Merge branch 'master' of github.com:Netflix/lemur into improving-cert-lookup-time

.pre-commit-config.yaml

@@ -8,3 +8,17 @@
     sha: v2.9.5
     hooks:
     -   id: jshint
+-   repo: https://github.com/ambv/black
+    rev: stable
+    hooks:
+    - id: black
+      language_version: python3.7
+
+-   repo: local
+    hooks:
+    -   id: python-bandit-vulnerability-check
+        name: bandit
+        entry: bandit
+        args: ['--ini', 'tox.ini', '-r', 'consoleme']
+        language: system
+        pass_filenames: false

lemur/__about__.py

@@ -1,12 +1,18 @@
 from __future__ import absolute_import, division, print_function
 
 __all__ = [
-    "__title__", "__summary__", "__uri__", "__version__", "__author__",
+    "__title__",
-    "__email__", "__license__", "__copyright__",
+    "__summary__",
+    "__uri__",
+    "__version__",
+    "__author__",
+    "__email__",
+    "__license__",
+    "__copyright__",
 ]
 
 __title__ = "lemur"
-__summary__ = ("Certificate management and orchestration service")
+__summary__ = "Certificate management and orchestration service"
 __uri__ = "https://github.com/Netflix/lemur"
 
 __version__ = "0.7.0"

lemur/__init__.py

@@ -32,14 +32,26 @@ from lemur.pending_certificates.views import mod as pending_certificates_bp
 from lemur.dns_providers.views import mod as dns_providers_bp
 
 from lemur.__about__ import (
-    __author__, __copyright__, __email__, __license__, __summary__, __title__,
+    __author__,
-    __uri__, __version__
+    __copyright__,
+    __email__,
+    __license__,
+    __summary__,
+    __title__,
+    __uri__,
+    __version__,
 )
 
 
 __all__ = [
-    "__title__", "__summary__", "__uri__", "__version__", "__author__",
+    "__title__",
-    "__email__", "__license__", "__copyright__",
+    "__summary__",
+    "__uri__",
+    "__version__",
+    "__author__",
+    "__email__",
+    "__license__",
+    "__copyright__",
 ]
 
 LEMUR_BLUEPRINTS = (
@@ -63,7 +75,9 @@ LEMUR_BLUEPRINTS = (
 
 
 def create_app(config_path=None):
-    app = factory.create_app(app_name=__name__, blueprints=LEMUR_BLUEPRINTS, config=config_path)
+    app = factory.create_app(
+        app_name=__name__, blueprints=LEMUR_BLUEPRINTS, config=config_path
+    )
     configure_hook(app)
     return app
 
@@ -93,7 +107,7 @@ def configure_hook(app):
     @app.after_request
     def after_request(response):
         # Return early if we don't have the start time
-        if not hasattr(g, 'request_start_time'):
+        if not hasattr(g, "request_start_time"):
             return response
 
         # Get elapsed time in milliseconds
@@ -102,12 +116,12 @@ def configure_hook(app):
 
         # Collect request/response tags
         tags = {
-            'endpoint': request.endpoint,
+            "endpoint": request.endpoint,
-            'request_method': request.method.lower(),
+            "request_method": request.method.lower(),
-            'status_code': response.status_code
+            "status_code": response.status_code,
         }
 
         # Record our response time metric
-        metrics.send('response_time', 'TIMER', elapsed, metric_tags=tags)
+        metrics.send("response_time", "TIMER", elapsed, metric_tags=tags)
-        metrics.send('status_code_{}'.format(response.status_code), 'counter', 1)
+        metrics.send("status_code_{}".format(response.status_code), "counter", 1)
         return response

lemur/api_keys/cli.py

@@ -14,23 +14,32 @@ from datetime import datetime
 manager = Manager(usage="Handles all api key related tasks.")
 
 
-@manager.option('-u', '--user-id', dest='uid', help='The User ID this access key belongs too.')
+@manager.option(
-@manager.option('-n', '--name', dest='name', help='The name of this API Key.')
+    "-u", "--user-id", dest="uid", help="The User ID this access key belongs too."
-@manager.option('-t', '--ttl', dest='ttl', help='The TTL of this API Key. -1 for forever.')
+)
+@manager.option("-n", "--name", dest="name", help="The name of this API Key.")
+@manager.option(
+    "-t", "--ttl", dest="ttl", help="The TTL of this API Key. -1 for forever."
+)
 def create(uid, name, ttl):
     """
     Create a new api key for a user.
     :return:
     """
     print("[+] Creating a new api key.")
-    key = api_key_service.create(user_id=uid, name=name,
+    key = api_key_service.create(
-        ttl=ttl, issued_at=int(datetime.utcnow().timestamp()), revoked=False)
+        user_id=uid,
+        name=name,
+        ttl=ttl,
+        issued_at=int(datetime.utcnow().timestamp()),
+        revoked=False,
+    )
     print("[+] Successfully created a new api key. Generating a JWT...")
     jwt = create_token(uid, key.id, key.ttl)
     print("[+] Your JWT is: {jwt}".format(jwt=jwt))
 
 
-@manager.option('-a', '--api-key-id', dest='aid', help='The API Key ID to revoke.')
+@manager.option("-a", "--api-key-id", dest="aid", help="The API Key ID to revoke.")
 def revoke(aid):
     """
     Revokes an api key for a user.

lemur/api_keys/models.py

@@ -12,14 +12,19 @@ from lemur.database import db
 
 
 class ApiKey(db.Model):
-    __tablename__ = 'api_keys'
+    __tablename__ = "api_keys"
     id = Column(Integer, primary_key=True)
     name = Column(String)
-    user_id = Column(Integer, ForeignKey('users.id'))
+    user_id = Column(Integer, ForeignKey("users.id"))
     ttl = Column(BigInteger)
     issued_at = Column(BigInteger)
     revoked = Column(Boolean)
 
     def __repr__(self):
         return "ApiKey(name={name}, user_id={user_id}, ttl={ttl}, issued_at={iat}, revoked={revoked})".format(
-            user_id=self.user_id, name=self.name, ttl=self.ttl, iat=self.issued_at, revoked=self.revoked)
+            user_id=self.user_id,
+            name=self.name,
+            ttl=self.ttl,
+            iat=self.issued_at,
+            revoked=self.revoked,
+        )

lemur/api_keys/schemas.py

@@ -13,12 +13,18 @@ from lemur.users.schemas import UserNestedOutputSchema, UserInputSchema
 
 
 def current_user_id():
-    return {'id': g.current_user.id, 'email': g.current_user.email, 'username': g.current_user.username}
+    return {
+        "id": g.current_user.id,
+        "email": g.current_user.email,
+        "username": g.current_user.username,
+    }
 
 
 class ApiKeyInputSchema(LemurInputSchema):
     name = fields.String(required=False)
-    user = fields.Nested(UserInputSchema, missing=current_user_id, default=current_user_id)
+    user = fields.Nested(
+        UserInputSchema, missing=current_user_id, default=current_user_id
+    )
     ttl = fields.Integer()
 
 

lemur/api_keys/service.py

@@ -34,7 +34,7 @@ def revoke(aid):
     :return:
     """
     api_key = get(aid)
-    setattr(api_key, 'revoked', False)
+    setattr(api_key, "revoked", False)
 
     return database.update(api_key)
 
@@ -80,10 +80,10 @@ def render(args):
     :return:
     """
     query = database.session_query(ApiKey)
-    user_id = args.pop('user_id', None)
+    user_id = args.pop("user_id", None)
-    aid = args.pop('id', None)
+    aid = args.pop("id", None)
-    has_permission = args.pop('has_permission', False)
+    has_permission = args.pop("has_permission", False)
-    requesting_user_id = args.pop('requesting_user_id')
+    requesting_user_id = args.pop("requesting_user_id")
 
     if user_id:
         query = query.filter(ApiKey.user_id == user_id)

lemur/api_keys/views.py

@@ -19,10 +19,16 @@ from lemur.auth.permissions import ApiKeyCreatorPermission
 from lemur.common.schema import validate_schema
 from lemur.common.utils import paginated_parser
 
-from lemur.api_keys.schemas import api_key_input_schema, api_key_revoke_schema, api_key_output_schema, \
+from lemur.api_keys.schemas import (
-    api_keys_output_schema, api_key_described_output_schema, user_api_key_input_schema
+    api_key_input_schema,
+    api_key_revoke_schema,
+    api_key_output_schema,
+    api_keys_output_schema,
+    api_key_described_output_schema,
+    user_api_key_input_schema,
+)
 
-mod = Blueprint('api_keys', __name__)
+mod = Blueprint("api_keys", __name__)
 api = Api(mod)
 
 
@@ -81,8 +87,8 @@ class ApiKeyList(AuthenticatedResource):
         """
         parser = paginated_parser.copy()
         args = parser.parse_args()
-        args['has_permission'] = ApiKeyCreatorPermission().can()
+        args["has_permission"] = ApiKeyCreatorPermission().can()
-        args['requesting_user_id'] = g.current_user.id
+        args["requesting_user_id"] = g.current_user.id
         return service.render(args)
 
     @validate_schema(api_key_input_schema, api_key_output_schema)
@@ -124,12 +130,26 @@ class ApiKeyList(AuthenticatedResource):
            :statuscode 403: unauthenticated
         """
         if not ApiKeyCreatorPermission().can():
-            if data['user']['id'] != g.current_user.id:
+            if data["user"]["id"] != g.current_user.id:
-                return dict(message="You are not authorized to create tokens for: {0}".format(data['user']['username'])), 403
+                return (
+                    dict(
+                        message="You are not authorized to create tokens for: {0}".format(
+                            data["user"]["username"]
+                        )
+                    ),
+                    403,
+                )
 
-        access_token = service.create(name=data['name'], user_id=data['user']['id'], ttl=data['ttl'],
+        access_token = service.create(
-                                      revoked=False, issued_at=int(datetime.utcnow().timestamp()))
+            name=data["name"],
-        return dict(jwt=create_token(access_token.user_id, access_token.id, access_token.ttl))
+            user_id=data["user"]["id"],
+            ttl=data["ttl"],
+            revoked=False,
+            issued_at=int(datetime.utcnow().timestamp()),
+        )
+        return dict(
+            jwt=create_token(access_token.user_id, access_token.id, access_token.ttl)
+        )
 
 
 class ApiKeyUserList(AuthenticatedResource):
@@ -186,9 +206,9 @@ class ApiKeyUserList(AuthenticatedResource):
         """
         parser = paginated_parser.copy()
         args = parser.parse_args()
-        args['has_permission'] = ApiKeyCreatorPermission().can()
+        args["has_permission"] = ApiKeyCreatorPermission().can()
-        args['requesting_user_id'] = g.current_user.id
+        args["requesting_user_id"] = g.current_user.id
-        args['user_id'] = user_id
+        args["user_id"] = user_id
         return service.render(args)
 
     @validate_schema(user_api_key_input_schema, api_key_output_schema)
@@ -230,11 +250,25 @@ class ApiKeyUserList(AuthenticatedResource):
         """
         if not ApiKeyCreatorPermission().can():
             if user_id != g.current_user.id:
-                return dict(message="You are not authorized to create tokens for: {0}".format(user_id)), 403
+                return (
+                    dict(
+                        message="You are not authorized to create tokens for: {0}".format(
+                            user_id
+                        )
+                    ),
+                    403,
+                )
 
-        access_token = service.create(name=data['name'], user_id=user_id, ttl=data['ttl'],
+        access_token = service.create(
-                                      revoked=False, issued_at=int(datetime.utcnow().timestamp()))
+            name=data["name"],
-        return dict(jwt=create_token(access_token.user_id, access_token.id, access_token.ttl))
+            user_id=user_id,
+            ttl=data["ttl"],
+            revoked=False,
+            issued_at=int(datetime.utcnow().timestamp()),
+        )
+        return dict(
+            jwt=create_token(access_token.user_id, access_token.id, access_token.ttl)
+        )
 
 
 class ApiKeys(AuthenticatedResource):
@@ -329,7 +363,9 @@ class ApiKeys(AuthenticatedResource):
             if not ApiKeyCreatorPermission().can():
                 return dict(message="You are not authorized to update this token!"), 403
 
-        service.update(access_key, name=data['name'], revoked=data['revoked'], ttl=data['ttl'])
+        service.update(
+            access_key, name=data["name"], revoked=data["revoked"], ttl=data["ttl"]
+        )
         return dict(jwt=create_token(access_key.user_id, access_key.id, access_key.ttl))
 
     def delete(self, aid):
@@ -371,7 +407,7 @@ class ApiKeys(AuthenticatedResource):
                 return dict(message="You are not authorized to delete this token!"), 403
 
         service.delete(access_key)
-        return {'result': True}
+        return {"result": True}
 
 
 class UserApiKeys(AuthenticatedResource):
@@ -472,7 +508,9 @@ class UserApiKeys(AuthenticatedResource):
         if access_key.user_id != uid:
             return dict(message="You are not authorized to update this token!"), 403
 
-        service.update(access_key, name=data['name'], revoked=data['revoked'], ttl=data['ttl'])
+        service.update(
+            access_key, name=data["name"], revoked=data["revoked"], ttl=data["ttl"]
+        )
         return dict(jwt=create_token(access_key.user_id, access_key.id, access_key.ttl))
 
     def delete(self, uid, aid):
@@ -517,7 +555,7 @@ class UserApiKeys(AuthenticatedResource):
             return dict(message="You are not authorized to delete this token!"), 403
 
         service.delete(access_key)
-        return {'result': True}
+        return {"result": True}
 
 
 class ApiKeysDescribed(AuthenticatedResource):
@@ -572,8 +610,12 @@ class ApiKeysDescribed(AuthenticatedResource):
         return access_key
 
 
-api.add_resource(ApiKeyList, '/keys', endpoint='api_keys')
+api.add_resource(ApiKeyList, "/keys", endpoint="api_keys")
-api.add_resource(ApiKeys, '/keys/<int:aid>', endpoint='api_key')
+api.add_resource(ApiKeys, "/keys/<int:aid>", endpoint="api_key")
-api.add_resource(ApiKeysDescribed, '/keys/<int:aid>/described', endpoint='api_key_described')
+api.add_resource(
-api.add_resource(ApiKeyUserList, '/users/<int:user_id>/keys', endpoint='user_api_keys')
+    ApiKeysDescribed, "/keys/<int:aid>/described", endpoint="api_key_described"
-api.add_resource(UserApiKeys, '/users/<int:uid>/keys/<int:aid>', endpoint='user_api_key')
+)
+api.add_resource(ApiKeyUserList, "/users/<int:user_id>/keys", endpoint="user_api_keys")
+api.add_resource(
+    UserApiKeys, "/users/<int:uid>/keys/<int:aid>", endpoint="user_api_key"
+)

lemur/auth/ldap.py

@@ -14,35 +14,41 @@ from lemur.roles import service as role_service
 from lemur.common.utils import validate_conf, get_psuedo_random_string
 
 
-class LdapPrincipal():
+class LdapPrincipal:
     """
     Provides methods for authenticating against an LDAP server.
     """
+
     def __init__(self, args):
         self._ldap_validate_conf()
         # setup ldap config
-        if not args['username']:
+        if not args["username"]:
             raise Exception("missing ldap username")
-        if not args['password']:
+        if not args["password"]:
             self.error_message = "missing ldap password"
             raise Exception("missing ldap password")
-        self.ldap_principal = args['username']
+        self.ldap_principal = args["username"]
         self.ldap_email_domain = current_app.config.get("LDAP_EMAIL_DOMAIN", None)
-        if '@' not in self.ldap_principal:
+        if "@" not in self.ldap_principal:
-            self.ldap_principal = '%s@%s' % (self.ldap_principal, self.ldap_email_domain)
+            self.ldap_principal = "%s@%s" % (
-        self.ldap_username = args['username']
+                self.ldap_principal,
-        if '@' in self.ldap_username:
+                self.ldap_email_domain,
-            self.ldap_username = args['username'].split("@")[0]
+            )
-        self.ldap_password = args['password']
+        self.ldap_username = args["username"]
-        self.ldap_server = current_app.config.get('LDAP_BIND_URI', None)
+        if "@" in self.ldap_username:
+            self.ldap_username = args["username"].split("@")[0]
+        self.ldap_password = args["password"]
+        self.ldap_server = current_app.config.get("LDAP_BIND_URI", None)
         self.ldap_base_dn = current_app.config.get("LDAP_BASE_DN", None)
         self.ldap_use_tls = current_app.config.get("LDAP_USE_TLS", False)
         self.ldap_cacert_file = current_app.config.get("LDAP_CACERT_FILE", None)
         self.ldap_default_role = current_app.config.get("LEMUR_DEFAULT_ROLE", None)
         self.ldap_required_group = current_app.config.get("LDAP_REQUIRED_GROUP", None)
         self.ldap_groups_to_roles = current_app.config.get("LDAP_GROUPS_TO_ROLES", None)
-        self.ldap_is_active_directory = current_app.config.get("LDAP_IS_ACTIVE_DIRECTORY", False)
+        self.ldap_is_active_directory = current_app.config.get(
-        self.ldap_attrs = ['memberOf']
+            "LDAP_IS_ACTIVE_DIRECTORY", False
+        )
+        self.ldap_attrs = ["memberOf"]
         self.ldap_client = None
         self.ldap_groups = None
 
@@ -60,8 +66,8 @@ class LdapPrincipal():
                 get_psuedo_random_string(),
                 self.ldap_principal,
                 True,
-                '',     # thumbnailPhotoUrl
+                "",  # thumbnailPhotoUrl
-                list(roles)
+                list(roles),
             )
         else:
             # we add 'lemur' specific roles, so they do not get marked as removed
@@ -76,7 +82,7 @@ class LdapPrincipal():
                 self.ldap_principal,
                 user.active,
                 user.profile_picture,
-                list(roles)
+                list(roles),
             )
         return user
 
@@ -105,9 +111,12 @@ class LdapPrincipal():
         # update their 'roles'
         role = role_service.get_by_name(self.ldap_principal)
         if not role:
-            description = "auto generated role based on owner: {0}".format(self.ldap_principal)
+            description = "auto generated role based on owner: {0}".format(
-            role = role_service.create(self.ldap_principal, description=description,
+                self.ldap_principal
-                third_party=True)
+            )
+            role = role_service.create(
+                self.ldap_principal, description=description, third_party=True
+            )
         if not role.third_party:
             role = role_service.set_third_party(role.id, third_party_status=True)
         roles.add(role)
@@ -118,9 +127,15 @@ class LdapPrincipal():
             role = role_service.get_by_name(role_name)
             if role:
                 if ldap_group_name in self.ldap_groups:
-                    current_app.logger.debug("assigning role {0} to ldap user {1}".format(self.ldap_principal, role))
+                    current_app.logger.debug(
+                        "assigning role {0} to ldap user {1}".format(
+                            self.ldap_principal, role
+                        )
+                    )
                     if not role.third_party:
-                        role = role_service.set_third_party(role.id, third_party_status=True)
+                        role = role_service.set_third_party(
+                            role.id, third_party_status=True
+                        )
                     roles.add(role)
         return roles
 
@@ -132,7 +147,7 @@ class LdapPrincipal():
         self._bind()
         roles = self._authorize()
         if not roles:
-            raise Exception('ldap authorization failed')
+            raise Exception("ldap authorization failed")
         return self._update_user(roles)
 
     def _bind(self):
@@ -141,9 +156,12 @@ class LdapPrincipal():
         list groups for a user.
         raise an exception on error.
         """
-        if '@' not in self.ldap_principal:
+        if "@" not in self.ldap_principal:
-            self.ldap_principal = '%s@%s' % (self.ldap_principal, self.ldap_email_domain)
+            self.ldap_principal = "%s@%s" % (
-        ldap_filter = 'userPrincipalName=%s' % self.ldap_principal
+                self.ldap_principal,
+                self.ldap_email_domain,
+            )
+        ldap_filter = "userPrincipalName=%s" % self.ldap_principal
 
         # query ldap for auth
         try:
@@ -159,37 +177,47 @@ class LdapPrincipal():
                 self.ldap_client.set_option(ldap.OPT_X_TLS_DEMAND, True)
                 self.ldap_client.set_option(ldap.OPT_DEBUG_LEVEL, 255)
             if self.ldap_cacert_file:
-                self.ldap_client.set_option(ldap.OPT_X_TLS_CACERTFILE, self.ldap_cacert_file)
+                self.ldap_client.set_option(
+                    ldap.OPT_X_TLS_CACERTFILE, self.ldap_cacert_file
+                )
             self.ldap_client.simple_bind_s(self.ldap_principal, self.ldap_password)
         except ldap.INVALID_CREDENTIALS:
             self.ldap_client.unbind()
-            raise Exception('The supplied ldap credentials are invalid')
+            raise Exception("The supplied ldap credentials are invalid")
         except ldap.SERVER_DOWN:
-            raise Exception('ldap server unavailable')
+            raise Exception("ldap server unavailable")
         except ldap.LDAPError as e:
             raise Exception("ldap error: {0}".format(e))
 
         if self.ldap_is_active_directory:
             # Lookup user DN, needed to search for group membership
-            userdn = self.ldap_client.search_s(self.ldap_base_dn,
+            userdn = self.ldap_client.search_s(
-                                               ldap.SCOPE_SUBTREE, ldap_filter,
+                self.ldap_base_dn,
-                                               ['distinguishedName'])[0][1]['distinguishedName'][0]
+                ldap.SCOPE_SUBTREE,
-            userdn = userdn.decode('utf-8')
+                ldap_filter,
+                ["distinguishedName"],
+            )[0][1]["distinguishedName"][0]
+            userdn = userdn.decode("utf-8")
             # Search all groups that have the userDN as a member
-            groupfilter = '(&(objectclass=group)(member:1.2.840.113556.1.4.1941:={0}))'.format(userdn)
+            groupfilter = "(&(objectclass=group)(member:1.2.840.113556.1.4.1941:={0}))".format(
-            lgroups = self.ldap_client.search_s(self.ldap_base_dn, ldap.SCOPE_SUBTREE, groupfilter, ['cn'])
+                userdn
+            )
+            lgroups = self.ldap_client.search_s(
+                self.ldap_base_dn, ldap.SCOPE_SUBTREE, groupfilter, ["cn"]
+            )
 
             # Create a list of group CN's from the result
             self.ldap_groups = []
             for group in lgroups:
                 (dn, values) = group
-                self.ldap_groups.append(values['cn'][0].decode('ascii'))
+                self.ldap_groups.append(values["cn"][0].decode("ascii"))
         else:
-            lgroups = self.ldap_client.search_s(self.ldap_base_dn,
+            lgroups = self.ldap_client.search_s(
-                                                ldap.SCOPE_SUBTREE, ldap_filter, self.ldap_attrs)[0][1]['memberOf']
+                self.ldap_base_dn, ldap.SCOPE_SUBTREE, ldap_filter, self.ldap_attrs
+            )[0][1]["memberOf"]
             # lgroups is a list of utf-8 encoded strings
             # convert to a single string of groups to allow matching
-            self.ldap_groups = b''.join(lgroups).decode('ascii')
+            self.ldap_groups = b"".join(lgroups).decode("ascii")
 
         self.ldap_client.unbind()
 
@@ -197,9 +225,5 @@ class LdapPrincipal():
         """
         Confirms required ldap config settings exist.
         """
-        required_vars = [
+        required_vars = ["LDAP_BIND_URI", "LDAP_BASE_DN", "LDAP_EMAIL_DOMAIN"]
-            'LDAP_BIND_URI',
-            'LDAP_BASE_DN',
-            'LDAP_EMAIL_DOMAIN',
-        ]
         validate_conf(current_app, required_vars)

lemur/auth/permissions.py

@@ -12,21 +12,21 @@ from collections import namedtuple
 from flask_principal import Permission, RoleNeed
 
 # Permissions
-operator_permission = Permission(RoleNeed('operator'))
+operator_permission = Permission(RoleNeed("operator"))
-admin_permission = Permission(RoleNeed('admin'))
+admin_permission = Permission(RoleNeed("admin"))
 
-CertificateOwner = namedtuple('certificate', ['method', 'value'])
+CertificateOwner = namedtuple("certificate", ["method", "value"])
-CertificateOwnerNeed = partial(CertificateOwner, 'role')
+CertificateOwnerNeed = partial(CertificateOwner, "role")
 
 
 class SensitiveDomainPermission(Permission):
     def __init__(self):
-        super(SensitiveDomainPermission, self).__init__(RoleNeed('admin'))
+        super(SensitiveDomainPermission, self).__init__(RoleNeed("admin"))
 
 
 class CertificatePermission(Permission):
     def __init__(self, owner, roles):
-        needs = [RoleNeed('admin'), RoleNeed(owner), RoleNeed('creator')]
+        needs = [RoleNeed("admin"), RoleNeed(owner), RoleNeed("creator")]
         for r in roles:
             needs.append(CertificateOwnerNeed(str(r)))
             # Backwards compatibility with mixed-case role names
@@ -38,29 +38,29 @@ class CertificatePermission(Permission):
 
 class ApiKeyCreatorPermission(Permission):
     def __init__(self):
-        super(ApiKeyCreatorPermission, self).__init__(RoleNeed('admin'))
+        super(ApiKeyCreatorPermission, self).__init__(RoleNeed("admin"))
 
 
-RoleMember = namedtuple('role', ['method', 'value'])
+RoleMember = namedtuple("role", ["method", "value"])
-RoleMemberNeed = partial(RoleMember, 'member')
+RoleMemberNeed = partial(RoleMember, "member")
 
 
 class RoleMemberPermission(Permission):
     def __init__(self, role_id):
-        needs = [RoleNeed('admin'), RoleMemberNeed(role_id)]
+        needs = [RoleNeed("admin"), RoleMemberNeed(role_id)]
         super(RoleMemberPermission, self).__init__(*needs)
 
 
-AuthorityCreator = namedtuple('authority', ['method', 'value'])
+AuthorityCreator = namedtuple("authority", ["method", "value"])
-AuthorityCreatorNeed = partial(AuthorityCreator, 'authorityUse')
+AuthorityCreatorNeed = partial(AuthorityCreator, "authorityUse")
 
-AuthorityOwner = namedtuple('authority', ['method', 'value'])
+AuthorityOwner = namedtuple("authority", ["method", "value"])
-AuthorityOwnerNeed = partial(AuthorityOwner, 'role')
+AuthorityOwnerNeed = partial(AuthorityOwner, "role")
 
 
 class AuthorityPermission(Permission):
     def __init__(self, authority_id, roles):
-        needs = [RoleNeed('admin'), AuthorityCreatorNeed(str(authority_id))]
+        needs = [RoleNeed("admin"), AuthorityCreatorNeed(str(authority_id))]
         for r in roles:
             needs.append(AuthorityOwnerNeed(str(r)))
 

lemur/auth/service.py

@@ -39,13 +39,13 @@ def get_rsa_public_key(n, e):
     :param e:
     :return: a RSA Public Key in PEM format
     """
-    n = int(binascii.hexlify(jwt.utils.base64url_decode(bytes(n, 'utf-8'))), 16)
+    n = int(binascii.hexlify(jwt.utils.base64url_decode(bytes(n, "utf-8"))), 16)
-    e = int(binascii.hexlify(jwt.utils.base64url_decode(bytes(e, 'utf-8'))), 16)
+    e = int(binascii.hexlify(jwt.utils.base64url_decode(bytes(e, "utf-8"))), 16)
 
     pub = RSAPublicNumbers(e, n).public_key(default_backend())
     return pub.public_bytes(
         encoding=serialization.Encoding.PEM,
-        format=serialization.PublicFormat.SubjectPublicKeyInfo
+        format=serialization.PublicFormat.SubjectPublicKeyInfo,
     )
 
 
@@ -57,28 +57,27 @@ def create_token(user, aid=None, ttl=None):
     :param user:
     :return:
     """
-    expiration_delta = timedelta(days=int(current_app.config.get('LEMUR_TOKEN_EXPIRATION', 1)))
+    expiration_delta = timedelta(
-    payload = {
+        days=int(current_app.config.get("LEMUR_TOKEN_EXPIRATION", 1))
-        'iat': datetime.utcnow(),
+    )
-        'exp': datetime.utcnow() + expiration_delta
+    payload = {"iat": datetime.utcnow(), "exp": datetime.utcnow() + expiration_delta}
-    }
 
     # Handle Just a User ID & User Object.
     if isinstance(user, int):
-        payload['sub'] = user
+        payload["sub"] = user
     else:
-        payload['sub'] = user.id
+        payload["sub"] = user.id
     if aid is not None:
-        payload['aid'] = aid
+        payload["aid"] = aid
     # Custom TTLs are only supported on Access Keys.
     if ttl is not None and aid is not None:
         # Tokens that are forever until revoked.
         if ttl == -1:
-            del payload['exp']
+            del payload["exp"]
         else:
-            payload['exp'] = ttl
+            payload["exp"] = ttl
-    token = jwt.encode(payload, current_app.config['LEMUR_TOKEN_SECRET'])
+    token = jwt.encode(payload, current_app.config["LEMUR_TOKEN_SECRET"])
-    return token.decode('unicode_escape')
+    return token.decode("unicode_escape")
 
 
 def login_required(f):
@@ -88,49 +87,54 @@ def login_required(f):
     :param f:
     :return:
     """
+
     @wraps(f)
     def decorated_function(*args, **kwargs):
-        if not request.headers.get('Authorization'):
+        if not request.headers.get("Authorization"):
-            response = jsonify(message='Missing authorization header')
+            response = jsonify(message="Missing authorization header")
             response.status_code = 401
             return response
 
         try:
-            token = request.headers.get('Authorization').split()[1]
+            token = request.headers.get("Authorization").split()[1]
         except Exception as e:
-            return dict(message='Token is invalid'), 403
+            return dict(message="Token is invalid"), 403
 
         try:
-            payload = jwt.decode(token, current_app.config['LEMUR_TOKEN_SECRET'])
+            payload = jwt.decode(token, current_app.config["LEMUR_TOKEN_SECRET"])
         except jwt.DecodeError:
-            return dict(message='Token is invalid'), 403
+            return dict(message="Token is invalid"), 403
         except jwt.ExpiredSignatureError:
-            return dict(message='Token has expired'), 403
+            return dict(message="Token has expired"), 403
         except jwt.InvalidTokenError:
-            return dict(message='Token is invalid'), 403
+            return dict(message="Token is invalid"), 403
 
-        if 'aid' in payload:
+        if "aid" in payload:
-            access_key = api_key_service.get(payload['aid'])
+            access_key = api_key_service.get(payload["aid"])
             if access_key.revoked:
-                return dict(message='Token has been revoked'), 403
+                return dict(message="Token has been revoked"), 403
             if access_key.ttl != -1:
                 current_time = datetime.utcnow()
-                expired_time = datetime.fromtimestamp(access_key.issued_at + access_key.ttl)
+                expired_time = datetime.fromtimestamp(
+                    access_key.issued_at + access_key.ttl
+                )
                 if current_time >= expired_time:
-                    return dict(message='Token has expired'), 403
+                    return dict(message="Token has expired"), 403
 
-        user = user_service.get(payload['sub'])
+        user = user_service.get(payload["sub"])
 
         if not user.active:
-            return dict(message='User is not currently active'), 403
+            return dict(message="User is not currently active"), 403
 
         g.current_user = user
 
         if not g.current_user:
-            return dict(message='You are not logged in'), 403
+            return dict(message="You are not logged in"), 403
 
         # Tell Flask-Principal the identity changed
-        identity_changed.send(current_app._get_current_object(), identity=Identity(g.current_user.id))
+        identity_changed.send(
+            current_app._get_current_object(), identity=Identity(g.current_user.id)
+        )
 
         return f(*args, **kwargs)
 
@@ -144,18 +148,18 @@ def fetch_token_header(token):
     :param token:
     :return: :raise jwt.DecodeError:
     """
-    token = token.encode('utf-8')
+    token = token.encode("utf-8")
     try:
-        signing_input, crypto_segment = token.rsplit(b'.', 1)
+        signing_input, crypto_segment = token.rsplit(b".", 1)
-        header_segment, payload_segment = signing_input.split(b'.', 1)
+        header_segment, payload_segment = signing_input.split(b".", 1)
     except ValueError:
-        raise jwt.DecodeError('Not enough segments')
+        raise jwt.DecodeError("Not enough segments")
 
     try:
-        return json.loads(jwt.utils.base64url_decode(header_segment).decode('utf-8'))
+        return json.loads(jwt.utils.base64url_decode(header_segment).decode("utf-8"))
     except TypeError as e:
         current_app.logger.exception(e)
-        raise jwt.DecodeError('Invalid header padding')
+        raise jwt.DecodeError("Invalid header padding")
 
 
 @identity_loaded.connect
@@ -174,13 +178,13 @@ def on_identity_loaded(sender, identity):
     identity.provides.add(UserNeed(identity.id))
 
     # identity with the roles that the user provides
-    if hasattr(user, 'roles'):
+    if hasattr(user, "roles"):
         for role in user.roles:
             identity.provides.add(RoleNeed(role.name))
             identity.provides.add(RoleMemberNeed(role.id))
 
     # apply ownership for authorities
-    if hasattr(user, 'authorities'):
+    if hasattr(user, "authorities"):
         for authority in user.authorities:
             identity.provides.add(AuthorityCreatorNeed(authority.id))
 
@@ -191,6 +195,7 @@ class AuthenticatedResource(Resource):
     """
     Inherited by all resources that need to be protected by authentication.
     """
+
     method_decorators = [login_required]
 
     def __init__(self):

lemur/auth/views.py

@@ -24,11 +24,13 @@ from lemur.auth.service import create_token, fetch_token_header, get_rsa_public_
 from lemur.auth import ldap
 
 
-mod = Blueprint('auth', __name__)
+mod = Blueprint("auth", __name__)
 api = Api(mod)
 
 
-def exchange_for_access_token(code, redirect_uri, client_id, secret, access_token_url=None, verify_cert=True):
+def exchange_for_access_token(
+    code, redirect_uri, client_id, secret, access_token_url=None, verify_cert=True
+):
     """
     Exchanges authorization code for access token.
 
@@ -43,28 +45,32 @@ def exchange_for_access_token(code, redirect_uri, client_id, secret, access_toke
     """
     # take the information we have received from the provider to create a new request
     params = {
-        'grant_type': 'authorization_code',
+        "grant_type": "authorization_code",
-        'scope': 'openid email profile address',
+        "scope": "openid email profile address",
-        'code': code,
+        "code": code,
-        'redirect_uri': redirect_uri,
+        "redirect_uri": redirect_uri,
-        'client_id': client_id
+        "client_id": client_id,
     }
 
     # the secret and cliendId will be given to you when you signup for the provider
-    token = '{0}:{1}'.format(client_id, secret)
+    token = "{0}:{1}".format(client_id, secret)
 
-    basic = base64.b64encode(bytes(token, 'utf-8'))
+    basic = base64.b64encode(bytes(token, "utf-8"))
     headers = {
-        'Content-Type': 'application/x-www-form-urlencoded',
+        "Content-Type": "application/x-www-form-urlencoded",
-        'authorization': 'basic {0}'.format(basic.decode('utf-8'))
+        "authorization": "basic {0}".format(basic.decode("utf-8")),
     }
 
     # exchange authorization code for access token.
-    r = requests.post(access_token_url, headers=headers, params=params, verify=verify_cert)
+    r = requests.post(
+        access_token_url, headers=headers, params=params, verify=verify_cert
+    )
     if r.status_code == 400:
-        r = requests.post(access_token_url, headers=headers, data=params, verify=verify_cert)
+        r = requests.post(
-    id_token = r.json()['id_token']
+            access_token_url, headers=headers, data=params, verify=verify_cert
-    access_token = r.json()['access_token']
+        )
+    id_token = r.json()["id_token"]
+    access_token = r.json()["access_token"]
 
     return id_token, access_token
 
@@ -83,23 +89,25 @@ def validate_id_token(id_token, client_id, jwks_url):
 
     # retrieve the key material as specified by the token header
     r = requests.get(jwks_url)
-    for key in r.json()['keys']:
+    for key in r.json()["keys"]:
-        if key['kid'] == header_data['kid']:
+        if key["kid"] == header_data["kid"]:
-            secret = get_rsa_public_key(key['n'], key['e'])
+            secret = get_rsa_public_key(key["n"], key["e"])
-            algo = header_data['alg']
+            algo = header_data["alg"]
             break
     else:
-        return dict(message='Key not found'), 401
+        return dict(message="Key not found"), 401
 
     # validate your token based on the key it was signed with
     try:
-        jwt.decode(id_token, secret.decode('utf-8'), algorithms=[algo], audience=client_id)
+        jwt.decode(
+            id_token, secret.decode("utf-8"), algorithms=[algo], audience=client_id
+        )
     except jwt.DecodeError:
-        return dict(message='Token is invalid'), 401
+        return dict(message="Token is invalid"), 401
     except jwt.ExpiredSignatureError:
-        return dict(message='Token has expired'), 401
+        return dict(message="Token has expired"), 401
     except jwt.InvalidTokenError:
-        return dict(message='Token is invalid'), 401
+        return dict(message="Token is invalid"), 401
 
 
 def retrieve_user(user_api_url, access_token):
@@ -110,22 +118,18 @@ def retrieve_user(user_api_url, access_token):
     :param access_token:
     :return:
     """
-    user_params = dict(access_token=access_token, schema='profile')
+    user_params = dict(access_token=access_token, schema="profile")
 
     headers = {}
 
-    if current_app.config.get('PING_INCLUDE_BEARER_TOKEN'):
+    if current_app.config.get("PING_INCLUDE_BEARER_TOKEN"):
-        headers = {'Authorization': f'Bearer {access_token}'}
+        headers = {"Authorization": f"Bearer {access_token}"}
 
     # retrieve information about the current user.
-    r = requests.get(
+    r = requests.get(user_api_url, params=user_params, headers=headers)
-        user_api_url,
-        params=user_params,
-        headers=headers,
-    )
     profile = r.json()
 
-    user = user_service.get_by_email(profile['email'])
+    user = user_service.get_by_email(profile["email"])
     return user, profile
 
 
@@ -138,31 +142,44 @@ def create_user_roles(profile):
     roles = []
 
     # update their google 'roles'
-    if 'googleGroups' in profile:
+    if "googleGroups" in profile:
-        for group in profile['googleGroups']:
+        for group in profile["googleGroups"]:
             role = role_service.get_by_name(group)
             if not role:
-                role = role_service.create(group, description='This is a google group based role created by Lemur', third_party=True)
+                role = role_service.create(
+                    group,
+                    description="This is a google group based role created by Lemur",
+                    third_party=True,
+                )
             if not role.third_party:
                 role = role_service.set_third_party(role.id, third_party_status=True)
             roles.append(role)
     else:
-        current_app.logger.warning("'googleGroups' not sent by identity provider, no specific roles will assigned to the user.")
+        current_app.logger.warning(
+            "'googleGroups' not sent by identity provider, no specific roles will assigned to the user."
+        )
 
-    role = role_service.get_by_name(profile['email'])
+    role = role_service.get_by_name(profile["email"])
 
     if not role:
-        role = role_service.create(profile['email'], description='This is a user specific role', third_party=True)
+        role = role_service.create(
+            profile["email"],
+            description="This is a user specific role",
+            third_party=True,
+        )
     if not role.third_party:
         role = role_service.set_third_party(role.id, third_party_status=True)
 
     roles.append(role)
 
     # every user is an operator (tied to a default role)
-    if current_app.config.get('LEMUR_DEFAULT_ROLE'):
+    if current_app.config.get("LEMUR_DEFAULT_ROLE"):
-        default = role_service.get_by_name(current_app.config['LEMUR_DEFAULT_ROLE'])
+        default = role_service.get_by_name(current_app.config["LEMUR_DEFAULT_ROLE"])
         if not default:
-            default = role_service.create(current_app.config['LEMUR_DEFAULT_ROLE'], description='This is the default Lemur role.')
+            default = role_service.create(
+                current_app.config["LEMUR_DEFAULT_ROLE"],
+                description="This is the default Lemur role.",
+            )
         if not default.third_party:
             role_service.set_third_party(default.id, third_party_status=True)
         roles.append(default)
@@ -181,12 +198,12 @@ def update_user(user, profile, roles):
     # if we get an sso user create them an account
     if not user:
         user = user_service.create(
-            profile['email'],
+            profile["email"],
             get_psuedo_random_string(),
-            profile['email'],
+            profile["email"],
             True,
-            profile.get('thumbnailPhotoUrl'),
+            profile.get("thumbnailPhotoUrl"),
-            roles
+            roles,
         )
 
     else:
@@ -198,11 +215,11 @@ def update_user(user, profile, roles):
         # update any changes to the user
         user_service.update(
             user.id,
-            profile['email'],
+            profile["email"],
-            profile['email'],
+            profile["email"],
             True,
-            profile.get('thumbnailPhotoUrl'),  # profile isn't google+ enabled
+            profile.get("thumbnailPhotoUrl"),  # profile isn't google+ enabled
-            roles
+            roles,
         )
 
 
@@ -223,6 +240,7 @@ class Login(Resource):
     on your uses cases but. It is important to not that there is currently no build in method to revoke a users token \
     and force re-authentication.
     """
+
     def __init__(self):
         self.reqparse = reqparse.RequestParser()
         super(Login, self).__init__()
@@ -263,23 +281,26 @@ class Login(Resource):
            :statuscode 401: invalid credentials
            :statuscode 200: no error
         """
-        self.reqparse.add_argument('username', type=str, required=True, location='json')
+        self.reqparse.add_argument("username", type=str, required=True, location="json")
-        self.reqparse.add_argument('password', type=str, required=True, location='json')
+        self.reqparse.add_argument("password", type=str, required=True, location="json")
 
         args = self.reqparse.parse_args()
 
-        if '@' in args['username']:
+        if "@" in args["username"]:
-            user = user_service.get_by_email(args['username'])
+            user = user_service.get_by_email(args["username"])
         else:
-            user = user_service.get_by_username(args['username'])
+            user = user_service.get_by_username(args["username"])
 
         # default to local authentication
-        if user and user.check_password(args['password']) and user.active:
+        if user and user.check_password(args["password"]) and user.active:
             # Tell Flask-Principal the identity changed
-            identity_changed.send(current_app._get_current_object(),
+            identity_changed.send(
-                                  identity=Identity(user.id))
+                current_app._get_current_object(), identity=Identity(user.id)
+            )
 
-            metrics.send('login', 'counter', 1, metric_tags={'status': SUCCESS_METRIC_STATUS})
+            metrics.send(
+                "login", "counter", 1, metric_tags={"status": SUCCESS_METRIC_STATUS}
+            )
             return dict(token=create_token(user))
 
         # try ldap login
@@ -289,19 +310,29 @@ class Login(Resource):
                 user = ldap_principal.authenticate()
                 if user and user.active:
                     # Tell Flask-Principal the identity changed
-                    identity_changed.send(current_app._get_current_object(),
+                    identity_changed.send(
-                                  identity=Identity(user.id))
+                        current_app._get_current_object(), identity=Identity(user.id)
-                    metrics.send('login', 'counter', 1, metric_tags={'status': SUCCESS_METRIC_STATUS})
+                    )
+                    metrics.send(
+                        "login",
+                        "counter",
+                        1,
+                        metric_tags={"status": SUCCESS_METRIC_STATUS},
+                    )
                     return dict(token=create_token(user))
             except Exception as e:
                 current_app.logger.error("ldap error: {0}".format(e))
-                    ldap_message = 'ldap error: %s' % e
+                ldap_message = "ldap error: %s" % e
-                    metrics.send('login', 'counter', 1, metric_tags={'status': FAILURE_METRIC_STATUS})
+                metrics.send(
+                    "login", "counter", 1, metric_tags={"status": FAILURE_METRIC_STATUS}
+                )
                 return dict(message=ldap_message), 403
 
         # if not valid user - no certificates for you
-        metrics.send('login', 'counter', 1, metric_tags={'status': FAILURE_METRIC_STATUS})
+        metrics.send(
-        return dict(message='The supplied credentials are invalid'), 403
+            "login", "counter", 1, metric_tags={"status": FAILURE_METRIC_STATUS}
+        )
+        return dict(message="The supplied credentials are invalid"), 403
 
 
 class Ping(Resource):
@@ -314,36 +345,39 @@ class Ping(Resource):
     provider uses for its callbacks.
     2. Add or change the Lemur AngularJS Configuration to point to your new provider
     """
+
     def __init__(self):
         self.reqparse = reqparse.RequestParser()
         super(Ping, self).__init__()
 
     def get(self):
-        return 'Redirecting...'
+        return "Redirecting..."
 
     def post(self):
-        self.reqparse.add_argument('clientId', type=str, required=True, location='json')
+        self.reqparse.add_argument("clientId", type=str, required=True, location="json")
-        self.reqparse.add_argument('redirectUri', type=str, required=True, location='json')
+        self.reqparse.add_argument(
-        self.reqparse.add_argument('code', type=str, required=True, location='json')
+            "redirectUri", type=str, required=True, location="json"
+        )
+        self.reqparse.add_argument("code", type=str, required=True, location="json")
 
         args = self.reqparse.parse_args()
 
         # you can either discover these dynamically or simply configure them
-        access_token_url = current_app.config.get('PING_ACCESS_TOKEN_URL')
+        access_token_url = current_app.config.get("PING_ACCESS_TOKEN_URL")
-        user_api_url = current_app.config.get('PING_USER_API_URL')
+        user_api_url = current_app.config.get("PING_USER_API_URL")
 
-        secret = current_app.config.get('PING_SECRET')
+        secret = current_app.config.get("PING_SECRET")
 
         id_token, access_token = exchange_for_access_token(
-            args['code'],
+            args["code"],
-            args['redirectUri'],
+            args["redirectUri"],
-            args['clientId'],
+            args["clientId"],
             secret,
-            access_token_url=access_token_url
+            access_token_url=access_token_url,
         )
 
-        jwks_url = current_app.config.get('PING_JWKS_URL')
+        jwks_url = current_app.config.get("PING_JWKS_URL")
-        error_code = validate_id_token(id_token, args['clientId'], jwks_url)
+        error_code = validate_id_token(id_token, args["clientId"], jwks_url)
         if error_code:
             return error_code
         user, profile = retrieve_user(user_api_url, access_token)
@@ -351,13 +385,19 @@ class Ping(Resource):
         update_user(user, profile, roles)
 
         if not user or not user.active:
-            metrics.send('login', 'counter', 1, metric_tags={'status': FAILURE_METRIC_STATUS})
+            metrics.send(
-            return dict(message='The supplied credentials are invalid'), 403
+                "login", "counter", 1, metric_tags={"status": FAILURE_METRIC_STATUS}
+            )
+            return dict(message="The supplied credentials are invalid"), 403
 
         # Tell Flask-Principal the identity changed
-        identity_changed.send(current_app._get_current_object(), identity=Identity(user.id))
+        identity_changed.send(
+            current_app._get_current_object(), identity=Identity(user.id)
+        )
 
-        metrics.send('login', 'counter', 1, metric_tags={'status': SUCCESS_METRIC_STATUS})
+        metrics.send(
+            "login", "counter", 1, metric_tags={"status": SUCCESS_METRIC_STATUS}
+        )
         return dict(token=create_token(user))
 
 
@@ -367,33 +407,35 @@ class OAuth2(Resource):
         super(OAuth2, self).__init__()
 
     def get(self):
-        return 'Redirecting...'
+        return "Redirecting..."
 
     def post(self):
-        self.reqparse.add_argument('clientId', type=str, required=True, location='json')
+        self.reqparse.add_argument("clientId", type=str, required=True, location="json")
-        self.reqparse.add_argument('redirectUri', type=str, required=True, location='json')
+        self.reqparse.add_argument(
-        self.reqparse.add_argument('code', type=str, required=True, location='json')
+            "redirectUri", type=str, required=True, location="json"
+        )
+        self.reqparse.add_argument("code", type=str, required=True, location="json")
 
         args = self.reqparse.parse_args()
 
         # you can either discover these dynamically or simply configure them
-        access_token_url = current_app.config.get('OAUTH2_ACCESS_TOKEN_URL')
+        access_token_url = current_app.config.get("OAUTH2_ACCESS_TOKEN_URL")
-        user_api_url = current_app.config.get('OAUTH2_USER_API_URL')
+        user_api_url = current_app.config.get("OAUTH2_USER_API_URL")
-        verify_cert = current_app.config.get('OAUTH2_VERIFY_CERT')
+        verify_cert = current_app.config.get("OAUTH2_VERIFY_CERT")
 
-        secret = current_app.config.get('OAUTH2_SECRET')
+        secret = current_app.config.get("OAUTH2_SECRET")
 
         id_token, access_token = exchange_for_access_token(
-            args['code'],
+            args["code"],
-            args['redirectUri'],
+            args["redirectUri"],
-            args['clientId'],
+            args["clientId"],
             secret,
             access_token_url=access_token_url,
-            verify_cert=verify_cert
+            verify_cert=verify_cert,
         )
 
-        jwks_url = current_app.config.get('PING_JWKS_URL')
+        jwks_url = current_app.config.get("PING_JWKS_URL")
-        error_code = validate_id_token(id_token, args['clientId'], jwks_url)
+        error_code = validate_id_token(id_token, args["clientId"], jwks_url)
         if error_code:
             return error_code
 
@@ -402,13 +444,19 @@ class OAuth2(Resource):
         update_user(user, profile, roles)
 
         if not user.active:
-            metrics.send('login', 'counter', 1, metric_tags={'status': FAILURE_METRIC_STATUS})
+            metrics.send(
-            return dict(message='The supplied credentials are invalid'), 403
+                "login", "counter", 1, metric_tags={"status": FAILURE_METRIC_STATUS}
+            )
+            return dict(message="The supplied credentials are invalid"), 403
 
         # Tell Flask-Principal the identity changed
-        identity_changed.send(current_app._get_current_object(), identity=Identity(user.id))
+        identity_changed.send(
+            current_app._get_current_object(), identity=Identity(user.id)
+        )
 
-        metrics.send('login', 'counter', 1, metric_tags={'status': SUCCESS_METRIC_STATUS})
+        metrics.send(
+            "login", "counter", 1, metric_tags={"status": SUCCESS_METRIC_STATUS}
+        )
 
         return dict(token=create_token(user))
 
@@ -419,44 +467,52 @@ class Google(Resource):
         super(Google, self).__init__()
 
     def post(self):
-        access_token_url = 'https://accounts.google.com/o/oauth2/token'
+        access_token_url = "https://accounts.google.com/o/oauth2/token"
-        people_api_url = 'https://www.googleapis.com/plus/v1/people/me/openIdConnect'
+        people_api_url = "https://www.googleapis.com/plus/v1/people/me/openIdConnect"
 
-        self.reqparse.add_argument('clientId', type=str, required=True, location='json')
+        self.reqparse.add_argument("clientId", type=str, required=True, location="json")
-        self.reqparse.add_argument('redirectUri', type=str, required=True, location='json')
+        self.reqparse.add_argument(
-        self.reqparse.add_argument('code', type=str, required=True, location='json')
+            "redirectUri", type=str, required=True, location="json"
+        )
+        self.reqparse.add_argument("code", type=str, required=True, location="json")
 
         args = self.reqparse.parse_args()
 
         # Step 1. Exchange authorization code for access token
         payload = {
-            'client_id': args['clientId'],
+            "client_id": args["clientId"],
-            'grant_type': 'authorization_code',
+            "grant_type": "authorization_code",
-            'redirect_uri': args['redirectUri'],
+            "redirect_uri": args["redirectUri"],
-            'code': args['code'],
+            "code": args["code"],
-            'client_secret': current_app.config.get('GOOGLE_SECRET')
+            "client_secret": current_app.config.get("GOOGLE_SECRET"),
         }
 
         r = requests.post(access_token_url, data=payload)
         token = r.json()
 
         # Step 2. Retrieve information about the current user
-        headers = {'Authorization': 'Bearer {0}'.format(token['access_token'])}
+        headers = {"Authorization": "Bearer {0}".format(token["access_token"])}
 
         r = requests.get(people_api_url, headers=headers)
         profile = r.json()
 
-        user = user_service.get_by_email(profile['email'])
+        user = user_service.get_by_email(profile["email"])
 
         if not (user and user.active):
-            metrics.send('login', 'counter', 1, metric_tags={'status': FAILURE_METRIC_STATUS})
+            metrics.send(
-            return dict(message='The supplied credentials are invalid.'), 403
+                "login", "counter", 1, metric_tags={"status": FAILURE_METRIC_STATUS}
+            )
+            return dict(message="The supplied credentials are invalid."), 403
 
         if user:
-            metrics.send('login', 'counter', 1, metric_tags={'status': SUCCESS_METRIC_STATUS})
+            metrics.send(
+                "login", "counter", 1, metric_tags={"status": SUCCESS_METRIC_STATUS}
+            )
             return dict(token=create_token(user))
 
-        metrics.send('login', 'counter', 1, metric_tags={'status': FAILURE_METRIC_STATUS})
+        metrics.send(
+            "login", "counter", 1, metric_tags={"status": FAILURE_METRIC_STATUS}
+        )
 
 
 class Providers(Resource):
@@ -467,47 +523,57 @@ class Providers(Resource):
             provider = provider.lower()
 
             if provider == "google":
-                active_providers.append({
+                active_providers.append(
-                    'name': 'google',
+                    {
-                    'clientId': current_app.config.get("GOOGLE_CLIENT_ID"),
+                        "name": "google",
-                    'url': api.url_for(Google)
+                        "clientId": current_app.config.get("GOOGLE_CLIENT_ID"),
-                })
+                        "url": api.url_for(Google),
+                    }
+                )
 
             elif provider == "ping":
-                active_providers.append({
+                active_providers.append(
-                    'name': current_app.config.get("PING_NAME"),
+                    {
-                    'url': current_app.config.get('PING_REDIRECT_URI'),
+                        "name": current_app.config.get("PING_NAME"),
-                    'redirectUri': current_app.config.get("PING_REDIRECT_URI"),
+                        "url": current_app.config.get("PING_REDIRECT_URI"),
-                    'clientId': current_app.config.get("PING_CLIENT_ID"),
+                        "redirectUri": current_app.config.get("PING_REDIRECT_URI"),
-                    'responseType': 'code',
+                        "clientId": current_app.config.get("PING_CLIENT_ID"),
-                    'scope': ['openid', 'email', 'profile', 'address'],
+                        "responseType": "code",
-                    'scopeDelimiter': ' ',
+                        "scope": ["openid", "email", "profile", "address"],
-                    'authorizationEndpoint': current_app.config.get("PING_AUTH_ENDPOINT"),
+                        "scopeDelimiter": " ",
-                    'requiredUrlParams': ['scope'],
+                        "authorizationEndpoint": current_app.config.get(
-                    'type': '2.0'
+                            "PING_AUTH_ENDPOINT"
-                })
+                        ),
+                        "requiredUrlParams": ["scope"],
+                        "type": "2.0",
+                    }
+                )
 
             elif provider == "oauth2":
-                active_providers.append({
+                active_providers.append(
-                    'name': current_app.config.get("OAUTH2_NAME"),
+                    {
-                    'url': current_app.config.get('OAUTH2_REDIRECT_URI'),
+                        "name": current_app.config.get("OAUTH2_NAME"),
-                    'redirectUri': current_app.config.get("OAUTH2_REDIRECT_URI"),
+                        "url": current_app.config.get("OAUTH2_REDIRECT_URI"),
-                    'clientId': current_app.config.get("OAUTH2_CLIENT_ID"),
+                        "redirectUri": current_app.config.get("OAUTH2_REDIRECT_URI"),
-                    'responseType': 'code',
+                        "clientId": current_app.config.get("OAUTH2_CLIENT_ID"),
-                    'scope': ['openid', 'email', 'profile', 'groups'],
+                        "responseType": "code",
-                    'scopeDelimiter': ' ',
+                        "scope": ["openid", "email", "profile", "groups"],
-                    'authorizationEndpoint': current_app.config.get("OAUTH2_AUTH_ENDPOINT"),
+                        "scopeDelimiter": " ",
-                    'requiredUrlParams': ['scope', 'state', 'nonce'],
+                        "authorizationEndpoint": current_app.config.get(
-                    'state': 'STATE',
+                            "OAUTH2_AUTH_ENDPOINT"
-                    'nonce': get_psuedo_random_string(),
+                        ),
-                    'type': '2.0'
+                        "requiredUrlParams": ["scope", "state", "nonce"],
-                })
+                        "state": "STATE",
+                        "nonce": get_psuedo_random_string(),
+                        "type": "2.0",
+                    }
+                )
 
         return active_providers
 
 
-api.add_resource(Login, '/auth/login', endpoint='login')
+api.add_resource(Login, "/auth/login", endpoint="login")
-api.add_resource(Ping, '/auth/ping', endpoint='ping')
+api.add_resource(Ping, "/auth/ping", endpoint="ping")
-api.add_resource(Google, '/auth/google', endpoint='google')
+api.add_resource(Google, "/auth/google", endpoint="google")
-api.add_resource(OAuth2, '/auth/oauth2', endpoint='oauth2')
+api.add_resource(OAuth2, "/auth/oauth2", endpoint="oauth2")
-api.add_resource(Providers, '/auth/providers', endpoint='providers')
+api.add_resource(Providers, "/auth/providers", endpoint="providers")

lemur/authorities/models.py

@@ -7,7 +7,17 @@
 .. moduleauthor:: Kevin Glisson <kglisson@netflix.com>
 """
 from sqlalchemy.orm import relationship
-from sqlalchemy import Column, Integer, String, Text, func, ForeignKey, DateTime, PassiveDefault, Boolean
+from sqlalchemy import (
+    Column,
+    Integer,
+    String,
+    Text,
+    func,
+    ForeignKey,
+    DateTime,
+    PassiveDefault,
+    Boolean,
+)
 from sqlalchemy.dialects.postgresql import JSON
 
 from lemur.database import db
@@ -16,7 +26,7 @@ from lemur.models import roles_authorities
 
 
 class Authority(db.Model):
-    __tablename__ = 'authorities'
+    __tablename__ = "authorities"
     id = Column(Integer, primary_key=True)
     owner = Column(String(128), nullable=False)
     name = Column(String(128), unique=True)
@@ -27,22 +37,44 @@ class Authority(db.Model):
     description = Column(Text)
     options = Column(JSON)
     date_created = Column(DateTime, PassiveDefault(func.now()), nullable=False)
-    roles = relationship('Role', secondary=roles_authorities, passive_deletes=True, backref=db.backref('authority'), lazy='dynamic')
+    roles = relationship(
-    user_id = Column(Integer, ForeignKey('users.id'))
+        "Role",
-    authority_certificate = relationship("Certificate", backref='root_authority', uselist=False, foreign_keys='Certificate.root_authority_id')
+        secondary=roles_authorities,
-    certificates = relationship("Certificate", backref='authority', foreign_keys='Certificate.authority_id')
+        passive_deletes=True,
+        backref=db.backref("authority"),
+        lazy="dynamic",
+    )
+    user_id = Column(Integer, ForeignKey("users.id"))
+    authority_certificate = relationship(
+        "Certificate",
+        backref="root_authority",
+        uselist=False,
+        foreign_keys="Certificate.root_authority_id",
+    )
+    certificates = relationship(
+        "Certificate", backref="authority", foreign_keys="Certificate.authority_id"
+    )
 
-    authority_pending_certificate = relationship("PendingCertificate", backref='root_authority', uselist=False, foreign_keys='PendingCertificate.root_authority_id')
+    authority_pending_certificate = relationship(
-    pending_certificates = relationship('PendingCertificate', backref='authority', foreign_keys='PendingCertificate.authority_id')
+        "PendingCertificate",
+        backref="root_authority",
+        uselist=False,
+        foreign_keys="PendingCertificate.root_authority_id",
+    )
+    pending_certificates = relationship(
+        "PendingCertificate",
+        backref="authority",
+        foreign_keys="PendingCertificate.authority_id",
+    )
 
     def __init__(self, **kwargs):
-        self.owner = kwargs['owner']
+        self.owner = kwargs["owner"]
-        self.roles = kwargs.get('roles', [])
+        self.roles = kwargs.get("roles", [])
-        self.name = kwargs.get('name')
+        self.name = kwargs.get("name")
-        self.description = kwargs.get('description')
+        self.description = kwargs.get("description")
-        self.authority_certificate = kwargs['authority_certificate']
+        self.authority_certificate = kwargs["authority_certificate"]
-        self.plugin_name = kwargs['plugin']['slug']
+        self.plugin_name = kwargs["plugin"]["slug"]
-        self.options = kwargs.get('options')
+        self.options = kwargs.get("options")
 
     @property
     def plugin(self):

lemur/authorities/schemas.py

@@ -11,7 +11,13 @@ from marshmallow import fields, validates_schema, pre_load
 from marshmallow import validate
 from marshmallow.exceptions import ValidationError
 
-from lemur.schemas import PluginInputSchema, PluginOutputSchema, ExtensionSchema, AssociatedAuthoritySchema, AssociatedRoleSchema
+from lemur.schemas import (
+    PluginInputSchema,
+    PluginOutputSchema,
+    ExtensionSchema,
+    AssociatedAuthoritySchema,
+    AssociatedRoleSchema,
+)
 from lemur.users.schemas import UserNestedOutputSchema
 from lemur.common.schema import LemurInputSchema, LemurOutputSchema
 from lemur.common import validators, missing
@@ -30,21 +36,36 @@ class AuthorityInputSchema(LemurInputSchema):
     validity_years = fields.Integer()
 
     # certificate body fields
-    organizational_unit = fields.String(missing=lambda: current_app.config.get('LEMUR_DEFAULT_ORGANIZATIONAL_UNIT'))
+    organizational_unit = fields.String(
-    organization = fields.String(missing=lambda: current_app.config.get('LEMUR_DEFAULT_ORGANIZATION'))
+        missing=lambda: current_app.config.get("LEMUR_DEFAULT_ORGANIZATIONAL_UNIT")
-    location = fields.String(missing=lambda: current_app.config.get('LEMUR_DEFAULT_LOCATION'))
+    )
-    country = fields.String(missing=lambda: current_app.config.get('LEMUR_DEFAULT_COUNTRY'))
+    organization = fields.String(
-    state = fields.String(missing=lambda: current_app.config.get('LEMUR_DEFAULT_STATE'))
+        missing=lambda: current_app.config.get("LEMUR_DEFAULT_ORGANIZATION")
+    )
+    location = fields.String(
+        missing=lambda: current_app.config.get("LEMUR_DEFAULT_LOCATION")
+    )
+    country = fields.String(
+        missing=lambda: current_app.config.get("LEMUR_DEFAULT_COUNTRY")
+    )
+    state = fields.String(missing=lambda: current_app.config.get("LEMUR_DEFAULT_STATE"))
 
     plugin = fields.Nested(PluginInputSchema)
 
     # signing related options
-    type = fields.String(validate=validate.OneOf(['root', 'subca']), missing='root')
+    type = fields.String(validate=validate.OneOf(["root", "subca"]), missing="root")
     parent = fields.Nested(AssociatedAuthoritySchema)
-    signing_algorithm = fields.String(validate=validate.OneOf(['sha256WithRSA', 'sha1WithRSA']), missing='sha256WithRSA')
+    signing_algorithm = fields.String(
-    key_type = fields.String(validate=validate.OneOf(['RSA2048', 'RSA4096']), missing='RSA2048')
+        validate=validate.OneOf(["sha256WithRSA", "sha1WithRSA"]),
+        missing="sha256WithRSA",
+    )
+    key_type = fields.String(
+        validate=validate.OneOf(["RSA2048", "RSA4096"]), missing="RSA2048"
+    )
     key_name = fields.String()
-    sensitivity = fields.String(validate=validate.OneOf(['medium', 'high']), missing='medium')
+    sensitivity = fields.String(
+        validate=validate.OneOf(["medium", "high"]), missing="medium"
+    )
     serial_number = fields.Integer()
     first_serial = fields.Integer(missing=1)
 
@@ -58,9 +79,11 @@ class AuthorityInputSchema(LemurInputSchema):
 
     @validates_schema
     def validate_subca(self, data):
-        if data['type'] == 'subca':
+        if data["type"] == "subca":
-            if not data.get('parent'):
+            if not data.get("parent"):
-                raise ValidationError("If generating a subca, parent 'authority' must be specified.")
+                raise ValidationError(
+                    "If generating a subca, parent 'authority' must be specified."
+                )
 
     @pre_load
     def ensure_dates(self, data):

lemur/authorities/service.py

@@ -43,7 +43,7 @@ def mint(**kwargs):
     """
     Creates the authority based on the plugin provided.
     """
-    issuer = kwargs['plugin']['plugin_object']
+    issuer = kwargs["plugin"]["plugin_object"]
     values = issuer.create_authority(kwargs)
 
     # support older plugins
@@ -53,7 +53,12 @@ def mint(**kwargs):
     elif len(values) == 4:
         body, private_key, chain, roles = values
 
-    roles = create_authority_roles(roles, kwargs['owner'], kwargs['plugin']['plugin_object'].title, kwargs['creator'])
+    roles = create_authority_roles(
+        roles,
+        kwargs["owner"],
+        kwargs["plugin"]["plugin_object"].title,
+        kwargs["creator"],
+    )
     return body, private_key, chain, roles
 
 
@@ -66,16 +71,17 @@ def create_authority_roles(roles, owner, plugin_title, creator):
     """
     role_objs = []
     for r in roles:
-        role = role_service.get_by_name(r['name'])
+        role = role_service.get_by_name(r["name"])
         if not role:
             role = role_service.create(
-                r['name'],
+                r["name"],
-                password=r['password'],
+                password=r["password"],
                 description="Auto generated role for {0}".format(plugin_title),
-                username=r['username'])
+                username=r["username"],
+            )
 
         # the user creating the authority should be able to administer it
-        if role.username == 'admin':
+        if role.username == "admin":
             creator.roles.append(role)
 
         role_objs.append(role)
@@ -84,8 +90,7 @@ def create_authority_roles(roles, owner, plugin_title, creator):
     owner_role = role_service.get_by_name(owner)
     if not owner_role:
         owner_role = role_service.create(
-            owner,
+            owner, description="Auto generated role based on owner: {0}".format(owner)
-            description="Auto generated role based on owner: {0}".format(owner)
         )
 
     role_objs.append(owner_role)
@@ -98,27 +103,29 @@ def create(**kwargs):
     """
     body, private_key, chain, roles = mint(**kwargs)
 
-    kwargs['creator'].roles = list(set(list(kwargs['creator'].roles) + roles))
+    kwargs["creator"].roles = list(set(list(kwargs["creator"].roles) + roles))
 
-    kwargs['body'] = body
+    kwargs["body"] = body
-    kwargs['private_key'] = private_key
+    kwargs["private_key"] = private_key
-    kwargs['chain'] = chain
+    kwargs["chain"] = chain
 
-    if kwargs.get('roles'):
+    if kwargs.get("roles"):
-        kwargs['roles'] += roles
+        kwargs["roles"] += roles
     else:
-        kwargs['roles'] = roles
+        kwargs["roles"] = roles
 
     cert = upload(**kwargs)
-    kwargs['authority_certificate'] = cert
+    kwargs["authority_certificate"] = cert
-    if kwargs.get('plugin', {}).get('plugin_options', []):
+    if kwargs.get("plugin", {}).get("plugin_options", []):
-        kwargs['options'] = json.dumps(kwargs['plugin']['plugin_options'])
+        kwargs["options"] = json.dumps(kwargs["plugin"]["plugin_options"])
 
     authority = Authority(**kwargs)
     authority = database.create(authority)
-    kwargs['creator'].authorities.append(authority)
+    kwargs["creator"].authorities.append(authority)
 
-    metrics.send('authority_created', 'counter', 1, metric_tags=dict(owner=authority.owner))
+    metrics.send(
+        "authority_created", "counter", 1, metric_tags=dict(owner=authority.owner)
+    )
     return authority
 
 
@@ -150,7 +157,7 @@ def get_by_name(authority_name):
     :param authority_name:
     :return:
     """
-    return database.get(Authority, authority_name, field='name')
+    return database.get(Authority, authority_name, field="name")
 
 
 def get_authority_role(ca_name, creator=None):
@@ -173,29 +180,31 @@ def render(args):
     :return:
     """
     query = database.session_query(Authority)
-    filt = args.pop('filter')
+    filt = args.pop("filter")
 
     if filt:
-        terms = filt.split(';')
+        terms = filt.split(";")
-        if 'active' in filt:
+        if "active" in filt:
             query = query.filter(Authority.active == truthiness(terms[1]))
-        elif 'cn' in filt:
+        elif "cn" in filt:
-            term = '%{0}%'.format(terms[1])
+            term = "%{0}%".format(terms[1])
-            sub_query = database.session_query(Certificate.root_authority_id) \
+            sub_query = (
-                .filter(Certificate.cn.ilike(term)) \
+                database.session_query(Certificate.root_authority_id)
+                .filter(Certificate.cn.ilike(term))
                 .subquery()
+            )
 
             query = query.filter(Authority.id.in_(sub_query))
         else:
             query = database.filter(query, Authority, terms)
 
     # we make sure that a user can only use an authority they either own are a member of - admins can see all
-    if not args['user'].is_admin:
+    if not args["user"].is_admin:
         authority_ids = []
-        for authority in args['user'].authorities:
+        for authority in args["user"].authorities:
             authority_ids.append(authority.id)
 
-        for role in args['user'].roles:
+        for role in args["user"].roles:
             for authority in role.authorities:
                 authority_ids.append(authority.id)
         query = query.filter(Authority.id.in_(authority_ids))

lemur/authorities/views.py

@@ -16,15 +16,21 @@ from lemur.auth.permissions import AuthorityPermission
 from lemur.certificates import service as certificate_service
 
 from lemur.authorities import service
-from lemur.authorities.schemas import authority_input_schema, authority_output_schema, authorities_output_schema, authority_update_schema
+from lemur.authorities.schemas import (
+    authority_input_schema,
+    authority_output_schema,
+    authorities_output_schema,
+    authority_update_schema,
+)
 
 
-mod = Blueprint('authorities', __name__)
+mod = Blueprint("authorities", __name__)
 api = Api(mod)
 
 
 class AuthoritiesList(AuthenticatedResource):
     """ Defines the 'authorities' endpoint """
+
     def __init__(self):
         self.reqparse = reqparse.RequestParser()
         super(AuthoritiesList, self).__init__()
@@ -107,7 +113,7 @@ class AuthoritiesList(AuthenticatedResource):
         """
         parser = paginated_parser.copy()
         args = parser.parse_args()
-        args['user'] = g.current_user
+        args["user"] = g.current_user
         return service.render(args)
 
     @validate_schema(authority_input_schema, authority_output_schema)
@@ -220,7 +226,7 @@ class AuthoritiesList(AuthenticatedResource):
            :statuscode 403: unauthenticated
            :statuscode 200: no error
         """
-        data['creator'] = g.current_user
+        data["creator"] = g.current_user
         return service.create(**data)
 
 
@@ -388,7 +394,7 @@ class Authorities(AuthenticatedResource):
         authority = service.get(authority_id)
 
         if not authority:
-            return dict(message='Not Found'), 404
+            return dict(message="Not Found"), 404
 
         # all the authority role members should be allowed
         roles = [x.name for x in authority.roles]
@@ -397,10 +403,10 @@ class Authorities(AuthenticatedResource):
         if permission.can():
             return service.update(
                 authority_id,
-                owner=data['owner'],
+                owner=data["owner"],
-                description=data['description'],
+                description=data["description"],
-                active=data['active'],
+                active=data["active"],
-                roles=data['roles']
+                roles=data["roles"],
             )
 
         return dict(message="You are not authorized to update this authority."), 403
@@ -505,10 +511,21 @@ class AuthorityVisualizations(AuthenticatedResource):
         ]}
         """
         authority = service.get(authority_id)
-        return dict(name=authority.name, children=[{"name": c.name} for c in authority.certificates])
+        return dict(
+            name=authority.name,
+            children=[{"name": c.name} for c in authority.certificates],
+        )
 
 
-api.add_resource(AuthoritiesList, '/authorities', endpoint='authorities')
+api.add_resource(AuthoritiesList, "/authorities", endpoint="authorities")
-api.add_resource(Authorities, '/authorities/<int:authority_id>', endpoint='authority')
+api.add_resource(Authorities, "/authorities/<int:authority_id>", endpoint="authority")
-api.add_resource(AuthorityVisualizations, '/authorities/<int:authority_id>/visualize', endpoint='authority_visualizations')
+api.add_resource(
-api.add_resource(CertificateAuthority, '/certificates/<int:certificate_id>/authority', endpoint='certificateAuthority')
+    AuthorityVisualizations,
+    "/authorities/<int:authority_id>/visualize",
+    endpoint="authority_visualizations",
+)
+api.add_resource(
+    CertificateAuthority,
+    "/certificates/<int:certificate_id>/authority",
+    endpoint="certificateAuthority",
+)

lemur/authorizations/models.py

@@ -13,7 +13,7 @@ from lemur.plugins.base import plugins
 
 
 class Authorization(db.Model):
-    __tablename__ = 'pending_dns_authorizations'
+    __tablename__ = "pending_dns_authorizations"
     id = Column(Integer, primary_key=True, autoincrement=True)
     account_number = Column(String(128))
     domains = Column(JSONType)

lemur/certificates/cli.py

@@ -34,7 +34,7 @@ from lemur.certificates.service import (
     get_all_pending_reissue,
     get_by_name,
     get_all_certs,
-    get
+    get,
 )
 
 from lemur.certificates.verify import verify_string
@@ -56,11 +56,14 @@ def print_certificate_details(details):
         "\t[+] Authority: {authority_name}\n"
         "\t[+] Validity Start: {validity_start}\n"
         "\t[+] Validity End: {validity_end}\n".format(
-            common_name=details['commonName'],
+            common_name=details["commonName"],
-            sans=",".join(x['value'] for x in details['extensions']['subAltNames']['names']) or None,
+            sans=",".join(
-            authority_name=details['authority']['name'],
+                x["value"] for x in details["extensions"]["subAltNames"]["names"]
-            validity_start=details['validityStart'],
+            )
-            validity_end=details['validityEnd']
+            or None,
+            authority_name=details["authority"]["name"],
+            validity_start=details["validityStart"],
+            validity_end=details["validityEnd"],
         )
     )
 
@@ -120,13 +123,11 @@ def request_rotation(endpoint, certificate, message, commit):
         except Exception as e:
             print(
                 "[!] Failed to rotate endpoint {0} to certificate {1} reason: {2}".format(
-                    endpoint.name,
+                    endpoint.name, certificate.name, e
-                    certificate.name,
-                    e
                 )
             )
 
-    metrics.send('endpoint_rotation', 'counter', 1, metric_tags={'status': status})
+    metrics.send("endpoint_rotation", "counter", 1, metric_tags={"status": status})
 
 
 def request_reissue(certificate, commit):
@@ -154,17 +155,52 @@ def request_reissue(certificate, commit):
 
     except Exception as e:
         sentry.captureException(extra={"certificate_name": str(certificate.name)})
-        current_app.logger.exception(f"Error reissuing certificate: {certificate.name}", exc_info=True)
+        current_app.logger.exception(
+            f"Error reissuing certificate: {certificate.name}", exc_info=True
+        )
         print(f"[!] Failed to reissue certificate: {certificate.name}. Reason: {e}")
 
-    metrics.send('certificate_reissue', 'counter', 1, metric_tags={'status': status, 'certificate': certificate.name})
+    metrics.send(
+        "certificate_reissue",
+        "counter",
+        1,
+        metric_tags={"status": status, "certificate": certificate.name},
+    )
 
 
-@manager.option('-e', '--endpoint', dest='endpoint_name', help='Name of the endpoint you wish to rotate.')
+@manager.option(
-@manager.option('-n', '--new-certificate', dest='new_certificate_name', help='Name of the certificate you wish to rotate to.')
+    "-e",
-@manager.option('-o', '--old-certificate', dest='old_certificate_name', help='Name of the certificate you wish to rotate.')
+    "--endpoint",
-@manager.option('-a', '--notify', dest='message', action='store_true', help='Send a rotation notification to the certificates owner.')
+    dest="endpoint_name",
-@manager.option('-c', '--commit', dest='commit', action='store_true', default=False, help='Persist changes.')
+    help="Name of the endpoint you wish to rotate.",
+)
+@manager.option(
+    "-n",
+    "--new-certificate",
+    dest="new_certificate_name",
+    help="Name of the certificate you wish to rotate to.",
+)
+@manager.option(
+    "-o",
+    "--old-certificate",
+    dest="old_certificate_name",
+    help="Name of the certificate you wish to rotate.",
+)
+@manager.option(
+    "-a",
+    "--notify",
+    dest="message",
+    action="store_true",
+    help="Send a rotation notification to the certificates owner.",
+)
+@manager.option(
+    "-c",
+    "--commit",
+    dest="commit",
+    action="store_true",
+    default=False,
+    help="Persist changes.",
+)
 def rotate(endpoint_name, new_certificate_name, old_certificate_name, message, commit):
     """
     Rotates an endpoint and reissues it if it has not already been replaced. If it has
@@ -183,7 +219,9 @@ def rotate(endpoint_name, new_certificate_name, old_certificate_name, message, c
         endpoint = validate_endpoint(endpoint_name)
 
         if endpoint and new_cert:
-            print(f"[+] Rotating endpoint: {endpoint.name} to certificate {new_cert.name}")
+            print(
+                f"[+] Rotating endpoint: {endpoint.name} to certificate {new_cert.name}"
+            )
             request_rotation(endpoint, new_cert, message, commit)
 
         elif old_cert and new_cert:
@@ -197,16 +235,27 @@ def rotate(endpoint_name, new_certificate_name, old_certificate_name, message, c
             print("[+] Rotating all endpoints that have new certificates available")
             for endpoint in endpoint_service.get_all_pending_rotation():
                 if len(endpoint.certificate.replaced) == 1:
-                    print(f"[+] Rotating {endpoint.name} to {endpoint.certificate.replaced[0].name}")
+                    print(
-                    request_rotation(endpoint, endpoint.certificate.replaced[0], message, commit)
+                        f"[+] Rotating {endpoint.name} to {endpoint.certificate.replaced[0].name}"
+                    )
+                    request_rotation(
+                        endpoint, endpoint.certificate.replaced[0], message, commit
+                    )
                 else:
-                    metrics.send('endpoint_rotation', 'counter', 1, metric_tags={
+                    metrics.send(
-                        'status': FAILURE_METRIC_STATUS,
+                        "endpoint_rotation",
+                        "counter",
+                        1,
+                        metric_tags={
+                            "status": FAILURE_METRIC_STATUS,
                             "old_certificate_name": str(old_cert),
-                        "new_certificate_name": str(endpoint.certificate.replaced[0].name),
+                            "new_certificate_name": str(
+                                endpoint.certificate.replaced[0].name
+                            ),
                             "endpoint_name": str(endpoint.name),
                             "message": str(message),
-                    })
+                        },
+                    )
                     print(
                         f"[!] Failed to rotate endpoint {endpoint.name} reason: "
                         "Multiple replacement certificates found."
@@ -222,20 +271,38 @@ def rotate(endpoint_name, new_certificate_name, old_certificate_name, message, c
                 "new_certificate_name": str(new_certificate_name),
                 "endpoint_name": str(endpoint_name),
                 "message": str(message),
-            })
+            }
+        )
 
-    metrics.send('endpoint_rotation_job', 'counter', 1, metric_tags={
+    metrics.send(
+        "endpoint_rotation_job",
+        "counter",
+        1,
+        metric_tags={
             "status": status,
             "old_certificate_name": str(old_certificate_name),
             "new_certificate_name": str(new_certificate_name),
             "endpoint_name": str(endpoint_name),
             "message": str(message),
-        "endpoint": str(globals().get("endpoint"))
+            "endpoint": str(globals().get("endpoint")),
-    })
+        },
+    )
 
 
-@manager.option('-o', '--old-certificate', dest='old_certificate_name', help='Name of the certificate you wish to reissue.')
+@manager.option(
-@manager.option('-c', '--commit', dest='commit', action='store_true', default=False, help='Persist changes.')
+    "-o",
+    "--old-certificate",
+    dest="old_certificate_name",
+    help="Name of the certificate you wish to reissue.",
+)
+@manager.option(
+    "-c",
+    "--commit",
+    dest="commit",
+    action="store_true",
+    default=False,
+    help="Persist changes.",
+)
 def reissue(old_certificate_name, commit):
     """
     Reissues certificate with the same parameters as it was originally issued with.
@@ -263,76 +330,94 @@ def reissue(old_certificate_name, commit):
     except Exception as e:
         sentry.captureException()
         current_app.logger.exception("Error reissuing certificate.", exc_info=True)
-        print(
+        print("[!] Failed to reissue certificates. Reason: {}".format(e))
-            "[!] Failed to reissue certificates. Reason: {}".format(
+
-                e
+    metrics.send(
-            )
+        "certificate_reissue_job", "counter", 1, metric_tags={"status": status}
     )
 
-    metrics.send('certificate_reissue_job', 'counter', 1, metric_tags={'status': status})
 
-
+@manager.option(
-@manager.option('-f', '--fqdns', dest='fqdns', help='FQDNs to query. Multiple fqdns specified via comma.')
+    "-f",
-@manager.option('-i', '--issuer', dest='issuer', help='Issuer to query for.')
+    "--fqdns",
-@manager.option('-o', '--owner', dest='owner', help='Owner to query for.')
+    dest="fqdns",
-@manager.option('-e', '--expired', dest='expired', type=bool, default=False, help='Include expired certificates.')
+    help="FQDNs to query. Multiple fqdns specified via comma.",
+)
+@manager.option("-i", "--issuer", dest="issuer", help="Issuer to query for.")
+@manager.option("-o", "--owner", dest="owner", help="Owner to query for.")
+@manager.option(
+    "-e",
+    "--expired",
+    dest="expired",
+    type=bool,
+    default=False,
+    help="Include expired certificates.",
+)
 def query(fqdns, issuer, owner, expired):
     """Prints certificates that match the query params."""
     table = []
 
     q = database.session_query(Certificate)
     if issuer:
-        sub_query = database.session_query(Authority.id) \
+        sub_query = (
-            .filter(Authority.name.ilike('%{0}%'.format(issuer))) \
+            database.session_query(Authority.id)
+            .filter(Authority.name.ilike("%{0}%".format(issuer)))
             .subquery()
+        )
 
         q = q.filter(
             or_(
-                Certificate.issuer.ilike('%{0}%'.format(issuer)),
+                Certificate.issuer.ilike("%{0}%".format(issuer)),
-                Certificate.authority_id.in_(sub_query)
+                Certificate.authority_id.in_(sub_query),
             )
         )
     if owner:
-        q = q.filter(Certificate.owner.ilike('%{0}%'.format(owner)))
+        q = q.filter(Certificate.owner.ilike("%{0}%".format(owner)))
 
     if not expired:
         q = q.filter(Certificate.expired == False)  # noqa
 
     if fqdns:
-        for f in fqdns.split(','):
+        for f in fqdns.split(","):
             q = q.filter(
                 or_(
-                    Certificate.cn.ilike('%{0}%'.format(f)),
+                    Certificate.cn.ilike("%{0}%".format(f)),
-                    Certificate.domains.any(Domain.name.ilike('%{0}%'.format(f)))
+                    Certificate.domains.any(Domain.name.ilike("%{0}%".format(f))),
                 )
             )
 
     for c in q.all():
         table.append([c.id, c.name, c.owner, c.issuer])
 
-    print(tabulate(table, headers=['Id', 'Name', 'Owner', 'Issuer'], tablefmt='csv'))
+    print(tabulate(table, headers=["Id", "Name", "Owner", "Issuer"], tablefmt="csv"))
 
 
 def worker(data, commit, reason):
-    parts = [x for x in data.split(' ') if x]
+    parts = [x for x in data.split(" ") if x]
     try:
         cert = get(int(parts[0].strip()))
         plugin = plugins.get(cert.authority.plugin_name)
 
-        print('[+] Revoking certificate. Id: {0} Name: {1}'.format(cert.id, cert.name))
+        print("[+] Revoking certificate. Id: {0} Name: {1}".format(cert.id, cert.name))
         if commit:
             plugin.revoke_certificate(cert, reason)
 
-        metrics.send('certificate_revoke', 'counter', 1, metric_tags={'status': SUCCESS_METRIC_STATUS})
+        metrics.send(
+            "certificate_revoke",
+            "counter",
+            1,
+            metric_tags={"status": SUCCESS_METRIC_STATUS},
+        )
 
     except Exception as e:
         sentry.captureException()
-        metrics.send('certificate_revoke', 'counter', 1, metric_tags={'status': FAILURE_METRIC_STATUS})
+        metrics.send(
-        print(
+            "certificate_revoke",
-            "[!] Failed to revoke certificates. Reason: {}".format(
+            "counter",
-                e
+            1,
-            )
+            metric_tags={"status": FAILURE_METRIC_STATUS},
         )
+        print("[!] Failed to revoke certificates. Reason: {}".format(e))
 
 
 @manager.command
@@ -341,13 +426,22 @@ def clear_pending():
     Function clears all pending certificates.
     :return:
     """
-    v = plugins.get('verisign-issuer')
+    v = plugins.get("verisign-issuer")
     v.clear_pending_certificates()
 
 
-@manager.option('-p', '--path', dest='path', help='Absolute file path to a Lemur query csv.')
+@manager.option(
-@manager.option('-r', '--reason', dest='reason', help='Reason to revoke certificate.')
+    "-p", "--path", dest="path", help="Absolute file path to a Lemur query csv."
-@manager.option('-c', '--commit', dest='commit', action='store_true', default=False, help='Persist changes.')
+)
+@manager.option("-r", "--reason", dest="reason", help="Reason to revoke certificate.")
+@manager.option(
+    "-c",
+    "--commit",
+    dest="commit",
+    action="store_true",
+    default=False,
+    help="Persist changes.",
+)
 def revoke(path, reason, commit):
     """
     Revokes given certificate.
@@ -357,7 +451,7 @@ def revoke(path, reason, commit):
 
     print("[+] Starting certificate revocation.")
 
-    with open(path, 'r') as f:
+    with open(path, "r") as f:
         args = [[x, commit, reason] for x in f.readlines()[2:]]
 
     with multiprocessing.Pool(processes=3) as pool:
@@ -380,11 +474,11 @@ def check_revoked():
             else:
                 status = verify_string(cert.body, "")
 
-            cert.status = 'valid' if status else 'revoked'
+            cert.status = "valid" if status else "revoked"
 
         except Exception as e:
             sentry.captureException()
             current_app.logger.exception(e)
-            cert.status = 'unknown'
+            cert.status = "unknown"
 
         database.update(cert)

lemur/certificates/hooks.py

@@ -12,21 +12,30 @@ import subprocess
 
 from flask import current_app
 
-from lemur.certificates.service import csr_created, csr_imported, certificate_issued, certificate_imported
+from lemur.certificates.service import (
+    csr_created,
+    csr_imported,
+    certificate_issued,
+    certificate_imported,
+)
 
 
 def csr_dump_handler(sender, csr, **kwargs):
     try:
-        subprocess.run(['openssl', 'req', '-text', '-noout', '-reqopt', 'no_sigdump,no_pubkey'],
+        subprocess.run(
-                       input=csr.encode('utf8'))
+            ["openssl", "req", "-text", "-noout", "-reqopt", "no_sigdump,no_pubkey"],
+            input=csr.encode("utf8"),
+        )
     except Exception as err:
         current_app.logger.warning("Error inspecting CSR: %s", err)
 
 
 def cert_dump_handler(sender, certificate, **kwargs):
     try:
-        subprocess.run(['openssl', 'x509', '-text', '-noout', '-certopt', 'no_sigdump,no_pubkey'],
+        subprocess.run(
-                       input=certificate.body.encode('utf8'))
+            ["openssl", "x509", "-text", "-noout", "-certopt", "no_sigdump,no_pubkey"],
+            input=certificate.body.encode("utf8"),
+        )
     except Exception as err:
         current_app.logger.warning("Error inspecting certificate: %s", err)
 

lemur/certificates/models.py

@@ -12,7 +12,18 @@ from cryptography import x509
 from cryptography.hazmat.primitives.asymmetric import rsa
 from flask import current_app
 from idna.core import InvalidCodepoint
-from sqlalchemy import event, Integer, ForeignKey, String, PassiveDefault, func, Column, Text, Boolean, Index
+from sqlalchemy import (
+    event,
+    Integer,
+    ForeignKey,
+    String,
+    PassiveDefault,
+    func,
+    Column,
+    Text,
+    Boolean,
+    Index,
+)
 from sqlalchemy.ext.hybrid import hybrid_property
 from sqlalchemy.orm import relationship
 from sqlalchemy.sql.expression import case, extract
@@ -25,19 +36,25 @@ from lemur.database import db
 from lemur.domains.models import Domain
 from lemur.extensions import metrics
 from lemur.extensions import sentry
-from lemur.models import certificate_associations, certificate_source_associations, \
+from lemur.models import (
-    certificate_destination_associations, certificate_notification_associations, \
+    certificate_associations,
-    certificate_replacement_associations, roles_certificates, pending_cert_replacement_associations
+    certificate_source_associations,
+    certificate_destination_associations,
+    certificate_notification_associations,
+    certificate_replacement_associations,
+    roles_certificates,
+    pending_cert_replacement_associations,
+)
 from lemur.plugins.base import plugins
 from lemur.policies.models import RotationPolicy
 from lemur.utils import Vault
 
 
 def get_sequence(name):
-    if '-' not in name:
+    if "-" not in name:
         return name, None
 
-    parts = name.split('-')
+    parts = name.split("-")
 
     # see if we have an int at the end of our name
     try:
@@ -49,22 +66,26 @@ def get_sequence(name):
     if len(parts[-1]) == 8:
         return name, None
 
-    root = '-'.join(parts[:-1])
+    root = "-".join(parts[:-1])
     return root, seq
 
 
 def get_or_increase_name(name, serial):
-    certificates = Certificate.query.filter(Certificate.name.ilike('{0}%'.format(name))).all()
+    certificates = Certificate.query.filter(Certificate.name == name).all()
 
     if not certificates:
         return name
 
-    serial_name = '{0}-{1}'.format(name, hex(int(serial))[2:].upper())
+    serial_name = "{0}-{1}".format(name, hex(int(serial))[2:].upper())
-    certificates = Certificate.query.filter(Certificate.name.ilike('{0}%'.format(serial_name))).all()
+    certificates = Certificate.query.filter(Certificate.name == serial_name).all()
 
     if not certificates:
         return serial_name
 
+    certificates = Certificate.query.filter(
+        Certificate.name.ilike("{0}%".format(serial_name))
+    ).all()
+
     ends = [0]
     root, end = get_sequence(serial_name)
     for cert in certificates:
@@ -72,21 +93,29 @@ def get_or_increase_name(name, serial):
         if end:
             ends.append(end)
 
-    return '{0}-{1}'.format(root, max(ends) + 1)
+    return "{0}-{1}".format(root, max(ends) + 1)
 
 
 class Certificate(db.Model):
-    __tablename__ = 'certificates'
+    __tablename__ = "certificates"
     __table_args__ = (
-        Index('ix_certificates_cn', "cn",
+        Index(
+            "ix_certificates_cn",
+            "cn",
             postgresql_ops={"cn": "gin_trgm_ops"},
-              postgresql_using='gin'),
+            postgresql_using="gin",
-        Index('ix_certificates_name', "name",
+        ),
+        Index(
+            "ix_certificates_name",
+            "name",
             postgresql_ops={"name": "gin_trgm_ops"},
-              postgresql_using='gin'),
+            postgresql_using="gin",
+        ),
     )
     id = Column(Integer, primary_key=True)
-    ix = Index('ix_certificates_id_desc', id.desc(), postgresql_using='btree', unique=True)
+    ix = Index(
+        "ix_certificates_id_desc", id.desc(), postgresql_using="btree", unique=True
+    )
     external_id = Column(String(128))
     owner = Column(String(128), nullable=False)
     name = Column(String(256), unique=True)
@@ -102,7 +131,9 @@ class Certificate(db.Model):
     serial = Column(String(128))
     cn = Column(String(128))
     deleted = Column(Boolean, index=True, default=False)
-    dns_provider_id = Column(Integer(), ForeignKey('dns_providers.id', ondelete='CASCADE'), nullable=True)
+    dns_provider_id = Column(
+        Integer(), ForeignKey("dns_providers.id", ondelete="CASCADE"), nullable=True
+    )
 
     not_before = Column(ArrowType)
     not_after = Column(ArrowType)
@@ -116,34 +147,53 @@ class Certificate(db.Model):
     san = Column(String(1024))  # TODO this should be migrated to boolean
 
     rotation = Column(Boolean, default=False)
-    user_id = Column(Integer, ForeignKey('users.id'))
+    user_id = Column(Integer, ForeignKey("users.id"))
-    authority_id = Column(Integer, ForeignKey('authorities.id', ondelete="CASCADE"))
+    authority_id = Column(Integer, ForeignKey("authorities.id", ondelete="CASCADE"))
-    root_authority_id = Column(Integer, ForeignKey('authorities.id', ondelete="CASCADE"))
+    root_authority_id = Column(
-    rotation_policy_id = Column(Integer, ForeignKey('rotation_policies.id'))
+        Integer, ForeignKey("authorities.id", ondelete="CASCADE")
+    )
+    rotation_policy_id = Column(Integer, ForeignKey("rotation_policies.id"))
 
-    notifications = relationship('Notification', secondary=certificate_notification_associations, backref='certificate')
+    notifications = relationship(
-    destinations = relationship('Destination', secondary=certificate_destination_associations, backref='certificate')
+        "Notification",
-    sources = relationship('Source', secondary=certificate_source_associations, backref='certificate')
+        secondary=certificate_notification_associations,
-    domains = relationship('Domain', secondary=certificate_associations, backref='certificate')
+        backref="certificate",
-    roles = relationship('Role', secondary=roles_certificates, backref='certificate')
+    )
-    replaces = relationship('Certificate',
+    destinations = relationship(
+        "Destination",
+        secondary=certificate_destination_associations,
+        backref="certificate",
+    )
+    sources = relationship(
+        "Source", secondary=certificate_source_associations, backref="certificate"
+    )
+    domains = relationship(
+        "Domain", secondary=certificate_associations, backref="certificate"
+    )
+    roles = relationship("Role", secondary=roles_certificates, backref="certificate")
+    replaces = relationship(
+        "Certificate",
         secondary=certificate_replacement_associations,
         primaryjoin=id == certificate_replacement_associations.c.certificate_id,  # noqa
-                            secondaryjoin=id == certificate_replacement_associations.c.replaced_certificate_id,  # noqa
+        secondaryjoin=id
-                            backref='replaced')
+        == certificate_replacement_associations.c.replaced_certificate_id,  # noqa
+        backref="replaced",
+    )
 
-    replaced_by_pending = relationship('PendingCertificate',
+    replaced_by_pending = relationship(
+        "PendingCertificate",
         secondary=pending_cert_replacement_associations,
-                                       backref='pending_replace',
+        backref="pending_replace",
-                                       viewonly=True)
+        viewonly=True,
+    )
 
-    logs = relationship('Log', backref='certificate')
+    logs = relationship("Log", backref="certificate")
-    endpoints = relationship('Endpoint', backref='certificate')
+    endpoints = relationship("Endpoint", backref="certificate")
     rotation_policy = relationship("RotationPolicy")
-    sensitive_fields = ('private_key',)
+    sensitive_fields = ("private_key",)
 
     def __init__(self, **kwargs):
-        self.body = kwargs['body'].strip()
+        self.body = kwargs["body"].strip()
         cert = self.parsed_cert
 
         self.issuer = defaults.issuer(cert)
@@ -154,36 +204,42 @@ class Certificate(db.Model):
         self.serial = defaults.serial(cert)
 
         # when destinations are appended they require a valid name.
-        if kwargs.get('name'):
+        if kwargs.get("name"):
-            self.name = get_or_increase_name(defaults.text_to_slug(kwargs['name']), self.serial)
+            self.name = get_or_increase_name(
+                defaults.text_to_slug(kwargs["name"]), self.serial
+            )
         else:
             self.name = get_or_increase_name(
-                defaults.certificate_name(self.cn, self.issuer, self.not_before, self.not_after, self.san), self.serial)
+                defaults.certificate_name(
+                    self.cn, self.issuer, self.not_before, self.not_after, self.san
+                ),
+                self.serial,
+            )
 
-        self.owner = kwargs['owner']
+        self.owner = kwargs["owner"]
 
-        if kwargs.get('private_key'):
+        if kwargs.get("private_key"):
-            self.private_key = kwargs['private_key'].strip()
+            self.private_key = kwargs["private_key"].strip()
 
-        if kwargs.get('chain'):
+        if kwargs.get("chain"):
-            self.chain = kwargs['chain'].strip()
+            self.chain = kwargs["chain"].strip()
 
-        if kwargs.get('csr'):
+        if kwargs.get("csr"):
-            self.csr = kwargs['csr'].strip()
+            self.csr = kwargs["csr"].strip()
 
-        self.notify = kwargs.get('notify', True)
+        self.notify = kwargs.get("notify", True)
-        self.destinations = kwargs.get('destinations', [])
+        self.destinations = kwargs.get("destinations", [])
-        self.notifications = kwargs.get('notifications', [])
+        self.notifications = kwargs.get("notifications", [])
-        self.description = kwargs.get('description')
+        self.description = kwargs.get("description")
-        self.roles = list(set(kwargs.get('roles', [])))
+        self.roles = list(set(kwargs.get("roles", [])))
-        self.replaces = kwargs.get('replaces', [])
+        self.replaces = kwargs.get("replaces", [])
-        self.rotation = kwargs.get('rotation')
+        self.rotation = kwargs.get("rotation")
-        self.rotation_policy = kwargs.get('rotation_policy')
+        self.rotation_policy = kwargs.get("rotation_policy")
         self.signing_algorithm = defaults.signing_algorithm(cert)
         self.bits = defaults.bitstrength(cert)
-        self.external_id = kwargs.get('external_id')
+        self.external_id = kwargs.get("external_id")
-        self.authority_id = kwargs.get('authority_id')
+        self.authority_id = kwargs.get("authority_id")
-        self.dns_provider_id = kwargs.get('dns_provider_id')
+        self.dns_provider_id = kwargs.get("dns_provider_id")
 
         for domain in defaults.domains(cert):
             self.domains.append(Domain(name=domain))
@@ -197,8 +253,11 @@ class Certificate(db.Model):
         Integrity checks: Does the cert have a valid chain and matching private key?
         """
         if self.private_key:
-            validators.verify_private_key_match(utils.parse_private_key(self.private_key), self.parsed_cert,
+            validators.verify_private_key_match(
-                                                error_class=AssertionError)
+                utils.parse_private_key(self.private_key),
+                self.parsed_cert,
+                error_class=AssertionError,
+            )
 
         if self.chain:
             chain = [self.parsed_cert] + utils.parse_cert_chain(self.chain)
@@ -240,7 +299,9 @@ class Certificate(db.Model):
     @property
     def key_type(self):
         if isinstance(self.parsed_cert.public_key(), rsa.RSAPublicKey):
-            return 'RSA{key_size}'.format(key_size=self.parsed_cert.public_key().key_size)
+            return "RSA{key_size}".format(
+                key_size=self.parsed_cert.public_key().key_size
+            )
 
     @property
     def validity_remaining(self):
@@ -265,26 +326,16 @@ class Certificate(db.Model):
 
     @expired.expression
     def expired(cls):
-        return case(
+        return case([(cls.not_after <= arrow.utcnow(), True)], else_=False)
-            [
-                (cls.not_after <= arrow.utcnow(), True)
-            ],
-            else_=False
-        )
 
     @hybrid_property
     def revoked(self):
-        if 'revoked' == self.status:
+        if "revoked" == self.status:
             return True
 
     @revoked.expression
     def revoked(cls):
-        return case(
+        return case([(cls.status == "revoked", True)], else_=False)
-            [
-                (cls.status == 'revoked', True)
-            ],
-            else_=False
-        )
 
     @hybrid_property
     def in_rotation_window(self):
@@ -307,66 +358,65 @@ class Certificate(db.Model):
         :return:
         """
         return case(
-            [
+            [(extract("day", cls.not_after - func.now()) <= RotationPolicy.days, True)],
-                (extract('day', cls.not_after - func.now()) <= RotationPolicy.days, True)
+            else_=False,
-            ],
-            else_=False
         )
 
     @property
     def extensions(self):
         # setup default values
-        return_extensions = {
+        return_extensions = {"sub_alt_names": {"names": []}}
-            'sub_alt_names': {'names': []}
-        }
 
         try:
             for extension in self.parsed_cert.extensions:
                 value = extension.value
                 if isinstance(value, x509.BasicConstraints):
-                    return_extensions['basic_constraints'] = value
+                    return_extensions["basic_constraints"] = value
 
                 elif isinstance(value, x509.SubjectAlternativeName):
-                    return_extensions['sub_alt_names']['names'] = value
+                    return_extensions["sub_alt_names"]["names"] = value
 
                 elif isinstance(value, x509.ExtendedKeyUsage):
-                    return_extensions['extended_key_usage'] = value
+                    return_extensions["extended_key_usage"] = value
 
                 elif isinstance(value, x509.KeyUsage):
-                    return_extensions['key_usage'] = value
+                    return_extensions["key_usage"] = value
 
                 elif isinstance(value, x509.SubjectKeyIdentifier):
-                    return_extensions['subject_key_identifier'] = {'include_ski': True}
+                    return_extensions["subject_key_identifier"] = {"include_ski": True}
 
                 elif isinstance(value, x509.AuthorityInformationAccess):
-                    return_extensions['certificate_info_access'] = {'include_aia': True}
+                    return_extensions["certificate_info_access"] = {"include_aia": True}
 
                 elif isinstance(value, x509.AuthorityKeyIdentifier):
-                    aki = {
+                    aki = {"use_key_identifier": False, "use_authority_cert": False}
-                        'use_key_identifier': False,
-                        'use_authority_cert': False
-                    }
 
                     if value.key_identifier:
-                        aki['use_key_identifier'] = True
+                        aki["use_key_identifier"] = True
 
                     if value.authority_cert_issuer:
-                        aki['use_authority_cert'] = True
+                        aki["use_authority_cert"] = True
 
-                    return_extensions['authority_key_identifier'] = aki
+                    return_extensions["authority_key_identifier"] = aki
 
                 elif isinstance(value, x509.CRLDistributionPoints):
-                    return_extensions['crl_distribution_points'] = {'include_crl_dp': value}
+                    return_extensions["crl_distribution_points"] = {
+                        "include_crl_dp": value
+                    }
 
                 # TODO: Not supporting custom OIDs yet. https://github.com/Netflix/lemur/issues/665
                 else:
-                    current_app.logger.warning('Custom OIDs not yet supported for clone operation.')
+                    current_app.logger.warning(
+                        "Custom OIDs not yet supported for clone operation."
+                    )
         except InvalidCodepoint as e:
             sentry.captureException()
-            current_app.logger.warning('Unable to parse extensions due to underscore in dns name')
+            current_app.logger.warning(
+                "Unable to parse extensions due to underscore in dns name"
+            )
         except ValueError as e:
             sentry.captureException()
-            current_app.logger.warning('Unable to parse')
+            current_app.logger.warning("Unable to parse")
             current_app.logger.exception(e)
 
         return return_extensions
@@ -375,7 +425,7 @@ class Certificate(db.Model):
         return "Certificate(name={name})".format(name=self.name)
 
 
-@event.listens_for(Certificate.destinations, 'append')
+@event.listens_for(Certificate.destinations, "append")
 def update_destinations(target, value, initiator):
     """
     Attempt to upload certificate to the new destination
@@ -389,17 +439,31 @@ def update_destinations(target, value, initiator):
     status = FAILURE_METRIC_STATUS
     try:
         if target.private_key or not destination_plugin.requires_key:
-            destination_plugin.upload(target.name, target.body, target.private_key, target.chain, value.options)
+            destination_plugin.upload(
+                target.name,
+                target.body,
+                target.private_key,
+                target.chain,
+                value.options,
+            )
             status = SUCCESS_METRIC_STATUS
     except Exception as e:
         sentry.captureException()
         raise
 
-    metrics.send('destination_upload', 'counter', 1,
+    metrics.send(
-                 metric_tags={'status': status, 'certificate': target.name, 'destination': value.label})
+        "destination_upload",
+        "counter",
+        1,
+        metric_tags={
+            "status": status,
+            "certificate": target.name,
+            "destination": value.label,
+        },
+    )
 
 
-@event.listens_for(Certificate.replaces, 'append')
+@event.listens_for(Certificate.replaces, "append")
 def update_replacement(target, value, initiator):
     """
     When a certificate is marked as 'replaced' we should not notify.

lemur/certificates/schemas.py

@@ -39,22 +39,26 @@ from lemur.users.schemas import UserNestedOutputSchema
 
 class CertificateSchema(LemurInputSchema):
     owner = fields.Email(required=True)
-    description = fields.String(missing='', allow_none=True)
+    description = fields.String(missing="", allow_none=True)
 
 
 class CertificateCreationSchema(CertificateSchema):
     @post_load
     def default_notification(self, data):
-        if not data['notifications']:
+        if not data["notifications"]:
-            data['notifications'] += notification_service.create_default_expiration_notifications(
+            data[
-                "DEFAULT_{0}".format(data['owner'].split('@')[0].upper()),
+                "notifications"
-                [data['owner']],
+            ] += notification_service.create_default_expiration_notifications(
+                "DEFAULT_{0}".format(data["owner"].split("@")[0].upper()),
+                [data["owner"]],
             )
 
-            data['notifications'] += notification_service.create_default_expiration_notifications(
+            data[
-                'DEFAULT_SECURITY',
+                "notifications"
-                current_app.config.get('LEMUR_SECURITY_TEAM_EMAIL'),
+            ] += notification_service.create_default_expiration_notifications(
-                current_app.config.get('LEMUR_SECURITY_TEAM_EMAIL_INTERVALS', None)
+                "DEFAULT_SECURITY",
+                current_app.config.get("LEMUR_SECURITY_TEAM_EMAIL"),
+                current_app.config.get("LEMUR_SECURITY_TEAM_EMAIL_INTERVALS", None),
             )
         return data
 
@@ -71,37 +75,53 @@ class CertificateInputSchema(CertificateCreationSchema):
     destinations = fields.Nested(AssociatedDestinationSchema, missing=[], many=True)
     notifications = fields.Nested(AssociatedNotificationSchema, missing=[], many=True)
     replaces = fields.Nested(AssociatedCertificateSchema, missing=[], many=True)
-    replacements = fields.Nested(AssociatedCertificateSchema, missing=[], many=True)  # deprecated
+    replacements = fields.Nested(
+        AssociatedCertificateSchema, missing=[], many=True
+    )  # deprecated
     roles = fields.Nested(AssociatedRoleSchema, missing=[], many=True)
-    dns_provider = fields.Nested(AssociatedDnsProviderSchema, missing=None, allow_none=True, required=False)
+    dns_provider = fields.Nested(
+        AssociatedDnsProviderSchema, missing=None, allow_none=True, required=False
+    )
 
     csr = fields.String(allow_none=True, validate=validators.csr)
 
     key_type = fields.String(
-        validate=validate.OneOf(CERTIFICATE_KEY_TYPES),
+        validate=validate.OneOf(CERTIFICATE_KEY_TYPES), missing="RSA2048"
-        missing='RSA2048')
+    )
 
     notify = fields.Boolean(default=True)
     rotation = fields.Boolean()
-    rotation_policy = fields.Nested(AssociatedRotationPolicySchema, missing={'name': 'default'}, allow_none=True,
+    rotation_policy = fields.Nested(
-                                    default={'name': 'default'})
+        AssociatedRotationPolicySchema,
+        missing={"name": "default"},
+        allow_none=True,
+        default={"name": "default"},
+    )
 
     # certificate body fields
-    organizational_unit = fields.String(missing=lambda: current_app.config.get('LEMUR_DEFAULT_ORGANIZATIONAL_UNIT'))
+    organizational_unit = fields.String(
-    organization = fields.String(missing=lambda: current_app.config.get('LEMUR_DEFAULT_ORGANIZATION'))
+        missing=lambda: current_app.config.get("LEMUR_DEFAULT_ORGANIZATIONAL_UNIT")
-    location = fields.String(missing=lambda: current_app.config.get('LEMUR_DEFAULT_LOCATION'))
+    )
-    country = fields.String(missing=lambda: current_app.config.get('LEMUR_DEFAULT_COUNTRY'))
+    organization = fields.String(
-    state = fields.String(missing=lambda: current_app.config.get('LEMUR_DEFAULT_STATE'))
+        missing=lambda: current_app.config.get("LEMUR_DEFAULT_ORGANIZATION")
+    )
+    location = fields.String(
+        missing=lambda: current_app.config.get("LEMUR_DEFAULT_LOCATION")
+    )
+    country = fields.String(
+        missing=lambda: current_app.config.get("LEMUR_DEFAULT_COUNTRY")
+    )
+    state = fields.String(missing=lambda: current_app.config.get("LEMUR_DEFAULT_STATE"))
 
     extensions = fields.Nested(ExtensionSchema)
 
     @validates_schema
     def validate_authority(self, data):
-        if isinstance(data['authority'], str):
+        if isinstance(data["authority"], str):
             raise ValidationError("Authority not found.")
 
-        if not data['authority'].active:
+        if not data["authority"].active:
-            raise ValidationError("The authority is inactive.", ['authority'])
+            raise ValidationError("The authority is inactive.", ["authority"])
 
     @validates_schema
     def validate_dates(self, data):
@@ -109,23 +129,19 @@ class CertificateInputSchema(CertificateCreationSchema):
 
     @pre_load
     def load_data(self, data):
-        if data.get('replacements'):
+        if data.get("replacements"):
-            data['replaces'] = data['replacements']  # TODO remove when field is deprecated
+            data["replaces"] = data[
-        if data.get('csr'):
+                "replacements"
-            csr_sans = cert_utils.get_sans_from_csr(data['csr'])
+            ]  # TODO remove when field is deprecated
-            if not data.get('extensions'):
+        if data.get("csr"):
-                data['extensions'] = {
+            csr_sans = cert_utils.get_sans_from_csr(data["csr"])
-                    'subAltNames': {
+            if not data.get("extensions"):
-                        'names': []
+                data["extensions"] = {"subAltNames": {"names": []}}
-                    }
+            elif not data["extensions"].get("subAltNames"):
-                }
+                data["extensions"]["subAltNames"] = {"names": []}
-            elif not data['extensions'].get('subAltNames'):
+            elif not data["extensions"]["subAltNames"].get("names"):
-                data['extensions']['subAltNames'] = {
+                data["extensions"]["subAltNames"]["names"] = []
-                    'names': []
+            data["extensions"]["subAltNames"]["names"] += csr_sans
-                }
-            elif not data['extensions']['subAltNames'].get('names'):
-                data['extensions']['subAltNames']['names'] = []
-            data['extensions']['subAltNames']['names'] += csr_sans
         return missing.convert_validity_years(data)
 
 
@@ -138,13 +154,17 @@ class CertificateEditInputSchema(CertificateSchema):
     destinations = fields.Nested(AssociatedDestinationSchema, missing=[], many=True)
     notifications = fields.Nested(AssociatedNotificationSchema, missing=[], many=True)
     replaces = fields.Nested(AssociatedCertificateSchema, missing=[], many=True)
-    replacements = fields.Nested(AssociatedCertificateSchema, missing=[], many=True)  # deprecated
+    replacements = fields.Nested(
+        AssociatedCertificateSchema, missing=[], many=True
+    )  # deprecated
     roles = fields.Nested(AssociatedRoleSchema, missing=[], many=True)
 
     @pre_load
     def load_data(self, data):
-        if data.get('replacements'):
+        if data.get("replacements"):
-            data['replaces'] = data['replacements']  # TODO remove when field is deprecated
+            data["replaces"] = data[
+                "replacements"
+            ]  # TODO remove when field is deprecated
         return data
 
     @post_load
@@ -155,10 +175,15 @@ class CertificateEditInputSchema(CertificateSchema):
         :param data:
         :return:
         """
-        if data['owner']:
+        if data["owner"]:
-            notification_name = "DEFAULT_{0}".format(data['owner'].split('@')[0].upper())
+            notification_name = "DEFAULT_{0}".format(
-            data['notifications'] += notification_service.create_default_expiration_notifications(notification_name,
+                data["owner"].split("@")[0].upper()
-                                                                                                  [data['owner']])
+            )
+            data[
+                "notifications"
+            ] += notification_service.create_default_expiration_notifications(
+                notification_name, [data["owner"]]
+            )
         return data
 
 
@@ -184,13 +209,13 @@ class CertificateNestedOutputSchema(LemurOutputSchema):
 
     # Note aliasing is the first step in deprecating these fields.
     cn = fields.String()  # deprecated
-    common_name = fields.String(attribute='cn')
+    common_name = fields.String(attribute="cn")
 
     not_after = fields.DateTime()  # deprecated
-    validity_end = ArrowDateTime(attribute='not_after')
+    validity_end = ArrowDateTime(attribute="not_after")
 
     not_before = fields.DateTime()  # deprecated
-    validity_start = ArrowDateTime(attribute='not_before')
+    validity_start = ArrowDateTime(attribute="not_before")
 
     issuer = fields.Nested(AuthorityNestedOutputSchema)
 
@@ -221,22 +246,22 @@ class CertificateOutputSchema(LemurOutputSchema):
 
     # Note aliasing is the first step in deprecating these fields.
     notify = fields.Boolean()
-    active = fields.Boolean(attribute='notify')
+    active = fields.Boolean(attribute="notify")
 
     cn = fields.String()
-    common_name = fields.String(attribute='cn')
+    common_name = fields.String(attribute="cn")
     distinguished_name = fields.String()
 
     not_after = fields.DateTime()
-    validity_end = ArrowDateTime(attribute='not_after')
+    validity_end = ArrowDateTime(attribute="not_after")
 
     not_before = fields.DateTime()
-    validity_start = ArrowDateTime(attribute='not_before')
+    validity_start = ArrowDateTime(attribute="not_before")
 
     owner = fields.Email()
     san = fields.Boolean()
     serial = fields.String()
-    serial_hex = Hex(attribute='serial')
+    serial_hex = Hex(attribute="serial")
     signing_algorithm = fields.String()
 
     status = fields.String()
@@ -253,7 +278,9 @@ class CertificateOutputSchema(LemurOutputSchema):
     dns_provider = fields.Nested(DnsProvidersNestedOutputSchema)
     roles = fields.Nested(RoleNestedOutputSchema, many=True)
     endpoints = fields.Nested(EndpointNestedOutputSchema, many=True, missing=[])
-    replaced_by = fields.Nested(CertificateNestedOutputSchema, many=True, attribute='replaced')
+    replaced_by = fields.Nested(
+        CertificateNestedOutputSchema, many=True, attribute="replaced"
+    )
     rotation_policy = fields.Nested(RotationPolicyNestedOutputSchema)
 
 
@@ -274,35 +301,41 @@ class CertificateUploadInputSchema(CertificateCreationSchema):
 
     @validates_schema
     def keys(self, data):
-        if data.get('destinations'):
+        if data.get("destinations"):
-            if not data.get('private_key'):
+            if not data.get("private_key"):
-                raise ValidationError('Destinations require private key.')
+                raise ValidationError("Destinations require private key.")
 
     @validates_schema
     def validate_cert_private_key_chain(self, data):
         cert = None
         key = None
-        if data.get('body'):
+        if data.get("body"):
             try:
-                cert = utils.parse_certificate(data['body'])
+                cert = utils.parse_certificate(data["body"])
             except ValueError:
-                raise ValidationError("Public certificate presented is not valid.", field_names=['body'])
+                raise ValidationError(
+                    "Public certificate presented is not valid.", field_names=["body"]
+                )
 
-        if data.get('private_key'):
+        if data.get("private_key"):
             try:
-                key = utils.parse_private_key(data['private_key'])
+                key = utils.parse_private_key(data["private_key"])
             except ValueError:
-                raise ValidationError("Private key presented is not valid.", field_names=['private_key'])
+                raise ValidationError(
+                    "Private key presented is not valid.", field_names=["private_key"]
+                )
 
         if cert and key:
             # Throws ValidationError
             validators.verify_private_key_match(key, cert)
 
-        if data.get('chain'):
+        if data.get("chain"):
             try:
-                chain = utils.parse_cert_chain(data['chain'])
+                chain = utils.parse_cert_chain(data["chain"])
             except ValueError:
-                raise ValidationError("Invalid certificate in certificate chain.", field_names=['chain'])
+                raise ValidationError(
+                    "Invalid certificate in certificate chain.", field_names=["chain"]
+                )
 
             # Throws ValidationError
             validators.verify_cert_chain([cert] + chain)
@@ -318,8 +351,10 @@ class CertificateNotificationOutputSchema(LemurOutputSchema):
     name = fields.String()
     owner = fields.Email()
     user = fields.Nested(UserNestedOutputSchema)
-    validity_end = ArrowDateTime(attribute='not_after')
+    validity_end = ArrowDateTime(attribute="not_after")
-    replaced_by = fields.Nested(CertificateNestedOutputSchema, many=True, attribute='replaced')
+    replaced_by = fields.Nested(
+        CertificateNestedOutputSchema, many=True, attribute="replaced"
+    )
     endpoints = fields.Nested(EndpointNestedOutputSchema, many=True, missing=[])
 
 

lemur/certificates/service.py

@@ -26,10 +26,14 @@ from lemur.plugins.base import plugins
 from lemur.roles import service as role_service
 from lemur.roles.models import Role
 
-csr_created = signals.signal('csr_created', "CSR generated")
+csr_created = signals.signal("csr_created", "CSR generated")
-csr_imported = signals.signal('csr_imported', "CSR imported from external source")
+csr_imported = signals.signal("csr_imported", "CSR imported from external source")
-certificate_issued = signals.signal('certificate_issued', "Authority issued a certificate")
+certificate_issued = signals.signal(
-certificate_imported = signals.signal('certificate_imported', "Certificate imported from external source")
+    "certificate_issued", "Authority issued a certificate"
+)
+certificate_imported = signals.signal(
+    "certificate_imported", "Certificate imported from external source"
+)
 
 
 def get(cert_id):
@@ -49,7 +53,7 @@ def get_by_name(name):
     :param name:
     :return:
     """
-    return database.get(Certificate, name, field='name')
+    return database.get(Certificate, name, field="name")
 
 
 def get_by_serial(serial):
@@ -105,8 +109,12 @@ def get_all_pending_cleaning(source):
     :param source:
     :return:
     """
-    return Certificate.query.filter(Certificate.sources.any(id=source.id)) \
+    return (
-        .filter(not_(Certificate.endpoints.any())).filter(Certificate.expired).all()
+        Certificate.query.filter(Certificate.sources.any(id=source.id))
+        .filter(not_(Certificate.endpoints.any()))
+        .filter(Certificate.expired)
+        .all()
+    )
 
 
 def get_all_pending_reissue():
@@ -119,9 +127,12 @@ def get_all_pending_reissue():
 
     :return:
     """
-    return Certificate.query.filter(Certificate.rotation == True) \
+    return (
-        .filter(not_(Certificate.replaced.any())) \
+        Certificate.query.filter(Certificate.rotation == True)
-        .filter(Certificate.in_rotation_window == True).all()  # noqa
+        .filter(not_(Certificate.replaced.any()))
+        .filter(Certificate.in_rotation_window == True)
+        .all()
+    )  # noqa
 
 
 def find_duplicates(cert):
@@ -133,10 +144,12 @@ def find_duplicates(cert):
     :param cert:
     :return:
     """
-    if cert['chain']:
+    if cert["chain"]:
-        return Certificate.query.filter_by(body=cert['body'].strip(), chain=cert['chain'].strip()).all()
+        return Certificate.query.filter_by(
+            body=cert["body"].strip(), chain=cert["chain"].strip()
+        ).all()
     else:
-        return Certificate.query.filter_by(body=cert['body'].strip(), chain=None).all()
+        return Certificate.query.filter_by(body=cert["body"].strip(), chain=None).all()
 
 
 def export(cert, export_plugin):
@@ -148,8 +161,10 @@ def export(cert, export_plugin):
     :param cert:
     :return:
     """
-    plugin = plugins.get(export_plugin['slug'])
+    plugin = plugins.get(export_plugin["slug"])
-    return plugin.export(cert.body, cert.chain, cert.private_key, export_plugin['pluginOptions'])
+    return plugin.export(
+        cert.body, cert.chain, cert.private_key, export_plugin["pluginOptions"]
+    )
 
 
 def update(cert_id, **kwargs):
@@ -168,17 +183,19 @@ def update(cert_id, **kwargs):
 
 def create_certificate_roles(**kwargs):
     # create an role for the owner and assign it
-    owner_role = role_service.get_by_name(kwargs['owner'])
+    owner_role = role_service.get_by_name(kwargs["owner"])
 
     if not owner_role:
         owner_role = role_service.create(
-            kwargs['owner'],
+            kwargs["owner"],
-            description="Auto generated role based on owner: {0}".format(kwargs['owner'])
+            description="Auto generated role based on owner: {0}".format(
+                kwargs["owner"]
+            ),
         )
 
     # ensure that the authority's owner is also associated with the certificate
-    if kwargs.get('authority'):
+    if kwargs.get("authority"):
-        authority_owner_role = role_service.get_by_name(kwargs['authority'].owner)
+        authority_owner_role = role_service.get_by_name(kwargs["authority"].owner)
         return [owner_role, authority_owner_role]
 
     return [owner_role]
@@ -190,16 +207,16 @@ def mint(**kwargs):
     Support for multiple authorities is handled by individual plugins.
 
     """
-    authority = kwargs['authority']
+    authority = kwargs["authority"]
 
     issuer = plugins.get(authority.plugin_name)
 
     # allow the CSR to be specified by the user
-    if not kwargs.get('csr'):
+    if not kwargs.get("csr"):
         csr, private_key = create_csr(**kwargs)
         csr_created.send(authority=authority, csr=csr)
     else:
-        csr = str(kwargs.get('csr'))
+        csr = str(kwargs.get("csr"))
         private_key = None
         csr_imported.send(authority=authority, csr=csr)
 
@@ -220,8 +237,8 @@ def import_certificate(**kwargs):
 
     :param kwargs:
     """
-    if not kwargs.get('owner'):
+    if not kwargs.get("owner"):
-        kwargs['owner'] = current_app.config.get('LEMUR_SECURITY_TEAM_EMAIL')[0]
+        kwargs["owner"] = current_app.config.get("LEMUR_SECURITY_TEAM_EMAIL")[0]
 
     return upload(**kwargs)
 
@@ -232,16 +249,16 @@ def upload(**kwargs):
     """
     roles = create_certificate_roles(**kwargs)
 
-    if kwargs.get('roles'):
+    if kwargs.get("roles"):
-        kwargs['roles'] += roles
+        kwargs["roles"] += roles
     else:
-        kwargs['roles'] = roles
+        kwargs["roles"] = roles
 
     cert = Certificate(**kwargs)
-    cert.authority = kwargs.get('authority')
+    cert.authority = kwargs.get("authority")
     cert = database.create(cert)
 
-    kwargs['creator'].certificates.append(cert)
+    kwargs["creator"].certificates.append(cert)
 
     cert = database.update(cert)
     certificate_imported.send(certificate=cert, authority=cert.authority)
@@ -258,39 +275,45 @@ def create(**kwargs):
         current_app.logger.error("Exception minting certificate", exc_info=True)
         sentry.captureException()
         raise
-    kwargs['body'] = cert_body
+    kwargs["body"] = cert_body
-    kwargs['private_key'] = private_key
+    kwargs["private_key"] = private_key
-    kwargs['chain'] = cert_chain
+    kwargs["chain"] = cert_chain
-    kwargs['external_id'] = external_id
+    kwargs["external_id"] = external_id
-    kwargs['csr'] = csr
+    kwargs["csr"] = csr
 
     roles = create_certificate_roles(**kwargs)
 
-    if kwargs.get('roles'):
+    if kwargs.get("roles"):
-        kwargs['roles'] += roles
+        kwargs["roles"] += roles
     else:
-        kwargs['roles'] = roles
+        kwargs["roles"] = roles
 
     if cert_body:
         cert = Certificate(**kwargs)
-        kwargs['creator'].certificates.append(cert)
+        kwargs["creator"].certificates.append(cert)
     else:
         cert = PendingCertificate(**kwargs)
-        kwargs['creator'].pending_certificates.append(cert)
+        kwargs["creator"].pending_certificates.append(cert)
 
-    cert.authority = kwargs['authority']
+    cert.authority = kwargs["authority"]
 
     database.commit()
 
     if isinstance(cert, Certificate):
         certificate_issued.send(certificate=cert, authority=cert.authority)
-        metrics.send('certificate_issued', 'counter', 1, metric_tags=dict(owner=cert.owner, issuer=cert.issuer))
+        metrics.send(
+            "certificate_issued",
+            "counter",
+            1,
+            metric_tags=dict(owner=cert.owner, issuer=cert.issuer),
+        )
 
     if isinstance(cert, PendingCertificate):
         # We need to refresh the pending certificate to avoid "Instance is not bound to a Session; "
         # "attribute refresh operation cannot proceed"
         pending_cert = database.session_query(PendingCertificate).get(cert.id)
         from lemur.common.celery import fetch_acme_cert
+
         if not current_app.config.get("ACME_DISABLE_AUTORESOLVE", False):
             fetch_acme_cert.apply_async((pending_cert.id,), countdown=5)
 
@@ -306,51 +329,55 @@ def render(args):
     """
     query = database.session_query(Certificate)
 
-    time_range = args.pop('time_range')
+    time_range = args.pop("time_range")
-    destination_id = args.pop('destination_id')
+    destination_id = args.pop("destination_id")
-    notification_id = args.pop('notification_id', None)
+    notification_id = args.pop("notification_id", None)
-    show = args.pop('show')
+    show = args.pop("show")
     # owner = args.pop('owner')
     # creator = args.pop('creator')  # TODO we should enabling filtering by owner
 
-    filt = args.pop('filter')
+    filt = args.pop("filter")
 
     if filt:
-        terms = filt.split(';')
+        terms = filt.split(";")
-        term = '%{0}%'.format(terms[1])
+        term = "%{0}%".format(terms[1])
         # Exact matches for quotes. Only applies to name, issuer, and cn
         if terms[1].startswith('"') and terms[1].endswith('"'):
             term = terms[1][1:-1]
 
-        if 'issuer' in terms:
+        if "issuer" in terms:
             # we can't rely on issuer being correct in the cert directly so we combine queries
-            sub_query = database.session_query(Authority.id) \
+            sub_query = (
-                .filter(Authority.name.ilike(term)) \
+                database.session_query(Authority.id)
+                .filter(Authority.name.ilike(term))
                 .subquery()
+            )
 
             query = query.filter(
                 or_(
                     Certificate.issuer.ilike(term),
-                    Certificate.authority_id.in_(sub_query)
+                    Certificate.authority_id.in_(sub_query),
                 )
             )
 
-        elif 'destination' in terms:
+        elif "destination" in terms:
-            query = query.filter(Certificate.destinations.any(Destination.id == terms[1]))
+            query = query.filter(
-        elif 'notify' in filt:
+                Certificate.destinations.any(Destination.id == terms[1])
+            )
+        elif "notify" in filt:
             query = query.filter(Certificate.notify == truthiness(terms[1]))
-        elif 'active' in filt:
+        elif "active" in filt:
             query = query.filter(Certificate.active == truthiness(terms[1]))
-        elif 'cn' in terms:
+        elif "cn" in terms:
             query = query.filter(
                 or_(
                     Certificate.cn.ilike(term),
-                    Certificate.domains.any(Domain.name.ilike(term))
+                    Certificate.domains.any(Domain.name.ilike(term)),
                 )
             )
-        elif 'id' in terms:
+        elif "id" in terms:
             query = query.filter(Certificate.id == cast(terms[1], Integer))
-        elif 'name' in terms:
+        elif "name" in terms:
             query = query.filter(
                 or_(
                     Certificate.name.ilike(term),
@@ -362,26 +389,35 @@ def render(args):
             query = database.filter(query, Certificate, terms)
 
     if show:
-        sub_query = database.session_query(Role.name).filter(Role.user_id == args['user'].id).subquery()
+        sub_query = (
+            database.session_query(Role.name)
+            .filter(Role.user_id == args["user"].id)
+            .subquery()
+        )
         query = query.filter(
             or_(
-                Certificate.user_id == args['user'].id,
+                Certificate.user_id == args["user"].id, Certificate.owner.in_(sub_query)
-                Certificate.owner.in_(sub_query)
             )
         )
 
     if destination_id:
-        query = query.filter(Certificate.destinations.any(Destination.id == destination_id))
+        query = query.filter(
+            Certificate.destinations.any(Destination.id == destination_id)
+        )
 
     if notification_id:
-        query = query.filter(Certificate.notifications.any(Notification.id == notification_id))
+        query = query.filter(
+            Certificate.notifications.any(Notification.id == notification_id)
+        )
 
     if time_range:
-        to = arrow.now().replace(weeks=+time_range).format('YYYY-MM-DD')
+        to = arrow.now().replace(weeks=+time_range).format("YYYY-MM-DD")
-        now = arrow.now().format('YYYY-MM-DD')
+        now = arrow.now().format("YYYY-MM-DD")
-        query = query.filter(Certificate.not_after <= to).filter(Certificate.not_after >= now)
+        query = query.filter(Certificate.not_after <= to).filter(
+            Certificate.not_after >= now
+        )
 
-    if current_app.config.get('ALLOW_CERT_DELETION', False):
+    if current_app.config.get("ALLOW_CERT_DELETION", False):
         query = query.filter(Certificate.deleted == False)  # noqa
 
     result = database.sort_and_page(query, Certificate, args)
@@ -409,18 +445,20 @@ def query_common_name(common_name, args):
     :param args:
     :return:
     """
-    owner = args.pop('owner')
+    owner = args.pop("owner")
     if not owner:
-        owner = '%'
+        owner = "%"
 
     # only not expired certificates
     current_time = arrow.utcnow()
 
-    result = Certificate.query.filter(Certificate.cn.ilike(common_name)) \
+    result = (
-        .filter(Certificate.owner.ilike(owner))\
+        Certificate.query.filter(Certificate.cn.ilike(common_name))
-        .filter(Certificate.not_after >= current_time.format('YYYY-MM-DD')) \
+        .filter(Certificate.owner.ilike(owner))
-        .filter(Certificate.rotation.is_(True))\
+        .filter(Certificate.not_after >= current_time.format("YYYY-MM-DD"))
+        .filter(Certificate.rotation.is_(True))
         .all()
+    )
 
     return result
 
@@ -432,62 +470,77 @@ def create_csr(**csr_config):
 
     :param csr_config:
     """
-    private_key = generate_private_key(csr_config.get('key_type'))
+    private_key = generate_private_key(csr_config.get("key_type"))
 
     builder = x509.CertificateSigningRequestBuilder()
-    name_list = [x509.NameAttribute(x509.OID_COMMON_NAME, csr_config['common_name'])]
+    name_list = [x509.NameAttribute(x509.OID_COMMON_NAME, csr_config["common_name"])]
-    if current_app.config.get('LEMUR_OWNER_EMAIL_IN_SUBJECT', True):
+    if current_app.config.get("LEMUR_OWNER_EMAIL_IN_SUBJECT", True):
-        name_list.append(x509.NameAttribute(x509.OID_EMAIL_ADDRESS, csr_config['owner']))
+        name_list.append(
-    if 'organization' in csr_config and csr_config['organization'].strip():
+            x509.NameAttribute(x509.OID_EMAIL_ADDRESS, csr_config["owner"])
-        name_list.append(x509.NameAttribute(x509.OID_ORGANIZATION_NAME, csr_config['organization']))
+        )
-    if 'organizational_unit' in csr_config and csr_config['organizational_unit'].strip():
+    if "organization" in csr_config and csr_config["organization"].strip():
-        name_list.append(x509.NameAttribute(x509.OID_ORGANIZATIONAL_UNIT_NAME, csr_config['organizational_unit']))
+        name_list.append(
-    if 'country' in csr_config and csr_config['country'].strip():
+            x509.NameAttribute(x509.OID_ORGANIZATION_NAME, csr_config["organization"])
-        name_list.append(x509.NameAttribute(x509.OID_COUNTRY_NAME, csr_config['country']))
+        )
-    if 'state' in csr_config and csr_config['state'].strip():
+    if (
-        name_list.append(x509.NameAttribute(x509.OID_STATE_OR_PROVINCE_NAME, csr_config['state']))
+        "organizational_unit" in csr_config
-    if 'location' in csr_config and csr_config['location'].strip():
+        and csr_config["organizational_unit"].strip()
-        name_list.append(x509.NameAttribute(x509.OID_LOCALITY_NAME, csr_config['location']))
+    ):
+        name_list.append(
+            x509.NameAttribute(
+                x509.OID_ORGANIZATIONAL_UNIT_NAME, csr_config["organizational_unit"]
+            )
+        )
+    if "country" in csr_config and csr_config["country"].strip():
+        name_list.append(
+            x509.NameAttribute(x509.OID_COUNTRY_NAME, csr_config["country"])
+        )
+    if "state" in csr_config and csr_config["state"].strip():
+        name_list.append(
+            x509.NameAttribute(x509.OID_STATE_OR_PROVINCE_NAME, csr_config["state"])
+        )
+    if "location" in csr_config and csr_config["location"].strip():
+        name_list.append(
+            x509.NameAttribute(x509.OID_LOCALITY_NAME, csr_config["location"])
+        )
     builder = builder.subject_name(x509.Name(name_list))
 
-    extensions = csr_config.get('extensions', {})
+    extensions = csr_config.get("extensions", {})
-    critical_extensions = ['basic_constraints', 'sub_alt_names', 'key_usage']
+    critical_extensions = ["basic_constraints", "sub_alt_names", "key_usage"]
-    noncritical_extensions = ['extended_key_usage']
+    noncritical_extensions = ["extended_key_usage"]
     for k, v in extensions.items():
         if v:
             if k in critical_extensions:
-                current_app.logger.debug('Adding Critical Extension: {0} {1}'.format(k, v))
+                current_app.logger.debug(
-                if k == 'sub_alt_names':
+                    "Adding Critical Extension: {0} {1}".format(k, v)
-                    if v['names']:
+                )
-                        builder = builder.add_extension(v['names'], critical=True)
+                if k == "sub_alt_names":
+                    if v["names"]:
+                        builder = builder.add_extension(v["names"], critical=True)
                 else:
                     builder = builder.add_extension(v, critical=True)
 
             if k in noncritical_extensions:
-                current_app.logger.debug('Adding Extension: {0} {1}'.format(k, v))
+                current_app.logger.debug("Adding Extension: {0} {1}".format(k, v))
                 builder = builder.add_extension(v, critical=False)
 
-    ski = extensions.get('subject_key_identifier', {})
+    ski = extensions.get("subject_key_identifier", {})
-    if ski.get('include_ski', False):
+    if ski.get("include_ski", False):
         builder = builder.add_extension(
             x509.SubjectKeyIdentifier.from_public_key(private_key.public_key()),
-            critical=False
+            critical=False,
         )
 
-    request = builder.sign(
+    request = builder.sign(private_key, hashes.SHA256(), default_backend())
-        private_key, hashes.SHA256(), default_backend()
-    )
 
     # serialize our private key and CSR
     private_key = private_key.private_bytes(
         encoding=serialization.Encoding.PEM,
         format=serialization.PrivateFormat.TraditionalOpenSSL,  # would like to use PKCS8 but AWS ELBs don't like it
-        encryption_algorithm=serialization.NoEncryption()
+        encryption_algorithm=serialization.NoEncryption(),
-    ).decode('utf-8')
+    ).decode("utf-8")
 
-    csr = request.public_bytes(
+    csr = request.public_bytes(encoding=serialization.Encoding.PEM).decode("utf-8")
-        encoding=serialization.Encoding.PEM
-    ).decode('utf-8')
 
     return csr, private_key
 
@@ -499,16 +552,19 @@ def stats(**kwargs):
     :param kwargs:
     :return:
     """
-    if kwargs.get('metric') == 'not_after':
+    if kwargs.get("metric") == "not_after":
         start = arrow.utcnow()
         end = start.replace(weeks=+32)
-        items = database.db.session.query(Certificate.issuer, func.count(Certificate.id)) \
+        items = (
-            .group_by(Certificate.issuer) \
+            database.db.session.query(Certificate.issuer, func.count(Certificate.id))
-            .filter(Certificate.not_after <= end.format('YYYY-MM-DD')) \
+            .group_by(Certificate.issuer)
-            .filter(Certificate.not_after >= start.format('YYYY-MM-DD')).all()
+            .filter(Certificate.not_after <= end.format("YYYY-MM-DD"))
+            .filter(Certificate.not_after >= start.format("YYYY-MM-DD"))
+            .all()
+        )
 
     else:
-        attr = getattr(Certificate, kwargs.get('metric'))
+        attr = getattr(Certificate, kwargs.get("metric"))
         query = database.db.session.query(attr, func.count(attr))
 
         items = query.group_by(attr).all()
@@ -519,7 +575,7 @@ def stats(**kwargs):
         keys.append(key)
         values.append(count)
 
-    return {'labels': keys, 'values': values}
+    return {"labels": keys, "values": values}
 
 
 def get_account_number(arn):
@@ -566,22 +622,24 @@ def get_certificate_primitives(certificate):
     certificate via `create`.
     """
     start, end = calculate_reissue_range(certificate.not_before, certificate.not_after)
-    ser = CertificateInputSchema().load(CertificateOutputSchema().dump(certificate).data)
+    ser = CertificateInputSchema().load(
+        CertificateOutputSchema().dump(certificate).data
+    )
     assert not ser.errors, "Error re-serializing certificate: %s" % ser.errors
     data = ser.data
 
     # we can't quite tell if we are using a custom name, as this is an automated process (typically)
     # we will rely on the Lemur generated name
-    data.pop('name', None)
+    data.pop("name", None)
 
     # TODO this can be removed once we migrate away from cn
-    data['cn'] = data['common_name']
+    data["cn"] = data["common_name"]
 
     # needed until we move off not_*
-    data['not_before'] = start
+    data["not_before"] = start
-    data['not_after'] = end
+    data["not_after"] = end
-    data['validity_start'] = start
+    data["validity_start"] = start
-    data['validity_end'] = end
+    data["validity_end"] = end
     return data
 
 
@@ -599,13 +657,13 @@ def reissue_certificate(certificate, replace=None, user=None):
         #  We do not want to re-use the CSR when creating a certificate because this defeats the purpose of rotation.
         del primitives["csr"]
     if not user:
-        primitives['creator'] = certificate.user
+        primitives["creator"] = certificate.user
 
     else:
-        primitives['creator'] = user
+        primitives["creator"] = user
 
     if replace:
-        primitives['replaces'] = [certificate]
+        primitives["replaces"] = [certificate]
 
     new_cert = create(**primitives)
 

lemur/certificates/utils.py

@@ -23,17 +23,18 @@ def get_sans_from_csr(data):
     """
     sub_alt_names = []
     try:
-        request = x509.load_pem_x509_csr(data.encode('utf-8'), default_backend())
+        request = x509.load_pem_x509_csr(data.encode("utf-8"), default_backend())
     except Exception:
-        raise ValidationError('CSR presented is not valid.')
+        raise ValidationError("CSR presented is not valid.")
 
     try:
-        alt_names = request.extensions.get_extension_for_class(x509.SubjectAlternativeName)
+        alt_names = request.extensions.get_extension_for_class(
+            x509.SubjectAlternativeName
+        )
         for alt_name in alt_names.value:
-            sub_alt_names.append({
+            sub_alt_names.append(
-                'nameType': type(alt_name).__name__,
+                {"nameType": type(alt_name).__name__, "value": alt_name.value}
-                'value': alt_name.value
+            )
-            })
     except x509.ExtensionNotFound:
         pass
 

lemur/certificates/verify.py

@@ -29,31 +29,45 @@ def ocsp_verify(cert, cert_path, issuer_chain_path):
     :param issuer_chain_path:
     :return bool: True if certificate is valid, False otherwise
     """
-    command = ['openssl', 'x509', '-noout', '-ocsp_uri', '-in', cert_path]
+    command = ["openssl", "x509", "-noout", "-ocsp_uri", "-in", cert_path]
     p1 = subprocess.Popen(command, stdout=subprocess.PIPE, stderr=subprocess.PIPE)
     url, err = p1.communicate()
 
     if not url:
-        current_app.logger.debug("No OCSP URL in certificate {}".format(cert.serial_number))
+        current_app.logger.debug(
+            "No OCSP URL in certificate {}".format(cert.serial_number)
+        )
         return None
 
-    p2 = subprocess.Popen(['openssl', 'ocsp', '-issuer', issuer_chain_path,
+    p2 = subprocess.Popen(
-                           '-cert', cert_path, "-url", url.strip()],
+        [
+            "openssl",
+            "ocsp",
+            "-issuer",
+            issuer_chain_path,
+            "-cert",
+            cert_path,
+            "-url",
+            url.strip(),
+        ],
         stdout=subprocess.PIPE,
-                          stderr=subprocess.PIPE)
+        stderr=subprocess.PIPE,
+    )
 
     message, err = p2.communicate()
 
-    p_message = message.decode('utf-8')
+    p_message = message.decode("utf-8")
 
-    if 'error' in p_message or 'Error' in p_message:
+    if "error" in p_message or "Error" in p_message:
         raise Exception("Got error when parsing OCSP url")
 
-    elif 'revoked' in p_message:
+    elif "revoked" in p_message:
-        current_app.logger.debug("OCSP reports certificate revoked: {}".format(cert.serial_number))
+        current_app.logger.debug(
+            "OCSP reports certificate revoked: {}".format(cert.serial_number)
+        )
         return False
 
-    elif 'good' not in p_message:
+    elif "good" not in p_message:
         raise Exception("Did not receive a valid response")
 
     return True
@@ -73,7 +87,9 @@ def crl_verify(cert, cert_path):
             x509.OID_CRL_DISTRIBUTION_POINTS
         ).value
     except x509.ExtensionNotFound:
-        current_app.logger.debug("No CRLDP extension in certificate {}".format(cert.serial_number))
+        current_app.logger.debug(
+            "No CRLDP extension in certificate {}".format(cert.serial_number)
+        )
         return None
 
     for p in distribution_points:
@@ -92,8 +108,9 @@ def crl_verify(cert, cert_path):
             except ConnectionError:
                 raise Exception("Unable to retrieve CRL: {0}".format(point))
 
-            crl_cache[point] = x509.load_der_x509_crl(response.content,
+            crl_cache[point] = x509.load_der_x509_crl(
-                                                      backend=default_backend())
+                response.content, backend=default_backend()
+            )
         else:
             current_app.logger.debug("CRL point is cached {}".format(point))
 
@@ -110,8 +127,9 @@ def crl_verify(cert, cert_path):
                 except x509.ExtensionNotFound:
                     pass
 
-                current_app.logger.debug("CRL reports certificate "
+                current_app.logger.debug(
-                                         "revoked: {}".format(cert.serial_number))
+                    "CRL reports certificate " "revoked: {}".format(cert.serial_number)
+                )
                 return False
 
     return True
@@ -125,7 +143,7 @@ def verify(cert_path, issuer_chain_path):
     :param issuer_chain_path:
     :return: True if valid, False otherwise
     """
-    with open(cert_path, 'rt') as c:
+    with open(cert_path, "rt") as c:
         try:
             cert = parse_certificate(c.read())
         except ValueError as e:
@@ -154,10 +172,10 @@ def verify_string(cert_string, issuer_string):
     :return: True if valid, False otherwise
     """
     with mktempfile() as cert_tmp:
-        with open(cert_tmp, 'w') as f:
+        with open(cert_tmp, "w") as f:
             f.write(cert_string)
         with mktempfile() as issuer_tmp:
-            with open(issuer_tmp, 'w') as f:
+            with open(issuer_tmp, "w") as f:
                 f.write(issuer_string)
             status = verify(cert_tmp, issuer_tmp)
     return status

lemur/certificates/views.py

@@ -26,14 +26,14 @@ from lemur.certificates.schemas import (
     certificate_upload_input_schema,
     certificates_output_schema,
     certificate_export_input_schema,
-    certificate_edit_input_schema
+    certificate_edit_input_schema,
 )
 
 from lemur.roles import service as role_service
 from lemur.logs import service as log_service
 
 
-mod = Blueprint('certificates', __name__)
+mod = Blueprint("certificates", __name__)
 api = Api(mod)
 
 
@@ -128,8 +128,8 @@ class CertificatesListValid(AuthenticatedResource):
         """
         parser = paginated_parser.copy()
         args = parser.parse_args()
-        args['user'] = g.user
+        args["user"] = g.user
-        common_name = args['filter'].split(';')[1]
+        common_name = args["filter"].split(";")[1]
         return service.query_common_name(common_name, args)
 
 
@@ -228,16 +228,18 @@ class CertificatesNameQuery(AuthenticatedResource):
 
         """
         parser = paginated_parser.copy()
-        parser.add_argument('timeRange', type=int, dest='time_range', location='args')
+        parser.add_argument("timeRange", type=int, dest="time_range", location="args")
-        parser.add_argument('owner', type=inputs.boolean, location='args')
+        parser.add_argument("owner", type=inputs.boolean, location="args")
-        parser.add_argument('id', type=str, location='args')
+        parser.add_argument("id", type=str, location="args")
-        parser.add_argument('active', type=inputs.boolean, location='args')
+        parser.add_argument("active", type=inputs.boolean, location="args")
-        parser.add_argument('destinationId', type=int, dest="destination_id", location='args')
+        parser.add_argument(
-        parser.add_argument('creator', type=str, location='args')
+            "destinationId", type=int, dest="destination_id", location="args"
-        parser.add_argument('show', type=str, location='args')
+        )
+        parser.add_argument("creator", type=str, location="args")
+        parser.add_argument("show", type=str, location="args")
 
         args = parser.parse_args()
-        args['user'] = g.user
+        args["user"] = g.user
         return service.query_name(certificate_name, args)
 
 
@@ -336,16 +338,18 @@ class CertificatesList(AuthenticatedResource):
 
         """
         parser = paginated_parser.copy()
-        parser.add_argument('timeRange', type=int, dest='time_range', location='args')
+        parser.add_argument("timeRange", type=int, dest="time_range", location="args")
-        parser.add_argument('owner', type=inputs.boolean, location='args')
+        parser.add_argument("owner", type=inputs.boolean, location="args")
-        parser.add_argument('id', type=str, location='args')
+        parser.add_argument("id", type=str, location="args")
-        parser.add_argument('active', type=inputs.boolean, location='args')
+        parser.add_argument("active", type=inputs.boolean, location="args")
-        parser.add_argument('destinationId', type=int, dest="destination_id", location='args')
+        parser.add_argument(
-        parser.add_argument('creator', type=str, location='args')
+            "destinationId", type=int, dest="destination_id", location="args"
-        parser.add_argument('show', type=str, location='args')
+        )
+        parser.add_argument("creator", type=str, location="args")
+        parser.add_argument("show", type=str, location="args")
 
         args = parser.parse_args()
-        args['user'] = g.user
+        args["user"] = g.user
         return service.render(args)
 
     @validate_schema(certificate_input_schema, certificate_output_schema)
@@ -463,24 +467,31 @@ class CertificatesList(AuthenticatedResource):
            :statuscode 403: unauthenticated
 
         """
-        role = role_service.get_by_name(data['authority'].owner)
+        role = role_service.get_by_name(data["authority"].owner)
 
         # all the authority role members should be allowed
-        roles = [x.name for x in data['authority'].roles]
+        roles = [x.name for x in data["authority"].roles]
 
         # allow "owner" roles by team DL
         roles.append(role)
-        authority_permission = AuthorityPermission(data['authority'].id, roles)
+        authority_permission = AuthorityPermission(data["authority"].id, roles)
 
         if authority_permission.can():
-            data['creator'] = g.user
+            data["creator"] = g.user
             cert = service.create(**data)
             if isinstance(cert, Certificate):
                 # only log if created, not pending
-                log_service.create(g.user, 'create_cert', certificate=cert)
+                log_service.create(g.user, "create_cert", certificate=cert)
             return cert
 
-        return dict(message="You are not authorized to use the authority: {0}".format(data['authority'].name)), 403
+        return (
+            dict(
+                message="You are not authorized to use the authority: {0}".format(
+                    data["authority"].name
+                )
+            ),
+            403,
+        )
 
 
 class CertificatesUpload(AuthenticatedResource):
@@ -583,12 +594,14 @@ class CertificatesUpload(AuthenticatedResource):
            :statuscode 200: no error
 
         """
-        data['creator'] = g.user
+        data["creator"] = g.user
-        if data.get('destinations'):
+        if data.get("destinations"):
-            if data.get('private_key'):
+            if data.get("private_key"):
                 return service.upload(**data)
             else:
-                raise Exception("Private key must be provided in order to upload certificate to AWS")
+                raise Exception(
+                    "Private key must be provided in order to upload certificate to AWS"
+                )
         return service.upload(**data)
 
 
@@ -600,10 +613,12 @@ class CertificatesStats(AuthenticatedResource):
         super(CertificatesStats, self).__init__()
 
     def get(self):
-        self.reqparse.add_argument('metric', type=str, location='args')
+        self.reqparse.add_argument("metric", type=str, location="args")
-        self.reqparse.add_argument('range', default=32, type=int, location='args')
+        self.reqparse.add_argument("range", default=32, type=int, location="args")
-        self.reqparse.add_argument('destinationId', dest='destination_id', location='args')
+        self.reqparse.add_argument(
-        self.reqparse.add_argument('active', type=str, default='true', location='args')
+            "destinationId", dest="destination_id", location="args"
+        )
+        self.reqparse.add_argument("active", type=str, default="true", location="args")
 
         args = self.reqparse.parse_args()
 
@@ -655,12 +670,12 @@ class CertificatePrivateKey(AuthenticatedResource):
             permission = CertificatePermission(owner_role, [x.name for x in cert.roles])
 
             if not permission.can():
-                return dict(message='You are not authorized to view this key'), 403
+                return dict(message="You are not authorized to view this key"), 403
 
-        log_service.create(g.current_user, 'key_view', certificate=cert)
+        log_service.create(g.current_user, "key_view", certificate=cert)
         response = make_response(jsonify(key=cert.private_key), 200)
-        response.headers['cache-control'] = 'private, max-age=0, no-cache, no-store'
+        response.headers["cache-control"] = "private, max-age=0, no-cache, no-store"
-        response.headers['pragma'] = 'no-cache'
+        response.headers["pragma"] = "no-cache"
         return response
 
 
@@ -850,19 +865,25 @@ class Certificates(AuthenticatedResource):
             permission = CertificatePermission(owner_role, [x.name for x in cert.roles])
 
             if not permission.can():
-                return dict(message='You are not authorized to update this certificate'), 403
+                return (
+                    dict(message="You are not authorized to update this certificate"),
+                    403,
+                )
 
-        for destination in data['destinations']:
+        for destination in data["destinations"]:
             if destination.plugin.requires_key:
                 if not cert.private_key:
-                    return dict(
+                    return (
-                        message='Unable to add destination: {0}. Certificate does not have required private key.'.format(
+                        dict(
+                            message="Unable to add destination: {0}. Certificate does not have required private key.".format(
                                 destination.label
                             )
-                    ), 400
+                        ),
+                        400,
+                    )
 
         cert = service.update(certificate_id, **data)
-        log_service.create(g.current_user, 'update_cert', certificate=cert)
+        log_service.create(g.current_user, "update_cert", certificate=cert)
         return cert
 
     def delete(self, certificate_id, data=None):
@@ -891,7 +912,7 @@ class Certificates(AuthenticatedResource):
            :statuscode 405: certificate deletion is disabled
 
         """
-        if not current_app.config.get('ALLOW_CERT_DELETION', False):
+        if not current_app.config.get("ALLOW_CERT_DELETION", False):
             return dict(message="Certificate deletion is disabled"), 405
 
         cert = service.get(certificate_id)
@@ -908,11 +929,14 @@ class Certificates(AuthenticatedResource):
             permission = CertificatePermission(owner_role, [x.name for x in cert.roles])
 
             if not permission.can():
-                return dict(message='You are not authorized to delete this certificate'), 403
+                return (
+                    dict(message="You are not authorized to delete this certificate"),
+                    403,
+                )
 
         service.update(certificate_id, deleted=True)
-        log_service.create(g.current_user, 'delete_cert', certificate=cert)
+        log_service.create(g.current_user, "delete_cert", certificate=cert)
-        return 'Certificate deleted', 204
+        return "Certificate deleted", 204
 
 
 class NotificationCertificatesList(AuthenticatedResource):
@@ -1012,17 +1036,19 @@ class NotificationCertificatesList(AuthenticatedResource):
 
         """
         parser = paginated_parser.copy()
-        parser.add_argument('timeRange', type=int, dest='time_range', location='args')
+        parser.add_argument("timeRange", type=int, dest="time_range", location="args")
-        parser.add_argument('owner', type=inputs.boolean, location='args')
+        parser.add_argument("owner", type=inputs.boolean, location="args")
-        parser.add_argument('id', type=str, location='args')
+        parser.add_argument("id", type=str, location="args")
-        parser.add_argument('active', type=inputs.boolean, location='args')
+        parser.add_argument("active", type=inputs.boolean, location="args")
-        parser.add_argument('destinationId', type=int, dest="destination_id", location='args')
+        parser.add_argument(
-        parser.add_argument('creator', type=str, location='args')
+            "destinationId", type=int, dest="destination_id", location="args"
-        parser.add_argument('show', type=str, location='args')
+        )
+        parser.add_argument("creator", type=str, location="args")
+        parser.add_argument("show", type=str, location="args")
 
         args = parser.parse_args()
-        args['notification_id'] = notification_id
+        args["notification_id"] = notification_id
-        args['user'] = g.current_user
+        args["user"] = g.current_user
         return service.render(args)
 
 
@@ -1195,30 +1221,48 @@ class CertificateExport(AuthenticatedResource):
         if not cert:
             return dict(message="Cannot find specified certificate"), 404
 
-        plugin = data['plugin']['plugin_object']
+        plugin = data["plugin"]["plugin_object"]
 
         if plugin.requires_key:
             if not cert.private_key:
-                return dict(
+                return (
-                    message='Unable to export certificate, plugin: {0} requires a private key but no key was found.'.format(
+                    dict(
-                        plugin.slug)), 400
+                        message="Unable to export certificate, plugin: {0} requires a private key but no key was found.".format(
+                            plugin.slug
+                        )
+                    ),
+                    400,
+                )
 
             else:
                 # allow creators
                 if g.current_user != cert.user:
                     owner_role = role_service.get_by_name(cert.owner)
-                    permission = CertificatePermission(owner_role, [x.name for x in cert.roles])
+                    permission = CertificatePermission(
+                        owner_role, [x.name for x in cert.roles]
+                    )
 
                     if not permission.can():
-                        return dict(message='You are not authorized to export this certificate.'), 403
+                        return (
+                            dict(
+                                message="You are not authorized to export this certificate."
+                            ),
+                            403,
+                        )
 
-        options = data['plugin']['plugin_options']
+        options = data["plugin"]["plugin_options"]
 
-        log_service.create(g.current_user, 'key_view', certificate=cert)
+        log_service.create(g.current_user, "key_view", certificate=cert)
-        extension, passphrase, data = plugin.export(cert.body, cert.chain, cert.private_key, options)
+        extension, passphrase, data = plugin.export(
+            cert.body, cert.chain, cert.private_key, options
+        )
 
         # we take a hit in message size when b64 encoding
-        return dict(extension=extension, passphrase=passphrase, data=base64.b64encode(data).decode('utf-8'))
+        return dict(
+            extension=extension,
+            passphrase=passphrase,
+            data=base64.b64encode(data).decode("utf-8"),
+        )
 
 
 class CertificateRevoke(AuthenticatedResource):
@@ -1269,30 +1313,66 @@ class CertificateRevoke(AuthenticatedResource):
             permission = CertificatePermission(owner_role, [x.name for x in cert.roles])
 
             if not permission.can():
-                return dict(message='You are not authorized to revoke this certificate.'), 403
+                return (
+                    dict(message="You are not authorized to revoke this certificate."),
+                    403,
+                )
 
         if not cert.external_id:
-            return dict(message='Cannot revoke certificate. No external id found.'), 400
+            return dict(message="Cannot revoke certificate. No external id found."), 400
 
         if cert.endpoints:
-            return dict(message='Cannot revoke certificate. Endpoints are deployed with the given certificate.'), 403
+            return (
+                dict(
+                    message="Cannot revoke certificate. Endpoints are deployed with the given certificate."
+                ),
+                403,
+            )
 
         plugin = plugins.get(cert.authority.plugin_name)
         plugin.revoke_certificate(cert, data)
-        log_service.create(g.current_user, 'revoke_cert', certificate=cert)
+        log_service.create(g.current_user, "revoke_cert", certificate=cert)
         return dict(id=cert.id)
 
 
-api.add_resource(CertificateRevoke, '/certificates/<int:certificate_id>/revoke', endpoint='revokeCertificate')
+api.add_resource(
-api.add_resource(CertificatesNameQuery, '/certificates/name/<string:certificate_name>', endpoint='certificatesNameQuery')
+    CertificateRevoke,
-api.add_resource(CertificatesList, '/certificates', endpoint='certificates')
+    "/certificates/<int:certificate_id>/revoke",
-api.add_resource(CertificatesListValid, '/certificates/valid', endpoint='certificatesListValid')
+    endpoint="revokeCertificate",
-api.add_resource(Certificates, '/certificates/<int:certificate_id>', endpoint='certificate')
+)
-api.add_resource(CertificatesStats, '/certificates/stats', endpoint='certificateStats')
+api.add_resource(
-api.add_resource(CertificatesUpload, '/certificates/upload', endpoint='certificateUpload')
+    CertificatesNameQuery,
-api.add_resource(CertificatePrivateKey, '/certificates/<int:certificate_id>/key', endpoint='privateKeyCertificates')
+    "/certificates/name/<string:certificate_name>",
-api.add_resource(CertificateExport, '/certificates/<int:certificate_id>/export', endpoint='exportCertificate')
+    endpoint="certificatesNameQuery",
-api.add_resource(NotificationCertificatesList, '/notifications/<int:notification_id>/certificates',
+)
-                 endpoint='notificationCertificates')
+api.add_resource(CertificatesList, "/certificates", endpoint="certificates")
-api.add_resource(CertificatesReplacementsList, '/certificates/<int:certificate_id>/replacements',
+api.add_resource(
-                 endpoint='replacements')
+    CertificatesListValid, "/certificates/valid", endpoint="certificatesListValid"
+)
+api.add_resource(
+    Certificates, "/certificates/<int:certificate_id>", endpoint="certificate"
+)
+api.add_resource(CertificatesStats, "/certificates/stats", endpoint="certificateStats")
+api.add_resource(
+    CertificatesUpload, "/certificates/upload", endpoint="certificateUpload"
+)
+api.add_resource(
+    CertificatePrivateKey,
+    "/certificates/<int:certificate_id>/key",
+    endpoint="privateKeyCertificates",
+)
+api.add_resource(
+    CertificateExport,
+    "/certificates/<int:certificate_id>/export",
+    endpoint="exportCertificate",
+)
+api.add_resource(
+    NotificationCertificatesList,
+    "/notifications/<int:notification_id>/certificates",
+    endpoint="notificationCertificates",
+)
+api.add_resource(
+    CertificatesReplacementsList,
+    "/certificates/<int:certificate_id>/replacements",
+    endpoint="replacements",
+)

lemur/common/celery.py

@@ -32,8 +32,11 @@ else:
 
 
 def make_celery(app):
-    celery = Celery(app.import_name, backend=app.config.get('CELERY_RESULT_BACKEND'),
+    celery = Celery(
-                    broker=app.config.get('CELERY_BROKER_URL'))
+        app.import_name,
+        backend=app.config.get("CELERY_RESULT_BACKEND"),
+        broker=app.config.get("CELERY_BROKER_URL"),
+    )
     celery.conf.update(app.config)
     TaskBase = celery.Task
 
@@ -53,6 +56,7 @@ celery = make_celery(flask_app)
 
 def is_task_active(fun, task_id, args):
     from celery.task.control import inspect
+
     i = inspect()
     active_tasks = i.active()
     for _, tasks in active_tasks.items():
@@ -99,7 +103,7 @@ def fetch_acme_cert(id):
     # We only care about certs using the acme-issuer plugin
     for cert in pending_certs:
         cert_authority = get_authority(cert.authority_id)
-        if cert_authority.plugin_name == 'acme-issuer':
+        if cert_authority.plugin_name == "acme-issuer":
             acme_certs.append(cert)
         else:
             wrong_issuer += 1
@@ -112,20 +116,22 @@ def fetch_acme_cert(id):
         # It's necessary to reload the pending cert due to detached instance: http://sqlalche.me/e/bhk3
         pending_cert = pending_certificate_service.get(cert.get("pending_cert").id)
         if not pending_cert:
-            log_data["message"] = "Pending certificate doesn't exist anymore. Was it resolved by another process?"
+            log_data[
+                "message"
+            ] = "Pending certificate doesn't exist anymore. Was it resolved by another process?"
             current_app.logger.error(log_data)
             continue
         if real_cert:
             # If a real certificate was returned from issuer, then create it in Lemur and mark
             # the pending certificate as resolved
-            final_cert = pending_certificate_service.create_certificate(pending_cert, real_cert, pending_cert.user)
+            final_cert = pending_certificate_service.create_certificate(
-            pending_certificate_service.update(
+                pending_cert, real_cert, pending_cert.user
-                cert.get("pending_cert").id,
-                resolved_cert_id=final_cert.id
             )
             pending_certificate_service.update(
-                cert.get("pending_cert").id,
+                cert.get("pending_cert").id, resolved_cert_id=final_cert.id
-                resolved=True
+            )
+            pending_certificate_service.update(
+                cert.get("pending_cert").id, resolved=True
             )
             # add metrics to metrics extension
             new += 1
@@ -139,17 +145,17 @@ def fetch_acme_cert(id):
 
             if pending_cert.number_attempts > 4:
                 error_log["message"] = "Deleting pending certificate"
-                send_pending_failure_notification(pending_cert, notify_owner=pending_cert.notify)
+                send_pending_failure_notification(
+                    pending_cert, notify_owner=pending_cert.notify
+                )
                 # Mark the pending cert as resolved
                 pending_certificate_service.update(
-                    cert.get("pending_cert").id,
+                    cert.get("pending_cert").id, resolved=True
-                    resolved=True
                 )
             else:
                 pending_certificate_service.increment_attempt(pending_cert)
                 pending_certificate_service.update(
-                    cert.get("pending_cert").id,
+                    cert.get("pending_cert").id, status=str(cert.get("last_error"))
-                    status=str(cert.get("last_error"))
                 )
                 # Add failed pending cert task back to queue
                 fetch_acme_cert.delay(id)
@@ -161,9 +167,7 @@ def fetch_acme_cert(id):
     current_app.logger.debug(log_data)
     print(
         "[+] Certificates: New: {new} Failed: {failed} Not using ACME: {wrong_issuer}".format(
-            new=new,
+            new=new, failed=failed, wrong_issuer=wrong_issuer
-            failed=failed,
-            wrong_issuer=wrong_issuer
         )
     )
 
@@ -175,7 +179,7 @@ def fetch_all_pending_acme_certs():
 
     log_data = {
         "function": "{}.{}".format(__name__, sys._getframe().f_code.co_name),
-        "message": "Starting job."
+        "message": "Starting job.",
     }
 
     current_app.logger.debug(log_data)
@@ -183,7 +187,7 @@ def fetch_all_pending_acme_certs():
     # We only care about certs using the acme-issuer plugin
     for cert in pending_certs:
         cert_authority = get_authority(cert.authority_id)
-        if cert_authority.plugin_name == 'acme-issuer':
+        if cert_authority.plugin_name == "acme-issuer":
             if datetime.now(timezone.utc) - cert.last_updated > timedelta(minutes=5):
                 log_data["message"] = "Triggering job for cert {}".format(cert.name)
                 log_data["cert_name"] = cert.name
@@ -195,17 +199,15 @@ def fetch_all_pending_acme_certs():
 @celery.task()
 def remove_old_acme_certs():
     """Prune old pending acme certificates from the database"""
-    log_data = {
+    log_data = {"function": "{}.{}".format(__name__, sys._getframe().f_code.co_name)}
-        "function": "{}.{}".format(__name__, sys._getframe().f_code.co_name)
+    pending_certs = pending_certificate_service.get_pending_certs("all")
-    }
-    pending_certs = pending_certificate_service.get_pending_certs('all')
 
     # Delete pending certs more than a week old
     for cert in pending_certs:
         if datetime.now(timezone.utc) - cert.last_updated > timedelta(days=7):
-            log_data['pending_cert_id'] = cert.id
+            log_data["pending_cert_id"] = cert.id
-            log_data['pending_cert_name'] = cert.name
+            log_data["pending_cert_name"] = cert.name
-            log_data['message'] = "Deleting pending certificate"
+            log_data["message"] = "Deleting pending certificate"
             current_app.logger.debug(log_data)
             pending_certificate_service.delete(cert)
 
@@ -218,7 +220,9 @@ def clean_all_sources():
     """
     sources = validate_sources("all")
     for source in sources:
-        current_app.logger.debug("Creating celery task to clean source {}".format(source.label))
+        current_app.logger.debug(
+            "Creating celery task to clean source {}".format(source.label)
+        )
         clean_source.delay(source.label)
 
 
@@ -242,7 +246,9 @@ def sync_all_sources():
     """
     sources = validate_sources("all")
     for source in sources:
-        current_app.logger.debug("Creating celery task to sync source {}".format(source.label))
+        current_app.logger.debug(
+            "Creating celery task to sync source {}".format(source.label)
+        )
         sync_source.delay(source.label)
 
 
@@ -277,7 +283,9 @@ def sync_source(source):
         log_data["message"] = "Error syncing source: Time limit exceeded."
         current_app.logger.error(log_data)
         sentry.captureException()
-        metrics.send('sync_source_timeout', 'counter', 1, metric_tags={'source': source})
+        metrics.send(
+            "sync_source_timeout", "counter", 1, metric_tags={"source": source}
+        )
         return
 
     log_data["message"] = "Done syncing source"

lemur/common/defaults.py

@@ -9,18 +9,20 @@ from lemur.extensions import sentry
 from lemur.constants import SAN_NAMING_TEMPLATE, DEFAULT_NAMING_TEMPLATE
 
 
-def text_to_slug(value, joiner='-'):
+def text_to_slug(value, joiner="-"):
     """
     Normalize a string to a "slug" value, stripping character accents and removing non-alphanum characters.
     A series of non-alphanumeric characters is replaced with the joiner character.
     """
 
     # Strip all character accents: decompose Unicode characters and then drop combining chars.
-    value = ''.join(c for c in unicodedata.normalize('NFKD', value) if not unicodedata.combining(c))
+    value = "".join(
+        c for c in unicodedata.normalize("NFKD", value) if not unicodedata.combining(c)
+    )
 
     # Replace all remaining non-alphanumeric characters with joiner string. Multiple characters get collapsed into a
     # single joiner. Except, keep 'xn--' used in IDNA domain names as is.
-    value = re.sub(r'[^A-Za-z0-9.]+(?<!xn--)', joiner, value)
+    value = re.sub(r"[^A-Za-z0-9.]+(?<!xn--)", joiner, value)
 
     # '-' in the beginning or end of string looks ugly.
     return value.strip(joiner)
@@ -48,12 +50,12 @@ def certificate_name(common_name, issuer, not_before, not_after, san):
 
     temp = t.format(
         subject=common_name,
-        issuer=issuer.replace(' ', ''),
+        issuer=issuer.replace(" ", ""),
-        not_before=not_before.strftime('%Y%m%d'),
+        not_before=not_before.strftime("%Y%m%d"),
-        not_after=not_after.strftime('%Y%m%d')
+        not_after=not_after.strftime("%Y%m%d"),
     )
 
-    temp = temp.replace('*', "WILDCARD")
+    temp = temp.replace("*", "WILDCARD")
     return text_to_slug(temp)
 
 
@@ -69,9 +71,9 @@ def common_name(cert):
     :return: Common name or None
     """
     try:
-        return cert.subject.get_attributes_for_oid(
+        return cert.subject.get_attributes_for_oid(x509.OID_COMMON_NAME)[
-            x509.OID_COMMON_NAME
+            0
-        )[0].value.strip()
+        ].value.strip()
     except Exception as e:
         sentry.captureException()
         current_app.logger.error("Unable to get common name! {0}".format(e))
@@ -84,9 +86,9 @@ def organization(cert):
     :return:
     """
     try:
-        return cert.subject.get_attributes_for_oid(
+        return cert.subject.get_attributes_for_oid(x509.OID_ORGANIZATION_NAME)[
-            x509.OID_ORGANIZATION_NAME
+            0
-        )[0].value.strip()
+        ].value.strip()
     except Exception as e:
         sentry.captureException()
         current_app.logger.error("Unable to get organization! {0}".format(e))
@@ -99,9 +101,9 @@ def organizational_unit(cert):
     :return:
     """
     try:
-        return cert.subject.get_attributes_for_oid(
+        return cert.subject.get_attributes_for_oid(x509.OID_ORGANIZATIONAL_UNIT_NAME)[
-            x509.OID_ORGANIZATIONAL_UNIT_NAME
+            0
-        )[0].value.strip()
+        ].value.strip()
     except Exception as e:
         sentry.captureException()
         current_app.logger.error("Unable to get organizational unit! {0}".format(e))
@@ -114,9 +116,9 @@ def country(cert):
     :return:
     """
     try:
-        return cert.subject.get_attributes_for_oid(
+        return cert.subject.get_attributes_for_oid(x509.OID_COUNTRY_NAME)[
-            x509.OID_COUNTRY_NAME
+            0
-        )[0].value.strip()
+        ].value.strip()
     except Exception as e:
         sentry.captureException()
         current_app.logger.error("Unable to get country! {0}".format(e))
@@ -129,9 +131,9 @@ def state(cert):
     :return:
     """
     try:
-        return cert.subject.get_attributes_for_oid(
+        return cert.subject.get_attributes_for_oid(x509.OID_STATE_OR_PROVINCE_NAME)[
-            x509.OID_STATE_OR_PROVINCE_NAME
+            0
-        )[0].value.strip()
+        ].value.strip()
     except Exception as e:
         sentry.captureException()
         current_app.logger.error("Unable to get state! {0}".format(e))
@@ -144,9 +146,9 @@ def location(cert):
     :return:
     """
     try:
-        return cert.subject.get_attributes_for_oid(
+        return cert.subject.get_attributes_for_oid(x509.OID_LOCALITY_NAME)[
-            x509.OID_LOCALITY_NAME
+            0
-        )[0].value.strip()
+        ].value.strip()
     except Exception as e:
         sentry.captureException()
         current_app.logger.error("Unable to get location! {0}".format(e))
@@ -224,7 +226,7 @@ def bitstrength(cert):
         return cert.public_key().key_size
     except AttributeError:
         sentry.captureException()
-        current_app.logger.debug('Unable to get bitstrength.')
+        current_app.logger.debug("Unable to get bitstrength.")
 
 
 def issuer(cert):
@@ -239,16 +241,19 @@ def issuer(cert):
     """
     # If certificate is self-signed, we return a special value -- there really is no distinct "issuer" for it
     if is_selfsigned(cert):
-        return '<selfsigned>'
+        return "<selfsigned>"
 
     # Try Common Name or fall back to Organization name
-    attrs = (cert.issuer.get_attributes_for_oid(x509.OID_COMMON_NAME) or
+    attrs = cert.issuer.get_attributes_for_oid(
-             cert.issuer.get_attributes_for_oid(x509.OID_ORGANIZATION_NAME))
+        x509.OID_COMMON_NAME
+    ) or cert.issuer.get_attributes_for_oid(x509.OID_ORGANIZATION_NAME)
     if not attrs:
-        current_app.logger.error("Unable to get issuer! Cert serial {:x}".format(cert.serial_number))
+        current_app.logger.error(
-        return '<unknown>'
+            "Unable to get issuer! Cert serial {:x}".format(cert.serial_number)
+        )
+        return "<unknown>"
 
-    return text_to_slug(attrs[0].value, '')
+    return text_to_slug(attrs[0].value, "")
 
 
 def not_before(cert):

lemur/common/fields.py

@@ -25,6 +25,7 @@ class Hex(Field):
     """
     A hex formatted string.
     """
+
     def _serialize(self, value, attr, obj):
         if value:
             value = hex(int(value))[2:].upper()
@@ -48,25 +49,25 @@ class ArrowDateTime(Field):
     """
 
     DATEFORMAT_SERIALIZATION_FUNCS = {
-        'iso': utils.isoformat,
+        "iso": utils.isoformat,
-        'iso8601': utils.isoformat,
+        "iso8601": utils.isoformat,
-        'rfc': utils.rfcformat,
+        "rfc": utils.rfcformat,
-        'rfc822': utils.rfcformat,
+        "rfc822": utils.rfcformat,
     }
 
     DATEFORMAT_DESERIALIZATION_FUNCS = {
-        'iso': utils.from_iso,
+        "iso": utils.from_iso,
-        'iso8601': utils.from_iso,
+        "iso8601": utils.from_iso,
-        'rfc': utils.from_rfc,
+        "rfc": utils.from_rfc,
-        'rfc822': utils.from_rfc,
+        "rfc822": utils.from_rfc,
     }
 
-    DEFAULT_FORMAT = 'iso'
+    DEFAULT_FORMAT = "iso"
 
     localtime = False
     default_error_messages = {
-        'invalid': 'Not a valid datetime.',
+        "invalid": "Not a valid datetime.",
-        'format': '"{input}" cannot be formatted as a datetime.',
+        "format": '"{input}" cannot be formatted as a datetime.',
     }
 
     def __init__(self, format=None, **kwargs):
@@ -89,34 +90,36 @@ class ArrowDateTime(Field):
             try:
                 return format_func(value, localtime=self.localtime)
             except (AttributeError, ValueError) as err:
-                self.fail('format', input=value)
+                self.fail("format", input=value)
         else:
             return value.strftime(self.dateformat)
 
     def _deserialize(self, value, attr, data):
         if not value:  # Falsy values, e.g. '', None, [] are not valid
-            raise self.fail('invalid')
+            raise self.fail("invalid")
         self.dateformat = self.dateformat or self.DEFAULT_FORMAT
         func = self.DATEFORMAT_DESERIALIZATION_FUNCS.get(self.dateformat)
         if func:
             try:
                 return arrow.get(func(value))
             except (TypeError, AttributeError, ValueError):
-                raise self.fail('invalid')
+                raise self.fail("invalid")
         elif self.dateformat:
             try:
                 return dt.datetime.strptime(value, self.dateformat)
             except (TypeError, AttributeError, ValueError):
-                raise self.fail('invalid')
+                raise self.fail("invalid")
         elif utils.dateutil_available:
             try:
                 return arrow.get(utils.from_datestring(value))
             except TypeError:
-                raise self.fail('invalid')
+                raise self.fail("invalid")
         else:
-            warnings.warn('It is recommended that you install python-dateutil '
+            warnings.warn(
-                          'for improved datetime deserialization.')
+                "It is recommended that you install python-dateutil "
-            raise self.fail('invalid')
+                "for improved datetime deserialization."
+            )
+            raise self.fail("invalid")
 
 
 class KeyUsageExtension(Field):
@@ -131,73 +134,75 @@ class KeyUsageExtension(Field):
 
     def _serialize(self, value, attr, obj):
         return {
-            'useDigitalSignature': value.digital_signature,
+            "useDigitalSignature": value.digital_signature,
-            'useNonRepudiation': value.content_commitment,
+            "useNonRepudiation": value.content_commitment,
-            'useKeyEncipherment': value.key_encipherment,
+            "useKeyEncipherment": value.key_encipherment,
-            'useDataEncipherment': value.data_encipherment,
+            "useDataEncipherment": value.data_encipherment,
-            'useKeyAgreement': value.key_agreement,
+            "useKeyAgreement": value.key_agreement,
-            'useKeyCertSign': value.key_cert_sign,
+            "useKeyCertSign": value.key_cert_sign,
-            'useCRLSign': value.crl_sign,
+            "useCRLSign": value.crl_sign,
-            'useEncipherOnly': value._encipher_only,
+            "useEncipherOnly": value._encipher_only,
-            'useDecipherOnly': value._decipher_only
+            "useDecipherOnly": value._decipher_only,
         }
 
     def _deserialize(self, value, attr, data):
         keyusages = {
-            'digital_signature': False,
+            "digital_signature": False,
-            'content_commitment': False,
+            "content_commitment": False,
-            'key_encipherment': False,
+            "key_encipherment": False,
-            'data_encipherment': False,
+            "data_encipherment": False,
-            'key_agreement': False,
+            "key_agreement": False,
-            'key_cert_sign': False,
+            "key_cert_sign": False,
-            'crl_sign': False,
+            "crl_sign": False,
-            'encipher_only': False,
+            "encipher_only": False,
-            'decipher_only': False
+            "decipher_only": False,
         }
 
         for k, v in value.items():
-            if k == 'useDigitalSignature':
+            if k == "useDigitalSignature":
-                keyusages['digital_signature'] = v
+                keyusages["digital_signature"] = v
 
-            elif k == 'useNonRepudiation':
+            elif k == "useNonRepudiation":
-                keyusages['content_commitment'] = v
+                keyusages["content_commitment"] = v
 
-            elif k == 'useKeyEncipherment':
+            elif k == "useKeyEncipherment":
-                keyusages['key_encipherment'] = v
+                keyusages["key_encipherment"] = v
 
-            elif k == 'useDataEncipherment':
+            elif k == "useDataEncipherment":
-                keyusages['data_encipherment'] = v
+                keyusages["data_encipherment"] = v
 
-            elif k == 'useKeyCertSign':
+            elif k == "useKeyCertSign":
-                keyusages['key_cert_sign'] = v
+                keyusages["key_cert_sign"] = v
 
-            elif k == 'useCRLSign':
+            elif k == "useCRLSign":
-                keyusages['crl_sign'] = v
+                keyusages["crl_sign"] = v
 
-            elif k == 'useKeyAgreement':
+            elif k == "useKeyAgreement":
-                keyusages['key_agreement'] = v
+                keyusages["key_agreement"] = v
 
-            elif k == 'useEncipherOnly' and v:
+            elif k == "useEncipherOnly" and v:
-                keyusages['encipher_only'] = True
+                keyusages["encipher_only"] = True
-                keyusages['key_agreement'] = True
+                keyusages["key_agreement"] = True
 
-            elif k == 'useDecipherOnly' and v:
+            elif k == "useDecipherOnly" and v:
-                keyusages['decipher_only'] = True
+                keyusages["decipher_only"] = True
-                keyusages['key_agreement'] = True
+                keyusages["key_agreement"] = True
 
-        if keyusages['encipher_only'] and keyusages['decipher_only']:
+        if keyusages["encipher_only"] and keyusages["decipher_only"]:
-            raise ValidationError('A certificate cannot have both Encipher Only and Decipher Only Extended Key Usages.')
+            raise ValidationError(
+                "A certificate cannot have both Encipher Only and Decipher Only Extended Key Usages."
+            )
 
         return x509.KeyUsage(
-            digital_signature=keyusages['digital_signature'],
+            digital_signature=keyusages["digital_signature"],
-            content_commitment=keyusages['content_commitment'],
+            content_commitment=keyusages["content_commitment"],
-            key_encipherment=keyusages['key_encipherment'],
+            key_encipherment=keyusages["key_encipherment"],
-            data_encipherment=keyusages['data_encipherment'],
+            data_encipherment=keyusages["data_encipherment"],
-            key_agreement=keyusages['key_agreement'],
+            key_agreement=keyusages["key_agreement"],
-            key_cert_sign=keyusages['key_cert_sign'],
+            key_cert_sign=keyusages["key_cert_sign"],
-            crl_sign=keyusages['crl_sign'],
+            crl_sign=keyusages["crl_sign"],
-            encipher_only=keyusages['encipher_only'],
+            encipher_only=keyusages["encipher_only"],
-            decipher_only=keyusages['decipher_only']
+            decipher_only=keyusages["decipher_only"],
         )
 
 
@@ -216,69 +221,77 @@ class ExtendedKeyUsageExtension(Field):
         usage_list = {}
         for usage in usages:
             if usage == x509.oid.ExtendedKeyUsageOID.CLIENT_AUTH:
-                usage_list['useClientAuthentication'] = True
+                usage_list["useClientAuthentication"] = True
 
             elif usage == x509.oid.ExtendedKeyUsageOID.SERVER_AUTH:
-                usage_list['useServerAuthentication'] = True
+                usage_list["useServerAuthentication"] = True
 
             elif usage == x509.oid.ExtendedKeyUsageOID.CODE_SIGNING:
-                usage_list['useCodeSigning'] = True
+                usage_list["useCodeSigning"] = True
 
             elif usage == x509.oid.ExtendedKeyUsageOID.EMAIL_PROTECTION:
-                usage_list['useEmailProtection'] = True
+                usage_list["useEmailProtection"] = True
 
             elif usage == x509.oid.ExtendedKeyUsageOID.TIME_STAMPING:
-                usage_list['useTimestamping'] = True
+                usage_list["useTimestamping"] = True
 
             elif usage == x509.oid.ExtendedKeyUsageOID.OCSP_SIGNING:
-                usage_list['useOCSPSigning'] = True
+                usage_list["useOCSPSigning"] = True
 
-            elif usage.dotted_string == '1.3.6.1.5.5.7.3.14':
+            elif usage.dotted_string == "1.3.6.1.5.5.7.3.14":
-                usage_list['useEapOverLAN'] = True
+                usage_list["useEapOverLAN"] = True
 
-            elif usage.dotted_string == '1.3.6.1.5.5.7.3.13':
+            elif usage.dotted_string == "1.3.6.1.5.5.7.3.13":
-                usage_list['useEapOverPPP'] = True
+                usage_list["useEapOverPPP"] = True
 
-            elif usage.dotted_string == '1.3.6.1.4.1.311.20.2.2':
+            elif usage.dotted_string == "1.3.6.1.4.1.311.20.2.2":
-                usage_list['useSmartCardLogon'] = True
+                usage_list["useSmartCardLogon"] = True
 
             else:
-                current_app.logger.warning('Unable to serialize ExtendedKeyUsage with OID: {usage}'.format(usage=usage.dotted_string))
+                current_app.logger.warning(
+                    "Unable to serialize ExtendedKeyUsage with OID: {usage}".format(
+                        usage=usage.dotted_string
+                    )
+                )
 
         return usage_list
 
     def _deserialize(self, value, attr, data):
         usage_oids = []
         for k, v in value.items():
-            if k == 'useClientAuthentication' and v:
+            if k == "useClientAuthentication" and v:
                 usage_oids.append(x509.oid.ExtendedKeyUsageOID.CLIENT_AUTH)
 
-            elif k == 'useServerAuthentication' and v:
+            elif k == "useServerAuthentication" and v:
                 usage_oids.append(x509.oid.ExtendedKeyUsageOID.SERVER_AUTH)
 
-            elif k == 'useCodeSigning' and v:
+            elif k == "useCodeSigning" and v:
                 usage_oids.append(x509.oid.ExtendedKeyUsageOID.CODE_SIGNING)
 
-            elif k == 'useEmailProtection' and v:
+            elif k == "useEmailProtection" and v:
                 usage_oids.append(x509.oid.ExtendedKeyUsageOID.EMAIL_PROTECTION)
 
-            elif k == 'useTimestamping' and v:
+            elif k == "useTimestamping" and v:
                 usage_oids.append(x509.oid.ExtendedKeyUsageOID.TIME_STAMPING)
 
-            elif k == 'useOCSPSigning' and v:
+            elif k == "useOCSPSigning" and v:
                 usage_oids.append(x509.oid.ExtendedKeyUsageOID.OCSP_SIGNING)
 
-            elif k == 'useEapOverLAN' and v:
+            elif k == "useEapOverLAN" and v:
                 usage_oids.append(x509.oid.ObjectIdentifier("1.3.6.1.5.5.7.3.14"))
 
-            elif k == 'useEapOverPPP' and v:
+            elif k == "useEapOverPPP" and v:
                 usage_oids.append(x509.oid.ObjectIdentifier("1.3.6.1.5.5.7.3.13"))
 
-            elif k == 'useSmartCardLogon' and v:
+            elif k == "useSmartCardLogon" and v:
                 usage_oids.append(x509.oid.ObjectIdentifier("1.3.6.1.4.1.311.20.2.2"))
 
             else:
-                current_app.logger.warning('Unable to deserialize ExtendedKeyUsage with name: {key}'.format(key=k))
+                current_app.logger.warning(
+                    "Unable to deserialize ExtendedKeyUsage with name: {key}".format(
+                        key=k
+                    )
+                )
 
         return x509.ExtendedKeyUsage(usage_oids)
 
@@ -294,15 +307,17 @@ class BasicConstraintsExtension(Field):
     """
 
     def _serialize(self, value, attr, obj):
-        return {'ca': value.ca, 'path_length': value.path_length}
+        return {"ca": value.ca, "path_length": value.path_length}
 
     def _deserialize(self, value, attr, data):
-        ca = value.get('ca', False)
+        ca = value.get("ca", False)
-        path_length = value.get('path_length', None)
+        path_length = value.get("path_length", None)
 
         if ca:
             if not isinstance(path_length, (type(None), int)):
-                raise ValidationError('A CA certificate path_length (for BasicConstraints) must be None or an integer.')
+                raise ValidationError(
+                    "A CA certificate path_length (for BasicConstraints) must be None or an integer."
+                )
             return x509.BasicConstraints(ca=True, path_length=path_length)
         else:
             return x509.BasicConstraints(ca=False, path_length=None)
@@ -317,6 +332,7 @@ class SubjectAlternativeNameExtension(Field):
     :param kwargs: The same keyword arguments that :class:`Field` receives.
 
     """
+
     def _serialize(self, value, attr, obj):
         general_names = []
         name_type = None
@@ -326,53 +342,59 @@ class SubjectAlternativeNameExtension(Field):
                 value = name.value
 
                 if isinstance(name, x509.DNSName):
-                    name_type = 'DNSName'
+                    name_type = "DNSName"
 
                 elif isinstance(name, x509.IPAddress):
                     if isinstance(value, ipaddress.IPv4Network):
-                        name_type = 'IPNetwork'
+                        name_type = "IPNetwork"
                     else:
-                        name_type = 'IPAddress'
+                        name_type = "IPAddress"
 
                     value = str(value)
 
                 elif isinstance(name, x509.UniformResourceIdentifier):
-                    name_type = 'uniformResourceIdentifier'
+                    name_type = "uniformResourceIdentifier"
 
                 elif isinstance(name, x509.DirectoryName):
-                    name_type = 'directoryName'
+                    name_type = "directoryName"
 
                 elif isinstance(name, x509.RFC822Name):
-                    name_type = 'rfc822Name'
+                    name_type = "rfc822Name"
 
                 elif isinstance(name, x509.RegisteredID):
-                    name_type = 'registeredID'
+                    name_type = "registeredID"
                     value = value.dotted_string
                 else:
-                    current_app.logger.warning('Unknown SubAltName type: {name}'.format(name=name))
+                    current_app.logger.warning(
+                        "Unknown SubAltName type: {name}".format(name=name)
+                    )
                     continue
 
-                general_names.append({'nameType': name_type, 'value': value})
+                general_names.append({"nameType": name_type, "value": value})
 
         return general_names
 
     def _deserialize(self, value, attr, data):
         general_names = []
         for name in value:
-            if name['nameType'] == 'DNSName':
+            if name["nameType"] == "DNSName":
-                validators.sensitive_domain(name['value'])
+                validators.sensitive_domain(name["value"])
-                general_names.append(x509.DNSName(name['value']))
+                general_names.append(x509.DNSName(name["value"]))
 
-            elif name['nameType'] == 'IPAddress':
+            elif name["nameType"] == "IPAddress":
-                general_names.append(x509.IPAddress(ipaddress.ip_address(name['value'])))
+                general_names.append(
+                    x509.IPAddress(ipaddress.ip_address(name["value"]))
+                )
 
-            elif name['nameType'] == 'IPNetwork':
+            elif name["nameType"] == "IPNetwork":
-                general_names.append(x509.IPAddress(ipaddress.ip_network(name['value'])))
+                general_names.append(
+                    x509.IPAddress(ipaddress.ip_network(name["value"]))
+                )
 
-            elif name['nameType'] == 'uniformResourceIdentifier':
+            elif name["nameType"] == "uniformResourceIdentifier":
-                general_names.append(x509.UniformResourceIdentifier(name['value']))
+                general_names.append(x509.UniformResourceIdentifier(name["value"]))
 
-            elif name['nameType'] == 'directoryName':
+            elif name["nameType"] == "directoryName":
                 # TODO: Need to parse a string in name['value'] like:
                 # 'CN=Common Name, O=Org Name, OU=OrgUnit Name, C=US, ST=ST, L=City/emailAddress=person@example.com'
                 # or
@@ -390,26 +412,32 @@ class SubjectAlternativeNameExtension(Field):
                 # general_names.append(x509.DirectoryName(x509.Name(BLAH))))
                 pass
 
-            elif name['nameType'] == 'rfc822Name':
+            elif name["nameType"] == "rfc822Name":
-                general_names.append(x509.RFC822Name(name['value']))
+                general_names.append(x509.RFC822Name(name["value"]))
 
-            elif name['nameType'] == 'registeredID':
+            elif name["nameType"] == "registeredID":
-                general_names.append(x509.RegisteredID(x509.ObjectIdentifier(name['value'])))
+                general_names.append(
+                    x509.RegisteredID(x509.ObjectIdentifier(name["value"]))
+                )
 
-            elif name['nameType'] == 'otherName':
+            elif name["nameType"] == "otherName":
                 # This has two inputs (type and value), so it doesn't fit the mold of the rest of these GeneralName entities.
                 # general_names.append(x509.OtherName(name['type'], bytes(name['value']), 'utf-8'))
                 pass
 
-            elif name['nameType'] == 'x400Address':
+            elif name["nameType"] == "x400Address":
                 # The Python Cryptography library doesn't support x400Address types (yet?)
                 pass
 
-            elif name['nameType'] == 'EDIPartyName':
+            elif name["nameType"] == "EDIPartyName":
                 # The Python Cryptography library doesn't support EDIPartyName types (yet?)
                 pass
 
             else:
-                current_app.logger.warning('Unable to deserialize SubAltName with type: {name_type}'.format(name_type=name['nameType']))
+                current_app.logger.warning(
+                    "Unable to deserialize SubAltName with type: {name_type}".format(
+                        name_type=name["nameType"]
+                    )
+                )
 
         return x509.SubjectAlternativeName(general_names)

lemur/common/health.py

@@ -10,20 +10,20 @@ from flask import Blueprint
 from lemur.database import db
 from lemur.extensions import sentry
 
-mod = Blueprint('healthCheck', __name__)
+mod = Blueprint("healthCheck", __name__)
 
 
-@mod.route('/healthcheck')
+@mod.route("/healthcheck")
 def health():
     try:
         if healthcheck(db):
-            return 'ok'
+            return "ok"
     except Exception:
         sentry.captureException()
-        return 'db check failed'
+        return "db check failed"
 
 
 def healthcheck(db):
     with db.engine.connect() as connection:
-        connection.execute('SELECT 1;')
+        connection.execute("SELECT 1;")
     return True

lemur/common/managers.py

@@ -52,7 +52,7 @@ class InstanceManager(object):
 
         results = []
         for cls_path in class_list:
-            module_name, class_name = cls_path.rsplit('.', 1)
+            module_name, class_name = cls_path.rsplit(".", 1)
             try:
                 module = __import__(module_name, {}, {}, class_name)
                 cls = getattr(module, class_name)
@@ -62,10 +62,14 @@ class InstanceManager(object):
                     results.append(cls)
 
             except InvalidConfiguration as e:
-                current_app.logger.warning("Plugin '{0}' may not work correctly. {1}".format(class_name, e))
+                current_app.logger.warning(
+                    "Plugin '{0}' may not work correctly. {1}".format(class_name, e)
+                )
 
             except Exception as e:
-                current_app.logger.exception("Unable to import {0}. Reason: {1}".format(cls_path, e))
+                current_app.logger.exception(
+                    "Unable to import {0}. Reason: {1}".format(cls_path, e)
+                )
                 continue
 
         self.cache = results

lemur/common/missing.py

@@ -11,15 +11,15 @@ def convert_validity_years(data):
     :param data:
     :return:
     """
-    if data.get('validity_years'):
+    if data.get("validity_years"):
         now = arrow.utcnow()
-        data['validity_start'] = now.isoformat()
+        data["validity_start"] = now.isoformat()
 
-        end = now.replace(years=+int(data['validity_years']))
+        end = now.replace(years=+int(data["validity_years"]))
 
-        if not current_app.config.get('LEMUR_ALLOW_WEEKEND_EXPIRATION', True):
+        if not current_app.config.get("LEMUR_ALLOW_WEEKEND_EXPIRATION", True):
             if is_weekend(end):
                 end = end.replace(days=-2)
 
-        data['validity_end'] = end.isoformat()
+        data["validity_end"] = end.isoformat()
     return data

lemur/common/schema.py

@@ -22,27 +22,26 @@ class LemurSchema(Schema):
     """
     Base schema from which all grouper schema's inherit
     """
+
     __envelope__ = True
 
     def under(self, data, many=None):
         items = []
         if many:
             for i in data:
-                items.append(
+                items.append({underscore(key): value for key, value in i.items()})
-                    {underscore(key): value for key, value in i.items()}
-                )
             return items
-        return {
+        return {underscore(key): value for key, value in data.items()}
-            underscore(key): value
-            for key, value in data.items()
-        }
 
     def camel(self, data, many=None):
         items = []
         if many:
             for i in data:
                 items.append(
-                    {camelize(key, uppercase_first_letter=False): value for key, value in i.items()}
+                    {
+                        camelize(key, uppercase_first_letter=False): value
+                        for key, value in i.items()
+                    }
                 )
             return items
         return {
@@ -52,16 +51,16 @@ class LemurSchema(Schema):
 
     def wrap_with_envelope(self, data, many):
         if many:
-            if 'total' in self.context.keys():
+            if "total" in self.context.keys():
-                return dict(total=self.context['total'], items=data)
+                return dict(total=self.context["total"], items=data)
         return data
 
 
 class LemurInputSchema(LemurSchema):
     @pre_load(pass_many=True)
     def preprocess(self, data, many):
-        if isinstance(data, dict) and data.get('owner'):
+        if isinstance(data, dict) and data.get("owner"):
-            data['owner'] = data['owner'].lower()
+            data["owner"] = data["owner"].lower()
         return self.under(data, many=many)
 
 
@@ -74,17 +73,17 @@ class LemurOutputSchema(LemurSchema):
 
     def unwrap_envelope(self, data, many):
         if many:
-            if data['items']:
+            if data["items"]:
                 if isinstance(data, InstrumentedList) or isinstance(data, list):
-                    self.context['total'] = len(data)
+                    self.context["total"] = len(data)
                     return data
                 else:
-                    self.context['total'] = data['total']
+                    self.context["total"] = data["total"]
             else:
-                self.context['total'] = 0
+                self.context["total"] = 0
-                data = {'items': []}
+                data = {"items": []}
 
-            return data['items']
+            return data["items"]
 
         return data
 
@@ -110,11 +109,11 @@ def format_errors(messages):
 
 
 def wrap_errors(messages):
-    errors = dict(message='Validation Error.')
+    errors = dict(message="Validation Error.")
-    if messages.get('_schema'):
+    if messages.get("_schema"):
-        errors['reasons'] = {'Schema': {'rule': messages['_schema']}}
+        errors["reasons"] = {"Schema": {"rule": messages["_schema"]}}
     else:
-        errors['reasons'] = format_errors(messages)
+        errors["reasons"] = format_errors(messages)
     return errors
 
 
@@ -123,19 +122,19 @@ def unwrap_pagination(data, output_schema):
         return data
 
     if isinstance(data, dict):
-        if 'total' in data.keys():
+        if "total" in data.keys():
-            if data.get('total') == 0:
+            if data.get("total") == 0:
                 return data
 
-            marshaled_data = {'total': data['total']}
+            marshaled_data = {"total": data["total"]}
-            marshaled_data['items'] = output_schema.dump(data['items'], many=True).data
+            marshaled_data["items"] = output_schema.dump(data["items"], many=True).data
             return marshaled_data
 
         return output_schema.dump(data).data
 
     elif isinstance(data, list):
-        marshaled_data = {'total': len(data)}
+        marshaled_data = {"total": len(data)}
-        marshaled_data['items'] = output_schema.dump(data, many=True).data
+        marshaled_data["items"] = output_schema.dump(data, many=True).data
         return marshaled_data
     return output_schema.dump(data).data
 
@@ -155,7 +154,7 @@ def validate_schema(input_schema, output_schema):
                 if errors:
                     return wrap_errors(errors), 400
 
-                kwargs['data'] = data
+                kwargs["data"] = data
 
             try:
                 resp = f(*args, **kwargs)
@@ -173,4 +172,5 @@ def validate_schema(input_schema, output_schema):
             return unwrap_pagination(resp, output_schema), 200
 
         return decorated_function
+
     return decorator

lemur/common/utils.py

@@ -25,22 +25,22 @@ from lemur.exceptions import InvalidConfiguration
 
 paginated_parser = RequestParser()
 
-paginated_parser.add_argument('count', type=int, default=10, location='args')
+paginated_parser.add_argument("count", type=int, default=10, location="args")
-paginated_parser.add_argument('page', type=int, default=1, location='args')
+paginated_parser.add_argument("page", type=int, default=1, location="args")
-paginated_parser.add_argument('sortDir', type=str, dest='sort_dir', location='args')
+paginated_parser.add_argument("sortDir", type=str, dest="sort_dir", location="args")
-paginated_parser.add_argument('sortBy', type=str, dest='sort_by', location='args')
+paginated_parser.add_argument("sortBy", type=str, dest="sort_by", location="args")
-paginated_parser.add_argument('filter', type=str, location='args')
+paginated_parser.add_argument("filter", type=str, location="args")
-paginated_parser.add_argument('owner', type=str, location='args')
+paginated_parser.add_argument("owner", type=str, location="args")
 
 
 def get_psuedo_random_string():
     """
     Create a random and strongish challenge.
     """
-    challenge = ''.join(random.choice(string.ascii_uppercase) for x in range(6))  # noqa
+    challenge = "".join(random.choice(string.ascii_uppercase) for x in range(6))  # noqa
-    challenge += ''.join(random.choice("~!@#$%^&*()_+") for x in range(6))  # noqa
+    challenge += "".join(random.choice("~!@#$%^&*()_+") for x in range(6))  # noqa
-    challenge += ''.join(random.choice(string.ascii_lowercase) for x in range(6))
+    challenge += "".join(random.choice(string.ascii_lowercase) for x in range(6))
-    challenge += ''.join(random.choice(string.digits) for x in range(6))  # noqa
+    challenge += "".join(random.choice(string.digits) for x in range(6))  # noqa
     return challenge
 
 
@@ -53,7 +53,7 @@ def parse_certificate(body):
     """
     assert isinstance(body, str)
 
-    return x509.load_pem_x509_certificate(body.encode('utf-8'), default_backend())
+    return x509.load_pem_x509_certificate(body.encode("utf-8"), default_backend())
 
 
 def parse_private_key(private_key):
@@ -66,7 +66,9 @@ def parse_private_key(private_key):
     """
     assert isinstance(private_key, str)
 
-    return load_pem_private_key(private_key.encode('utf8'), password=None, backend=default_backend())
+    return load_pem_private_key(
+        private_key.encode("utf8"), password=None, backend=default_backend()
+    )
 
 
 def split_pem(data):
@@ -100,14 +102,15 @@ def parse_csr(csr):
     """
     assert isinstance(csr, str)
 
-    return x509.load_pem_x509_csr(csr.encode('utf-8'), default_backend())
+    return x509.load_pem_x509_csr(csr.encode("utf-8"), default_backend())
 
 
 def get_authority_key(body):
     """Returns the authority key for a given certificate in hex format"""
     parsed_cert = parse_certificate(body)
     authority_key = parsed_cert.extensions.get_extension_for_class(
-        x509.AuthorityKeyIdentifier).value.key_identifier
+        x509.AuthorityKeyIdentifier
+    ).value.key_identifier
     return authority_key.hex()
 
 
@@ -127,20 +130,17 @@ def generate_private_key(key_type):
     _CURVE_TYPES = {
         "ECCPRIME192V1": ec.SECP192R1(),
         "ECCPRIME256V1": ec.SECP256R1(),
-
         "ECCSECP192R1": ec.SECP192R1(),
         "ECCSECP224R1": ec.SECP224R1(),
         "ECCSECP256R1": ec.SECP256R1(),
         "ECCSECP384R1": ec.SECP384R1(),
         "ECCSECP521R1": ec.SECP521R1(),
         "ECCSECP256K1": ec.SECP256K1(),
-
         "ECCSECT163K1": ec.SECT163K1(),
         "ECCSECT233K1": ec.SECT233K1(),
         "ECCSECT283K1": ec.SECT283K1(),
         "ECCSECT409K1": ec.SECT409K1(),
         "ECCSECT571K1": ec.SECT571K1(),
-
         "ECCSECT163R2": ec.SECT163R2(),
         "ECCSECT233R1": ec.SECT233R1(),
         "ECCSECT283R1": ec.SECT283R1(),
@@ -149,22 +149,20 @@ def generate_private_key(key_type):
     }
 
     if key_type not in CERTIFICATE_KEY_TYPES:
-        raise Exception("Invalid key type: {key_type}. Supported key types: {choices}".format(
+        raise Exception(
-            key_type=key_type,
+            "Invalid key type: {key_type}. Supported key types: {choices}".format(
-            choices=",".join(CERTIFICATE_KEY_TYPES)
+                key_type=key_type, choices=",".join(CERTIFICATE_KEY_TYPES)
-        ))
+            )
+        )
 
-    if 'RSA' in key_type:
+    if "RSA" in key_type:
         key_size = int(key_type[3:])
         return rsa.generate_private_key(
-            public_exponent=65537,
+            public_exponent=65537, key_size=key_size, backend=default_backend()
-            key_size=key_size,
-            backend=default_backend()
         )
-    elif 'ECC' in key_type:
+    elif "ECC" in key_type:
         return ec.generate_private_key(
-            curve=_CURVE_TYPES[key_type],
+            curve=_CURVE_TYPES[key_type], backend=default_backend()
-            backend=default_backend()
         )
 
 
@@ -184,11 +182,26 @@ def check_cert_signature(cert, issuer_public_key):
             raise UnsupportedAlgorithm("RSASSA-PSS not supported")
         else:
             padder = padding.PKCS1v15()
-        issuer_public_key.verify(cert.signature, cert.tbs_certificate_bytes, padder, cert.signature_hash_algorithm)
+        issuer_public_key.verify(
-    elif isinstance(issuer_public_key, ec.EllipticCurvePublicKey) and isinstance(ec.ECDSA(cert.signature_hash_algorithm), ec.ECDSA):
+            cert.signature,
-            issuer_public_key.verify(cert.signature, cert.tbs_certificate_bytes, ec.ECDSA(cert.signature_hash_algorithm))
+            cert.tbs_certificate_bytes,
+            padder,
+            cert.signature_hash_algorithm,
+        )
+    elif isinstance(issuer_public_key, ec.EllipticCurvePublicKey) and isinstance(
+        ec.ECDSA(cert.signature_hash_algorithm), ec.ECDSA
+    ):
+        issuer_public_key.verify(
+            cert.signature,
+            cert.tbs_certificate_bytes,
+            ec.ECDSA(cert.signature_hash_algorithm),
+        )
     else:
-        raise UnsupportedAlgorithm("Unsupported Algorithm '{var}'.".format(var=cert.signature_algorithm_oid._name))
+        raise UnsupportedAlgorithm(
+            "Unsupported Algorithm '{var}'.".format(
+                var=cert.signature_algorithm_oid._name
+            )
+        )
 
 
 def is_selfsigned(cert):
@@ -224,7 +237,9 @@ def validate_conf(app, required_vars):
     """
     for var in required_vars:
         if var not in app.config:
-            raise InvalidConfiguration("Required variable '{var}' is not set in Lemur's conf.".format(var=var))
+            raise InvalidConfiguration(
+                "Required variable '{var}' is not set in Lemur's conf.".format(var=var)
+            )
 
 
 # https://bitbucket.org/zzzeek/sqlalchemy/wiki/UsageRecipes/WindowedRangeQuery
@@ -243,18 +258,15 @@ def column_windows(session, column, windowsize):
     be computed.
 
     """
+
     def int_for_range(start_id, end_id):
         if end_id:
-            return and_(
+            return and_(column >= start_id, column < end_id)
-                column >= start_id,
-                column < end_id
-            )
         else:
             return column >= start_id
 
     q = session.query(
-        column,
+        column, func.row_number().over(order_by=column).label("rownum")
-        func.row_number().over(order_by=column).label('rownum')
     ).from_self(column)
 
     if windowsize > 1:
@@ -274,9 +286,7 @@ def column_windows(session, column, windowsize):
 def windowed_query(q, column, windowsize):
     """"Break a Query into windows on a given column."""
 
-    for whereclause in column_windows(
+    for whereclause in column_windows(q.session, column, windowsize):
-            q.session,
-            column, windowsize):
         for row in q.filter(whereclause).order_by(column):
             yield row
 
@@ -284,7 +294,7 @@ def windowed_query(q, column, windowsize):
 def truthiness(s):
     """If input string resembles something truthy then return True, else False."""
 
-    return s.lower() in ('true', 'yes', 'on', 't', '1')
+    return s.lower() in ("true", "yes", "on", "t", "1")
 
 
 def find_matching_certificates_by_hash(cert, matching_certs):
@@ -292,6 +302,8 @@ def find_matching_certificates_by_hash(cert, matching_certs):
     determine if any of the certificate hashes match and return the matches."""
     matching = []
     for c in matching_certs:
-        if parse_certificate(c.body).fingerprint(hashes.SHA256()) == cert.fingerprint(hashes.SHA256()):
+        if parse_certificate(c.body).fingerprint(hashes.SHA256()) == cert.fingerprint(
+            hashes.SHA256()
+        ):
             matching.append(c)
     return matching

lemur/common/validators.py

@@ -16,7 +16,7 @@ def common_name(value):
     # Common name could be a domain name, or a human-readable name of the subject (often used in CA names or client
     # certificates). As a simple heuristic, we assume that human-readable names always include a space.
     # However, to avoid confusion for humans, we also don't count spaces at the beginning or end of the string.
-    if ' ' not in value.strip():
+    if " " not in value.strip():
         return sensitive_domain(value)
 
 
@@ -30,17 +30,21 @@ def sensitive_domain(domain):
         # User has permission, no need to check anything
         return
 
-    whitelist = current_app.config.get('LEMUR_WHITELISTED_DOMAINS', [])
+    whitelist = current_app.config.get("LEMUR_WHITELISTED_DOMAINS", [])
     if whitelist and not any(re.match(pattern, domain) for pattern in whitelist):
-        raise ValidationError('Domain {0} does not match whitelisted domain patterns. '
+        raise ValidationError(
-                              'Contact an administrator to issue the certificate.'.format(domain))
+            "Domain {0} does not match whitelisted domain patterns. "
+            "Contact an administrator to issue the certificate.".format(domain)
+        )
 
     # Avoid circular import.
     from lemur.domains import service as domain_service
 
     if any(d.sensitive for d in domain_service.get_by_name(domain)):
-        raise ValidationError('Domain {0} has been marked as sensitive. '
+        raise ValidationError(
-                              'Contact an administrator to issue the certificate.'.format(domain))
+            "Domain {0} has been marked as sensitive. "
+            "Contact an administrator to issue the certificate.".format(domain)
+        )
 
 
 def encoding(oid_encoding):
@@ -49,9 +53,13 @@ def encoding(oid_encoding):
     :param oid_encoding:
     :return:
     """
-    valid_types = ['b64asn1', 'string', 'ia5string']
+    valid_types = ["b64asn1", "string", "ia5string"]
     if oid_encoding.lower() not in [o_type.lower() for o_type in valid_types]:
-        raise ValidationError('Invalid Oid Encoding: {0} choose from {1}'.format(oid_encoding, ",".join(valid_types)))
+        raise ValidationError(
+            "Invalid Oid Encoding: {0} choose from {1}".format(
+                oid_encoding, ",".join(valid_types)
+            )
+        )
 
 
 def sub_alt_type(alt_type):
@@ -60,10 +68,23 @@ def sub_alt_type(alt_type):
     :param alt_type:
     :return:
     """
-    valid_types = ['DNSName', 'IPAddress', 'uniFormResourceIdentifier', 'directoryName', 'rfc822Name', 'registrationID',
+    valid_types = [
-                   'otherName', 'x400Address', 'EDIPartyName']
+        "DNSName",
+        "IPAddress",
+        "uniFormResourceIdentifier",
+        "directoryName",
+        "rfc822Name",
+        "registrationID",
+        "otherName",
+        "x400Address",
+        "EDIPartyName",
+    ]
     if alt_type.lower() not in [a_type.lower() for a_type in valid_types]:
-        raise ValidationError('Invalid SubAltName Type: {0} choose from {1}'.format(type, ",".join(valid_types)))
+        raise ValidationError(
+            "Invalid SubAltName Type: {0} choose from {1}".format(
+                type, ",".join(valid_types)
+            )
+        )
 
 
 def csr(data):
@@ -73,16 +94,18 @@ def csr(data):
     :return:
     """
     try:
-        request = x509.load_pem_x509_csr(data.encode('utf-8'), default_backend())
+        request = x509.load_pem_x509_csr(data.encode("utf-8"), default_backend())
     except Exception:
-        raise ValidationError('CSR presented is not valid.')
+        raise ValidationError("CSR presented is not valid.")
 
     # Validate common name and SubjectAltNames
     for name in request.subject.get_attributes_for_oid(NameOID.COMMON_NAME):
         common_name(name.value)
 
     try:
-        alt_names = request.extensions.get_extension_for_class(x509.SubjectAlternativeName)
+        alt_names = request.extensions.get_extension_for_class(
+            x509.SubjectAlternativeName
+        )
 
         for name in alt_names.value.get_values_for_type(x509.DNSName):
             sensitive_domain(name)
@@ -91,26 +114,40 @@ def csr(data):
 
 
 def dates(data):
-    if not data.get('validity_start') and data.get('validity_end'):
+    if not data.get("validity_start") and data.get("validity_end"):
-        raise ValidationError('If validity start is specified so must validity end.')
+        raise ValidationError("If validity start is specified so must validity end.")
 
-    if not data.get('validity_end') and data.get('validity_start'):
+    if not data.get("validity_end") and data.get("validity_start"):
-        raise ValidationError('If validity end is specified so must validity start.')
+        raise ValidationError("If validity end is specified so must validity start.")
 
-    if data.get('validity_start') and data.get('validity_end'):
+    if data.get("validity_start") and data.get("validity_end"):
-        if not current_app.config.get('LEMUR_ALLOW_WEEKEND_EXPIRATION', True):
+        if not current_app.config.get("LEMUR_ALLOW_WEEKEND_EXPIRATION", True):
-            if is_weekend(data.get('validity_end')):
+            if is_weekend(data.get("validity_end")):
-                raise ValidationError('Validity end must not land on a weekend.')
+                raise ValidationError("Validity end must not land on a weekend.")
 
-        if not data['validity_start'] < data['validity_end']:
+        if not data["validity_start"] < data["validity_end"]:
-            raise ValidationError('Validity start must be before validity end.')
+            raise ValidationError("Validity start must be before validity end.")
 
-        if data.get('authority'):
+        if data.get("authority"):
-            if data.get('validity_start').date() < data['authority'].authority_certificate.not_before.date():
+            if (
-                raise ValidationError('Validity start must not be before {0}'.format(data['authority'].authority_certificate.not_before))
+                data.get("validity_start").date()
+                < data["authority"].authority_certificate.not_before.date()
+            ):
+                raise ValidationError(
+                    "Validity start must not be before {0}".format(
+                        data["authority"].authority_certificate.not_before
+                    )
+                )
 
-            if data.get('validity_end').date() > data['authority'].authority_certificate.not_after.date():
+            if (
-                raise ValidationError('Validity end must not be after {0}'.format(data['authority'].authority_certificate.not_after))
+                data.get("validity_end").date()
+                > data["authority"].authority_certificate.not_after.date()
+            ):
+                raise ValidationError(
+                    "Validity end must not be after {0}".format(
+                        data["authority"].authority_certificate.not_after
+                    )
+                )
 
     return data
 
@@ -148,8 +185,13 @@ def verify_cert_chain(certs, error_class=ValidationError):
             # Avoid circular import.
             from lemur.common import defaults
 
-            raise error_class("Incorrect chain certificate(s) provided: '%s' is not signed by '%s'"
+            raise error_class(
-                              % (defaults.common_name(cert) or 'Unknown', defaults.common_name(issuer)))
+                "Incorrect chain certificate(s) provided: '%s' is not signed by '%s'"
+                % (
+                    defaults.common_name(cert) or "Unknown",
+                    defaults.common_name(issuer),
+                )
+            )
 
         except UnsupportedAlgorithm as err:
             current_app.logger.warning("Skipping chain validation: %s", err)

lemur/constants.py

@@ -7,28 +7,28 @@ SAN_NAMING_TEMPLATE = "SAN-{subject}-{issuer}-{not_before}-{not_after}"
 DEFAULT_NAMING_TEMPLATE = "{subject}-{issuer}-{not_before}-{not_after}"
 NONSTANDARD_NAMING_TEMPLATE = "{issuer}-{not_before}-{not_after}"
 
-SUCCESS_METRIC_STATUS = 'success'
+SUCCESS_METRIC_STATUS = "success"
-FAILURE_METRIC_STATUS = 'failure'
+FAILURE_METRIC_STATUS = "failure"
 
 CERTIFICATE_KEY_TYPES = [
-    'RSA2048',
+    "RSA2048",
-    'RSA4096',
+    "RSA4096",
-    'ECCPRIME192V1',
+    "ECCPRIME192V1",
-    'ECCPRIME256V1',
+    "ECCPRIME256V1",
-    'ECCSECP192R1',
+    "ECCSECP192R1",
-    'ECCSECP224R1',
+    "ECCSECP224R1",
-    'ECCSECP256R1',
+    "ECCSECP256R1",
-    'ECCSECP384R1',
+    "ECCSECP384R1",
-    'ECCSECP521R1',
+    "ECCSECP521R1",
-    'ECCSECP256K1',
+    "ECCSECP256K1",
-    'ECCSECT163K1',
+    "ECCSECT163K1",
-    'ECCSECT233K1',
+    "ECCSECT233K1",
-    'ECCSECT283K1',
+    "ECCSECT283K1",
-    'ECCSECT409K1',
+    "ECCSECT409K1",
-    'ECCSECT571K1',
+    "ECCSECT571K1",
-    'ECCSECT163R2',
+    "ECCSECT163R2",
-    'ECCSECT233R1',
+    "ECCSECT233R1",
-    'ECCSECT283R1',
+    "ECCSECT283R1",
-    'ECCSECT409R1',
+    "ECCSECT409R1",
-    'ECCSECT571R2'
+    "ECCSECT571R2",
 ]

lemur/database.py

@@ -43,7 +43,7 @@ def session_query(model):
     :param model: sqlalchemy model
     :return: query object for model
     """
-    return model.query if hasattr(model, 'query') else db.session.query(model)
+    return model.query if hasattr(model, "query") else db.session.query(model)
 
 
 def create_query(model, kwargs):
@@ -77,7 +77,7 @@ def add(model):
 
 
 def get_model_column(model, field):
-    if field in getattr(model, 'sensitive_fields', ()):
+    if field in getattr(model, "sensitive_fields", ()):
         raise AttrNotFound(field)
     column = model.__table__.columns._data.get(field, None)
     if column is None:
@@ -100,7 +100,7 @@ def find_all(query, model, kwargs):
     kwargs = filter_none(kwargs)
     for attr, value in kwargs.items():
         if not isinstance(value, list):
-            value = value.split(',')
+            value = value.split(",")
 
         conditions.append(get_model_column(model, attr).in_(value))
 
@@ -200,7 +200,7 @@ def filter(query, model, terms):
     :return:
     """
     column = get_model_column(model, underscore(terms[0]))
-    return query.filter(column.ilike('%{}%'.format(terms[1])))
+    return query.filter(column.ilike("%{}%".format(terms[1])))
 
 
 def sort(query, model, field, direction):
@@ -214,7 +214,7 @@ def sort(query, model, field, direction):
     :param direction:
     """
     column = get_model_column(model, underscore(field))
-    return query.order_by(column.desc() if direction == 'desc' else column.asc())
+    return query.order_by(column.desc() if direction == "desc" else column.asc())
 
 
 def paginate(query, page, count):
@@ -247,10 +247,10 @@ def update_list(model, model_attr, item_model, items):
 
     for i in items:
         for item in getattr(model, model_attr):
-            if item.id == i['id']:
+            if item.id == i["id"]:
                 break
         else:
-            getattr(model, model_attr).append(get(item_model, i['id']))
+            getattr(model, model_attr).append(get(item_model, i["id"]))
 
     return model
 
@@ -276,9 +276,9 @@ def get_count(q):
     disable_group_by = False
     if len(q._entities) > 1:
         # currently support only one entity
-        raise Exception('only one entity is supported for get_count, got: %s' % q)
+        raise Exception("only one entity is supported for get_count, got: %s" % q)
     entity = q._entities[0]
-    if hasattr(entity, 'column'):
+    if hasattr(entity, "column"):
         # _ColumnEntity has column attr - on case: query(Model.column)...
         col = entity.column
         if q._group_by and q._distinct:
@@ -295,7 +295,11 @@ def get_count(q):
         count_func = func.count()
     if q._group_by and not disable_group_by:
         count_func = count_func.over(None)
-    count_q = q.options(lazyload('*')).statement.with_only_columns([count_func]).order_by(None)
+    count_q = (
+        q.options(lazyload("*"))
+        .statement.with_only_columns([count_func])
+        .order_by(None)
+    )
     if disable_group_by:
         count_q = count_q.group_by(None)
     count = q.session.execute(count_q).scalar()
@@ -311,13 +315,13 @@ def sort_and_page(query, model, args):
     :param args:
     :return:
     """
-    sort_by = args.pop('sort_by')
+    sort_by = args.pop("sort_by")
-    sort_dir = args.pop('sort_dir')
+    sort_dir = args.pop("sort_dir")
-    page = args.pop('page')
+    page = args.pop("page")
-    count = args.pop('count')
+    count = args.pop("count")
 
-    if args.get('user'):
+    if args.get("user"):
-        user = args.pop('user')
+        user = args.pop("user")
 
     query = find_all(query, model, args)
 

lemur/default.conf.py

@@ -1,6 +1,7 @@
 # This is just Python which means you can inherit and tweak settings
 
 import os
+
 _basedir = os.path.abspath(os.path.dirname(__file__))
 
 THREADS_PER_PAGE = 8

lemur/defaults/views.py

@@ -13,12 +13,13 @@ from lemur.auth.service import AuthenticatedResource
 from lemur.defaults.schemas import default_output_schema
 
 
-mod = Blueprint('default', __name__)
+mod = Blueprint("default", __name__)
 api = Api(mod)
 
 
 class LemurDefaults(AuthenticatedResource):
     """ Defines the 'defaults' endpoint """
+
     def __init__(self):
         super(LemurDefaults)
 
@@ -59,17 +60,21 @@ class LemurDefaults(AuthenticatedResource):
            :statuscode 403: unauthenticated
         """
 
-        default_authority = get_by_name(current_app.config.get('LEMUR_DEFAULT_AUTHORITY'))
+        default_authority = get_by_name(
+            current_app.config.get("LEMUR_DEFAULT_AUTHORITY")
+        )
 
         return dict(
-            country=current_app.config.get('LEMUR_DEFAULT_COUNTRY'),
+            country=current_app.config.get("LEMUR_DEFAULT_COUNTRY"),
-            state=current_app.config.get('LEMUR_DEFAULT_STATE'),
+            state=current_app.config.get("LEMUR_DEFAULT_STATE"),
-            location=current_app.config.get('LEMUR_DEFAULT_LOCATION'),
+            location=current_app.config.get("LEMUR_DEFAULT_LOCATION"),
-            organization=current_app.config.get('LEMUR_DEFAULT_ORGANIZATION'),
+            organization=current_app.config.get("LEMUR_DEFAULT_ORGANIZATION"),
-            organizational_unit=current_app.config.get('LEMUR_DEFAULT_ORGANIZATIONAL_UNIT'),
+            organizational_unit=current_app.config.get(
-            issuer_plugin=current_app.config.get('LEMUR_DEFAULT_ISSUER_PLUGIN'),
+                "LEMUR_DEFAULT_ORGANIZATIONAL_UNIT"
+            ),
+            issuer_plugin=current_app.config.get("LEMUR_DEFAULT_ISSUER_PLUGIN"),
             authority=default_authority,
         )
 
 
-api.add_resource(LemurDefaults, '/defaults', endpoint='default')
+api.add_resource(LemurDefaults, "/defaults", endpoint="default")

lemur/destinations/models.py

@@ -13,7 +13,7 @@ from lemur.plugins.base import plugins
 
 
 class Destination(db.Model):
-    __tablename__ = 'destinations'
+    __tablename__ = "destinations"
     id = Column(Integer, primary_key=True)
     label = Column(String(32))
     options = Column(JSONType)

lemur/destinations/schemas.py

@@ -30,7 +30,7 @@ class DestinationOutputSchema(LemurOutputSchema):
     @post_dump
     def fill_object(self, data):
         if data:
-            data['plugin']['pluginOptions'] = data['options']
+            data["plugin"]["pluginOptions"] = data["options"]
         return data
 
 

lemur/destinations/service.py

@@ -26,10 +26,12 @@ def create(label, plugin_name, options, description=None):
     """
     # remove any sub-plugin objects before try to save the json options
     for option in options:
-        if 'plugin' in option['type']:
+        if "plugin" in option["type"]:
-            del option['value']['plugin_object']
+            del option["value"]["plugin_object"]
 
-    destination = Destination(label=label, options=options, plugin_name=plugin_name, description=description)
+    destination = Destination(
+        label=label, options=options, plugin_name=plugin_name, description=description
+    )
     current_app.logger.info("Destination: %s created", label)
 
     # add the destination as source, to avoid new destinations that are not in source, as long as an AWS destination
@@ -85,7 +87,7 @@ def get_by_label(label):
     :param label:
     :return:
     """
-    return database.get(Destination, label, field='label')
+    return database.get(Destination, label, field="label")
 
 
 def get_all():
@@ -99,17 +101,19 @@ def get_all():
 
 
 def render(args):
-    filt = args.pop('filter')
+    filt = args.pop("filter")
-    certificate_id = args.pop('certificate_id', None)
+    certificate_id = args.pop("certificate_id", None)
 
     if certificate_id:
-        query = database.session_query(Destination).join(Certificate, Destination.certificate)
+        query = database.session_query(Destination).join(
+            Certificate, Destination.certificate
+        )
         query = query.filter(Certificate.id == certificate_id)
     else:
         query = database.session_query(Destination)
 
     if filt:
-        terms = filt.split(';')
+        terms = filt.split(";")
         query = database.filter(query, Destination, terms)
 
     return database.sort_and_page(query, Destination, args)
@@ -122,9 +126,15 @@ def stats(**kwargs):
     :param kwargs:
     :return:
     """
-    items = database.db.session.query(Destination.label, func.count(certificate_destination_associations.c.certificate_id))\
+    items = (
-        .join(certificate_destination_associations)\
+        database.db.session.query(
-        .group_by(Destination.label).all()
+            Destination.label,
+            func.count(certificate_destination_associations.c.certificate_id),
+        )
+        .join(certificate_destination_associations)
+        .group_by(Destination.label)
+        .all()
+    )
 
     keys = []
     values = []
@@ -132,4 +142,4 @@ def stats(**kwargs):
         keys.append(key)
         values.append(count)
 
-    return {'labels': keys, 'values': values}
+    return {"labels": keys, "values": values}

lemur/destinations/views.py

@@ -15,15 +15,20 @@ from lemur.auth.permissions import admin_permission
 from lemur.common.utils import paginated_parser
 
 from lemur.common.schema import validate_schema
-from lemur.destinations.schemas import destinations_output_schema, destination_input_schema, destination_output_schema
+from lemur.destinations.schemas import (
+    destinations_output_schema,
+    destination_input_schema,
+    destination_output_schema,
+)
 
 
-mod = Blueprint('destinations', __name__)
+mod = Blueprint("destinations", __name__)
 api = Api(mod)
 
 
 class DestinationsList(AuthenticatedResource):
     """ Defines the 'destinations' endpoint """
+
     def __init__(self):
         self.reqparse = reqparse.RequestParser()
         super(DestinationsList, self).__init__()
@@ -176,7 +181,12 @@ class DestinationsList(AuthenticatedResource):
            :reqheader Authorization: OAuth token to authenticate
            :statuscode 200: no error
         """
-        return service.create(data['label'], data['plugin']['slug'], data['plugin']['plugin_options'], data['description'])
+        return service.create(
+            data["label"],
+            data["plugin"]["slug"],
+            data["plugin"]["plugin_options"],
+            data["description"],
+        )
 
 
 class Destinations(AuthenticatedResource):
@@ -325,16 +335,22 @@ class Destinations(AuthenticatedResource):
            :reqheader Authorization: OAuth token to authenticate
            :statuscode 200: no error
         """
-        return service.update(destination_id, data['label'], data['plugin']['plugin_options'], data['description'])
+        return service.update(
+            destination_id,
+            data["label"],
+            data["plugin"]["plugin_options"],
+            data["description"],
+        )
 
     @admin_permission.require(http_exception=403)
     def delete(self, destination_id):
         service.delete(destination_id)
-        return {'result': True}
+        return {"result": True}
 
 
 class CertificateDestinations(AuthenticatedResource):
     """ Defines the 'certificate/<int:certificate_id/destinations'' endpoint """
+
     def __init__(self):
         super(CertificateDestinations, self).__init__()
 
@@ -401,25 +417,31 @@ class CertificateDestinations(AuthenticatedResource):
         """
         parser = paginated_parser.copy()
         args = parser.parse_args()
-        args['certificate_id'] = certificate_id
+        args["certificate_id"] = certificate_id
         return service.render(args)
 
 
 class DestinationsStats(AuthenticatedResource):
     """ Defines the 'certificates' stats endpoint """
+
     def __init__(self):
         self.reqparse = reqparse.RequestParser()
         super(DestinationsStats, self).__init__()
 
     def get(self):
-        self.reqparse.add_argument('metric', type=str, location='args')
+        self.reqparse.add_argument("metric", type=str, location="args")
         args = self.reqparse.parse_args()
         items = service.stats(**args)
         return dict(items=items, total=len(items))
 
 
-api.add_resource(DestinationsList, '/destinations', endpoint='destinations')
+api.add_resource(DestinationsList, "/destinations", endpoint="destinations")
-api.add_resource(Destinations, '/destinations/<int:destination_id>', endpoint='destination')
+api.add_resource(
-api.add_resource(CertificateDestinations, '/certificates/<int:certificate_id>/destinations',
+    Destinations, "/destinations/<int:destination_id>", endpoint="destination"
-                 endpoint='certificateDestinations')
+)
-api.add_resource(DestinationsStats, '/destinations/stats', endpoint='destinationStats')
+api.add_resource(
+    CertificateDestinations,
+    "/certificates/<int:certificate_id>/destinations",
+    endpoint="certificateDestinations",
+)
+api.add_resource(DestinationsStats, "/destinations/stats", endpoint="destinationStats")

lemur/dns_providers/cli.py

@@ -5,7 +5,9 @@ from lemur.dns_providers.service import get_all_dns_providers, set_domains
 from lemur.extensions import metrics
 from lemur.plugins.base import plugins
 
-manager = Manager(usage="Iterates through all DNS providers and sets DNS zones in the database.")
+manager = Manager(
+    usage="Iterates through all DNS providers and sets DNS zones in the database."
+)
 
 
 @manager.command
@@ -27,5 +29,5 @@ def get_all_zones():
 
     status = SUCCESS_METRIC_STATUS
 
-    metrics.send('get_all_zones', 'counter', 1, metric_tags={'status': status})
+    metrics.send("get_all_zones", "counter", 1, metric_tags={"status": status})
     print("[+] Done with dns provider zone lookup and configuration.")

lemur/dns_providers/models.py

@@ -9,22 +9,23 @@ from lemur.utils import Vault
 
 
 class DnsProvider(db.Model):
-    __tablename__ = 'dns_providers'
+    __tablename__ = "dns_providers"
-    id = Column(
+    id = Column(Integer(), primary_key=True)
-        Integer(),
-        primary_key=True,
-    )
     name = Column(String(length=256), unique=True, nullable=True)
     description = Column(Text(), nullable=True)
     provider_type = Column(String(length=256), nullable=True)
     credentials = Column(Vault, nullable=True)
     api_endpoint = Column(String(length=256), nullable=True)
-    date_created = Column(ArrowType(), server_default=text('now()'), nullable=False)
+    date_created = Column(ArrowType(), server_default=text("now()"), nullable=False)
     status = Column(String(length=128), nullable=True)
     options = Column(JSON, nullable=True)
     domains = Column(JSON, nullable=True)
-    certificates = relationship("Certificate", backref='dns_provider', foreign_keys='Certificate.dns_provider_id',
+    certificates = relationship(
-                                lazy='dynamic')
+        "Certificate",
+        backref="dns_provider",
+        foreign_keys="Certificate.dns_provider_id",
+        lazy="dynamic",
+    )
 
     def __init__(self, name, description, provider_type, credentials):
         self.name = name

lemur/dns_providers/service.py

@@ -49,7 +49,9 @@ def get_friendly(dns_provider_id):
     }
 
     if dns_provider.provider_type == "route53":
-        dns_provider_friendly["account_id"] = json.loads(dns_provider.credentials).get("account_id")
+        dns_provider_friendly["account_id"] = json.loads(dns_provider.credentials).get(
+            "account_id"
+        )
     return dns_provider_friendly
 
 
@@ -64,40 +66,40 @@ def delete(dns_provider_id):
 
 def get_types():
     provider_config = current_app.config.get(
-        'ACME_DNS_PROVIDER_TYPES',
+        "ACME_DNS_PROVIDER_TYPES",
-        {"items": [
         {
-                'name': 'route53',
+            "items": [
-                'requirements': [
                 {
-                        'name': 'account_id',
+                    "name": "route53",
-                        'type': 'int',
+                    "requirements": [
-                        'required': True,
+                        {
-                        'helpMessage': 'AWS Account number'
+                            "name": "account_id",
+                            "type": "int",
+                            "required": True,
+                            "helpMessage": "AWS Account number",
+                        }
+                    ],
                 },
+                {
+                    "name": "cloudflare",
+                    "requirements": [
+                        {
+                            "name": "email",
+                            "type": "str",
+                            "required": True,
+                            "helpMessage": "Cloudflare Email",
+                        },
+                        {
+                            "name": "key",
+                            "type": "str",
+                            "required": True,
+                            "helpMessage": "Cloudflare Key",
+                        },
+                    ],
+                },
+                {"name": "dyn"},
             ]
         },
-            {
-                'name': 'cloudflare',
-                'requirements': [
-                    {
-                        'name': 'email',
-                        'type': 'str',
-                        'required': True,
-                        'helpMessage': 'Cloudflare Email'
-                    },
-                    {
-                        'name': 'key',
-                        'type': 'str',
-                        'required': True,
-                        'helpMessage': 'Cloudflare Key'
-                    },
-                ]
-            },
-            {
-                'name': 'dyn',
-            },
-        ]}
     )
     if not provider_config:
         raise Exception("No DNS Provider configuration specified.")

lemur/dns_providers/views.py

@@ -13,9 +13,12 @@ from lemur.auth.service import AuthenticatedResource
 from lemur.common.schema import validate_schema
 from lemur.common.utils import paginated_parser
 from lemur.dns_providers import service
-from lemur.dns_providers.schemas import dns_provider_output_schema, dns_provider_input_schema
+from lemur.dns_providers.schemas import (
+    dns_provider_output_schema,
+    dns_provider_input_schema,
+)
 
-mod = Blueprint('dns_providers', __name__)
+mod = Blueprint("dns_providers", __name__)
 api = Api(mod)
 
 
@@ -71,12 +74,12 @@ class DnsProvidersList(AuthenticatedResource):
 
         """
         parser = paginated_parser.copy()
-        parser.add_argument('dns_provider_id', type=int, location='args')
+        parser.add_argument("dns_provider_id", type=int, location="args")
-        parser.add_argument('name', type=str, location='args')
+        parser.add_argument("name", type=str, location="args")
-        parser.add_argument('type', type=str, location='args')
+        parser.add_argument("type", type=str, location="args")
 
         args = parser.parse_args()
-        args['user'] = g.user
+        args["user"] = g.user
         return service.render(args)
 
     @validate_schema(dns_provider_input_schema, None)
@@ -152,7 +155,7 @@ class DnsProviders(AuthenticatedResource):
     @admin_permission.require(http_exception=403)
     def delete(self, dns_provider_id):
         service.delete(dns_provider_id)
-        return {'result': True}
+        return {"result": True}
 
 
 class DnsProviderOptions(AuthenticatedResource):
@@ -166,6 +169,10 @@ class DnsProviderOptions(AuthenticatedResource):
         return service.get_types()
 
 
-api.add_resource(DnsProvidersList, '/dns_providers', endpoint='dns_providers')
+api.add_resource(DnsProvidersList, "/dns_providers", endpoint="dns_providers")
-api.add_resource(DnsProviders, '/dns_providers/<int:dns_provider_id>', endpoint='dns_provider')
+api.add_resource(
-api.add_resource(DnsProviderOptions, '/dns_provider_options', endpoint='dns_provider_options')
+    DnsProviders, "/dns_providers/<int:dns_provider_id>", endpoint="dns_provider"
+)
+api.add_resource(
+    DnsProviderOptions, "/dns_provider_options", endpoint="dns_provider_options"
+)

lemur/domains/models.py

@@ -13,11 +13,14 @@ from lemur.database import db
 
 
 class Domain(db.Model):
-    __tablename__ = 'domains'
+    __tablename__ = "domains"
     __table_args__ = (
-        Index('ix_domains_name_gin', "name",
+        Index(
+            "ix_domains_name_gin",
+            "name",
             postgresql_ops={"name": "gin_trgm_ops"},
-              postgresql_using='gin'),
+            postgresql_using="gin",
+        ),
     )
     id = Column(Integer, primary_key=True)
     name = Column(String(256), index=True)

lemur/domains/service.py

@@ -77,11 +77,11 @@ def render(args):
     :return:
     """
     query = database.session_query(Domain)
-    filt = args.pop('filter')
+    filt = args.pop("filter")
-    certificate_id = args.pop('certificate_id', None)
+    certificate_id = args.pop("certificate_id", None)
 
     if filt:
-        terms = filt.split(';')
+        terms = filt.split(";")
         query = database.filter(query, Domain, terms)
 
     if certificate_id:

lemur/domains/views.py

@@ -17,14 +17,19 @@ from lemur.auth.permissions import SensitiveDomainPermission
 from lemur.common.schema import validate_schema
 from lemur.common.utils import paginated_parser
 
-from lemur.domains.schemas import domain_input_schema, domain_output_schema, domains_output_schema
+from lemur.domains.schemas import (
+    domain_input_schema,
+    domain_output_schema,
+    domains_output_schema,
+)
 
-mod = Blueprint('domains', __name__)
+mod = Blueprint("domains", __name__)
 api = Api(mod)
 
 
 class DomainsList(AuthenticatedResource):
     """ Defines the 'domains' endpoint """
+
     def __init__(self):
         super(DomainsList, self).__init__()
 
@@ -123,7 +128,7 @@ class DomainsList(AuthenticatedResource):
            :statuscode 200: no error
            :statuscode 403: unauthenticated
         """
-        return service.create(data['name'], data['sensitive'])
+        return service.create(data["name"], data["sensitive"])
 
 
 class Domains(AuthenticatedResource):
@@ -205,13 +210,14 @@ class Domains(AuthenticatedResource):
            :statuscode 403: unauthenticated
         """
         if SensitiveDomainPermission().can():
-            return service.update(domain_id, data['name'], data['sensitive'])
+            return service.update(domain_id, data["name"], data["sensitive"])
 
-        return dict(message='You are not authorized to modify this domain'), 403
+        return dict(message="You are not authorized to modify this domain"), 403
 
 
 class CertificateDomains(AuthenticatedResource):
     """ Defines the 'domains' endpoint """
+
     def __init__(self):
         super(CertificateDomains, self).__init__()
 
@@ -265,10 +271,14 @@ class CertificateDomains(AuthenticatedResource):
         """
         parser = paginated_parser.copy()
         args = parser.parse_args()
-        args['certificate_id'] = certificate_id
+        args["certificate_id"] = certificate_id
         return service.render(args)
 
 
-api.add_resource(DomainsList, '/domains', endpoint='domains')
+api.add_resource(DomainsList, "/domains", endpoint="domains")
-api.add_resource(Domains, '/domains/<int:domain_id>', endpoint='domain')
+api.add_resource(Domains, "/domains/<int:domain_id>", endpoint="domain")
-api.add_resource(CertificateDomains, '/certificates/<int:certificate_id>/domains', endpoint='certificateDomains')
+api.add_resource(
+    CertificateDomains,
+    "/certificates/<int:certificate_id>/domains",
+    endpoint="certificateDomains",
+)

lemur/endpoints/cli.py

@@ -21,7 +21,14 @@ from lemur.endpoints.models import Endpoint
 manager = Manager(usage="Handles all endpoint related tasks.")
 
 
-@manager.option('-ttl', '--time-to-live', type=int, dest='ttl', default=2, help='Time in hours, which endpoint has not been refreshed to remove the endpoint.')
+@manager.option(
+    "-ttl",
+    "--time-to-live",
+    type=int,
+    dest="ttl",
+    default=2,
+    help="Time in hours, which endpoint has not been refreshed to remove the endpoint.",
+)
 def expire(ttl):
     """
     Removed all endpoints that have not been recently updated.
@@ -31,12 +38,18 @@ def expire(ttl):
     try:
         now = arrow.utcnow()
         expiration = now - timedelta(hours=ttl)
-        endpoints = database.session_query(Endpoint).filter(cast(Endpoint.last_updated, ArrowType) <= expiration)
+        endpoints = database.session_query(Endpoint).filter(
+            cast(Endpoint.last_updated, ArrowType) <= expiration
+        )
 
         for endpoint in endpoints:
-            print("[!] Expiring endpoint: {name} Last Updated: {last_updated}".format(name=endpoint.name, last_updated=endpoint.last_updated))
+            print(
+                "[!] Expiring endpoint: {name} Last Updated: {last_updated}".format(
+                    name=endpoint.name, last_updated=endpoint.last_updated
+                )
+            )
             database.delete(endpoint)
-            metrics.send('endpoint_expired', 'counter', 1)
+            metrics.send("endpoint_expired", "counter", 1)
 
         print("[+] Finished expiration.")
     except Exception as e:

lemur/endpoints/models.py

@@ -20,15 +20,11 @@ from lemur.database import db
 from lemur.models import policies_ciphers
 
 
-BAD_CIPHERS = [
+BAD_CIPHERS = ["Protocol-SSLv3", "Protocol-SSLv2", "Protocol-TLSv1"]
-    'Protocol-SSLv3',
-    'Protocol-SSLv2',
-    'Protocol-TLSv1'
-]
 
 
 class Cipher(db.Model):
-    __tablename__ = 'ciphers'
+    __tablename__ = "ciphers"
     id = Column(Integer, primary_key=True)
     name = Column(String(128), nullable=False)
 
@@ -38,23 +34,18 @@ class Cipher(db.Model):
 
     @deprecated.expression
     def deprecated(cls):
-        return case(
+        return case([(cls.name in BAD_CIPHERS, True)], else_=False)
-            [
-                (cls.name in BAD_CIPHERS, True)
-            ],
-            else_=False
-        )
 
 
 class Policy(db.Model):
-    ___tablename__ = 'policies'
+    ___tablename__ = "policies"
     id = Column(Integer, primary_key=True)
     name = Column(String(128), nullable=True)
-    ciphers = relationship('Cipher', secondary=policies_ciphers, backref='policy')
+    ciphers = relationship("Cipher", secondary=policies_ciphers, backref="policy")
 
 
 class Endpoint(db.Model):
-    __tablename__ = 'endpoints'
+    __tablename__ = "endpoints"
     id = Column(Integer, primary_key=True)
     owner = Column(String(128))
     name = Column(String(128))
@@ -62,16 +53,18 @@ class Endpoint(db.Model):
     type = Column(String(128))
     active = Column(Boolean, default=True)
     port = Column(Integer)
-    policy_id = Column(Integer, ForeignKey('policy.id'))
+    policy_id = Column(Integer, ForeignKey("policy.id"))
-    policy = relationship('Policy', backref='endpoint')
+    policy = relationship("Policy", backref="endpoint")
-    certificate_id = Column(Integer, ForeignKey('certificates.id'))
+    certificate_id = Column(Integer, ForeignKey("certificates.id"))
-    source_id = Column(Integer, ForeignKey('sources.id'))
+    source_id = Column(Integer, ForeignKey("sources.id"))
     sensitive = Column(Boolean, default=False)
-    source = relationship('Source', back_populates='endpoints')
+    source = relationship("Source", back_populates="endpoints")
     last_updated = Column(ArrowType, default=arrow.utcnow, nullable=False)
-    date_created = Column(ArrowType, default=arrow.utcnow, onupdate=arrow.utcnow, nullable=False)
+    date_created = Column(
+        ArrowType, default=arrow.utcnow, onupdate=arrow.utcnow, nullable=False
+    )
 
-    replaced = association_proxy('certificate', 'replaced')
+    replaced = association_proxy("certificate", "replaced")
 
     @property
     def issues(self):
@@ -79,13 +72,30 @@ class Endpoint(db.Model):
 
         for cipher in self.policy.ciphers:
             if cipher.deprecated:
-                issues.append({'name': 'deprecated cipher', 'value': '{0} has been deprecated consider removing it.'.format(cipher.name)})
+                issues.append(
+                    {
+                        "name": "deprecated cipher",
+                        "value": "{0} has been deprecated consider removing it.".format(
+                            cipher.name
+                        ),
+                    }
+                )
 
         if self.certificate.expired:
-            issues.append({'name': 'expired certificate', 'value': 'There is an expired certificate attached to this endpoint consider replacing it.'})
+            issues.append(
+                {
+                    "name": "expired certificate",
+                    "value": "There is an expired certificate attached to this endpoint consider replacing it.",
+                }
+            )
 
         if self.certificate.revoked:
-            issues.append({'name': 'revoked', 'value': 'There is a revoked certificate attached to this endpoint consider replacing it.'})
+            issues.append(
+                {
+                    "name": "revoked",
+                    "value": "There is a revoked certificate attached to this endpoint consider replacing it.",
+                }
+            )
 
         return issues
 

lemur/endpoints/service.py

@@ -46,7 +46,7 @@ def get_by_name(name):
     :param name:
     :return:
     """
-    return database.get(Endpoint, name, field='name')
+    return database.get(Endpoint, name, field="name")
 
 
 def get_by_dnsname(dnsname):
@@ -56,7 +56,7 @@ def get_by_dnsname(dnsname):
     :param dnsname:
     :return:
     """
-    return database.get(Endpoint, dnsname, field='dnsname')
+    return database.get(Endpoint, dnsname, field="dnsname")
 
 
 def get_by_dnsname_and_port(dnsname, port):
@@ -66,7 +66,11 @@ def get_by_dnsname_and_port(dnsname, port):
     :param port:
     :return:
     """
-    return Endpoint.query.filter(Endpoint.dnsname == dnsname).filter(Endpoint.port == port).scalar()
+    return (
+        Endpoint.query.filter(Endpoint.dnsname == dnsname)
+        .filter(Endpoint.port == port)
+        .scalar()
+    )
 
 
 def get_by_source(source_label):
@@ -95,12 +99,14 @@ def create(**kwargs):
     """
     endpoint = Endpoint(**kwargs)
     database.create(endpoint)
-    metrics.send('endpoint_added', 'counter', 1, metric_tags={'source': endpoint.source.label})
+    metrics.send(
+        "endpoint_added", "counter", 1, metric_tags={"source": endpoint.source.label}
+    )
     return endpoint
 
 
 def get_or_create_policy(**kwargs):
-    policy = database.get(Policy, kwargs['name'], field='name')
+    policy = database.get(Policy, kwargs["name"], field="name")
 
     if not policy:
         policy = Policy(**kwargs)
@@ -110,7 +116,7 @@ def get_or_create_policy(**kwargs):
 
 
 def get_or_create_cipher(**kwargs):
-    cipher = database.get(Cipher, kwargs['name'], field='name')
+    cipher = database.get(Cipher, kwargs["name"], field="name")
 
     if not cipher:
         cipher = Cipher(**kwargs)
@@ -122,11 +128,13 @@ def get_or_create_cipher(**kwargs):
 def update(endpoint_id, **kwargs):
     endpoint = database.get(Endpoint, endpoint_id)
 
-    endpoint.policy = kwargs['policy']
+    endpoint.policy = kwargs["policy"]
-    endpoint.certificate = kwargs['certificate']
+    endpoint.certificate = kwargs["certificate"]
-    endpoint.source = kwargs['source']
+    endpoint.source = kwargs["source"]
     endpoint.last_updated = arrow.utcnow()
-    metrics.send('endpoint_updated', 'counter', 1, metric_tags={'source': endpoint.source.label})
+    metrics.send(
+        "endpoint_updated", "counter", 1, metric_tags={"source": endpoint.source.label}
+    )
     database.update(endpoint)
     return endpoint
 
@@ -138,19 +146,17 @@ def render(args):
     :return:
     """
     query = database.session_query(Endpoint)
-    filt = args.pop('filter')
+    filt = args.pop("filter")
 
     if filt:
-        terms = filt.split(';')
+        terms = filt.split(";")
-        if 'active' in filt:  # this is really weird but strcmp seems to not work here??
+        if "active" in filt:  # this is really weird but strcmp seems to not work here??
             query = query.filter(Endpoint.active == truthiness(terms[1]))
-        elif 'port' in filt:
+        elif "port" in filt:
-            if terms[1] != 'null':  # ng-table adds 'null' if a number is removed
+            if terms[1] != "null":  # ng-table adds 'null' if a number is removed
                 query = query.filter(Endpoint.port == terms[1])
-        elif 'ciphers' in filt:
+        elif "ciphers" in filt:
-            query = query.filter(
+            query = query.filter(Cipher.name == terms[1])
-                Cipher.name == terms[1]
-            )
         else:
             query = database.filter(query, Endpoint, terms)
 
@@ -164,7 +170,7 @@ def stats(**kwargs):
     :param kwargs:
     :return:
     """
-    attr = getattr(Endpoint, kwargs.get('metric'))
+    attr = getattr(Endpoint, kwargs.get("metric"))
     query = database.db.session.query(attr, func.count(attr))
 
     items = query.group_by(attr).all()
@@ -175,4 +181,4 @@ def stats(**kwargs):
         keys.append(key)
         values.append(count)
 
-    return {'labels': keys, 'values': values}
+    return {"labels": keys, "values": values}

lemur/endpoints/views.py

@@ -16,12 +16,13 @@ from lemur.endpoints import service
 from lemur.endpoints.schemas import endpoint_output_schema, endpoints_output_schema
 
 
-mod = Blueprint('endpoints', __name__)
+mod = Blueprint("endpoints", __name__)
 api = Api(mod)
 
 
 class EndpointsList(AuthenticatedResource):
     """ Defines the 'endpoints' endpoint """
+
     def __init__(self):
         self.reqparse = reqparse.RequestParser()
         super(EndpointsList, self).__init__()
@@ -63,7 +64,7 @@ class EndpointsList(AuthenticatedResource):
         """
         parser = paginated_parser.copy()
         args = parser.parse_args()
-        args['user'] = g.current_user
+        args["user"] = g.current_user
         return service.render(args)
 
 
@@ -103,5 +104,5 @@ class Endpoints(AuthenticatedResource):
         return service.get(endpoint_id)
 
 
-api.add_resource(EndpointsList, '/endpoints', endpoint='endpoints')
+api.add_resource(EndpointsList, "/endpoints", endpoint="endpoints")
-api.add_resource(Endpoints, '/endpoints/<int:endpoint_id>', endpoint='endpoint')
+api.add_resource(Endpoints, "/endpoints/<int:endpoint_id>", endpoint="endpoint")

lemur/exceptions.py

@@ -21,7 +21,9 @@ class DuplicateError(LemurException):
 
 class InvalidListener(LemurException):
     def __str__(self):
-        return repr("Invalid listener, ensure you select a certificate if you are using a secure protocol")
+        return repr(
+            "Invalid listener, ensure you select a certificate if you are using a secure protocol"
+        )
 
 
 class AttrNotFound(LemurException):

lemur/extensions.py

@@ -15,25 +15,33 @@ class SQLAlchemy(SA):
 db = SQLAlchemy()
 
 from flask_migrate import Migrate
+
 migrate = Migrate()
 
 from flask_bcrypt import Bcrypt
+
 bcrypt = Bcrypt()
 
 from flask_principal import Principal
+
 principal = Principal(use_sessions=False)
 
 from flask_mail import Mail
+
 smtp_mail = Mail()
 
 from lemur.metrics import Metrics
+
 metrics = Metrics()
 
 from raven.contrib.flask import Sentry
+
 sentry = Sentry()
 
 from blinker import Namespace
+
 signals = Namespace()
 
 from flask_cors import CORS
+
 cors = CORS()

lemur/factory.py

@@ -13,20 +13,21 @@ import os
 import imp
 import errno
 import pkg_resources
+import socket
 
 from logging import Formatter, StreamHandler
 from logging.handlers import RotatingFileHandler
 
 from flask import Flask
+from flask_replicated import FlaskReplicated
+import logmatic
 
 from lemur.certificates.hooks import activate_debug_dump
 from lemur.common.health import mod as health
 from lemur.extensions import db, migrate, principal, smtp_mail, metrics, sentry, cors
 
 
-DEFAULT_BLUEPRINTS = (
+DEFAULT_BLUEPRINTS = (health,)
-    health,
-)
 
 API_VERSION = 1
 
@@ -53,6 +54,7 @@ def create_app(app_name=None, blueprints=None, config=None):
     configure_blueprints(app, blueprints)
     configure_extensions(app)
     configure_logging(app)
+    configure_database(app)
     install_plugins(app)
 
     @app.teardown_appcontext
@@ -71,16 +73,17 @@ def from_file(file_path, silent=False):
     :param file_path:
     :param silent:
     """
-    d = imp.new_module('config')
+    d = imp.new_module("config")
     d.__file__ = file_path
     try:
         with open(file_path) as config_file:
-            exec(compile(config_file.read(),  # nosec: config file safe
+            exec(  # nosec: config file safe
-                 file_path, 'exec'), d.__dict__)
+                compile(config_file.read(), file_path, "exec"), d.__dict__
+            )
     except IOError as e:
         if silent and e.errno in (errno.ENOENT, errno.EISDIR):
             return False
-        e.strerror = 'Unable to load configuration file (%s)' % e.strerror
+        e.strerror = "Unable to load configuration file (%s)" % e.strerror
         raise
     return d
 
@@ -94,8 +97,8 @@ def configure_app(app, config=None):
     :return:
     """
     # respect the config first
-    if config and config != 'None':
+    if config and config != "None":
-        app.config['CONFIG_PATH'] = config
+        app.config["CONFIG_PATH"] = config
         app.config.from_object(from_file(config))
     else:
         try:
@@ -103,12 +106,21 @@ def configure_app(app, config=None):
         except RuntimeError:
             # look in default paths
             if os.path.isfile(os.path.expanduser("~/.lemur/lemur.conf.py")):
-                app.config.from_object(from_file(os.path.expanduser("~/.lemur/lemur.conf.py")))
+                app.config.from_object(
+                    from_file(os.path.expanduser("~/.lemur/lemur.conf.py"))
+                )
             else:
-                app.config.from_object(from_file(os.path.join(os.path.dirname(os.path.realpath(__file__)), 'default.conf.py')))
+                app.config.from_object(
+                    from_file(
+                        os.path.join(
+                            os.path.dirname(os.path.realpath(__file__)),
+                            "default.conf.py",
+                        )
+                    )
+                )
 
     # we don't use this
-    app.config['SQLALCHEMY_TRACK_MODIFICATIONS'] = False
+    app.config["SQLALCHEMY_TRACK_MODIFICATIONS"] = False
 
 
 def configure_extensions(app):
@@ -125,9 +137,15 @@ def configure_extensions(app):
     metrics.init_app(app)
     sentry.init_app(app)
 
-    if app.config['CORS']:
+    if app.config["CORS"]:
-        app.config['CORS_HEADERS'] = 'Content-Type'
+        app.config["CORS_HEADERS"] = "Content-Type"
-        cors.init_app(app, resources=r'/api/*', headers='Content-Type', origin='*', supports_credentials=True)
+        cors.init_app(
+            app,
+            resources=r"/api/*",
+            headers="Content-Type",
+            origin="*",
+            supports_credentials=True,
+        )
 
 
 def configure_blueprints(app, blueprints):
@@ -142,28 +160,41 @@ def configure_blueprints(app, blueprints):
         app.register_blueprint(blueprint, url_prefix="/api/{0}".format(API_VERSION))
 
 
+def configure_database(app):
+    if app.config.get("SQLALCHEMY_ENABLE_FLASK_REPLICATED"):
+        FlaskReplicated(app)
+
+
 def configure_logging(app):
     """
     Sets up application wide logging.
 
     :param app:
     """
-    handler = RotatingFileHandler(app.config.get('LOG_FILE', 'lemur.log'), maxBytes=10000000, backupCount=100)
+    handler = RotatingFileHandler(
+        app.config.get("LOG_FILE", "lemur.log"), maxBytes=10000000, backupCount=100
+    )
 
-    handler.setFormatter(Formatter(
+    handler.setFormatter(
-        '%(asctime)s %(levelname)s: %(message)s '
+        Formatter(
-        '[in %(pathname)s:%(lineno)d]'
+            "%(asctime)s %(levelname)s: %(message)s " "[in %(pathname)s:%(lineno)d]"
-    ))
+        )
+    )
 
-    handler.setLevel(app.config.get('LOG_LEVEL', 'DEBUG'))
+    if app.config.get("LOG_JSON", False):
-    app.logger.setLevel(app.config.get('LOG_LEVEL', 'DEBUG'))
+        handler.setFormatter(
+            logmatic.JsonFormatter(extra={"hostname": socket.gethostname()})
+        )
+
+    handler.setLevel(app.config.get("LOG_LEVEL", "DEBUG"))
+    app.logger.setLevel(app.config.get("LOG_LEVEL", "DEBUG"))
     app.logger.addHandler(handler)
 
     stream_handler = StreamHandler()
-    stream_handler.setLevel(app.config.get('LOG_LEVEL', 'DEBUG'))
+    stream_handler.setLevel(app.config.get("LOG_LEVEL", "DEBUG"))
     app.logger.addHandler(stream_handler)
 
-    if app.config.get('DEBUG_DUMP', False):
+    if app.config.get("DEBUG_DUMP", False):
         activate_debug_dump()
 
 
@@ -176,17 +207,21 @@ def install_plugins(app):
     """
     from lemur.plugins import plugins
     from lemur.plugins.base import register
+
     # entry_points={
     #    'lemur.plugins': [
     #         'verisign = lemur_verisign.plugin:VerisignPlugin'
     #     ],
     # },
-    for ep in pkg_resources.iter_entry_points('lemur.plugins'):
+    for ep in pkg_resources.iter_entry_points("lemur.plugins"):
         try:
             plugin = ep.load()
         except Exception:
             import traceback
-            app.logger.error("Failed to load plugin %r:\n%s\n" % (ep.name, traceback.format_exc()))
+
+            app.logger.error(
+                "Failed to load plugin %r:\n%s\n" % (ep.name, traceback.format_exc())
+            )
         else:
             register(plugin)
 
@@ -196,6 +231,9 @@ def install_plugins(app):
         try:
             plugins.get(slug)
         except KeyError:
-            raise Exception("Unable to location notification plugin: {slug}. Ensure that "
+            raise Exception(
-                            "LEMUR_DEFAULT_NOTIFICATION_PLUGIN is set to a valid and installed notification plugin."
+                "Unable to location notification plugin: {slug}. Ensure that "
-                            .format(slug=slug))
+                "LEMUR_DEFAULT_NOTIFICATION_PLUGIN is set to a valid and installed notification plugin.".format(
+                    slug=slug
+                )
+            )

lemur/logs/models.py

@@ -15,9 +15,19 @@ from lemur.database import db
 
 
 class Log(db.Model):
-    __tablename__ = 'logs'
+    __tablename__ = "logs"
     id = Column(Integer, primary_key=True)
-    certificate_id = Column(Integer, ForeignKey('certificates.id'))
+    certificate_id = Column(Integer, ForeignKey("certificates.id"))
-    log_type = Column(Enum('key_view', 'create_cert', 'update_cert', 'revoke_cert', 'delete_cert', name='log_type'), nullable=False)
+    log_type = Column(
+        Enum(
+            "key_view",
+            "create_cert",
+            "update_cert",
+            "revoke_cert",
+            "delete_cert",
+            name="log_type",
+        ),
+        nullable=False,
+    )
     logged_at = Column(ArrowType(), PassiveDefault(func.now()), nullable=False)
-    user_id = Column(Integer, ForeignKey('users.id'), nullable=False)
+    user_id = Column(Integer, ForeignKey("users.id"), nullable=False)

lemur/logs/service.py

@@ -24,7 +24,11 @@ def create(user, type, certificate=None):
     :param certificate:
     :return:
     """
-    current_app.logger.info("[lemur-audit] action: {0}, user: {1}, certificate: {2}.".format(type, user.email, certificate.name))
+    current_app.logger.info(
+        "[lemur-audit] action: {0}, user: {1}, certificate: {2}.".format(
+            type, user.email, certificate.name
+        )
+    )
     view = Log(user_id=user.id, log_type=type, certificate_id=certificate.id)
     database.add(view)
     database.commit()
@@ -50,20 +54,22 @@ def render(args):
     """
     query = database.session_query(Log)
 
-    filt = args.pop('filter')
+    filt = args.pop("filter")
 
     if filt:
-        terms = filt.split(';')
+        terms = filt.split(";")
 
-        if 'certificate.name' in terms:
+        if "certificate.name" in terms:
-            sub_query = database.session_query(Certificate.id)\
+            sub_query = database.session_query(Certificate.id).filter(
-                .filter(Certificate.name.ilike('%{0}%'.format(terms[1])))
+                Certificate.name.ilike("%{0}%".format(terms[1]))
+            )
 
             query = query.filter(Log.certificate_id.in_(sub_query))
 
-        elif 'user.email' in terms:
+        elif "user.email" in terms:
-            sub_query = database.session_query(User.id)\
+            sub_query = database.session_query(User.id).filter(
-                .filter(User.email.ilike('%{0}%'.format(terms[1])))
+                User.email.ilike("%{0}%".format(terms[1]))
+            )
 
             query = query.filter(Log.user_id.in_(sub_query))
 

lemur/logs/views.py

@@ -17,12 +17,13 @@ from lemur.logs.schemas import logs_output_schema
 from lemur.logs import service
 
 
-mod = Blueprint('logs', __name__)
+mod = Blueprint("logs", __name__)
 api = Api(mod)
 
 
 class LogsList(AuthenticatedResource):
     """ Defines the 'logs' endpoint """
+
     def __init__(self):
         self.reqparse = reqparse.RequestParser()
         super(LogsList, self).__init__()
@@ -65,10 +66,10 @@ class LogsList(AuthenticatedResource):
            :statuscode 200: no error
         """
         parser = paginated_parser.copy()
-        parser.add_argument('owner', type=str, location='args')
+        parser.add_argument("owner", type=str, location="args")
-        parser.add_argument('id', type=str, location='args')
+        parser.add_argument("id", type=str, location="args")
         args = parser.parse_args()
         return service.render(args)
 
 
-api.add_resource(LogsList, '/logs', endpoint='logs')
+api.add_resource(LogsList, "/logs", endpoint="logs")

lemur/manage.py

@@ -52,24 +52,24 @@ from lemur.dns_providers.models import DnsProvider  # noqa
 from sqlalchemy.sql import text
 
 manager = Manager(create_app)
-manager.add_option('-c', '--config', dest='config_path', required=False)
+manager.add_option("-c", "--config", dest="config_path", required=False)
 
 migrate = Migrate(create_app)
 
 REQUIRED_VARIABLES = [
-    'LEMUR_SECURITY_TEAM_EMAIL',
+    "LEMUR_SECURITY_TEAM_EMAIL",
-    'LEMUR_DEFAULT_ORGANIZATIONAL_UNIT',
+    "LEMUR_DEFAULT_ORGANIZATIONAL_UNIT",
-    'LEMUR_DEFAULT_ORGANIZATION',
+    "LEMUR_DEFAULT_ORGANIZATION",
-    'LEMUR_DEFAULT_LOCATION',
+    "LEMUR_DEFAULT_LOCATION",
-    'LEMUR_DEFAULT_COUNTRY',
+    "LEMUR_DEFAULT_COUNTRY",
-    'LEMUR_DEFAULT_STATE',
+    "LEMUR_DEFAULT_STATE",
-    'SQLALCHEMY_DATABASE_URI'
+    "SQLALCHEMY_DATABASE_URI",
 ]
 
 KEY_LENGTH = 40
-DEFAULT_CONFIG_PATH = '~/.lemur/lemur.conf.py'
+DEFAULT_CONFIG_PATH = "~/.lemur/lemur.conf.py"
-DEFAULT_SETTINGS = 'lemur.conf.server'
+DEFAULT_SETTINGS = "lemur.conf.server"
-SETTINGS_ENVVAR = 'LEMUR_CONF'
+SETTINGS_ENVVAR = "LEMUR_CONF"
 
 CONFIG_TEMPLATE = """
 # This is just Python which means you can inherit and tweak settings
@@ -144,9 +144,9 @@ SQLALCHEMY_DATABASE_URI = 'postgresql://lemur:lemur@localhost:5432/lemur'
 
 @MigrateCommand.command
 def create():
-    database.db.engine.execute(text('CREATE EXTENSION IF NOT EXISTS pg_trgm'))
+    database.db.engine.execute(text("CREATE EXTENSION IF NOT EXISTS pg_trgm"))
     database.db.create_all()
-    stamp(revision='head')
+    stamp(revision="head")
 
 
 @MigrateCommand.command
@@ -174,9 +174,9 @@ def generate_settings():
     output = CONFIG_TEMPLATE.format(
         # we use Fernet.generate_key to make sure that the key length is
         # compatible with Fernet
-        encryption_key=Fernet.generate_key().decode('utf-8'),
+        encryption_key=Fernet.generate_key().decode("utf-8"),
-        secret_token=base64.b64encode(os.urandom(KEY_LENGTH)).decode('utf-8'),
+        secret_token=base64.b64encode(os.urandom(KEY_LENGTH)).decode("utf-8"),
-        flask_secret_key=base64.b64encode(os.urandom(KEY_LENGTH)).decode('utf-8'),
+        flask_secret_key=base64.b64encode(os.urandom(KEY_LENGTH)).decode("utf-8"),
     )
 
     return output
@@ -190,39 +190,44 @@ class InitializeApp(Command):
     Additionally a Lemur user will be created as a default user
     and be used when certificates are discovered by Lemur.
     """
-    option_list = (
+
-        Option('-p', '--password', dest='password'),
+    option_list = (Option("-p", "--password", dest="password"),)
-    )
 
     def run(self, password):
         create()
         user = user_service.get_by_username("lemur")
 
-        admin_role = role_service.get_by_name('admin')
+        admin_role = role_service.get_by_name("admin")
 
         if admin_role:
             sys.stdout.write("[-] Admin role already created, skipping...!\n")
         else:
             # we create an admin role
-            admin_role = role_service.create('admin', description='This is the Lemur administrator role.')
+            admin_role = role_service.create(
+                "admin", description="This is the Lemur administrator role."
+            )
             sys.stdout.write("[+] Created 'admin' role\n")
 
-        operator_role = role_service.get_by_name('operator')
+        operator_role = role_service.get_by_name("operator")
 
         if operator_role:
             sys.stdout.write("[-] Operator role already created, skipping...!\n")
         else:
             # we create an operator role
-            operator_role = role_service.create('operator', description='This is the Lemur operator role.')
+            operator_role = role_service.create(
+                "operator", description="This is the Lemur operator role."
+            )
             sys.stdout.write("[+] Created 'operator' role\n")
 
-        read_only_role = role_service.get_by_name('read-only')
+        read_only_role = role_service.get_by_name("read-only")
 
         if read_only_role:
             sys.stdout.write("[-] Read only role already created, skipping...!\n")
         else:
             # we create an read only role
-            read_only_role = role_service.create('read-only', description='This is the Lemur read only role.')
+            read_only_role = role_service.create(
+                "read-only", description="This is the Lemur read only role."
+            )
             sys.stdout.write("[+] Created 'read-only' role\n")
 
         if not user:
@@ -235,34 +240,54 @@ class InitializeApp(Command):
                     sys.stderr.write("[!] Passwords do not match!\n")
                     sys.exit(1)
 
-            user_service.create("lemur", password, 'lemur@nobody.com', True, None, [admin_role])
+            user_service.create(
-            sys.stdout.write("[+] Created the user 'lemur' and granted it the 'admin' role!\n")
+                "lemur", password, "lemur@nobody.com", True, None, [admin_role]
+            )
+            sys.stdout.write(
+                "[+] Created the user 'lemur' and granted it the 'admin' role!\n"
+            )
 
         else:
-            sys.stdout.write("[-] Default user has already been created, skipping...!\n")
+            sys.stdout.write(
+                "[-] Default user has already been created, skipping...!\n"
+            )
 
-        intervals = current_app.config.get("LEMUR_DEFAULT_EXPIRATION_NOTIFICATION_INTERVALS", [])
+        intervals = current_app.config.get(
+            "LEMUR_DEFAULT_EXPIRATION_NOTIFICATION_INTERVALS", []
+        )
         sys.stdout.write(
             "[!] Creating {num} notifications for {intervals} days as specified by LEMUR_DEFAULT_EXPIRATION_NOTIFICATION_INTERVALS\n".format(
-                num=len(intervals),
+                num=len(intervals), intervals=",".join([str(x) for x in intervals])
-                intervals=",".join([str(x) for x in intervals])
             )
         )
 
-        recipients = current_app.config.get('LEMUR_SECURITY_TEAM_EMAIL')
+        recipients = current_app.config.get("LEMUR_SECURITY_TEAM_EMAIL")
         sys.stdout.write("[+] Creating expiration email notifications!\n")
-        sys.stdout.write("[!] Using {0} as specified by LEMUR_SECURITY_TEAM_EMAIL for notifications\n".format(recipients))
+        sys.stdout.write(
-        notification_service.create_default_expiration_notifications("DEFAULT_SECURITY", recipients=recipients)
+            "[!] Using {0} as specified by LEMUR_SECURITY_TEAM_EMAIL for notifications\n".format(
+                recipients
+            )
+        )
+        notification_service.create_default_expiration_notifications(
+            "DEFAULT_SECURITY", recipients=recipients
+        )
 
-        _DEFAULT_ROTATION_INTERVAL = 'default'
+        _DEFAULT_ROTATION_INTERVAL = "default"
-        default_rotation_interval = policy_service.get_by_name(_DEFAULT_ROTATION_INTERVAL)
+        default_rotation_interval = policy_service.get_by_name(
+            _DEFAULT_ROTATION_INTERVAL
+        )
 
         if default_rotation_interval:
-            sys.stdout.write("[-] Default rotation interval policy already created, skipping...!\n")
+            sys.stdout.write(
+                "[-] Default rotation interval policy already created, skipping...!\n"
+            )
         else:
             days = current_app.config.get("LEMUR_DEFAULT_ROTATION_INTERVAL", 30)
-            sys.stdout.write("[+] Creating default certificate rotation policy of {days} days before issuance.\n".format(
+            sys.stdout.write(
-                days=days))
+                "[+] Creating default certificate rotation policy of {days} days before issuance.\n".format(
+                    days=days
+                )
+            )
             policy_service.create(days=days, name=_DEFAULT_ROTATION_INTERVAL)
 
         sys.stdout.write("[/] Done!\n")
@@ -272,12 +297,13 @@ class CreateUser(Command):
     """
     This command allows for the creation of a new user within Lemur.
     """
+
     option_list = (
-        Option('-u', '--username', dest='username', required=True),
+        Option("-u", "--username", dest="username", required=True),
-        Option('-e', '--email', dest='email', required=True),
+        Option("-e", "--email", dest="email", required=True),
-        Option('-a', '--active', dest='active', default=True),
+        Option("-a", "--active", dest="active", default=True),
-        Option('-r', '--roles', dest='roles', action='append', default=[]),
+        Option("-r", "--roles", dest="roles", action="append", default=[]),
-        Option('-p', '--password', dest='password', default=None)
+        Option("-p", "--password", dest="password", default=None),
     )
 
     def run(self, username, email, active, roles, password):
@@ -307,9 +333,8 @@ class ResetPassword(Command):
     """
     This command allows you to reset a user's password.
     """
-    option_list = (
+
-        Option('-u', '--username', dest='username', required=True),
+    option_list = (Option("-u", "--username", dest="username", required=True),)
-    )
 
     def run(self, username):
         user = user_service.get_by_username(username)
@@ -335,10 +360,11 @@ class CreateRole(Command):
     """
     This command allows for the creation of a new role within Lemur
     """
+
     option_list = (
-        Option('-n', '--name', dest='name', required=True),
+        Option("-n", "--name", dest="name", required=True),
-        Option('-u', '--users', dest='users', default=[]),
+        Option("-u", "--users", dest="users", default=[]),
-        Option('-d', '--description', dest='description', required=True)
+        Option("-d", "--description", dest="description", required=True),
     )
 
     def run(self, name, users, description):
@@ -369,7 +395,8 @@ class LemurServer(Command):
 
     Will start gunicorn with 4 workers bound to 127.0.0.0:8002
     """
-    description = 'Run the app within Gunicorn'
+
+    description = "Run the app within Gunicorn"
 
     def get_options(self):
         settings = make_settings()
@@ -377,8 +404,10 @@ class LemurServer(Command):
         for setting, klass in settings.items():
             if klass.cli:
                 if klass.action:
-                    if klass.action == 'store_const':
+                    if klass.action == "store_const":
-                        options.append(Option(*klass.cli, const=klass.const, action=klass.action))
+                        options.append(
+                            Option(*klass.cli, const=klass.const, action=klass.action)
+                        )
                     else:
                         options.append(Option(*klass.cli, action=klass.action))
                 else:
@@ -394,7 +423,9 @@ class LemurServer(Command):
         # run startup tasks on an app like object
         validate_conf(current_app, REQUIRED_VARIABLES)
 
-        app.app_uri = 'lemur:create_app(config_path="{0}")'.format(current_app.config.get('CONFIG_PATH'))
+        app.app_uri = 'lemur:create_app(config_path="{0}")'.format(
+            current_app.config.get("CONFIG_PATH")
+        )
 
         return app.run()
 
@@ -414,7 +445,7 @@ def create_config(config_path=None):
         os.makedirs(dir)
 
     config = generate_settings()
-    with open(config_path, 'w') as f:
+    with open(config_path, "w") as f:
         f.write(config)
 
     sys.stdout.write("[+] Created a new configuration file {0}\n".format(config_path))
@@ -436,7 +467,7 @@ def lock(path=None):
     :param: path
     """
     if not path:
-        path = os.path.expanduser('~/.lemur/keys')
+        path = os.path.expanduser("~/.lemur/keys")
 
     dest_dir = os.path.join(path, "encrypted")
     sys.stdout.write("[!] Generating a new key...\n")
@@ -447,15 +478,17 @@ def lock(path=None):
         sys.stdout.write("[+] Creating encryption directory: {0}\n".format(dest_dir))
         os.makedirs(dest_dir)
 
-    for root, dirs, files in os.walk(os.path.join(path, 'decrypted')):
+    for root, dirs, files in os.walk(os.path.join(path, "decrypted")):
         for f in files:
             source = os.path.join(root, f)
             dest = os.path.join(dest_dir, f + ".enc")
-            with open(source, 'rb') as in_file, open(dest, 'wb') as out_file:
+            with open(source, "rb") as in_file, open(dest, "wb") as out_file:
                 f = Fernet(key)
                 data = f.encrypt(in_file.read())
                 out_file.write(data)
-                sys.stdout.write("[+] Writing file: {0} Source: {1}\n".format(dest, source))
+                sys.stdout.write(
+                    "[+] Writing file: {0} Source: {1}\n".format(dest, source)
+                )
 
     sys.stdout.write("[+] Keys have been encrypted with key {0}\n".format(key))
 
@@ -475,7 +508,7 @@ def unlock(path=None):
     key = prompt_pass("[!] Please enter the encryption password")
 
     if not path:
-        path = os.path.expanduser('~/.lemur/keys')
+        path = os.path.expanduser("~/.lemur/keys")
 
     dest_dir = os.path.join(path, "decrypted")
     source_dir = os.path.join(path, "encrypted")
@@ -488,11 +521,13 @@ def unlock(path=None):
         for f in files:
             source = os.path.join(source_dir, f)
             dest = os.path.join(dest_dir, ".".join(f.split(".")[:-1]))
-            with open(source, 'rb') as in_file, open(dest, 'wb') as out_file:
+            with open(source, "rb") as in_file, open(dest, "wb") as out_file:
                 f = Fernet(key)
                 data = f.decrypt(in_file.read())
                 out_file.write(data)
-                sys.stdout.write("[+] Writing file: {0} Source: {1}\n".format(dest, source))
+                sys.stdout.write(
+                    "[+] Writing file: {0} Source: {1}\n".format(dest, source)
+                )
 
     sys.stdout.write("[+] Keys have been unencrypted!\n")
 
@@ -505,15 +540,16 @@ def publish_verisign_units():
     :return:
     """
     from lemur.plugins import plugins
-    v = plugins.get('verisign-issuer')
+
+    v = plugins.get("verisign-issuer")
     units = v.get_available_units()
 
     metrics = {}
     for item in units:
-        if item['@type'] in metrics.keys():
+        if item["@type"] in metrics.keys():
-            metrics[item['@type']] += int(item['@remaining'])
+            metrics[item["@type"]] += int(item["@remaining"])
         else:
-            metrics.update({item['@type']: int(item['@remaining'])})
+            metrics.update({item["@type"]: int(item["@remaining"])})
 
     for name, value in metrics.items():
         metric = [
@@ -522,16 +558,16 @@ def publish_verisign_units():
                 "type": "GAUGE",
                 "name": "Symantec {0} Unit Count".format(name),
                 "tags": {},
-                "value": value
+                "value": value,
             }
         ]
 
-        requests.post('http://localhost:8078/metrics', data=json.dumps(metric))
+        requests.post("http://localhost:8078/metrics", data=json.dumps(metric))
 
 
 def main():
     manager.add_command("start", LemurServer())
-    manager.add_command("runserver", Server(host='127.0.0.1', threaded=True))
+    manager.add_command("runserver", Server(host="127.0.0.1", threaded=True))
     manager.add_command("clean", Clean())
     manager.add_command("show_urls", ShowUrls())
     manager.add_command("db", MigrateCommand)

lemur/metrics.py

@@ -11,6 +11,7 @@ class Metrics(object):
     """
     :param app: The Flask application object. Defaults to None.
     """
+
     _providers = []
 
     def __init__(self, app=None):
@@ -22,11 +23,14 @@ class Metrics(object):
 
         :param app: The Flask application object.
         """
-        self._providers = app.config.get('METRIC_PROVIDERS', [])
+        self._providers = app.config.get("METRIC_PROVIDERS", [])
 
     def send(self, metric_name, metric_type, metric_value, *args, **kwargs):
         for provider in self._providers:
             current_app.logger.debug(
-                "Sending metric '{metric}' to the {provider} provider.".format(metric=metric_name, provider=provider))
+                "Sending metric '{metric}' to the {provider} provider.".format(
+                    metric=metric_name, provider=provider
+                )
+            )
             p = plugins.get(provider)
             p.submit(metric_name, metric_type, metric_value, *args, **kwargs)

lemur/migrations/env.py

@@ -19,8 +19,11 @@ fileConfig(config.config_file_name)
 # from myapp import mymodel
 # target_metadata = mymodel.Base.metadata
 from flask import current_app
-config.set_main_option('sqlalchemy.url', current_app.config.get('SQLALCHEMY_DATABASE_URI'))
+
-target_metadata = current_app.extensions['migrate'].db.metadata
+config.set_main_option(
+    "sqlalchemy.url", current_app.config.get("SQLALCHEMY_DATABASE_URI")
+)
+target_metadata = current_app.extensions["migrate"].db.metadata
 
 # other values from the config, defined by the needs of env.py,
 # can be acquired:
@@ -54,14 +57,18 @@ def run_migrations_online():
     and associate a connection with the context.
 
     """
-    engine = engine_from_config(config.get_section(config.config_ini_section),
+    engine = engine_from_config(
-                                prefix='sqlalchemy.',
+        config.get_section(config.config_ini_section),
-                                poolclass=pool.NullPool)
+        prefix="sqlalchemy.",
+        poolclass=pool.NullPool,
+    )
 
     connection = engine.connect()
-    context.configure(connection=connection,
+    context.configure(
+        connection=connection,
         target_metadata=target_metadata,
-                      **current_app.extensions['migrate'].configure_args)
+        **current_app.extensions["migrate"].configure_args
+    )
 
     try:
         with context.begin_transaction():
@@ -69,8 +76,8 @@ def run_migrations_online():
     finally:
         connection.close()
 
+
 if context.is_offline_mode():
     run_migrations_offline()
 else:
     run_migrations_online()
-

lemur/migrations/versions/131ec6accff5_.py

@@ -7,8 +7,8 @@ Create Date: 2016-12-07 17:29:42.049986
 """
 
 # revision identifiers, used by Alembic.
-revision = '131ec6accff5'
+revision = "131ec6accff5"
-down_revision = 'e3691fc396e9'
+down_revision = "e3691fc396e9"
 
 from alembic import op
 import sqlalchemy as sa
@@ -16,13 +16,24 @@ import sqlalchemy as sa
 
 def upgrade():
     # ### commands auto generated by Alembic - please adjust! ###
-    op.add_column('certificates', sa.Column('rotation', sa.Boolean(), nullable=False, server_default=sa.false()))
+    op.add_column(
-    op.add_column('endpoints', sa.Column('last_updated', sa.DateTime(), server_default=sa.text('now()'), nullable=False))
+        "certificates",
+        sa.Column("rotation", sa.Boolean(), nullable=False, server_default=sa.false()),
+    )
+    op.add_column(
+        "endpoints",
+        sa.Column(
+            "last_updated",
+            sa.DateTime(),
+            server_default=sa.text("now()"),
+            nullable=False,
+        ),
+    )
     # ### end Alembic commands ###
 
 
 def downgrade():
     # ### commands auto generated by Alembic - please adjust! ###
-    op.drop_column('endpoints', 'last_updated')
+    op.drop_column("endpoints", "last_updated")
-    op.drop_column('certificates', 'rotation')
+    op.drop_column("certificates", "rotation")
     # ### end Alembic commands ###

lemur/migrations/versions/1ae8e3104db8_.py

@@ -7,15 +7,19 @@ Create Date: 2017-07-13 12:32:09.162800
 """
 
 # revision identifiers, used by Alembic.
-revision = '1ae8e3104db8'
+revision = "1ae8e3104db8"
-down_revision = 'a02a678ddc25'
+down_revision = "a02a678ddc25"
 
 from alembic import op
 
 
 def upgrade():
-    op.sync_enum_values('public', 'log_type', ['key_view'], ['create_cert', 'key_view', 'update_cert'])
+    op.sync_enum_values(
+        "public", "log_type", ["key_view"], ["create_cert", "key_view", "update_cert"]
+    )
 
 
 def downgrade():
-    op.sync_enum_values('public', 'log_type', ['create_cert', 'key_view', 'update_cert'], ['key_view'])
+    op.sync_enum_values(
+        "public", "log_type", ["create_cert", "key_view", "update_cert"], ["key_view"]
+    )

lemur/migrations/versions/1db4f82bc780_.py

@@ -7,8 +7,8 @@ Create Date: 2018-08-03 12:56:44.565230
 """
 
 # revision identifiers, used by Alembic.
-revision = '1db4f82bc780'
+revision = "1db4f82bc780"
-down_revision = '3adfdd6598df'
+down_revision = "3adfdd6598df"
 
 import logging
 
@@ -20,12 +20,14 @@ log = logging.getLogger(__name__)
 def upgrade():
     connection = op.get_bind()
 
-    result = connection.execute("""\
+    result = connection.execute(
+        """\
        UPDATE certificates
            SET rotation_policy_id=(SELECT id FROM rotation_policies WHERE name='default')
          WHERE rotation_policy_id IS NULL
         RETURNING id
-    """)
+    """
+    )
     log.info("Filled rotation_policy for %d certificates" % result.rowcount)
 
 

lemur/migrations/versions/29d8c8455c86_.py

@@ -7,8 +7,8 @@ Create Date: 2016-06-28 16:05:25.720213
 """
 
 # revision identifiers, used by Alembic.
-revision = '29d8c8455c86'
+revision = "29d8c8455c86"
-down_revision = '3307381f3b88'
+down_revision = "3307381f3b88"
 
 from alembic import op
 import sqlalchemy as sa
@@ -17,46 +17,60 @@ from sqlalchemy.dialects import postgresql
 
 def upgrade():
     ### commands auto generated by Alembic - please adjust! ###
-    op.create_table('ciphers',
+    op.create_table(
-    sa.Column('id', sa.Integer(), nullable=False),
+        "ciphers",
-    sa.Column('name', sa.String(length=128), nullable=False),
+        sa.Column("id", sa.Integer(), nullable=False),
-    sa.PrimaryKeyConstraint('id')
+        sa.Column("name", sa.String(length=128), nullable=False),
+        sa.PrimaryKeyConstraint("id"),
     )
-    op.create_table('policy',
+    op.create_table(
-    sa.Column('id', sa.Integer(), nullable=False),
+        "policy",
-    sa.Column('name', sa.String(length=128), nullable=True),
+        sa.Column("id", sa.Integer(), nullable=False),
-    sa.PrimaryKeyConstraint('id')
+        sa.Column("name", sa.String(length=128), nullable=True),
+        sa.PrimaryKeyConstraint("id"),
     )
-    op.create_table('policies_ciphers',
+    op.create_table(
-    sa.Column('cipher_id', sa.Integer(), nullable=True),
+        "policies_ciphers",
-    sa.Column('policy_id', sa.Integer(), nullable=True),
+        sa.Column("cipher_id", sa.Integer(), nullable=True),
-    sa.ForeignKeyConstraint(['cipher_id'], ['ciphers.id'], ),
+        sa.Column("policy_id", sa.Integer(), nullable=True),
-    sa.ForeignKeyConstraint(['policy_id'], ['policy.id'], )
+        sa.ForeignKeyConstraint(["cipher_id"], ["ciphers.id"]),
+        sa.ForeignKeyConstraint(["policy_id"], ["policy.id"]),
     )
-    op.create_index('policies_ciphers_ix', 'policies_ciphers', ['cipher_id', 'policy_id'], unique=False)
+    op.create_index(
-    op.create_table('endpoints',
+        "policies_ciphers_ix",
-    sa.Column('id', sa.Integer(), nullable=False),
+        "policies_ciphers",
-    sa.Column('owner', sa.String(length=128), nullable=True),
+        ["cipher_id", "policy_id"],
-    sa.Column('name', sa.String(length=128), nullable=True),
+        unique=False,
-    sa.Column('dnsname', sa.String(length=256), nullable=True),
+    )
-    sa.Column('type', sa.String(length=128), nullable=True),
+    op.create_table(
-    sa.Column('active', sa.Boolean(), nullable=True),
+        "endpoints",
-    sa.Column('port', sa.Integer(), nullable=True),
+        sa.Column("id", sa.Integer(), nullable=False),
-    sa.Column('date_created', sa.DateTime(), server_default=sa.text(u'now()'), nullable=False),
+        sa.Column("owner", sa.String(length=128), nullable=True),
-    sa.Column('policy_id', sa.Integer(), nullable=True),
+        sa.Column("name", sa.String(length=128), nullable=True),
-    sa.Column('certificate_id', sa.Integer(), nullable=True),
+        sa.Column("dnsname", sa.String(length=256), nullable=True),
-    sa.ForeignKeyConstraint(['certificate_id'], ['certificates.id'], ),
+        sa.Column("type", sa.String(length=128), nullable=True),
-    sa.ForeignKeyConstraint(['policy_id'], ['policy.id'], ),
+        sa.Column("active", sa.Boolean(), nullable=True),
-    sa.PrimaryKeyConstraint('id')
+        sa.Column("port", sa.Integer(), nullable=True),
+        sa.Column(
+            "date_created",
+            sa.DateTime(),
+            server_default=sa.text(u"now()"),
+            nullable=False,
+        ),
+        sa.Column("policy_id", sa.Integer(), nullable=True),
+        sa.Column("certificate_id", sa.Integer(), nullable=True),
+        sa.ForeignKeyConstraint(["certificate_id"], ["certificates.id"]),
+        sa.ForeignKeyConstraint(["policy_id"], ["policy.id"]),
+        sa.PrimaryKeyConstraint("id"),
     )
     ### end Alembic commands ###
 
 
 def downgrade():
     ### commands auto generated by Alembic - please adjust! ###
-    op.drop_table('endpoints')
+    op.drop_table("endpoints")
-    op.drop_index('policies_ciphers_ix', table_name='policies_ciphers')
+    op.drop_index("policies_ciphers_ix", table_name="policies_ciphers")
-    op.drop_table('policies_ciphers')
+    op.drop_table("policies_ciphers")
-    op.drop_table('policy')
+    op.drop_table("policy")
-    op.drop_table('ciphers')
+    op.drop_table("ciphers")
     ### end Alembic commands ###

lemur/migrations/versions/318b66568358_.py

@@ -7,8 +7,8 @@ Create Date: 2019-02-05 15:42:25.477587
 """
 
 # revision identifiers, used by Alembic.
-revision = '318b66568358'
+revision = "318b66568358"
-down_revision = '9f79024fe67b'
+down_revision = "9f79024fe67b"
 
 from alembic import op
 
@@ -16,7 +16,7 @@ from alembic import op
 def upgrade():
     connection = op.get_bind()
     # Delete duplicate entries
-    connection.execute('UPDATE certificates SET deleted = false WHERE deleted IS NULL')
+    connection.execute("UPDATE certificates SET deleted = false WHERE deleted IS NULL")
 
 
 def downgrade():

lemur/migrations/versions/3307381f3b88_.py

@@ -12,8 +12,8 @@ Create Date: 2016-05-20 17:33:04.360687
 """
 
 # revision identifiers, used by Alembic.
-revision = '3307381f3b88'
+revision = "3307381f3b88"
-down_revision = '412b22cb656a'
+down_revision = "412b22cb656a"
 
 from alembic import op
 import sqlalchemy as sa
@@ -23,109 +23,165 @@ from sqlalchemy.dialects import postgresql
 
 def upgrade():
     ### commands auto generated by Alembic - please adjust! ###
-    op.alter_column('authorities', 'owner',
+    op.alter_column(
-               existing_type=sa.VARCHAR(length=128),
+        "authorities", "owner", existing_type=sa.VARCHAR(length=128), nullable=True
-               nullable=True)
+    )
-    op.drop_column('authorities', 'not_after')
+    op.drop_column("authorities", "not_after")
-    op.drop_column('authorities', 'bits')
+    op.drop_column("authorities", "bits")
-    op.drop_column('authorities', 'cn')
+    op.drop_column("authorities", "cn")
-    op.drop_column('authorities', 'not_before')
+    op.drop_column("authorities", "not_before")
-    op.add_column('certificates', sa.Column('root_authority_id', sa.Integer(), nullable=True))
+    op.add_column(
-    op.alter_column('certificates', 'body',
+        "certificates", sa.Column("root_authority_id", sa.Integer(), nullable=True)
-               existing_type=sa.TEXT(),
+    )
-               nullable=False)
+    op.alter_column("certificates", "body", existing_type=sa.TEXT(), nullable=False)
-    op.alter_column('certificates', 'owner',
+    op.alter_column(
-               existing_type=sa.VARCHAR(length=128),
+        "certificates", "owner", existing_type=sa.VARCHAR(length=128), nullable=True
-               nullable=True)
+    )
-    op.drop_constraint(u'certificates_authority_id_fkey', 'certificates', type_='foreignkey')
+    op.drop_constraint(
-    op.create_foreign_key(None, 'certificates', 'authorities', ['authority_id'], ['id'], ondelete='CASCADE')
+        u"certificates_authority_id_fkey", "certificates", type_="foreignkey"
-    op.create_foreign_key(None, 'certificates', 'authorities', ['root_authority_id'], ['id'], ondelete='CASCADE')
+    )
+    op.create_foreign_key(
+        None,
+        "certificates",
+        "authorities",
+        ["authority_id"],
+        ["id"],
+        ondelete="CASCADE",
+    )
+    op.create_foreign_key(
+        None,
+        "certificates",
+        "authorities",
+        ["root_authority_id"],
+        ["id"],
+        ondelete="CASCADE",
+    )
     ### end Alembic commands ###
 
     # link existing certificate to their authority certificates
     conn = op.get_bind()
-    for id, body, owner in conn.execute(text('select id, body, owner from authorities')):
+    for id, body, owner in conn.execute(
+        text("select id, body, owner from authorities")
+    ):
         if not owner:
             owner = "lemur@nobody"
 
         # look up certificate by body, if duplications are found, pick one
-        stmt = text('select id from certificates where body=:body')
+        stmt = text("select id from certificates where body=:body")
         stmt = stmt.bindparams(body=body)
         root_certificate = conn.execute(stmt).fetchone()
         if root_certificate:
-            stmt = text('update certificates set root_authority_id=:root_authority_id where id=:id')
+            stmt = text(
+                "update certificates set root_authority_id=:root_authority_id where id=:id"
+            )
             stmt = stmt.bindparams(root_authority_id=id, id=root_certificate[0])
             op.execute(stmt)
 
         # link owner roles to their authorities
-        stmt = text('select id from roles where name=:name')
+        stmt = text("select id from roles where name=:name")
         stmt = stmt.bindparams(name=owner)
         owner_role = conn.execute(stmt).fetchone()
 
         if not owner_role:
-            stmt = text('insert into roles (name, description) values (:name, :description)')
+            stmt = text(
-            stmt = stmt.bindparams(name=owner, description='Lemur generated role or existing owner.')
+                "insert into roles (name, description) values (:name, :description)"
+            )
+            stmt = stmt.bindparams(
+                name=owner, description="Lemur generated role or existing owner."
+            )
             op.execute(stmt)
 
-        stmt = text('select id from roles where name=:name')
+        stmt = text("select id from roles where name=:name")
         stmt = stmt.bindparams(name=owner)
         owner_role = conn.execute(stmt).fetchone()
 
-        stmt = text('select * from roles_authorities where role_id=:role_id and authority_id=:authority_id')
+        stmt = text(
+            "select * from roles_authorities where role_id=:role_id and authority_id=:authority_id"
+        )
         stmt = stmt.bindparams(role_id=owner_role[0], authority_id=id)
         exists = conn.execute(stmt).fetchone()
 
         if not exists:
-            stmt = text('insert into roles_authorities (role_id, authority_id) values (:role_id, :authority_id)')
+            stmt = text(
+                "insert into roles_authorities (role_id, authority_id) values (:role_id, :authority_id)"
+            )
             stmt = stmt.bindparams(role_id=owner_role[0], authority_id=id)
             op.execute(stmt)
 
     # link owner roles to their certificates
-    for id, owner in conn.execute(text('select id, owner from certificates')):
+    for id, owner in conn.execute(text("select id, owner from certificates")):
         if not owner:
             owner = "lemur@nobody"
 
-        stmt = text('select id from roles where name=:name')
+        stmt = text("select id from roles where name=:name")
         stmt = stmt.bindparams(name=owner)
         owner_role = conn.execute(stmt).fetchone()
 
         if not owner_role:
-            stmt = text('insert into roles (name, description) values (:name, :description)')
+            stmt = text(
-            stmt = stmt.bindparams(name=owner, description='Lemur generated role or existing owner.')
+                "insert into roles (name, description) values (:name, :description)"
+            )
+            stmt = stmt.bindparams(
+                name=owner, description="Lemur generated role or existing owner."
+            )
             op.execute(stmt)
 
         # link owner roles to their authorities
-        stmt = text('select id from roles where name=:name')
+        stmt = text("select id from roles where name=:name")
         stmt = stmt.bindparams(name=owner)
         owner_role = conn.execute(stmt).fetchone()
 
-        stmt = text('select * from roles_certificates where role_id=:role_id and certificate_id=:certificate_id')
+        stmt = text(
+            "select * from roles_certificates where role_id=:role_id and certificate_id=:certificate_id"
+        )
         stmt = stmt.bindparams(role_id=owner_role[0], certificate_id=id)
         exists = conn.execute(stmt).fetchone()
 
         if not exists:
-            stmt = text('insert into roles_certificates (role_id, certificate_id) values (:role_id, :certificate_id)')
+            stmt = text(
+                "insert into roles_certificates (role_id, certificate_id) values (:role_id, :certificate_id)"
+            )
             stmt = stmt.bindparams(role_id=owner_role[0], certificate_id=id)
             op.execute(stmt)
 
 
 def downgrade():
     ### commands auto generated by Alembic - please adjust! ###
-    op.drop_constraint(None, 'certificates', type_='foreignkey')
+    op.drop_constraint(None, "certificates", type_="foreignkey")
-    op.drop_constraint(None, 'certificates', type_='foreignkey')
+    op.drop_constraint(None, "certificates", type_="foreignkey")
-    op.create_foreign_key(u'certificates_authority_id_fkey', 'certificates', 'authorities', ['authority_id'], ['id'])
+    op.create_foreign_key(
-    op.alter_column('certificates', 'owner',
+        u"certificates_authority_id_fkey",
-               existing_type=sa.VARCHAR(length=128),
+        "certificates",
-               nullable=True)
+        "authorities",
-    op.alter_column('certificates', 'body',
+        ["authority_id"],
-               existing_type=sa.TEXT(),
+        ["id"],
-               nullable=True)
+    )
-    op.drop_column('certificates', 'root_authority_id')
+    op.alter_column(
-    op.add_column('authorities', sa.Column('not_before', postgresql.TIMESTAMP(), autoincrement=False, nullable=True))
+        "certificates", "owner", existing_type=sa.VARCHAR(length=128), nullable=True
-    op.add_column('authorities', sa.Column('cn', sa.VARCHAR(length=128), autoincrement=False, nullable=True))
+    )
-    op.add_column('authorities', sa.Column('bits', sa.INTEGER(), autoincrement=False, nullable=True))
+    op.alter_column("certificates", "body", existing_type=sa.TEXT(), nullable=True)
-    op.add_column('authorities', sa.Column('not_after', postgresql.TIMESTAMP(), autoincrement=False, nullable=True))
+    op.drop_column("certificates", "root_authority_id")
-    op.alter_column('authorities', 'owner',
+    op.add_column(
-               existing_type=sa.VARCHAR(length=128),
+        "authorities",
-               nullable=True)
+        sa.Column(
+            "not_before", postgresql.TIMESTAMP(), autoincrement=False, nullable=True
+        ),
+    )
+    op.add_column(
+        "authorities",
+        sa.Column("cn", sa.VARCHAR(length=128), autoincrement=False, nullable=True),
+    )
+    op.add_column(
+        "authorities",
+        sa.Column("bits", sa.INTEGER(), autoincrement=False, nullable=True),
+    )
+    op.add_column(
+        "authorities",
+        sa.Column(
+            "not_after", postgresql.TIMESTAMP(), autoincrement=False, nullable=True
+        ),
+    )
+    op.alter_column(
+        "authorities", "owner", existing_type=sa.VARCHAR(length=128), nullable=True
+    )
     ### end Alembic commands ###

lemur/migrations/versions/33de094da890_.py

@@ -7,25 +7,31 @@ Create Date: 2015-11-30 15:40:19.827272
 """
 
 # revision identifiers, used by Alembic.
-revision = '33de094da890'
+revision = "33de094da890"
 down_revision = None
 
 from alembic import op
 import sqlalchemy as sa
 from sqlalchemy.dialects import postgresql
 
+
 def upgrade():
     ### commands auto generated by Alembic - please adjust! ###
-    op.create_table('certificate_replacement_associations',
+    op.create_table(
-    sa.Column('replaced_certificate_id', sa.Integer(), nullable=True),
+        "certificate_replacement_associations",
-    sa.Column('certificate_id', sa.Integer(), nullable=True),
+        sa.Column("replaced_certificate_id", sa.Integer(), nullable=True),
-    sa.ForeignKeyConstraint(['certificate_id'], ['certificates.id'], ondelete='cascade'),
+        sa.Column("certificate_id", sa.Integer(), nullable=True),
-    sa.ForeignKeyConstraint(['replaced_certificate_id'], ['certificates.id'], ondelete='cascade')
+        sa.ForeignKeyConstraint(
+            ["certificate_id"], ["certificates.id"], ondelete="cascade"
+        ),
+        sa.ForeignKeyConstraint(
+            ["replaced_certificate_id"], ["certificates.id"], ondelete="cascade"
+        ),
     )
     ### end Alembic commands ###
 
 
 def downgrade():
     ### commands auto generated by Alembic - please adjust! ###
-    op.drop_table('certificate_replacement_associations')
+    op.drop_table("certificate_replacement_associations")
     ### end Alembic commands ###

lemur/migrations/versions/3adfdd6598df_.py

@@ -7,8 +7,8 @@ Create Date: 2018-04-10 13:25:47.007556
 """
 
 # revision identifiers, used by Alembic.
-revision = '3adfdd6598df'
+revision = "3adfdd6598df"
-down_revision = '556ceb3e3c3e'
+down_revision = "556ceb3e3c3e"
 
 import sqlalchemy as sa
 from alembic import op
@@ -22,84 +22,90 @@ def upgrade():
     # create provider table
     print("Creating dns_providers table")
     op.create_table(
-        'dns_providers',
+        "dns_providers",
-        sa.Column('id', sa.Integer(), nullable=False),
+        sa.Column("id", sa.Integer(), nullable=False),
-        sa.Column('name', sa.String(length=256), nullable=True),
+        sa.Column("name", sa.String(length=256), nullable=True),
-        sa.Column('description', sa.String(length=1024), nullable=True),
+        sa.Column("description", sa.String(length=1024), nullable=True),
-        sa.Column('provider_type', sa.String(length=256), nullable=True),
+        sa.Column("provider_type", sa.String(length=256), nullable=True),
-        sa.Column('credentials', Vault(), nullable=True),
+        sa.Column("credentials", Vault(), nullable=True),
-        sa.Column('api_endpoint', sa.String(length=256), nullable=True),
+        sa.Column("api_endpoint", sa.String(length=256), nullable=True),
-        sa.Column('date_created', ArrowType(), server_default=sa.text('now()'), nullable=False),
+        sa.Column(
-        sa.Column('status', sa.String(length=128), nullable=True),
+            "date_created", ArrowType(), server_default=sa.text("now()"), nullable=False
-        sa.Column('options', JSON),
+        ),
-        sa.Column('domains', sa.JSON(), nullable=True),
+        sa.Column("status", sa.String(length=128), nullable=True),
-        sa.PrimaryKeyConstraint('id'),
+        sa.Column("options", JSON),
-        sa.UniqueConstraint('name')
+        sa.Column("domains", sa.JSON(), nullable=True),
+        sa.PrimaryKeyConstraint("id"),
+        sa.UniqueConstraint("name"),
     )
     print("Adding dns_provider_id column to certificates")
-    op.add_column('certificates', sa.Column('dns_provider_id', sa.Integer(), nullable=True))
+    op.add_column(
+        "certificates", sa.Column("dns_provider_id", sa.Integer(), nullable=True)
+    )
     print("Adding dns_provider_id column to pending_certs")
-    op.add_column('pending_certs', sa.Column('dns_provider_id', sa.Integer(), nullable=True))
+    op.add_column(
+        "pending_certs", sa.Column("dns_provider_id", sa.Integer(), nullable=True)
+    )
     print("Adding options column to pending_certs")
-    op.add_column('pending_certs', sa.Column('options', JSON))
+    op.add_column("pending_certs", sa.Column("options", JSON))
 
     print("Creating pending_dns_authorizations table")
     op.create_table(
-        'pending_dns_authorizations',
+        "pending_dns_authorizations",
-        sa.Column('id', sa.Integer(), primary_key=True, autoincrement=True),
+        sa.Column("id", sa.Integer(), primary_key=True, autoincrement=True),
-        sa.Column('account_number', sa.String(length=128), nullable=True),
+        sa.Column("account_number", sa.String(length=128), nullable=True),
-        sa.Column('domains', JSON, nullable=True),
+        sa.Column("domains", JSON, nullable=True),
-        sa.Column('dns_provider_type', sa.String(length=128), nullable=True),
+        sa.Column("dns_provider_type", sa.String(length=128), nullable=True),
-        sa.Column('options', JSON, nullable=True),
+        sa.Column("options", JSON, nullable=True),
     )
 
     print("Creating certificates_dns_providers_fk foreign key")
-    op.create_foreign_key('certificates_dns_providers_fk', 'certificates', 'dns_providers', ['dns_provider_id'], ['id'],
+    op.create_foreign_key(
-                          ondelete='cascade')
+        "certificates_dns_providers_fk",
+        "certificates",
+        "dns_providers",
+        ["dns_provider_id"],
+        ["id"],
+        ondelete="cascade",
+    )
 
     print("Altering column types in the api_keys table")
-    op.alter_column('api_keys', 'issued_at',
+    op.alter_column("api_keys", "issued_at", existing_type=sa.BIGINT(), nullable=True)
-                    existing_type=sa.BIGINT(),
+    op.alter_column("api_keys", "revoked", existing_type=sa.BOOLEAN(), nullable=True)
-                    nullable=True)
+    op.alter_column("api_keys", "ttl", existing_type=sa.BIGINT(), nullable=True)
-    op.alter_column('api_keys', 'revoked',
+    op.alter_column("api_keys", "user_id", existing_type=sa.INTEGER(), nullable=True)
-                    existing_type=sa.BOOLEAN(),
-                    nullable=True)
-    op.alter_column('api_keys', 'ttl',
-                    existing_type=sa.BIGINT(),
-                    nullable=True)
-    op.alter_column('api_keys', 'user_id',
-                    existing_type=sa.INTEGER(),
-                    nullable=True)
 
     print("Creating dns_providers_id foreign key on pending_certs table")
-    op.create_foreign_key(None, 'pending_certs', 'dns_providers', ['dns_provider_id'], ['id'], ondelete='CASCADE')
+    op.create_foreign_key(
+        None,
+        "pending_certs",
+        "dns_providers",
+        ["dns_provider_id"],
+        ["id"],
+        ondelete="CASCADE",
+    )
+
 
 def downgrade():
     print("Removing dns_providers_id foreign key on pending_certs table")
-    op.drop_constraint(None, 'pending_certs', type_='foreignkey')
+    op.drop_constraint(None, "pending_certs", type_="foreignkey")
     print("Reverting column types in the api_keys table")
-    op.alter_column('api_keys', 'user_id',
+    op.alter_column("api_keys", "user_id", existing_type=sa.INTEGER(), nullable=False)
-                    existing_type=sa.INTEGER(),
+    op.alter_column("api_keys", "ttl", existing_type=sa.BIGINT(), nullable=False)
-                    nullable=False)
+    op.alter_column("api_keys", "revoked", existing_type=sa.BOOLEAN(), nullable=False)
-    op.alter_column('api_keys', 'ttl',
+    op.alter_column("api_keys", "issued_at", existing_type=sa.BIGINT(), nullable=False)
-                    existing_type=sa.BIGINT(),
-                    nullable=False)
-    op.alter_column('api_keys', 'revoked',
-                    existing_type=sa.BOOLEAN(),
-                    nullable=False)
-    op.alter_column('api_keys', 'issued_at',
-                    existing_type=sa.BIGINT(),
-                    nullable=False)
     print("Reverting certificates_dns_providers_fk foreign key")
-    op.drop_constraint('certificates_dns_providers_fk', 'certificates', type_='foreignkey')
+    op.drop_constraint(
+        "certificates_dns_providers_fk", "certificates", type_="foreignkey"
+    )
 
     print("Dropping pending_dns_authorizations table")
-    op.drop_table('pending_dns_authorizations')
+    op.drop_table("pending_dns_authorizations")
     print("Undoing modifications to pending_certs table")
-    op.drop_column('pending_certs', 'options')
+    op.drop_column("pending_certs", "options")
-    op.drop_column('pending_certs', 'dns_provider_id')
+    op.drop_column("pending_certs", "dns_provider_id")
     print("Undoing modifications to certificates table")
-    op.drop_column('certificates', 'dns_provider_id')
+    op.drop_column("certificates", "dns_provider_id")
 
     print("Deleting dns_providers table")
-    op.drop_table('dns_providers')
+    op.drop_table("dns_providers")

lemur/migrations/versions/412b22cb656a_.py

@@ -7,8 +7,8 @@ Create Date: 2016-05-17 17:37:41.210232
 """
 
 # revision identifiers, used by Alembic.
-revision = '412b22cb656a'
+revision = "412b22cb656a"
-down_revision = '4c50b903d1ae'
+down_revision = "4c50b903d1ae"
 
 from alembic import op
 import sqlalchemy as sa
@@ -17,47 +17,102 @@ from sqlalchemy.sql import text
 
 def upgrade():
     ### commands auto generated by Alembic - please adjust! ###
-    op.create_table('roles_authorities',
+    op.create_table(
-    sa.Column('authority_id', sa.Integer(), nullable=True),
+        "roles_authorities",
-    sa.Column('role_id', sa.Integer(), nullable=True),
+        sa.Column("authority_id", sa.Integer(), nullable=True),
-    sa.ForeignKeyConstraint(['authority_id'], ['authorities.id'], ),
+        sa.Column("role_id", sa.Integer(), nullable=True),
-    sa.ForeignKeyConstraint(['role_id'], ['roles.id'], )
+        sa.ForeignKeyConstraint(["authority_id"], ["authorities.id"]),
+        sa.ForeignKeyConstraint(["role_id"], ["roles.id"]),
     )
-    op.create_index('roles_authorities_ix', 'roles_authorities', ['authority_id', 'role_id'], unique=True)
+    op.create_index(
-    op.create_table('roles_certificates',
+        "roles_authorities_ix",
-    sa.Column('certificate_id', sa.Integer(), nullable=True),
+        "roles_authorities",
-    sa.Column('role_id', sa.Integer(), nullable=True),
+        ["authority_id", "role_id"],
-    sa.ForeignKeyConstraint(['certificate_id'], ['certificates.id'], ),
+        unique=True,
-    sa.ForeignKeyConstraint(['role_id'], ['roles.id'], )
+    )
+    op.create_table(
+        "roles_certificates",
+        sa.Column("certificate_id", sa.Integer(), nullable=True),
+        sa.Column("role_id", sa.Integer(), nullable=True),
+        sa.ForeignKeyConstraint(["certificate_id"], ["certificates.id"]),
+        sa.ForeignKeyConstraint(["role_id"], ["roles.id"]),
+    )
+    op.create_index(
+        "roles_certificates_ix",
+        "roles_certificates",
+        ["certificate_id", "role_id"],
+        unique=True,
+    )
+    op.create_index(
+        "certificate_associations_ix",
+        "certificate_associations",
+        ["domain_id", "certificate_id"],
+        unique=True,
+    )
+    op.create_index(
+        "certificate_destination_associations_ix",
+        "certificate_destination_associations",
+        ["destination_id", "certificate_id"],
+        unique=True,
+    )
+    op.create_index(
+        "certificate_notification_associations_ix",
+        "certificate_notification_associations",
+        ["notification_id", "certificate_id"],
+        unique=True,
+    )
+    op.create_index(
+        "certificate_replacement_associations_ix",
+        "certificate_replacement_associations",
+        ["certificate_id", "certificate_id"],
+        unique=True,
+    )
+    op.create_index(
+        "certificate_source_associations_ix",
+        "certificate_source_associations",
+        ["source_id", "certificate_id"],
+        unique=True,
+    )
+    op.create_index(
+        "roles_users_ix", "roles_users", ["user_id", "role_id"], unique=True
     )
-    op.create_index('roles_certificates_ix', 'roles_certificates', ['certificate_id', 'role_id'], unique=True)
-    op.create_index('certificate_associations_ix', 'certificate_associations', ['domain_id', 'certificate_id'], unique=True)
-    op.create_index('certificate_destination_associations_ix', 'certificate_destination_associations', ['destination_id', 'certificate_id'], unique=True)
-    op.create_index('certificate_notification_associations_ix', 'certificate_notification_associations', ['notification_id', 'certificate_id'], unique=True)
-    op.create_index('certificate_replacement_associations_ix', 'certificate_replacement_associations', ['certificate_id', 'certificate_id'], unique=True)
-    op.create_index('certificate_source_associations_ix', 'certificate_source_associations', ['source_id', 'certificate_id'], unique=True)
-    op.create_index('roles_users_ix', 'roles_users', ['user_id', 'role_id'], unique=True)
 
     ### end Alembic commands ###
 
     # migrate existing authority_id relationship to many_to_many
     conn = op.get_bind()
-    for id, authority_id in conn.execute(text('select id, authority_id from roles where authority_id is not null')):
+    for id, authority_id in conn.execute(
-        stmt = text('insert into roles_authoritties (role_id, authority_id) values (:role_id, :authority_id)')
+        text("select id, authority_id from roles where authority_id is not null")
+    ):
+        stmt = text(
+            "insert into roles_authoritties (role_id, authority_id) values (:role_id, :authority_id)"
+        )
         stmt = stmt.bindparams(role_id=id, authority_id=authority_id)
         op.execute(stmt)
 
 
 def downgrade():
     ### commands auto generated by Alembic - please adjust! ###
-    op.drop_index('roles_users_ix', table_name='roles_users')
+    op.drop_index("roles_users_ix", table_name="roles_users")
-    op.drop_index('certificate_source_associations_ix', table_name='certificate_source_associations')
+    op.drop_index(
-    op.drop_index('certificate_replacement_associations_ix', table_name='certificate_replacement_associations')
+        "certificate_source_associations_ix",
-    op.drop_index('certificate_notification_associations_ix', table_name='certificate_notification_associations')
+        table_name="certificate_source_associations",
-    op.drop_index('certificate_destination_associations_ix', table_name='certificate_destination_associations')
+    )
-    op.drop_index('certificate_associations_ix', table_name='certificate_associations')
+    op.drop_index(
-    op.drop_index('roles_certificates_ix', table_name='roles_certificates')
+        "certificate_replacement_associations_ix",
-    op.drop_table('roles_certificates')
+        table_name="certificate_replacement_associations",
-    op.drop_index('roles_authorities_ix', table_name='roles_authorities')
+    )
-    op.drop_table('roles_authorities')
+    op.drop_index(
+        "certificate_notification_associations_ix",
+        table_name="certificate_notification_associations",
+    )
+    op.drop_index(
+        "certificate_destination_associations_ix",
+        table_name="certificate_destination_associations",
+    )
+    op.drop_index("certificate_associations_ix", table_name="certificate_associations")
+    op.drop_index("roles_certificates_ix", table_name="roles_certificates")
+    op.drop_table("roles_certificates")
+    op.drop_index("roles_authorities_ix", table_name="roles_authorities")
+    op.drop_table("roles_authorities")
     ### end Alembic commands ###

lemur/migrations/versions/449c3d5c7299_.py

@@ -7,8 +7,8 @@ Create Date: 2018-02-24 22:51:35.369229
 """
 
 # revision identifiers, used by Alembic.
-revision = '449c3d5c7299'
+revision = "449c3d5c7299"
-down_revision = '5770674184de'
+down_revision = "5770674184de"
 
 from alembic import op
 from flask_sqlalchemy import SQLAlchemy
@@ -23,12 +23,14 @@ COLUMNS = ["notification_id", "certificate_id"]
 def upgrade():
     connection = op.get_bind()
     # Delete duplicate entries
-    connection.execute("""\
+    connection.execute(
+        """\
         DELETE FROM certificate_notification_associations WHERE ctid NOT IN (
             -- Select the first tuple ID for each (notification_id, certificate_id) combination and keep that
             SELECT min(ctid) FROM certificate_notification_associations GROUP BY notification_id, certificate_id
         )
-    """)
+    """
+    )
     op.create_unique_constraint(CONSTRAINT_NAME, TABLE, COLUMNS)
 
 

lemur/migrations/versions/4c50b903d1ae_.py

@@ -7,20 +7,21 @@ Create Date: 2015-12-30 10:19:30.057791
 """
 
 # revision identifiers, used by Alembic.
-revision = '4c50b903d1ae'
+revision = "4c50b903d1ae"
-down_revision = '33de094da890'
+down_revision = "33de094da890"
 
 from alembic import op
 import sqlalchemy as sa
 from sqlalchemy.dialects import postgresql
 
+
 def upgrade():
     ### commands auto generated by Alembic - please adjust! ###
-    op.add_column('domains', sa.Column('sensitive', sa.Boolean(), nullable=True))
+    op.add_column("domains", sa.Column("sensitive", sa.Boolean(), nullable=True))
     ### end Alembic commands ###
 
 
 def downgrade():
     ### commands auto generated by Alembic - please adjust! ###
-    op.drop_column('domains', 'sensitive')
+    op.drop_column("domains", "sensitive")
     ### end Alembic commands ###

lemur/migrations/versions/556ceb3e3c3e_.py

@@ -7,8 +7,8 @@ Create Date: 2018-01-05 01:18:45.571595
 """
 
 # revision identifiers, used by Alembic.
-revision = '556ceb3e3c3e'
+revision = "556ceb3e3c3e"
-down_revision = '449c3d5c7299'
+down_revision = "449c3d5c7299"
 
 from alembic import op
 import sqlalchemy as sa
@@ -16,84 +16,150 @@ from lemur.utils import Vault
 from sqlalchemy.dialects import postgresql
 from sqlalchemy_utils import ArrowType
 
+
 def upgrade():
     # ### commands auto generated by Alembic - please adjust! ###
-    op.create_table('pending_certs',
+    op.create_table(
-    sa.Column('id', sa.Integer(), nullable=False),
+        "pending_certs",
-    sa.Column('external_id', sa.String(length=128), nullable=True),
+        sa.Column("id", sa.Integer(), nullable=False),
-    sa.Column('owner', sa.String(length=128), nullable=False),
+        sa.Column("external_id", sa.String(length=128), nullable=True),
-    sa.Column('name', sa.String(length=256), nullable=True),
+        sa.Column("owner", sa.String(length=128), nullable=False),
-    sa.Column('description', sa.String(length=1024), nullable=True),
+        sa.Column("name", sa.String(length=256), nullable=True),
-    sa.Column('notify', sa.Boolean(), nullable=True),
+        sa.Column("description", sa.String(length=1024), nullable=True),
-    sa.Column('number_attempts', sa.Integer(), nullable=True),
+        sa.Column("notify", sa.Boolean(), nullable=True),
-    sa.Column('rename', sa.Boolean(), nullable=True),
+        sa.Column("number_attempts", sa.Integer(), nullable=True),
-    sa.Column('cn', sa.String(length=128), nullable=True),
+        sa.Column("rename", sa.Boolean(), nullable=True),
-    sa.Column('csr', sa.Text(), nullable=False),
+        sa.Column("cn", sa.String(length=128), nullable=True),
-    sa.Column('chain', sa.Text(), nullable=True),
+        sa.Column("csr", sa.Text(), nullable=False),
-    sa.Column('private_key', Vault(), nullable=True),
+        sa.Column("chain", sa.Text(), nullable=True),
-    sa.Column('date_created', ArrowType(), server_default=sa.text('now()'), nullable=False),
+        sa.Column("private_key", Vault(), nullable=True),
-    sa.Column('status', sa.String(length=128), nullable=True),
+        sa.Column(
-    sa.Column('rotation', sa.Boolean(), nullable=True),
+            "date_created", ArrowType(), server_default=sa.text("now()"), nullable=False
-    sa.Column('user_id', sa.Integer(), nullable=True),
+        ),
-    sa.Column('authority_id', sa.Integer(), nullable=True),
+        sa.Column("status", sa.String(length=128), nullable=True),
-    sa.Column('root_authority_id', sa.Integer(), nullable=True),
+        sa.Column("rotation", sa.Boolean(), nullable=True),
-    sa.Column('rotation_policy_id', sa.Integer(), nullable=True),
+        sa.Column("user_id", sa.Integer(), nullable=True),
-    sa.ForeignKeyConstraint(['authority_id'], ['authorities.id'], ondelete='CASCADE'),
+        sa.Column("authority_id", sa.Integer(), nullable=True),
-    sa.ForeignKeyConstraint(['root_authority_id'], ['authorities.id'], ondelete='CASCADE'),
+        sa.Column("root_authority_id", sa.Integer(), nullable=True),
-    sa.ForeignKeyConstraint(['rotation_policy_id'], ['rotation_policies.id'], ),
+        sa.Column("rotation_policy_id", sa.Integer(), nullable=True),
-    sa.ForeignKeyConstraint(['user_id'], ['users.id'], ),
+        sa.ForeignKeyConstraint(
-    sa.PrimaryKeyConstraint('id'),
+            ["authority_id"], ["authorities.id"], ondelete="CASCADE"
-    sa.UniqueConstraint('name')
+        ),
+        sa.ForeignKeyConstraint(
+            ["root_authority_id"], ["authorities.id"], ondelete="CASCADE"
+        ),
+        sa.ForeignKeyConstraint(["rotation_policy_id"], ["rotation_policies.id"]),
+        sa.ForeignKeyConstraint(["user_id"], ["users.id"]),
+        sa.PrimaryKeyConstraint("id"),
+        sa.UniqueConstraint("name"),
     )
-    op.create_table('pending_cert_destination_associations',
+    op.create_table(
-    sa.Column('destination_id', sa.Integer(), nullable=True),
+        "pending_cert_destination_associations",
-    sa.Column('pending_cert_id', sa.Integer(), nullable=True),
+        sa.Column("destination_id", sa.Integer(), nullable=True),
-    sa.ForeignKeyConstraint(['destination_id'], ['destinations.id'], ondelete='cascade'),
+        sa.Column("pending_cert_id", sa.Integer(), nullable=True),
-    sa.ForeignKeyConstraint(['pending_cert_id'], ['pending_certs.id'], ondelete='cascade')
+        sa.ForeignKeyConstraint(
+            ["destination_id"], ["destinations.id"], ondelete="cascade"
+        ),
+        sa.ForeignKeyConstraint(
+            ["pending_cert_id"], ["pending_certs.id"], ondelete="cascade"
+        ),
     )
-    op.create_index('pending_cert_destination_associations_ix', 'pending_cert_destination_associations', ['destination_id', 'pending_cert_id'], unique=False)
+    op.create_index(
-    op.create_table('pending_cert_notification_associations',
+        "pending_cert_destination_associations_ix",
-    sa.Column('notification_id', sa.Integer(), nullable=True),
+        "pending_cert_destination_associations",
-    sa.Column('pending_cert_id', sa.Integer(), nullable=True),
+        ["destination_id", "pending_cert_id"],
-    sa.ForeignKeyConstraint(['notification_id'], ['notifications.id'], ondelete='cascade'),
+        unique=False,
-    sa.ForeignKeyConstraint(['pending_cert_id'], ['pending_certs.id'], ondelete='cascade')
     )
-    op.create_index('pending_cert_notification_associations_ix', 'pending_cert_notification_associations', ['notification_id', 'pending_cert_id'], unique=False)
+    op.create_table(
-    op.create_table('pending_cert_replacement_associations',
+        "pending_cert_notification_associations",
-    sa.Column('replaced_certificate_id', sa.Integer(), nullable=True),
+        sa.Column("notification_id", sa.Integer(), nullable=True),
-    sa.Column('pending_cert_id', sa.Integer(), nullable=True),
+        sa.Column("pending_cert_id", sa.Integer(), nullable=True),
-    sa.ForeignKeyConstraint(['pending_cert_id'], ['pending_certs.id'], ondelete='cascade'),
+        sa.ForeignKeyConstraint(
-    sa.ForeignKeyConstraint(['replaced_certificate_id'], ['certificates.id'], ondelete='cascade')
+            ["notification_id"], ["notifications.id"], ondelete="cascade"
+        ),
+        sa.ForeignKeyConstraint(
+            ["pending_cert_id"], ["pending_certs.id"], ondelete="cascade"
+        ),
     )
-    op.create_index('pending_cert_replacement_associations_ix', 'pending_cert_replacement_associations', ['replaced_certificate_id', 'pending_cert_id'], unique=False)
+    op.create_index(
-    op.create_table('pending_cert_role_associations',
+        "pending_cert_notification_associations_ix",
-    sa.Column('pending_cert_id', sa.Integer(), nullable=True),
+        "pending_cert_notification_associations",
-    sa.Column('role_id', sa.Integer(), nullable=True),
+        ["notification_id", "pending_cert_id"],
-    sa.ForeignKeyConstraint(['pending_cert_id'], ['pending_certs.id'], ),
+        unique=False,
-    sa.ForeignKeyConstraint(['role_id'], ['roles.id'], )
     )
-    op.create_index('pending_cert_role_associations_ix', 'pending_cert_role_associations', ['pending_cert_id', 'role_id'], unique=False)
+    op.create_table(
-    op.create_table('pending_cert_source_associations',
+        "pending_cert_replacement_associations",
-    sa.Column('source_id', sa.Integer(), nullable=True),
+        sa.Column("replaced_certificate_id", sa.Integer(), nullable=True),
-    sa.Column('pending_cert_id', sa.Integer(), nullable=True),
+        sa.Column("pending_cert_id", sa.Integer(), nullable=True),
-    sa.ForeignKeyConstraint(['pending_cert_id'], ['pending_certs.id'], ondelete='cascade'),
+        sa.ForeignKeyConstraint(
-    sa.ForeignKeyConstraint(['source_id'], ['sources.id'], ondelete='cascade')
+            ["pending_cert_id"], ["pending_certs.id"], ondelete="cascade"
+        ),
+        sa.ForeignKeyConstraint(
+            ["replaced_certificate_id"], ["certificates.id"], ondelete="cascade"
+        ),
+    )
+    op.create_index(
+        "pending_cert_replacement_associations_ix",
+        "pending_cert_replacement_associations",
+        ["replaced_certificate_id", "pending_cert_id"],
+        unique=False,
+    )
+    op.create_table(
+        "pending_cert_role_associations",
+        sa.Column("pending_cert_id", sa.Integer(), nullable=True),
+        sa.Column("role_id", sa.Integer(), nullable=True),
+        sa.ForeignKeyConstraint(["pending_cert_id"], ["pending_certs.id"]),
+        sa.ForeignKeyConstraint(["role_id"], ["roles.id"]),
+    )
+    op.create_index(
+        "pending_cert_role_associations_ix",
+        "pending_cert_role_associations",
+        ["pending_cert_id", "role_id"],
+        unique=False,
+    )
+    op.create_table(
+        "pending_cert_source_associations",
+        sa.Column("source_id", sa.Integer(), nullable=True),
+        sa.Column("pending_cert_id", sa.Integer(), nullable=True),
+        sa.ForeignKeyConstraint(
+            ["pending_cert_id"], ["pending_certs.id"], ondelete="cascade"
+        ),
+        sa.ForeignKeyConstraint(["source_id"], ["sources.id"], ondelete="cascade"),
+    )
+    op.create_index(
+        "pending_cert_source_associations_ix",
+        "pending_cert_source_associations",
+        ["source_id", "pending_cert_id"],
+        unique=False,
     )
-    op.create_index('pending_cert_source_associations_ix', 'pending_cert_source_associations', ['source_id', 'pending_cert_id'], unique=False)
     # ### end Alembic commands ###
 
 
 def downgrade():
     # ### commands auto generated by Alembic - please adjust! ###
-    op.drop_index('pending_cert_source_associations_ix', table_name='pending_cert_source_associations')
+    op.drop_index(
-    op.drop_table('pending_cert_source_associations')
+        "pending_cert_source_associations_ix",
-    op.drop_index('pending_cert_role_associations_ix', table_name='pending_cert_role_associations')
+        table_name="pending_cert_source_associations",
-    op.drop_table('pending_cert_role_associations')
+    )
-    op.drop_index('pending_cert_replacement_associations_ix', table_name='pending_cert_replacement_associations')
+    op.drop_table("pending_cert_source_associations")
-    op.drop_table('pending_cert_replacement_associations')
+    op.drop_index(
-    op.drop_index('pending_cert_notification_associations_ix', table_name='pending_cert_notification_associations')
+        "pending_cert_role_associations_ix", table_name="pending_cert_role_associations"
-    op.drop_table('pending_cert_notification_associations')
+    )
-    op.drop_index('pending_cert_destination_associations_ix', table_name='pending_cert_destination_associations')
+    op.drop_table("pending_cert_role_associations")
-    op.drop_table('pending_cert_destination_associations')
+    op.drop_index(
-    op.drop_table('pending_certs')
+        "pending_cert_replacement_associations_ix",
+        table_name="pending_cert_replacement_associations",
+    )
+    op.drop_table("pending_cert_replacement_associations")
+    op.drop_index(
+        "pending_cert_notification_associations_ix",
+        table_name="pending_cert_notification_associations",
+    )
+    op.drop_table("pending_cert_notification_associations")
+    op.drop_index(
+        "pending_cert_destination_associations_ix",
+        table_name="pending_cert_destination_associations",
+    )
+    op.drop_table("pending_cert_destination_associations")
+    op.drop_table("pending_certs")
     # ### end Alembic commands ###

lemur/migrations/versions/5770674184de_.py

@@ -7,8 +7,8 @@ Create Date: 2018-02-23 15:27:30.335435
 """
 
 # revision identifiers, used by Alembic.
-revision = '5770674184de'
+revision = "5770674184de"
-down_revision = 'ce547319f7be'
+down_revision = "ce547319f7be"
 
 from flask_sqlalchemy import SQLAlchemy
 from lemur.models import certificate_notification_associations
@@ -32,7 +32,9 @@ def upgrade():
         # If we've seen a pair already, delete the duplicates
         if seen.get("{}-{}".format(x.certificate_id, x.notification_id)):
             print("Deleting duplicate: {}".format(x))
-            d = session.query(certificate_notification_associations).filter(certificate_notification_associations.c.id==x.id)
+            d = session.query(certificate_notification_associations).filter(
+                certificate_notification_associations.c.id == x.id
+            )
             d.delete(synchronize_session=False)
         seen["{}-{}".format(x.certificate_id, x.notification_id)] = True
     db.session.commit()

lemur/migrations/versions/5ae0ecefb01f_.py

@@ -7,8 +7,8 @@ Create Date: 2018-08-14 08:16:43.329316
 """
 
 # revision identifiers, used by Alembic.
-revision = '5ae0ecefb01f'
+revision = "5ae0ecefb01f"
-down_revision = '1db4f82bc780'
+down_revision = "1db4f82bc780"
 
 from alembic import op
 import sqlalchemy as sa
@@ -16,17 +16,14 @@ import sqlalchemy as sa
 
 def upgrade():
     op.alter_column(
-        table_name='pending_certs',
+        table_name="pending_certs", column_name="status", nullable=True, type_=sa.TEXT()
-        column_name='status',
-        nullable=True,
-        type_=sa.TEXT()
     )
 
 
 def downgrade():
     op.alter_column(
-        table_name='pending_certs',
+        table_name="pending_certs",
-        column_name='status',
+        column_name="status",
         nullable=True,
-        type_=sa.VARCHAR(128)
+        type_=sa.VARCHAR(128),
     )

lemur/migrations/versions/5bc47fa7cac4_.py

@@ -7,16 +7,18 @@ Create Date: 2017-12-08 14:19:11.903864
 """
 
 # revision identifiers, used by Alembic.
-revision = '5bc47fa7cac4'
+revision = "5bc47fa7cac4"
-down_revision = 'c05a8998b371'
+down_revision = "c05a8998b371"
 
 from alembic import op
 import sqlalchemy as sa
 
 
 def upgrade():
-    op.add_column('roles', sa.Column('third_party', sa.Boolean(), nullable=True, default=False))
+    op.add_column(
+        "roles", sa.Column("third_party", sa.Boolean(), nullable=True, default=False)
+    )
 
 
 def downgrade():
-    op.drop_column('roles', 'third_party')
+    op.drop_column("roles", "third_party")

lemur/migrations/versions/5e680529b666_.py

@@ -7,20 +7,20 @@ Create Date: 2017-01-26 05:05:25.168125
 """
 
 # revision identifiers, used by Alembic.
-revision = '5e680529b666'
+revision = "5e680529b666"
-down_revision = '131ec6accff5'
+down_revision = "131ec6accff5"
 
 from alembic import op
 import sqlalchemy as sa
 
 
 def upgrade():
-    op.add_column('endpoints', sa.Column('sensitive', sa.Boolean(), nullable=True))
+    op.add_column("endpoints", sa.Column("sensitive", sa.Boolean(), nullable=True))
-    op.add_column('endpoints', sa.Column('source_id', sa.Integer(), nullable=True))
+    op.add_column("endpoints", sa.Column("source_id", sa.Integer(), nullable=True))
-    op.create_foreign_key(None, 'endpoints', 'sources', ['source_id'], ['id'])
+    op.create_foreign_key(None, "endpoints", "sources", ["source_id"], ["id"])
 
 
 def downgrade():
-    op.drop_constraint(None, 'endpoints', type_='foreignkey')
+    op.drop_constraint(None, "endpoints", type_="foreignkey")
-    op.drop_column('endpoints', 'source_id')
+    op.drop_column("endpoints", "source_id")
-    op.drop_column('endpoints', 'sensitive')
+    op.drop_column("endpoints", "sensitive")

lemur/migrations/versions/6006c79b6011_.py

@@ -7,15 +7,15 @@ Create Date: 2018-10-19 15:23:06.750510
 """
 
 # revision identifiers, used by Alembic.
-revision = '6006c79b6011'
+revision = "6006c79b6011"
-down_revision = '984178255c83'
+down_revision = "984178255c83"
 
 from alembic import op
 
 
 def upgrade():
-    op.create_unique_constraint("uq_label", 'sources', ['label'])
+    op.create_unique_constraint("uq_label", "sources", ["label"])
 
 
 def downgrade():
-    op.drop_constraint("uq_label", 'sources', type_='unique')
+    op.drop_constraint("uq_label", "sources", type_="unique")

lemur/migrations/versions/7ead443ba911_.py

@@ -7,15 +7,16 @@ Create Date: 2018-10-21 22:06:23.056906
 """
 
 # revision identifiers, used by Alembic.
-revision = '7ead443ba911'
+revision = "7ead443ba911"
-down_revision = '6006c79b6011'
+down_revision = "6006c79b6011"
 
 from alembic import op
 import sqlalchemy as sa
 
 
 def upgrade():
-    op.add_column('certificates', sa.Column('csr', sa.TEXT(), nullable=True))
+    op.add_column("certificates", sa.Column("csr", sa.TEXT(), nullable=True))
+
 
 def downgrade():
-    op.drop_column('certificates', 'csr')
+    op.drop_column("certificates", "csr")

lemur/migrations/versions/7f71c0cea31a_.py

@@ -9,8 +9,8 @@ Create Date: 2016-07-28 09:39:12.736506
 """
 
 # revision identifiers, used by Alembic.
-revision = '7f71c0cea31a'
+revision = "7f71c0cea31a"
-down_revision = '29d8c8455c86'
+down_revision = "29d8c8455c86"
 
 from alembic import op
 import sqlalchemy as sa
@@ -19,17 +19,25 @@ from sqlalchemy.sql import text
 
 def upgrade():
     conn = op.get_bind()
-    for name in conn.execute(text('select name from certificates group by name having count(*) > 1')):
+    for name in conn.execute(
-        for idx, id in enumerate(conn.execute(text("select id from certificates where certificates.name like :name order by id ASC").bindparams(name=name[0]))):
+        text("select name from certificates group by name having count(*) > 1")
+    ):
+        for idx, id in enumerate(
+            conn.execute(
+                text(
+                    "select id from certificates where certificates.name like :name order by id ASC"
+                ).bindparams(name=name[0])
+            )
+        ):
             if not idx:
                 continue
-            new_name = name[0] + '-' + str(idx)
+            new_name = name[0] + "-" + str(idx)
-            stmt = text('update certificates set name=:name where id=:id')
+            stmt = text("update certificates set name=:name where id=:id")
             stmt = stmt.bindparams(name=new_name, id=id[0])
             op.execute(stmt)
 
-    op.create_unique_constraint(None, 'certificates', ['name'])
+    op.create_unique_constraint(None, "certificates", ["name"])
 
 
 def downgrade():
-    op.drop_constraint(None, 'certificates', type_='unique')
+    op.drop_constraint(None, "certificates", type_="unique")

lemur/migrations/versions/8ae67285ff14_.py

@@ -7,18 +7,28 @@ Create Date: 2017-05-10 11:56:13.999332
 """
 
 # revision identifiers, used by Alembic.
-revision = '8ae67285ff14'
+revision = "8ae67285ff14"
-down_revision = '5e680529b666'
+down_revision = "5e680529b666"
 
 from alembic import op
 import sqlalchemy as sa
 
 
 def upgrade():
-    op.drop_index('certificate_replacement_associations_ix')
+    op.drop_index("certificate_replacement_associations_ix")
-    op.create_index('certificate_replacement_associations_ix', 'certificate_replacement_associations', ['replaced_certificate_id', 'certificate_id'], unique=True)
+    op.create_index(
+        "certificate_replacement_associations_ix",
+        "certificate_replacement_associations",
+        ["replaced_certificate_id", "certificate_id"],
+        unique=True,
+    )
 
 
 def downgrade():
-    op.drop_index('certificate_replacement_associations_ix')
+    op.drop_index("certificate_replacement_associations_ix")
-    op.create_index('certificate_replacement_associations_ix', 'certificate_replacement_associations', ['certificate_id', 'certificate_id'], unique=True)
+    op.create_index(
+        "certificate_replacement_associations_ix",
+        "certificate_replacement_associations",
+        ["certificate_id", "certificate_id"],
+        unique=True,
+    )

lemur/migrations/versions/932525b82f1a_.py

@@ -7,15 +7,15 @@ Create Date: 2016-10-13 20:14:33.928029
 """
 
 # revision identifiers, used by Alembic.
-revision = '932525b82f1a'
+revision = "932525b82f1a"
-down_revision = '7f71c0cea31a'
+down_revision = "7f71c0cea31a"
 
 from alembic import op
 
 
 def upgrade():
-    op.alter_column('certificates', 'active', new_column_name='notify')
+    op.alter_column("certificates", "active", new_column_name="notify")
 
 
 def downgrade():
-    op.alter_column('certificates', 'notify', new_column_name='active')
+    op.alter_column("certificates", "notify", new_column_name="active")

lemur/migrations/versions/9392b9f9a805_.py

@@ -6,8 +6,8 @@ Create Date: 2018-09-17 08:33:37.087488
 """
 
 # revision identifiers, used by Alembic.
-revision = '9392b9f9a805'
+revision = "9392b9f9a805"
-down_revision = '5ae0ecefb01f'
+down_revision = "5ae0ecefb01f"
 
 from alembic import op
 from sqlalchemy_utils import ArrowType
@@ -15,10 +15,17 @@ import sqlalchemy as sa
 
 
 def upgrade():
-    op.add_column('pending_certs', sa.Column('last_updated', ArrowType, server_default=sa.text('now()'), onupdate=sa.text('now()'),
+    op.add_column(
-                                             nullable=False))
+        "pending_certs",
+        sa.Column(
+            "last_updated",
+            ArrowType,
+            server_default=sa.text("now()"),
+            onupdate=sa.text("now()"),
+            nullable=False,
+        ),
+    )
 
 
 def downgrade():
-    op.drop_column('pending_certs', 'last_updated')
+    op.drop_column("pending_certs", "last_updated")
-

lemur/migrations/versions/984178255c83_.py

@@ -7,18 +7,20 @@ Create Date: 2018-10-11 20:49:12.704563
 """
 
 # revision identifiers, used by Alembic.
-revision = '984178255c83'
+revision = "984178255c83"
-down_revision = 'f2383bf08fbc'
+down_revision = "f2383bf08fbc"
 
 from alembic import op
 import sqlalchemy as sa
 
 
 def upgrade():
-    op.add_column('pending_certs', sa.Column('resolved', sa.Boolean(), nullable=True))
+    op.add_column("pending_certs", sa.Column("resolved", sa.Boolean(), nullable=True))
-    op.add_column('pending_certs', sa.Column('resolved_cert_id', sa.Integer(), nullable=True))
+    op.add_column(
+        "pending_certs", sa.Column("resolved_cert_id", sa.Integer(), nullable=True)
+    )
 
 
 def downgrade():
-    op.drop_column('pending_certs', 'resolved_cert_id')
+    op.drop_column("pending_certs", "resolved_cert_id")
-    op.drop_column('pending_certs', 'resolved')
+    op.drop_column("pending_certs", "resolved")

lemur/migrations/versions/9f79024fe67b_.py

@@ -7,16 +7,26 @@ Create Date: 2019-01-03 15:36:59.181911
 """
 
 # revision identifiers, used by Alembic.
-revision = '9f79024fe67b'
+revision = "9f79024fe67b"
-down_revision = 'ee827d1e1974'
+down_revision = "ee827d1e1974"
 
 from alembic import op
 import sqlalchemy as sa
 
 
 def upgrade():
-    op.sync_enum_values('public', 'log_type', ['create_cert', 'key_view', 'revoke_cert', 'update_cert'], ['create_cert', 'delete_cert', 'key_view', 'revoke_cert', 'update_cert'])
+    op.sync_enum_values(
+        "public",
+        "log_type",
+        ["create_cert", "key_view", "revoke_cert", "update_cert"],
+        ["create_cert", "delete_cert", "key_view", "revoke_cert", "update_cert"],
+    )
 
 
 def downgrade():
-    op.sync_enum_values('public', 'log_type', ['create_cert', 'delete_cert', 'key_view', 'revoke_cert', 'update_cert'], ['create_cert', 'key_view', 'revoke_cert', 'update_cert'])
+    op.sync_enum_values(
+        "public",
+        "log_type",
+        ["create_cert", "delete_cert", "key_view", "revoke_cert", "update_cert"],
+        ["create_cert", "key_view", "revoke_cert", "update_cert"],
+    )

lemur/migrations/versions/a02a678ddc25_.py

@@ -10,8 +10,8 @@ Create Date: 2017-07-12 11:45:49.257927
 """
 
 # revision identifiers, used by Alembic.
-revision = 'a02a678ddc25'
+revision = "a02a678ddc25"
-down_revision = '8ae67285ff14'
+down_revision = "8ae67285ff14"
 
 from alembic import op
 import sqlalchemy as sa
@@ -20,25 +20,30 @@ from sqlalchemy.sql import text
 
 def upgrade():
     # ### commands auto generated by Alembic - please adjust! ###
-    op.create_table('rotation_policies',
+    op.create_table(
-        sa.Column('id', sa.Integer(), nullable=False),
+        "rotation_policies",
-        sa.Column('name', sa.String(), nullable=True),
+        sa.Column("id", sa.Integer(), nullable=False),
-        sa.Column('days', sa.Integer(), nullable=True),
+        sa.Column("name", sa.String(), nullable=True),
-        sa.PrimaryKeyConstraint('id')
+        sa.Column("days", sa.Integer(), nullable=True),
+        sa.PrimaryKeyConstraint("id"),
+    )
+    op.add_column(
+        "certificates", sa.Column("rotation_policy_id", sa.Integer(), nullable=True)
+    )
+    op.create_foreign_key(
+        None, "certificates", "rotation_policies", ["rotation_policy_id"], ["id"]
     )
-    op.add_column('certificates', sa.Column('rotation_policy_id', sa.Integer(), nullable=True))
-    op.create_foreign_key(None, 'certificates', 'rotation_policies', ['rotation_policy_id'], ['id'])
 
     conn = op.get_bind()
-    stmt = text('insert into rotation_policies (days, name) values (:days, :name)')
+    stmt = text("insert into rotation_policies (days, name) values (:days, :name)")
-    stmt = stmt.bindparams(days=30, name='default')
+    stmt = stmt.bindparams(days=30, name="default")
     conn.execute(stmt)
 
-    stmt = text('select id from rotation_policies where name=:name')
+    stmt = text("select id from rotation_policies where name=:name")
-    stmt = stmt.bindparams(name='default')
+    stmt = stmt.bindparams(name="default")
     rotation_policy_id = conn.execute(stmt).fetchone()[0]
 
-    stmt = text('update certificates set rotation_policy_id=:rotation_policy_id')
+    stmt = text("update certificates set rotation_policy_id=:rotation_policy_id")
     stmt = stmt.bindparams(rotation_policy_id=rotation_policy_id)
     conn.execute(stmt)
     # ### end Alembic commands ###
@@ -46,9 +51,17 @@ def upgrade():
 
 def downgrade():
     # ### commands auto generated by Alembic - please adjust! ###
-    op.drop_constraint(None, 'certificates', type_='foreignkey')
+    op.drop_constraint(None, "certificates", type_="foreignkey")
-    op.drop_column('certificates', 'rotation_policy_id')
+    op.drop_column("certificates", "rotation_policy_id")
-    op.drop_index('certificate_replacement_associations_ix', table_name='certificate_replacement_associations')
+    op.drop_index(
-    op.create_index('certificate_replacement_associations_ix', 'certificate_replacement_associations', ['replaced_certificate_id', 'certificate_id'], unique=True)
+        "certificate_replacement_associations_ix",
-    op.drop_table('rotation_policies')
+        table_name="certificate_replacement_associations",
+    )
+    op.create_index(
+        "certificate_replacement_associations_ix",
+        "certificate_replacement_associations",
+        ["replaced_certificate_id", "certificate_id"],
+        unique=True,
+    )
+    op.drop_table("rotation_policies")
     # ### end Alembic commands ###

lemur/migrations/versions/ac483cfeb230_.py

@@ -7,8 +7,8 @@ Create Date: 2017-10-11 10:16:39.682591
 """
 
 # revision identifiers, used by Alembic.
-revision = 'ac483cfeb230'
+revision = "ac483cfeb230"
-down_revision = 'b29e2c4bf8c9'
+down_revision = "b29e2c4bf8c9"
 
 from alembic import op
 import sqlalchemy as sa
@@ -16,12 +16,18 @@ from sqlalchemy.dialects import postgresql
 
 
 def upgrade():
-    op.alter_column('certificates', 'name',
+    op.alter_column(
+        "certificates",
+        "name",
         existing_type=sa.VARCHAR(length=128),
-                    type_=sa.String(length=256))
+        type_=sa.String(length=256),
+    )
 
 
 def downgrade():
-    op.alter_column('certificates', 'name',
+    op.alter_column(
+        "certificates",
+        "name",
         existing_type=sa.VARCHAR(length=256),
-                    type_=sa.String(length=128))
+        type_=sa.String(length=128),
+    )

lemur/migrations/versions/b29e2c4bf8c9_.py

@@ -7,8 +7,8 @@ Create Date: 2017-09-26 10:50:35.740367
 """
 
 # revision identifiers, used by Alembic.
-revision = 'b29e2c4bf8c9'
+revision = "b29e2c4bf8c9"
-down_revision = '1ae8e3104db8'
+down_revision = "1ae8e3104db8"
 
 from alembic import op
 import sqlalchemy as sa
@@ -16,13 +16,25 @@ import sqlalchemy as sa
 
 def upgrade():
     # ### commands auto generated by Alembic - please adjust! ###
-    op.add_column('certificates', sa.Column('external_id', sa.String(128), nullable=True))
+    op.add_column(
-    op.sync_enum_values('public', 'log_type', ['create_cert', 'key_view', 'update_cert'], ['create_cert', 'key_view', 'revoke_cert', 'update_cert'])
+        "certificates", sa.Column("external_id", sa.String(128), nullable=True)
+    )
+    op.sync_enum_values(
+        "public",
+        "log_type",
+        ["create_cert", "key_view", "update_cert"],
+        ["create_cert", "key_view", "revoke_cert", "update_cert"],
+    )
     # ### end Alembic commands ###
 
 
 def downgrade():
     # ### commands auto generated by Alembic - please adjust! ###
-    op.sync_enum_values('public', 'log_type', ['create_cert', 'key_view', 'revoke_cert', 'update_cert'], ['create_cert', 'key_view', 'update_cert'])
+    op.sync_enum_values(
-    op.drop_column('certificates', 'external_id')
+        "public",
+        "log_type",
+        ["create_cert", "key_view", "revoke_cert", "update_cert"],
+        ["create_cert", "key_view", "update_cert"],
+    )
+    op.drop_column("certificates", "external_id")
     # ### end Alembic commands ###

lemur/migrations/versions/c05a8998b371_.py

@@ -7,25 +7,27 @@ Create Date: 2017-11-10 14:51:28.975927
 """
 
 # revision identifiers, used by Alembic.
-revision = 'c05a8998b371'
+revision = "c05a8998b371"
-down_revision = 'ac483cfeb230'
+down_revision = "ac483cfeb230"
 
 from alembic import op
 import sqlalchemy as sa
 import sqlalchemy_utils
 
+
 def upgrade():
-    op.create_table('api_keys',
+    op.create_table(
-    sa.Column('id', sa.Integer(), nullable=False),
+        "api_keys",
-    sa.Column('name', sa.String(length=128), nullable=True),
+        sa.Column("id", sa.Integer(), nullable=False),
-    sa.Column('user_id', sa.Integer(), nullable=False),
+        sa.Column("name", sa.String(length=128), nullable=True),
-    sa.Column('ttl', sa.BigInteger(), nullable=False),
+        sa.Column("user_id", sa.Integer(), nullable=False),
-    sa.Column('issued_at', sa.BigInteger(), nullable=False),
+        sa.Column("ttl", sa.BigInteger(), nullable=False),
-    sa.Column('revoked', sa.Boolean(), nullable=False),
+        sa.Column("issued_at", sa.BigInteger(), nullable=False),
-    sa.ForeignKeyConstraint(['user_id'], ['users.id'], ),
+        sa.Column("revoked", sa.Boolean(), nullable=False),
-    sa.PrimaryKeyConstraint('id')
+        sa.ForeignKeyConstraint(["user_id"], ["users.id"]),
+        sa.PrimaryKeyConstraint("id"),
     )
 
 
 def downgrade():
-    op.drop_table('api_keys')
+    op.drop_table("api_keys")

lemur/migrations/versions/c87cb989af04_.py

@@ -5,15 +5,15 @@ Create Date: 2018-10-11 09:44:57.099854
 
 """
 
-revision = 'c87cb989af04'
+revision = "c87cb989af04"
-down_revision = '9392b9f9a805'
+down_revision = "9392b9f9a805"
 
 from alembic import op
 
 
 def upgrade():
-    op.create_index(op.f('ix_domains_name'), 'domains', ['name'], unique=False)
+    op.create_index(op.f("ix_domains_name"), "domains", ["name"], unique=False)
 
 
 def downgrade():
-    op.drop_index(op.f('ix_domains_name'), table_name='domains')
+    op.drop_index(op.f("ix_domains_name"), table_name="domains")

lemur/migrations/versions/ce547319f7be_.py

@@ -7,8 +7,8 @@ Create Date: 2018-02-23 11:00:02.150561
 """
 
 # revision identifiers, used by Alembic.
-revision = 'ce547319f7be'
+revision = "ce547319f7be"
-down_revision = '5bc47fa7cac4'
+down_revision = "5bc47fa7cac4"
 
 import sqlalchemy as sa
 
@@ -24,12 +24,12 @@ TABLE = "certificate_notification_associations"
 def upgrade():
     print("Adding id column")
     op.add_column(
-        TABLE,
+        TABLE, sa.Column("id", sa.Integer, primary_key=True, autoincrement=True)
-        sa.Column('id', sa.Integer, primary_key=True, autoincrement=True)
     )
     db.session.commit()
     db.session.flush()
 
+
 def downgrade():
     op.drop_column(TABLE, "id")
     db.session.commit()

lemur/migrations/versions/e3691fc396e9_.py

@@ -7,29 +7,36 @@ Create Date: 2016-11-28 13:15:46.995219
 """
 
 # revision identifiers, used by Alembic.
-revision = 'e3691fc396e9'
+revision = "e3691fc396e9"
-down_revision = '932525b82f1a'
+down_revision = "932525b82f1a"
 
 from alembic import op
 import sqlalchemy as sa
 import sqlalchemy_utils
 
+
 def upgrade():
     ### commands auto generated by Alembic - please adjust! ###
-    op.create_table('logs',
+    op.create_table(
-    sa.Column('id', sa.Integer(), nullable=False),
+        "logs",
-    sa.Column('certificate_id', sa.Integer(), nullable=True),
+        sa.Column("id", sa.Integer(), nullable=False),
-    sa.Column('log_type', sa.Enum('key_view', name='log_type'), nullable=False),
+        sa.Column("certificate_id", sa.Integer(), nullable=True),
-    sa.Column('logged_at', sqlalchemy_utils.types.arrow.ArrowType(), server_default=sa.text('now()'), nullable=False),
+        sa.Column("log_type", sa.Enum("key_view", name="log_type"), nullable=False),
-    sa.Column('user_id', sa.Integer(), nullable=False),
+        sa.Column(
-    sa.ForeignKeyConstraint(['certificate_id'], ['certificates.id'], ),
+            "logged_at",
-    sa.ForeignKeyConstraint(['user_id'], ['users.id'], ),
+            sqlalchemy_utils.types.arrow.ArrowType(),
-    sa.PrimaryKeyConstraint('id')
+            server_default=sa.text("now()"),
+            nullable=False,
+        ),
+        sa.Column("user_id", sa.Integer(), nullable=False),
+        sa.ForeignKeyConstraint(["certificate_id"], ["certificates.id"]),
+        sa.ForeignKeyConstraint(["user_id"], ["users.id"]),
+        sa.PrimaryKeyConstraint("id"),
     )
     ### end Alembic commands ###
 
 
 def downgrade():
     ### commands auto generated by Alembic - please adjust! ###
-    op.drop_table('logs')
+    op.drop_table("logs")
     ### end Alembic commands ###

lemur/migrations/versions/ee827d1e1974_.py

@@ -7,25 +7,44 @@ Create Date: 2018-11-05 09:49:40.226368
 """
 
 # revision identifiers, used by Alembic.
-revision = 'ee827d1e1974'
+revision = "ee827d1e1974"
-down_revision = '7ead443ba911'
+down_revision = "7ead443ba911"
 
 from alembic import op
 from sqlalchemy.exc import ProgrammingError
 
+
 def upgrade():
     connection = op.get_bind()
     connection.execute("CREATE EXTENSION IF NOT EXISTS pg_trgm")
 
-    op.create_index('ix_certificates_cn', 'certificates', ['cn'], unique=False, postgresql_ops={'cn': 'gin_trgm_ops'},
+    op.create_index(
-                    postgresql_using='gin')
+        "ix_certificates_cn",
-    op.create_index('ix_certificates_name', 'certificates', ['name'], unique=False,
+        "certificates",
-                    postgresql_ops={'name': 'gin_trgm_ops'}, postgresql_using='gin')
+        ["cn"],
-    op.create_index('ix_domains_name_gin', 'domains', ['name'], unique=False, postgresql_ops={'name': 'gin_trgm_ops'},
+        unique=False,
-                    postgresql_using='gin')
+        postgresql_ops={"cn": "gin_trgm_ops"},
+        postgresql_using="gin",
+    )
+    op.create_index(
+        "ix_certificates_name",
+        "certificates",
+        ["name"],
+        unique=False,
+        postgresql_ops={"name": "gin_trgm_ops"},
+        postgresql_using="gin",
+    )
+    op.create_index(
+        "ix_domains_name_gin",
+        "domains",
+        ["name"],
+        unique=False,
+        postgresql_ops={"name": "gin_trgm_ops"},
+        postgresql_using="gin",
+    )
 
 
 def downgrade():
-    op.drop_index('ix_domains_name', table_name='domains')
+    op.drop_index("ix_domains_name", table_name="domains")
-    op.drop_index('ix_certificates_name', table_name='certificates')
+    op.drop_index("ix_certificates_name", table_name="certificates")
-    op.drop_index('ix_certificates_cn', table_name='certificates')
+    op.drop_index("ix_certificates_cn", table_name="certificates")

lemur/migrations/versions/f2383bf08fbc_.py

@@ -7,17 +7,22 @@ Create Date: 2018-10-11 11:23:31.195471
 
 """
 
-revision = 'f2383bf08fbc'
+revision = "f2383bf08fbc"
-down_revision = 'c87cb989af04'
+down_revision = "c87cb989af04"
 
 import sqlalchemy as sa
 from alembic import op
 
 
 def upgrade():
-    op.create_index('ix_certificates_id_desc', 'certificates', [sa.text('id DESC')], unique=True,
+    op.create_index(
-                    postgresql_using='btree')
+        "ix_certificates_id_desc",
+        "certificates",
+        [sa.text("id DESC")],
+        unique=True,
+        postgresql_using="btree",
+    )
 
 
 def downgrade():
-    op.drop_index('ix_certificates_id_desc', table_name='certificates')
+    op.drop_index("ix_certificates_id_desc", table_name="certificates")

lemur/models.py

@@ -12,121 +12,201 @@ from sqlalchemy import Column, Integer, ForeignKey, Index, UniqueConstraint
 
 from lemur.database import db
 
-certificate_associations = db.Table('certificate_associations',
+certificate_associations = db.Table(
-                                    Column('domain_id', Integer, ForeignKey('domains.id')),
+    "certificate_associations",
-                                    Column('certificate_id', Integer, ForeignKey('certificates.id'))
+    Column("domain_id", Integer, ForeignKey("domains.id")),
-                                    )
+    Column("certificate_id", Integer, ForeignKey("certificates.id")),
+)
 
-Index('certificate_associations_ix', certificate_associations.c.domain_id, certificate_associations.c.certificate_id)
+Index(
+    "certificate_associations_ix",
+    certificate_associations.c.domain_id,
+    certificate_associations.c.certificate_id,
+)
 
-certificate_destination_associations = db.Table('certificate_destination_associations',
+certificate_destination_associations = db.Table(
-                                                Column('destination_id', Integer,
+    "certificate_destination_associations",
-                                                       ForeignKey('destinations.id', ondelete='cascade')),
+    Column(
-                                                Column('certificate_id', Integer,
+        "destination_id", Integer, ForeignKey("destinations.id", ondelete="cascade")
-                                                       ForeignKey('certificates.id', ondelete='cascade'))
+    ),
-                                                )
+    Column(
+        "certificate_id", Integer, ForeignKey("certificates.id", ondelete="cascade")
+    ),
+)
 
-Index('certificate_destination_associations_ix', certificate_destination_associations.c.destination_id, certificate_destination_associations.c.certificate_id)
+Index(
+    "certificate_destination_associations_ix",
+    certificate_destination_associations.c.destination_id,
+    certificate_destination_associations.c.certificate_id,
+)
 
-certificate_source_associations = db.Table('certificate_source_associations',
+certificate_source_associations = db.Table(
-                                           Column('source_id', Integer,
+    "certificate_source_associations",
-                                                  ForeignKey('sources.id', ondelete='cascade')),
+    Column("source_id", Integer, ForeignKey("sources.id", ondelete="cascade")),
-                                           Column('certificate_id', Integer,
+    Column(
-                                                  ForeignKey('certificates.id', ondelete='cascade'))
+        "certificate_id", Integer, ForeignKey("certificates.id", ondelete="cascade")
-                                           )
+    ),
+)
 
-Index('certificate_source_associations_ix', certificate_source_associations.c.source_id, certificate_source_associations.c.certificate_id)
+Index(
+    "certificate_source_associations_ix",
+    certificate_source_associations.c.source_id,
+    certificate_source_associations.c.certificate_id,
+)
 
-certificate_notification_associations = db.Table('certificate_notification_associations',
+certificate_notification_associations = db.Table(
-                                                 Column('notification_id', Integer,
+    "certificate_notification_associations",
-                                                        ForeignKey('notifications.id', ondelete='cascade')),
+    Column(
-                                                 Column('certificate_id', Integer,
+        "notification_id", Integer, ForeignKey("notifications.id", ondelete="cascade")
-                                                        ForeignKey('certificates.id', ondelete='cascade')),
+    ),
-                                                 Column('id', Integer, primary_key=True, autoincrement=True),
+    Column(
-                                                 UniqueConstraint('notification_id', 'certificate_id', name='uq_dest_not_ids')
+        "certificate_id", Integer, ForeignKey("certificates.id", ondelete="cascade")
-                                                 )
+    ),
+    Column("id", Integer, primary_key=True, autoincrement=True),
+    UniqueConstraint("notification_id", "certificate_id", name="uq_dest_not_ids"),
+)
 
-Index('certificate_notification_associations_ix', certificate_notification_associations.c.notification_id, certificate_notification_associations.c.certificate_id)
+Index(
+    "certificate_notification_associations_ix",
+    certificate_notification_associations.c.notification_id,
+    certificate_notification_associations.c.certificate_id,
+)
 
-certificate_replacement_associations = db.Table('certificate_replacement_associations',
+certificate_replacement_associations = db.Table(
-                                                Column('replaced_certificate_id', Integer,
+    "certificate_replacement_associations",
-                                                       ForeignKey('certificates.id', ondelete='cascade')),
+    Column(
-                                                Column('certificate_id', Integer,
+        "replaced_certificate_id",
-                                                       ForeignKey('certificates.id', ondelete='cascade'))
+        Integer,
-                                                )
+        ForeignKey("certificates.id", ondelete="cascade"),
+    ),
+    Column(
+        "certificate_id", Integer, ForeignKey("certificates.id", ondelete="cascade")
+    ),
+)
 
-Index('certificate_replacement_associations_ix', certificate_replacement_associations.c.replaced_certificate_id, certificate_replacement_associations.c.certificate_id, unique=True)
+Index(
+    "certificate_replacement_associations_ix",
+    certificate_replacement_associations.c.replaced_certificate_id,
+    certificate_replacement_associations.c.certificate_id,
+    unique=True,
+)
 
-roles_authorities = db.Table('roles_authorities',
+roles_authorities = db.Table(
-                             Column('authority_id', Integer, ForeignKey('authorities.id')),
+    "roles_authorities",
-                             Column('role_id', Integer, ForeignKey('roles.id'))
+    Column("authority_id", Integer, ForeignKey("authorities.id")),
-                             )
+    Column("role_id", Integer, ForeignKey("roles.id")),
+)
 
-Index('roles_authorities_ix', roles_authorities.c.authority_id, roles_authorities.c.role_id)
+Index(
+    "roles_authorities_ix",
+    roles_authorities.c.authority_id,
+    roles_authorities.c.role_id,
+)
 
-roles_certificates = db.Table('roles_certificates',
+roles_certificates = db.Table(
-                              Column('certificate_id', Integer, ForeignKey('certificates.id')),
+    "roles_certificates",
-                              Column('role_id', Integer, ForeignKey('roles.id'))
+    Column("certificate_id", Integer, ForeignKey("certificates.id")),
-                              )
+    Column("role_id", Integer, ForeignKey("roles.id")),
+)
 
-Index('roles_certificates_ix', roles_certificates.c.certificate_id, roles_certificates.c.role_id)
+Index(
+    "roles_certificates_ix",
+    roles_certificates.c.certificate_id,
+    roles_certificates.c.role_id,
+)
 
 
-roles_users = db.Table('roles_users',
+roles_users = db.Table(
-                       Column('user_id', Integer, ForeignKey('users.id')),
+    "roles_users",
-                       Column('role_id', Integer, ForeignKey('roles.id'))
+    Column("user_id", Integer, ForeignKey("users.id")),
-                       )
+    Column("role_id", Integer, ForeignKey("roles.id")),
+)
 
-Index('roles_users_ix', roles_users.c.user_id, roles_users.c.role_id)
+Index("roles_users_ix", roles_users.c.user_id, roles_users.c.role_id)
 
 
-policies_ciphers = db.Table('policies_ciphers',
+policies_ciphers = db.Table(
-                            Column('cipher_id', Integer, ForeignKey('ciphers.id')),
+    "policies_ciphers",
-                            Column('policy_id', Integer, ForeignKey('policy.id')))
+    Column("cipher_id", Integer, ForeignKey("ciphers.id")),
+    Column("policy_id", Integer, ForeignKey("policy.id")),
+)
 
-Index('policies_ciphers_ix', policies_ciphers.c.cipher_id, policies_ciphers.c.policy_id)
+Index("policies_ciphers_ix", policies_ciphers.c.cipher_id, policies_ciphers.c.policy_id)
 
 
-pending_cert_destination_associations = db.Table('pending_cert_destination_associations',
+pending_cert_destination_associations = db.Table(
-                                                 Column('destination_id', Integer,
+    "pending_cert_destination_associations",
-                                                        ForeignKey('destinations.id', ondelete='cascade')),
+    Column(
-                                                 Column('pending_cert_id', Integer,
+        "destination_id", Integer, ForeignKey("destinations.id", ondelete="cascade")
-                                                        ForeignKey('pending_certs.id', ondelete='cascade'))
+    ),
-                                                )
+    Column(
+        "pending_cert_id", Integer, ForeignKey("pending_certs.id", ondelete="cascade")
+    ),
+)
 
-Index('pending_cert_destination_associations_ix', pending_cert_destination_associations.c.destination_id, pending_cert_destination_associations.c.pending_cert_id)
+Index(
+    "pending_cert_destination_associations_ix",
+    pending_cert_destination_associations.c.destination_id,
+    pending_cert_destination_associations.c.pending_cert_id,
+)
 
 
-pending_cert_notification_associations = db.Table('pending_cert_notification_associations',
+pending_cert_notification_associations = db.Table(
-                                                  Column('notification_id', Integer,
+    "pending_cert_notification_associations",
-                                                         ForeignKey('notifications.id', ondelete='cascade')),
+    Column(
-                                                  Column('pending_cert_id', Integer,
+        "notification_id", Integer, ForeignKey("notifications.id", ondelete="cascade")
-                                                         ForeignKey('pending_certs.id', ondelete='cascade'))
+    ),
-                                                 )
+    Column(
+        "pending_cert_id", Integer, ForeignKey("pending_certs.id", ondelete="cascade")
+    ),
+)
 
-Index('pending_cert_notification_associations_ix', pending_cert_notification_associations.c.notification_id, pending_cert_notification_associations.c.pending_cert_id)
+Index(
+    "pending_cert_notification_associations_ix",
+    pending_cert_notification_associations.c.notification_id,
+    pending_cert_notification_associations.c.pending_cert_id,
+)
 
-pending_cert_source_associations = db.Table('pending_cert_source_associations',
+pending_cert_source_associations = db.Table(
-                                            Column('source_id', Integer,
+    "pending_cert_source_associations",
-                                                   ForeignKey('sources.id', ondelete='cascade')),
+    Column("source_id", Integer, ForeignKey("sources.id", ondelete="cascade")),
-                                            Column('pending_cert_id', Integer,
+    Column(
-                                                   ForeignKey('pending_certs.id', ondelete='cascade'))
+        "pending_cert_id", Integer, ForeignKey("pending_certs.id", ondelete="cascade")
-                                            )
+    ),
+)
 
-Index('pending_cert_source_associations_ix', pending_cert_source_associations.c.source_id, pending_cert_source_associations.c.pending_cert_id)
+Index(
+    "pending_cert_source_associations_ix",
+    pending_cert_source_associations.c.source_id,
+    pending_cert_source_associations.c.pending_cert_id,
+)
 
-pending_cert_replacement_associations = db.Table('pending_cert_replacement_associations',
+pending_cert_replacement_associations = db.Table(
-                                                 Column('replaced_certificate_id', Integer,
+    "pending_cert_replacement_associations",
-                                                        ForeignKey('certificates.id', ondelete='cascade')),
+    Column(
-                                                 Column('pending_cert_id', Integer,
+        "replaced_certificate_id",
-                                                        ForeignKey('pending_certs.id', ondelete='cascade'))
+        Integer,
-                                                )
+        ForeignKey("certificates.id", ondelete="cascade"),
+    ),
+    Column(
+        "pending_cert_id", Integer, ForeignKey("pending_certs.id", ondelete="cascade")
+    ),
+)
 
-Index('pending_cert_replacement_associations_ix', pending_cert_replacement_associations.c.replaced_certificate_id, pending_cert_replacement_associations.c.pending_cert_id)
+Index(
+    "pending_cert_replacement_associations_ix",
+    pending_cert_replacement_associations.c.replaced_certificate_id,
+    pending_cert_replacement_associations.c.pending_cert_id,
+)
 
-pending_cert_role_associations = db.Table('pending_cert_role_associations',
+pending_cert_role_associations = db.Table(
-                                          Column('pending_cert_id', Integer, ForeignKey('pending_certs.id')),
+    "pending_cert_role_associations",
-                                          Column('role_id', Integer, ForeignKey('roles.id'))
+    Column("pending_cert_id", Integer, ForeignKey("pending_certs.id")),
-                                         )
+    Column("role_id", Integer, ForeignKey("roles.id")),
+)
 
-Index('pending_cert_role_associations_ix', pending_cert_role_associations.c.pending_cert_id, pending_cert_role_associations.c.role_id)
+Index(
+    "pending_cert_role_associations_ix",
+    pending_cert_role_associations.c.pending_cert_id,
+    pending_cert_role_associations.c.role_id,
+)

lemur/notifications/cli.py

@@ -14,7 +14,14 @@ from lemur.notifications.messaging import send_expiration_notifications
 manager = Manager(usage="Handles notification related tasks.")
 
 
-@manager.option('-e', '--exclude', dest='exclude', action='append', default=[], help='Common name matching of certificates that should be excluded from notification')
+@manager.option(
+    "-e",
+    "--exclude",
+    dest="exclude",
+    action="append",
+    default=[],
+    help="Common name matching of certificates that should be excluded from notification",
+)
 def expirations(exclude):
     """
     Runs Lemur's notification engine, that looks for expired certificates and sends
@@ -33,12 +40,13 @@ def expirations(exclude):
         success, failed = send_expiration_notifications(exclude)
         print(
             "Finished notifying subscribers about expiring certificates! Sent: {success} Failed: {failed}".format(
-                success=success,
+                success=success, failed=failed
-                failed=failed
             )
         )
         status = SUCCESS_METRIC_STATUS
     except Exception as e:
         sentry.captureException()
 
-    metrics.send('expiration_notification_job', 'counter', 1, metric_tags={'status': status})
+    metrics.send(
+        "expiration_notification_job", "counter", 1, metric_tags={"status": status}
+    )

lemur/notifications/messaging.py

@@ -36,15 +36,17 @@ def get_certificates(exclude=None):
     now = arrow.utcnow()
     max = now + timedelta(days=90)
 
-    q = database.db.session.query(Certificate) \
+    q = (
-        .filter(Certificate.not_after <= max) \
+        database.db.session.query(Certificate)
-        .filter(Certificate.notify == True) \
+        .filter(Certificate.not_after <= max)
-        .filter(Certificate.expired == False)  # noqa
+        .filter(Certificate.notify == True)
+        .filter(Certificate.expired == False)
+    )  # noqa
 
     exclude_conditions = []
     if exclude:
         for e in exclude:
-            exclude_conditions.append(~Certificate.name.ilike('%{}%'.format(e)))
+            exclude_conditions.append(~Certificate.name.ilike("%{}%".format(e)))
 
         q = q.filter(and_(*exclude_conditions))
 
@@ -101,7 +103,12 @@ def send_notification(event_type, data, targets, notification):
     except Exception as e:
         sentry.captureException()
 
-    metrics.send('notification', 'counter', 1, metric_tags={'status': status, 'event_type': event_type})
+    metrics.send(
+        "notification",
+        "counter",
+        1,
+        metric_tags={"status": status, "event_type": event_type},
+    )
 
     if status == SUCCESS_METRIC_STATUS:
         return True
@@ -115,7 +122,7 @@ def send_expiration_notifications(exclude):
     success = failure = 0
 
     # security team gets all
-    security_email = current_app.config.get('LEMUR_SECURITY_TEAM_EMAIL')
+    security_email = current_app.config.get("LEMUR_SECURITY_TEAM_EMAIL")
 
     security_data = []
     for owner, notification_group in get_eligible_certificates(exclude=exclude).items():
@@ -127,26 +134,43 @@ def send_expiration_notifications(exclude):
 
             for data in certificates:
                 n, certificate = data
-                cert_data = certificate_notification_output_schema.dump(certificate).data
+                cert_data = certificate_notification_output_schema.dump(
+                    certificate
+                ).data
                 notification_data.append(cert_data)
                 security_data.append(cert_data)
 
-            notification_recipient = get_plugin_option('recipients', notification.options)
+            notification_recipient = get_plugin_option(
+                "recipients", notification.options
+            )
             if notification_recipient:
                 notification_recipient = notification_recipient.split(",")
 
-            if send_notification('expiration', notification_data, [owner], notification):
+            if send_notification(
+                "expiration", notification_data, [owner], notification
+            ):
                 success += 1
             else:
                 failure += 1
 
-            if notification_recipient and owner != notification_recipient and security_email != notification_recipient:
+            if (
-                if send_notification('expiration', notification_data, notification_recipient, notification):
+                notification_recipient
+                and owner != notification_recipient
+                and security_email != notification_recipient
+            ):
+                if send_notification(
+                    "expiration",
+                    notification_data,
+                    notification_recipient,
+                    notification,
+                ):
                     success += 1
                 else:
                     failure += 1
 
-            if send_notification('expiration', security_data, security_email, notification):
+            if send_notification(
+                "expiration", security_data, security_email, notification
+            ):
                 success += 1
             else:
                 failure += 1
@@ -165,24 +189,35 @@ def send_rotation_notification(certificate, notification_plugin=None):
     """
     status = FAILURE_METRIC_STATUS
     if not notification_plugin:
-        notification_plugin = plugins.get(current_app.config.get('LEMUR_DEFAULT_NOTIFICATION_PLUGIN'))
+        notification_plugin = plugins.get(
+            current_app.config.get("LEMUR_DEFAULT_NOTIFICATION_PLUGIN")
+        )
 
     data = certificate_notification_output_schema.dump(certificate).data
 
     try:
-        notification_plugin.send('rotation', data, [data['owner']])
+        notification_plugin.send("rotation", data, [data["owner"]])
         status = SUCCESS_METRIC_STATUS
     except Exception as e:
-        current_app.logger.error('Unable to send notification to {}.'.format(data['owner']), exc_info=True)
+        current_app.logger.error(
+            "Unable to send notification to {}.".format(data["owner"]), exc_info=True
+        )
         sentry.captureException()
 
-    metrics.send('notification', 'counter', 1, metric_tags={'status': status, 'event_type': 'rotation'})
+    metrics.send(
+        "notification",
+        "counter",
+        1,
+        metric_tags={"status": status, "event_type": "rotation"},
+    )
 
     if status == SUCCESS_METRIC_STATUS:
         return True
 
 
-def send_pending_failure_notification(pending_cert, notify_owner=True, notify_security=True, notification_plugin=None):
+def send_pending_failure_notification(
+    pending_cert, notify_owner=True, notify_security=True, notification_plugin=None
+):
     """
     Sends a report to certificate owners when their pending certificate failed to be created.
 
@@ -194,32 +229,47 @@ def send_pending_failure_notification(pending_cert, notify_owner=True, notify_se
 
     if not notification_plugin:
         notification_plugin = plugins.get(
-            current_app.config.get('LEMUR_DEFAULT_NOTIFICATION_PLUGIN', 'email-notification')
+            current_app.config.get(
+                "LEMUR_DEFAULT_NOTIFICATION_PLUGIN", "email-notification"
+            )
         )
 
     data = pending_certificate_output_schema.dump(pending_cert).data
-    data["security_email"] = current_app.config.get('LEMUR_SECURITY_TEAM_EMAIL')
+    data["security_email"] = current_app.config.get("LEMUR_SECURITY_TEAM_EMAIL")
 
     if notify_owner:
         try:
-            notification_plugin.send('failed', data, [data['owner']], pending_cert)
+            notification_plugin.send("failed", data, [data["owner"]], pending_cert)
             status = SUCCESS_METRIC_STATUS
         except Exception as e:
-            current_app.logger.error('Unable to send pending failure notification to {}.'.format(data['owner']),
+            current_app.logger.error(
-                                     exc_info=True)
+                "Unable to send pending failure notification to {}.".format(
+                    data["owner"]
+                ),
+                exc_info=True,
+            )
             sentry.captureException()
 
     if notify_security:
         try:
-            notification_plugin.send('failed', data, data["security_email"], pending_cert)
+            notification_plugin.send(
+                "failed", data, data["security_email"], pending_cert
+            )
             status = SUCCESS_METRIC_STATUS
         except Exception as e:
-            current_app.logger.error('Unable to send pending failure notification to '
+            current_app.logger.error(
-                                     '{}.'.format(data['security_email']),
+                "Unable to send pending failure notification to "
-                                     exc_info=True)
+                "{}.".format(data["security_email"]),
+                exc_info=True,
+            )
             sentry.captureException()
 
-    metrics.send('notification', 'counter', 1, metric_tags={'status': status, 'event_type': 'rotation'})
+    metrics.send(
+        "notification",
+        "counter",
+        1,
+        metric_tags={"status": status, "event_type": "rotation"},
+    )
 
     if status == SUCCESS_METRIC_STATUS:
         return True
@@ -242,20 +292,22 @@ def needs_notification(certificate):
         if not notification.active or not notification.options:
             return
 
-        interval = get_plugin_option('interval', notification.options)
+        interval = get_plugin_option("interval", notification.options)
-        unit = get_plugin_option('unit', notification.options)
+        unit = get_plugin_option("unit", notification.options)
 
-        if unit == 'weeks':
+        if unit == "weeks":
             interval *= 7
 
-        elif unit == 'months':
+        elif unit == "months":
             interval *= 30
 
-        elif unit == 'days':  # it's nice to be explicit about the base unit
+        elif unit == "days":  # it's nice to be explicit about the base unit
             pass
 
         else:
-            raise Exception("Invalid base unit for expiration interval: {0}".format(unit))
+            raise Exception(
+                "Invalid base unit for expiration interval: {0}".format(unit)
+            )
 
         if days == interval:
             notifications.append(notification)

lemur/notifications/models.py

@@ -11,12 +11,14 @@ from sqlalchemy_utils import JSONType
 
 from lemur.database import db
 from lemur.plugins.base import plugins
-from lemur.models import certificate_notification_associations, \
+from lemur.models import (
-    pending_cert_notification_associations
+    certificate_notification_associations,
+    pending_cert_notification_associations,
+)
 
 
 class Notification(db.Model):
-    __tablename__ = 'notifications'
+    __tablename__ = "notifications"
     id = Column(Integer, primary_key=True)
     label = Column(String(128), unique=True)
     description = Column(Text())
@@ -28,14 +30,14 @@ class Notification(db.Model):
         secondary=certificate_notification_associations,
         passive_deletes=True,
         backref="notification",
-        cascade='all,delete'
+        cascade="all,delete",
     )
     pending_certificates = relationship(
         "PendingCertificate",
         secondary=pending_cert_notification_associations,
         passive_deletes=True,
         backref="notification",
-        cascade='all,delete'
+        cascade="all,delete",
     )
 
     @property

lemur/notifications/schemas.py

@@ -7,7 +7,11 @@
 """
 from marshmallow import fields, post_dump
 from lemur.common.schema import LemurInputSchema, LemurOutputSchema
-from lemur.schemas import PluginInputSchema, PluginOutputSchema, AssociatedCertificateSchema
+from lemur.schemas import (
+    PluginInputSchema,
+    PluginOutputSchema,
+    AssociatedCertificateSchema,
+)
 
 
 class NotificationInputSchema(LemurInputSchema):
@@ -30,7 +34,7 @@ class NotificationOutputSchema(LemurOutputSchema):
     @post_dump
     def fill_object(self, data):
         if data:
-            data['plugin']['pluginOptions'] = data['options']
+            data["plugin"]["pluginOptions"] = data["options"]
         return data