lemur/lemur/schemas.py

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"""
.. module: lemur.schemas
:platform: unix
:copyright: (c) 2015 by Netflix Inc., see AUTHORS for more
:license: Apache, see LICENSE for more details.
.. moduleauthor:: Kevin Glisson <kglisson@netflix.com>
"""
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from sqlalchemy.orm.exc import NoResultFound
from marshmallow import fields, post_load, pre_load, post_dump, validates_schema
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from marshmallow.exceptions import ValidationError
from lemur.common import validators
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from lemur.common.schema import LemurSchema, LemurInputSchema, LemurOutputSchema
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from lemur.plugins import plugins
from lemur.roles.models import Role
from lemur.users.models import User
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from lemur.authorities.models import Authority
from lemur.certificates.models import Certificate
from lemur.destinations.models import Destination
from lemur.notifications.models import Notification
def get_object_attribute(data, many=False):
if many:
ids = [d.get('id') for d in data]
names = [d.get('name') for d in data]
if None in ids:
if None in names:
raise ValidationError('Associated object require a name or id.')
else:
return 'name'
return 'id'
else:
if data.get('id'):
return 'id'
elif data.get('name'):
return 'name'
else:
raise ValidationError('Associated object require a name or id.')
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def fetch_objects(model, data, many=False):
attr = get_object_attribute(data, many=many)
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if many:
values = [v[attr] for v in data]
items = model.query.filter(getattr(model, attr).in_(values)).all()
found = [getattr(i, attr) for i in items]
diff = set(values).symmetric_difference(set(found))
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if diff:
raise ValidationError('Unable to locate {model} with {attr} {diff}'.format(
model=model,
attr=attr,
diff=",".join(list(diff))))
return items
else:
try:
return model.query.filter(getattr(model, attr) == data[attr]).one()
except NoResultFound:
raise ValidationError('Unable to find {model} with {attr}: {data}'.format(
model=model,
attr=attr,
data=data[attr]))
class AssociatedAuthoritySchema(LemurInputSchema):
id = fields.Int()
name = fields.String()
@post_load
def get_object(self, data, many=False):
return fetch_objects(Authority, data, many=many)
class AssociatedRoleSchema(LemurInputSchema):
id = fields.Int()
name = fields.String()
@post_load
def get_object(self, data, many=False):
return fetch_objects(Role, data, many=many)
class AssociatedDestinationSchema(LemurInputSchema):
id = fields.Int()
name = fields.String()
@post_load
def get_object(self, data, many=False):
return fetch_objects(Destination, data, many=many)
class AssociatedNotificationSchema(LemurInputSchema):
id = fields.Int()
name = fields.String()
@post_load
def get_object(self, data, many=False):
return fetch_objects(Notification, data, many=many)
class AssociatedCertificateSchema(LemurInputSchema):
id = fields.Int()
name = fields.String()
@post_load
def get_object(self, data, many=False):
return fetch_objects(Certificate, data, many=many)
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class AssociatedUserSchema(LemurInputSchema):
id = fields.Int()
name = fields.String()
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@post_load
def get_object(self, data, many=False):
return fetch_objects(User, data, many=many)
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class PluginInputSchema(LemurInputSchema):
plugin_options = fields.List(fields.Dict())
slug = fields.String(required=True)
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title = fields.String()
description = fields.String()
@post_load
def get_object(self, data, many=False):
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try:
data['plugin_object'] = plugins.get(data['slug'])
return data
except Exception:
raise ValidationError('Unable to find plugin: {0}'.format(data['slug']))
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class PluginOutputSchema(LemurOutputSchema):
id = fields.Integer()
label = fields.String()
description = fields.String()
active = fields.Boolean()
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options = fields.List(fields.Dict(), dump_to='pluginOptions')
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slug = fields.String()
title = fields.String()
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plugins_output_schema = PluginOutputSchema(many=True)
plugin_output_schema = PluginOutputSchema
class BaseExtensionSchema(LemurSchema):
@pre_load(pass_many=True)
def preprocess(self, data, many):
return self.under(data, many=many)
@post_dump(pass_many=True)
def post_process(self, data, many):
if data:
data = self.camel(data, many=many)
return data
class BasicConstraintsSchema(BaseExtensionSchema):
pass
class AuthorityIdentifierSchema(BaseExtensionSchema):
use_authority_cert = fields.Boolean()
class AuthorityKeyIdentifierSchema(BaseExtensionSchema):
use_key_identifier = fields.Boolean()
class CertificateInfoAccessSchema(BaseExtensionSchema):
include_aia = fields.Boolean()
@post_dump
def handle_keys(self, data):
return {'includeAIA': data['include_aia']}
class KeyUsageSchema(BaseExtensionSchema):
use_crl_sign = fields.Boolean()
use_data_encipherment = fields.Boolean()
use_decipher_only = fields.Boolean()
use_encipher_only = fields.Boolean()
use_key_encipherment = fields.Boolean()
use_digital_signature = fields.Boolean()
use_non_repudiation = fields.Boolean()
class ExtendedKeyUsageSchema(BaseExtensionSchema):
use_server_authentication = fields.Boolean()
use_client_authentication = fields.Boolean()
use_eap_over_lan = fields.Boolean()
use_eap_over_ppp = fields.Boolean()
use_ocsp_signing = fields.Boolean()
use_smart_card_authentication = fields.Boolean()
use_timestamping = fields.Boolean()
class SubjectKeyIdentifierSchema(BaseExtensionSchema):
include_ski = fields.Boolean()
@post_dump
def handle_keys(self, data):
return {'includeSKI': data['include_ski']}
class SubAltNameSchema(BaseExtensionSchema):
name_type = fields.String(validate=validators.sub_alt_type)
value = fields.String()
@validates_schema
def check_sensitive(self, data):
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if data.get('name_type') == 'DNSName':
validators.sensitive_domain(data['value'])
class SubAltNamesSchema(BaseExtensionSchema):
names = fields.Nested(SubAltNameSchema, many=True)
class CustomOIDSchema(BaseExtensionSchema):
oid = fields.String()
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encoding = fields.String(validate=validators.encoding)
value = fields.String()
class ExtensionSchema(BaseExtensionSchema):
basic_constraints = fields.Nested(BasicConstraintsSchema)
key_usage = fields.Nested(KeyUsageSchema)
extended_key_usage = fields.Nested(ExtendedKeyUsageSchema)
subject_key_identifier = fields.Nested(SubjectKeyIdentifierSchema)
sub_alt_names = fields.Nested(SubAltNamesSchema)
authority_identifier = fields.Nested(AuthorityIdentifierSchema)
authority_key_identifier = fields.Nested(AuthorityKeyIdentifierSchema)
certificate_info_access = fields.Nested(CertificateInfoAccessSchema)
custom = fields.List(fields.Nested(CustomOIDSchema))
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class EndpointNestedOutputSchema(LemurOutputSchema):
__envelope__ = False
id = fields.Integer()
description = fields.String()
name = fields.String()
dnsname = fields.String()
owner = fields.Email()
type = fields.String()
active = fields.Boolean()