Adding the ability to track a certificates signing key algorithm
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kevgliss
parent
4ec07a6dc7
commit
168f46a436
16
docs/faq.rst
16
docs/faq.rst
@ -14,6 +14,22 @@ I am seeing Lemur's javascript load in my browser but not the CSS.
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:doc:`production/index` for example configurations.
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Running 'lemur db upgrade' seems stuck.
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Most likely, the upgrade is stuck because an existing query on the database is holding onto a lock that the
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migration needs.
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To resolve, login to your lemur database and run:
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SELECT * FROM pg_locks l INNER JOIN pg_stat_activity s ON (l.pid = s.pid) WHERE waiting AND NOT granted;
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This will give you a list of queries that are currently waiting to be executed. From there attempt to idenity the PID
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of the query blocking the migration. Once found execute:
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select pg_terminate_backend(<blocking-pid>);
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See `<http://stackoverflow.com/questions/22896496/alembic-migration-stuck-with-postgresql>`_ for more.
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How do I
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--------
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@ -14,7 +14,7 @@ from sqlalchemy import Column, Integer, String, Text, func, ForeignKey, DateTime
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from sqlalchemy.dialects.postgresql import JSON
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from lemur.database import db
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from lemur.certificates.models import cert_get_cn, cert_get_not_after, cert_get_not_before
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from lemur.certificates.models import get_cn, get_not_after, get_not_before
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class Authority(db.Model):
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@ -44,9 +44,9 @@ class Authority(db.Model):
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self.owner = owner
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self.plugin_name = plugin_name
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cert = x509.load_pem_x509_certificate(str(body), default_backend())
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self.cn = cert_get_cn(cert)
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self.not_before = cert_get_not_before(cert)
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self.not_after = cert_get_not_after(cert)
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self.cn = get_cn(cert)
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self.not_before = get_not_before(cert)
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self.not_after = get_not_after(cert)
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self.roles = roles
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self.description = description
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@ -63,7 +63,11 @@ def create_name(issuer, not_before, not_after, subject, san):
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return temp.replace(" ", "-")
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def cert_get_cn(cert):
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def get_signing_algorithm(cert):
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return cert.signature_hash_algorithm.name
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def get_cn(cert):
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"""
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Attempts to get a sane common name from a given certificate.
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@ -75,7 +79,7 @@ def cert_get_cn(cert):
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)[0].value.strip()
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def cert_get_domains(cert):
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def get_domains(cert):
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"""
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Attempts to get an domains listed in a certificate.
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If 'subjectAltName' extension is not available we simply
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@ -96,7 +100,7 @@ def cert_get_domains(cert):
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return domains
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def cert_get_serial(cert):
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def get_serial(cert):
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"""
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Fetch the serial number from the certificate.
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@ -106,7 +110,7 @@ def cert_get_serial(cert):
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return cert.serial
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def cert_is_san(cert):
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def is_san(cert):
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"""
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Determines if a given certificate is a SAN certificate.
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SAN certificates are simply certificates that cover multiple domains.
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@ -114,18 +118,18 @@ def cert_is_san(cert):
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:param cert:
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:return: Bool
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"""
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if len(cert_get_domains(cert)) > 1:
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if len(get_domains(cert)) > 1:
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return True
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def cert_is_wildcard(cert):
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def is_wildcard(cert):
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"""
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Determines if certificate is a wildcard certificate.
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:param cert:
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:return: Bool
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"""
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domains = cert_get_domains(cert)
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domains = get_domains(cert)
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if len(domains) == 1 and domains[0][0:1] == "*":
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return True
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@ -133,7 +137,7 @@ def cert_is_wildcard(cert):
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return True
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def cert_get_bitstrength(cert):
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def get_bitstrength(cert):
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"""
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Calculates a certificates public key bit length.
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@ -143,7 +147,7 @@ def cert_get_bitstrength(cert):
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return cert.public_key().key_size
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def cert_get_issuer(cert):
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def get_issuer(cert):
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"""
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Gets a sane issuer from a given certificate.
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@ -160,7 +164,7 @@ def cert_get_issuer(cert):
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current_app.logger.error("Unable to get issuer! {0}".format(e))
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def cert_get_not_before(cert):
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def get_not_before(cert):
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"""
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Gets the naive datetime of the certificates 'not_before' field.
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This field denotes the first date in time which the given certificate
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@ -172,7 +176,7 @@ def cert_get_not_before(cert):
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return cert.not_valid_before
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def cert_get_not_after(cert):
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def get_not_after(cert):
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"""
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Gets the naive datetime of the certificates 'not_after' field.
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This field denotes the last date in time which the given certificate
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@ -224,6 +228,7 @@ class Certificate(db.Model):
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not_before = Column(DateTime)
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not_after = Column(DateTime)
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date_created = Column(DateTime, PassiveDefault(func.now()), nullable=False)
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signing_algorithm = Column(String(128))
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user_id = Column(Integer, ForeignKey('users.id'))
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authority_id = Column(Integer, ForeignKey('authorities.id'))
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notifications = relationship("Notification", secondary=certificate_notification_associations, backref='certificate')
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@ -237,16 +242,17 @@ class Certificate(db.Model):
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self.private_key = private_key
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self.chain = chain
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cert = x509.load_pem_x509_certificate(str(self.body), default_backend())
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self.bits = cert_get_bitstrength(cert)
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self.issuer = cert_get_issuer(cert)
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self.serial = cert_get_serial(cert)
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self.cn = cert_get_cn(cert)
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self.san = cert_is_san(cert)
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self.not_before = cert_get_not_before(cert)
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self.not_after = cert_get_not_after(cert)
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self.signing_algorithm = get_signing_algorithm(cert)
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self.bits = get_bitstrength(cert)
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self.issuer = get_issuer(cert)
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self.serial = get_serial(cert)
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self.cn = get_cn(cert)
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self.san = is_san(cert)
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self.not_before = get_not_before(cert)
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self.not_after = get_not_after(cert)
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self.name = create_name(self.issuer, self.not_before, self.not_after, self.cn, self.san)
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for domain in cert_get_domains(cert):
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for domain in get_domains(cert):
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self.domains.append(Domain(name=domain))
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@property
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@ -46,6 +46,7 @@ FIELDS = {
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'notBefore': fields.DateTime(dt_format='iso8601', attribute='not_before'),
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'notAfter': fields.DateTime(dt_format='iso8601', attribute='not_after'),
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'cn': fields.String,
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'signingAlgorithm': fields.String(attribute='signing_algorithm'),
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'status': fields.String,
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'body': fields.String
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}
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@ -400,6 +401,7 @@ class CertificatesUpload(AuthenticatedResource):
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"active": true,
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"notBefore": "2015-06-05T17:09:39",
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"notAfter": "2015-06-10T17:09:39",
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"signingAlgorithm": "sha2"
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"cn": "example.com",
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"status": "unknown"
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}
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@ -543,6 +545,7 @@ class Certificates(AuthenticatedResource):
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"active": true,
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"notBefore": "2015-06-05T17:09:39",
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"notAfter": "2015-06-10T17:09:39",
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"signingAlgorithm": "sha2",
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"cn": "example.com",
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"status": "unknown"
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}
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@ -677,6 +680,7 @@ class NotificationCertificatesList(AuthenticatedResource):
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"active": true,
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"notBefore": "2015-06-05T17:09:39",
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"notAfter": "2015-06-10T17:09:39",
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"signingAlgorithm": "sha2",
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"cn": "example.com",
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"status": "unknown"
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}
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@ -716,6 +716,24 @@ def publish_verisign_units():
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requests.post('http://localhost:8078/metrics', data=json.dumps(metric))
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@manager.command
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def backfill_signing_algo():
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"""
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Will attempt to backfill the signing_algorithm column
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:return:
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"""
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from cryptography import x509
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from cryptography.hazmat.backends import default_backend
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from lemur.certificates.models import get_signing_algorithm
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for c in cert_service.get_all_certs():
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cert = x509.load_pem_x509_certificate(str(c.body), default_backend())
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c.signing_algorithm = get_signing_algorithm(cert)
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c.signing_algorithm
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database.update(c)
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print c.signing_algorithm
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def main():
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manager.add_command("start", LemurServer())
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manager.add_command("runserver", Server(host='127.0.0.1'))
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26
lemur/migrations/versions/4bcfa2c36623_.py
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26
lemur/migrations/versions/4bcfa2c36623_.py
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@ -0,0 +1,26 @@
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"""Adding certificate signing algorithm
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Revision ID: 4bcfa2c36623
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Revises: 1ff763f5b80b
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Create Date: 2015-10-06 10:03:47.993204
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"""
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# revision identifiers, used by Alembic.
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revision = '4bcfa2c36623'
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down_revision = '1ff763f5b80b'
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from alembic import op
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import sqlalchemy as sa
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def upgrade():
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### commands auto generated by Alembic - please adjust! ###
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op.add_column('certificates', sa.Column('signing_algorithm', sa.String(length=128), nullable=True))
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### end Alembic commands ###
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def downgrade():
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### commands auto generated by Alembic - please adjust! ###
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op.drop_column('certificates', 'signing_algorithm')
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### end Alembic commands ###
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@ -89,6 +89,10 @@
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<strong>Bits</strong>
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<span class="pull-right">{{ certificate.bits }}</span>
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</li>
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<li class="list-group-item">
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<strong>Signing Algorithm</strong>
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<span class="pull-right">{{ certificate.signingAlgorithm }}</span>
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</li>
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<li class="list-group-item">
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<strong>Serial</strong>
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<span class="pull-right">{{ certificate.serial }}</span>
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@ -79,6 +79,11 @@ angular.module('lemur')
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$scope.bits = data.items;
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});
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LemurRestangular.all('certificates').customGET('stats', {metric: 'signing_algorithm'})
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.then(function (data) {
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$scope.algos = data.items;
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});
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LemurRestangular.all('certificates').customGET('stats', {metric: 'not_after'})
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.then(function (data) {
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$scope.expiring = {labels: data.items.labels, values: [data.items.values]};
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@ -23,8 +23,7 @@
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<h3 class="panel-title">Issuers</h3>
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</div>
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<div class="panel-body">
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<canvas id="issuersPie" class="chart chart-pie" data="issuers.values" labels="issuers.labels" colours="colours"
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legend="true"></canvas>
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<canvas id="issuersPie" class="chart chart-pie" data="issuers.values" labels="issuers.labels" colours="colours"></canvas>
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</div>
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</div>
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</div>
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@ -34,8 +33,7 @@
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<h3 class="panel-title">Bit Strength</h3>
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</div>
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<div class="panel-body">
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<canvas id="bitsPie" class="chart chart-pie" data="bits.values" labels="bits.labels" colours="colours"
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legend="true"></canvas>
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<canvas id="bitsPie" class="chart chart-pie" data="bits.values" labels="bits.labels" colours="colours"></canvas>
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</div>
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</div>
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</div>
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@ -47,7 +45,18 @@
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</div>
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<div class="panel-body">
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<canvas id="destinationPie" class="chart chart-pie" data="destinations.values" labels="destinations.labels"
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colours="colours" legend="true"></canvas>
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colours="colours"></canvas>
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</div>
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</div>
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</div>
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<div class="col-md-6">
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<div class="panel panel-default">
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<div class="panel-heading">
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<h3 class="panel-title">Signing Algorithms</h3>
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</div>
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<div class="panel-body">
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<canvas id="signingPie" class="chart chart-pie" data="algos.values" labels="algos.labels"
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colours="colours"></canvas>
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</div>
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</div>
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</div>
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