lemur/lemur/endpoints/models.py

94 lines
3.0 KiB
Python

"""
.. module: lemur.endpoints.models
:platform: unix
:synopsis: This module contains all of the models need to create an authority within Lemur.
:copyright: (c) 2018 by Netflix Inc., see AUTHORS for more
:license: Apache, see LICENSE for more details.
.. moduleauthor:: Kevin Glisson <kglisson@netflix.com>
"""
import arrow
from sqlalchemy.orm import relationship
from sqlalchemy.ext.associationproxy import association_proxy
from sqlalchemy import Column, Integer, String, Boolean, ForeignKey
from sqlalchemy.ext.hybrid import hybrid_property
from sqlalchemy.sql.expression import case
from sqlalchemy_utils import ArrowType
from lemur.database import db
from lemur.models import policies_ciphers
BAD_CIPHERS = [
'Protocol-SSLv3',
'Protocol-SSLv2',
'Protocol-TLSv1'
]
class Cipher(db.Model):
__tablename__ = 'ciphers'
id = Column(Integer, primary_key=True)
name = Column(String(128), nullable=False)
@hybrid_property
def deprecated(self):
return self.name in BAD_CIPHERS
@deprecated.expression
def deprecated(cls):
return case(
[
(cls.name in BAD_CIPHERS, True)
],
else_=False
)
class Policy(db.Model):
___tablename__ = 'policies'
id = Column(Integer, primary_key=True)
name = Column(String(128), nullable=True)
ciphers = relationship('Cipher', secondary=policies_ciphers, backref='policy')
class Endpoint(db.Model):
__tablename__ = 'endpoints'
id = Column(Integer, primary_key=True)
owner = Column(String(128))
name = Column(String(128))
dnsname = Column(String(256))
type = Column(String(128))
active = Column(Boolean, default=True)
port = Column(Integer)
policy_id = Column(Integer, ForeignKey('policy.id'))
policy = relationship('Policy', backref='endpoint')
certificate_id = Column(Integer, ForeignKey('certificates.id'))
source_id = Column(Integer, ForeignKey('sources.id'))
sensitive = Column(Boolean, default=False)
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)
replaced = association_proxy('certificate', 'replaced')
@property
def issues(self):
issues = []
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)})
if self.certificate.expired:
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.'})
return issues
def __repr__(self):
return "Endpoint(name={name})".format(name=self.name)