251 lines
7.1 KiB
Python
251 lines
7.1 KiB
Python
"""
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.. module: lemur.sources.service
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:platform: Unix
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:copyright: (c) 2015 by Netflix Inc., see AUTHORS for more
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:license: Apache, see LICENSE for more details.
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.. moduleauthor:: Kevin Glisson <kglisson@netflix.com>
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"""
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import arrow
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from flask import current_app
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from lemur import database
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from lemur.sources.models import Source
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from lemur.certificates.models import Certificate
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from lemur.certificates import service as certificate_service
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from lemur.endpoints import service as endpoint_service
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from lemur.destinations import service as destination_service
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from lemur.certificates.schemas import CertificateUploadInputSchema
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from lemur.common.utils import parse_certificate
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from lemur.common.defaults import serial
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from lemur.plugins.base import plugins
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def certificate_create(certificate, source):
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data, errors = CertificateUploadInputSchema().load(certificate)
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if errors:
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raise Exception("Unable to import certificate: {reasons}".format(reasons=errors))
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data['creator'] = certificate['creator']
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cert = certificate_service.import_certificate(**data)
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cert.description = "This certificate was automatically discovered by Lemur"
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cert.sources.append(source)
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sync_update_destination(cert, source)
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database.update(cert)
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return cert
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def certificate_update(certificate, source):
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for s in certificate.sources:
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if s.label == source.label:
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break
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else:
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certificate.sources.append(source)
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sync_update_destination(certificate, source)
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database.update(certificate)
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def sync_update_destination(certificate, source):
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dest = destination_service.get_by_label(source.label)
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if dest:
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for d in certificate.destinations:
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if d.label == source.label:
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break
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else:
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certificate.destinations.append(dest)
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def sync_endpoints(source):
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new, updated = 0, 0
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current_app.logger.debug("Retrieving endpoints from {0}".format(source.label))
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s = plugins.get(source.plugin_name)
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try:
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endpoints = s.get_endpoints(source.options)
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except NotImplementedError:
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current_app.logger.warning("Unable to sync endpoints for source {0} plugin has not implemented 'get_endpoints'".format(source.label))
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return new, updated
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for endpoint in endpoints:
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exists = endpoint_service.get_by_dnsname_and_port(endpoint['dnsname'], endpoint['port'])
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certificate_name = endpoint.pop('certificate_name')
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endpoint['certificate'] = certificate_service.get_by_name(certificate_name)
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if not endpoint['certificate']:
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current_app.logger.error(
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"Certificate Not Found. Name: {0} Endpoint: {1}".format(certificate_name, endpoint['name']))
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continue
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policy = endpoint.pop('policy')
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policy_ciphers = []
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for nc in policy['ciphers']:
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policy_ciphers.append(endpoint_service.get_or_create_cipher(name=nc))
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policy['ciphers'] = policy_ciphers
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endpoint['policy'] = endpoint_service.get_or_create_policy(**policy)
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endpoint['source'] = source
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if not exists:
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current_app.logger.debug("Endpoint Created: Name: {name}".format(name=endpoint['name']))
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endpoint_service.create(**endpoint)
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new += 1
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else:
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current_app.logger.debug("Endpoint Updated: {}".format(endpoint))
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endpoint_service.update(exists.id, **endpoint)
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updated += 1
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return new, updated
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# TODO this is very slow as we don't batch update certificates
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def sync_certificates(source, user):
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new, updated = 0, 0
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current_app.logger.debug("Retrieving certificates from {0}".format(source.label))
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s = plugins.get(source.plugin_name)
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certificates = s.get_certificates(source.options)
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for certificate in certificates:
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if certificate.get('name'):
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exists = [certificate_service.get_by_name(certificate['name'])]
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elif certificate.get('serial'):
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exists = certificate_service.get_by_serial(certificate['serial'])
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else:
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cert = parse_certificate(certificate['body'])
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exists = certificate_service.get_by_serial(serial(cert))
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if not certificate.get('owner'):
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certificate['owner'] = user.email
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certificate['creator'] = user
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exists = [x for x in exists if x]
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if not exists:
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certificate_create(certificate, source)
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new += 1
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else:
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for e in exists:
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if certificate.get('external_id'):
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e.external_id = certificate['external_id']
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if certificate.get('authority_id'):
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e.authority_id = certificate['authority_id']
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certificate_update(e, source)
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updated += 1
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return new, updated
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def sync(source, user):
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new_certs, updated_certs = sync_certificates(source, user)
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new_endpoints, updated_endpoints = sync_endpoints(source)
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source.last_run = arrow.utcnow()
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database.update(source)
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return {'endpoints': (new_endpoints, updated_endpoints), 'certificates': (new_certs, updated_certs)}
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def create(label, plugin_name, options, description=None):
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"""
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Creates a new source, that can then be used as a source for certificates.
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:param label: Source common name
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:param plugin_name:
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:param options:
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:param description:
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:rtype : Source
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:return: New source
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"""
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source = Source(label=label, options=options, plugin_name=plugin_name, description=description)
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return database.create(source)
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def update(source_id, label, options, description):
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"""
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Updates an existing source.
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:param source_id: Lemur assigned ID
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:param label: Source common name
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:param options:
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:param description:
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:rtype : Source
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:return:
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"""
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source = get(source_id)
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source.label = label
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source.options = options
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source.description = description
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return database.update(source)
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def delete(source_id):
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"""
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Deletes an source.
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:param source_id: Lemur assigned ID
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"""
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database.delete(get(source_id))
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def get(source_id):
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"""
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Retrieves an source by its lemur assigned ID.
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:param source_id: Lemur assigned ID
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:rtype : Source
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:return:
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"""
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return database.get(Source, source_id)
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def get_by_label(label):
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"""
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Retrieves a source by its label
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:param label:
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:return:
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"""
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return database.get(Source, label, field='label')
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def get_all():
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"""
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Retrieves all source currently known by Lemur.
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:return:
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"""
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query = database.session_query(Source)
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return database.find_all(query, Source, {}).all()
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def render(args):
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filt = args.pop('filter')
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certificate_id = args.pop('certificate_id', None)
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if certificate_id:
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query = database.session_query(Source).join(Certificate, Source.certificate)
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query = query.filter(Certificate.id == certificate_id)
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else:
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query = database.session_query(Source)
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if filt:
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terms = filt.split(';')
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query = database.filter(query, Source, terms)
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return database.sort_and_page(query, Source, args)
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