lemur/lemur/sources/service.py

251 lines
7.1 KiB
Python

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