121 lines
5.0 KiB
Python
121 lines
5.0 KiB
Python
from lemur.plugins.bases import IssuerPlugin, SourcePlugin
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import requests
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import datetime
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import lemur_adcs as ADCS
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from certsrv import Certsrv
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import ssl
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from OpenSSL import crypto
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from flask import current_app
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class ADCSIssuerPlugin(IssuerPlugin):
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title = 'ADCS'
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slug = 'adcs-issuer'
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description = 'Enables the creation of certificates by ADCS (Active Direcory Certificate Services)'
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version = ADCS.VERSION
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author = 'sirferl'
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author_url = 'https://github.com/sirferl/lemur'
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def __init__(self, *args, **kwargs):
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"""Initialize the issuer with the appropriate details."""
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self.session = requests.Session()
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super(ADCSIssuerPlugin, self).__init__(*args, **kwargs)
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@staticmethod
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def create_authority(options):
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"""Create an authority.
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Creates an authority, this authority is then used by Lemur to
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allow a user to specify which Certificate Authority they want
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to sign their certificate.
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:param options:
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:return:
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"""
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role = {'username': '', 'password': '', 'name': 'adcs'}
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return constants.ADCS_ROOT, constants.ADCS_ISSUING, [role]
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def create_certificate(self, csr, issuer_options):
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adcs_server = current_app.config.get('ADCS_SERVER')
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adcs_user = current_app.config.get('ADCS_USER')
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adcs_pwd = current_app.config.get('ADCS_PWD')
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adcs_auth_method = current_app.config.get('ADCS_AUTH_METHOD')
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ca_server = Certsrv(adcs_server, adcs_user, adcs_pwd, auth_method = adcs_auth_method)
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current_app.logger.info("Requesting CSR: {0}".format(csr))
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current_app.logger.info("Issuer options: {0}".format(issuer_options))
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cert, req_id = ca_server.get_cert(csr, ADCS_TEMPLATE, encoding='b64').decode('utf-8').replace('\r\n', '\n')
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chain = ca_server.get_ca_cert(encoding='b64').decode('utf-8').replace('\r\n', '\n')
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return cert, chain, req_id
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def revoke_certificate(self, certificate, comments):
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# requests.put('a third party')
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raise NotImplementedError('Not implemented\n', self,certificate, comments)
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def get_ordered_certificate(self, order_id):
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# requests.get('already existing certificate')
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raise NotImplementedError('Not implemented\n',self, order_id)
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def canceled_ordered_certificate(self, pending_cert, **kwargs):
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# requests.put('cancel an order that has yet to be issued')
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raise NotImplementedError('Not implemented\n',self, pending_cert, **kwargs)
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class ADCSSourcePlugin(SourcePlugin):
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title = 'ADCS'
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slug = 'adcs-source'
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description = 'Enables the collecion of certificates'
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version = ADCS.VERSION
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author = 'sirferl'
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author_url = 'https://github.com/sirferl/lemur'
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options = [
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{
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'name': 'dummy',
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'type': 'str',
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'required': False,
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'validation': '/^[0-9]{12,12}$/',
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'helpMessage': 'Just to prevent error'
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}
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]
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def get_certificates(self,options, **kwargs):
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adcs_server = current_app.config.get('ADCS_SERVER')
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adcs_user = current_app.config.get('ADCS_USER')
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adcs_pwd = current_app.config.get('ADCS_PWD')
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adcs_auth_method = current_app.config.get('ADCS_AUTH_METHOD')
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adcs_start = current_app.config.get('ADCS_START')
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adcs_stop = current_app.config.get('ADCS_STOP')
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ca_server = Certsrv(adcs_server, adcs_user, adcs_pwd, auth_method = adcs_auth_method)
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out_certlist = []
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for id in range(adcs_start,adcs_stop):
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try:
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cert = ca_server.get_existing_cert(id, encoding='b64').decode('utf-8').replace('\r\n', '\n')
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except Exception as err:
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if '{0}'.format(err).find("CERTSRV_E_PROPERTY_EMPTY"):
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#this error indicates end of certificate list(?), so we stop
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break
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else:
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# We do nothing in case there is no certificate returned with the current id for other reasons
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current_app.logger.info("Error with id {0}: {1}".format(id, err))
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else:
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#we have a certificate
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pubkey = crypto.load_certificate(crypto.FILETYPE_PEM, cert)
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#loop through extensions to see if we find "TLS Web Server Authentication"
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for e_id in range(0,pubkey.get_extension_count()-1):
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try:
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extension = '{0}'.format(pubkey.get_extension(e_id))
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except:
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extensionn = ''
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if extension.find("TLS Web Server Authentication") != -1:
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out_certlist.append ( {
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'name': format(pubkey.get_subject().CN),
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'body' : cert})
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break
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return out_certlist
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def get_endpoints(self, options, **kwargs):
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# There are no endpoints in the ADCS
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raise NotImplementedError('Not implemented\n',self, options, **kwargs)
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