mirror of
https://github.com/janeczku/calibre-web
synced 2024-09-06 20:46:51 +00:00
168 lines
5.9 KiB
Python
168 lines
5.9 KiB
Python
# -*- coding: utf-8 -*-
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# This file is part of the Calibre-Web (https://github.com/janeczku/calibre-web)
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# Copyright (C) 2018-2019 OzzieIsaacs, pwr
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#
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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import base64
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from flask_simpleldap import LDAP, LDAPException
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from flask_simpleldap import ldap as pyLDAP
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from flask import current_app
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from .. import constants, logger
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try:
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from ldap.pkginfo import __version__ as ldapVersion
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except ImportError:
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pass
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log = logger.create()
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class LDAPLogger(object):
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def write(self, message):
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try:
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log.debug(message.strip("\n").replace("\n", ""))
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except Exception:
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log.debug("Logging Error")
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class mySimpleLDap(LDAP):
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@staticmethod
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def init_app(app):
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super(mySimpleLDap, mySimpleLDap).init_app(app)
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app.config.setdefault('LDAP_LOGLEVEL', 0)
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@property
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def initialize(self):
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"""Initialize a connection to the LDAP server.
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:return: LDAP connection object.
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"""
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try:
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log_level = 2 if current_app.config['LDAP_LOGLEVEL'] == logger.logging.DEBUG else 0
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conn = pyLDAP.initialize('{0}://{1}:{2}'.format(
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current_app.config['LDAP_SCHEMA'],
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current_app.config['LDAP_HOST'],
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current_app.config['LDAP_PORT']), trace_level=log_level, trace_file=LDAPLogger())
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conn.set_option(pyLDAP.OPT_NETWORK_TIMEOUT,
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current_app.config['LDAP_TIMEOUT'])
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conn = self._set_custom_options(conn)
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conn.protocol_version = pyLDAP.VERSION3
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if current_app.config['LDAP_USE_TLS']:
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conn.start_tls_s()
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return conn
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except pyLDAP.LDAPError as e:
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raise LDAPException(self.error(e.args))
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_ldap = mySimpleLDap()
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def init_app(app, config):
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if config.config_login_type != constants.LOGIN_LDAP:
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return
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app.config['LDAP_HOST'] = config.config_ldap_provider_url
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app.config['LDAP_PORT'] = config.config_ldap_port
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app.config['LDAP_CUSTOM_OPTIONS'] = {pyLDAP.OPT_REFERRALS: 0}
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if config.config_ldap_encryption == 2:
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app.config['LDAP_SCHEMA'] = 'ldaps'
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else:
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app.config['LDAP_SCHEMA'] = 'ldap'
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if config.config_ldap_authentication > constants.LDAP_AUTH_ANONYMOUS:
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if config.config_ldap_authentication > constants.LDAP_AUTH_UNAUTHENTICATE:
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if config.config_ldap_serv_password_e is None:
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config.config_ldap_serv_password_e = ''
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app.config['LDAP_PASSWORD'] = config.config_ldap_serv_password_e
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else:
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app.config['LDAP_PASSWORD'] = ""
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app.config['LDAP_USERNAME'] = config.config_ldap_serv_username
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else:
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app.config['LDAP_USERNAME'] = ""
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app.config['LDAP_PASSWORD'] = ""
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if bool(config.config_ldap_cert_path):
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app.config['LDAP_CUSTOM_OPTIONS'].update({
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pyLDAP.OPT_X_TLS_REQUIRE_CERT: pyLDAP.OPT_X_TLS_DEMAND,
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pyLDAP.OPT_X_TLS_CACERTFILE: config.config_ldap_cacert_path,
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pyLDAP.OPT_X_TLS_CERTFILE: config.config_ldap_cert_path,
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pyLDAP.OPT_X_TLS_KEYFILE: config.config_ldap_key_path,
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pyLDAP.OPT_X_TLS_NEWCTX: 0
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})
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app.config['LDAP_BASE_DN'] = config.config_ldap_dn
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app.config['LDAP_USER_OBJECT_FILTER'] = config.config_ldap_user_object
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app.config['LDAP_USE_TLS'] = bool(config.config_ldap_encryption == 1)
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app.config['LDAP_USE_SSL'] = bool(config.config_ldap_encryption == 2)
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app.config['LDAP_OPENLDAP'] = bool(config.config_ldap_openldap)
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app.config['LDAP_GROUP_OBJECT_FILTER'] = config.config_ldap_group_object_filter
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app.config['LDAP_GROUP_MEMBERS_FIELD'] = config.config_ldap_group_members_field
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app.config['LDAP_LOGLEVEL'] = config.config_log_level
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try:
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_ldap.init_app(app)
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except ValueError:
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if bool(config.config_ldap_cert_path):
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app.config['LDAP_CUSTOM_OPTIONS'].pop(pyLDAP.OPT_X_TLS_NEWCTX)
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try:
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_ldap.init_app(app)
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except RuntimeError as e:
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log.error(e)
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except RuntimeError as e:
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log.error(e)
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def get_object_details(user=None,query_filter=None):
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return _ldap.get_object_details(user, query_filter=query_filter)
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def bind():
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return _ldap.bind()
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def get_group_members(group):
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return _ldap.get_group_members(group)
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def basic_auth_required(func):
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return _ldap.basic_auth_required(func)
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def bind_user(username, password):
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'''Attempts a LDAP login.
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:returns: True if login succeeded, False if login failed, None if server unavailable.
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'''
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try:
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if _ldap.get_object_details(username):
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result = _ldap.bind_user(username, password)
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log.debug("LDAP login '%s': %r", username, result)
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return result is not None, None
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return None, None # User not found
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except (TypeError, AttributeError, KeyError) as ex:
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error = ("LDAP bind_user: %s" % ex)
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return None, error
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except LDAPException as ex:
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if ex.message == 'Invalid credentials':
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error = "LDAP admin login failed"
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return None, error
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if ex.message == "Can't contact LDAP server":
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# log.warning('LDAP Server down: %s', ex)
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error = ('LDAP Server down: %s' % ex)
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return None, error
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else:
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error = ('LDAP Server error: %s' % ex.message)
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return None, error
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