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calibre-web/cps/services/simpleldap.py
2021-10-04 19:23:24 +02:00

128 lines
4.6 KiB
Python

# -*- coding: utf-8 -*-
# This file is part of the Calibre-Web (https://github.com/janeczku/calibre-web)
# Copyright (C) 2018-2019 OzzieIsaacs, pwr
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
import base64
from flask_simpleldap import LDAP, LDAPException
from flask_simpleldap import ldap as pyLDAP
from .. import constants, logger
try:
from ldap.pkginfo import __version__ as ldapVersion
except ImportError:
pass
log = logger.create()
_ldap = LDAP()
def init_app(app, config):
if config.config_login_type != constants.LOGIN_LDAP:
return
app.config['LDAP_HOST'] = config.config_ldap_provider_url
app.config['LDAP_PORT'] = config.config_ldap_port
app.config['LDAP_CUSTOM_OPTIONS'] = {pyLDAP.OPT_REFERRALS: 0}
if config.config_ldap_encryption == 2:
app.config['LDAP_SCHEMA'] = 'ldaps'
else:
app.config['LDAP_SCHEMA'] = 'ldap'
if config.config_ldap_authentication > constants.LDAP_AUTH_ANONYMOUS:
if config.config_ldap_authentication > constants.LDAP_AUTH_UNAUTHENTICATE:
if config.config_ldap_serv_password is None:
config.config_ldap_serv_password = ''
app.config['LDAP_PASSWORD'] = base64.b64decode(config.config_ldap_serv_password)
else:
app.config['LDAP_PASSWORD'] = base64.b64decode("")
app.config['LDAP_USERNAME'] = config.config_ldap_serv_username
else:
app.config['LDAP_USERNAME'] = ""
app.config['LDAP_PASSWORD'] = base64.b64decode("")
if bool(config.config_ldap_cert_path):
app.config['LDAP_CUSTOM_OPTIONS'].update({
pyLDAP.OPT_X_TLS_REQUIRE_CERT: pyLDAP.OPT_X_TLS_DEMAND,
pyLDAP.OPT_X_TLS_CACERTFILE: config.config_ldap_cacert_path,
pyLDAP.OPT_X_TLS_CERTFILE: config.config_ldap_cert_path,
pyLDAP.OPT_X_TLS_KEYFILE: config.config_ldap_key_path,
pyLDAP.OPT_X_TLS_NEWCTX: 0
})
app.config['LDAP_BASE_DN'] = config.config_ldap_dn
app.config['LDAP_USER_OBJECT_FILTER'] = config.config_ldap_user_object
app.config['LDAP_USE_TLS'] = bool(config.config_ldap_encryption == 1)
app.config['LDAP_USE_SSL'] = bool(config.config_ldap_encryption == 2)
app.config['LDAP_OPENLDAP'] = bool(config.config_ldap_openldap)
app.config['LDAP_GROUP_OBJECT_FILTER'] = config.config_ldap_group_object_filter
app.config['LDAP_GROUP_MEMBERS_FIELD'] = config.config_ldap_group_members_field
try:
_ldap.init_app(app)
except ValueError:
if bool(config.config_ldap_cert_path):
app.config['LDAP_CUSTOM_OPTIONS'].pop(pyLDAP.OPT_X_TLS_NEWCTX)
try:
_ldap.init_app(app)
except RuntimeError as e:
log.error(e)
except RuntimeError as e:
log.error(e)
def get_object_details(user=None,query_filter=None):
return _ldap.get_object_details(user, query_filter=query_filter)
def bind():
return _ldap.bind()
def get_group_members(group):
return _ldap.get_group_members(group)
def basic_auth_required(func):
return _ldap.basic_auth_required(func)
def bind_user(username, password):
'''Attempts a LDAP login.
:returns: True if login succeeded, False if login failed, None if server unavailable.
'''
try:
if _ldap.get_object_details(username):
result = _ldap.bind_user(username, password)
log.debug("LDAP login '%s': %r", username, result)
return result is not None, None
return None, None # User not found
except (TypeError, AttributeError, KeyError) as ex:
error = ("LDAP bind_user: %s" % ex)
return None, error
except LDAPException as ex:
if ex.message == 'Invalid credentials':
error = "LDAP admin login failed"
return None, error
if ex.message == "Can't contact LDAP server":
# log.warning('LDAP Server down: %s', ex)
error = ('LDAP Server down: %s' % ex)
return None, error
else:
error = ('LDAP Server error: %s' % ex.message)
return None, error