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move LDAP authentication to AuthenticationHandler

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This commit is contained in:
Christoph Witzany 2016-04-06 13:02:49 +02:00
parent 3d95405e5f
commit 7b9319b1c8
2 changed files with 48 additions and 61 deletions
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54
synapse/handlers/auth.py
View file

@ -30,6 +30,8 @@ import simplejson
import synapse.util.stringutils as stringutils
import ldap
logger = logging.getLogger(__name__)
@ -49,6 +51,15 @@ class AuthHandler(BaseHandler):
self.sessions = {}
self.INVALID_TOKEN_HTTP_STATUS = 401
self.ldap_enabled = hs.config.ldap_enabled
self.ldap_server = hs.config.ldap_server
self.ldap_port = hs.config.ldap_port
self.ldap_search_base = hs.config.ldap_search_base
self.ldap_search_property = hs.config.ldap_search_property
self.ldap_email_property = hs.config.ldap_email_property
self.ldap_full_name_property = hs.config.ldap_full_name_property
@defer.inlineCallbacks
def check_auth(self, flows, clientdict, clientip):
"""
@ -215,8 +226,8 @@ class AuthHandler(BaseHandler):
if not user_id.startswith('@'):
user_id = UserID.create(user_id, self.hs.hostname).to_string()
user_id, password_hash = yield self._find_user_id_and_pwd_hash(user_id)
self._check_password(user_id, password, password_hash)
self._check_password(user_id, password)
defer.returnValue(user_id)
@defer.inlineCallbacks
@ -340,8 +351,8 @@ class AuthHandler(BaseHandler):
StoreError if there was a problem storing the token.
LoginError if there was an authentication problem.
"""
user_id, password_hash = yield self._find_user_id_and_pwd_hash(user_id)
self._check_password(user_id, password, password_hash)
self._check_password(user_id, password)
logger.info("Logging in user %s", user_id)
access_token = yield self.issue_access_token(user_id)
@ -407,12 +418,43 @@ class AuthHandler(BaseHandler):
else:
defer.returnValue(user_infos.popitem())
def _check_password(self, user_id, password, stored_hash):
def _check_password(self, user_id, password):
"""Checks that user_id has passed password, raises LoginError if not."""
if not self.validate_hash(password, stored_hash):
if not (self._check_ldap_password(user_id, password) or self._check_local_password(user_id, password)):
logger.warn("Failed password login for user %s", user_id)
raise LoginError(403, "", errcode=Codes.FORBIDDEN)
def _check_local_password(self, user_id, password):
user_id, password_hash = yield self._find_user_id_and_pwd_hash(user_id)
return not self.validate_hash(password, password_hash)
def _check_ldap_password(self, user_id, password):
if not self.ldap_enabled:
return False
logger.info("Authenticating %s with LDAP" % user_id)
try:
l = ldap.initialize("%s:%s" % (ldap_server, ldap_port))
if self.ldap_tls:
logger.debug("Initiating TLS")
self._connection.start_tls_s()
dn = "%s=%s, %s" % (ldap_search_property, user_id.localpart, ldap_search_base)
logger.debug("DN for LDAP authentication: %s" % dn)
l.simple_bind_s(dn.encode('utf-8'), password.encode('utf-8'))
if not self.does_user_exist(user_id):
user_id, access_token = (
yield self.handlers.registration_handler.register(localpart=user_id.localpart)
)
return True
except ldap.LDAPError, e:
logger.info(e)
return False
@defer.inlineCallbacks
def issue_access_token(self, user_id):
access_token = self.generate_access_token(user_id)

55
synapse/rest/client/v1/login.py
View file

@ -36,8 +36,6 @@ import xml.etree.ElementTree as ET
import jwt
from jwt.exceptions import InvalidTokenError
import ldap
logger = logging.getLogger(__name__)
@ -49,7 +47,6 @@ class LoginRestServlet(ClientV1RestServlet):
CAS_TYPE = "m.login.cas"
TOKEN_TYPE = "m.login.token"
JWT_TYPE = "m.login.jwt"
LDAP_TYPE = "m.login.ldap"
def __init__(self, hs):
super(LoginRestServlet, self).__init__(hs)
@ -59,13 +56,6 @@ class LoginRestServlet(ClientV1RestServlet):
self.jwt_enabled = hs.config.jwt_enabled
self.jwt_secret = hs.config.jwt_secret
self.jwt_algorithm = hs.config.jwt_algorithm
self.ldap_enabled = hs.config.ldap_enabled
self.ldap_server = hs.config.ldap_server
self.ldap_port = hs.config.ldap_port
self.ldap_search_base = hs.config.ldap_search_base
self.ldap_search_property = hs.config.ldap_search_property
self.ldap_email_property = hs.config.ldap_email_property
self.ldap_full_name_property = hs.config.ldap_full_name_property
self.cas_enabled = hs.config.cas_enabled
self.cas_server_url = hs.config.cas_server_url
self.cas_required_attributes = hs.config.cas_required_attributes
@ -74,8 +64,6 @@ class LoginRestServlet(ClientV1RestServlet):
def on_GET(self, request):
flows = []
if self.ldap_enabled:
flows.append({"type": LoginRestServlet.LDAP_TYPE})
if self.jwt_enabled:
flows.append({"type": LoginRestServlet.JWT_TYPE})
if self.saml2_enabled:
@ -176,49 +164,6 @@ class LoginRestServlet(ClientV1RestServlet):
defer.returnValue((200, result))
@defer.inlineCallbacks
def do_ldap_login(self, login_submission):
if 'medium' in login_submission and 'address' in login_submission:
user_id = yield self.hs.get_datastore().get_user_id_by_threepid(
login_submission['medium'], login_submission['address']
)
if not user_id:
raise LoginError(403, "", errcode=Codes.FORBIDDEN)
else:
user_id = login_submission['user']
if not user_id.startswith('@'):
user_id = UserID.create(
user_id, self.hs.hostname
).to_string()
# FIXME check against LDAP Server!!
auth_handler = self.handlers.auth_handler
user_exists = yield auth_handler.does_user_exist(user_id)
if user_exists:
user_id, access_token, refresh_token = (
yield auth_handler.get_login_tuple_for_user_id(user_id)
)
result = {
"user_id": user_id, # may have changed
"access_token": access_token,
"refresh_token": refresh_token,
"home_server": self.hs.hostname,
}
else:
user_id, access_token = (
yield self.handlers.registration_handler.register(localpart=user_id.localpart)
)
result = {
"user_id": user_id, # may have changed
"access_token": access_token,
"home_server": self.hs.hostname,
}
defer.returnValue((200, result))
@defer.inlineCallbacks
def do_token_login(self, login_submission):