mirror of
https://git.anonymousland.org/anonymousland/synapse-product.git
synced 2024-10-01 08:25:44 -04:00
110 lines
3.7 KiB
Python
110 lines
3.7 KiB
Python
# -*- coding: utf-8 -*-
|
|
# Copyright 2014, 2015 OpenMarket Ltd
|
|
#
|
|
# Licensed under the Apache License, Version 2.0 (the "License");
|
|
# you may not use this file except in compliance with the License.
|
|
# You may obtain a copy of the License at
|
|
#
|
|
# http://www.apache.org/licenses/LICENSE-2.0
|
|
#
|
|
# Unless required by applicable law or agreed to in writing, software
|
|
# distributed under the License is distributed on an "AS IS" BASIS,
|
|
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
# See the License for the specific language governing permissions and
|
|
# limitations under the License.
|
|
|
|
from twisted.internet import defer
|
|
|
|
from ._base import BaseHandler
|
|
from synapse.api.constants import LoginType
|
|
from synapse.types import UserID
|
|
from synapse.api.errors import LoginError, Codes
|
|
|
|
import logging
|
|
import bcrypt
|
|
|
|
|
|
logger = logging.getLogger(__name__)
|
|
|
|
|
|
class AuthHandler(BaseHandler):
|
|
|
|
def __init__(self, hs):
|
|
super(AuthHandler, self).__init__(hs)
|
|
|
|
@defer.inlineCallbacks
|
|
def check_auth(self, flows, clientdict):
|
|
"""
|
|
Takes a dictionary sent by the client in the login / registration
|
|
protocol and handles the login flow.
|
|
|
|
Args:
|
|
flows: list of list of stages
|
|
authdict: The dictionary from the client root level, not the
|
|
'auth' key: this method prompts for auth if none is sent.
|
|
Returns:
|
|
A tuple of authed, dict where authed is true if the client
|
|
has successfully completed an auth flow. If it is true, the dict
|
|
contains the authenticated credentials of each stage.
|
|
If authed is false, the dictionary is the server response to the
|
|
login request and should be passed back to the client.
|
|
"""
|
|
types = {
|
|
LoginType.PASSWORD: self.check_password_auth
|
|
}
|
|
|
|
if 'auth' not in clientdict:
|
|
defer.returnValue((False, auth_dict_for_flows(flows)))
|
|
|
|
authdict = clientdict['auth']
|
|
|
|
# In future: support sessions & retrieve previously succeeded
|
|
# login types
|
|
creds = {}
|
|
|
|
# check auth type currently being presented
|
|
if 'type' not in authdict:
|
|
raise LoginError(400, "", Codes.MISSING_PARAM)
|
|
if authdict['type'] not in types:
|
|
raise LoginError(400, "", Codes.UNRECOGNIZED)
|
|
result = yield types[authdict['type']](authdict)
|
|
if result:
|
|
creds[authdict['type']] = result
|
|
|
|
for f in flows:
|
|
if len(set(f) - set(creds.keys())) == 0:
|
|
logger.info("Auth completed with creds: %r", creds)
|
|
defer.returnValue((True, creds))
|
|
|
|
ret = auth_dict_for_flows(flows)
|
|
ret['completed'] = creds.keys()
|
|
defer.returnValue((False, ret))
|
|
|
|
@defer.inlineCallbacks
|
|
def check_password_auth(self, authdict):
|
|
if "user" not in authdict or "password" not in authdict:
|
|
raise LoginError(400, "", Codes.MISSING_PARAM)
|
|
|
|
user = authdict["user"]
|
|
password = authdict["password"]
|
|
if not user.startswith('@'):
|
|
user = UserID.create(user, self.hs.hostname).to_string()
|
|
|
|
user_info = yield self.store.get_user_by_id(user_id=user)
|
|
if not user_info:
|
|
logger.warn("Attempted to login as %s but they do not exist", user)
|
|
raise LoginError(403, "", errcode=Codes.FORBIDDEN)
|
|
|
|
stored_hash = user_info[0]["password_hash"]
|
|
if bcrypt.checkpw(password, stored_hash):
|
|
defer.returnValue(user)
|
|
else:
|
|
logger.warn("Failed password login for user %s", user)
|
|
raise LoginError(403, "", errcode=Codes.FORBIDDEN)
|
|
|
|
|
|
def auth_dict_for_flows(flows):
|
|
return {
|
|
"flows": {"stages": f for f in flows}
|
|
}
|