anonymousland-synapse/synapse/handlers/identity.py
David Baker a90a0f5c8a Propagate errors sensibly from proxied IS requests
When we're proxying Matrix endpoints, parse out Matrix error
responses and turn them into SynapseErrors so they can be
propagated sensibly upstream.
2017-04-21 11:32:48 +01:00

199 lines
6.4 KiB
Python

# -*- coding: utf-8 -*-
# Copyright 2015, 2016 OpenMarket Ltd
# Copyright 2017 Vector Creations 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.
"""Utilities for interacting with Identity Servers"""
from twisted.internet import defer
from synapse.api.errors import (
CodeMessageException
)
from ._base import BaseHandler
from synapse.util.async import run_on_reactor
from synapse.api.errors import SynapseError, Codes
import json
import logging
logger = logging.getLogger(__name__)
class IdentityHandler(BaseHandler):
def __init__(self, hs):
super(IdentityHandler, self).__init__(hs)
self.proxy_client = hs.get_matrix_proxy_client()
self.trusted_id_servers = set(hs.config.trusted_third_party_id_servers)
self.trust_any_id_server_just_for_testing_do_not_use = (
hs.config.use_insecure_ssl_client_just_for_testing_do_not_use
)
def _should_trust_id_server(self, id_server):
if id_server not in self.trusted_id_servers:
if self.trust_any_id_server_just_for_testing_do_not_use:
logger.warn(
"Trusting untrustworthy ID server %r even though it isn't"
" in the trusted id list for testing because"
" 'use_insecure_ssl_client_just_for_testing_do_not_use'"
" is set in the config",
id_server,
)
else:
return False
return True
@defer.inlineCallbacks
def threepid_from_creds(self, creds):
yield run_on_reactor()
if 'id_server' in creds:
id_server = creds['id_server']
elif 'idServer' in creds:
id_server = creds['idServer']
else:
raise SynapseError(400, "No id_server in creds")
if 'client_secret' in creds:
client_secret = creds['client_secret']
elif 'clientSecret' in creds:
client_secret = creds['clientSecret']
else:
raise SynapseError(400, "No client_secret in creds")
if not self._should_trust_id_server(id_server):
logger.warn(
'%s is not a trusted ID server: rejecting 3pid ' +
'credentials', id_server
)
defer.returnValue(None)
data = {}
try:
data = yield self.proxy_client.get_json(
"https://%s%s" % (
id_server,
"/_matrix/identity/api/v1/3pid/getValidated3pid"
),
{'sid': creds['sid'], 'client_secret': client_secret}
)
except CodeMessageException as e:
data = json.loads(e.msg)
if 'medium' in data:
defer.returnValue(data)
defer.returnValue(None)
@defer.inlineCallbacks
def bind_threepid(self, creds, mxid):
yield run_on_reactor()
logger.debug("binding threepid %r to %s", creds, mxid)
data = None
if 'id_server' in creds:
id_server = creds['id_server']
elif 'idServer' in creds:
id_server = creds['idServer']
else:
raise SynapseError(400, "No id_server in creds")
if 'client_secret' in creds:
client_secret = creds['client_secret']
elif 'clientSecret' in creds:
client_secret = creds['clientSecret']
else:
raise SynapseError(400, "No client_secret in creds")
try:
data = yield self.proxy_client.post_urlencoded_get_json(
"https://%s%s" % (
id_server, "/_matrix/identity/api/v1/3pid/bind"
),
{
'sid': creds['sid'],
'client_secret': client_secret,
'mxid': mxid,
}
)
logger.debug("bound threepid %r to %s", creds, mxid)
except CodeMessageException as e:
data = json.loads(e.msg)
defer.returnValue(data)
@defer.inlineCallbacks
def requestEmailToken(self, id_server, email, client_secret, send_attempt, **kwargs):
yield run_on_reactor()
if not self._should_trust_id_server(id_server):
raise SynapseError(
400, "Untrusted ID server '%s'" % id_server,
Codes.SERVER_NOT_TRUSTED
)
params = {
'email': email,
'client_secret': client_secret,
'send_attempt': send_attempt,
}
params.update(kwargs)
try:
data = yield self.proxy_client.post_json_get_json(
"https://%s%s" % (
id_server,
"/_matrix/identity/api/v1/validate/email/requestToken"
),
params
)
defer.returnValue(data)
except CodeMessageException as e:
logger.info("Proxied requestToken failed: %r", e)
raise e
@defer.inlineCallbacks
def requestMsisdnToken(
self, id_server, country, phone_number,
client_secret, send_attempt, **kwargs
):
yield run_on_reactor()
if not self._should_trust_id_server(id_server):
raise SynapseError(
400, "Untrusted ID server '%s'" % id_server,
Codes.SERVER_NOT_TRUSTED
)
params = {
'country': country,
'phone_number': phone_number,
'client_secret': client_secret,
'send_attempt': send_attempt,
}
params.update(kwargs)
try:
data = yield self.proxy_client.post_json_get_json(
"https://%s%s" % (
id_server,
"/_matrix/identity/api/v1/validate/msisdn/requestToken"
),
params
)
defer.returnValue(data)
except CodeMessageException as e:
logger.info("Proxied requestToken failed: %r", e)
raise e