From 2c7866d6643f4fd3bbffa9905ede6c36983ef29c Mon Sep 17 00:00:00 2001 From: David Baker Date: Wed, 23 May 2018 14:38:56 +0100 Subject: [PATCH] Hit the 3pid unbind endpoint on deactivation --- synapse/handlers/deactivate_account.py | 22 +++++++++++++++- synapse/handlers/identity.py | 35 ++++++++++++++++++++++++++ synapse/http/matrixfederationclient.py | 9 +++++-- synapse/storage/registration.py | 9 ------- 4 files changed, 63 insertions(+), 12 deletions(-) diff --git a/synapse/handlers/deactivate_account.py b/synapse/handlers/deactivate_account.py index d58ea6c65..0277f80b7 100644 --- a/synapse/handlers/deactivate_account.py +++ b/synapse/handlers/deactivate_account.py @@ -17,6 +17,7 @@ from twisted.internet import defer, reactor from ._base import BaseHandler from synapse.types import UserID, create_requester from synapse.util.logcontext import run_in_background +from synapse.api.errors import SynapseError import logging @@ -30,6 +31,7 @@ class DeactivateAccountHandler(BaseHandler): self._auth_handler = hs.get_auth_handler() self._device_handler = hs.get_device_handler() self._room_member_handler = hs.get_room_member_handler() + self._identity_handler = hs.get_handlers().identity_handler # Flag that indicates whether the process to part users from rooms is running self._user_parter_running = False @@ -51,6 +53,25 @@ class DeactivateAccountHandler(BaseHandler): # FIXME: Theoretically there is a race here wherein user resets # password using threepid. + # delete threepids first. We remove these from the IS so if this fails, + # leave the user still active so they can try again. + # Ideally we would prevent password resets and then do this in the + # background thread. + threepids = yield self.store.user_get_threepids(user_id) + for threepid in threepids: + try: + yield self._identity_handler.unbind_threepid(user_id, + { + 'medium': threepid['medium'], + 'address': threepid['address'], + }, + ) + except: + # Do we want this to be a fatal error or should we carry on? + logger.exception("Failed to remove threepid from ID server") + raise SynapseError(400, "Failed to remove threepid from ID server") + yield self.store.user_delete_threepid(user_id, threepid['medium'], threepid['address']) + # first delete any devices belonging to the user, which will also # delete corresponding access tokens. yield self._device_handler.delete_all_devices_for_user(user_id) @@ -58,7 +79,6 @@ class DeactivateAccountHandler(BaseHandler): # a device. yield self._auth_handler.delete_access_tokens_for_user(user_id) - yield self.store.user_delete_threepids(user_id) yield self.store.user_set_password_hash(user_id, None) # Add the user to a table of users pending deactivation (ie. diff --git a/synapse/handlers/identity.py b/synapse/handlers/identity.py index 91a089886..67a89a1d7 100644 --- a/synapse/handlers/identity.py +++ b/synapse/handlers/identity.py @@ -1,6 +1,7 @@ # -*- coding: utf-8 -*- # Copyright 2015, 2016 OpenMarket Ltd # Copyright 2017 Vector Creations Ltd +# Copyright 2018 New Vector Ltd # # Licensed under the Apache License, Version 2.0 (the "License"); # you may not use this file except in compliance with the License. @@ -38,6 +39,7 @@ class IdentityHandler(BaseHandler): super(IdentityHandler, self).__init__(hs) self.http_client = hs.get_simple_http_client() + self.federation_http_client = hs.get_http_client() self.trusted_id_servers = set(hs.config.trusted_third_party_id_servers) self.trust_any_id_server_just_for_testing_do_not_use = ( @@ -138,6 +140,39 @@ class IdentityHandler(BaseHandler): data = json.loads(e.msg) defer.returnValue(data) + @defer.inlineCallbacks + def unbind_threepid(self, mxid, threepid): + yield run_on_reactor() + logger.debug("unbinding threepid %r from %s", threepid, mxid) + if not self.trusted_id_servers: + logger.warn("Can't unbind threepid: no trusted ID servers set in config") + defer.returnValue(False) + id_server = next(iter(self.trusted_id_servers)) + + url = "https://%s/_matrix/identity/api/v1/3pid/unbind" % (id_server,) + content = { + "mxid": mxid, + "threepid": threepid, + } + headers = {} + # we abuse the federation http client to sign the request, but we have to send it + # using the normal http client since we don't want the SRV lookup and want normal + # 'browser-like' HTTPS. + self.federation_http_client.sign_request( + destination=None, + method='POST', + url_bytes='/_matrix/identity/api/v1/3pid/unbind'.encode('ascii'), + headers_dict=headers, + content=content, + destination_is=id_server, + ) + yield self.http_client.post_json_get_json( + url, + content, + headers, + ) + defer.returnValue(True) + @defer.inlineCallbacks def requestEmailToken(self, id_server, email, client_secret, send_attempt, **kwargs): yield run_on_reactor() diff --git a/synapse/http/matrixfederationclient.py b/synapse/http/matrixfederationclient.py index 4b2b85464..21eaf77dc 100644 --- a/synapse/http/matrixfederationclient.py +++ b/synapse/http/matrixfederationclient.py @@ -262,14 +262,19 @@ class MatrixFederationHttpClient(object): defer.returnValue(response) def sign_request(self, destination, method, url_bytes, headers_dict, - content=None): + content=None, destination_is=None): request = { "method": method, "uri": url_bytes, "origin": self.server_name, - "destination": destination, } + if destination is not None: + request["destination"] = destination + + if destination_is is not None: + request["destination_is"] = destination_is + if content is not None: request["content"] = content diff --git a/synapse/storage/registration.py b/synapse/storage/registration.py index a530e29f4..5d8a850ac 100644 --- a/synapse/storage/registration.py +++ b/synapse/storage/registration.py @@ -452,15 +452,6 @@ class RegistrationStore(RegistrationWorkerStore, defer.returnValue(ret['user_id']) defer.returnValue(None) - def user_delete_threepids(self, user_id): - return self._simple_delete( - "user_threepids", - keyvalues={ - "user_id": user_id, - }, - desc="user_delete_threepids", - ) - def user_delete_threepid(self, user_id, medium, address): return self._simple_delete( "user_threepids",