diff options
| -rw-r--r-- | synapse/handlers/auth.py | 9 | ||||
| -rw-r--r-- | synapse/handlers/deactivate_account.py | 27 | ||||
| -rw-r--r-- | synapse/handlers/identity.py | 48 | ||||
| -rw-r--r-- | synapse/http/matrixfederationclient.py | 25 | ||||
| -rw-r--r-- | synapse/rest/client/v2_alpha/account.py | 13 | ||||
| -rw-r--r-- | synapse/storage/registration.py | 9 |
6 files changed, 115 insertions, 16 deletions
diff --git a/synapse/handlers/auth.py b/synapse/handlers/auth.py index 3c0051586d..912136534d 100644 --- a/synapse/handlers/auth.py +++ b/synapse/handlers/auth.py @@ -825,6 +825,15 @@ class AuthHandler(BaseHandler): if medium == 'email': address = address.lower() + identity_handler = self.hs.get_handlers().identity_handler + yield identity_handler.unbind_threepid( + user_id, + { + 'medium': medium, + 'address': address, + }, + ) + ret = yield self.store.user_delete_threepid( user_id, medium, address, ) diff --git a/synapse/handlers/deactivate_account.py b/synapse/handlers/deactivate_account.py index c5e92f6214..8ec5ba2012 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 self.user_directory_handler = hs.get_user_directory_handler() # Flag that indicates whether the process to part users from rooms is running @@ -52,14 +54,35 @@ class DeactivateAccountHandler(BaseHandler): # FIXME: Theoretically there is a race here wherein user resets # password using threepid. - # first delete any devices belonging to the user, which will also + # 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 Exception: + # 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'], + ) + + # 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) # then delete any remaining access tokens which weren't associated with # 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 91a0898860..529400955d 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 = ( @@ -139,6 +141,52 @@ class IdentityHandler(BaseHandler): defer.returnValue(data) @defer.inlineCallbacks + def unbind_threepid(self, mxid, threepid): + """ + Removes a binding from an identity server + Args: + mxid (str): Matrix user ID of binding to be removed + threepid (dict): Dict with medium & address of binding to be removed + + Returns: + Deferred[bool]: True on success, otherwise False + """ + 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) + + # We don't track what ID server we added 3pids on (perhaps we ought to) + # but we assume that any of the servers in the trusted list are in the + # same ID server federation, so we can pick any one of them to send the + # deletion request to. + 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 821aed362b..993dc06e02 100644 --- a/synapse/http/matrixfederationclient.py +++ b/synapse/http/matrixfederationclient.py @@ -260,14 +260,35 @@ class MatrixFederationHttpClient(object): defer.returnValue(response) def sign_request(self, destination, method, url_bytes, headers_dict, - content=None): + content=None, destination_is=None): + """ + Signs a request by adding an Authorization header to headers_dict + Args: + destination (bytes|None): The desination home server of the request. + May be None if the destination is an identity server, in which case + destination_is must be non-None. + method (bytes): The HTTP method of the request + url_bytes (bytes): The URI path of the request + headers_dict (dict): Dictionary of request headers to append to + content (bytes): The body of the request + destination_is (bytes): As 'destination', but if the destination is an + identity server + + Returns: + 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/rest/client/v2_alpha/account.py b/synapse/rest/client/v2_alpha/account.py index 30523995af..0291fba9e7 100644 --- a/synapse/rest/client/v2_alpha/account.py +++ b/synapse/rest/client/v2_alpha/account.py @@ -381,9 +381,16 @@ class ThreepidDeleteRestServlet(RestServlet): requester = yield self.auth.get_user_by_req(request) user_id = requester.user.to_string() - yield self.auth_handler.delete_threepid( - user_id, body['medium'], body['address'] - ) + try: + yield self.auth_handler.delete_threepid( + user_id, body['medium'], body['address'] + ) + except Exception: + # NB. This endpoint should succeed if there is nothing to + # delete, so it should only throw if something is wrong + # that we ought to care about. + logger.exception("Failed to remove threepid") + raise SynapseError(500, "Failed to remove threepid") defer.returnValue((200, {})) diff --git a/synapse/storage/registration.py b/synapse/storage/registration.py index c241167fbe..9c9cf46e7f 100644 --- a/synapse/storage/registration.py +++ b/synapse/storage/registration.py @@ -460,15 +460,6 @@ 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", |