diff --git a/synapse/handlers/auth.py b/synapse/handlers/auth.py index 080eb14271..2f30f183ce 100644 --- a/synapse/handlers/auth.py +++ b/synapse/handlers/auth.py @@ -649,41 +649,6 @@ class AuthHandler(BaseHandler): except Exception: raise AuthError(403, "Invalid token", errcode=Codes.FORBIDDEN) - @defer.inlineCallbacks - def set_password(self, user_id, newpassword, requester=None): - password_hash = self.hash(newpassword) - - except_access_token_id = requester.access_token_id if requester else None - - try: - yield self.store.user_set_password_hash(user_id, password_hash) - except StoreError as e: - if e.code == 404: - raise SynapseError(404, "Unknown user", Codes.NOT_FOUND) - raise e - yield self.delete_access_tokens_for_user( - user_id, except_token_id=except_access_token_id, - ) - yield self.hs.get_pusherpool().remove_pushers_by_user( - user_id, except_access_token_id - ) - - @defer.inlineCallbacks - def deactivate_account(self, user_id): - """Deactivate a user's account - - Args: - user_id (str): ID of user to be deactivated - - Returns: - Deferred - """ - # FIXME: Theoretically there is a race here wherein user resets - # password using threepid. - yield self.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) - @defer.inlineCallbacks def delete_access_token(self, access_token): """Invalidate a single access token @@ -706,6 +671,12 @@ class AuthHandler(BaseHandler): access_token=access_token, ) + # delete pushers associated with this access token + if user_info["token_id"] is not None: + yield self.hs.get_pusherpool().remove_pushers_by_access_token( + str(user_info["user"]), (user_info["token_id"], ) + ) + @defer.inlineCallbacks def delete_access_tokens_for_user(self, user_id, except_token_id=None, device_id=None): @@ -728,13 +699,18 @@ class AuthHandler(BaseHandler): # see if any of our auth providers want to know about this for provider in self.password_providers: if hasattr(provider, "on_logged_out"): - for token, device_id in tokens_and_devices: + for token, token_id, device_id in tokens_and_devices: yield provider.on_logged_out( user_id=user_id, device_id=device_id, access_token=token, ) + # delete pushers associated with the access tokens + yield self.hs.get_pusherpool().remove_pushers_by_access_token( + user_id, (token_id for _, token_id, _ in tokens_and_devices), + ) + @defer.inlineCallbacks def add_threepid(self, user_id, medium, address, validated_at): # 'Canonicalise' email addresses down to lower case. diff --git a/synapse/handlers/deactivate_account.py b/synapse/handlers/deactivate_account.py new file mode 100644 index 0000000000..b1d3814909 --- /dev/null +++ b/synapse/handlers/deactivate_account.py @@ -0,0 +1,52 @@ +# -*- coding: utf-8 -*- +# Copyright 2017 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. +# 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 + +import logging + +logger = logging.getLogger(__name__) + + +class DeactivateAccountHandler(BaseHandler): + """Handler which deals with deactivating user accounts.""" + def __init__(self, hs): + super(DeactivateAccountHandler, self).__init__(hs) + self._auth_handler = hs.get_auth_handler() + self._device_handler = hs.get_device_handler() + + @defer.inlineCallbacks + def deactivate_account(self, user_id): + """Deactivate a user's account + + Args: + user_id (str): ID of user to be deactivated + + Returns: + Deferred + """ + # 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 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) diff --git a/synapse/handlers/device.py b/synapse/handlers/device.py index 579d8477ba..2152efc692 100644 --- a/synapse/handlers/device.py +++ b/synapse/handlers/device.py @@ -170,13 +170,31 @@ class DeviceHandler(BaseHandler): yield self.notify_device_update(user_id, [device_id]) + @defer.inlineCallbacks + def delete_all_devices_for_user(self, user_id, except_device_id=None): + """Delete all of the user's devices + + Args: + user_id (str): + except_device_id (str|None): optional device id which should not + be deleted + + Returns: + defer.Deferred: + """ + device_map = yield self.store.get_devices_by_user(user_id) + device_ids = device_map.keys() + if except_device_id is not None: + device_ids = [d for d in device_ids if d != except_device_id] + yield self.delete_devices(user_id, device_ids) + @defer.inlineCallbacks def delete_devices(self, user_id, device_ids): """ Delete several devices Args: user_id (str): - device_ids (str): The list of device IDs to delete + device_ids (List[str]): The list of device IDs to delete Returns: defer.Deferred: diff --git a/synapse/handlers/set_password.py b/synapse/handlers/set_password.py new file mode 100644 index 0000000000..44414e1dc1 --- /dev/null +++ b/synapse/handlers/set_password.py @@ -0,0 +1,56 @@ +# -*- coding: utf-8 -*- +# Copyright 2017 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. +# 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. +import logging + +from twisted.internet import defer + +from synapse.api.errors import Codes, StoreError, SynapseError +from ._base import BaseHandler + +logger = logging.getLogger(__name__) + + +class SetPasswordHandler(BaseHandler): + """Handler which deals with changing user account passwords""" + def __init__(self, hs): + super(SetPasswordHandler, self).__init__(hs) + self._auth_handler = hs.get_auth_handler() + self._device_handler = hs.get_device_handler() + + @defer.inlineCallbacks + def set_password(self, user_id, newpassword, requester=None): + password_hash = self._auth_handler.hash(newpassword) + + except_device_id = requester.device_id if requester else None + except_access_token_id = requester.access_token_id if requester else None + + try: + yield self.store.user_set_password_hash(user_id, password_hash) + except StoreError as e: + if e.code == 404: + raise SynapseError(404, "Unknown user", Codes.NOT_FOUND) + raise e + + # we want to log out all of the user's other sessions. First delete + # all his other devices. + yield self._device_handler.delete_all_devices_for_user( + user_id, except_device_id=except_device_id, + ) + + # and now delete any access tokens which weren't associated with + # devices (or were associated with this device). + yield self._auth_handler.delete_access_tokens_for_user( + user_id, except_token_id=except_access_token_id, + ) diff --git a/synapse/module_api/__init__.py b/synapse/module_api/__init__.py index dc680ddf43..097c844d31 100644 --- a/synapse/module_api/__init__.py +++ b/synapse/module_api/__init__.py @@ -12,6 +12,7 @@ # 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 synapse.types import UserID @@ -81,6 +82,7 @@ class ModuleApi(object): reg = self.hs.get_handlers().registration_handler return reg.register(localpart=localpart) + @defer.inlineCallbacks def invalidate_access_token(self, access_token): """Invalidate an access token for a user @@ -94,8 +96,16 @@ class ModuleApi(object): Raises: synapse.api.errors.AuthError: the access token is invalid """ - - return self._auth_handler.delete_access_token(access_token) + # see if the access token corresponds to a device + user_info = yield self._auth.get_user_by_access_token(access_token) + device_id = user_info.get("device_id") + user_id = user_info["user"].to_string() + if device_id: + # delete the device, which will also delete its access tokens + yield self.hs.get_device_handler().delete_device(user_id, device_id) + else: + # no associated device. Just delete the access token. + yield self._auth_handler.delete_access_token(access_token) def run_db_interaction(self, desc, func, *args, **kwargs): """Run a function with a database connection diff --git a/synapse/push/pusherpool.py b/synapse/push/pusherpool.py index 34cb108dcb..134e89b371 100644 --- a/synapse/push/pusherpool.py +++ b/synapse/push/pusherpool.py @@ -103,19 +103,25 @@ class PusherPool: yield self.remove_pusher(p['app_id'], p['pushkey'], p['user_name']) @defer.inlineCallbacks - def remove_pushers_by_user(self, user_id, except_access_token_id=None): - all = yield self.store.get_all_pushers() - logger.info( - "Removing all pushers for user %s except access tokens id %r", - user_id, except_access_token_id - ) - for p in all: - if p['user_name'] == user_id and p['access_token'] != except_access_token_id: + def remove_pushers_by_access_token(self, user_id, access_tokens): + """Remove the pushers for a given user corresponding to a set of + access_tokens. + + Args: + user_id (str): user to remove pushers for + access_tokens (Iterable[int]): access token *ids* to remove pushers + for + """ + tokens = set(access_tokens) + for p in (yield self.store.get_pushers_by_user_id(user_id)): + if p['access_token'] in tokens: logger.info( "Removing pusher for app id %s, pushkey %s, user %s", p['app_id'], p['pushkey'], p['user_name'] ) - yield self.remove_pusher(p['app_id'], p['pushkey'], p['user_name']) + yield self.remove_pusher( + p['app_id'], p['pushkey'], p['user_name'], + ) @defer.inlineCallbacks def on_new_notifications(self, min_stream_id, max_stream_id): diff --git a/synapse/rest/client/v1/admin.py b/synapse/rest/client/v1/admin.py index 1197158fdc..5022808ea9 100644 --- a/synapse/rest/client/v1/admin.py +++ b/synapse/rest/client/v1/admin.py @@ -137,8 +137,8 @@ class DeactivateAccountRestServlet(ClientV1RestServlet): PATTERNS = client_path_patterns("/admin/deactivate/(?P[^/]*)") def __init__(self, hs): - self._auth_handler = hs.get_auth_handler() super(DeactivateAccountRestServlet, self).__init__(hs) + self._deactivate_account_handler = hs.get_deactivate_account_handler() @defer.inlineCallbacks def on_POST(self, request, target_user_id): @@ -149,7 +149,7 @@ class DeactivateAccountRestServlet(ClientV1RestServlet): if not is_admin: raise AuthError(403, "You are not a server admin") - yield self._auth_handler.deactivate_account(target_user_id) + yield self._deactivate_account_handler.deactivate_account(target_user_id) defer.returnValue((200, {})) @@ -309,7 +309,7 @@ class ResetPasswordRestServlet(ClientV1RestServlet): super(ResetPasswordRestServlet, self).__init__(hs) self.hs = hs self.auth = hs.get_auth() - self.auth_handler = hs.get_auth_handler() + self._set_password_handler = hs.get_set_password_handler() @defer.inlineCallbacks def on_POST(self, request, target_user_id): @@ -330,7 +330,7 @@ class ResetPasswordRestServlet(ClientV1RestServlet): logger.info("new_password: %r", new_password) - yield self.auth_handler.set_password( + yield self._set_password_handler.set_password( target_user_id, new_password, requester ) defer.returnValue((200, {})) diff --git a/synapse/rest/client/v1/logout.py b/synapse/rest/client/v1/logout.py index 6add754782..ca49955935 100644 --- a/synapse/rest/client/v1/logout.py +++ b/synapse/rest/client/v1/logout.py @@ -16,6 +16,7 @@ from twisted.internet import defer from synapse.api.auth import get_access_token_from_request +from synapse.api.errors import AuthError from .base import ClientV1RestServlet, client_path_patterns @@ -30,15 +31,30 @@ class LogoutRestServlet(ClientV1RestServlet): def __init__(self, hs): super(LogoutRestServlet, self).__init__(hs) + self._auth = hs.get_auth() self._auth_handler = hs.get_auth_handler() + self._device_handler = hs.get_device_handler() def on_OPTIONS(self, request): return (200, {}) @defer.inlineCallbacks def on_POST(self, request): - access_token = get_access_token_from_request(request) - yield self._auth_handler.delete_access_token(access_token) + try: + requester = yield self.auth.get_user_by_req(request) + except AuthError: + # this implies the access token has already been deleted. + pass + else: + if requester.device_id is None: + # the acccess token wasn't associated with a device. + # Just delete the access token + access_token = get_access_token_from_request(request) + yield self._auth_handler.delete_access_token(access_token) + else: + yield self._device_handler.delete_device( + requester.user.to_string(), requester.device_id) + defer.returnValue((200, {})) @@ -49,6 +65,7 @@ class LogoutAllRestServlet(ClientV1RestServlet): super(LogoutAllRestServlet, self).__init__(hs) self.auth = hs.get_auth() self._auth_handler = hs.get_auth_handler() + self._device_handler = hs.get_device_handler() def on_OPTIONS(self, request): return (200, {}) @@ -57,6 +74,12 @@ class LogoutAllRestServlet(ClientV1RestServlet): def on_POST(self, request): requester = yield self.auth.get_user_by_req(request) user_id = requester.user.to_string() + + # first delete all of the user's devices + yield self._device_handler.delete_all_devices_for_user(user_id) + + # .. and then delete any access tokens which weren't associated with + # devices. yield self._auth_handler.delete_access_tokens_for_user(user_id) defer.returnValue((200, {})) diff --git a/synapse/rest/client/v2_alpha/account.py b/synapse/rest/client/v2_alpha/account.py index 726e0a2826..c26ce63bcf 100644 --- a/synapse/rest/client/v2_alpha/account.py +++ b/synapse/rest/client/v2_alpha/account.py @@ -98,6 +98,7 @@ class PasswordRestServlet(RestServlet): self.auth = hs.get_auth() self.auth_handler = hs.get_auth_handler() self.datastore = self.hs.get_datastore() + self._set_password_handler = hs.get_set_password_handler() @defer.inlineCallbacks def on_POST(self, request): @@ -147,7 +148,7 @@ class PasswordRestServlet(RestServlet): raise SynapseError(400, "", Codes.MISSING_PARAM) new_password = params['new_password'] - yield self.auth_handler.set_password( + yield self._set_password_handler.set_password( user_id, new_password, requester ) @@ -161,10 +162,11 @@ class DeactivateAccountRestServlet(RestServlet): PATTERNS = client_v2_patterns("/account/deactivate$") def __init__(self, hs): + super(DeactivateAccountRestServlet, self).__init__() self.hs = hs self.auth = hs.get_auth() self.auth_handler = hs.get_auth_handler() - super(DeactivateAccountRestServlet, self).__init__() + self._deactivate_account_handler = hs.get_deactivate_account_handler() @defer.inlineCallbacks def on_POST(self, request): @@ -179,7 +181,7 @@ class DeactivateAccountRestServlet(RestServlet): # allow ASes to dectivate their own users if requester and requester.app_service: - yield self.auth_handler.deactivate_account( + yield self._deactivate_account_handler.deactivate_account( requester.user.to_string() ) defer.returnValue((200, {})) @@ -206,7 +208,7 @@ class DeactivateAccountRestServlet(RestServlet): logger.error("Auth succeeded but no known type!", result.keys()) raise SynapseError(500, "", Codes.UNKNOWN) - yield self.auth_handler.deactivate_account(user_id) + yield self._deactivate_account_handler.deactivate_account(user_id) defer.returnValue((200, {})) diff --git a/synapse/server.py b/synapse/server.py index 853f4647b7..18c72d21a8 100644 --- a/synapse/server.py +++ b/synapse/server.py @@ -39,11 +39,13 @@ from synapse.federation.transaction_queue import TransactionQueue from synapse.handlers import Handlers from synapse.handlers.appservice import ApplicationServicesHandler from synapse.handlers.auth import AuthHandler, MacaroonGeneartor +from synapse.handlers.deactivate_account import DeactivateAccountHandler from synapse.handlers.devicemessage import DeviceMessageHandler from synapse.handlers.device import DeviceHandler from synapse.handlers.e2e_keys import E2eKeysHandler from synapse.handlers.presence import PresenceHandler from synapse.handlers.room_list import RoomListHandler +from synapse.handlers.set_password import SetPasswordHandler from synapse.handlers.sync import SyncHandler from synapse.handlers.typing import TypingHandler from synapse.handlers.events import EventHandler, EventStreamHandler @@ -115,6 +117,8 @@ class HomeServer(object): 'application_service_handler', 'device_message_handler', 'profile_handler', + 'deactivate_account_handler', + 'set_password_handler', 'notifier', 'event_sources', 'keyring', @@ -268,6 +272,12 @@ class HomeServer(object): def build_profile_handler(self): return ProfileHandler(self) + def build_deactivate_account_handler(self): + return DeactivateAccountHandler(self) + + def build_set_password_handler(self): + return SetPasswordHandler(self) + def build_event_sources(self): return EventSources(self) diff --git a/synapse/server.pyi b/synapse/server.pyi index 3064a497eb..41416ef252 100644 --- a/synapse/server.pyi +++ b/synapse/server.pyi @@ -3,11 +3,14 @@ import synapse.federation.transaction_queue import synapse.federation.transport.client import synapse.handlers import synapse.handlers.auth +import synapse.handlers.deactivate_account import synapse.handlers.device import synapse.handlers.e2e_keys +import synapse.handlers.set_password import synapse.rest.media.v1.media_repository -import synapse.storage import synapse.state +import synapse.storage + class HomeServer(object): def get_auth(self) -> synapse.api.auth.Auth: @@ -31,6 +34,12 @@ class HomeServer(object): def get_state_handler(self) -> synapse.state.StateHandler: pass + def get_deactivate_account_handler(self) -> synapse.handlers.deactivate_account.DeactivateAccountHandler: + pass + + def get_set_password_handler(self) -> synapse.handlers.set_password.SetPasswordHandler: + pass + def get_federation_sender(self) -> synapse.federation.transaction_queue.TransactionQueue: pass diff --git a/synapse/storage/registration.py b/synapse/storage/registration.py index 8b9544c209..3aa810981f 100644 --- a/synapse/storage/registration.py +++ b/synapse/storage/registration.py @@ -254,8 +254,8 @@ class RegistrationStore(background_updates.BackgroundUpdateStore): If None, tokens associated with any device (or no device) will be deleted Returns: - defer.Deferred[list[str, str|None]]: a list of the deleted tokens - and device IDs + defer.Deferred[list[str, int, str|None, int]]: a list of + (token, token id, device id) for each of the deleted tokens """ def f(txn): keyvalues = { @@ -272,12 +272,12 @@ class RegistrationStore(background_updates.BackgroundUpdateStore): values.append(except_token_id) txn.execute( - "SELECT token, device_id FROM access_tokens WHERE %s" % where_clause, + "SELECT token, id, device_id FROM access_tokens WHERE %s" % where_clause, values ) - tokens_and_devices = [(r[0], r[1]) for r in txn] + tokens_and_devices = [(r[0], r[1], r[2]) for r in txn] - for token, _ in tokens_and_devices: + for token, _, _ in tokens_and_devices: self._invalidate_cache_and_stream( txn, self.get_user_by_access_token, (token,) )