From 3dd175b628bab5638165f20de9eade36a4e88147 Mon Sep 17 00:00:00 2001 From: Quentin Gliech Date: Mon, 22 Aug 2022 15:17:59 +0200 Subject: [PATCH] `synapse.api.auth.Auth` cleanup: make permission-related methods use `Requester` instead of the `UserID` (#13024) Part of #13019 This changes all the permission-related methods to rely on the Requester instead of the UserID. This is a first step towards enabling scoped access tokens at some point, since I expect the Requester to have scope-related informations in it. It also changes methods which figure out the user/device/appservice out of the access token to return a Requester instead of something else. This avoids having store-related objects in the methods signatures. --- changelog.d/13024.misc | 1 + synapse/api/auth.py | 200 ++++++++---------- synapse/handlers/auth.py | 17 +- synapse/handlers/directory.py | 24 +-- synapse/handlers/initial_sync.py | 6 +- synapse/handlers/message.py | 23 +- synapse/handlers/pagination.py | 2 +- synapse/handlers/register.py | 15 +- synapse/handlers/relations.py | 2 +- synapse/handlers/room.py | 4 +- synapse/handlers/room_member.py | 10 +- synapse/handlers/typing.py | 10 +- synapse/http/site.py | 2 +- synapse/rest/admin/_base.py | 10 +- synapse/rest/admin/media.py | 6 +- synapse/rest/admin/rooms.py | 12 +- synapse/rest/admin/users.py | 15 +- synapse/rest/client/profile.py | 4 +- synapse/rest/client/register.py | 3 - synapse/rest/client/room.py | 13 +- .../server_notices/server_notices_manager.py | 2 +- .../storage/databases/main/registration.py | 2 +- tests/api/test_auth.py | 8 +- tests/handlers/test_typing.py | 8 +- tests/rest/client/test_retention.py | 4 +- tests/rest/client/test_shadow_banned.py | 6 +- 26 files changed, 202 insertions(+), 207 deletions(-) create mode 100644 changelog.d/13024.misc diff --git a/changelog.d/13024.misc b/changelog.d/13024.misc new file mode 100644 index 0000000000..aa43c82429 --- /dev/null +++ b/changelog.d/13024.misc @@ -0,0 +1 @@ +Refactor methods in `synapse.api.auth.Auth` to use `Requester` objects everywhere instead of user IDs. diff --git a/synapse/api/auth.py b/synapse/api/auth.py index 523bad0c55..9a1aea083f 100644 --- a/synapse/api/auth.py +++ b/synapse/api/auth.py @@ -37,8 +37,7 @@ from synapse.logging.opentracing import ( start_active_span, trace, ) -from synapse.storage.databases.main.registration import TokenLookupResult -from synapse.types import Requester, UserID, create_requester +from synapse.types import Requester, create_requester if TYPE_CHECKING: from synapse.server import HomeServer @@ -70,14 +69,14 @@ class Auth: async def check_user_in_room( self, room_id: str, - user_id: str, + requester: Requester, allow_departed_users: bool = False, ) -> Tuple[str, Optional[str]]: """Check if the user is in the room, or was at some point. Args: room_id: The room to check. - user_id: The user to check. + requester: The user making the request, according to the access token. current_state: Optional map of the current state of the room. If provided then that map is used to check whether they are a @@ -94,6 +93,7 @@ class Auth: membership event ID of the user. """ + user_id = requester.user.to_string() ( membership, member_event_id, @@ -182,96 +182,69 @@ class Auth: access_token = self.get_access_token_from_request(request) - ( - user_id, - device_id, - app_service, - ) = await self._get_appservice_user_id_and_device_id(request) - if user_id and app_service: - if ip_addr and self._track_appservice_user_ips: - await self.store.insert_client_ip( - user_id=user_id, - access_token=access_token, - ip=ip_addr, - user_agent=user_agent, - device_id="dummy-device" - if device_id is None - else device_id, # stubbed - ) - - requester = create_requester( - user_id, app_service=app_service, device_id=device_id + # First check if it could be a request from an appservice + requester = await self._get_appservice_user(request) + if not requester: + # If not, it should be from a regular user + requester = await self.get_user_by_access_token( + access_token, allow_expired=allow_expired ) - request.requester = user_id - return requester + # Deny the request if the user account has expired. + # This check is only done for regular users, not appservice ones. + if not allow_expired: + if await self._account_validity_handler.is_user_expired( + requester.user.to_string() + ): + # Raise the error if either an account validity module has determined + # the account has expired, or the legacy account validity + # implementation is enabled and determined the account has expired + raise AuthError( + 403, + "User account has expired", + errcode=Codes.EXPIRED_ACCOUNT, + ) - user_info = await self.get_user_by_access_token( - access_token, allow_expired=allow_expired - ) - token_id = user_info.token_id - is_guest = user_info.is_guest - shadow_banned = user_info.shadow_banned - - # Deny the request if the user account has expired. - if not allow_expired: - if await self._account_validity_handler.is_user_expired( - user_info.user_id - ): - # Raise the error if either an account validity module has determined - # the account has expired, or the legacy account validity - # implementation is enabled and determined the account has expired - raise AuthError( - 403, - "User account has expired", - errcode=Codes.EXPIRED_ACCOUNT, - ) - - device_id = user_info.device_id - - if access_token and ip_addr: + if ip_addr and ( + not requester.app_service or self._track_appservice_user_ips + ): + # XXX(quenting): I'm 95% confident that we could skip setting the + # device_id to "dummy-device" for appservices, and that the only impact + # would be some rows which whould not deduplicate in the 'user_ips' + # table during the transition + recorded_device_id = ( + "dummy-device" + if requester.device_id is None and requester.app_service is not None + else requester.device_id + ) await self.store.insert_client_ip( - user_id=user_info.token_owner, + user_id=requester.authenticated_entity, access_token=access_token, ip=ip_addr, user_agent=user_agent, - device_id=device_id, + device_id=recorded_device_id, ) + # Track also the puppeted user client IP if enabled and the user is puppeting if ( - user_info.user_id != user_info.token_owner + requester.user.to_string() != requester.authenticated_entity and self._track_puppeted_user_ips ): await self.store.insert_client_ip( - user_id=user_info.user_id, + user_id=requester.user.to_string(), access_token=access_token, ip=ip_addr, user_agent=user_agent, - device_id=device_id, + device_id=requester.device_id, ) - if is_guest and not allow_guest: + if requester.is_guest and not allow_guest: raise AuthError( 403, "Guest access not allowed", errcode=Codes.GUEST_ACCESS_FORBIDDEN, ) - # Mark the token as used. This is used to invalidate old refresh - # tokens after some time. - if not user_info.token_used and token_id is not None: - await self.store.mark_access_token_as_used(token_id) - - requester = create_requester( - user_info.user_id, - token_id, - is_guest, - shadow_banned, - device_id, - app_service=app_service, - authenticated_entity=user_info.token_owner, - ) - request.requester = requester return requester except KeyError: @@ -308,9 +281,7 @@ class Auth: 403, "Application service has not registered this user (%s)" % user_id ) - async def _get_appservice_user_id_and_device_id( - self, request: Request - ) -> Tuple[Optional[str], Optional[str], Optional[ApplicationService]]: + async def _get_appservice_user(self, request: Request) -> Optional[Requester]: """ Given a request, reads the request parameters to determine: - whether it's an application service that's making this request @@ -325,15 +296,13 @@ class Auth: Must use `org.matrix.msc3202.device_id` in place of `device_id` for now. Returns: - 3-tuple of - (user ID?, device ID?, application service?) + the application service `Requester` of that request Postconditions: - - If an application service is returned, so is a user ID - - A user ID is never returned without an application service - - A device ID is never returned without a user ID or an application service - - The returned application service, if present, is permitted to control the - returned user ID. + - The `app_service` field in the returned `Requester` is set + - The `user_id` field in the returned `Requester` is either the application + service sender or the controlled user set by the `user_id` URI parameter + - The returned application service is permitted to control the returned user ID. - The returned device ID, if present, has been checked to be a valid device ID for the returned user ID. """ @@ -343,12 +312,12 @@ class Auth: self.get_access_token_from_request(request) ) if app_service is None: - return None, None, None + return None if app_service.ip_range_whitelist: ip_address = IPAddress(request.getClientAddress().host) if ip_address not in app_service.ip_range_whitelist: - return None, None, None + return None # This will always be set by the time Twisted calls us. assert request.args is not None @@ -382,13 +351,15 @@ class Auth: Codes.EXCLUSIVE, ) - return effective_user_id, effective_device_id, app_service + return create_requester( + effective_user_id, app_service=app_service, device_id=effective_device_id + ) async def get_user_by_access_token( self, token: str, allow_expired: bool = False, - ) -> TokenLookupResult: + ) -> Requester: """Validate access token and get user_id from it Args: @@ -405,9 +376,9 @@ class Auth: # First look in the database to see if the access token is present # as an opaque token. - r = await self.store.get_user_by_access_token(token) - if r: - valid_until_ms = r.valid_until_ms + user_info = await self.store.get_user_by_access_token(token) + if user_info: + valid_until_ms = user_info.valid_until_ms if ( not allow_expired and valid_until_ms is not None @@ -419,7 +390,20 @@ class Auth: msg="Access token has expired", soft_logout=True ) - return r + # Mark the token as used. This is used to invalidate old refresh + # tokens after some time. + await self.store.mark_access_token_as_used(user_info.token_id) + + requester = create_requester( + user_id=user_info.user_id, + access_token_id=user_info.token_id, + is_guest=user_info.is_guest, + shadow_banned=user_info.shadow_banned, + device_id=user_info.device_id, + authenticated_entity=user_info.token_owner, + ) + + return requester # If the token isn't found in the database, then it could still be a # macaroon for a guest, so we check that here. @@ -445,11 +429,12 @@ class Auth: "Guest access token used for regular user" ) - return TokenLookupResult( + return create_requester( user_id=user_id, is_guest=True, # all guests get the same device id device_id=GUEST_DEVICE_ID, + authenticated_entity=user_id, ) except ( pymacaroons.exceptions.MacaroonException, @@ -472,32 +457,33 @@ class Auth: request.requester = create_requester(service.sender, app_service=service) return service - async def is_server_admin(self, user: UserID) -> bool: + async def is_server_admin(self, requester: Requester) -> bool: """Check if the given user is a local server admin. Args: - user: user to check + requester: The user making the request, according to the access token. Returns: True if the user is an admin """ - return await self.store.is_server_admin(user) + return await self.store.is_server_admin(requester.user) - async def check_can_change_room_list(self, room_id: str, user: UserID) -> bool: + async def check_can_change_room_list( + self, room_id: str, requester: Requester + ) -> bool: """Determine whether the user is allowed to edit the room's entry in the published room list. Args: - room_id - user + room_id: The room to check. + requester: The user making the request, according to the access token. """ - is_admin = await self.is_server_admin(user) + is_admin = await self.is_server_admin(requester) if is_admin: return True - user_id = user.to_string() - await self.check_user_in_room(room_id, user_id) + await self.check_user_in_room(room_id, requester) # We currently require the user is a "moderator" in the room. We do this # by checking if they would (theoretically) be able to change the @@ -516,7 +502,9 @@ class Auth: send_level = event_auth.get_send_level( EventTypes.CanonicalAlias, "", power_level_event ) - user_level = event_auth.get_user_power_level(user_id, auth_events) + user_level = event_auth.get_user_power_level( + requester.user.to_string(), auth_events + ) return user_level >= send_level @@ -574,16 +562,16 @@ class Auth: @trace async def check_user_in_room_or_world_readable( - self, room_id: str, user_id: str, allow_departed_users: bool = False + self, room_id: str, requester: Requester, allow_departed_users: bool = False ) -> Tuple[str, Optional[str]]: """Checks that the user is or was in the room or the room is world readable. If it isn't then an exception is raised. Args: - room_id: room to check - user_id: user to check - allow_departed_users: if True, accept users that were previously - members but have now departed + room_id: The room to check. + requester: The user making the request, according to the access token. + allow_departed_users: If True, accept users that were previously + members but have now departed. Returns: Resolves to the current membership of the user in the room and the @@ -598,7 +586,7 @@ class Auth: # * The user is a guest user, and has joined the room # else it will throw. return await self.check_user_in_room( - room_id, user_id, allow_departed_users=allow_departed_users + room_id, requester, allow_departed_users=allow_departed_users ) except AuthError: visibility = await self._storage_controllers.state.get_current_state_event( @@ -613,6 +601,6 @@ class Auth: raise UnstableSpecAuthError( 403, "User %s not in room %s, and room previews are disabled" - % (user_id, room_id), + % (requester.user, room_id), errcode=Codes.NOT_JOINED, ) diff --git a/synapse/handlers/auth.py b/synapse/handlers/auth.py index bfa5535044..0327fc57a4 100644 --- a/synapse/handlers/auth.py +++ b/synapse/handlers/auth.py @@ -280,7 +280,7 @@ class AuthHandler: that it isn't stolen by re-authenticating them. Args: - requester: The user, as given by the access token + requester: The user making the request, according to the access token. request: The request sent by the client. @@ -1435,20 +1435,25 @@ class AuthHandler: access_token: access token to be deleted """ - user_info = await self.auth.get_user_by_access_token(access_token) + token = await self.store.get_user_by_access_token(access_token) + if not token: + # At this point, the token should already have been fetched once by + # the caller, so this should not happen, unless of a race condition + # between two delete requests + raise SynapseError(HTTPStatus.UNAUTHORIZED, "Unrecognised access token") await self.store.delete_access_token(access_token) # see if any modules want to know about this await self.password_auth_provider.on_logged_out( - user_id=user_info.user_id, - device_id=user_info.device_id, + user_id=token.user_id, + device_id=token.device_id, access_token=access_token, ) # delete pushers associated with this access token - if user_info.token_id is not None: + if token.token_id is not None: await self.hs.get_pusherpool().remove_pushers_by_access_token( - user_info.user_id, (user_info.token_id,) + token.user_id, (token.token_id,) ) async def delete_access_tokens_for_user( diff --git a/synapse/handlers/directory.py b/synapse/handlers/directory.py index 09a7a4b238..948f66a94d 100644 --- a/synapse/handlers/directory.py +++ b/synapse/handlers/directory.py @@ -30,7 +30,7 @@ from synapse.api.errors import ( from synapse.appservice import ApplicationService from synapse.module_api import NOT_SPAM from synapse.storage.databases.main.directory import RoomAliasMapping -from synapse.types import JsonDict, Requester, RoomAlias, UserID, get_domain_from_id +from synapse.types import JsonDict, Requester, RoomAlias, get_domain_from_id if TYPE_CHECKING: from synapse.server import HomeServer @@ -133,7 +133,7 @@ class DirectoryHandler: else: # Server admins are not subject to the same constraints as normal # users when creating an alias (e.g. being in the room). - is_admin = await self.auth.is_server_admin(requester.user) + is_admin = await self.auth.is_server_admin(requester) if (self.require_membership and check_membership) and not is_admin: rooms_for_user = await self.store.get_rooms_for_user(user_id) @@ -197,7 +197,7 @@ class DirectoryHandler: user_id = requester.user.to_string() try: - can_delete = await self._user_can_delete_alias(room_alias, user_id) + can_delete = await self._user_can_delete_alias(room_alias, requester) except StoreError as e: if e.code == 404: raise NotFoundError("Unknown room alias") @@ -400,7 +400,9 @@ class DirectoryHandler: # either no interested services, or no service with an exclusive lock return True - async def _user_can_delete_alias(self, alias: RoomAlias, user_id: str) -> bool: + async def _user_can_delete_alias( + self, alias: RoomAlias, requester: Requester + ) -> bool: """Determine whether a user can delete an alias. One of the following must be true: @@ -413,7 +415,7 @@ class DirectoryHandler: """ creator = await self.store.get_room_alias_creator(alias.to_string()) - if creator == user_id: + if creator == requester.user.to_string(): return True # Resolve the alias to the corresponding room. @@ -422,9 +424,7 @@ class DirectoryHandler: if not room_id: return False - return await self.auth.check_can_change_room_list( - room_id, UserID.from_string(user_id) - ) + return await self.auth.check_can_change_room_list(room_id, requester) async def edit_published_room_list( self, requester: Requester, room_id: str, visibility: str @@ -463,7 +463,7 @@ class DirectoryHandler: raise SynapseError(400, "Unknown room") can_change_room_list = await self.auth.check_can_change_room_list( - room_id, requester.user + room_id, requester ) if not can_change_room_list: raise AuthError( @@ -528,10 +528,8 @@ class DirectoryHandler: Get a list of the aliases that currently point to this room on this server """ # allow access to server admins and current members of the room - is_admin = await self.auth.is_server_admin(requester.user) + is_admin = await self.auth.is_server_admin(requester) if not is_admin: - await self.auth.check_user_in_room_or_world_readable( - room_id, requester.user.to_string() - ) + await self.auth.check_user_in_room_or_world_readable(room_id, requester) return await self.store.get_aliases_for_room(room_id) diff --git a/synapse/handlers/initial_sync.py b/synapse/handlers/initial_sync.py index 6484e47e5f..860c82c110 100644 --- a/synapse/handlers/initial_sync.py +++ b/synapse/handlers/initial_sync.py @@ -309,18 +309,18 @@ class InitialSyncHandler: if blocked: raise SynapseError(403, "This room has been blocked on this server") - user_id = requester.user.to_string() - ( membership, member_event_id, ) = await self.auth.check_user_in_room_or_world_readable( room_id, - user_id, + requester, allow_departed_users=True, ) is_peeking = member_event_id is None + user_id = requester.user.to_string() + if membership == Membership.JOIN: result = await self._room_initial_sync_joined( user_id, room_id, pagin_config, membership, is_peeking diff --git a/synapse/handlers/message.py b/synapse/handlers/message.py index 8f29ee9a87..acd3de06f6 100644 --- a/synapse/handlers/message.py +++ b/synapse/handlers/message.py @@ -104,7 +104,7 @@ class MessageHandler: async def get_room_data( self, - user_id: str, + requester: Requester, room_id: str, event_type: str, state_key: str, @@ -112,7 +112,7 @@ class MessageHandler: """Get data from a room. Args: - user_id + requester: The user who did the request. room_id event_type state_key @@ -125,7 +125,7 @@ class MessageHandler: membership, membership_event_id, ) = await self.auth.check_user_in_room_or_world_readable( - room_id, user_id, allow_departed_users=True + room_id, requester, allow_departed_users=True ) if membership == Membership.JOIN: @@ -161,11 +161,10 @@ class MessageHandler: async def get_state_events( self, - user_id: str, + requester: Requester, room_id: str, state_filter: Optional[StateFilter] = None, at_token: Optional[StreamToken] = None, - is_guest: bool = False, ) -> List[dict]: """Retrieve all state events for a given room. If the user is joined to the room then return the current state. If the user has @@ -174,14 +173,13 @@ class MessageHandler: visible. Args: - user_id: The user requesting state events. + requester: The user requesting state events. room_id: The room ID to get all state events from. state_filter: The state filter used to fetch state from the database. at_token: the stream token of the at which we are requesting the stats. If the user is not allowed to view the state as of that stream token, we raise a 403 SynapseError. If None, returns the current state based on the current_state_events table. - is_guest: whether this user is a guest Returns: A list of dicts representing state events. [{}, {}, {}] Raises: @@ -191,6 +189,7 @@ class MessageHandler: members of this room. """ state_filter = state_filter or StateFilter.all() + user_id = requester.user.to_string() if at_token: last_event_id = ( @@ -223,7 +222,7 @@ class MessageHandler: membership, membership_event_id, ) = await self.auth.check_user_in_room_or_world_readable( - room_id, user_id, allow_departed_users=True + room_id, requester, allow_departed_users=True ) if membership == Membership.JOIN: @@ -317,12 +316,11 @@ class MessageHandler: Returns: A dict of user_id to profile info """ - user_id = requester.user.to_string() if not requester.app_service: # We check AS auth after fetching the room membership, as it # requires us to pull out all joined members anyway. membership, _ = await self.auth.check_user_in_room_or_world_readable( - room_id, user_id, allow_departed_users=True + room_id, requester, allow_departed_users=True ) if membership != Membership.JOIN: raise SynapseError( @@ -340,7 +338,10 @@ class MessageHandler: # If this is an AS, double check that they are allowed to see the members. # This can either be because the AS user is in the room or because there # is a user in the room that the AS is "interested in" - if requester.app_service and user_id not in users_with_profile: + if ( + requester.app_service + and requester.user.to_string() not in users_with_profile + ): for uid in users_with_profile: if requester.app_service.is_interested_in_user(uid): break diff --git a/synapse/handlers/pagination.py b/synapse/handlers/pagination.py index e1e34e3b16..74e944bce7 100644 --- a/synapse/handlers/pagination.py +++ b/synapse/handlers/pagination.py @@ -464,7 +464,7 @@ class PaginationHandler: membership, member_event_id, ) = await self.auth.check_user_in_room_or_world_readable( - room_id, user_id, allow_departed_users=True + room_id, requester, allow_departed_users=True ) if pagin_config.direction == "b": diff --git a/synapse/handlers/register.py b/synapse/handlers/register.py index c77d181722..20ec22105a 100644 --- a/synapse/handlers/register.py +++ b/synapse/handlers/register.py @@ -29,7 +29,13 @@ from synapse.api.constants import ( JoinRules, LoginType, ) -from synapse.api.errors import AuthError, Codes, ConsentNotGivenError, SynapseError +from synapse.api.errors import ( + AuthError, + Codes, + ConsentNotGivenError, + InvalidClientTokenError, + SynapseError, +) from synapse.appservice import ApplicationService from synapse.config.server import is_threepid_reserved from synapse.http.servlet import assert_params_in_dict @@ -180,10 +186,7 @@ class RegistrationHandler: ) if guest_access_token: user_data = await self.auth.get_user_by_access_token(guest_access_token) - if ( - not user_data.is_guest - or UserID.from_string(user_data.user_id).localpart != localpart - ): + if not user_data.is_guest or user_data.user.localpart != localpart: raise AuthError( 403, "Cannot register taken user ID without valid guest " @@ -618,7 +621,7 @@ class RegistrationHandler: user_id = user.to_string() service = self.store.get_app_service_by_token(as_token) if not service: - raise AuthError(403, "Invalid application service token.") + raise InvalidClientTokenError() if not service.is_interested_in_user(user_id): raise SynapseError( 400, diff --git a/synapse/handlers/relations.py b/synapse/handlers/relations.py index 72d25df8c8..28d7093f08 100644 --- a/synapse/handlers/relations.py +++ b/synapse/handlers/relations.py @@ -103,7 +103,7 @@ class RelationsHandler: # TODO Properly handle a user leaving a room. (_, member_event_id) = await self._auth.check_user_in_room_or_world_readable( - room_id, user_id, allow_departed_users=True + room_id, requester, allow_departed_users=True ) # This gets the original event and checks that a) the event exists and diff --git a/synapse/handlers/room.py b/synapse/handlers/room.py index 55395457c3..2bf0ebd025 100644 --- a/synapse/handlers/room.py +++ b/synapse/handlers/room.py @@ -721,7 +721,7 @@ class RoomCreationHandler: # allow the server notices mxid to create rooms is_requester_admin = True else: - is_requester_admin = await self.auth.is_server_admin(requester.user) + is_requester_admin = await self.auth.is_server_admin(requester) # Let the third party rules modify the room creation config if needed, or abort # the room creation entirely with an exception. @@ -1279,7 +1279,7 @@ class RoomContextHandler: """ user = requester.user if use_admin_priviledge: - await assert_user_is_admin(self.auth, requester.user) + await assert_user_is_admin(self.auth, requester) before_limit = math.floor(limit / 2.0) after_limit = limit - before_limit diff --git a/synapse/handlers/room_member.py b/synapse/handlers/room_member.py index 70dc69c809..d1909665d6 100644 --- a/synapse/handlers/room_member.py +++ b/synapse/handlers/room_member.py @@ -179,7 +179,7 @@ class RoomMemberHandler(metaclass=abc.ABCMeta): """Try and join a room that this server is not in Args: - requester + requester: The user making the request, according to the access token. remote_room_hosts: List of servers that can be used to join via. room_id: Room that we are trying to join user: User who is trying to join @@ -744,7 +744,7 @@ class RoomMemberHandler(metaclass=abc.ABCMeta): is_requester_admin = True else: - is_requester_admin = await self.auth.is_server_admin(requester.user) + is_requester_admin = await self.auth.is_server_admin(requester) if not is_requester_admin: if self.config.server.block_non_admin_invites: @@ -868,7 +868,7 @@ class RoomMemberHandler(metaclass=abc.ABCMeta): bypass_spam_checker = True else: - bypass_spam_checker = await self.auth.is_server_admin(requester.user) + bypass_spam_checker = await self.auth.is_server_admin(requester) inviter = await self._get_inviter(target.to_string(), room_id) if ( @@ -1410,7 +1410,7 @@ class RoomMemberHandler(metaclass=abc.ABCMeta): ShadowBanError if the requester has been shadow-banned. """ if self.config.server.block_non_admin_invites: - is_requester_admin = await self.auth.is_server_admin(requester.user) + is_requester_admin = await self.auth.is_server_admin(requester) if not is_requester_admin: raise SynapseError( 403, "Invites have been disabled on this server", Codes.FORBIDDEN @@ -1693,7 +1693,7 @@ class RoomMemberMasterHandler(RoomMemberHandler): check_complexity and self.hs.config.server.limit_remote_rooms.admins_can_join ): - check_complexity = not await self.auth.is_server_admin(user) + check_complexity = not await self.store.is_server_admin(user) if check_complexity: # Fetch the room complexity diff --git a/synapse/handlers/typing.py b/synapse/handlers/typing.py index 27aa0d3126..bcac3372a2 100644 --- a/synapse/handlers/typing.py +++ b/synapse/handlers/typing.py @@ -253,12 +253,11 @@ class TypingWriterHandler(FollowerTypingHandler): self, target_user: UserID, requester: Requester, room_id: str, timeout: int ) -> None: target_user_id = target_user.to_string() - auth_user_id = requester.user.to_string() if not self.is_mine_id(target_user_id): raise SynapseError(400, "User is not hosted on this homeserver") - if target_user_id != auth_user_id: + if target_user != requester.user: raise AuthError(400, "Cannot set another user's typing state") if requester.shadow_banned: @@ -266,7 +265,7 @@ class TypingWriterHandler(FollowerTypingHandler): await self.clock.sleep(random.randint(1, 10)) raise ShadowBanError() - await self.auth.check_user_in_room(room_id, target_user_id) + await self.auth.check_user_in_room(room_id, requester) logger.debug("%s has started typing in %s", target_user_id, room_id) @@ -289,12 +288,11 @@ class TypingWriterHandler(FollowerTypingHandler): self, target_user: UserID, requester: Requester, room_id: str ) -> None: target_user_id = target_user.to_string() - auth_user_id = requester.user.to_string() if not self.is_mine_id(target_user_id): raise SynapseError(400, "User is not hosted on this homeserver") - if target_user_id != auth_user_id: + if target_user != requester.user: raise AuthError(400, "Cannot set another user's typing state") if requester.shadow_banned: @@ -302,7 +300,7 @@ class TypingWriterHandler(FollowerTypingHandler): await self.clock.sleep(random.randint(1, 10)) raise ShadowBanError() - await self.auth.check_user_in_room(room_id, target_user_id) + await self.auth.check_user_in_room(room_id, requester) logger.debug("%s has stopped typing in %s", target_user_id, room_id) diff --git a/synapse/http/site.py b/synapse/http/site.py index eeec74b78a..1155f3f610 100644 --- a/synapse/http/site.py +++ b/synapse/http/site.py @@ -226,7 +226,7 @@ class SynapseRequest(Request): # If this is a request where the target user doesn't match the user who # authenticated (e.g. and admin is puppetting a user) then we return both. - if self._requester.user.to_string() != authenticated_entity: + if requester != authenticated_entity: return requester, authenticated_entity return requester, None diff --git a/synapse/rest/admin/_base.py b/synapse/rest/admin/_base.py index 399b205aaf..b467a61dfb 100644 --- a/synapse/rest/admin/_base.py +++ b/synapse/rest/admin/_base.py @@ -19,7 +19,7 @@ from typing import Iterable, Pattern from synapse.api.auth import Auth from synapse.api.errors import AuthError from synapse.http.site import SynapseRequest -from synapse.types import UserID +from synapse.types import Requester def admin_patterns(path_regex: str, version: str = "v1") -> Iterable[Pattern]: @@ -48,19 +48,19 @@ async def assert_requester_is_admin(auth: Auth, request: SynapseRequest) -> None AuthError if the requester is not a server admin """ requester = await auth.get_user_by_req(request) - await assert_user_is_admin(auth, requester.user) + await assert_user_is_admin(auth, requester) -async def assert_user_is_admin(auth: Auth, user_id: UserID) -> None: +async def assert_user_is_admin(auth: Auth, requester: Requester) -> None: """Verify that the given user is an admin user Args: auth: Auth singleton - user_id: user to check + requester: The user making the request, according to the access token. Raises: AuthError if the user is not a server admin """ - is_admin = await auth.is_server_admin(user_id) + is_admin = await auth.is_server_admin(requester) if not is_admin: raise AuthError(HTTPStatus.FORBIDDEN, "You are not a server admin") diff --git a/synapse/rest/admin/media.py b/synapse/rest/admin/media.py index 19d4a008e8..73470f09ae 100644 --- a/synapse/rest/admin/media.py +++ b/synapse/rest/admin/media.py @@ -54,7 +54,7 @@ class QuarantineMediaInRoom(RestServlet): self, request: SynapseRequest, room_id: str ) -> Tuple[int, JsonDict]: requester = await self.auth.get_user_by_req(request) - await assert_user_is_admin(self.auth, requester.user) + await assert_user_is_admin(self.auth, requester) logging.info("Quarantining room: %s", room_id) @@ -81,7 +81,7 @@ class QuarantineMediaByUser(RestServlet): self, request: SynapseRequest, user_id: str ) -> Tuple[int, JsonDict]: requester = await self.auth.get_user_by_req(request) - await assert_user_is_admin(self.auth, requester.user) + await assert_user_is_admin(self.auth, requester) logging.info("Quarantining media by user: %s", user_id) @@ -110,7 +110,7 @@ class QuarantineMediaByID(RestServlet): self, request: SynapseRequest, server_name: str, media_id: str ) -> Tuple[int, JsonDict]: requester = await self.auth.get_user_by_req(request) - await assert_user_is_admin(self.auth, requester.user) + await assert_user_is_admin(self.auth, requester) logging.info("Quarantining media by ID: %s/%s", server_name, media_id) diff --git a/synapse/rest/admin/rooms.py b/synapse/rest/admin/rooms.py index 68054ffc28..3d870629c4 100644 --- a/synapse/rest/admin/rooms.py +++ b/synapse/rest/admin/rooms.py @@ -75,7 +75,7 @@ class RoomRestV2Servlet(RestServlet): ) -> Tuple[int, JsonDict]: requester = await self._auth.get_user_by_req(request) - await assert_user_is_admin(self._auth, requester.user) + await assert_user_is_admin(self._auth, requester) content = parse_json_object_from_request(request) @@ -327,7 +327,7 @@ class RoomRestServlet(RestServlet): pagination_handler: "PaginationHandler", ) -> Tuple[int, JsonDict]: requester = await auth.get_user_by_req(request) - await assert_user_is_admin(auth, requester.user) + await assert_user_is_admin(auth, requester) content = parse_json_object_from_request(request) @@ -461,7 +461,7 @@ class JoinRoomAliasServlet(ResolveRoomIdMixin, RestServlet): assert request.args is not None requester = await self.auth.get_user_by_req(request) - await assert_user_is_admin(self.auth, requester.user) + await assert_user_is_admin(self.auth, requester) content = parse_json_object_from_request(request) @@ -551,7 +551,7 @@ class MakeRoomAdminRestServlet(ResolveRoomIdMixin, RestServlet): self, request: SynapseRequest, room_identifier: str ) -> Tuple[int, JsonDict]: requester = await self.auth.get_user_by_req(request) - await assert_user_is_admin(self.auth, requester.user) + await assert_user_is_admin(self.auth, requester) content = parse_json_object_from_request(request, allow_empty_body=True) room_id, _ = await self.resolve_room_id(room_identifier) @@ -742,7 +742,7 @@ class RoomEventContextServlet(RestServlet): self, request: SynapseRequest, room_id: str, event_id: str ) -> Tuple[int, JsonDict]: requester = await self.auth.get_user_by_req(request, allow_guest=False) - await assert_user_is_admin(self.auth, requester.user) + await assert_user_is_admin(self.auth, requester) limit = parse_integer(request, "limit", default=10) @@ -834,7 +834,7 @@ class BlockRoomRestServlet(RestServlet): self, request: SynapseRequest, room_id: str ) -> Tuple[int, JsonDict]: requester = await self._auth.get_user_by_req(request) - await assert_user_is_admin(self._auth, requester.user) + await assert_user_is_admin(self._auth, requester) content = parse_json_object_from_request(request) diff --git a/synapse/rest/admin/users.py b/synapse/rest/admin/users.py index ba2f7fa6d8..78ee9b6532 100644 --- a/synapse/rest/admin/users.py +++ b/synapse/rest/admin/users.py @@ -183,7 +183,7 @@ class UserRestServletV2(RestServlet): self, request: SynapseRequest, user_id: str ) -> Tuple[int, JsonDict]: requester = await self.auth.get_user_by_req(request) - await assert_user_is_admin(self.auth, requester.user) + await assert_user_is_admin(self.auth, requester) target_user = UserID.from_string(user_id) body = parse_json_object_from_request(request) @@ -575,10 +575,9 @@ class WhoisRestServlet(RestServlet): ) -> Tuple[int, JsonDict]: target_user = UserID.from_string(user_id) requester = await self.auth.get_user_by_req(request) - auth_user = requester.user - if target_user != auth_user: - await assert_user_is_admin(self.auth, auth_user) + if target_user != requester.user: + await assert_user_is_admin(self.auth, requester) if not self.is_mine(target_user): raise SynapseError(HTTPStatus.BAD_REQUEST, "Can only whois a local user") @@ -601,7 +600,7 @@ class DeactivateAccountRestServlet(RestServlet): self, request: SynapseRequest, target_user_id: str ) -> Tuple[int, JsonDict]: requester = await self.auth.get_user_by_req(request) - await assert_user_is_admin(self.auth, requester.user) + await assert_user_is_admin(self.auth, requester) if not self.is_mine(UserID.from_string(target_user_id)): raise SynapseError( @@ -693,7 +692,7 @@ class ResetPasswordRestServlet(RestServlet): This needs user to have administrator access in Synapse. """ requester = await self.auth.get_user_by_req(request) - await assert_user_is_admin(self.auth, requester.user) + await assert_user_is_admin(self.auth, requester) UserID.from_string(target_user_id) @@ -807,7 +806,7 @@ class UserAdminServlet(RestServlet): self, request: SynapseRequest, user_id: str ) -> Tuple[int, JsonDict]: requester = await self.auth.get_user_by_req(request) - await assert_user_is_admin(self.auth, requester.user) + await assert_user_is_admin(self.auth, requester) auth_user = requester.user target_user = UserID.from_string(user_id) @@ -921,7 +920,7 @@ class UserTokenRestServlet(RestServlet): self, request: SynapseRequest, user_id: str ) -> Tuple[int, JsonDict]: requester = await self.auth.get_user_by_req(request) - await assert_user_is_admin(self.auth, requester.user) + await assert_user_is_admin(self.auth, requester) auth_user = requester.user if not self.is_mine_id(user_id): diff --git a/synapse/rest/client/profile.py b/synapse/rest/client/profile.py index c16d707909..e69fa0829d 100644 --- a/synapse/rest/client/profile.py +++ b/synapse/rest/client/profile.py @@ -66,7 +66,7 @@ class ProfileDisplaynameRestServlet(RestServlet): ) -> Tuple[int, JsonDict]: requester = await self.auth.get_user_by_req(request, allow_guest=True) user = UserID.from_string(user_id) - is_admin = await self.auth.is_server_admin(requester.user) + is_admin = await self.auth.is_server_admin(requester) content = parse_json_object_from_request(request) @@ -123,7 +123,7 @@ class ProfileAvatarURLRestServlet(RestServlet): ) -> Tuple[int, JsonDict]: requester = await self.auth.get_user_by_req(request) user = UserID.from_string(user_id) - is_admin = await self.auth.is_server_admin(requester.user) + is_admin = await self.auth.is_server_admin(requester) content = parse_json_object_from_request(request) try: diff --git a/synapse/rest/client/register.py b/synapse/rest/client/register.py index 956c45e60a..1b953d3fa0 100644 --- a/synapse/rest/client/register.py +++ b/synapse/rest/client/register.py @@ -484,9 +484,6 @@ class RegisterRestServlet(RestServlet): "Appservice token must be provided when using a type of m.login.application_service", ) - # Verify the AS - self.auth.get_appservice_by_req(request) - # Set the desired user according to the AS API (which uses the # 'user' key not 'username'). Since this is a new addition, we'll # fallback to 'username' if they gave one. diff --git a/synapse/rest/client/room.py b/synapse/rest/client/room.py index 13bc9482c5..0eafbae457 100644 --- a/synapse/rest/client/room.py +++ b/synapse/rest/client/room.py @@ -229,7 +229,7 @@ class RoomStateEventRestServlet(TransactionRestServlet): msg_handler = self.message_handler data = await msg_handler.get_room_data( - user_id=requester.user.to_string(), + requester=requester, room_id=room_id, event_type=event_type, state_key=state_key, @@ -574,7 +574,7 @@ class RoomMemberListRestServlet(RestServlet): events = await handler.get_state_events( room_id=room_id, - user_id=requester.user.to_string(), + requester=requester, at_token=at_token, state_filter=StateFilter.from_types([(EventTypes.Member, None)]), ) @@ -696,8 +696,7 @@ class RoomStateRestServlet(RestServlet): # Get all the current state for this room events = await self.message_handler.get_state_events( room_id=room_id, - user_id=requester.user.to_string(), - is_guest=requester.is_guest, + requester=requester, ) return 200, events @@ -755,7 +754,7 @@ class RoomEventServlet(RestServlet): == "true" ) if include_unredacted_content and not await self.auth.is_server_admin( - requester.user + requester ): power_level_event = ( await self._storage_controllers.state.get_current_state_event( @@ -1260,9 +1259,7 @@ class TimestampLookupRestServlet(RestServlet): self, request: SynapseRequest, room_id: str ) -> Tuple[int, JsonDict]: requester = await self._auth.get_user_by_req(request) - await self._auth.check_user_in_room_or_world_readable( - room_id, requester.user.to_string() - ) + await self._auth.check_user_in_room_or_world_readable(room_id, requester) timestamp = parse_integer(request, "ts", required=True) direction = parse_string(request, "dir", default="f", allowed_values=["f", "b"]) diff --git a/synapse/server_notices/server_notices_manager.py b/synapse/server_notices/server_notices_manager.py index 8ecab86ec7..70d054a8f4 100644 --- a/synapse/server_notices/server_notices_manager.py +++ b/synapse/server_notices/server_notices_manager.py @@ -244,7 +244,7 @@ class ServerNoticesManager: assert self.server_notices_mxid is not None notice_user_data_in_room = await self._message_handler.get_room_data( - self.server_notices_mxid, + create_requester(self.server_notices_mxid), room_id, EventTypes.Member, self.server_notices_mxid, diff --git a/synapse/storage/databases/main/registration.py b/synapse/storage/databases/main/registration.py index cb63cd9b7d..7fb9c801da 100644 --- a/synapse/storage/databases/main/registration.py +++ b/synapse/storage/databases/main/registration.py @@ -69,9 +69,9 @@ class TokenLookupResult: """ user_id: str + token_id: int is_guest: bool = False shadow_banned: bool = False - token_id: Optional[int] = None device_id: Optional[str] = None valid_until_ms: Optional[int] = None token_owner: str = attr.ib() diff --git a/tests/api/test_auth.py b/tests/api/test_auth.py index dfcfaf79b6..e0f363555b 100644 --- a/tests/api/test_auth.py +++ b/tests/api/test_auth.py @@ -284,10 +284,13 @@ class AuthTestCase(unittest.HomeserverTestCase): TokenLookupResult( user_id="@baldrick:matrix.org", device_id="device", + token_id=5, token_owner="@admin:matrix.org", + token_used=True, ) ) self.store.insert_client_ip = simple_async_mock(None) + self.store.mark_access_token_as_used = simple_async_mock(None) request = Mock(args={}) request.getClientAddress.return_value.host = "127.0.0.1" request.args[b"access_token"] = [self.test_token] @@ -301,10 +304,13 @@ class AuthTestCase(unittest.HomeserverTestCase): TokenLookupResult( user_id="@baldrick:matrix.org", device_id="device", + token_id=5, token_owner="@admin:matrix.org", + token_used=True, ) ) self.store.insert_client_ip = simple_async_mock(None) + self.store.mark_access_token_as_used = simple_async_mock(None) request = Mock(args={}) request.getClientAddress.return_value.host = "127.0.0.1" request.args[b"access_token"] = [self.test_token] @@ -347,7 +353,7 @@ class AuthTestCase(unittest.HomeserverTestCase): serialized = macaroon.serialize() user_info = self.get_success(self.auth.get_user_by_access_token(serialized)) - self.assertEqual(user_id, user_info.user_id) + self.assertEqual(user_id, user_info.user.to_string()) self.assertTrue(user_info.is_guest) self.store.get_user_by_id.assert_called_with(user_id) diff --git a/tests/handlers/test_typing.py b/tests/handlers/test_typing.py index 7af1333126..8adba29d7f 100644 --- a/tests/handlers/test_typing.py +++ b/tests/handlers/test_typing.py @@ -25,7 +25,7 @@ from synapse.api.constants import EduTypes from synapse.api.errors import AuthError from synapse.federation.transport.server import TransportLayerServer from synapse.server import HomeServer -from synapse.types import JsonDict, UserID, create_requester +from synapse.types import JsonDict, Requester, UserID, create_requester from synapse.util import Clock from tests import unittest @@ -117,8 +117,10 @@ class TypingNotificationsTestCase(unittest.HomeserverTestCase): self.room_members = [] - async def check_user_in_room(room_id: str, user_id: str) -> None: - if user_id not in [u.to_string() for u in self.room_members]: + async def check_user_in_room(room_id: str, requester: Requester) -> None: + if requester.user.to_string() not in [ + u.to_string() for u in self.room_members + ]: raise AuthError(401, "User is not in the room") return None diff --git a/tests/rest/client/test_retention.py b/tests/rest/client/test_retention.py index ac9c113354..9c8c1889d3 100644 --- a/tests/rest/client/test_retention.py +++ b/tests/rest/client/test_retention.py @@ -20,7 +20,7 @@ from synapse.api.constants import EventTypes from synapse.rest import admin from synapse.rest.client import login, room from synapse.server import HomeServer -from synapse.types import JsonDict +from synapse.types import JsonDict, create_requester from synapse.util import Clock from synapse.visibility import filter_events_for_client @@ -188,7 +188,7 @@ class RetentionTestCase(unittest.HomeserverTestCase): message_handler = self.hs.get_message_handler() create_event = self.get_success( message_handler.get_room_data( - self.user_id, room_id, EventTypes.Create, state_key="" + create_requester(self.user_id), room_id, EventTypes.Create, state_key="" ) ) diff --git a/tests/rest/client/test_shadow_banned.py b/tests/rest/client/test_shadow_banned.py index d9bd8c4a28..c50f034b34 100644 --- a/tests/rest/client/test_shadow_banned.py +++ b/tests/rest/client/test_shadow_banned.py @@ -26,7 +26,7 @@ from synapse.rest.client import ( room_upgrade_rest_servlet, ) from synapse.server import HomeServer -from synapse.types import UserID +from synapse.types import UserID, create_requester from synapse.util import Clock from tests import unittest @@ -275,7 +275,7 @@ class ProfileTestCase(_ShadowBannedBase): message_handler = self.hs.get_message_handler() event = self.get_success( message_handler.get_room_data( - self.banned_user_id, + create_requester(self.banned_user_id), room_id, "m.room.member", self.banned_user_id, @@ -310,7 +310,7 @@ class ProfileTestCase(_ShadowBannedBase): message_handler = self.hs.get_message_handler() event = self.get_success( message_handler.get_room_data( - self.banned_user_id, + create_requester(self.banned_user_id), room_id, "m.room.member", self.banned_user_id,