diff --git a/synapse/api/auth.py b/synapse/api/auth.py index df788230fa..847ff60671 100644 --- a/synapse/api/auth.py +++ b/synapse/api/auth.py @@ -119,6 +119,20 @@ class Auth(object): @defer.inlineCallbacks def check_joined_room(self, room_id, user_id, current_state=None): + """Check if the user is currently joined in the room + Args: + room_id(str): The room to check. + user_id(str): The user to check. + current_state(dict): Optional map of the current state of the room. + If provided then that map is used to check whether they are a + member of the room. Otherwise the current membership is + loaded from the database. + Raises: + AuthError if the user is not in the room. + Returns: + A deferred membership event for the user if the user is in + the room. + """ if current_state: member = current_state.get( (EventTypes.Member, user_id), @@ -134,6 +148,43 @@ class Auth(object): self._check_joined_room(member, user_id, room_id) defer.returnValue(member) + @defer.inlineCallbacks + def check_user_was_in_room(self, room_id, user_id, current_state=None): + """Check if the user was in the room at some point. + Args: + room_id(str): The room to check. + user_id(str): The user to check. + current_state(dict): Optional map of the current state of the room. + If provided then that map is used to check whether they are a + member of the room. Otherwise the current membership is + loaded from the database. + Raises: + AuthError if the user was never in the room. + Returns: + A deferred membership event for the user if the user was in the + room. This will be the join event if they are currently joined to + the room. This will be the leave event if they have left the room. + """ + if current_state: + member = current_state.get( + (EventTypes.Member, user_id), + None + ) + else: + member = yield self.state.get_current_state( + room_id=room_id, + event_type=EventTypes.Member, + state_key=user_id + ) + membership = member.membership if member else None + + if membership not in (Membership.JOIN, Membership.LEAVE): + raise AuthError(403, "User %s not in room %s" % ( + user_id, room_id + )) + + defer.returnValue(member) + @defer.inlineCallbacks def check_host_in_room(self, room_id, host): curr_state = yield self.state.get_current_state(room_id) diff --git a/synapse/api/constants.py b/synapse/api/constants.py index 1423986c1e..3385664394 100644 --- a/synapse/api/constants.py +++ b/synapse/api/constants.py @@ -27,16 +27,6 @@ class Membership(object): LIST = (INVITE, JOIN, KNOCK, LEAVE, BAN) -class Feedback(object): - - """Represents the types of feedback a user can send in response to a - message.""" - - DELIVERED = u"delivered" - READ = u"read" - LIST = (DELIVERED, READ) - - class PresenceState(object): """Represents the presence state of a user.""" OFFLINE = u"offline" @@ -73,7 +63,6 @@ class EventTypes(object): PowerLevels = "m.room.power_levels" Aliases = "m.room.aliases" Redaction = "m.room.redaction" - Feedback = "m.room.message.feedback" RoomHistoryVisibility = "m.room.history_visibility" CanonicalAlias = "m.room.canonical_alias" diff --git a/synapse/handlers/message.py b/synapse/handlers/message.py index 23b779ad7c..bda8eb5f3f 100644 --- a/synapse/handlers/message.py +++ b/synapse/handlers/message.py @@ -16,13 +16,13 @@ from twisted.internet import defer from synapse.api.constants import EventTypes, Membership -from synapse.api.errors import RoomError, SynapseError +from synapse.api.errors import SynapseError from synapse.streams.config import PaginationConfig from synapse.events.utils import serialize_event from synapse.events.validator import EventValidator from synapse.util import unwrapFirstError from synapse.util.logcontext import PreserveLoggingContext -from synapse.types import UserID, RoomStreamToken +from synapse.types import UserID, RoomStreamToken, StreamToken from ._base import BaseHandler @@ -71,7 +71,7 @@ class MessageHandler(BaseHandler): @defer.inlineCallbacks def get_messages(self, user_id=None, room_id=None, pagin_config=None, - feedback=False, as_client_event=True): + as_client_event=True): """Get messages in a room. Args: @@ -79,26 +79,52 @@ class MessageHandler(BaseHandler): room_id (str): The room they want messages from. pagin_config (synapse.api.streams.PaginationConfig): The pagination config rules to apply, if any. - feedback (bool): True to get compressed feedback with the messages as_client_event (bool): True to get events in client-server format. Returns: dict: Pagination API results """ - yield self.auth.check_joined_room(room_id, user_id) + member_event = yield self.auth.check_user_was_in_room(room_id, user_id) data_source = self.hs.get_event_sources().sources["room"] - if not pagin_config.from_token: + if pagin_config.from_token: + room_token = pagin_config.from_token.room_key + else: pagin_config.from_token = ( yield self.hs.get_event_sources().get_current_token( direction='b' ) ) + room_token = pagin_config.from_token.room_key - room_token = RoomStreamToken.parse(pagin_config.from_token.room_key) + room_token = RoomStreamToken.parse(room_token) if room_token.topological is None: raise SynapseError(400, "Invalid token") + pagin_config.from_token = pagin_config.from_token.copy_and_replace( + "room_key", str(room_token) + ) + + source_config = pagin_config.get_source_config("room") + + if member_event.membership == Membership.LEAVE: + # If they have left the room then clamp the token to be before + # they left the room + leave_token = yield self.store.get_topological_token_for_event( + member_event.event_id + ) + leave_token = RoomStreamToken.parse(leave_token) + if leave_token.topological < room_token.topological: + source_config.from_key = str(leave_token) + + if source_config.direction == "f": + if source_config.to_key is None: + source_config.to_key = str(leave_token) + else: + to_token = RoomStreamToken.parse(source_config.to_key) + if leave_token.topological < to_token.topological: + source_config.to_key = str(leave_token) + yield self.hs.get_handlers().federation_handler.maybe_backfill( room_id, room_token.topological ) @@ -106,7 +132,7 @@ class MessageHandler(BaseHandler): user = UserID.from_string(user_id) events, next_key = yield data_source.get_pagination_rows( - user, pagin_config.get_source_config("room"), room_id + user, source_config, room_id ) next_token = pagin_config.from_token.copy_and_replace( @@ -255,29 +281,26 @@ class MessageHandler(BaseHandler): Raises: SynapseError if something went wrong. """ - have_joined = yield self.auth.check_joined_room(room_id, user_id) - if not have_joined: - raise RoomError(403, "User not in room.") + member_event = yield self.auth.check_user_was_in_room(room_id, user_id) + + if member_event.membership == Membership.JOIN: + data = yield self.state_handler.get_current_state( + room_id, event_type, state_key + ) + elif member_event.membership == Membership.LEAVE: + key = (event_type, state_key) + room_state = yield self.store.get_state_for_events( + room_id, [member_event.event_id], [key] + ) + data = room_state[member_event.event_id].get(key) - data = yield self.state_handler.get_current_state( - room_id, event_type, state_key - ) defer.returnValue(data) - @defer.inlineCallbacks - def get_feedback(self, event_id): - # yield self.auth.check_joined_room(room_id, user_id) - - # Pull out the feedback from the db - fb = yield self.store.get_feedback(event_id) - - if fb: - defer.returnValue(fb) - defer.returnValue(None) - @defer.inlineCallbacks def get_state_events(self, user_id, room_id): - """Retrieve all state events for a given room. + """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 + left the room return the state events from when they left. Args: user_id(str): The user requesting state events. @@ -285,18 +308,23 @@ class MessageHandler(BaseHandler): Returns: A list of dicts representing state events. [{}, {}, {}] """ - yield self.auth.check_joined_room(room_id, user_id) + member_event = yield self.auth.check_user_was_in_room(room_id, user_id) + + if member_event.membership == Membership.JOIN: + room_state = yield self.state_handler.get_current_state(room_id) + elif member_event.membership == Membership.LEAVE: + room_state = yield self.store.get_state_for_events( + room_id, [member_event.event_id], None + ) + room_state = room_state[member_event.event_id] - # TODO: This is duplicating logic from snapshot_all_rooms - current_state = yield self.state_handler.get_current_state(room_id) now = self.clock.time_msec() defer.returnValue( - [serialize_event(c, now) for c in current_state.values()] + [serialize_event(c, now) for c in room_state.values()] ) @defer.inlineCallbacks - def snapshot_all_rooms(self, user_id=None, pagin_config=None, - feedback=False, as_client_event=True): + def snapshot_all_rooms(self, user_id=None, pagin_config=None, as_client_event=True): """Retrieve a snapshot of all rooms the user is invited or has joined. This snapshot may include messages for all rooms where the user is @@ -306,7 +334,6 @@ class MessageHandler(BaseHandler): user_id (str): The ID of the user making the request. pagin_config (synapse.api.streams.PaginationConfig): The pagination config used to determine how many messages *PER ROOM* to return. - feedback (bool): True to get feedback along with these messages. as_client_event (bool): True to get events in client-server format. Returns: A list of dicts with "room_id" and "membership" keys for all rooms @@ -316,7 +343,9 @@ class MessageHandler(BaseHandler): """ room_list = yield self.store.get_rooms_for_user_where_membership_is( user_id=user_id, - membership_list=[Membership.INVITE, Membership.JOIN] + membership_list=[ + Membership.INVITE, Membership.JOIN, Membership.LEAVE + ] ) user = UserID.from_string(user_id) @@ -358,19 +387,32 @@ class MessageHandler(BaseHandler): rooms_ret.append(d) - if event.membership != Membership.JOIN: + if event.membership not in (Membership.JOIN, Membership.LEAVE): return + try: + if event.membership == Membership.JOIN: + room_end_token = now_token.room_key + deferred_room_state = self.state_handler.get_current_state( + event.room_id + ) + elif event.membership == Membership.LEAVE: + room_end_token = "s%d" % (event.stream_ordering,) + deferred_room_state = self.store.get_state_for_events( + event.room_id, [event.event_id], None + ) + deferred_room_state.addCallback( + lambda states: states[event.event_id] + ) + (messages, token), current_state = yield defer.gatherResults( [ self.store.get_recent_events_for_room( event.room_id, limit=limit, - end_token=now_token.room_key, - ), - self.state_handler.get_current_state( - event.room_id + end_token=room_end_token, ), + deferred_room_state, ] ).addErrback(unwrapFirstError) @@ -417,15 +459,85 @@ class MessageHandler(BaseHandler): defer.returnValue(ret) @defer.inlineCallbacks - def room_initial_sync(self, user_id, room_id, pagin_config=None, - feedback=False): - current_state = yield self.state.get_current_state( - room_id=room_id, + def room_initial_sync(self, user_id, room_id, pagin_config=None): + """Capture the a snapshot of a room. If user is currently a member of + the room this will be what is currently in the room. If the user left + the room this will be what was in the room when they left. + + Args: + user_id(str): The user to get a snapshot for. + room_id(str): The room to get a snapshot of. + pagin_config(synapse.streams.config.PaginationConfig): + The pagination config used to determine how many messages to + return. + Raises: + AuthError if the user wasn't in the room. + Returns: + A JSON serialisable dict with the snapshot of the room. + """ + + member_event = yield self.auth.check_user_was_in_room(room_id, user_id) + + if member_event.membership == Membership.JOIN: + result = yield self._room_initial_sync_joined( + user_id, room_id, pagin_config, member_event + ) + elif member_event.membership == Membership.LEAVE: + result = yield self._room_initial_sync_parted( + user_id, room_id, pagin_config, member_event + ) + defer.returnValue(result) + + @defer.inlineCallbacks + def _room_initial_sync_parted(self, user_id, room_id, pagin_config, + member_event): + room_state = yield self.store.get_state_for_events( + member_event.room_id, [member_event.event_id], None ) - yield self.auth.check_joined_room( - room_id, user_id, - current_state=current_state + room_state = room_state[member_event.event_id] + + limit = pagin_config.limit if pagin_config else None + if limit is None: + limit = 10 + + stream_token = yield self.store.get_stream_token_for_event( + member_event.event_id + ) + + messages, token = yield self.store.get_recent_events_for_room( + room_id, + limit=limit, + end_token=stream_token + ) + + messages = yield self._filter_events_for_client( + user_id, room_id, messages + ) + + start_token = StreamToken(token[0], 0, 0, 0) + end_token = StreamToken(token[1], 0, 0, 0) + + time_now = self.clock.time_msec() + + defer.returnValue({ + "membership": member_event.membership, + "room_id": room_id, + "messages": { + "chunk": [serialize_event(m, time_now) for m in messages], + "start": start_token.to_string(), + "end": end_token.to_string(), + }, + "state": [serialize_event(s, time_now) for s in room_state.values()], + "presence": [], + "receipts": [], + }) + + @defer.inlineCallbacks + def _room_initial_sync_joined(self, user_id, room_id, pagin_config, + member_event): + current_state = yield self.state.get_current_state( + room_id=room_id, ) # TODO(paul): I wish I was called with user objects not user_id @@ -439,8 +551,6 @@ class MessageHandler(BaseHandler): for x in current_state.values() ] - member_event = current_state.get((EventTypes.Member, user_id,)) - now_token = yield self.hs.get_event_sources().get_current_token() limit = pagin_config.limit if pagin_config else None diff --git a/synapse/handlers/room.py b/synapse/handlers/room.py index c5d1001b50..243623190f 100644 --- a/synapse/handlers/room.py +++ b/synapse/handlers/room.py @@ -25,7 +25,6 @@ from synapse.api.constants import ( from synapse.api.errors import StoreError, SynapseError from synapse.util import stringutils, unwrapFirstError from synapse.util.async import run_on_reactor -from synapse.events.utils import serialize_event from collections import OrderedDict import logging @@ -342,41 +341,6 @@ class RoomMemberHandler(BaseHandler): if remotedomains is not None: remotedomains.add(member.domain) - @defer.inlineCallbacks - def get_room_members_as_pagination_chunk(self, room_id=None, user_id=None, - limit=0, start_tok=None, - end_tok=None): - """Retrieve a list of room members in the room. - - Args: - room_id (str): The room to get the member list for. - user_id (str): The ID of the user making the request. - limit (int): The max number of members to return. - start_tok (str): Optional. The start token if known. - end_tok (str): Optional. The end token if known. - Returns: - dict: A Pagination streamable dict. - Raises: - SynapseError if something goes wrong. - """ - yield self.auth.check_joined_room(room_id, user_id) - - member_list = yield self.store.get_room_members(room_id=room_id) - time_now = self.clock.time_msec() - event_list = [ - serialize_event(entry, time_now) - for entry in member_list - ] - chunk_data = { - "start": "START", # FIXME (erikj): START is no longer valid - "end": "END", - "chunk": event_list - } - # TODO honor Pagination stream params - # TODO snapshot this list to return on subsequent requests when - # paginating - defer.returnValue(chunk_data) - @defer.inlineCallbacks def change_membership(self, event, context, do_auth=True): """ Change the membership status of a user in a room. @@ -646,7 +610,6 @@ class RoomEventSource(object): to_key=config.to_key, direction=config.direction, limit=config.limit, - with_feedback=True ) defer.returnValue((events, next_key)) diff --git a/synapse/rest/client/v1/initial_sync.py b/synapse/rest/client/v1/initial_sync.py index 4ea4da653c..bac68cc29f 100644 --- a/synapse/rest/client/v1/initial_sync.py +++ b/synapse/rest/client/v1/initial_sync.py @@ -26,14 +26,12 @@ class InitialSyncRestServlet(ClientV1RestServlet): @defer.inlineCallbacks def on_GET(self, request): user, _ = yield self.auth.get_user_by_req(request) - with_feedback = "feedback" in request.args as_client_event = "raw" not in request.args pagination_config = PaginationConfig.from_request(request) handler = self.handlers.message_handler content = yield handler.snapshot_all_rooms( user_id=user.to_string(), pagin_config=pagination_config, - feedback=with_feedback, as_client_event=as_client_event ) diff --git a/synapse/rest/client/v1/room.py b/synapse/rest/client/v1/room.py index c9c27dd5a0..23871f161e 100644 --- a/synapse/rest/client/v1/room.py +++ b/synapse/rest/client/v1/room.py @@ -290,12 +290,18 @@ class RoomMemberListRestServlet(ClientV1RestServlet): def on_GET(self, request, room_id): # TODO support Pagination stream API (limit/tokens) user, _ = yield self.auth.get_user_by_req(request) - handler = self.handlers.room_member_handler - members = yield handler.get_room_members_as_pagination_chunk( + handler = self.handlers.message_handler + events = yield handler.get_state_events( room_id=room_id, - user_id=user.to_string()) + user_id=user.to_string(), + ) - for event in members["chunk"]: + chunk = [] + + for event in events: + if event["type"] != EventTypes.Member: + continue + chunk.append(event) # FIXME: should probably be state_key here, not user_id target_user = UserID.from_string(event["user_id"]) # Presence is an optional cache; don't fail if we can't fetch it @@ -308,7 +314,9 @@ class RoomMemberListRestServlet(ClientV1RestServlet): except: pass - defer.returnValue((200, members)) + defer.returnValue((200, { + "chunk": chunk + })) # TODO: Needs unit testing @@ -321,14 +329,12 @@ class RoomMessageListRestServlet(ClientV1RestServlet): pagination_config = PaginationConfig.from_request( request, default_limit=10, ) - with_feedback = "feedback" in request.args as_client_event = "raw" not in request.args handler = self.handlers.message_handler msgs = yield handler.get_messages( room_id=room_id, user_id=user.to_string(), pagin_config=pagination_config, - feedback=with_feedback, as_client_event=as_client_event ) diff --git a/synapse/storage/roommember.py b/synapse/storage/roommember.py index 8eee2dfbcc..cd9eefbd9f 100644 --- a/synapse/storage/roommember.py +++ b/synapse/storage/roommember.py @@ -30,7 +30,7 @@ logger = logging.getLogger(__name__) RoomsForUser = namedtuple( "RoomsForUser", - ("room_id", "sender", "membership") + ("room_id", "sender", "membership", "event_id", "stream_ordering") ) @@ -141,9 +141,11 @@ class RoomMemberStore(SQLBaseStore): args.extend(membership_list) sql = ( - "SELECT m.room_id, m.sender, m.membership" + "SELECT m.room_id, m.sender, m.membership, m.event_id, e.stream_ordering" " FROM room_memberships as m" " INNER JOIN current_state_events as c" + " ON e.event_id = c.event_id " + " INNER JOIN events as e " " ON m.event_id = c.event_id " " AND m.room_id = c.room_id " " AND m.user_id = c.state_key" diff --git a/synapse/storage/stream.py b/synapse/storage/stream.py index d7fe423f5a..3cab06fdef 100644 --- a/synapse/storage/stream.py +++ b/synapse/storage/stream.py @@ -159,9 +159,7 @@ class StreamStore(SQLBaseStore): @log_function def get_room_events_stream(self, user_id, from_key, to_key, room_id, - limit=0, with_feedback=False): - # TODO (erikj): Handle compressed feedback - + limit=0): current_room_membership_sql = ( "SELECT m.room_id FROM room_memberships as m " " INNER JOIN current_state_events as c" @@ -227,10 +225,7 @@ class StreamStore(SQLBaseStore): @defer.inlineCallbacks def paginate_room_events(self, room_id, from_key, to_key=None, - direction='b', limit=-1, - with_feedback=False): - # TODO (erikj): Handle compressed feedback - + direction='b', limit=-1): # Tokens really represent positions between elements, but we use # the convention of pointing to the event before the gap. Hence # we have a bit of asymmetry when it comes to equalities. @@ -302,7 +297,6 @@ class StreamStore(SQLBaseStore): @cachedInlineCallbacks(num_args=4) def get_recent_events_for_room(self, room_id, limit, end_token, from_token=None): - # TODO (erikj): Handle compressed feedback end_token = RoomStreamToken.parse_stream_token(end_token) @@ -379,6 +373,38 @@ class StreamStore(SQLBaseStore): ) defer.returnValue("t%d-%d" % (topo, token)) + def get_stream_token_for_event(self, event_id): + """The stream token for an event + Args: + event_id(str): The id of the event to look up a stream token for. + Raises: + StoreError if the event wasn't in the database. + Returns: + A deferred "s%d" stream token. + """ + return self._simple_select_one_onecol( + table="events", + keyvalues={"event_id": event_id}, + retcol="stream_ordering", + ).addCallback(lambda row: "s%d" % (row,)) + + def get_topological_token_for_event(self, event_id): + """The stream token for an event + Args: + event_id(str): The id of the event to look up a stream token for. + Raises: + StoreError if the event wasn't in the database. + Returns: + A deferred "t%d-%d" topological token. + """ + return self._simple_select_one( + table="events", + keyvalues={"event_id": event_id}, + retcols=("stream_ordering", "topological_ordering"), + ).addCallback(lambda row: "t%d-%d" % ( + row["topological_ordering"], row["stream_ordering"],) + ) + def _get_max_topological_txn(self, txn): txn.execute( "SELECT MAX(topological_ordering) FROM events" diff --git a/tests/rest/client/v1/test_rooms.py b/tests/rest/client/v1/test_rooms.py index 9fb2bfb315..a2123be81b 100644 --- a/tests/rest/client/v1/test_rooms.py +++ b/tests/rest/client/v1/test_rooms.py @@ -239,7 +239,7 @@ class RoomPermissionsTestCase(RestTestCase): "PUT", topic_path, topic_content) self.assertEquals(403, code, msg=str(response)) (code, response) = yield self.mock_resource.trigger_get(topic_path) - self.assertEquals(403, code, msg=str(response)) + self.assertEquals(200, code, msg=str(response)) # get topic in PUBLIC room, not joined, expect 403 (code, response) = yield self.mock_resource.trigger_get( @@ -301,11 +301,11 @@ class RoomPermissionsTestCase(RestTestCase): room=room, expect_code=200) # get membership of self, get membership of other, private room + left - # expect all 403s + # expect all 200s yield self.leave(room=room, user=self.user_id) yield self._test_get_membership( members=[self.user_id, self.rmcreator_id], - room=room, expect_code=403) + room=room, expect_code=200) @defer.inlineCallbacks def test_membership_public_room_perms(self): @@ -326,11 +326,11 @@ class RoomPermissionsTestCase(RestTestCase): room=room, expect_code=200) # get membership of self, get membership of other, public room + left - # expect 403. + # expect 200. yield self.leave(room=room, user=self.user_id) yield self._test_get_membership( members=[self.user_id, self.rmcreator_id], - room=room, expect_code=403) + room=room, expect_code=200) @defer.inlineCallbacks def test_invited_permissions(self): @@ -492,9 +492,9 @@ class RoomsMemberListTestCase(RestTestCase): self.assertEquals(200, code, msg=str(response)) yield self.leave(room=room_id, user=self.user_id) - # can no longer see list, you've left. + # can see old list once left (code, response) = yield self.mock_resource.trigger_get(room_path) - self.assertEquals(403, code, msg=str(response)) + self.assertEquals(200, code, msg=str(response)) class RoomsCreateTestCase(RestTestCase):