diff options
| -rw-r--r-- | synapse/handlers/_base.py | 29 | ||||
| -rw-r--r-- | synapse/handlers/directory.py | 2 | ||||
| -rw-r--r-- | synapse/handlers/federation.py | 4 | ||||
| -rw-r--r-- | synapse/handlers/message.py | 60 | ||||
| -rw-r--r-- | synapse/handlers/profile.py | 28 | ||||
| -rw-r--r-- | synapse/handlers/room.py | 247 | ||||
| -rw-r--r-- | synapse/rest/client/v1/room.py | 80 | ||||
| -rw-r--r-- | synapse/types.py | 8 |
8 files changed, 234 insertions, 224 deletions
diff --git a/synapse/handlers/_base.py b/synapse/handlers/_base.py index 064e8723c8..cad37f50e7 100644 --- a/synapse/handlers/_base.py +++ b/synapse/handlers/_base.py @@ -18,7 +18,7 @@ from twisted.internet import defer from synapse.api.errors import LimitExceededError, SynapseError, AuthError from synapse.crypto.event_signing import add_hashes_and_signatures from synapse.api.constants import Membership, EventTypes -from synapse.types import UserID, RoomAlias +from synapse.types import UserID, RoomAlias, Requester from synapse.push.action_generator import ActionGenerator from synapse.util.logcontext import PreserveLoggingContext @@ -188,9 +188,12 @@ class BaseHandler(object): ) @defer.inlineCallbacks - def handle_new_client_event(self, event, context, extra_users=[]): + def handle_new_client_event(self, event, context, ratelimit=True, extra_users=[]): # We now need to go and hit out to wherever we need to hit out to. + if ratelimit: + self.ratelimit(event.sender) + self.auth.check(event, auth_events=context.current_state) yield self.maybe_kick_guest_users(event, context.current_state.values()) @@ -316,7 +319,8 @@ class BaseHandler(object): if member_event.type != EventTypes.Member: continue - if not self.hs.is_mine(UserID.from_string(member_event.state_key)): + target_user = UserID.from_string(member_event.state_key) + if not self.hs.is_mine(target_user): continue if member_event.content["membership"] not in { @@ -338,18 +342,13 @@ class BaseHandler(object): # and having homeservers have their own users leave keeps more # of that decision-making and control local to the guest-having # homeserver. - message_handler = self.hs.get_handlers().message_handler - yield message_handler.create_and_send_event( - { - "type": EventTypes.Member, - "state_key": member_event.state_key, - "content": { - "membership": Membership.LEAVE, - "kind": "guest" - }, - "room_id": member_event.room_id, - "sender": member_event.state_key - }, + requester = Requester(target_user, "", True) + handler = self.hs.get_handlers().room_member_handler + yield handler.update_membership( + requester, + target_user, + member_event.room_id, + "leave", ratelimit=False, ) except Exception as e: diff --git a/synapse/handlers/directory.py b/synapse/handlers/directory.py index 4efecb1ffd..e0a778e7ff 100644 --- a/synapse/handlers/directory.py +++ b/synapse/handlers/directory.py @@ -216,7 +216,7 @@ class DirectoryHandler(BaseHandler): aliases = yield self.store.get_aliases_for_room(room_id) msg_handler = self.hs.get_handlers().message_handler - yield msg_handler.create_and_send_event({ + yield msg_handler.create_and_send_nonmember_event({ "type": EventTypes.Aliases, "state_key": self.hs.hostname, "room_id": room_id, diff --git a/synapse/handlers/federation.py b/synapse/handlers/federation.py index da55d43541..ac15f9e5dd 100644 --- a/synapse/handlers/federation.py +++ b/synapse/handlers/federation.py @@ -1658,7 +1658,7 @@ class FederationHandler(BaseHandler): self.auth.check(event, context.current_state) yield self._validate_keyserver(event, auth_events=context.current_state) member_handler = self.hs.get_handlers().room_member_handler - yield member_handler.send_membership_event(event, context) + yield member_handler.send_membership_event(event, context, from_client=False) else: destinations = set([x.split(":", 1)[-1] for x in (sender, room_id)]) yield self.replication_layer.forward_third_party_invite( @@ -1687,7 +1687,7 @@ class FederationHandler(BaseHandler): # TODO: Make sure the signatures actually are correct. event.signatures.update(returned_invite.signatures) member_handler = self.hs.get_handlers().room_member_handler - yield member_handler.send_membership_event(event, context) + yield member_handler.send_membership_event(event, context, from_client=False) @defer.inlineCallbacks def add_display_name_to_third_party_invite(self, event_dict, event, context): diff --git a/synapse/handlers/message.py b/synapse/handlers/message.py index 82c8cb5f0c..05dab172b8 100644 --- a/synapse/handlers/message.py +++ b/synapse/handlers/message.py @@ -16,7 +16,7 @@ from twisted.internet import defer from synapse.api.constants import EventTypes, Membership -from synapse.api.errors import AuthError, Codes +from synapse.api.errors import AuthError, Codes, SynapseError from synapse.streams.config import PaginationConfig from synapse.events.utils import serialize_event from synapse.events.validator import EventValidator @@ -216,7 +216,7 @@ class MessageHandler(BaseHandler): defer.returnValue((event, context)) @defer.inlineCallbacks - def send_event(self, event, context, ratelimit=True, is_guest=False): + def send_nonmember_event(self, event, context, ratelimit=True): """ Persists and notifies local clients and federation of an event. @@ -226,55 +226,63 @@ class MessageHandler(BaseHandler): ratelimit (bool): Whether to rate limit this send. is_guest (bool): Whether the sender is a guest. """ + if event.type == EventTypes.Member: + raise SynapseError( + 500, + "Tried to send member even through non-member codepath" + ) + user = UserID.from_string(event.sender) assert self.hs.is_mine(user), "User must be our own: %s" % (user,) - if ratelimit: - self.ratelimit(event.sender) - if event.is_state(): - prev_state = context.current_state.get((event.type, event.state_key)) - if prev_state and event.user_id == prev_state.user_id: - prev_content = encode_canonical_json(prev_state.content) - next_content = encode_canonical_json(event.content) - if prev_content == next_content: - # Duplicate suppression for state updates with same sender - # and content. - defer.returnValue(prev_state) + prev_state = self.deduplicate_state_event(event, context) + if prev_state is not None: + defer.returnValue(prev_state) - if event.type == EventTypes.Member: - member_handler = self.hs.get_handlers().room_member_handler - yield member_handler.send_membership_event(event, context, is_guest=is_guest) - else: - yield self.handle_new_client_event( - event=event, - context=context, - ) + yield self.handle_new_client_event( + event=event, + context=context, + ratelimit=ratelimit, + ) if event.type == EventTypes.Message: presence = self.hs.get_handlers().presence_handler with PreserveLoggingContext(): presence.bump_presence_active_time(user) + def deduplicate_state_event(self, event, context): + prev_state = context.current_state.get((event.type, event.state_key)) + if prev_state and event.user_id == prev_state.user_id: + prev_content = encode_canonical_json(prev_state.content) + next_content = encode_canonical_json(event.content) + if prev_content == next_content: + return prev_state + return None + @defer.inlineCallbacks - def create_and_send_event(self, event_dict, ratelimit=True, - token_id=None, txn_id=None, is_guest=False): + def create_and_send_nonmember_event( + self, + event_dict, + ratelimit=True, + token_id=None, + txn_id=None + ): """ Creates an event, then sends it. - See self.create_event and self.send_event. + See self.create_event and self.send_nonmember_event. """ event, context = yield self.create_event( event_dict, token_id=token_id, txn_id=txn_id ) - yield self.send_event( + yield self.send_nonmember_event( event, context, ratelimit=ratelimit, - is_guest=is_guest ) defer.returnValue(event) diff --git a/synapse/handlers/profile.py b/synapse/handlers/profile.py index 629e6e3594..2850db4a1f 100644 --- a/synapse/handlers/profile.py +++ b/synapse/handlers/profile.py @@ -16,8 +16,7 @@ from twisted.internet import defer from synapse.api.errors import SynapseError, AuthError, CodeMessageException -from synapse.api.constants import EventTypes, Membership -from synapse.types import UserID +from synapse.types import UserID, Requester from synapse.util import unwrapFirstError from ._base import BaseHandler @@ -208,21 +207,18 @@ class ProfileHandler(BaseHandler): ) for j in joins: - content = { - "membership": Membership.JOIN, - } - - yield collect_presencelike_data(self.distributor, user, content) - - msg_handler = self.hs.get_handlers().message_handler + handler = self.hs.get_handlers().room_member_handler try: - yield msg_handler.create_and_send_event({ - "type": EventTypes.Member, - "room_id": j.room_id, - "state_key": user.to_string(), - "content": content, - "sender": user.to_string() - }, ratelimit=False) + # Assume the user isn't a guest because we don't let guests set + # profile or avatar data. + requester = Requester(user, "", False) + yield handler.update_membership( + requester, + user, + j.room_id, + "join", # We treat a profile update like a join. + ratelimit=False, + ) except Exception as e: logger.warn( "Failed to update join event for room %s - %s", diff --git a/synapse/handlers/room.py b/synapse/handlers/room.py index 8e3c86d3a7..722dadde77 100644 --- a/synapse/handlers/room.py +++ b/synapse/handlers/room.py @@ -24,7 +24,6 @@ from synapse.api.constants import ( ) from synapse.api.errors import AuthError, StoreError, SynapseError, Codes from synapse.util import stringutils, unwrapFirstError -from synapse.util.async import run_on_reactor from synapse.util.logcontext import preserve_context_over_fn from signedjson.sign import verify_signed_json @@ -42,10 +41,6 @@ logger = logging.getLogger(__name__) id_server_scheme = "https://" -def collect_presencelike_data(distributor, user, content): - return distributor.fire("collect_presencelike_data", user, content) - - def user_left_room(distributor, user, room_id): return preserve_context_over_fn( distributor.fire, @@ -184,13 +179,24 @@ class RoomCreationHandler(BaseHandler): ) msg_handler = self.hs.get_handlers().message_handler + room_member_handler = self.hs.get_handlers().room_member_handler for event in creation_events: - yield msg_handler.create_and_send_event(event, ratelimit=False) + if event["type"] == EventTypes.Member: + # TODO(danielwh): This is hideous + yield room_member_handler.update_membership( + requester, + user, + room_id, + "join", + ratelimit=False, + ) + else: + yield msg_handler.create_and_send_nonmember_event(event, ratelimit=False) if "name" in config: name = config["name"] - yield msg_handler.create_and_send_event({ + yield msg_handler.create_and_send_nonmember_event({ "type": EventTypes.Name, "room_id": room_id, "sender": user_id, @@ -200,7 +206,7 @@ class RoomCreationHandler(BaseHandler): if "topic" in config: topic = config["topic"] - yield msg_handler.create_and_send_event({ + yield msg_handler.create_and_send_nonmember_event({ "type": EventTypes.Topic, "room_id": room_id, "sender": user_id, @@ -209,13 +215,13 @@ class RoomCreationHandler(BaseHandler): }, ratelimit=False) for invitee in invite_list: - yield msg_handler.create_and_send_event({ - "type": EventTypes.Member, - "state_key": invitee, - "room_id": room_id, - "sender": user_id, - "content": {"membership": Membership.INVITE}, - }, ratelimit=False) + room_member_handler.update_membership( + requester, + UserID.from_string(invitee), + room_id, + "invite", + ratelimit=False, + ) for invite_3pid in invite_3pid_list: id_server = invite_3pid["id_server"] @@ -227,7 +233,7 @@ class RoomCreationHandler(BaseHandler): medium, address, id_server, - token_id=None, + requester, txn_id=None, ) @@ -392,7 +398,16 @@ class RoomMemberHandler(BaseHandler): remotedomains.add(member.domain) @defer.inlineCallbacks - def update_membership(self, requester, target, room_id, action, txn_id=None): + def update_membership( + self, + requester, + target, + room_id, + action, + txn_id=None, + room_hosts=None, + ratelimit=True, + ): effective_membership_state = action if action in ["kick", "unban"]: effective_membership_state = "leave" @@ -401,7 +416,7 @@ class RoomMemberHandler(BaseHandler): msg_handler = self.hs.get_handlers().message_handler - content = {"membership": unicode(effective_membership_state)} + content = {"membership": effective_membership_state} if requester.is_guest: content["kind"] = "guest" @@ -412,6 +427,9 @@ class RoomMemberHandler(BaseHandler): "room_id": room_id, "sender": requester.user.to_string(), "state_key": target.to_string(), + + # For backwards compatibility: + "membership": effective_membership_state, }, token_id=requester.access_token_id, txn_id=txn_id, @@ -432,18 +450,23 @@ class RoomMemberHandler(BaseHandler): errcode=Codes.BAD_STATE ) - yield msg_handler.send_event( + member_handler = self.hs.get_handlers().room_member_handler + yield member_handler.send_membership_event( event, context, - ratelimit=True, - is_guest=requester.is_guest + is_guest=requester.is_guest, + ratelimit=ratelimit, + room_hosts=room_hosts, + from_client=True, ) if action == "forget": yield self.forget(requester.user, room_id) @defer.inlineCallbacks - def send_membership_event(self, event, context, is_guest=False): + def send_membership_event( + self, event, context, is_guest=False, room_hosts=None, ratelimit=True, from_client=True, + ): """ Change the membership status of a user in a room. Args: @@ -451,7 +474,18 @@ class RoomMemberHandler(BaseHandler): Raises: SynapseError if there was a problem changing the membership. """ + if from_client: + user = UserID.from_string(event.sender) + + assert self.hs.is_mine(user), "User must be our own: %s" % (user,) + + if event.is_state(): + prev_state = self.hs.get_handlers().message_handler.deduplicate_state_event(event, context) + if prev_state is not None: + return + target_user_id = event.state_key + target_user = UserID.from_string(event.state_key) prev_state = context.current_state.get( (EventTypes.Member, target_user_id), @@ -478,7 +512,51 @@ class RoomMemberHandler(BaseHandler): if not is_guest_access_allowed: raise AuthError(403, "Guest access not allowed") - yield self._do_join(event, context) + room_id = event.room_id + + # XXX: We don't do an auth check if we are doing an invite + # join dance for now, since we're kinda implicitly checking + # that we are allowed to join when we decide whether or not we + # need to do the invite/join dance. + + is_host_in_room = yield self.is_host_in_room(room_id, context) + if is_host_in_room: + should_do_dance = False + elif room_hosts: # TODO: Shouldn't this be remote_room_host? + should_do_dance = True + else: + inviter = yield self.get_inviter(event) + if not inviter: + # return the same error as join_room_alias does + raise SynapseError(404, "No known servers") + should_do_dance = not self.hs.is_mine(inviter) + room_hosts = [inviter.domain] + + if should_do_dance: + handler = self.hs.get_handlers().federation_handler + yield handler.do_invite_join( + room_hosts, + room_id, + event.user_id, + event.content, + ) + else: + logger.debug("Doing normal join") + + yield self.handle_new_client_event( + event, + context, + extra_users=[target_user], + ratelimit=ratelimit, + ) + + prev_state = context.current_state.get((event.type, event.state_key)) + if not prev_state or prev_state.membership != Membership.JOIN: + # Only fire user_joined_room if the user has acutally joined the + # room. Don't bother if the user is just changing their profile + # info. + user = UserID.from_string(event.user_id) + yield user_joined_room(self.distributor, user, room_id) else: if event.membership == Membership.LEAVE: is_host_in_room = yield self.is_host_in_room(room_id, context) @@ -494,28 +572,36 @@ class RoomMemberHandler(BaseHandler): room_id, event.user_id ) - defer.returnValue({"room_id": room_id}) return # FIXME: This isn't idempotency. if prev_state and prev_state.membership == event.membership: # double same action, treat this event as a NOOP. - defer.returnValue({}) return - yield self._do_local_membership_update( + yield self.handle_new_client_event( event, - context=context, + context, + extra_users=[target_user], + ratelimit=ratelimit, ) if prev_state and prev_state.membership == Membership.JOIN: user = UserID.from_string(event.user_id) user_left_room(self.distributor, user, event.room_id) - defer.returnValue({"room_id": room_id}) - @defer.inlineCallbacks - def join_room_alias(self, joinee, room_alias, content={}): + def lookup_room_alias(self, room_alias): + """ + Get the room ID associated with a room alias. + + Args: + room_alias (RoomAlias): The alias to look up. + Returns: + The room ID as a RoomID object. + Raises: + SynapseError if room alias could not be found. + """ directory_handler = self.hs.get_handlers().directory_handler mapping = yield directory_handler.get_association(room_alias) @@ -527,69 +613,7 @@ class RoomMemberHandler(BaseHandler): if not hosts: raise SynapseError(404, "No known servers") - # If event doesn't include a display name, add one. - yield collect_presencelike_data(self.distributor, joinee, content) - - content.update({"membership": Membership.JOIN}) - builder = self.event_builder_factory.new({ - "type": EventTypes.Member, - "state_key": joinee.to_string(), - "room_id": room_id, - "sender": joinee.to_string(), - "membership": Membership.JOIN, - "content": content, - }) - event, context = yield self._create_new_client_event(builder) - - yield self._do_join(event, context, room_hosts=hosts) - - defer.returnValue({"room_id": room_id}) - - @defer.inlineCallbacks - def _do_join(self, event, context, room_hosts=None): - room_id = event.room_id - - # XXX: We don't do an auth check if we are doing an invite - # join dance for now, since we're kinda implicitly checking - # that we are allowed to join when we decide whether or not we - # need to do the invite/join dance. - - is_host_in_room = yield self.is_host_in_room(room_id, context) - if is_host_in_room: - should_do_dance = False - elif room_hosts: # TODO: Shouldn't this be remote_room_host? - should_do_dance = True - else: - inviter = yield self.get_inviter(event) - if not inviter: - # return the same error as join_room_alias does - raise SynapseError(404, "No known servers") - should_do_dance = not self.hs.is_mine(inviter) - room_hosts = [inviter.domain] - - if should_do_dance: - handler = self.hs.get_handlers().federation_handler - yield handler.do_invite_join( - room_hosts, - room_id, - event.user_id, - event.content, - ) - else: - logger.debug("Doing normal join") - - yield self._do_local_membership_update( - event, - context=context, - ) - - prev_state = context.current_state.get((event.type, event.state_key)) - if not prev_state or prev_state.membership != Membership.JOIN: - # Only fire user_joined_room if the user has acutally joined the - # room. Don't bother if the user is just changing their profile - # info. - user = UserID.from_string(event.user_id) - yield user_joined_room(self.distributor, user, room_id) + defer.returnValue((RoomID.from_string(room_id), hosts)) @defer.inlineCallbacks def get_inviter(self, event): @@ -645,18 +669,6 @@ class RoomMemberHandler(BaseHandler): defer.returnValue(room_ids) @defer.inlineCallbacks - def _do_local_membership_update(self, event, context): - yield run_on_reactor() - - target_user = UserID.from_string(event.state_key) - - yield self.handle_new_client_event( - event, - context, - extra_users=[target_user], - ) - - @defer.inlineCallbacks def do_3pid_invite( self, room_id, @@ -664,7 +676,7 @@ class RoomMemberHandler(BaseHandler): medium, address, id_server, - token_id, + requester, txn_id ): invitee = yield self._lookup_3pid( @@ -672,19 +684,12 @@ class RoomMemberHandler(BaseHandler): ) if invitee: - # make sure it looks like a user ID; it'll throw if it's invalid. - UserID.from_string(invitee) - yield self.hs.get_handlers().message_handler.create_and_send_event( - { - "type": EventTypes.Member, - "content": { - "membership": unicode("invite") - }, - "room_id": room_id, - "sender": inviter.to_string(), - "state_key": invitee, - }, - token_id=token_id, + handler = self.hs.get_handlers().room_member_handler + yield handler.update_membership( + requester, + UserID.from_string(invitee), + room_id, + "invite", txn_id=txn_id, ) else: @@ -694,7 +699,7 @@ class RoomMemberHandler(BaseHandler): address, room_id, inviter, - token_id, + requester.access_token_id, txn_id=txn_id ) @@ -805,7 +810,7 @@ class RoomMemberHandler(BaseHandler): ) ) msg_handler = self.hs.get_handlers().message_handler - yield msg_handler.create_and_send_event( + yield msg_handler.create_and_send_nonmember_event( { "type": EventTypes.ThirdPartyInvite, "content": { diff --git a/synapse/rest/client/v1/room.py b/synapse/rest/client/v1/room.py index d3c1b359a2..179fe9a010 100644 --- a/synapse/rest/client/v1/room.py +++ b/synapse/rest/client/v1/room.py @@ -150,10 +150,21 @@ class RoomStateEventRestServlet(ClientV1RestServlet): event_dict["state_key"] = state_key msg_handler = self.handlers.message_handler - yield msg_handler.create_and_send_event( - event_dict, token_id=requester.access_token_id, txn_id=txn_id, + event, context = yield msg_handler.create_event( + event_dict, + token_id=requester.access_token_id, + txn_id=txn_id, ) + if event_type == EventTypes.Member: + yield self.handlers.room_member_handler.send_membership_event( + event, + context, + is_guest=requester.is_guest, + ) + else: + yield msg_handler.send_nonmember_event(event, context) + defer.returnValue((200, {})) @@ -171,7 +182,7 @@ class RoomSendEventRestServlet(ClientV1RestServlet): content = _parse_json(request) msg_handler = self.handlers.message_handler - event = yield msg_handler.create_and_send_event( + event = yield msg_handler.create_and_send_nonmember_event( { "type": event_type, "content": content, @@ -217,46 +228,29 @@ class JoinRoomAliasServlet(ClientV1RestServlet): allow_guest=True, ) - # the identifier could be a room alias or a room id. Try one then the - # other if it fails to parse, without swallowing other valid - # SynapseErrors. - - identifier = None - is_room_alias = False - try: - identifier = RoomAlias.from_string(room_identifier) - is_room_alias = True - except SynapseError: - identifier = RoomID.from_string(room_identifier) - - # TODO: Support for specifying the home server to join with? - - if is_room_alias: + if RoomID.is_valid(room_identifier): + room_id = room_identifier + room_hosts = None + elif RoomAlias.is_valid(room_identifier): handler = self.handlers.room_member_handler - ret_dict = yield handler.join_room_alias( - requester.user, - identifier, - ) - defer.returnValue((200, ret_dict)) - else: # room id - msg_handler = self.handlers.message_handler - content = {"membership": Membership.JOIN} - if requester.is_guest: - content["kind"] = "guest" - yield msg_handler.create_and_send_event( - { - "type": EventTypes.Member, - "content": content, - "room_id": identifier.to_string(), - "sender": requester.user.to_string(), - "state_key": requester.user.to_string(), - }, - token_id=requester.access_token_id, - txn_id=txn_id, - is_guest=requester.is_guest, - ) + room_alias = RoomAlias.from_string(room_identifier) + room_id, room_hosts = yield handler.lookup_room_alias(room_alias) + room_id = room_id.to_string() + else: + raise SynapseError(400, "%s was not legal room ID or room alias" % ( + room_identifier, + )) + + yield self.handlers.room_member_handler.update_membership( + requester=requester, + target=requester.user, + room_id=room_id, + action="join", + txn_id=txn_id, + room_hosts=room_hosts, + ) - defer.returnValue((200, {"room_id": identifier.to_string()})) + defer.returnValue((200, {"room_id": room_id})) @defer.inlineCallbacks def on_PUT(self, request, room_identifier, txn_id): @@ -451,7 +445,7 @@ class RoomMembershipRestServlet(ClientV1RestServlet): content["medium"], content["address"], content["id_server"], - requester.access_token_id, + requester, txn_id ) defer.returnValue((200, {})) @@ -507,7 +501,7 @@ class RoomRedactEventRestServlet(ClientV1RestServlet): content = _parse_json(request) msg_handler = self.handlers.message_handler - event = yield msg_handler.create_and_send_event( + event = yield msg_handler.create_and_send_nonmember_event( { "type": EventTypes.Redaction, "content": content, diff --git a/synapse/types.py b/synapse/types.py index 2095837ba6..d5bd95cbd3 100644 --- a/synapse/types.py +++ b/synapse/types.py @@ -73,6 +73,14 @@ class DomainSpecificString( """Return a string encoding the fields of the structure object.""" return "%s%s:%s" % (self.SIGIL, self.localpart, self.domain) + @classmethod + def is_valid(cls, s): + try: + cls.from_string(s) + return True + except: + return False + __str__ = to_string @classmethod |