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-rw-r--r--synapse/handlers/profile.py5
-rw-r--r--synapse/handlers/room_member.py287
-rw-r--r--synapse/handlers/room_member_worker.py102
3 files changed, 293 insertions, 101 deletions
diff --git a/synapse/handlers/profile.py b/synapse/handlers/profile.py
index cb710fe796..3465a787ab 100644
--- a/synapse/handlers/profile.py
+++ b/synapse/handlers/profile.py
@@ -38,7 +38,10 @@ class ProfileHandler(BaseHandler):
 
         self.user_directory_handler = hs.get_user_directory_handler()
 
-        self.clock.looping_call(self._update_remote_profile_cache, self.PROFILE_UPDATE_MS)
+        if hs.config.worker_app is None:
+            self.clock.looping_call(
+                self._update_remote_profile_cache, self.PROFILE_UPDATE_MS,
+            )
 
     @defer.inlineCallbacks
     def get_profile(self, user_id):
diff --git a/synapse/handlers/room_member.py b/synapse/handlers/room_member.py
index 0127cf4166..9977be8831 100644
--- a/synapse/handlers/room_member.py
+++ b/synapse/handlers/room_member.py
@@ -14,7 +14,7 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-
+import abc
 import logging
 
 from signedjson.key import decode_verify_key_bytes
@@ -31,6 +31,7 @@ from synapse.types import UserID, RoomID
 from synapse.util.async import Linearizer
 from synapse.util.distributor import user_left_room, user_joined_room
 
+
 logger = logging.getLogger(__name__)
 
 id_server_scheme = "https://"
@@ -42,6 +43,8 @@ class RoomMemberHandler(object):
     #   API that takes ID strings and returns pagination chunks. These concerns
     #   ought to be separated out a lot better.
 
+    __metaclass__ = abc.ABCMeta
+
     def __init__(self, hs):
         self.hs = hs
         self.store = hs.get_datastore()
@@ -61,9 +64,87 @@ class RoomMemberHandler(object):
         self.clock = hs.get_clock()
         self.spam_checker = hs.get_spam_checker()
 
-        self.distributor = hs.get_distributor()
-        self.distributor.declare("user_joined_room")
-        self.distributor.declare("user_left_room")
+    @abc.abstractmethod
+    def _remote_join(self, requester, remote_room_hosts, room_id, user, content):
+        """Try and join a room that this server is not in
+
+        Args:
+            requester (Requester)
+            remote_room_hosts (list[str]): List of servers that can be used
+                to join via.
+            room_id (str): Room that we are trying to join
+            user (UserID): User who is trying to join
+            content (dict): A dict that should be used as the content of the
+                join event.
+
+        Returns:
+            Deferred
+        """
+        raise NotImplementedError()
+
+    @abc.abstractmethod
+    def _remote_reject_invite(self, remote_room_hosts, room_id, target):
+        """Attempt to reject an invite for a room this server is not in. If we
+        fail to do so we locally mark the invite as rejected.
+
+        Args:
+            requester (Requester)
+            remote_room_hosts (list[str]): List of servers to use to try and
+                reject invite
+            room_id (str)
+            target (UserID): The user rejecting the invite
+
+        Returns:
+            Deferred[dict]: A dictionary to be returned to the client, may
+            include event_id etc, or nothing if we locally rejected
+        """
+        raise NotImplementedError()
+
+    @abc.abstractmethod
+    def get_or_register_3pid_guest(self, requester, medium, address, inviter_user_id):
+        """Get a guest access token for a 3PID, creating a guest account if
+        one doesn't already exist.
+
+        Args:
+            requester (Requester)
+            medium (str)
+            address (str)
+            inviter_user_id (str): The user ID who is trying to invite the
+                3PID
+
+        Returns:
+            Deferred[(str, str)]: A 2-tuple of `(user_id, access_token)` of the
+            3PID guest account.
+        """
+        raise NotImplementedError()
+
+    @abc.abstractmethod
+    def _user_joined_room(self, target, room_id):
+        """Notifies distributor on master process that the user has joined the
+        room.
+
+        Args:
+            target (UserID)
+            room_id (str)
+
+        Returns:
+            Deferred|None
+        """
+        raise NotImplementedError()
+
+    @abc.abstractmethod
+    def _user_left_room(self, target, room_id):
+        """Notifies distributor on master process that the user has left the
+        room.
+
+        Args:
+            target (UserID)
+            room_id (str)
+
+        Returns:
+            Deferred|None
+        """
+        raise NotImplementedError()
 
     @defer.inlineCallbacks
     def _local_membership_update(
@@ -127,83 +208,16 @@ class RoomMemberHandler(object):
                 prev_member_event = yield self.store.get_event(prev_member_event_id)
                 newly_joined = prev_member_event.membership != Membership.JOIN
             if newly_joined:
-                yield user_joined_room(self.distributor, target, room_id)
+                yield self._user_joined_room(target, room_id)
         elif event.membership == Membership.LEAVE:
             if prev_member_event_id:
                 prev_member_event = yield self.store.get_event(prev_member_event_id)
                 if prev_member_event.membership == Membership.JOIN:
-                    user_left_room(self.distributor, target, room_id)
+                    yield self._user_left_room(target, room_id)
 
         defer.returnValue(event)
 
     @defer.inlineCallbacks
-    def _remote_join(self, remote_room_hosts, room_id, user, content):
-        """Try and join a room that this server is not in
-
-        Args:
-            remote_room_hosts (list[str]): List of servers that can be used
-                to join via.
-            room_id (str): Room that we are trying to join
-            user (UserID): User who is trying to join
-            content (dict): A dict that should be used as the content of the
-                join event.
-
-        Returns:
-            Deferred
-        """
-        if len(remote_room_hosts) == 0:
-            raise SynapseError(404, "No known servers")
-
-        # 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.
-        yield self.federation_handler.do_invite_join(
-            remote_room_hosts,
-            room_id,
-            user.to_string(),
-            content,
-        )
-        yield user_joined_room(self.distributor, user, room_id)
-
-    @defer.inlineCallbacks
-    def _remote_reject_invite(self, remote_room_hosts, room_id, target):
-        """Attempt to reject an invite for a room this server is not in. If we
-        fail to do so we locally mark the invite as rejected.
-
-        Args:
-            remote_room_hosts (list[str]): List of servers to use to try and
-                reject invite
-            room_id (str)
-            target (UserID): The user rejecting the invite
-
-        Returns:
-            Deferred[dict]: A dictionary to be returned to the client, may
-            include event_id etc, or nothing if we locally rejected
-        """
-        fed_handler = self.federation_handler
-        try:
-            ret = yield fed_handler.do_remotely_reject_invite(
-                remote_room_hosts,
-                room_id,
-                target.to_string(),
-            )
-            defer.returnValue(ret)
-        except Exception as e:
-            # if we were unable to reject the exception, just mark
-            # it as rejected on our end and plough ahead.
-            #
-            # The 'except' clause is very broad, but we need to
-            # capture everything from DNS failures upwards
-            #
-            logger.warn("Failed to reject invite: %s", e)
-
-            yield self.store.locally_reject_invite(
-                target.to_string(), room_id
-            )
-            defer.returnValue({})
-
-    @defer.inlineCallbacks
     def update_membership(
             self,
             requester,
@@ -356,7 +370,7 @@ class RoomMemberHandler(object):
                     content["kind"] = "guest"
 
                 ret = yield self._remote_join(
-                    remote_room_hosts, room_id, target, content
+                    requester, remote_room_hosts, room_id, target, content
                 )
                 defer.returnValue(ret)
 
@@ -378,7 +392,7 @@ class RoomMemberHandler(object):
                     # send the rejection to the inviter's HS.
                     remote_room_hosts = remote_room_hosts + [inviter.domain]
                     res = yield self._remote_reject_invite(
-                        remote_room_hosts, room_id, target,
+                        requester, remote_room_hosts, room_id, target,
                     )
                     defer.returnValue(res)
 
@@ -476,12 +490,12 @@ class RoomMemberHandler(object):
                 prev_member_event = yield self.store.get_event(prev_member_event_id)
                 newly_joined = prev_member_event.membership != Membership.JOIN
             if newly_joined:
-                yield user_joined_room(self.distributor, target_user, room_id)
+                yield self._user_joined_room(target_user, room_id)
         elif event.membership == Membership.LEAVE:
             if prev_member_event_id:
                 prev_member_event = yield self.store.get_event(prev_member_event_id)
                 if prev_member_event.membership == Membership.JOIN:
-                    user_left_room(self.distributor, target_user, room_id)
+                    yield self._user_left_room(target_user, room_id)
 
     @defer.inlineCallbacks
     def _can_guest_join(self, current_state_ids):
@@ -672,6 +686,7 @@ class RoomMemberHandler(object):
 
         token, public_keys, fallback_public_key, display_name = (
             yield self._ask_id_server_for_third_party_invite(
+                requester=requester,
                 id_server=id_server,
                 medium=medium,
                 address=address,
@@ -708,6 +723,7 @@ class RoomMemberHandler(object):
     @defer.inlineCallbacks
     def _ask_id_server_for_third_party_invite(
             self,
+            requester,
             id_server,
             medium,
             address,
@@ -724,6 +740,7 @@ class RoomMemberHandler(object):
         Asks an identity server for a third party invite.
 
         Args:
+            requester (Requester)
             id_server (str): hostname + optional port for the identity server.
             medium (str): The literal string "email".
             address (str): The third party address being invited.
@@ -766,8 +783,8 @@ class RoomMemberHandler(object):
         }
 
         if self.config.invite_3pid_guest:
-            rh = self.registration_handler
-            guest_user_id, guest_access_token = yield rh.get_or_register_3pid_guest(
+            guest_access_token, guest_user_id = yield self.get_or_register_3pid_guest(
+                requester=requester,
                 medium=medium,
                 address=address,
                 inviter_user_id=inviter_user_id,
@@ -801,27 +818,6 @@ class RoomMemberHandler(object):
         defer.returnValue((token, public_keys, fallback_public_key, display_name))
 
     @defer.inlineCallbacks
-    def forget(self, user, room_id):
-        user_id = user.to_string()
-
-        member = yield self.state_handler.get_current_state(
-            room_id=room_id,
-            event_type=EventTypes.Member,
-            state_key=user_id
-        )
-        membership = member.membership if member else None
-
-        if membership is not None and membership not in [
-            Membership.LEAVE, Membership.BAN
-        ]:
-            raise SynapseError(400, "User %s in room %s" % (
-                user_id, room_id
-            ))
-
-        if membership:
-            yield self.store.forget(user_id, room_id)
-
-    @defer.inlineCallbacks
     def _is_host_in_room(self, current_state_ids):
         # Have we just created the room, and is this about to be the very
         # first member event?
@@ -842,3 +838,94 @@ class RoomMemberHandler(object):
                 defer.returnValue(True)
 
         defer.returnValue(False)
+
+
+class RoomMemberMasterHandler(RoomMemberHandler):
+    def __init__(self, hs):
+        super(RoomMemberMasterHandler, self).__init__(hs)
+
+        self.distributor = hs.get_distributor()
+        self.distributor.declare("user_joined_room")
+        self.distributor.declare("user_left_room")
+
+    @defer.inlineCallbacks
+    def _remote_join(self, requester, remote_room_hosts, room_id, user, content):
+        """Implements RoomMemberHandler._remote_join
+        """
+        if len(remote_room_hosts) == 0:
+            raise SynapseError(404, "No known servers")
+
+        # 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.
+        yield self.federation_handler.do_invite_join(
+            remote_room_hosts,
+            room_id,
+            user.to_string(),
+            content,
+        )
+        yield self._user_joined_room(user, room_id)
+
+    @defer.inlineCallbacks
+    def _remote_reject_invite(self, requester, remote_room_hosts, room_id, target):
+        """Implements RoomMemberHandler._remote_reject_invite
+        """
+        fed_handler = self.federation_handler
+        try:
+            ret = yield fed_handler.do_remotely_reject_invite(
+                remote_room_hosts,
+                room_id,
+                target.to_string(),
+            )
+            defer.returnValue(ret)
+        except Exception as e:
+            # if we were unable to reject the exception, just mark
+            # it as rejected on our end and plough ahead.
+            #
+            # The 'except' clause is very broad, but we need to
+            # capture everything from DNS failures upwards
+            #
+            logger.warn("Failed to reject invite: %s", e)
+
+            yield self.store.locally_reject_invite(
+                target.to_string(), room_id
+            )
+            defer.returnValue({})
+
+    def get_or_register_3pid_guest(self, requester, medium, address, inviter_user_id):
+        """Implements RoomMemberHandler.get_or_register_3pid_guest
+        """
+        rg = self.registration_handler
+        return rg.get_or_register_3pid_guest(medium, address, inviter_user_id)
+
+    def _user_joined_room(self, target, room_id):
+        """Implements RoomMemberHandler._user_joined_room
+        """
+        return user_joined_room(self.distributor, target, room_id)
+
+    def _user_left_room(self, target, room_id):
+        """Implements RoomMemberHandler._user_left_room
+        """
+        return user_left_room(self.distributor, target, room_id)
+
+    @defer.inlineCallbacks
+    def forget(self, user, room_id):
+        user_id = user.to_string()
+
+        member = yield self.state_handler.get_current_state(
+            room_id=room_id,
+            event_type=EventTypes.Member,
+            state_key=user_id
+        )
+        membership = member.membership if member else None
+
+        if membership is not None and membership not in [
+            Membership.LEAVE, Membership.BAN
+        ]:
+            raise SynapseError(400, "User %s in room %s" % (
+                user_id, room_id
+            ))
+
+        if membership:
+            yield self.store.forget(user_id, room_id)
diff --git a/synapse/handlers/room_member_worker.py b/synapse/handlers/room_member_worker.py
new file mode 100644
index 0000000000..493aec1e48
--- /dev/null
+++ b/synapse/handlers/room_member_worker.py
@@ -0,0 +1,102 @@
+# -*- coding: utf-8 -*-
+# Copyright 2018 New Vector Ltd
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+import logging
+
+from twisted.internet import defer
+
+from synapse.api.errors import SynapseError
+from synapse.handlers.room_member import RoomMemberHandler
+from synapse.replication.http.membership import (
+    remote_join, remote_reject_invite, get_or_register_3pid_guest,
+    notify_user_membership_change,
+)
+
+
+logger = logging.getLogger(__name__)
+
+
+class RoomMemberWorkerHandler(RoomMemberHandler):
+    @defer.inlineCallbacks
+    def _remote_join(self, requester, remote_room_hosts, room_id, user, content):
+        """Implements RoomMemberHandler._remote_join
+        """
+        if len(remote_room_hosts) == 0:
+            raise SynapseError(404, "No known servers")
+
+        ret = yield remote_join(
+            self.simple_http_client,
+            host=self.config.worker_replication_host,
+            port=self.config.worker_replication_http_port,
+            requester=requester,
+            remote_room_hosts=remote_room_hosts,
+            room_id=room_id,
+            user_id=user.to_string(),
+            content=content,
+        )
+
+        yield self._user_joined_room(user, room_id)
+
+        defer.returnValue(ret)
+
+    def _remote_reject_invite(self, requester, remote_room_hosts, room_id, target):
+        """Implements RoomMemberHandler._remote_reject_invite
+        """
+        return remote_reject_invite(
+            self.simple_http_client,
+            host=self.config.worker_replication_host,
+            port=self.config.worker_replication_http_port,
+            requester=requester,
+            remote_room_hosts=remote_room_hosts,
+            room_id=room_id,
+            user_id=target.to_string(),
+        )
+
+    def _user_joined_room(self, target, room_id):
+        """Implements RoomMemberHandler._user_joined_room
+        """
+        return notify_user_membership_change(
+            self.simple_http_client,
+            host=self.config.worker_replication_host,
+            port=self.config.worker_replication_http_port,
+            user_id=target.to_string(),
+            room_id=room_id,
+            change="joined",
+        )
+
+    def _user_left_room(self, target, room_id):
+        """Implements RoomMemberHandler._user_left_room
+        """
+        return notify_user_membership_change(
+            self.simple_http_client,
+            host=self.config.worker_replication_host,
+            port=self.config.worker_replication_http_port,
+            user_id=target.to_string(),
+            room_id=room_id,
+            change="left",
+        )
+
+    def get_or_register_3pid_guest(self, requester, medium, address, inviter_user_id):
+        """Implements RoomMemberHandler.get_or_register_3pid_guest
+        """
+        return get_or_register_3pid_guest(
+            self.simple_http_client,
+            host=self.config.worker_replication_host,
+            port=self.config.worker_replication_http_port,
+            requester=requester,
+            medium=medium,
+            address=address,
+            inviter_user_id=inviter_user_id,
+        )