diff --git a/synapse/handlers/message.py b/synapse/handlers/message.py
new file mode 100644
index 0000000000..32548e66fb
--- /dev/null
+++ b/synapse/handlers/message.py
@@ -0,0 +1,301 @@
+# -*- coding: utf-8 -*-
+# Copyright 2014 matrix.org
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+from twisted.internet import defer
+
+from synapse.api.constants import Membership
+from synapse.api.events.room import RoomTopicEvent
+from synapse.api.errors import RoomError
+from synapse.streams.config import PaginationConfig
+from ._base import BaseRoomHandler
+
+import logging
+
+logger = logging.getLogger(__name__)
+
+
+
+class MessageHandler(BaseRoomHandler):
+
+ def __init__(self, hs):
+ super(MessageHandler, self).__init__(hs)
+ self.hs = hs
+ self.clock = hs.get_clock()
+ self.event_factory = hs.get_event_factory()
+
+ @defer.inlineCallbacks
+ def get_message(self, msg_id=None, room_id=None, sender_id=None,
+ user_id=None):
+ """ Retrieve a message.
+
+ Args:
+ msg_id (str): The message ID to obtain.
+ room_id (str): The room where the message resides.
+ sender_id (str): The user ID of the user who sent the message.
+ user_id (str): The user ID of the user making this request.
+ Returns:
+ The message, or None if no message exists.
+ Raises:
+ SynapseError if something went wrong.
+ """
+ yield self.auth.check_joined_room(room_id, user_id)
+
+ # Pull out the message from the db
+# msg = yield self.store.get_message(
+# room_id=room_id,
+# msg_id=msg_id,
+# user_id=sender_id
+# )
+
+ # TODO (erikj): Once we work out the correct c-s api we need to think on how to do this.
+
+ defer.returnValue(None)
+
+ @defer.inlineCallbacks
+ def send_message(self, event=None, suppress_auth=False, stamp_event=True):
+ """ Send a message.
+
+ Args:
+ event : The message event to store.
+ suppress_auth (bool) : True to suppress auth for this message. This
+ is primarily so the home server can inject messages into rooms at
+ will.
+ stamp_event (bool) : True to stamp event content with server keys.
+ Raises:
+ SynapseError if something went wrong.
+ """
+ if stamp_event:
+ event.content["hsob_ts"] = int(self.clock.time_msec())
+
+ snapshot = yield self.store.snapshot_room(event.room_id, event.user_id)
+
+ if not suppress_auth:
+ yield self.auth.check(event, snapshot, raises=True)
+
+ yield self._on_new_room_event(event, snapshot)
+
+ @defer.inlineCallbacks
+ def get_messages(self, user_id=None, room_id=None, pagin_config=None,
+ feedback=False):
+ """Get messages in a room.
+
+ Args:
+ user_id (str): The user requesting messages.
+ 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
+ Returns:
+ dict: Pagination API results
+ """
+ yield self.auth.check_joined_room(room_id, user_id)
+
+ data_source = self.hs.get_event_sources().sources["room"]
+
+ if not pagin_config.from_token:
+ pagin_config.from_token = yield self.hs.get_event_sources().get_current_token()
+
+ user = self.hs.parse_userid(user_id)
+
+ events, next_token = yield data_source.get_pagination_rows(
+ user, pagin_config, room_id
+ )
+
+ chunk = {
+ "chunk": [e.get_dict() for e in events],
+ "start": pagin_config.from_token.to_string(),
+ "end": next_token.to_string(),
+ }
+
+ defer.returnValue(chunk)
+
+ @defer.inlineCallbacks
+ def store_room_data(self, event=None, stamp_event=True):
+ """ Stores data for a room.
+
+ Args:
+ event : The room path event
+ stamp_event (bool) : True to stamp event content with server keys.
+ Raises:
+ SynapseError if something went wrong.
+ """
+
+ snapshot = yield self.store.snapshot_room(event.room_id, event.user_id)
+
+ yield self.auth.check(event, snapshot, raises=True)
+
+ if stamp_event:
+ event.content["hsob_ts"] = int(self.clock.time_msec())
+
+ yield self.state_handler.handle_new_event(event, snapshot)
+
+ yield self._on_new_room_event(event, snapshot)
+
+ @defer.inlineCallbacks
+ def get_room_data(self, user_id=None, room_id=None,
+ event_type=None, state_key="",
+ public_room_rules=[],
+ private_room_rules=["join"]):
+ """ Get data from a room.
+
+ Args:
+ event : The room path event
+ public_room_rules : A list of membership states the user can be in,
+ in order to read this data IN A PUBLIC ROOM. An empty list means
+ 'any state'.
+ private_room_rules : A list of membership states the user can be
+ in, in order to read this data IN A PRIVATE ROOM. An empty list
+ means 'any state'.
+ Returns:
+ The path data content.
+ Raises:
+ SynapseError if something went wrong.
+ """
+ if event_type == RoomTopicEvent.TYPE:
+ # anyone invited/joined can read the topic
+ private_room_rules = ["invite", "join"]
+
+ # does this room exist
+ room = yield self.store.get_room(room_id)
+ if not room:
+ raise RoomError(403, "Room does not exist.")
+
+ # does this user exist in this room
+ member = yield self.store.get_room_member(
+ room_id=room_id,
+ user_id="" if not user_id else user_id)
+
+ member_state = member.membership if member else None
+
+ if room.is_public and public_room_rules:
+ # make sure the user meets public room rules
+ if member_state not in public_room_rules:
+ raise RoomError(403, "Member does not meet public room rules.")
+ elif not room.is_public and private_room_rules:
+ # make sure the user meets private room rules
+ if member_state not in private_room_rules:
+ raise RoomError(
+ 403, "Member does not meet private room rules.")
+
+ data = yield self.store.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 send_feedback(self, event, stamp_event=True):
+ if stamp_event:
+ event.content["hsob_ts"] = int(self.clock.time_msec())
+
+ snapshot = yield self.store.snapshot_room(event.room_id, event.user_id)
+
+ yield self.auth.check(event, snapshot, raises=True)
+
+ # store message in db
+ yield self._on_new_room_event(event, snapshot)
+
+ @defer.inlineCallbacks
+ def snapshot_all_rooms(self, user_id=None, pagin_config=None,
+ feedback=False):
+ """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
+ joined, depending on the pagination config.
+
+ Args:
+ 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.
+ Returns:
+ A list of dicts with "room_id" and "membership" keys for all rooms
+ the user is currently invited or joined in on. Rooms where the user
+ is joined on, may return a "messages" key with messages, depending
+ on the specified PaginationConfig.
+ """
+ room_list = yield self.store.get_rooms_for_user_where_membership_is(
+ user_id=user_id,
+ membership_list=[Membership.INVITE, Membership.JOIN]
+ )
+
+ user = self.hs.parse_userid(user_id)
+
+ rooms_ret = []
+
+ now_token = yield self.hs.get_event_sources().get_current_token()
+
+ presence_stream = self.hs.get_event_sources().sources["presence"]
+ pagination_config = PaginationConfig(from_token=now_token)
+ presence, _ = yield presence_stream.get_pagination_rows(
+ user, pagination_config, None
+ )
+
+ limit = pagin_config.limit
+ if not limit:
+ limit = 10
+
+ for event in room_list:
+ d = {
+ "room_id": event.room_id,
+ "membership": event.membership,
+ }
+
+ if event.membership == Membership.INVITE:
+ d["inviter"] = event.user_id
+
+ rooms_ret.append(d)
+
+ if event.membership != Membership.JOIN:
+ continue
+ try:
+ messages, token = yield self.store.get_recent_events_for_room(
+ event.room_id,
+ limit=limit,
+ end_token=now_token.events_key,
+ )
+
+ d["messages"] = {
+ "chunk": [m.get_dict() for m in messages],
+ "start": token[0],
+ "end": token[1],
+ }
+
+ current_state = yield self.store.get_current_state(
+ event.room_id
+ )
+ d["state"] = [c.get_dict() for c in current_state]
+ except:
+ logger.exception("Failed to get snapshot")
+
+ ret = {
+ "rooms": rooms_ret,
+ "presence": presence,
+ "end": now_token.to_string()
+ }
+
+ defer.returnValue(ret)
+
+
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