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-rw-r--r--synapse/rest/client/v2_alpha/__init__.py2
-rw-r--r--synapse/rest/client/v2_alpha/_base.py2
-rw-r--r--synapse/rest/client/v2_alpha/account.py26
-rw-r--r--synapse/rest/client/v2_alpha/account_data.py14
-rw-r--r--synapse/rest/client/v2_alpha/auth.py2
-rw-r--r--synapse/rest/client/v2_alpha/filter.py12
-rw-r--r--synapse/rest/client/v2_alpha/keys.py18
-rw-r--r--synapse/rest/client/v2_alpha/receipts.py6
-rw-r--r--synapse/rest/client/v2_alpha/register.py23
-rw-r--r--synapse/rest/client/v2_alpha/sync.py172
-rw-r--r--synapse/rest/client/v2_alpha/tags.py18
-rw-r--r--synapse/rest/client/v2_alpha/tokenrefresh.py2
12 files changed, 114 insertions, 183 deletions
diff --git a/synapse/rest/client/v2_alpha/__init__.py b/synapse/rest/client/v2_alpha/__init__.py
index c488b10d3c..bfebb0f644 100644
--- a/synapse/rest/client/v2_alpha/__init__.py
+++ b/synapse/rest/client/v2_alpha/__init__.py
@@ -1,5 +1,5 @@
 # -*- coding: utf-8 -*-
-# Copyright 2014, 2015 OpenMarket Ltd
+# Copyright 2014-2016 OpenMarket Ltd
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/synapse/rest/client/v2_alpha/_base.py b/synapse/rest/client/v2_alpha/_base.py
index 7b8b879c03..24af322126 100644
--- a/synapse/rest/client/v2_alpha/_base.py
+++ b/synapse/rest/client/v2_alpha/_base.py
@@ -1,5 +1,5 @@
 # -*- coding: utf-8 -*-
-# Copyright 2014, 2015 OpenMarket Ltd
+# Copyright 2014-2016 OpenMarket Ltd
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/synapse/rest/client/v2_alpha/account.py b/synapse/rest/client/v2_alpha/account.py
index 3e1459d5b9..a614b79d45 100644
--- a/synapse/rest/client/v2_alpha/account.py
+++ b/synapse/rest/client/v2_alpha/account.py
@@ -1,5 +1,5 @@
 # -*- coding: utf-8 -*-
-# Copyright 2015 OpenMarket Ltd
+# Copyright 2015, 2016 OpenMarket Ltd
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
@@ -55,10 +55,10 @@ class PasswordRestServlet(RestServlet):
 
         if LoginType.PASSWORD in result:
             # if using password, they should also be logged in
-            auth_user, _, _ = yield self.auth.get_user_by_req(request)
-            if auth_user.to_string() != result[LoginType.PASSWORD]:
+            requester = yield self.auth.get_user_by_req(request)
+            user_id = requester.user.to_string()
+            if user_id != result[LoginType.PASSWORD]:
                 raise LoginError(400, "", Codes.UNKNOWN)
-            user_id = auth_user.to_string()
         elif LoginType.EMAIL_IDENTITY in result:
             threepid = result[LoginType.EMAIL_IDENTITY]
             if 'medium' not in threepid or 'address' not in threepid:
@@ -102,10 +102,10 @@ class ThreepidRestServlet(RestServlet):
     def on_GET(self, request):
         yield run_on_reactor()
 
-        auth_user, _, _ = yield self.auth.get_user_by_req(request)
+        requester = yield self.auth.get_user_by_req(request)
 
         threepids = yield self.hs.get_datastore().user_get_threepids(
-            auth_user.to_string()
+            requester.user.to_string()
         )
 
         defer.returnValue((200, {'threepids': threepids}))
@@ -116,11 +116,13 @@ class ThreepidRestServlet(RestServlet):
 
         body = parse_json_dict_from_request(request)
 
-        if 'threePidCreds' not in body:
+        threePidCreds = body.get('threePidCreds')
+        threePidCreds = body.get('three_pid_creds', threePidCreds)
+        if threePidCreds is None:
             raise SynapseError(400, "Missing param", Codes.MISSING_PARAM)
-        threePidCreds = body['threePidCreds']
 
-        auth_user, _, _ = yield self.auth.get_user_by_req(request)
+        requester = yield self.auth.get_user_by_req(request)
+        user_id = requester.user.to_string()
 
         threepid = yield self.identity_handler.threepid_from_creds(threePidCreds)
 
@@ -135,7 +137,7 @@ class ThreepidRestServlet(RestServlet):
                 raise SynapseError(500, "Invalid response from ID Server")
 
         yield self.auth_handler.add_threepid(
-            auth_user.to_string(),
+            user_id,
             threepid['medium'],
             threepid['address'],
             threepid['validated_at'],
@@ -144,10 +146,10 @@ class ThreepidRestServlet(RestServlet):
         if 'bind' in body and body['bind']:
             logger.debug(
                 "Binding emails %s to %s",
-                threepid, auth_user.to_string()
+                threepid, user_id
             )
             yield self.identity_handler.bind_threepid(
-                threePidCreds, auth_user.to_string()
+                threePidCreds, user_id
             )
 
         defer.returnValue((200, {}))
diff --git a/synapse/rest/client/v2_alpha/account_data.py b/synapse/rest/client/v2_alpha/account_data.py
index 5b8f454bf1..1456881c1a 100644
--- a/synapse/rest/client/v2_alpha/account_data.py
+++ b/synapse/rest/client/v2_alpha/account_data.py
@@ -1,5 +1,5 @@
 # -*- coding: utf-8 -*-
-# Copyright 2015 OpenMarket Ltd
+# Copyright 2015, 2016 OpenMarket Ltd
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
@@ -43,8 +43,8 @@ class AccountDataServlet(RestServlet):
 
     @defer.inlineCallbacks
     def on_PUT(self, request, user_id, account_data_type):
-        auth_user, _, _ = yield self.auth.get_user_by_req(request)
-        if user_id != auth_user.to_string():
+        requester = yield self.auth.get_user_by_req(request)
+        if user_id != requester.user.to_string():
             raise AuthError(403, "Cannot add account data for other users.")
 
         try:
@@ -57,7 +57,7 @@ class AccountDataServlet(RestServlet):
             user_id, account_data_type, body
         )
 
-        yield self.notifier.on_new_event(
+        self.notifier.on_new_event(
             "account_data_key", max_id, users=[user_id]
         )
 
@@ -82,8 +82,8 @@ class RoomAccountDataServlet(RestServlet):
 
     @defer.inlineCallbacks
     def on_PUT(self, request, user_id, room_id, account_data_type):
-        auth_user, _, _ = yield self.auth.get_user_by_req(request)
-        if user_id != auth_user.to_string():
+        requester = yield self.auth.get_user_by_req(request)
+        if user_id != requester.user.to_string():
             raise AuthError(403, "Cannot add account data for other users.")
 
         try:
@@ -99,7 +99,7 @@ class RoomAccountDataServlet(RestServlet):
             user_id, room_id, account_data_type, body
         )
 
-        yield self.notifier.on_new_event(
+        self.notifier.on_new_event(
             "account_data_key", max_id, users=[user_id]
         )
 
diff --git a/synapse/rest/client/v2_alpha/auth.py b/synapse/rest/client/v2_alpha/auth.py
index fb5947a141..ff71c40b43 100644
--- a/synapse/rest/client/v2_alpha/auth.py
+++ b/synapse/rest/client/v2_alpha/auth.py
@@ -1,5 +1,5 @@
 # -*- coding: utf-8 -*-
-# Copyright 2015 OpenMarket Ltd
+# Copyright 2015, 2016 OpenMarket Ltd
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/synapse/rest/client/v2_alpha/filter.py b/synapse/rest/client/v2_alpha/filter.py
index 3cd0364b56..7c94f6ec41 100644
--- a/synapse/rest/client/v2_alpha/filter.py
+++ b/synapse/rest/client/v2_alpha/filter.py
@@ -1,5 +1,5 @@
 # -*- coding: utf-8 -*-
-# Copyright 2015 OpenMarket Ltd
+# Copyright 2015, 2016 OpenMarket Ltd
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
@@ -40,9 +40,9 @@ class GetFilterRestServlet(RestServlet):
     @defer.inlineCallbacks
     def on_GET(self, request, user_id, filter_id):
         target_user = UserID.from_string(user_id)
-        auth_user, _, _ = yield self.auth.get_user_by_req(request)
+        requester = yield self.auth.get_user_by_req(request)
 
-        if target_user != auth_user:
+        if target_user != requester.user:
             raise AuthError(403, "Cannot get filters for other users")
 
         if not self.hs.is_mine(target_user):
@@ -59,7 +59,7 @@ class GetFilterRestServlet(RestServlet):
                 filter_id=filter_id,
             )
 
-            defer.returnValue((200, filter.filter_json))
+            defer.returnValue((200, filter.get_filter_json()))
         except KeyError:
             raise SynapseError(400, "No such filter")
 
@@ -76,9 +76,9 @@ class CreateFilterRestServlet(RestServlet):
     @defer.inlineCallbacks
     def on_POST(self, request, user_id):
         target_user = UserID.from_string(user_id)
-        auth_user, _, _ = yield self.auth.get_user_by_req(request)
+        requester = yield self.auth.get_user_by_req(request)
 
-        if target_user != auth_user:
+        if target_user != requester.user:
             raise AuthError(403, "Cannot create filters for other users")
 
         if not self.hs.is_mine(target_user):
diff --git a/synapse/rest/client/v2_alpha/keys.py b/synapse/rest/client/v2_alpha/keys.py
index 753f2988a1..f989b08614 100644
--- a/synapse/rest/client/v2_alpha/keys.py
+++ b/synapse/rest/client/v2_alpha/keys.py
@@ -1,5 +1,5 @@
 # -*- coding: utf-8 -*-
-# Copyright 2015 OpenMarket Ltd
+# Copyright 2015, 2016 OpenMarket Ltd
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
@@ -64,8 +64,8 @@ class KeyUploadServlet(RestServlet):
 
     @defer.inlineCallbacks
     def on_POST(self, request, device_id):
-        auth_user, _, _ = yield self.auth.get_user_by_req(request)
-        user_id = auth_user.to_string()
+        requester = yield self.auth.get_user_by_req(request)
+        user_id = requester.user.to_string()
         # TODO: Check that the device_id matches that in the authentication
         # or derive the device_id from the authentication instead.
         try:
@@ -78,8 +78,8 @@ class KeyUploadServlet(RestServlet):
         device_keys = body.get("device_keys", None)
         if device_keys:
             logger.info(
-                "Updating device_keys for device %r for user %r at %d",
-                device_id, auth_user, time_now
+                "Updating device_keys for device %r for user %s at %d",
+                device_id, user_id, time_now
             )
             # TODO: Sign the JSON with the server key
             yield self.store.set_e2e_device_keys(
@@ -109,8 +109,8 @@ class KeyUploadServlet(RestServlet):
 
     @defer.inlineCallbacks
     def on_GET(self, request, device_id):
-        auth_user, _, _ = yield self.auth.get_user_by_req(request)
-        user_id = auth_user.to_string()
+        requester = yield self.auth.get_user_by_req(request)
+        user_id = requester.user.to_string()
 
         result = yield self.store.count_e2e_one_time_keys(user_id, device_id)
         defer.returnValue((200, {"one_time_key_counts": result}))
@@ -182,8 +182,8 @@ class KeyQueryServlet(RestServlet):
 
     @defer.inlineCallbacks
     def on_GET(self, request, user_id, device_id):
-        auth_user, _, _ = yield self.auth.get_user_by_req(request)
-        auth_user_id = auth_user.to_string()
+        requester = yield self.auth.get_user_by_req(request)
+        auth_user_id = requester.user.to_string()
         user_id = user_id if user_id else auth_user_id
         device_ids = [device_id] if device_id else []
         result = yield self.handle_request(
diff --git a/synapse/rest/client/v2_alpha/receipts.py b/synapse/rest/client/v2_alpha/receipts.py
index aa214e13b6..eb4b369a3d 100644
--- a/synapse/rest/client/v2_alpha/receipts.py
+++ b/synapse/rest/client/v2_alpha/receipts.py
@@ -1,5 +1,5 @@
 # -*- coding: utf-8 -*-
-# Copyright 2015 OpenMarket Ltd
+# Copyright 2015, 2016 OpenMarket Ltd
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
@@ -40,7 +40,7 @@ class ReceiptRestServlet(RestServlet):
 
     @defer.inlineCallbacks
     def on_POST(self, request, room_id, receipt_type, event_id):
-        user, _, _ = yield self.auth.get_user_by_req(request)
+        requester = yield self.auth.get_user_by_req(request)
 
         if receipt_type != "m.read":
             raise SynapseError(400, "Receipt type must be 'm.read'")
@@ -48,7 +48,7 @@ class ReceiptRestServlet(RestServlet):
         yield self.receipts_handler.received_client_receipt(
             room_id,
             receipt_type,
-            user_id=user.to_string(),
+            user_id=requester.user.to_string(),
             event_id=event_id
         )
 
diff --git a/synapse/rest/client/v2_alpha/register.py b/synapse/rest/client/v2_alpha/register.py
index b2b89652c6..ec5c21fa1f 100644
--- a/synapse/rest/client/v2_alpha/register.py
+++ b/synapse/rest/client/v2_alpha/register.py
@@ -1,5 +1,5 @@
 # -*- coding: utf-8 -*-
-# Copyright 2015 OpenMarket Ltd
+# Copyright 2015 - 2016 OpenMarket Ltd
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
@@ -34,7 +34,8 @@ from synapse.util.async import run_on_reactor
 if hasattr(hmac, "compare_digest"):
     compare_digest = hmac.compare_digest
 else:
-    compare_digest = lambda a, b: a == b
+    def compare_digest(a, b):
+        return a == b
 
 
 logger = logging.getLogger(__name__)
@@ -116,11 +117,16 @@ class RegisterRestServlet(RestServlet):
             return
 
         # == Normal User Registration == (everyone else)
-        if self.hs.config.disable_registration:
+        if not self.hs.config.enable_registration:
             raise SynapseError(403, "Registration has been disabled")
 
+        guest_access_token = body.get("guest_access_token", None)
+
         if desired_username is not None:
-            yield self.registration_handler.check_username(desired_username)
+            yield self.registration_handler.check_username(
+                desired_username,
+                guest_access_token=guest_access_token
+            )
 
         if self.hs.config.enable_registration_captcha:
             flows = [
@@ -147,10 +153,12 @@ class RegisterRestServlet(RestServlet):
 
         desired_username = params.get("username", None)
         new_password = params.get("password", None)
+        guest_access_token = params.get("guest_access_token", None)
 
         (user_id, token) = yield self.registration_handler.register(
             localpart=desired_username,
-            password=new_password
+            password=new_password,
+            guest_access_token=guest_access_token,
         )
 
         if result and LoginType.EMAIL_IDENTITY in result:
@@ -253,7 +261,10 @@ class RegisterRestServlet(RestServlet):
     def _do_guest_registration(self):
         if not self.hs.config.allow_guest_access:
             defer.returnValue((403, "Guest access is disabled"))
-        user_id, _ = yield self.registration_handler.register(generate_token=False)
+        user_id, _ = yield self.registration_handler.register(
+            generate_token=False,
+            make_guest=True
+        )
         access_token = self.auth_handler.generate_access_token(user_id, ["guest = true"])
         defer.returnValue((200, {
             "user_id": user_id,
diff --git a/synapse/rest/client/v2_alpha/sync.py b/synapse/rest/client/v2_alpha/sync.py
index 35a70ffad1..140ce2704b 100644
--- a/synapse/rest/client/v2_alpha/sync.py
+++ b/synapse/rest/client/v2_alpha/sync.py
@@ -1,5 +1,5 @@
 # -*- coding: utf-8 -*-
-# Copyright 2015 OpenMarket Ltd
+# Copyright 2015, 2016 OpenMarket Ltd
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
@@ -20,11 +20,10 @@ from synapse.http.servlet import (
 )
 from synapse.handlers.sync import SyncConfig
 from synapse.types import StreamToken
-from synapse.events import FrozenEvent
 from synapse.events.utils import (
     serialize_event, format_event_for_client_v2_without_room_id,
 )
-from synapse.api.filtering import FilterCollection
+from synapse.api.filtering import FilterCollection, DEFAULT_FILTER_COLLECTION
 from synapse.api.errors import SynapseError
 from ._base import client_v2_patterns
 
@@ -85,9 +84,17 @@ class SyncRestServlet(RestServlet):
 
     @defer.inlineCallbacks
     def on_GET(self, request):
-        user, token_id, is_guest = yield self.auth.get_user_by_req(
+        if "from" in request.args:
+            # /events used to use 'from', but /sync uses 'since'.
+            # Lets be helpful and whine if we see a 'from'.
+            raise SynapseError(
+                400, "'from' is not a valid query parameter. Did you mean 'since'?"
+            )
+
+        requester = yield self.auth.get_user_by_req(
             request, allow_guest=True
         )
+        user = requester.user
 
         timeout = parse_integer(request, "timeout", default=0)
         since = parse_string(request, "since")
@@ -105,30 +112,25 @@ class SyncRestServlet(RestServlet):
             )
         )
 
-        if filter_id and filter_id.startswith('{'):
-            try:
-                filter_object = json.loads(filter_id)
-            except:
-                raise SynapseError(400, "Invalid filter JSON")
-            self.filtering._check_valid_filter(filter_object)
-            filter = FilterCollection(filter_object)
-        else:
-            try:
+        if filter_id:
+            if filter_id.startswith('{'):
+                try:
+                    filter_object = json.loads(filter_id)
+                except:
+                    raise SynapseError(400, "Invalid filter JSON")
+                self.filtering.check_valid_filter(filter_object)
+                filter = FilterCollection(filter_object)
+            else:
                 filter = yield self.filtering.get_user_filter(
                     user.localpart, filter_id
                 )
-            except:
-                filter = FilterCollection({})
-
-        if is_guest and filter.list_rooms() is None:
-            raise SynapseError(
-                400, "Guest users must provide a list of rooms in the filter"
-            )
+        else:
+            filter = DEFAULT_FILTER_COLLECTION
 
         sync_config = SyncConfig(
             user=user,
-            is_guest=is_guest,
-            filter=filter,
+            filter_collection=filter,
+            is_guest=requester.is_guest,
         )
 
         if since is not None:
@@ -151,23 +153,21 @@ class SyncRestServlet(RestServlet):
         time_now = self.clock.time_msec()
 
         joined = self.encode_joined(
-            sync_result.joined, filter, time_now, token_id
+            sync_result.joined, time_now, requester.access_token_id
         )
 
         invited = self.encode_invited(
-            sync_result.invited, filter, time_now, token_id
+            sync_result.invited, time_now, requester.access_token_id
         )
 
         archived = self.encode_archived(
-            sync_result.archived, filter, time_now, token_id
+            sync_result.archived, time_now, requester.access_token_id
         )
 
         response_content = {
-            "account_data": self.encode_account_data(
-                sync_result.account_data, filter, time_now
-            ),
+            "account_data": {"events": sync_result.account_data},
             "presence": self.encode_presence(
-                sync_result.presence, filter, time_now
+                sync_result.presence, time_now
             ),
             "rooms": {
                 "join": joined,
@@ -179,24 +179,20 @@ class SyncRestServlet(RestServlet):
 
         defer.returnValue((200, response_content))
 
-    def encode_presence(self, events, filter, time_now):
+    def encode_presence(self, events, time_now):
         formatted = []
         for event in events:
             event = copy.deepcopy(event)
             event['sender'] = event['content'].pop('user_id')
             formatted.append(event)
-        return {"events": filter.filter_presence(formatted)}
-
-    def encode_account_data(self, events, filter, time_now):
-        return {"events": filter.filter_account_data(events)}
+        return {"events": formatted}
 
-    def encode_joined(self, rooms, filter, time_now, token_id):
+    def encode_joined(self, rooms, time_now, token_id):
         """
         Encode the joined rooms in a sync result
 
         :param list[synapse.handlers.sync.JoinedSyncResult] rooms: list of sync
             results for rooms this user is joined to
-        :param FilterCollection filter: filters to apply to the results
         :param int time_now: current time - used as a baseline for age
             calculations
         :param int token_id: ID of the user's auth token - used for namespacing
@@ -208,18 +204,17 @@ class SyncRestServlet(RestServlet):
         joined = {}
         for room in rooms:
             joined[room.room_id] = self.encode_room(
-                room, filter, time_now, token_id
+                room, time_now, token_id
             )
 
         return joined
 
-    def encode_invited(self, rooms, filter, time_now, token_id):
+    def encode_invited(self, rooms, time_now, token_id):
         """
         Encode the invited rooms in a sync result
 
         :param list[synapse.handlers.sync.InvitedSyncResult] rooms: list of
              sync results for rooms this user is joined to
-        :param FilterCollection filter: filters to apply to the results
         :param int time_now: current time - used as a baseline for age
             calculations
         :param int token_id: ID of the user's auth token - used for namespacing
@@ -234,7 +229,9 @@ class SyncRestServlet(RestServlet):
                 room.invite, time_now, token_id=token_id,
                 event_format=format_event_for_client_v2_without_room_id,
             )
-            invited_state = invite.get("unsigned", {}).pop("invite_room_state", [])
+            unsigned = dict(invite.get("unsigned", {}))
+            invite["unsigned"] = unsigned
+            invited_state = list(unsigned.pop("invite_room_state", []))
             invited_state.append(invite)
             invited[room.room_id] = {
                 "invite_state": {"events": invited_state}
@@ -242,13 +239,12 @@ class SyncRestServlet(RestServlet):
 
         return invited
 
-    def encode_archived(self, rooms, filter, time_now, token_id):
+    def encode_archived(self, rooms, time_now, token_id):
         """
         Encode the archived rooms in a sync result
 
         :param list[synapse.handlers.sync.ArchivedSyncResult] rooms: list of
              sync results for rooms this user is joined to
-        :param FilterCollection filter: filters to apply to the results
         :param int time_now: current time - used as a baseline for age
             calculations
         :param int token_id: ID of the user's auth token - used for namespacing
@@ -260,17 +256,16 @@ class SyncRestServlet(RestServlet):
         joined = {}
         for room in rooms:
             joined[room.room_id] = self.encode_room(
-                room, filter, time_now, token_id, joined=False
+                room, time_now, token_id, joined=False
             )
 
         return joined
 
     @staticmethod
-    def encode_room(room, filter, time_now, token_id, joined=True):
+    def encode_room(room, time_now, token_id, joined=True):
         """
         :param JoinedSyncResult|ArchivedSyncResult room: sync result for a
             single room
-        :param FilterCollection filter: filters to apply to the results
         :param int time_now: current time - used as a baseline for age
             calculations
         :param int token_id: ID of the user's auth token - used for namespacing
@@ -289,19 +284,14 @@ class SyncRestServlet(RestServlet):
             )
 
         state_dict = room.state
-        timeline_events = filter.filter_room_timeline(room.timeline.events)
-
-        state_dict = SyncRestServlet._rollback_state_for_timeline(
-            state_dict, timeline_events)
+        timeline_events = room.timeline.events
 
-        state_events = filter.filter_room_state(state_dict.values())
+        state_events = state_dict.values()
 
         serialized_state = [serialize(e) for e in state_events]
         serialized_timeline = [serialize(e) for e in timeline_events]
 
-        account_data = filter.filter_room_account_data(
-            room.account_data
-        )
+        account_data = room.account_data
 
         result = {
             "timeline": {
@@ -314,81 +304,9 @@ class SyncRestServlet(RestServlet):
         }
 
         if joined:
-            ephemeral_events = filter.filter_room_ephemeral(room.ephemeral)
+            ephemeral_events = room.ephemeral
             result["ephemeral"] = {"events": ephemeral_events}
-
-        return result
-
-    @staticmethod
-    def _rollback_state_for_timeline(state, timeline):
-        """
-        Wind the state dictionary backwards, so that it represents the
-        state at the start of the timeline, rather than at the end.
-
-        :param dict[(str, str), synapse.events.EventBase] state: the
-            state dictionary. Will be updated to the state before the timeline.
-        :param list[synapse.events.EventBase] timeline: the event timeline
-        :return: updated state dictionary
-        """
-        logger.debug("Processing state dict %r; timeline %r", state,
-                     [e.get_dict() for e in timeline])
-
-        result = state.copy()
-
-        for timeline_event in reversed(timeline):
-            if not timeline_event.is_state():
-                continue
-
-            event_key = (timeline_event.type, timeline_event.state_key)
-
-            logger.debug("Considering %s for removal", event_key)
-
-            state_event = result.get(event_key)
-            if (state_event is None or
-                    state_event.event_id != timeline_event.event_id):
-                # the event in the timeline isn't present in the state
-                # dictionary.
-                #
-                # the most likely cause for this is that there was a fork in
-                # the event graph, and the state is no longer valid. Really,
-                # the event shouldn't be in the timeline. We're going to ignore
-                # it for now, however.
-                logger.warn("Found state event %r in timeline which doesn't "
-                            "match state dictionary", timeline_event)
-                continue
-
-            prev_event_id = timeline_event.unsigned.get("replaces_state", None)
-
-            prev_content = timeline_event.unsigned.get('prev_content')
-            prev_sender = timeline_event.unsigned.get('prev_sender')
-            # Empircally it seems possible for the event to have a
-            # "replaces_state" key but not a prev_content or prev_sender
-            # markjh conjectures that it could be due to the server not
-            # having a copy of that event.
-            # If this is the case the we ignore the previous event. This will
-            # cause the displayname calculations on the client to be incorrect
-            if prev_event_id is None or not prev_content or not prev_sender:
-                logger.debug(
-                    "Removing %r from the state dict, as it is missing"
-                    " prev_content (prev_event_id=%r)",
-                    timeline_event.event_id, prev_event_id
-                )
-                del result[event_key]
-            else:
-                logger.debug(
-                    "Replacing %r with %r in state dict",
-                    timeline_event.event_id, prev_event_id
-                )
-                result[event_key] = FrozenEvent({
-                    "type": timeline_event.type,
-                    "state_key": timeline_event.state_key,
-                    "content": prev_content,
-                    "sender": prev_sender,
-                    "event_id": prev_event_id,
-                    "room_id": timeline_event.room_id,
-                })
-
-            logger.debug("New value: %r", result.get(event_key))
+            result["unread_notifications"] = room.unread_notifications
 
         return result
 
diff --git a/synapse/rest/client/v2_alpha/tags.py b/synapse/rest/client/v2_alpha/tags.py
index b5d0db5569..79c436a8cf 100644
--- a/synapse/rest/client/v2_alpha/tags.py
+++ b/synapse/rest/client/v2_alpha/tags.py
@@ -1,5 +1,5 @@
 # -*- coding: utf-8 -*-
-# Copyright 2015 OpenMarket Ltd
+# Copyright 2015, 2016 OpenMarket Ltd
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
@@ -42,8 +42,8 @@ class TagListServlet(RestServlet):
 
     @defer.inlineCallbacks
     def on_GET(self, request, user_id, room_id):
-        auth_user, _, _ = yield self.auth.get_user_by_req(request)
-        if user_id != auth_user.to_string():
+        requester = yield self.auth.get_user_by_req(request)
+        if user_id != requester.user.to_string():
             raise AuthError(403, "Cannot get tags for other users.")
 
         tags = yield self.store.get_tags_for_room(user_id, room_id)
@@ -68,8 +68,8 @@ class TagServlet(RestServlet):
 
     @defer.inlineCallbacks
     def on_PUT(self, request, user_id, room_id, tag):
-        auth_user, _, _ = yield self.auth.get_user_by_req(request)
-        if user_id != auth_user.to_string():
+        requester = yield self.auth.get_user_by_req(request)
+        if user_id != requester.user.to_string():
             raise AuthError(403, "Cannot add tags for other users.")
 
         try:
@@ -80,7 +80,7 @@ class TagServlet(RestServlet):
 
         max_id = yield self.store.add_tag_to_room(user_id, room_id, tag, body)
 
-        yield self.notifier.on_new_event(
+        self.notifier.on_new_event(
             "account_data_key", max_id, users=[user_id]
         )
 
@@ -88,13 +88,13 @@ class TagServlet(RestServlet):
 
     @defer.inlineCallbacks
     def on_DELETE(self, request, user_id, room_id, tag):
-        auth_user, _, _ = yield self.auth.get_user_by_req(request)
-        if user_id != auth_user.to_string():
+        requester = yield self.auth.get_user_by_req(request)
+        if user_id != requester.user.to_string():
             raise AuthError(403, "Cannot add tags for other users.")
 
         max_id = yield self.store.remove_tag_from_room(user_id, room_id, tag)
 
-        yield self.notifier.on_new_event(
+        self.notifier.on_new_event(
             "account_data_key", max_id, users=[user_id]
         )
 
diff --git a/synapse/rest/client/v2_alpha/tokenrefresh.py b/synapse/rest/client/v2_alpha/tokenrefresh.py
index 5a63afd51e..3553f6b040 100644
--- a/synapse/rest/client/v2_alpha/tokenrefresh.py
+++ b/synapse/rest/client/v2_alpha/tokenrefresh.py
@@ -1,5 +1,5 @@
 # -*- coding: utf-8 -*-
-# Copyright 2015 OpenMarket Ltd
+# Copyright 2015, 2016 OpenMarket Ltd
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.