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-rw-r--r--synapse/api/auth.py2
-rw-r--r--synapse/events/utils.py16
-rw-r--r--synapse/federation/transport/server.py2
-rw-r--r--synapse/handlers/message.py25
-rw-r--r--synapse/handlers/presence.py2
-rw-r--r--synapse/handlers/search.py140
-rw-r--r--synapse/http/server.py13
-rw-r--r--synapse/http/servlet.py8
-rw-r--r--synapse/rest/client/v1/admin.py4
-rw-r--r--synapse/rest/client/v1/base.py10
-rw-r--r--synapse/rest/client/v1/directory.py4
-rw-r--r--synapse/rest/client/v1/events.py6
-rw-r--r--synapse/rest/client/v1/initial_sync.py4
-rw-r--r--synapse/rest/client/v1/login.py12
-rw-r--r--synapse/rest/client/v1/presence.py8
-rw-r--r--synapse/rest/client/v1/profile.py8
-rw-r--r--synapse/rest/client/v1/push_rule.py4
-rw-r--r--synapse/rest/client/v1/pusher.py4
-rw-r--r--synapse/rest/client/v1/register.py4
-rw-r--r--synapse/rest/client/v1/room.py90
-rw-r--r--synapse/rest/client/v1/voip.py4
-rw-r--r--synapse/rest/client/v2_alpha/_base.py10
-rw-r--r--synapse/rest/client/v2_alpha/account.py6
-rw-r--r--synapse/rest/client/v2_alpha/auth.py4
-rw-r--r--synapse/rest/client/v2_alpha/filter.py6
-rw-r--r--synapse/rest/client/v2_alpha/keys.py14
-rw-r--r--synapse/rest/client/v2_alpha/receipts.py4
-rw-r--r--synapse/rest/client/v2_alpha/register.py4
-rw-r--r--synapse/rest/client/v2_alpha/sync.py4
-rw-r--r--synapse/rest/client/v2_alpha/tags.py6
-rw-r--r--synapse/rest/client/v2_alpha/tokenrefresh.py4
-rw-r--r--synapse/storage/events.py77
-rw-r--r--synapse/storage/roommember.py2
-rw-r--r--synapse/storage/schema/delta/26/forgotten_memberships.sql4
-rw-r--r--synapse/storage/schema/delta/26/ts.py57
-rw-r--r--synapse/storage/search.py162
36 files changed, 494 insertions, 240 deletions
diff --git a/synapse/api/auth.py b/synapse/api/auth.py
index 4fdc779b4b..b9c3e6d2c4 100644
--- a/synapse/api/auth.py
+++ b/synapse/api/auth.py
@@ -860,7 +860,7 @@ class Auth(object):
 
         redact_level = self._get_named_level(auth_events, "redact", 50)
 
-        if user_level > redact_level:
+        if user_level >= redact_level:
             return False
 
         redacter_domain = EventID.from_string(event.event_id).domain
diff --git a/synapse/events/utils.py b/synapse/events/utils.py
index 44cc1ef132..e634b149ba 100644
--- a/synapse/events/utils.py
+++ b/synapse/events/utils.py
@@ -100,22 +100,20 @@ def format_event_raw(d):
 
 
 def format_event_for_client_v1(d):
-    d["user_id"] = d.pop("sender", None)
+    d = format_event_for_client_v2(d)
+
+    sender = d.get("sender")
+    if sender is not None:
+        d["user_id"] = sender
 
-    move_keys = (
+    copy_keys = (
         "age", "redacted_because", "replaces_state", "prev_content",
         "invite_room_state",
     )
-    for key in move_keys:
+    for key in copy_keys:
         if key in d["unsigned"]:
             d[key] = d["unsigned"][key]
 
-    drop_keys = (
-        "auth_events", "prev_events", "hashes", "signatures", "depth",
-        "unsigned", "origin", "prev_state"
-    )
-    for key in drop_keys:
-        d.pop(key, None)
     return d
 
 
diff --git a/synapse/federation/transport/server.py b/synapse/federation/transport/server.py
index 127b4da4f8..6b164fd2d1 100644
--- a/synapse/federation/transport/server.py
+++ b/synapse/federation/transport/server.py
@@ -165,7 +165,7 @@ class BaseFederationServlet(object):
             if code is None:
                 continue
 
-            server.register_path(method, pattern, self._wrap(code))
+            server.register_paths(method, (pattern,), self._wrap(code))
 
 
 class FederationSendServlet(BaseFederationServlet):
diff --git a/synapse/handlers/message.py b/synapse/handlers/message.py
index 2e7d0d7f82..64c57375f7 100644
--- a/synapse/handlers/message.py
+++ b/synapse/handlers/message.py
@@ -588,23 +588,28 @@ class MessageHandler(BaseHandler):
 
         @defer.inlineCallbacks
         def get_presence():
-            states = {}
-            if not is_guest:
-                states = yield presence_handler.get_states(
-                    target_users=[UserID.from_string(m.user_id) for m in room_members],
-                    auth_user=auth_user,
-                    as_event=True,
-                    check_auth=False,
-                )
+            states = yield presence_handler.get_states(
+                target_users=[UserID.from_string(m.user_id) for m in room_members],
+                auth_user=auth_user,
+                as_event=True,
+                check_auth=False,
+            )
 
             defer.returnValue(states.values())
 
-        receipts_handler = self.hs.get_handlers().receipts_handler
+        @defer.inlineCallbacks
+        def get_receipts():
+            receipts_handler = self.hs.get_handlers().receipts_handler
+            receipts = yield receipts_handler.get_receipts_for_room(
+                room_id,
+                now_token.receipt_key
+            )
+            defer.returnValue(receipts)
 
         presence, receipts, (messages, token) = yield defer.gatherResults(
             [
                 get_presence(),
-                receipts_handler.get_receipts_for_room(room_id, now_token.receipt_key),
+                get_receipts(),
                 self.store.get_recent_events_for_room(
                     room_id,
                     limit=limit,
diff --git a/synapse/handlers/presence.py b/synapse/handlers/presence.py
index aca65096fc..e95e821c9a 100644
--- a/synapse/handlers/presence.py
+++ b/synapse/handlers/presence.py
@@ -467,7 +467,7 @@ class PresenceHandler(BaseHandler):
             )
 
     @defer.inlineCallbacks
-    def send_invite(self, observer_user, observed_user):
+    def send_presence_invite(self, observer_user, observed_user):
         """Request the presence of a local or remote user for a local user"""
         if not self.hs.is_mine(observer_user):
             raise SynapseError(400, "User is not hosted on this Home Server")
diff --git a/synapse/handlers/search.py b/synapse/handlers/search.py
index 50688e51a8..df6390cf05 100644
--- a/synapse/handlers/search.py
+++ b/synapse/handlers/search.py
@@ -131,6 +131,17 @@ class SearchHandler(BaseHandler):
         if batch_group == "room_id":
             room_ids.intersection_update({batch_group_key})
 
+        if not room_ids:
+            defer.returnValue({
+                "search_categories": {
+                    "room_events": {
+                        "results": {},
+                        "count": 0,
+                        "highlights": [],
+                    }
+                }
+            })
+
         rank_map = {}  # event_id -> rank of event
         allowed_events = []
         room_groups = {}  # Holds result of grouping by room, if applicable
@@ -139,11 +150,18 @@ class SearchHandler(BaseHandler):
         # Holds the next_batch for the entire result set if one of those exists
         global_next_batch = None
 
+        highlights = set()
+
         if order_by == "rank":
-            results = yield self.store.search_msgs(
+            search_result = yield self.store.search_msgs(
                 room_ids, search_term, keys
             )
 
+            if search_result["highlights"]:
+                highlights.update(search_result["highlights"])
+
+            results = search_result["results"]
+
             results_map = {r["event"].event_id: r for r in results}
 
             rank_map.update({r["event"].event_id: r["rank"] for r in results})
@@ -171,80 +189,67 @@ class SearchHandler(BaseHandler):
                 s["results"].append(e.event_id)
 
         elif order_by == "recent":
-            # In this case we specifically loop through each room as the given
-            # limit applies to each room, rather than a global list.
-            # This is not necessarilly a good idea.
-            for room_id in room_ids:
-                room_events = []
-                if batch_group == "room_id" and batch_group_key == room_id:
-                    pagination_token = batch_token
-                else:
-                    pagination_token = None
-                i = 0
-
-                # We keep looping and we keep filtering until we reach the limit
-                # or we run out of things.
-                # But only go around 5 times since otherwise synapse will be sad.
-                while len(room_events) < search_filter.limit() and i < 5:
-                    i += 1
-                    results = yield self.store.search_room(
-                        room_id, search_term, keys, search_filter.limit() * 2,
-                        pagination_token=pagination_token,
-                    )
+            room_events = []
+            i = 0
+
+            pagination_token = batch_token
+
+            # We keep looping and we keep filtering until we reach the limit
+            # or we run out of things.
+            # But only go around 5 times since otherwise synapse will be sad.
+            while len(room_events) < search_filter.limit() and i < 5:
+                i += 1
+                search_result = yield self.store.search_rooms(
+                    room_ids, search_term, keys, search_filter.limit() * 2,
+                    pagination_token=pagination_token,
+                )
 
-                    results_map = {r["event"].event_id: r for r in results}
+                if search_result["highlights"]:
+                    highlights.update(search_result["highlights"])
 
-                    rank_map.update({r["event"].event_id: r["rank"] for r in results})
+                results = search_result["results"]
 
-                    filtered_events = search_filter.filter([
-                        r["event"] for r in results
-                    ])
+                results_map = {r["event"].event_id: r for r in results}
 
-                    events = yield self._filter_events_for_client(
-                        user.to_string(), filtered_events
-                    )
+                rank_map.update({r["event"].event_id: r["rank"] for r in results})
 
-                    room_events.extend(events)
-                    room_events = room_events[:search_filter.limit()]
+                filtered_events = search_filter.filter([
+                    r["event"] for r in results
+                ])
 
-                    if len(results) < search_filter.limit() * 2:
-                        pagination_token = None
-                        break
-                    else:
-                        pagination_token = results[-1]["pagination_token"]
-
-                if room_events:
-                    res = results_map[room_events[-1].event_id]
-                    pagination_token = res["pagination_token"]
-
-                    group = room_groups.setdefault(room_id, {})
-                    if pagination_token:
-                        next_batch = encode_base64("%s\n%s\n%s" % (
-                            "room_id", room_id, pagination_token
-                        ))
-                        group["next_batch"] = next_batch
-
-                        if batch_token:
-                            global_next_batch = next_batch
-
-                    group["results"] = [e.event_id for e in room_events]
-                    group["order"] = max(
-                        e.origin_server_ts/1000 for e in room_events
-                        if hasattr(e, "origin_server_ts")
-                    )
-
-                allowed_events.extend(room_events)
+                events = yield self._filter_events_for_client(
+                    user.to_string(), filtered_events
+                )
 
-            # Normalize the group orders
-            if room_groups:
-                if len(room_groups) > 1:
-                    mx = max(g["order"] for g in room_groups.values())
-                    mn = min(g["order"] for g in room_groups.values())
+                room_events.extend(events)
+                room_events = room_events[:search_filter.limit()]
 
-                    for g in room_groups.values():
-                        g["order"] = (g["order"] - mn) * 1.0 / (mx - mn)
+                if len(results) < search_filter.limit() * 2:
+                    pagination_token = None
+                    break
                 else:
-                    room_groups.values()[0]["order"] = 1
+                    pagination_token = results[-1]["pagination_token"]
+
+            for event in room_events:
+                group = room_groups.setdefault(event.room_id, {
+                    "results": [],
+                })
+                group["results"].append(event.event_id)
+
+            if room_events and len(room_events) >= search_filter.limit():
+                last_event_id = room_events[-1].event_id
+                pagination_token = results_map[last_event_id]["pagination_token"]
+
+                global_next_batch = encode_base64("%s\n%s\n%s" % (
+                    "all", "", pagination_token
+                ))
+
+                for room_id, group in room_groups.items():
+                    group["next_batch"] = encode_base64("%s\n%s\n%s" % (
+                        "room_id", room_id, pagination_token
+                    ))
+
+            allowed_events.extend(room_events)
 
         else:
             # We should never get here due to the guard earlier.
@@ -347,7 +352,8 @@ class SearchHandler(BaseHandler):
 
         rooms_cat_res = {
             "results": results,
-            "count": len(results)
+            "count": len(results),
+            "highlights": list(highlights),
         }
 
         if state_results:
diff --git a/synapse/http/server.py b/synapse/http/server.py
index 50feea6f1c..ef75be742c 100644
--- a/synapse/http/server.py
+++ b/synapse/http/server.py
@@ -120,7 +120,7 @@ class HttpServer(object):
     """ Interface for registering callbacks on a HTTP server
     """
 
-    def register_path(self, method, path_pattern, callback):
+    def register_paths(self, method, path_patterns, callback):
         """ Register a callback that gets fired if we receive a http request
         with the given method for a path that matches the given regex.
 
@@ -129,7 +129,7 @@ class HttpServer(object):
 
         Args:
             method (str): The method to listen to.
-            path_pattern (str): The regex used to match requests.
+            path_patterns (list<SRE_Pattern>): The regex used to match requests.
             callback (function): The function to fire if we receive a matched
                 request. The first argument will be the request object and
                 subsequent arguments will be any matched groups from the regex.
@@ -165,10 +165,11 @@ class JsonResource(HttpServer, resource.Resource):
         self.version_string = hs.version_string
         self.hs = hs
 
-    def register_path(self, method, path_pattern, callback):
-        self.path_regexs.setdefault(method, []).append(
-            self._PathEntry(path_pattern, callback)
-        )
+    def register_paths(self, method, path_patterns, callback):
+        for path_pattern in path_patterns:
+            self.path_regexs.setdefault(method, []).append(
+                self._PathEntry(path_pattern, callback)
+            )
 
     def render(self, request):
         """ This gets called by twisted every time someone sends us a request.
diff --git a/synapse/http/servlet.py b/synapse/http/servlet.py
index 9cda17fcf8..32b6d6cd72 100644
--- a/synapse/http/servlet.py
+++ b/synapse/http/servlet.py
@@ -19,7 +19,6 @@ from synapse.api.errors import SynapseError
 
 import logging
 
-
 logger = logging.getLogger(__name__)
 
 
@@ -102,12 +101,13 @@ class RestServlet(object):
 
     def register(self, http_server):
         """ Register this servlet with the given HTTP server. """
-        if hasattr(self, "PATTERN"):
-            pattern = self.PATTERN
+        if hasattr(self, "PATTERNS"):
+            patterns = self.PATTERNS
 
             for method in ("GET", "PUT", "POST", "OPTIONS", "DELETE"):
                 if hasattr(self, "on_%s" % (method,)):
                     method_handler = getattr(self, "on_%s" % (method,))
-                    http_server.register_path(method, pattern, method_handler)
+                    http_server.register_paths(method, patterns, method_handler)
+
         else:
             raise NotImplementedError("RestServlet must register something.")
diff --git a/synapse/rest/client/v1/admin.py b/synapse/rest/client/v1/admin.py
index bdde43864c..0103697889 100644
--- a/synapse/rest/client/v1/admin.py
+++ b/synapse/rest/client/v1/admin.py
@@ -18,7 +18,7 @@ from twisted.internet import defer
 from synapse.api.errors import AuthError, SynapseError
 from synapse.types import UserID
 
-from base import ClientV1RestServlet, client_path_pattern
+from base import ClientV1RestServlet, client_path_patterns
 
 import logging
 
@@ -26,7 +26,7 @@ logger = logging.getLogger(__name__)
 
 
 class WhoisRestServlet(ClientV1RestServlet):
-    PATTERN = client_path_pattern("/admin/whois/(?P<user_id>[^/]*)")
+    PATTERNS = client_path_patterns("/admin/whois/(?P<user_id>[^/]*)", releases=())
 
     @defer.inlineCallbacks
     def on_GET(self, request, user_id):
diff --git a/synapse/rest/client/v1/base.py b/synapse/rest/client/v1/base.py
index 504a5e432f..7ae3839a19 100644
--- a/synapse/rest/client/v1/base.py
+++ b/synapse/rest/client/v1/base.py
@@ -27,7 +27,7 @@ import logging
 logger = logging.getLogger(__name__)
 
 
-def client_path_pattern(path_regex):
+def client_path_patterns(path_regex, releases=(0,)):
     """Creates a regex compiled client path with the correct client path
     prefix.
 
@@ -37,7 +37,13 @@ def client_path_pattern(path_regex):
     Returns:
         SRE_Pattern
     """
-    return re.compile("^" + CLIENT_PREFIX + path_regex)
+    patterns = [re.compile("^" + CLIENT_PREFIX + path_regex)]
+    unstable_prefix = CLIENT_PREFIX.replace("/api/v1", "/unstable")
+    patterns.append(re.compile("^" + unstable_prefix + path_regex))
+    for release in releases:
+        new_prefix = CLIENT_PREFIX.replace("/api/v1", "/r%d" % release)
+        patterns.append(re.compile("^" + new_prefix + path_regex))
+    return patterns
 
 
 class ClientV1RestServlet(RestServlet):
diff --git a/synapse/rest/client/v1/directory.py b/synapse/rest/client/v1/directory.py
index 240eedac75..f488e2dd41 100644
--- a/synapse/rest/client/v1/directory.py
+++ b/synapse/rest/client/v1/directory.py
@@ -18,7 +18,7 @@ from twisted.internet import defer
 
 from synapse.api.errors import AuthError, SynapseError, Codes
 from synapse.types import RoomAlias
-from .base import ClientV1RestServlet, client_path_pattern
+from .base import ClientV1RestServlet, client_path_patterns
 
 import simplejson as json
 import logging
@@ -32,7 +32,7 @@ def register_servlets(hs, http_server):
 
 
 class ClientDirectoryServer(ClientV1RestServlet):
-    PATTERN = client_path_pattern("/directory/room/(?P<room_alias>[^/]*)$")
+    PATTERNS = client_path_patterns("/directory/room/(?P<room_alias>[^/]*)$")
 
     @defer.inlineCallbacks
     def on_GET(self, request, room_alias):
diff --git a/synapse/rest/client/v1/events.py b/synapse/rest/client/v1/events.py
index 3e1750d1a1..41b97e7d15 100644
--- a/synapse/rest/client/v1/events.py
+++ b/synapse/rest/client/v1/events.py
@@ -18,7 +18,7 @@ from twisted.internet import defer
 
 from synapse.api.errors import SynapseError
 from synapse.streams.config import PaginationConfig
-from .base import ClientV1RestServlet, client_path_pattern
+from .base import ClientV1RestServlet, client_path_patterns
 from synapse.events.utils import serialize_event
 
 import logging
@@ -28,7 +28,7 @@ logger = logging.getLogger(__name__)
 
 
 class EventStreamRestServlet(ClientV1RestServlet):
-    PATTERN = client_path_pattern("/events$")
+    PATTERNS = client_path_patterns("/events$")
 
     DEFAULT_LONGPOLL_TIME_MS = 30000
 
@@ -72,7 +72,7 @@ class EventStreamRestServlet(ClientV1RestServlet):
 
 # TODO: Unit test gets, with and without auth, with different kinds of events.
 class EventRestServlet(ClientV1RestServlet):
-    PATTERN = client_path_pattern("/events/(?P<event_id>[^/]*)$")
+    PATTERNS = client_path_patterns("/events/(?P<event_id>[^/]*)$")
 
     def __init__(self, hs):
         super(EventRestServlet, self).__init__(hs)
diff --git a/synapse/rest/client/v1/initial_sync.py b/synapse/rest/client/v1/initial_sync.py
index 856a70f297..9ad3df8a9f 100644
--- a/synapse/rest/client/v1/initial_sync.py
+++ b/synapse/rest/client/v1/initial_sync.py
@@ -16,12 +16,12 @@
 from twisted.internet import defer
 
 from synapse.streams.config import PaginationConfig
-from base import ClientV1RestServlet, client_path_pattern
+from base import ClientV1RestServlet, client_path_patterns
 
 
 # TODO: Needs unit testing
 class InitialSyncRestServlet(ClientV1RestServlet):
-    PATTERN = client_path_pattern("/initialSync$")
+    PATTERNS = client_path_patterns("/initialSync$")
 
     @defer.inlineCallbacks
     def on_GET(self, request):
diff --git a/synapse/rest/client/v1/login.py b/synapse/rest/client/v1/login.py
index 720d6358e7..b0b641e430 100644
--- a/synapse/rest/client/v1/login.py
+++ b/synapse/rest/client/v1/login.py
@@ -18,7 +18,7 @@ from twisted.internet import defer
 from synapse.api.errors import SynapseError, LoginError, Codes
 from synapse.http.client import SimpleHttpClient
 from synapse.types import UserID
-from base import ClientV1RestServlet, client_path_pattern
+from base import ClientV1RestServlet, client_path_patterns
 
 import simplejson as json
 import urllib
@@ -36,7 +36,7 @@ logger = logging.getLogger(__name__)
 
 
 class LoginRestServlet(ClientV1RestServlet):
-    PATTERN = client_path_pattern("/login$")
+    PATTERNS = client_path_patterns("/login$", releases=())
     PASS_TYPE = "m.login.password"
     SAML2_TYPE = "m.login.saml2"
     CAS_TYPE = "m.login.cas"
@@ -238,7 +238,7 @@ class LoginRestServlet(ClientV1RestServlet):
 
 
 class SAML2RestServlet(ClientV1RestServlet):
-    PATTERN = client_path_pattern("/login/saml2")
+    PATTERNS = client_path_patterns("/login/saml2", releases=())
 
     def __init__(self, hs):
         super(SAML2RestServlet, self).__init__(hs)
@@ -282,7 +282,7 @@ class SAML2RestServlet(ClientV1RestServlet):
 
 # TODO Delete this after all CAS clients switch to token login instead
 class CasRestServlet(ClientV1RestServlet):
-    PATTERN = client_path_pattern("/login/cas")
+    PATTERNS = client_path_patterns("/login/cas", releases=())
 
     def __init__(self, hs):
         super(CasRestServlet, self).__init__(hs)
@@ -293,7 +293,7 @@ class CasRestServlet(ClientV1RestServlet):
 
 
 class CasRedirectServlet(ClientV1RestServlet):
-    PATTERN = client_path_pattern("/login/cas/redirect")
+    PATTERNS = client_path_patterns("/login/cas/redirect", releases=())
 
     def __init__(self, hs):
         super(CasRedirectServlet, self).__init__(hs)
@@ -316,7 +316,7 @@ class CasRedirectServlet(ClientV1RestServlet):
 
 
 class CasTicketServlet(ClientV1RestServlet):
-    PATTERN = client_path_pattern("/login/cas/ticket")
+    PATTERNS = client_path_patterns("/login/cas/ticket", releases=())
 
     def __init__(self, hs):
         super(CasTicketServlet, self).__init__(hs)
diff --git a/synapse/rest/client/v1/presence.py b/synapse/rest/client/v1/presence.py
index 6fe5d19a22..e0949fe4bb 100644
--- a/synapse/rest/client/v1/presence.py
+++ b/synapse/rest/client/v1/presence.py
@@ -19,7 +19,7 @@ from twisted.internet import defer
 
 from synapse.api.errors import SynapseError
 from synapse.types import UserID
-from .base import ClientV1RestServlet, client_path_pattern
+from .base import ClientV1RestServlet, client_path_patterns
 
 import simplejson as json
 import logging
@@ -28,7 +28,7 @@ logger = logging.getLogger(__name__)
 
 
 class PresenceStatusRestServlet(ClientV1RestServlet):
-    PATTERN = client_path_pattern("/presence/(?P<user_id>[^/]*)/status")
+    PATTERNS = client_path_patterns("/presence/(?P<user_id>[^/]*)/status")
 
     @defer.inlineCallbacks
     def on_GET(self, request, user_id):
@@ -73,7 +73,7 @@ class PresenceStatusRestServlet(ClientV1RestServlet):
 
 
 class PresenceListRestServlet(ClientV1RestServlet):
-    PATTERN = client_path_pattern("/presence/list/(?P<user_id>[^/]*)")
+    PATTERNS = client_path_patterns("/presence/list/(?P<user_id>[^/]*)")
 
     @defer.inlineCallbacks
     def on_GET(self, request, user_id):
@@ -120,7 +120,7 @@ class PresenceListRestServlet(ClientV1RestServlet):
                 if len(u) == 0:
                     continue
                 invited_user = UserID.from_string(u)
-                yield self.handlers.presence_handler.send_invite(
+                yield self.handlers.presence_handler.send_presence_invite(
                     observer_user=user, observed_user=invited_user
                 )
 
diff --git a/synapse/rest/client/v1/profile.py b/synapse/rest/client/v1/profile.py
index 3218e47025..e6c6e5d024 100644
--- a/synapse/rest/client/v1/profile.py
+++ b/synapse/rest/client/v1/profile.py
@@ -16,14 +16,14 @@
 """ This module contains REST servlets to do with profile: /profile/<paths> """
 from twisted.internet import defer
 
-from .base import ClientV1RestServlet, client_path_pattern
+from .base import ClientV1RestServlet, client_path_patterns
 from synapse.types import UserID
 
 import simplejson as json
 
 
 class ProfileDisplaynameRestServlet(ClientV1RestServlet):
-    PATTERN = client_path_pattern("/profile/(?P<user_id>[^/]*)/displayname")
+    PATTERNS = client_path_patterns("/profile/(?P<user_id>[^/]*)/displayname")
 
     @defer.inlineCallbacks
     def on_GET(self, request, user_id):
@@ -56,7 +56,7 @@ class ProfileDisplaynameRestServlet(ClientV1RestServlet):
 
 
 class ProfileAvatarURLRestServlet(ClientV1RestServlet):
-    PATTERN = client_path_pattern("/profile/(?P<user_id>[^/]*)/avatar_url")
+    PATTERNS = client_path_patterns("/profile/(?P<user_id>[^/]*)/avatar_url")
 
     @defer.inlineCallbacks
     def on_GET(self, request, user_id):
@@ -89,7 +89,7 @@ class ProfileAvatarURLRestServlet(ClientV1RestServlet):
 
 
 class ProfileRestServlet(ClientV1RestServlet):
-    PATTERN = client_path_pattern("/profile/(?P<user_id>[^/]*)")
+    PATTERNS = client_path_patterns("/profile/(?P<user_id>[^/]*)")
 
     @defer.inlineCallbacks
     def on_GET(self, request, user_id):
diff --git a/synapse/rest/client/v1/push_rule.py b/synapse/rest/client/v1/push_rule.py
index b0870db1ac..edf5b0ca41 100644
--- a/synapse/rest/client/v1/push_rule.py
+++ b/synapse/rest/client/v1/push_rule.py
@@ -18,7 +18,7 @@ from twisted.internet import defer
 from synapse.api.errors import (
     SynapseError, Codes, UnrecognizedRequestError, NotFoundError, StoreError
 )
-from .base import ClientV1RestServlet, client_path_pattern
+from .base import ClientV1RestServlet, client_path_patterns
 from synapse.storage.push_rule import (
     InconsistentRuleException, RuleNotFoundException
 )
@@ -31,7 +31,7 @@ import simplejson as json
 
 
 class PushRuleRestServlet(ClientV1RestServlet):
-    PATTERN = client_path_pattern("/pushrules/.*$")
+    PATTERNS = client_path_patterns("/pushrules/.*$")
     SLIGHTLY_PEDANTIC_TRAILING_SLASH_ERROR = (
         "Unrecognised request: You probably wanted a trailing slash")
 
diff --git a/synapse/rest/client/v1/pusher.py b/synapse/rest/client/v1/pusher.py
index a110c0a4f0..6f465035b4 100644
--- a/synapse/rest/client/v1/pusher.py
+++ b/synapse/rest/client/v1/pusher.py
@@ -17,13 +17,13 @@ from twisted.internet import defer
 
 from synapse.api.errors import SynapseError, Codes
 from synapse.push import PusherConfigException
-from .base import ClientV1RestServlet, client_path_pattern
+from .base import ClientV1RestServlet, client_path_patterns
 
 import simplejson as json
 
 
 class PusherRestServlet(ClientV1RestServlet):
-    PATTERN = client_path_pattern("/pushers/set$")
+    PATTERNS = client_path_patterns("/pushers/set$")
 
     @defer.inlineCallbacks
     def on_POST(self, request):
diff --git a/synapse/rest/client/v1/register.py b/synapse/rest/client/v1/register.py
index a56834e365..5b95d63e25 100644
--- a/synapse/rest/client/v1/register.py
+++ b/synapse/rest/client/v1/register.py
@@ -18,7 +18,7 @@ from twisted.internet import defer
 
 from synapse.api.errors import SynapseError, Codes
 from synapse.api.constants import LoginType
-from base import ClientV1RestServlet, client_path_pattern
+from base import ClientV1RestServlet, client_path_patterns
 import synapse.util.stringutils as stringutils
 
 from synapse.util.async import run_on_reactor
@@ -48,7 +48,7 @@ class RegisterRestServlet(ClientV1RestServlet):
     handler doesn't have a concept of multi-stages or sessions.
     """
 
-    PATTERN = client_path_pattern("/register$")
+    PATTERNS = client_path_patterns("/register$", releases=())
 
     def __init__(self, hs):
         super(RegisterRestServlet, self).__init__(hs)
diff --git a/synapse/rest/client/v1/room.py b/synapse/rest/client/v1/room.py
index 6952d269ec..d86d266465 100644
--- a/synapse/rest/client/v1/room.py
+++ b/synapse/rest/client/v1/room.py
@@ -16,7 +16,7 @@
 """ This module contains REST servlets to do with rooms: /rooms/<paths> """
 from twisted.internet import defer
 
-from base import ClientV1RestServlet, client_path_pattern
+from base import ClientV1RestServlet, client_path_patterns
 from synapse.api.errors import SynapseError, Codes, AuthError
 from synapse.streams.config import PaginationConfig
 from synapse.api.constants import EventTypes, Membership
@@ -34,16 +34,16 @@ class RoomCreateRestServlet(ClientV1RestServlet):
     # No PATTERN; we have custom dispatch rules here
 
     def register(self, http_server):
-        PATTERN = "/createRoom"
-        register_txn_path(self, PATTERN, http_server)
+        PATTERNS = "/createRoom"
+        register_txn_path(self, PATTERNS, http_server)
         # define CORS for all of /rooms in RoomCreateRestServlet for simplicity
-        http_server.register_path("OPTIONS",
-                                  client_path_pattern("/rooms(?:/.*)?$"),
-                                  self.on_OPTIONS)
+        http_server.register_paths("OPTIONS",
+                                   client_path_patterns("/rooms(?:/.*)?$"),
+                                   self.on_OPTIONS)
         # define CORS for /createRoom[/txnid]
-        http_server.register_path("OPTIONS",
-                                  client_path_pattern("/createRoom(?:/.*)?$"),
-                                  self.on_OPTIONS)
+        http_server.register_paths("OPTIONS",
+                                   client_path_patterns("/createRoom(?:/.*)?$"),
+                                   self.on_OPTIONS)
 
     @defer.inlineCallbacks
     def on_PUT(self, request, txn_id):
@@ -103,18 +103,18 @@ class RoomStateEventRestServlet(ClientV1RestServlet):
         state_key = ("/rooms/(?P<room_id>[^/]*)/state/"
                      "(?P<event_type>[^/]*)/(?P<state_key>[^/]*)$")
 
-        http_server.register_path("GET",
-                                  client_path_pattern(state_key),
-                                  self.on_GET)
-        http_server.register_path("PUT",
-                                  client_path_pattern(state_key),
-                                  self.on_PUT)
-        http_server.register_path("GET",
-                                  client_path_pattern(no_state_key),
-                                  self.on_GET_no_state_key)
-        http_server.register_path("PUT",
-                                  client_path_pattern(no_state_key),
-                                  self.on_PUT_no_state_key)
+        http_server.register_paths("GET",
+                                   client_path_patterns(state_key),
+                                   self.on_GET)
+        http_server.register_paths("PUT",
+                                   client_path_patterns(state_key),
+                                   self.on_PUT)
+        http_server.register_paths("GET",
+                                   client_path_patterns(no_state_key, releases=()),
+                                   self.on_GET_no_state_key)
+        http_server.register_paths("PUT",
+                                   client_path_patterns(no_state_key, releases=()),
+                                   self.on_PUT_no_state_key)
 
     def on_GET_no_state_key(self, request, room_id, event_type):
         return self.on_GET(request, room_id, event_type, "")
@@ -170,8 +170,8 @@ class RoomSendEventRestServlet(ClientV1RestServlet):
 
     def register(self, http_server):
         # /rooms/$roomid/send/$event_type[/$txn_id]
-        PATTERN = ("/rooms/(?P<room_id>[^/]*)/send/(?P<event_type>[^/]*)")
-        register_txn_path(self, PATTERN, http_server, with_get=True)
+        PATTERNS = ("/rooms/(?P<room_id>[^/]*)/send/(?P<event_type>[^/]*)")
+        register_txn_path(self, PATTERNS, http_server, with_get=True)
 
     @defer.inlineCallbacks
     def on_POST(self, request, room_id, event_type, txn_id=None):
@@ -215,8 +215,8 @@ class JoinRoomAliasServlet(ClientV1RestServlet):
 
     def register(self, http_server):
         # /join/$room_identifier[/$txn_id]
-        PATTERN = ("/join/(?P<room_identifier>[^/]*)")
-        register_txn_path(self, PATTERN, http_server)
+        PATTERNS = ("/join/(?P<room_identifier>[^/]*)")
+        register_txn_path(self, PATTERNS, http_server)
 
     @defer.inlineCallbacks
     def on_POST(self, request, room_identifier, txn_id=None):
@@ -280,7 +280,7 @@ class JoinRoomAliasServlet(ClientV1RestServlet):
 
 # TODO: Needs unit testing
 class PublicRoomListRestServlet(ClientV1RestServlet):
-    PATTERN = client_path_pattern("/publicRooms$")
+    PATTERNS = client_path_patterns("/publicRooms$")
 
     @defer.inlineCallbacks
     def on_GET(self, request):
@@ -291,7 +291,7 @@ class PublicRoomListRestServlet(ClientV1RestServlet):
 
 # TODO: Needs unit testing
 class RoomMemberListRestServlet(ClientV1RestServlet):
-    PATTERN = client_path_pattern("/rooms/(?P<room_id>[^/]*)/members$")
+    PATTERNS = client_path_patterns("/rooms/(?P<room_id>[^/]*)/members$")
 
     @defer.inlineCallbacks
     def on_GET(self, request, room_id):
@@ -328,7 +328,7 @@ class RoomMemberListRestServlet(ClientV1RestServlet):
 
 # TODO: Needs better unit testing
 class RoomMessageListRestServlet(ClientV1RestServlet):
-    PATTERN = client_path_pattern("/rooms/(?P<room_id>[^/]*)/messages$")
+    PATTERNS = client_path_patterns("/rooms/(?P<room_id>[^/]*)/messages$")
 
     @defer.inlineCallbacks
     def on_GET(self, request, room_id):
@@ -351,7 +351,7 @@ class RoomMessageListRestServlet(ClientV1RestServlet):
 
 # TODO: Needs unit testing
 class RoomStateRestServlet(ClientV1RestServlet):
-    PATTERN = client_path_pattern("/rooms/(?P<room_id>[^/]*)/state$")
+    PATTERNS = client_path_patterns("/rooms/(?P<room_id>[^/]*)/state$")
 
     @defer.inlineCallbacks
     def on_GET(self, request, room_id):
@@ -368,7 +368,7 @@ class RoomStateRestServlet(ClientV1RestServlet):
 
 # TODO: Needs unit testing
 class RoomInitialSyncRestServlet(ClientV1RestServlet):
-    PATTERN = client_path_pattern("/rooms/(?P<room_id>[^/]*)/initialSync$")
+    PATTERNS = client_path_patterns("/rooms/(?P<room_id>[^/]*)/initialSync$")
 
     @defer.inlineCallbacks
     def on_GET(self, request, room_id):
@@ -384,7 +384,7 @@ class RoomInitialSyncRestServlet(ClientV1RestServlet):
 
 
 class RoomTriggerBackfill(ClientV1RestServlet):
-    PATTERN = client_path_pattern("/rooms/(?P<room_id>[^/]*)/backfill$")
+    PATTERNS = client_path_patterns("/rooms/(?P<room_id>[^/]*)/backfill$", releases=())
 
     def __init__(self, hs):
         super(RoomTriggerBackfill, self).__init__(hs)
@@ -408,7 +408,7 @@ class RoomTriggerBackfill(ClientV1RestServlet):
 
 
 class RoomEventContext(ClientV1RestServlet):
-    PATTERN = client_path_pattern(
+    PATTERNS = client_path_patterns(
         "/rooms/(?P<room_id>[^/]*)/context/(?P<event_id>[^/]*)$"
     )
 
@@ -447,9 +447,9 @@ class RoomMembershipRestServlet(ClientV1RestServlet):
 
     def register(self, http_server):
         # /rooms/$roomid/[invite|join|leave]
-        PATTERN = ("/rooms/(?P<room_id>[^/]*)/"
-                   "(?P<membership_action>join|invite|leave|ban|kick|forget)")
-        register_txn_path(self, PATTERN, http_server)
+        PATTERNS = ("/rooms/(?P<room_id>[^/]*)/"
+                    "(?P<membership_action>join|invite|leave|ban|kick|forget)")
+        register_txn_path(self, PATTERNS, http_server)
 
     @defer.inlineCallbacks
     def on_POST(self, request, room_id, membership_action, txn_id=None):
@@ -543,8 +543,8 @@ class RoomMembershipRestServlet(ClientV1RestServlet):
 
 class RoomRedactEventRestServlet(ClientV1RestServlet):
     def register(self, http_server):
-        PATTERN = ("/rooms/(?P<room_id>[^/]*)/redact/(?P<event_id>[^/]*)")
-        register_txn_path(self, PATTERN, http_server)
+        PATTERNS = ("/rooms/(?P<room_id>[^/]*)/redact/(?P<event_id>[^/]*)")
+        register_txn_path(self, PATTERNS, http_server)
 
     @defer.inlineCallbacks
     def on_POST(self, request, room_id, event_id, txn_id=None):
@@ -582,7 +582,7 @@ class RoomRedactEventRestServlet(ClientV1RestServlet):
 
 
 class RoomTypingRestServlet(ClientV1RestServlet):
-    PATTERN = client_path_pattern(
+    PATTERNS = client_path_patterns(
         "/rooms/(?P<room_id>[^/]*)/typing/(?P<user_id>[^/]*)$"
     )
 
@@ -615,7 +615,7 @@ class RoomTypingRestServlet(ClientV1RestServlet):
 
 
 class SearchRestServlet(ClientV1RestServlet):
-    PATTERN = client_path_pattern(
+    PATTERNS = client_path_patterns(
         "/search$"
     )
 
@@ -655,20 +655,20 @@ def register_txn_path(servlet, regex_string, http_server, with_get=False):
         http_server : The http_server to register paths with.
         with_get: True to also register respective GET paths for the PUTs.
     """
-    http_server.register_path(
+    http_server.register_paths(
         "POST",
-        client_path_pattern(regex_string + "$"),
+        client_path_patterns(regex_string + "$"),
         servlet.on_POST
     )
-    http_server.register_path(
+    http_server.register_paths(
         "PUT",
-        client_path_pattern(regex_string + "/(?P<txn_id>[^/]*)$"),
+        client_path_patterns(regex_string + "/(?P<txn_id>[^/]*)$"),
         servlet.on_PUT
     )
     if with_get:
-        http_server.register_path(
+        http_server.register_paths(
             "GET",
-            client_path_pattern(regex_string + "/(?P<txn_id>[^/]*)$"),
+            client_path_patterns(regex_string + "/(?P<txn_id>[^/]*)$"),
             servlet.on_GET
         )
 
diff --git a/synapse/rest/client/v1/voip.py b/synapse/rest/client/v1/voip.py
index eb7c57cade..1567a03c89 100644
--- a/synapse/rest/client/v1/voip.py
+++ b/synapse/rest/client/v1/voip.py
@@ -15,7 +15,7 @@
 
 from twisted.internet import defer
 
-from base import ClientV1RestServlet, client_path_pattern
+from base import ClientV1RestServlet, client_path_patterns
 
 
 import hmac
@@ -24,7 +24,7 @@ import base64
 
 
 class VoipRestServlet(ClientV1RestServlet):
-    PATTERN = client_path_pattern("/voip/turnServer$")
+    PATTERNS = client_path_patterns("/voip/turnServer$")
 
     @defer.inlineCallbacks
     def on_GET(self, request):
diff --git a/synapse/rest/client/v2_alpha/_base.py b/synapse/rest/client/v2_alpha/_base.py
index 4540e8dcf7..7b8b879c03 100644
--- a/synapse/rest/client/v2_alpha/_base.py
+++ b/synapse/rest/client/v2_alpha/_base.py
@@ -27,7 +27,7 @@ import simplejson
 logger = logging.getLogger(__name__)
 
 
-def client_v2_pattern(path_regex):
+def client_v2_patterns(path_regex, releases=(0,)):
     """Creates a regex compiled client path with the correct client path
     prefix.
 
@@ -37,7 +37,13 @@ def client_v2_pattern(path_regex):
     Returns:
         SRE_Pattern
     """
-    return re.compile("^" + CLIENT_V2_ALPHA_PREFIX + path_regex)
+    patterns = [re.compile("^" + CLIENT_V2_ALPHA_PREFIX + path_regex)]
+    unstable_prefix = CLIENT_V2_ALPHA_PREFIX.replace("/v2_alpha", "/unstable")
+    patterns.append(re.compile("^" + unstable_prefix + path_regex))
+    for release in releases:
+        new_prefix = CLIENT_V2_ALPHA_PREFIX.replace("/v2_alpha", "/r%d" % release)
+        patterns.append(re.compile("^" + new_prefix + path_regex))
+    return patterns
 
 
 def parse_request_allow_empty(request):
diff --git a/synapse/rest/client/v2_alpha/account.py b/synapse/rest/client/v2_alpha/account.py
index 1970ad3458..6f1c33f75b 100644
--- a/synapse/rest/client/v2_alpha/account.py
+++ b/synapse/rest/client/v2_alpha/account.py
@@ -20,7 +20,7 @@ from synapse.api.errors import LoginError, SynapseError, Codes
 from synapse.http.servlet import RestServlet
 from synapse.util.async import run_on_reactor
 
-from ._base import client_v2_pattern, parse_json_dict_from_request
+from ._base import client_v2_patterns, parse_json_dict_from_request
 
 import logging
 
@@ -29,7 +29,7 @@ logger = logging.getLogger(__name__)
 
 
 class PasswordRestServlet(RestServlet):
-    PATTERN = client_v2_pattern("/account/password")
+    PATTERNS = client_v2_patterns("/account/password", releases=())
 
     def __init__(self, hs):
         super(PasswordRestServlet, self).__init__()
@@ -89,7 +89,7 @@ class PasswordRestServlet(RestServlet):
 
 
 class ThreepidRestServlet(RestServlet):
-    PATTERN = client_v2_pattern("/account/3pid")
+    PATTERNS = client_v2_patterns("/account/3pid", releases=())
 
     def __init__(self, hs):
         super(ThreepidRestServlet, self).__init__()
diff --git a/synapse/rest/client/v2_alpha/auth.py b/synapse/rest/client/v2_alpha/auth.py
index 4c726f05f5..fb5947a141 100644
--- a/synapse/rest/client/v2_alpha/auth.py
+++ b/synapse/rest/client/v2_alpha/auth.py
@@ -20,7 +20,7 @@ from synapse.api.errors import SynapseError
 from synapse.api.urls import CLIENT_V2_ALPHA_PREFIX
 from synapse.http.servlet import RestServlet
 
-from ._base import client_v2_pattern
+from ._base import client_v2_patterns
 
 import logging
 
@@ -97,7 +97,7 @@ class AuthRestServlet(RestServlet):
     cannot be handled in the normal flow (with requests to the same endpoint).
     Current use is for web fallback auth.
     """
-    PATTERN = client_v2_pattern("/auth/(?P<stagetype>[\w\.]*)/fallback/web")
+    PATTERNS = client_v2_patterns("/auth/(?P<stagetype>[\w\.]*)/fallback/web")
 
     def __init__(self, hs):
         super(AuthRestServlet, self).__init__()
diff --git a/synapse/rest/client/v2_alpha/filter.py b/synapse/rest/client/v2_alpha/filter.py
index 97956a4b91..3cd0364b56 100644
--- a/synapse/rest/client/v2_alpha/filter.py
+++ b/synapse/rest/client/v2_alpha/filter.py
@@ -19,7 +19,7 @@ from synapse.api.errors import AuthError, SynapseError
 from synapse.http.servlet import RestServlet
 from synapse.types import UserID
 
-from ._base import client_v2_pattern
+from ._base import client_v2_patterns
 
 import simplejson as json
 import logging
@@ -29,7 +29,7 @@ logger = logging.getLogger(__name__)
 
 
 class GetFilterRestServlet(RestServlet):
-    PATTERN = client_v2_pattern("/user/(?P<user_id>[^/]*)/filter/(?P<filter_id>[^/]*)")
+    PATTERNS = client_v2_patterns("/user/(?P<user_id>[^/]*)/filter/(?P<filter_id>[^/]*)")
 
     def __init__(self, hs):
         super(GetFilterRestServlet, self).__init__()
@@ -65,7 +65,7 @@ class GetFilterRestServlet(RestServlet):
 
 
 class CreateFilterRestServlet(RestServlet):
-    PATTERN = client_v2_pattern("/user/(?P<user_id>[^/]*)/filter")
+    PATTERNS = client_v2_patterns("/user/(?P<user_id>[^/]*)/filter")
 
     def __init__(self, hs):
         super(CreateFilterRestServlet, self).__init__()
diff --git a/synapse/rest/client/v2_alpha/keys.py b/synapse/rest/client/v2_alpha/keys.py
index 820d33336f..c55e85920f 100644
--- a/synapse/rest/client/v2_alpha/keys.py
+++ b/synapse/rest/client/v2_alpha/keys.py
@@ -21,7 +21,7 @@ from synapse.types import UserID
 
 from canonicaljson import encode_canonical_json
 
-from ._base import client_v2_pattern
+from ._base import client_v2_patterns
 
 import simplejson as json
 import logging
@@ -54,7 +54,7 @@ class KeyUploadServlet(RestServlet):
       },
     }
     """
-    PATTERN = client_v2_pattern("/keys/upload/(?P<device_id>[^/]*)")
+    PATTERNS = client_v2_patterns("/keys/upload/(?P<device_id>[^/]*)")
 
     def __init__(self, hs):
         super(KeyUploadServlet, self).__init__()
@@ -154,12 +154,13 @@ class KeyQueryServlet(RestServlet):
     } } } } } }
     """
 
-    PATTERN = client_v2_pattern(
+    PATTERNS = client_v2_patterns(
         "/keys/query(?:"
         "/(?P<user_id>[^/]*)(?:"
         "/(?P<device_id>[^/]*)"
         ")?"
-        ")?"
+        ")?",
+        releases=()
     )
 
     def __init__(self, hs):
@@ -245,10 +246,11 @@ class OneTimeKeyServlet(RestServlet):
     } } } }
 
     """
-    PATTERN = client_v2_pattern(
+    PATTERNS = client_v2_patterns(
         "/keys/claim(?:/?|(?:/"
         "(?P<user_id>[^/]*)/(?P<device_id>[^/]*)/(?P<algorithm>[^/]*)"
-        ")?)"
+        ")?)",
+        releases=()
     )
 
     def __init__(self, hs):
diff --git a/synapse/rest/client/v2_alpha/receipts.py b/synapse/rest/client/v2_alpha/receipts.py
index 788acd4adb..aa214e13b6 100644
--- a/synapse/rest/client/v2_alpha/receipts.py
+++ b/synapse/rest/client/v2_alpha/receipts.py
@@ -17,7 +17,7 @@ from twisted.internet import defer
 
 from synapse.api.errors import SynapseError
 from synapse.http.servlet import RestServlet
-from ._base import client_v2_pattern
+from ._base import client_v2_patterns
 
 import logging
 
@@ -26,7 +26,7 @@ logger = logging.getLogger(__name__)
 
 
 class ReceiptRestServlet(RestServlet):
-    PATTERN = client_v2_pattern(
+    PATTERNS = client_v2_patterns(
         "/rooms/(?P<room_id>[^/]*)"
         "/receipt/(?P<receipt_type>[^/]*)"
         "/(?P<event_id>[^/]*)$"
diff --git a/synapse/rest/client/v2_alpha/register.py b/synapse/rest/client/v2_alpha/register.py
index f899376311..b2b89652c6 100644
--- a/synapse/rest/client/v2_alpha/register.py
+++ b/synapse/rest/client/v2_alpha/register.py
@@ -19,7 +19,7 @@ from synapse.api.constants import LoginType
 from synapse.api.errors import SynapseError, Codes, UnrecognizedRequestError
 from synapse.http.servlet import RestServlet
 
-from ._base import client_v2_pattern, parse_json_dict_from_request
+from ._base import client_v2_patterns, parse_json_dict_from_request
 
 import logging
 import hmac
@@ -41,7 +41,7 @@ logger = logging.getLogger(__name__)
 
 
 class RegisterRestServlet(RestServlet):
-    PATTERN = client_v2_pattern("/register")
+    PATTERNS = client_v2_patterns("/register")
 
     def __init__(self, hs):
         super(RegisterRestServlet, self).__init__()
diff --git a/synapse/rest/client/v2_alpha/sync.py b/synapse/rest/client/v2_alpha/sync.py
index 775f49885b..09693bb435 100644
--- a/synapse/rest/client/v2_alpha/sync.py
+++ b/synapse/rest/client/v2_alpha/sync.py
@@ -25,7 +25,7 @@ from synapse.events.utils import (
     serialize_event, format_event_for_client_v2_without_room_id,
 )
 from synapse.api.filtering import FilterCollection
-from ._base import client_v2_pattern
+from ._base import client_v2_patterns
 
 import copy
 import logging
@@ -69,7 +69,7 @@ class SyncRestServlet(RestServlet):
         }
     """
 
-    PATTERN = client_v2_pattern("/sync$")
+    PATTERNS = client_v2_patterns("/sync$")
     ALLOWED_PRESENCE = set(["online", "offline"])
 
     def __init__(self, hs):
diff --git a/synapse/rest/client/v2_alpha/tags.py b/synapse/rest/client/v2_alpha/tags.py
index ba7223be11..b5d0db5569 100644
--- a/synapse/rest/client/v2_alpha/tags.py
+++ b/synapse/rest/client/v2_alpha/tags.py
@@ -13,7 +13,7 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-from ._base import client_v2_pattern
+from ._base import client_v2_patterns
 
 from synapse.http.servlet import RestServlet
 from synapse.api.errors import AuthError, SynapseError
@@ -31,7 +31,7 @@ class TagListServlet(RestServlet):
     """
     GET /user/{user_id}/rooms/{room_id}/tags HTTP/1.1
     """
-    PATTERN = client_v2_pattern(
+    PATTERNS = client_v2_patterns(
         "/user/(?P<user_id>[^/]*)/rooms/(?P<room_id>[^/]*)/tags"
     )
 
@@ -56,7 +56,7 @@ class TagServlet(RestServlet):
     PUT /user/{user_id}/rooms/{room_id}/tags/{tag} HTTP/1.1
     DELETE /user/{user_id}/rooms/{room_id}/tags/{tag} HTTP/1.1
     """
-    PATTERN = client_v2_pattern(
+    PATTERNS = client_v2_patterns(
         "/user/(?P<user_id>[^/]*)/rooms/(?P<room_id>[^/]*)/tags/(?P<tag>[^/]*)"
     )
 
diff --git a/synapse/rest/client/v2_alpha/tokenrefresh.py b/synapse/rest/client/v2_alpha/tokenrefresh.py
index 901e777983..5a63afd51e 100644
--- a/synapse/rest/client/v2_alpha/tokenrefresh.py
+++ b/synapse/rest/client/v2_alpha/tokenrefresh.py
@@ -18,7 +18,7 @@ from twisted.internet import defer
 from synapse.api.errors import AuthError, StoreError, SynapseError
 from synapse.http.servlet import RestServlet
 
-from ._base import client_v2_pattern, parse_json_dict_from_request
+from ._base import client_v2_patterns, parse_json_dict_from_request
 
 
 class TokenRefreshRestServlet(RestServlet):
@@ -26,7 +26,7 @@ class TokenRefreshRestServlet(RestServlet):
     Exchanges refresh tokens for a pair of an access token and a new refresh
     token.
     """
-    PATTERN = client_v2_pattern("/tokenrefresh")
+    PATTERNS = client_v2_patterns("/tokenrefresh")
 
     def __init__(self, hs):
         super(TokenRefreshRestServlet, self).__init__()
diff --git a/synapse/storage/events.py b/synapse/storage/events.py
index 5d35ca90b9..7088f2709b 100644
--- a/synapse/storage/events.py
+++ b/synapse/storage/events.py
@@ -51,6 +51,14 @@ EVENT_QUEUE_TIMEOUT_S = 0.1  # Timeout when waiting for requests for events
 
 
 class EventsStore(SQLBaseStore):
+    EVENT_ORIGIN_SERVER_TS_NAME = "event_origin_server_ts"
+
+    def __init__(self, hs):
+        super(EventsStore, self).__init__(hs)
+        self.register_background_update_handler(
+            self.EVENT_ORIGIN_SERVER_TS_NAME, self._background_reindex_origin_server_ts
+        )
+
     @defer.inlineCallbacks
     def persist_events(self, events_and_contexts, backfilled=False,
                        is_new_state=True):
@@ -365,6 +373,7 @@ class EventsStore(SQLBaseStore):
                     "processed": True,
                     "outlier": event.internal_metadata.is_outlier(),
                     "content": encode_json(event.content).decode("UTF-8"),
+                    "origin_server_ts": int(event.origin_server_ts),
                 }
                 for event, _ in events_and_contexts
             ],
@@ -964,3 +973,71 @@ class EventsStore(SQLBaseStore):
 
         ret = yield self.runInteraction("count_messages", _count_messages)
         defer.returnValue(ret)
+
+    @defer.inlineCallbacks
+    def _background_reindex_origin_server_ts(self, progress, batch_size):
+        target_min_stream_id = progress["target_min_stream_id_inclusive"]
+        max_stream_id = progress["max_stream_id_exclusive"]
+        rows_inserted = progress.get("rows_inserted", 0)
+
+        INSERT_CLUMP_SIZE = 1000
+
+        def reindex_search_txn(txn):
+            sql = (
+                "SELECT stream_ordering, event_id FROM events"
+                " WHERE ? <= stream_ordering AND stream_ordering < ?"
+                " ORDER BY stream_ordering DESC"
+                " LIMIT ?"
+            )
+
+            txn.execute(sql, (target_min_stream_id, max_stream_id, batch_size))
+
+            rows = txn.fetchall()
+            if not rows:
+                return 0
+
+            min_stream_id = rows[-1][0]
+            event_ids = [row[1] for row in rows]
+
+            events = self._get_events_txn(txn, event_ids)
+
+            rows = []
+            for event in events:
+                try:
+                    event_id = event.event_id
+                    origin_server_ts = event.origin_server_ts
+                except (KeyError, AttributeError):
+                    # If the event is missing a necessary field then
+                    # skip over it.
+                    continue
+
+                rows.append((origin_server_ts, event_id))
+
+            sql = (
+                "UPDATE events SET origin_server_ts = ? WHERE event_id = ?"
+            )
+
+            for index in range(0, len(rows), INSERT_CLUMP_SIZE):
+                clump = rows[index:index + INSERT_CLUMP_SIZE]
+                txn.executemany(sql, clump)
+
+            progress = {
+                "target_min_stream_id_inclusive": target_min_stream_id,
+                "max_stream_id_exclusive": min_stream_id,
+                "rows_inserted": rows_inserted + len(rows)
+            }
+
+            self._background_update_progress_txn(
+                txn, self.EVENT_ORIGIN_SERVER_TS_NAME, progress
+            )
+
+            return len(rows)
+
+        result = yield self.runInteraction(
+            self.EVENT_ORIGIN_SERVER_TS_NAME, reindex_search_txn
+        )
+
+        if not result:
+            yield self._end_background_update(self.EVENT_ORIGIN_SERVER_TS_NAME)
+
+        defer.returnValue(result)
diff --git a/synapse/storage/roommember.py b/synapse/storage/roommember.py
index d32ce1ab1e..69398b7c8e 100644
--- a/synapse/storage/roommember.py
+++ b/synapse/storage/roommember.py
@@ -160,7 +160,7 @@ class RoomMemberStore(SQLBaseStore):
 
     def _get_rooms_for_user_where_membership_is_txn(self, txn, user_id,
                                                     membership_list):
-        where_clause = "user_id = ? AND (%s) AND NOT forgotten" % (
+        where_clause = "user_id = ? AND (%s) AND forgotten = 0" % (
             " OR ".join(["membership = ?" for _ in membership_list]),
         )
 
diff --git a/synapse/storage/schema/delta/26/forgotten_memberships.sql b/synapse/storage/schema/delta/26/forgotten_memberships.sql
index df55b9c6f6..beeb8a288b 100644
--- a/synapse/storage/schema/delta/26/forgotten_memberships.sql
+++ b/synapse/storage/schema/delta/26/forgotten_memberships.sql
@@ -19,6 +19,8 @@
  *
  * If all users on this server have left a room, we can delete the room
  * entirely.
+ *
+ * This column should always contain either 0 or 1.
  */
 
- ALTER TABLE room_memberships ADD COLUMN forgotten INTEGER(1) DEFAULT 0;
+ ALTER TABLE room_memberships ADD COLUMN forgotten INTEGER DEFAULT 0;
diff --git a/synapse/storage/schema/delta/26/ts.py b/synapse/storage/schema/delta/26/ts.py
new file mode 100644
index 0000000000..8d4a981975
--- /dev/null
+++ b/synapse/storage/schema/delta/26/ts.py
@@ -0,0 +1,57 @@
+# Copyright 2015 OpenMarket 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 synapse.storage.prepare_database import get_statements
+
+import ujson
+
+logger = logging.getLogger(__name__)
+
+
+ALTER_TABLE = (
+    "ALTER TABLE events ADD COLUMN origin_server_ts BIGINT;"
+    "CREATE INDEX events_ts ON events(origin_server_ts, stream_ordering);"
+)
+
+
+def run_upgrade(cur, database_engine, *args, **kwargs):
+    for statement in get_statements(ALTER_TABLE.splitlines()):
+        cur.execute(statement)
+
+    cur.execute("SELECT MIN(stream_ordering) FROM events")
+    rows = cur.fetchall()
+    min_stream_id = rows[0][0]
+
+    cur.execute("SELECT MAX(stream_ordering) FROM events")
+    rows = cur.fetchall()
+    max_stream_id = rows[0][0]
+
+    if min_stream_id is not None and max_stream_id is not None:
+        progress = {
+            "target_min_stream_id_inclusive": min_stream_id,
+            "max_stream_id_exclusive": max_stream_id + 1,
+            "rows_inserted": 0,
+        }
+        progress_json = ujson.dumps(progress)
+
+        sql = (
+            "INSERT into background_updates (update_name, progress_json)"
+            " VALUES (?, ?)"
+        )
+
+        sql = database_engine.convert_param_style(sql)
+
+        cur.execute(sql, ("event_origin_server_ts", progress_json))
diff --git a/synapse/storage/search.py b/synapse/storage/search.py
index 380270b009..20a62d07ff 100644
--- a/synapse/storage/search.py
+++ b/synapse/storage/search.py
@@ -20,6 +20,7 @@ from synapse.api.errors import SynapseError
 from synapse.storage.engines import PostgresEngine, Sqlite3Engine
 
 import logging
+import re
 
 
 logger = logging.getLogger(__name__)
@@ -194,21 +195,28 @@ class SearchStore(BackgroundUpdateStore):
             for ev in events
         }
 
-        defer.returnValue([
-            {
-                "event": event_map[r["event_id"]],
-                "rank": r["rank"],
-            }
-            for r in results
-            if r["event_id"] in event_map
-        ])
+        highlights = None
+        if isinstance(self.database_engine, PostgresEngine):
+            highlights = yield self._find_highlights_in_postgres(search_term, events)
+
+        defer.returnValue({
+            "results": [
+                {
+                    "event": event_map[r["event_id"]],
+                    "rank": r["rank"],
+                }
+                for r in results
+                if r["event_id"] in event_map
+            ],
+            "highlights": highlights,
+        })
 
     @defer.inlineCallbacks
-    def search_room(self, room_id, search_term, keys, limit, pagination_token=None):
+    def search_rooms(self, room_ids, search_term, keys, limit, pagination_token=None):
         """Performs a full text search over events with given keys.
 
         Args:
-            room_id (str): The room_id to search in
+            room_id (list): The room_ids to search in
             search_term (str): Search term to search for
             keys (list): List of keys to search in, currently supports
                 "content.body", "content.name", "content.topic"
@@ -218,7 +226,15 @@ class SearchStore(BackgroundUpdateStore):
             list of dicts
         """
         clauses = []
-        args = [search_term, room_id]
+        args = [search_term]
+
+        # Make sure we don't explode because the person is in too many rooms.
+        # We filter the results below regardless.
+        if len(room_ids) < 500:
+            clauses.append(
+                "room_id IN (%s)" % (",".join(["?"] * len(room_ids)),)
+            )
+            args.extend(room_ids)
 
         local_clauses = []
         for key in keys:
@@ -231,25 +247,25 @@ class SearchStore(BackgroundUpdateStore):
 
         if pagination_token:
             try:
-                topo, stream = pagination_token.split(",")
-                topo = int(topo)
+                origin_server_ts, stream = pagination_token.split(",")
+                origin_server_ts = int(origin_server_ts)
                 stream = int(stream)
             except:
                 raise SynapseError(400, "Invalid pagination token")
 
             clauses.append(
-                "(topological_ordering < ?"
-                " OR (topological_ordering = ? AND stream_ordering < ?))"
+                "(origin_server_ts < ?"
+                " OR (origin_server_ts = ? AND stream_ordering < ?))"
             )
-            args.extend([topo, topo, stream])
+            args.extend([origin_server_ts, origin_server_ts, stream])
 
         if isinstance(self.database_engine, PostgresEngine):
             sql = (
                 "SELECT ts_rank_cd(vector, query) as rank,"
-                " topological_ordering, stream_ordering, room_id, event_id"
+                " origin_server_ts, stream_ordering, room_id, event_id"
                 " FROM plainto_tsquery('english', ?) as query, event_search"
                 " NATURAL JOIN events"
-                " WHERE vector @@ query AND room_id = ?"
+                " WHERE vector @@ query AND "
             )
         elif isinstance(self.database_engine, Sqlite3Engine):
             # We use CROSS JOIN here to ensure we use the right indexes.
@@ -262,24 +278,23 @@ class SearchStore(BackgroundUpdateStore):
             # MATCH unless it uses the full text search index
             sql = (
                 "SELECT rank(matchinfo) as rank, room_id, event_id,"
-                " topological_ordering, stream_ordering"
+                " origin_server_ts, stream_ordering"
                 " FROM (SELECT key, event_id, matchinfo(event_search) as matchinfo"
                 " FROM event_search"
                 " WHERE value MATCH ?"
                 " )"
                 " CROSS JOIN events USING (event_id)"
-                " WHERE room_id = ?"
+                " WHERE "
             )
         else:
             # This should be unreachable.
             raise Exception("Unrecognized database engine")
 
-        for clause in clauses:
-            sql += " AND " + clause
+        sql += " AND ".join(clauses)
 
         # We add an arbitrary limit here to ensure we don't try to pull the
         # entire table from the database.
-        sql += " ORDER BY topological_ordering DESC, stream_ordering DESC LIMIT ?"
+        sql += " ORDER BY origin_server_ts DESC, stream_ordering DESC LIMIT ?"
 
         args.append(limit)
 
@@ -287,6 +302,8 @@ class SearchStore(BackgroundUpdateStore):
             "search_rooms", self.cursor_to_dict, sql, *args
         )
 
+        results = filter(lambda row: row["room_id"] in room_ids, results)
+
         events = yield self._get_events([r["event_id"] for r in results])
 
         event_map = {
@@ -294,14 +311,91 @@ class SearchStore(BackgroundUpdateStore):
             for ev in events
         }
 
-        defer.returnValue([
-            {
-                "event": event_map[r["event_id"]],
-                "rank": r["rank"],
-                "pagination_token": "%s,%s" % (
-                    r["topological_ordering"], r["stream_ordering"]
-                ),
-            }
-            for r in results
-            if r["event_id"] in event_map
-        ])
+        highlights = None
+        if isinstance(self.database_engine, PostgresEngine):
+            highlights = yield self._find_highlights_in_postgres(search_term, events)
+
+        defer.returnValue({
+            "results": [
+                {
+                    "event": event_map[r["event_id"]],
+                    "rank": r["rank"],
+                    "pagination_token": "%s,%s" % (
+                        r["origin_server_ts"], r["stream_ordering"]
+                    ),
+                }
+                for r in results
+                if r["event_id"] in event_map
+            ],
+            "highlights": highlights,
+        })
+
+    def _find_highlights_in_postgres(self, search_term, events):
+        """Given a list of events and a search term, return a list of words
+        that match from the content of the event.
+
+        This is used to give a list of words that clients can match against to
+        highlight the matching parts.
+
+        Args:
+            search_term (str)
+            events (list): A list of events
+
+        Returns:
+            deferred : A set of strings.
+        """
+        def f(txn):
+            highlight_words = set()
+            for event in events:
+                # As a hack we simply join values of all possible keys. This is
+                # fine since we're only using them to find possible highlights.
+                values = []
+                for key in ("body", "name", "topic"):
+                    v = event.content.get(key, None)
+                    if v:
+                        values.append(v)
+
+                if not values:
+                    continue
+
+                value = " ".join(values)
+
+                # We need to find some values for StartSel and StopSel that
+                # aren't in the value so that we can pick results out.
+                start_sel = "<"
+                stop_sel = ">"
+
+                while start_sel in value:
+                    start_sel += "<"
+                while stop_sel in value:
+                    stop_sel += ">"
+
+                query = "SELECT ts_headline(?, plainto_tsquery('english', ?), %s)" % (
+                    _to_postgres_options({
+                        "StartSel": start_sel,
+                        "StopSel": stop_sel,
+                        "MaxFragments": "50",
+                    })
+                )
+                txn.execute(query, (value, search_term,))
+                headline, = txn.fetchall()[0]
+
+                # Now we need to pick the possible highlights out of the haedline
+                # result.
+                matcher_regex = "%s(.*?)%s" % (
+                    re.escape(start_sel),
+                    re.escape(stop_sel),
+                )
+
+                res = re.findall(matcher_regex, headline)
+                highlight_words.update([r.lower() for r in res])
+
+            return highlight_words
+
+        return self.runInteraction("_find_highlights", f)
+
+
+def _to_postgres_options(options_dict):
+    return "'%s'" % (
+        ",".join("%s=%s" % (k, v) for k, v in options_dict.items()),
+    )