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-rw-r--r--synapse/api/ratelimiting.py14
-rw-r--r--synapse/handlers/auth.py12
-rw-r--r--synapse/handlers/message.py17
-rw-r--r--synapse/push/emailpusher.py4
-rw-r--r--synapse/push/mailer.py2
-rw-r--r--synapse/rest/client/v2_alpha/filter.py12
-rw-r--r--synapse/storage/_base.py1
-rw-r--r--synapse/storage/schema/delta/37/user_threepids.sql23
8 files changed, 71 insertions, 14 deletions
diff --git a/synapse/api/ratelimiting.py b/synapse/api/ratelimiting.py
index 660dfb56e5..06cc8d90b8 100644
--- a/synapse/api/ratelimiting.py
+++ b/synapse/api/ratelimiting.py
@@ -23,7 +23,7 @@ class Ratelimiter(object):
     def __init__(self):
         self.message_counts = collections.OrderedDict()
 
-    def send_message(self, user_id, time_now_s, msg_rate_hz, burst_count):
+    def send_message(self, user_id, time_now_s, msg_rate_hz, burst_count, update=True):
         """Can the user send a message?
         Args:
             user_id: The user sending a message.
@@ -32,12 +32,15 @@ class Ratelimiter(object):
                 second.
             burst_count: How many messages the user can send before being
                 limited.
+            update (bool): Whether to update the message rates or not. This is
+                useful to check if a message would be allowed to be sent before
+                its ready to be actually sent.
         Returns:
             A pair of a bool indicating if they can send a message now and a
                 time in seconds of when they can next send a message.
         """
         self.prune_message_counts(time_now_s)
-        message_count, time_start, _ignored = self.message_counts.pop(
+        message_count, time_start, _ignored = self.message_counts.get(
             user_id, (0., time_now_s, None),
         )
         time_delta = time_now_s - time_start
@@ -52,9 +55,10 @@ class Ratelimiter(object):
             allowed = True
             message_count += 1
 
-        self.message_counts[user_id] = (
-            message_count, time_start, msg_rate_hz
-        )
+        if update:
+            self.message_counts[user_id] = (
+                message_count, time_start, msg_rate_hz
+            )
 
         if msg_rate_hz > 0:
             time_allowed = (
diff --git a/synapse/handlers/auth.py b/synapse/handlers/auth.py
index dc0fe60e1b..3635521230 100644
--- a/synapse/handlers/auth.py
+++ b/synapse/handlers/auth.py
@@ -611,6 +611,18 @@ class AuthHandler(BaseHandler):
 
     @defer.inlineCallbacks
     def add_threepid(self, user_id, medium, address, validated_at):
+        # 'Canonicalise' email addresses down to lower case.
+        # We've now moving towards the Home Server being the entity that
+        # is responsible for validating threepids used for resetting passwords
+        # on accounts, so in future Synapse will gain knowledge of specific
+        # types (mediums) of threepid. For now, we still use the existing
+        # infrastructure, but this is the start of synapse gaining knowledge
+        # of specific types of threepid (and fixes the fact that checking
+        # for the presenc eof an email address during password reset was
+        # case sensitive).
+        if medium == 'email':
+            address = address.lower()
+
         yield self.store.user_add_threepid(
             user_id, medium, address, validated_at,
             self.hs.get_clock().time_msec()
diff --git a/synapse/handlers/message.py b/synapse/handlers/message.py
index 30ea9630f7..59eb26beaf 100644
--- a/synapse/handlers/message.py
+++ b/synapse/handlers/message.py
@@ -16,7 +16,7 @@
 from twisted.internet import defer
 
 from synapse.api.constants import EventTypes, Membership
-from synapse.api.errors import AuthError, Codes, SynapseError
+from synapse.api.errors import AuthError, Codes, SynapseError, LimitExceededError
 from synapse.crypto.event_signing import add_hashes_and_signatures
 from synapse.events.utils import serialize_event
 from synapse.events.validator import EventValidator
@@ -239,6 +239,21 @@ class MessageHandler(BaseHandler):
                 "Tried to send member event through non-member codepath"
             )
 
+        # We check here if we are currently being rate limited, so that we
+        # don't do unnecessary work. We check again just before we actually
+        # send the event.
+        time_now = self.clock.time()
+        allowed, time_allowed = self.ratelimiter.send_message(
+            event.sender, time_now,
+            msg_rate_hz=self.hs.config.rc_messages_per_second,
+            burst_count=self.hs.config.rc_message_burst_count,
+            update=False,
+        )
+        if not allowed:
+            raise LimitExceededError(
+                retry_after_ms=int(1000 * (time_allowed - time_now)),
+            )
+
         user = UserID.from_string(event.sender)
 
         assert self.hs.is_mine(user), "User must be our own: %s" % (user,)
diff --git a/synapse/push/emailpusher.py b/synapse/push/emailpusher.py
index 6600c9cd55..2eb325c7c7 100644
--- a/synapse/push/emailpusher.py
+++ b/synapse/push/emailpusher.py
@@ -150,6 +150,10 @@ class EmailPusher(object):
 
         soonest_due_at = None
 
+        if not unprocessed:
+            yield self.save_last_stream_ordering_and_success(self.max_stream_ordering)
+            return
+
         for push_action in unprocessed:
             received_at = push_action['received_ts']
             if received_at is None:
diff --git a/synapse/push/mailer.py b/synapse/push/mailer.py
index 3b63c19eca..53551632b6 100644
--- a/synapse/push/mailer.py
+++ b/synapse/push/mailer.py
@@ -372,7 +372,7 @@ class Mailer(object):
                     state_event_id = room_state_ids[room_id][
                         ("m.room.member", event.sender)
                     ]
-                    state_event = yield self.get_event(state_event_id)
+                    state_event = yield self.store.get_event(state_event_id)
                     sender_name = name_from_member_event(state_event)
 
                 if sender_name is not None and room_name is not None:
diff --git a/synapse/rest/client/v2_alpha/filter.py b/synapse/rest/client/v2_alpha/filter.py
index 510f8b2c74..b4084fec62 100644
--- a/synapse/rest/client/v2_alpha/filter.py
+++ b/synapse/rest/client/v2_alpha/filter.py
@@ -15,7 +15,7 @@
 
 from twisted.internet import defer
 
-from synapse.api.errors import AuthError, SynapseError
+from synapse.api.errors import AuthError, SynapseError, StoreError, Codes
 from synapse.http.servlet import RestServlet, parse_json_object_from_request
 from synapse.types import UserID
 
@@ -45,7 +45,7 @@ class GetFilterRestServlet(RestServlet):
             raise AuthError(403, "Cannot get filters for other users")
 
         if not self.hs.is_mine(target_user):
-            raise SynapseError(400, "Can only get filters for local users")
+            raise AuthError(403, "Can only get filters for local users")
 
         try:
             filter_id = int(filter_id)
@@ -59,8 +59,8 @@ class GetFilterRestServlet(RestServlet):
             )
 
             defer.returnValue((200, filter.get_filter_json()))
-        except KeyError:
-            raise SynapseError(400, "No such filter")
+        except (KeyError, StoreError):
+            raise SynapseError(400, "No such filter", errcode=Codes.NOT_FOUND)
 
 
 class CreateFilterRestServlet(RestServlet):
@@ -74,6 +74,7 @@ class CreateFilterRestServlet(RestServlet):
 
     @defer.inlineCallbacks
     def on_POST(self, request, user_id):
+
         target_user = UserID.from_string(user_id)
         requester = yield self.auth.get_user_by_req(request)
 
@@ -81,10 +82,9 @@ class CreateFilterRestServlet(RestServlet):
             raise AuthError(403, "Cannot create filters for other users")
 
         if not self.hs.is_mine(target_user):
-            raise SynapseError(400, "Can only create filters for local users")
+            raise AuthError(403, "Can only create filters for local users")
 
         content = parse_json_object_from_request(request)
-
         filter_id = yield self.filtering.add_user_filter(
             user_localpart=target_user.localpart,
             user_filter=content,
diff --git a/synapse/storage/_base.py b/synapse/storage/_base.py
index 49fa8614f2..d828d6ee1d 100644
--- a/synapse/storage/_base.py
+++ b/synapse/storage/_base.py
@@ -85,7 +85,6 @@ class LoggingTransaction(object):
         sql_logger.debug("[SQL] {%s} %s", self.name, sql)
 
         sql = self.database_engine.convert_param_style(sql)
-
         if args:
             try:
                 sql_logger.debug(
diff --git a/synapse/storage/schema/delta/37/user_threepids.sql b/synapse/storage/schema/delta/37/user_threepids.sql
new file mode 100644
index 0000000000..ef8813e72a
--- /dev/null
+++ b/synapse/storage/schema/delta/37/user_threepids.sql
@@ -0,0 +1,23 @@
+/* Copyright 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.
+ * 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.
+ */
+
+/*
+ * Update any email addresses that were stored with mixed case into all
+ * lowercase
+ */
+UPDATE user_threepids SET address = LOWER(address) where medium = 'email';
+
+/* Add an index for the select we do on passwored reset */
+CREATE INDEX user_threepids_medium_address on user_threepids (medium, address);