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-rw-r--r--synapse/handlers/events.py8
-rw-r--r--synapse/handlers/initial_sync.py44
-rw-r--r--synapse/handlers/message.py7
-rw-r--r--synapse/handlers/pagination.py22
-rw-r--r--synapse/handlers/search.py42
5 files changed, 71 insertions, 52 deletions
diff --git a/synapse/handlers/events.py b/synapse/handlers/events.py
index 1b4d8c74ae..6003ad9cca 100644
--- a/synapse/handlers/events.py
+++ b/synapse/handlers/events.py
@@ -21,7 +21,6 @@ from twisted.internet import defer
 from synapse.api.constants import EventTypes, Membership
 from synapse.api.errors import AuthError, SynapseError
 from synapse.events import EventBase
-from synapse.events.utils import serialize_event
 from synapse.types import UserID
 from synapse.util.logutils import log_function
 from synapse.visibility import filter_events_for_client
@@ -50,6 +49,7 @@ class EventStreamHandler(BaseHandler):
         self.notifier = hs.get_notifier()
         self.state = hs.get_state_handler()
         self._server_notices_sender = hs.get_server_notices_sender()
+        self._event_serializer = hs.get_event_client_serializer()
 
     @defer.inlineCallbacks
     @log_function
@@ -120,9 +120,9 @@ class EventStreamHandler(BaseHandler):
 
             time_now = self.clock.time_msec()
 
-            chunks = [
-                serialize_event(e, time_now, as_client_event) for e in events
-            ]
+            chunks = yield self._event_serializer.serialize_events(
+                events, time_now, as_client_event=as_client_event,
+            )
 
             chunk = {
                 "chunk": chunks,
diff --git a/synapse/handlers/initial_sync.py b/synapse/handlers/initial_sync.py
index 7dfae78db0..aaee5db0b7 100644
--- a/synapse/handlers/initial_sync.py
+++ b/synapse/handlers/initial_sync.py
@@ -19,7 +19,6 @@ from twisted.internet import defer
 
 from synapse.api.constants import EventTypes, Membership
 from synapse.api.errors import AuthError, Codes, SynapseError
-from synapse.events.utils import serialize_event
 from synapse.events.validator import EventValidator
 from synapse.handlers.presence import format_user_presence_state
 from synapse.streams.config import PaginationConfig
@@ -43,6 +42,7 @@ class InitialSyncHandler(BaseHandler):
         self.clock = hs.get_clock()
         self.validator = EventValidator()
         self.snapshot_cache = SnapshotCache()
+        self._event_serializer = hs.get_event_client_serializer()
 
     def snapshot_all_rooms(self, user_id=None, pagin_config=None,
                            as_client_event=True, include_archived=False):
@@ -138,7 +138,9 @@ class InitialSyncHandler(BaseHandler):
                 d["inviter"] = event.sender
 
                 invite_event = yield self.store.get_event(event.event_id)
-                d["invite"] = serialize_event(invite_event, time_now, as_client_event)
+                d["invite"] = yield self._event_serializer.serialize_event(
+                    invite_event, time_now, as_client_event,
+                )
 
             rooms_ret.append(d)
 
@@ -185,18 +187,21 @@ class InitialSyncHandler(BaseHandler):
                 time_now = self.clock.time_msec()
 
                 d["messages"] = {
-                    "chunk": [
-                        serialize_event(m, time_now, as_client_event)
-                        for m in messages
-                    ],
+                    "chunk": (
+                        yield self._event_serializer.serialize_events(
+                            messages, time_now=time_now,
+                            as_client_event=as_client_event,
+                        )
+                    ),
                     "start": start_token.to_string(),
                     "end": end_token.to_string(),
                 }
 
-                d["state"] = [
-                    serialize_event(c, time_now, as_client_event)
-                    for c in current_state.values()
-                ]
+                d["state"] = yield self._event_serializer.serialize_events(
+                    current_state.values(),
+                    time_now=time_now,
+                    as_client_event=as_client_event
+                )
 
                 account_data_events = []
                 tags = tags_by_room.get(event.room_id)
@@ -337,11 +342,15 @@ class InitialSyncHandler(BaseHandler):
             "membership": membership,
             "room_id": room_id,
             "messages": {
-                "chunk": [serialize_event(m, time_now) for m in messages],
+                "chunk": (yield self._event_serializer.serialize_events(
+                    messages, time_now,
+                )),
                 "start": start_token.to_string(),
                 "end": end_token.to_string(),
             },
-            "state": [serialize_event(s, time_now) for s in room_state.values()],
+            "state": (yield self._event_serializer.serialize_events(
+                room_state.values(), time_now,
+            )),
             "presence": [],
             "receipts": [],
         })
@@ -355,10 +364,9 @@ class InitialSyncHandler(BaseHandler):
 
         # TODO: These concurrently
         time_now = self.clock.time_msec()
-        state = [
-            serialize_event(x, time_now)
-            for x in current_state.values()
-        ]
+        state = yield self._event_serializer.serialize_events(
+            current_state.values(), time_now,
+        )
 
         now_token = yield self.hs.get_event_sources().get_current_token()
 
@@ -425,7 +433,9 @@ class InitialSyncHandler(BaseHandler):
         ret = {
             "room_id": room_id,
             "messages": {
-                "chunk": [serialize_event(m, time_now) for m in messages],
+                "chunk": (yield self._event_serializer.serialize_events(
+                    messages, time_now,
+                )),
                 "start": start_token.to_string(),
                 "end": end_token.to_string(),
             },
diff --git a/synapse/handlers/message.py b/synapse/handlers/message.py
index e5afeadf68..7b2c33a922 100644
--- a/synapse/handlers/message.py
+++ b/synapse/handlers/message.py
@@ -32,7 +32,6 @@ from synapse.api.errors import (
 )
 from synapse.api.room_versions import RoomVersions
 from synapse.api.urls import ConsentURIBuilder
-from synapse.events.utils import serialize_event
 from synapse.events.validator import EventValidator
 from synapse.replication.http.send_event import ReplicationSendEventRestServlet
 from synapse.storage.state import StateFilter
@@ -57,6 +56,7 @@ class MessageHandler(object):
         self.clock = hs.get_clock()
         self.state = hs.get_state_handler()
         self.store = hs.get_datastore()
+        self._event_serializer = hs.get_event_client_serializer()
 
     @defer.inlineCallbacks
     def get_room_data(self, user_id=None, room_id=None,
@@ -164,9 +164,10 @@ class MessageHandler(object):
                 room_state = room_state[membership_event_id]
 
         now = self.clock.time_msec()
-        defer.returnValue(
-            [serialize_event(c, now) for c in room_state.values()]
+        events = yield self._event_serializer.serialize_events(
+            room_state.values(), now,
         )
+        defer.returnValue(events)
 
     @defer.inlineCallbacks
     def get_joined_members(self, requester, room_id):
diff --git a/synapse/handlers/pagination.py b/synapse/handlers/pagination.py
index e4fdae9266..8f811e24fe 100644
--- a/synapse/handlers/pagination.py
+++ b/synapse/handlers/pagination.py
@@ -20,7 +20,6 @@ from twisted.python.failure import Failure
 
 from synapse.api.constants import EventTypes, Membership
 from synapse.api.errors import SynapseError
-from synapse.events.utils import serialize_event
 from synapse.storage.state import StateFilter
 from synapse.types import RoomStreamToken
 from synapse.util.async_helpers import ReadWriteLock
@@ -78,6 +77,7 @@ class PaginationHandler(object):
         self._purges_in_progress_by_room = set()
         # map from purge id to PurgeStatus
         self._purges_by_id = {}
+        self._event_serializer = hs.get_event_client_serializer()
 
     def start_purge_history(self, room_id, token,
                             delete_local_events=False):
@@ -278,18 +278,22 @@ class PaginationHandler(object):
         time_now = self.clock.time_msec()
 
         chunk = {
-            "chunk": [
-                serialize_event(e, time_now, as_client_event)
-                for e in events
-            ],
+            "chunk": (
+                yield self._event_serializer.serialize_events(
+                    events, time_now,
+                    as_client_event=as_client_event,
+                )
+            ),
             "start": pagin_config.from_token.to_string(),
             "end": next_token.to_string(),
         }
 
         if state:
-            chunk["state"] = [
-                serialize_event(e, time_now, as_client_event)
-                for e in state
-            ]
+            chunk["state"] = (
+                yield self._event_serializer.serialize_events(
+                    state, time_now,
+                    as_client_event=as_client_event,
+                )
+            )
 
         defer.returnValue(chunk)
diff --git a/synapse/handlers/search.py b/synapse/handlers/search.py
index 49c439313e..9bba74d6c9 100644
--- a/synapse/handlers/search.py
+++ b/synapse/handlers/search.py
@@ -23,7 +23,6 @@ from twisted.internet import defer
 from synapse.api.constants import EventTypes, Membership
 from synapse.api.errors import SynapseError
 from synapse.api.filtering import Filter
-from synapse.events.utils import serialize_event
 from synapse.storage.state import StateFilter
 from synapse.visibility import filter_events_for_client
 
@@ -36,6 +35,7 @@ class SearchHandler(BaseHandler):
 
     def __init__(self, hs):
         super(SearchHandler, self).__init__(hs)
+        self._event_serializer = hs.get_event_client_serializer()
 
     @defer.inlineCallbacks
     def get_old_rooms_from_upgraded_room(self, room_id):
@@ -401,14 +401,16 @@ class SearchHandler(BaseHandler):
         time_now = self.clock.time_msec()
 
         for context in contexts.values():
-            context["events_before"] = [
-                serialize_event(e, time_now)
-                for e in context["events_before"]
-            ]
-            context["events_after"] = [
-                serialize_event(e, time_now)
-                for e in context["events_after"]
-            ]
+            context["events_before"] = (
+                yield self._event_serializer.serialize_events(
+                    context["events_before"], time_now,
+                )
+            )
+            context["events_after"] = (
+                yield self._event_serializer.serialize_events(
+                    context["events_after"], time_now,
+                )
+            )
 
         state_results = {}
         if include_state:
@@ -422,14 +424,13 @@ class SearchHandler(BaseHandler):
         # We're now about to serialize the events. We should not make any
         # blocking calls after this. Otherwise the 'age' will be wrong
 
-        results = [
-            {
+        results = []
+        for e in allowed_events:
+            results.append({
                 "rank": rank_map[e.event_id],
-                "result": serialize_event(e, time_now),
+                "result": (yield self._event_serializer.serialize_event(e, time_now)),
                 "context": contexts.get(e.event_id, {}),
-            }
-            for e in allowed_events
-        ]
+            })
 
         rooms_cat_res = {
             "results": results,
@@ -438,10 +439,13 @@ class SearchHandler(BaseHandler):
         }
 
         if state_results:
-            rooms_cat_res["state"] = {
-                room_id: [serialize_event(e, time_now) for e in state]
-                for room_id, state in state_results.items()
-            }
+            s = {}
+            for room_id, state in state_results.items():
+                s[room_id] = yield self._event_serializer.serialize_events(
+                    state, time_now,
+                )
+
+            rooms_cat_res["state"] = s
 
         if room_groups and "room_id" in group_keys:
             rooms_cat_res.setdefault("groups", {})["room_id"] = room_groups