Merge branch 'develop' of github.com:matrix-org/synapse into erikj-perf

1 files changed, 87 insertions, 0 deletions

diff --git a/synapse/rest/client/v1/events.py b/synapse/rest/client/v1/events.py
new file mode 100644
index 0000000000..77b7c25a03
--- /dev/null
+++ b/synapse/rest/client/v1/events.py
@@ -0,0 +1,87 @@
+# -*- coding: utf-8 -*-
+# Copyright 2014, 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.
+
+"""This module contains REST servlets to do with event streaming, /events."""
+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 synapse.events.utils import serialize_event
+
+import logging
+
+
+logger = logging.getLogger(__name__)
+
+
+class EventStreamRestServlet(ClientV1RestServlet):
+    PATTERN = client_path_pattern("/events$")
+
+    DEFAULT_LONGPOLL_TIME_MS = 30000
+
+    @defer.inlineCallbacks
+    def on_GET(self, request):
+        auth_user, client = yield self.auth.get_user_by_req(request)
+        try:
+            handler = self.handlers.event_stream_handler
+            pagin_config = PaginationConfig.from_request(request)
+            timeout = EventStreamRestServlet.DEFAULT_LONGPOLL_TIME_MS
+            if "timeout" in request.args:
+                try:
+                    timeout = int(request.args["timeout"][0])
+                except ValueError:
+                    raise SynapseError(400, "timeout must be in milliseconds.")
+
+            as_client_event = "raw" not in request.args
+
+            chunk = yield handler.get_stream(
+                auth_user.to_string(), pagin_config, timeout=timeout,
+                as_client_event=as_client_event
+            )
+        except:
+            logger.exception("Event stream failed")
+            raise
+
+        defer.returnValue((200, chunk))
+
+    def on_OPTIONS(self, request):
+        return (200, {})
+
+
+# TODO: Unit test gets, with and without auth, with different kinds of events.
+class EventRestServlet(ClientV1RestServlet):
+    PATTERN = client_path_pattern("/events/(?P<event_id>[^/]*)$")
+
+    def __init__(self, hs):
+        super(EventRestServlet, self).__init__(hs)
+        self.clock = hs.get_clock()
+
+    @defer.inlineCallbacks
+    def on_GET(self, request, event_id):
+        auth_user, client = yield self.auth.get_user_by_req(request)
+        handler = self.handlers.event_handler
+        event = yield handler.get_event(auth_user, event_id)
+
+        time_now = self.clock.time_msec()
+        if event:
+            defer.returnValue((200, serialize_event(event, time_now)))
+        else:
+            defer.returnValue((404, "Event not found."))
+
+
+def register_servlets(hs, http_server):
+    EventStreamRestServlet(hs).register(http_server)
+    EventRestServlet(hs).register(http_server)