Add store-and-forward direct-to-device messaging

2 files changed, 75 insertions, 3 deletions

diff --git a/synapse/rest/client/v2_alpha/sendtodevice.py b/synapse/rest/client/v2_alpha/sendtodevice.py
new file mode 100644
index 0000000000..6180266499
--- /dev/null
+++ b/synapse/rest/client/v2_alpha/sendtodevice.py
@@ -0,0 +1,69 @@
+# -*- coding: utf-8 -*-
+# 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.
+
+import logging
+
+from twisted.internet import defer
+from synapse.http.servlet import parse_json_object_from_request
+
+from synapse.http import servlet
+from ._base import client_v2_patterns
+
+logger = logging.getLogger(__name__)
+
+
+class SendToDeviceRestServlet(servlet.RestServlet):
+    PATTERNS = client_v2_patterns(
+        "/sendToDevice/(?P<message_type>[^/]*)/(?P<txn_id>[^/]*)$",
+        releases=[], v2_alpha=False
+    )
+
+    def __init__(self, hs):
+        """
+        Args:
+            hs (synapse.server.HomeServer): server
+        """
+        super(SendToDeviceRestServlet, self).__init__()
+        self.hs = hs
+        self.auth = hs.get_auth()
+        self.store = hs.get_datastore()
+        self.is_mine_id = hs.is_mine_id
+
+    @defer.inlineCallbacks
+    def on_PUT(self, request, message_type, txn_id):
+        requester = yield self.auth.get_user_by_req(request)
+
+        content = parse_json_object_from_request(request)
+
+        local_messages = {}
+        for user_id, by_device in content["messages"].items():
+            if self.is_mine_id(user_id):
+                messages_by_device = {
+                    device_id: {
+                        "content": message_content,
+                        "type": message_type,
+                        "sender": requester.user.to_string(),
+                    }
+                    for device_id, message_content in by_device.items()
+                }
+                local_messages[user_id] = messages_by_device
+
+        yield self.store.add_messages_to_device_inbox(local_messages)
+
+        defer.returnValue((200, {}))
+
+
+def register_servlets(hs, http_server):
+    SendToDeviceRestServlet(hs).register(http_server)
diff --git a/synapse/rest/client/v2_alpha/sync.py b/synapse/rest/client/v2_alpha/sync.py
index b11acdbea7..6fc63715aa 100644
--- a/synapse/rest/client/v2_alpha/sync.py
+++ b/synapse/rest/client/v2_alpha/sync.py
@@ -97,6 +97,7 @@ class SyncRestServlet(RestServlet):
             request, allow_guest=True
         )
         user = requester.user
+        device_id = requester.device_id
 
         timeout = parse_integer(request, "timeout", default=0)
         since = parse_string(request, "since")
@@ -109,12 +110,12 @@ class SyncRestServlet(RestServlet):
 
         logger.info(
             "/sync: user=%r, timeout=%r, since=%r,"
-            " set_presence=%r, filter_id=%r" % (
-                user, timeout, since, set_presence, filter_id
+            " set_presence=%r, filter_id=%r, device_id=%r" % (
+                user, timeout, since, set_presence, filter_id, device_id
             )
         )
 
-        request_key = (user, timeout, since, filter_id, full_state)
+        request_key = (user, timeout, since, filter_id, full_state, device_id)
 
         if filter_id:
             if filter_id.startswith('{'):
@@ -136,6 +137,7 @@ class SyncRestServlet(RestServlet):
             filter_collection=filter,
             is_guest=requester.is_guest,
             request_key=request_key,
+            device_id=device_id,
         )
 
         if since is not None:
@@ -173,6 +175,7 @@ class SyncRestServlet(RestServlet):
 
         response_content = {
             "account_data": {"events": sync_result.account_data},
+            "to_device": {"events": sync_result.to_device},
             "presence": self.encode_presence(
                 sync_result.presence, time_now
             ),