Use parse_json_object_from_request to parse JSON out of request bodies

3 files changed, 13 insertions, 22 deletions

diff --git a/synapse/rest/client/v1/presence.py b/synapse/rest/client/v1/presence.py
index bbfa1d6ac4..27d9ed586b 100644
--- a/synapse/rest/client/v1/presence.py
+++ b/synapse/rest/client/v1/presence.py
@@ -19,9 +19,9 @@ from twisted.internet import defer
 
 from synapse.api.errors import SynapseError, AuthError
 from synapse.types import UserID
+from synapse.http.servlet import parse_json_object_from_request
 from .base import ClientV1RestServlet, client_path_patterns
 
-import simplejson as json
 import logging
 
 logger = logging.getLogger(__name__)
@@ -56,9 +56,10 @@ class PresenceStatusRestServlet(ClientV1RestServlet):
             raise AuthError(403, "Can only set your own presence state")
 
         state = {}
-        try:
-            content = json.loads(request.content.read())
 
+        content = parse_json_object_from_request(request)
+
+        try:
             state["presence"] = content.pop("presence")
 
             if "status_msg" in content:
@@ -113,11 +114,7 @@ class PresenceListRestServlet(ClientV1RestServlet):
             raise SynapseError(
                 400, "Cannot modify another user's presence list")
 
-        try:
-            content = json.loads(request.content.read())
-        except:
-            logger.exception("JSON parse error")
-            raise SynapseError(400, "Unable to parse content")
+        content = parse_json_object_from_request(request)
 
         if "invite" in content:
             for u in content["invite"]:
diff --git a/synapse/rest/client/v1/profile.py b/synapse/rest/client/v1/profile.py
index 953764bd8e..65c4e2ebef 100644
--- a/synapse/rest/client/v1/profile.py
+++ b/synapse/rest/client/v1/profile.py
@@ -18,8 +18,7 @@ from twisted.internet import defer
 
 from .base import ClientV1RestServlet, client_path_patterns
 from synapse.types import UserID
-
-import simplejson as json
+from synapse.http.servlet import parse_json_object_from_request
 
 
 class ProfileDisplaynameRestServlet(ClientV1RestServlet):
@@ -44,8 +43,9 @@ class ProfileDisplaynameRestServlet(ClientV1RestServlet):
         requester = yield self.auth.get_user_by_req(request, allow_guest=True)
         user = UserID.from_string(user_id)
 
+        content = parse_json_object_from_request(request)
+
         try:
-            content = json.loads(request.content.read())
             new_name = content["displayname"]
         except:
             defer.returnValue((400, "Unable to parse name"))
@@ -81,8 +81,8 @@ class ProfileAvatarURLRestServlet(ClientV1RestServlet):
         requester = yield self.auth.get_user_by_req(request)
         user = UserID.from_string(user_id)
 
+        content = parse_json_object_from_request(request)
         try:
-            content = json.loads(request.content.read())
             new_name = content["avatar_url"]
         except:
             defer.returnValue((400, "Unable to parse name"))
diff --git a/synapse/rest/client/v1/room.py b/synapse/rest/client/v1/room.py
index 7a9f3d11b9..a1fa7daf79 100644
--- a/synapse/rest/client/v1/room.py
+++ b/synapse/rest/client/v1/room.py
@@ -24,7 +24,6 @@ from synapse.types import UserID, RoomID, RoomAlias
 from synapse.events.utils import serialize_event
 from synapse.http.servlet import parse_json_object_from_request
 
-import simplejson as json
 import logging
 import urllib
 
@@ -72,15 +71,10 @@ class RoomCreateRestServlet(ClientV1RestServlet):
         defer.returnValue((200, info))
 
     def get_room_config(self, request):
-        try:
-            user_supplied_config = json.loads(request.content.read())
-            if "visibility" not in user_supplied_config:
-                # default visibility
-                user_supplied_config["visibility"] = "public"
-            return user_supplied_config
-        except (ValueError, TypeError):
-            raise SynapseError(400, "Body must be JSON.",
-                               errcode=Codes.BAD_JSON)
+        user_supplied_config = parse_json_object_from_request(request)
+        # default visibility
+        user_supplied_config.setdefault("visibility", "public")
+        return user_supplied_config
 
     def on_OPTIONS(self, request):
         return (200, {})