3 files changed, 58 insertions, 6 deletions
diff --git a/synapse/http/client.py b/synapse/http/client.py
index 7793bab106..198f575cfa 100644
--- a/synapse/http/client.py
+++ b/synapse/http/client.py
@@ -63,6 +63,25 @@ class SimpleHttpClient(object):
         defer.returnValue(json.loads(body))
 
     @defer.inlineCallbacks
+    def post_json_get_json(self, uri, post_json):
+        json_str = json.dumps(post_json)
+
+        logger.info("HTTP POST %s -> %s", json_str, uri)
+
+        response = yield self.agent.request(
+            "POST",
+            uri.encode("ascii"),
+            headers=Headers({
+                "Content-Type": ["application/json"]
+            }),
+            bodyProducer=FileBodyProducer(StringIO(json_str))
+        )
+
+        body = yield readBody(response)
+
+        defer.returnValue(json.loads(body))
+
+    @defer.inlineCallbacks
     def get_json(self, uri, args={}):
         """ Get's some json from the given host and path
 
diff --git a/synapse/http/matrixfederationclient.py b/synapse/http/matrixfederationclient.py
index 1dda3ba2c7..c7bf1b47b8 100644
--- a/synapse/http/matrixfederationclient.py
+++ b/synapse/http/matrixfederationclient.py
@@ -245,6 +245,43 @@ class MatrixFederationHttpClient(object):
         defer.returnValue((response.code, body))
 
     @defer.inlineCallbacks
+    def post_json(self, destination, path, data={}):
+        """ Sends the specifed json data using POST
+
+        Args:
+            destination (str): The remote server to send the HTTP request
+                to.
+            path (str): The HTTP path.
+            data (dict): A dict containing the data that will be used as
+                the request body. This will be encoded as JSON.
+
+        Returns:
+            Deferred: Succeeds when we get a 2xx HTTP response. The result
+            will be the decoded JSON body. On a 4xx or 5xx error response a
+            CodeMessageException is raised.
+        """
+
+        def body_callback(method, url_bytes, headers_dict):
+            self.sign_request(
+                destination, method, url_bytes, headers_dict, data
+            )
+            return _JsonProducer(data)
+
+        response = yield self._create_request(
+            destination.encode("ascii"),
+            "POST",
+            path.encode("ascii"),
+            body_callback=body_callback,
+            headers_dict={"Content-Type": ["application/json"]},
+        )
+
+        logger.debug("Getting resp body")
+        body = yield readBody(response)
+        logger.debug("Got resp body")
+
+        defer.returnValue((response.code, body))
+
+    @defer.inlineCallbacks
     def get_json(self, destination, path, args={}, retry_on_dns_fail=True):
         """ GETs some json from the given host homeserver and path
 
diff --git a/synapse/http/server.py b/synapse/http/server.py
index 8015a22edf..0f6539e1be 100644
--- a/synapse/http/server.py
+++ b/synapse/http/server.py
@@ -16,7 +16,7 @@
 
 from synapse.http.agent_name import AGENT_NAME
 from synapse.api.errors import (
-    cs_exception, SynapseError, CodeMessageException
+    cs_exception, SynapseError, CodeMessageException, UnrecognizedRequestError
 )
 from synapse.util.logcontext import LoggingContext
 
@@ -139,11 +139,7 @@ class JsonResource(HttpServer, resource.Resource):
                     return
 
             # Huh. No one wanted to handle that? Fiiiiiine. Send 400.
-            self._send_response(
-                request,
-                400,
-                {"error": "Unrecognized request"}
-            )
+            raise UnrecognizedRequestError()
         except CodeMessageException as e:
             if isinstance(e, SynapseError):
                 logger.info("%s SynapseError: %s - %s", request, e.code, e.msg)