2 files changed, 29 insertions, 0 deletions
diff --git a/synapse/rest/client/v1/__init__.py b/synapse/rest/client/v1/__init__.py
index 21876b3487..1ebdeadca5 100644
--- a/synapse/rest/client/v1/__init__.py
+++ b/synapse/rest/client/v1/__init__.py
@@ -28,6 +28,14 @@ class ClientV1RestResource(JsonResource):
         JsonResource.__init__(self, hs)
         self.register_servlets(self, hs)
 
+    def get_extra_resources(self, hs):
+        # some parts of client v1 need to produce HTML as the output (e.g.
+        # fallback pages) but we can only produce JSON output. In an effort to
+        # keep similar logic close together, we'll call through to any servlet
+        # which requires HTML output.
+        register_resources = register.get_prefixes_and_resources(hs)
+        return register_resources
+
     @staticmethod
     def register_servlets(client_resource, hs):
         room.register_servlets(hs, client_resource)
diff --git a/synapse/rest/client/v1/register.py b/synapse/rest/client/v1/register.py
index f5acfb945f..eee567a583 100644
--- a/synapse/rest/client/v1/register.py
+++ b/synapse/rest/client/v1/register.py
@@ -18,10 +18,12 @@ from twisted.internet import defer
 
 from synapse.api.errors import SynapseError, Codes
 from synapse.api.constants import LoginType
+from synapse.api.urls import STATIC_PREFIX
 from base import ClientV1RestServlet, client_path_pattern
 import synapse.util.stringutils as stringutils
 
 from synapse.util.async import run_on_reactor
+from twisted.web.resource import Resource
 
 from hashlib import sha1
 import hmac
@@ -305,6 +307,16 @@ class RegisterRestServlet(ClientV1RestServlet):
         })
 
 
+class RegisterFallbackResource(Resource):
+
+    def __init__(self, hs):
+        Resource.__init__(self)  # Resource is an old-style class :(
+        self.hs = hs
+
+    def render_GET(self, request):
+        return "NOT_YET_IMPLEMENTED"
+
+
 def _parse_json(request):
     try:
         content = json.loads(request.content.read())
@@ -315,5 +327,14 @@ def _parse_json(request):
         raise SynapseError(400, "Content not JSON.")
 
 
+def get_prefixes_and_resources(hs):
+    return [
+        (
+            STATIC_PREFIX + "/client/register",
+            RegisterFallbackResource(hs)
+        )
+    ]
+
+
 def register_servlets(hs, http_server):
     RegisterRestServlet(hs).register(http_server)