From 50776261e1565afe45a1cfd4a991c24110c2e519 Mon Sep 17 00:00:00 2001
From: Andrew Morgan <1342360+anoadragon453@users.noreply.github.com>
Date: Mon, 23 Sep 2019 22:21:03 +0200
Subject: Add submit_url response parameter to msisdn /requestToken (#6079)

Second part of solving #6076
Fixes #6076

We return a submit_url parameter on calls to POST */msisdn/requestToken so that clients know where to submit token information to.
---
 synapse/handlers/identity.py | 12 +++++++++++-
 1 file changed, 11 insertions(+), 1 deletion(-)

(limited to 'synapse/handlers')

diff --git a/synapse/handlers/identity.py b/synapse/handlers/identity.py
index 264bdc2189..1f16afd14e 100644
--- a/synapse/handlers/identity.py
+++ b/synapse/handlers/identity.py
@@ -452,13 +452,23 @@ class IdentityHandler(BaseHandler):
                 id_server + "/_matrix/identity/api/v1/validate/msisdn/requestToken",
                 params,
             )
-            return data
         except HttpResponseException as e:
             logger.info("Proxied requestToken failed: %r", e)
             raise e.to_synapse_error()
         except TimeoutError:
             raise SynapseError(500, "Timed out contacting identity server")
 
+        assert self.hs.config.public_baseurl
+
+        # we need to tell the client to send the token back to us, since it doesn't
+        # otherwise know where to send it, so add submit_url response parameter
+        # (see also MSC2078)
+        data["submit_url"] = (
+            self.hs.config.public_baseurl
+            + "_matrix/client/unstable/add_threepid/msisdn/submit_token"
+        )
+        return data
+
     @defer.inlineCallbacks
     def validate_threepid_session(self, client_secret, sid):
         """Validates a threepid session with only the client secret and session ID
-- 
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