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authorDavid Baker <dave@matrix.org>2016-06-30 17:51:28 +0100
committerDavid Baker <dave@matrix.org>2016-06-30 17:51:28 +0100
commitbe8be535f73e51a29cfa30f1eac266a7a08b695b (patch)
tree9090f4e64abf172a7c781533b6105bcff79c124d /synapse/handlers
parentMerge pull request #903 from matrix-org/erikj/deactivate_user (diff)
downloadsynapse-be8be535f73e51a29cfa30f1eac266a7a08b695b.tar.xz
requestToken update
Don't send requestToken request to untrusted ID servers

Also correct the THREEPID_IN_USE error to add the M_ prefix. This is a backwards incomaptible change, but the only thing using this is the angular client which is now unmaintained, so it's probably better to just do this now.
Diffstat (limited to 'synapse/handlers')
-rw-r--r--synapse/handlers/identity.py41
1 files changed, 27 insertions, 14 deletions
diff --git a/synapse/handlers/identity.py b/synapse/handlers/identity.py
index 656ce124f9..559e5d5a71 100644
--- a/synapse/handlers/identity.py
+++ b/synapse/handlers/identity.py
@@ -21,7 +21,7 @@ from synapse.api.errors import (
 )
 from ._base import BaseHandler
 from synapse.util.async import run_on_reactor
-from synapse.api.errors import SynapseError
+from synapse.api.errors import SynapseError, Codes
 
 import json
 import logging
@@ -41,6 +41,20 @@ class IdentityHandler(BaseHandler):
             hs.config.use_insecure_ssl_client_just_for_testing_do_not_use
         )
 
+    def _should_trust_id_server(self, id_server):
+        if id_server not in self.trusted_id_servers:
+            if self.trust_any_id_server_just_for_testing_do_not_use:
+                logger.warn(
+                    "Trusting untrustworthy ID server %r even though it isn't"
+                    " in the trusted id list for testing because"
+                    " 'use_insecure_ssl_client_just_for_testing_do_not_use'"
+                    " is set in the config",
+                    id_server,
+                )
+            else:
+                return False
+        return True
+
     @defer.inlineCallbacks
     def threepid_from_creds(self, creds):
         yield run_on_reactor()
@@ -59,19 +73,12 @@ class IdentityHandler(BaseHandler):
         else:
             raise SynapseError(400, "No client_secret in creds")
 
-        if id_server not in self.trusted_id_servers:
-            if self.trust_any_id_server_just_for_testing_do_not_use:
-                logger.warn(
-                    "Trusting untrustworthy ID server %r even though it isn't"
-                    " in the trusted id list for testing because"
-                    " 'use_insecure_ssl_client_just_for_testing_do_not_use'"
-                    " is set in the config",
-                    id_server,
-                )
-            else:
-                logger.warn('%s is not a trusted ID server: rejecting 3pid ' +
-                            'credentials', id_server)
-                defer.returnValue(None)
+        if not self._should_trust_id_server(id_server):
+            logger.warn(
+                '%s is not a trusted ID server: rejecting 3pid ' +
+                'credentials', id_server
+            )
+            defer.returnValue(None)
 
         data = {}
         try:
@@ -129,6 +136,12 @@ class IdentityHandler(BaseHandler):
     def requestEmailToken(self, id_server, email, client_secret, send_attempt, **kwargs):
         yield run_on_reactor()
 
+        if not self._should_trust_id_server(id_server):
+            raise SynapseError(
+                400, "Untrusted ID server '%s'" % id_server,
+                Codes.SERVER_NOT_TRUSTED
+            )
+
         params = {
             'email': email,
             'client_secret': client_secret,