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-rw-r--r--synapse/api/constants.py2
-rw-r--r--synapse/federation/federation_client.py38
-rw-r--r--synapse/federation/transport/client.py11
-rw-r--r--synapse/handlers/federation.py102
4 files changed, 0 insertions, 153 deletions
diff --git a/synapse/api/constants.py b/synapse/api/constants.py
index f29bce560c..60e99e4663 100644
--- a/synapse/api/constants.py
+++ b/synapse/api/constants.py
@@ -97,8 +97,6 @@ class EventTypes(object):
 
 class RejectedReason(object):
     AUTH_ERROR = "auth_error"
-    REPLACED = "replaced"
-    NOT_ANCESTOR = "not_ancestor"
 
 
 class RoomCreationPreset(object):
diff --git a/synapse/federation/federation_client.py b/synapse/federation/federation_client.py
index 6ee6216660..5b22a39b7f 100644
--- a/synapse/federation/federation_client.py
+++ b/synapse/federation/federation_client.py
@@ -879,44 +879,6 @@ class FederationClient(FederationBase):
         )
 
     @defer.inlineCallbacks
-    def query_auth(self, destination, room_id, event_id, local_auth):
-        """
-        Params:
-            destination (str)
-            event_it (str)
-            local_auth (list)
-        """
-        time_now = self._clock.time_msec()
-
-        send_content = {"auth_chain": [e.get_pdu_json(time_now) for e in local_auth]}
-
-        code, content = yield self.transport_layer.send_query_auth(
-            destination=destination,
-            room_id=room_id,
-            event_id=event_id,
-            content=send_content,
-        )
-
-        room_version = yield self.store.get_room_version(room_id)
-        format_ver = room_version_to_event_format(room_version)
-
-        auth_chain = [event_from_pdu_json(e, format_ver) for e in content["auth_chain"]]
-
-        signed_auth = yield self._check_sigs_and_hash_and_fetch(
-            destination, auth_chain, outlier=True, room_version=room_version
-        )
-
-        signed_auth.sort(key=lambda e: e.depth)
-
-        ret = {
-            "auth_chain": signed_auth,
-            "rejects": content.get("rejects", []),
-            "missing": content.get("missing", []),
-        }
-
-        return ret
-
-    @defer.inlineCallbacks
     def get_missing_events(
         self,
         destination,
diff --git a/synapse/federation/transport/client.py b/synapse/federation/transport/client.py
index 482a101c09..7b18408144 100644
--- a/synapse/federation/transport/client.py
+++ b/synapse/federation/transport/client.py
@@ -383,17 +383,6 @@ class TransportLayerClient(object):
 
     @defer.inlineCallbacks
     @log_function
-    def send_query_auth(self, destination, room_id, event_id, content):
-        path = _create_v1_path("/query_auth/%s/%s", room_id, event_id)
-
-        content = yield self.client.post_json(
-            destination=destination, path=path, data=content
-        )
-
-        return content
-
-    @defer.inlineCallbacks
-    @log_function
     def query_client_keys(self, destination, query_content, timeout):
         """Query the device keys for a list of user ids hosted on a remote
         server.
diff --git a/synapse/handlers/federation.py b/synapse/handlers/federation.py
index 50fc0fde2a..57f661f16e 100644
--- a/synapse/handlers/federation.py
+++ b/synapse/handlers/federation.py
@@ -2181,103 +2181,10 @@ class FederationHandler(BaseHandler):
 
             auth_events.update(new_state)
 
-            different_auth = event_auth_events.difference(
-                e.event_id for e in auth_events.values()
-            )
-
             yield self._update_context_for_auth_events(
                 event, context, auth_events, event_key
             )
 
-        if not different_auth:
-            # we're done
-            return
-
-        logger.info(
-            "auth_events still refers to events which are not in the calculated auth "
-            "chain after state resolution: %s",
-            different_auth,
-        )
-
-        # Only do auth resolution if we have something new to say.
-        # We can't prove an auth failure.
-        do_resolution = False
-
-        for e_id in different_auth:
-            if e_id in have_events:
-                if have_events[e_id] == RejectedReason.NOT_ANCESTOR:
-                    do_resolution = True
-                    break
-
-        if not do_resolution:
-            logger.info(
-                "Skipping auth resolution due to lack of provable rejection reasons"
-            )
-            return
-
-        logger.info("Doing auth resolution")
-
-        prev_state_ids = yield context.get_prev_state_ids(self.store)
-
-        # 1. Get what we think is the auth chain.
-        auth_ids = yield self.auth.compute_auth_events(event, prev_state_ids)
-        local_auth_chain = yield self.store.get_auth_chain(auth_ids, include_given=True)
-
-        try:
-            # 2. Get remote difference.
-            try:
-                result = yield self.federation_client.query_auth(
-                    origin, event.room_id, event.event_id, local_auth_chain
-                )
-            except RequestSendFailed as e:
-                # The other side isn't around or doesn't implement the
-                # endpoint, so lets just bail out.
-                logger.info("Failed to query auth from remote: %s", e)
-                return
-
-            seen_remotes = yield self.store.have_seen_events(
-                [e.event_id for e in result["auth_chain"]]
-            )
-
-            # 3. Process any remote auth chain events we haven't seen.
-            for ev in result["auth_chain"]:
-                if ev.event_id in seen_remotes:
-                    continue
-
-                if ev.event_id == event.event_id:
-                    continue
-
-                try:
-                    auth_ids = ev.auth_event_ids()
-                    auth = {
-                        (e.type, e.state_key): e
-                        for e in result["auth_chain"]
-                        if e.event_id in auth_ids or event.type == EventTypes.Create
-                    }
-                    ev.internal_metadata.outlier = True
-
-                    logger.debug(
-                        "do_auth %s different_auth: %s", event.event_id, e.event_id
-                    )
-
-                    yield self._handle_new_event(origin, ev, auth_events=auth)
-
-                    if ev.event_id in event_auth_events:
-                        auth_events[(ev.type, ev.state_key)] = ev
-                except AuthError:
-                    pass
-
-        except Exception:
-            # FIXME:
-            logger.exception("Failed to query auth chain")
-
-        # 4. Look at rejects and their proofs.
-        # TODO.
-
-        yield self._update_context_for_auth_events(
-            event, context, auth_events, event_key
-        )
-
     @defer.inlineCallbacks
     def _update_context_for_auth_events(self, event, context, auth_events, event_key):
         """Update the state_ids in an event context after auth event resolution,
@@ -2444,15 +2351,6 @@ class FederationHandler(BaseHandler):
 
             reason_map[e.event_id] = reason
 
-            if reason == RejectedReason.AUTH_ERROR:
-                pass
-            elif reason == RejectedReason.REPLACED:
-                # TODO: Get proof
-                pass
-            elif reason == RejectedReason.NOT_ANCESTOR:
-                # TODO: Get proof.
-                pass
-
         logger.debug("construct_auth_difference returning")
 
         return {