diff --git a/synapse/api/constants.py b/synapse/api/constants.py
index f29bce560ca99b7aa81532be3df518eb061e1f42..60e99e4663a75c0b3affd7ffa9f6b3492c12266b 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 6ee621666013bd547675d873c7fa5f1939ed3392..5b22a39b7fcaa751cf31d83134aa1450d53e94be 100644
--- a/synapse/federation/federation_client.py
+++ b/synapse/federation/federation_client.py
@@ -878,44 +878,6 @@ class FederationClient(FederationBase):
third_party_instance_id=third_party_instance_id,
)
- @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,
diff --git a/synapse/federation/transport/client.py b/synapse/federation/transport/client.py
index 482a101c092f5340ac9af13d140bbc8a8e41cf0c..7b18408144ac5186e044175b08b78971bf522541 100644
--- a/synapse/federation/transport/client.py
+++ b/synapse/federation/transport/client.py
@@ -381,17 +381,6 @@ class TransportLayerClient(object):
return content
- @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):
diff --git a/synapse/handlers/federation.py b/synapse/handlers/federation.py
index 50fc0fde2af5335e19b8419dbfb881bcc7baef39..57f661f16e3b756f13f56c2c84a4f6c6f0ab11a4 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 {