diff --git a/changelog.d/13789.bugfix b/changelog.d/13789.bugfix new file mode 100644 index 000000000..9e1e3e0fa --- /dev/null +++ b/changelog.d/13789.bugfix @@ -0,0 +1 @@ +Fix a long-standing spec compliance bug where Synapse would accept a trailing slash on the end of `/get_missing_events` federation requests. \ No newline at end of file diff --git a/synapse/federation/transport/server/federation.py b/synapse/federation/transport/server/federation.py index f7884bfbe..6bb4659c4 100644 --- a/synapse/federation/transport/server/federation.py +++ b/synapse/federation/transport/server/federation.py @@ -549,8 +549,7 @@ class FederationClientKeysClaimServlet(BaseFederationServerServlet): class FederationGetMissingEventsServlet(BaseFederationServerServlet): - # TODO(paul): Why does this path alone end with "/?" optional? - PATH = "/get_missing_events/(?P[^/]*)/?" + PATH = "/get_missing_events/(?P[^/]*)" async def on_POST( self,