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authorErik Johnston <erikj@jki.re>2018-06-22 15:06:44 +0100
committerGitHub <noreply@github.com>2018-06-22 15:06:44 +0100
commitce0d911156b355c5bf452120bfb08653dad96497 (patch)
treef473eea5f916d1ff056fecd7642a9461979752dd /synapse/handlers/federation.py
parentMerge pull request #3428 from matrix-org/erikj/persisted_pdu (diff)
parentFilter out erased messages (diff)
downloadsynapse-ce0d911156b355c5bf452120bfb08653dad96497.tar.xz
Merge pull request #3431 from matrix-org/rav/erasure_visibility
Support hiding events from deleted users
Diffstat (limited to 'synapse/handlers/federation.py')
-rw-r--r--synapse/handlers/federation.py13
1 files changed, 13 insertions, 0 deletions
diff --git a/synapse/handlers/federation.py b/synapse/handlers/federation.py
index 2571758284..1ca56c2c97 100644
--- a/synapse/handlers/federation.py
+++ b/synapse/handlers/federation.py
@@ -495,7 +495,20 @@ class FederationHandler(BaseHandler):
             for e_id, key_to_eid in event_to_state_ids.iteritems()
         }
 
+        erased_senders = yield self.store.are_users_erased(
+            e.sender for e in events,
+        )
+
         def redact_disallowed(event, state):
+            # if the sender has been gdpr17ed, always return a redacted
+            # copy of the event.
+            if erased_senders[event.sender]:
+                logger.info(
+                    "Sender of %s has been erased, redacting",
+                    event.event_id,
+                )
+                return prune_event(event)
+
             if not state:
                 return event