diff options
Diffstat (limited to 'synapse/rest')
| -rw-r--r-- | synapse/rest/client/keys.py | 14 |
1 files changed, 12 insertions, 2 deletions
diff --git a/synapse/rest/client/keys.py b/synapse/rest/client/keys.py index b6d9ee074a..86c9515854 100644 --- a/synapse/rest/client/keys.py +++ b/synapse/rest/client/keys.py @@ -409,7 +409,18 @@ class SigningKeyUploadServlet(RestServlet): # But first-time setup is fine elif self.hs.config.experimental.msc3967_enabled: - # If we already have a master key then cross signing is set up and we require UIA to reset + # MSC3967 allows this endpoint to 200 OK for idempotency. Resending exactly the same + # keys should just 200 OK without doing a UIA prompt. + keys_are_different = await self.e2e_keys_handler.has_different_keys( + user_id, body + ) + if not keys_are_different: + # FIXME: we do not fallthrough to upload_signing_keys_for_user because confusingly + # if we do, we 500 as it looks like it tries to INSERT the same key twice, causing a + # unique key constraint violation. This sounds like a bug? + return 200, {} + # the keys are different, is x-signing set up? If no, then the keys don't exist which is + # why they are different. If yes, then we need to UIA to change them. if is_cross_signing_setup: await self.auth_handler.validate_user_via_ui_auth( requester, @@ -420,7 +431,6 @@ class SigningKeyUploadServlet(RestServlet): can_skip_ui_auth=False, ) # Otherwise we don't require UIA since we are setting up cross signing for first time - else: # Previous behaviour is to always require UIA but allow it to be skipped await self.auth_handler.validate_user_via_ui_auth( |