From 916b8061d20dc0902b7f2d42d994efc20300e9e7 Mon Sep 17 00:00:00 2001 From: Hugh Nimmo-Smith Date: Thu, 2 Mar 2023 10:34:59 +0000 Subject: Implementation of MSC3967: Don't require UIA for initial upload of cross signing keys (#15077) --- synapse/rest/client/keys.py | 32 +++++++++++++++++++++++--------- 1 file changed, 23 insertions(+), 9 deletions(-) (limited to 'synapse/rest/client') diff --git a/synapse/rest/client/keys.py b/synapse/rest/client/keys.py index 7873b363c0..32bb8b9a91 100644 --- a/synapse/rest/client/keys.py +++ b/synapse/rest/client/keys.py @@ -312,15 +312,29 @@ class SigningKeyUploadServlet(RestServlet): user_id = requester.user.to_string() body = parse_json_object_from_request(request) - await self.auth_handler.validate_user_via_ui_auth( - requester, - request, - body, - "add a device signing key to your account", - # Allow skipping of UI auth since this is frequently called directly - # after login and it is silly to ask users to re-auth immediately. - can_skip_ui_auth=True, - ) + if self.hs.config.experimental.msc3967_enabled: + if await self.e2e_keys_handler.is_cross_signing_set_up_for_user(user_id): + # If we already have a master key then cross signing is set up and we require UIA to reset + await self.auth_handler.validate_user_via_ui_auth( + requester, + request, + body, + "reset the device signing key on your account", + # Do not allow skipping of UIA auth. + 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( + requester, + request, + body, + "add a device signing key to your account", + # Allow skipping of UI auth since this is frequently called directly + # after login and it is silly to ask users to re-auth immediately. + can_skip_ui_auth=True, + ) result = await self.e2e_keys_handler.upload_signing_keys_for_user(user_id, body) return 200, result -- cgit 1.4.1