diff options
Diffstat (limited to 'synapse/handlers/e2e_keys.py')
| -rw-r--r-- | synapse/handlers/e2e_keys.py | 35 |
1 files changed, 27 insertions, 8 deletions
diff --git a/synapse/handlers/e2e_keys.py b/synapse/handlers/e2e_keys.py index 57a10daefd..2d889364d4 100644 --- a/synapse/handlers/e2e_keys.py +++ b/synapse/handlers/e2e_keys.py @@ -264,6 +264,7 @@ class E2eKeysHandler(object): return ret + @defer.inlineCallbacks def get_cross_signing_keys_from_cache(self, query, from_user_id): """Get cross-signing keys for users from the database @@ -283,14 +284,32 @@ class E2eKeysHandler(object): self_signing_keys = {} user_signing_keys = {} - # Currently a stub, implementation coming in https://github.com/matrix-org/synapse/pull/6486 - return defer.succeed( - { - "master_keys": master_keys, - "self_signing_keys": self_signing_keys, - "user_signing_keys": user_signing_keys, - } - ) + user_ids = list(query) + + keys = yield self.store.get_e2e_cross_signing_keys_bulk(user_ids, from_user_id) + + for user_id, user_info in keys.items(): + if user_info is None: + continue + if "master" in user_info: + master_keys[user_id] = user_info["master"] + if "self_signing" in user_info: + self_signing_keys[user_id] = user_info["self_signing"] + + if ( + from_user_id in keys + and keys[from_user_id] is not None + and "user_signing" in keys[from_user_id] + ): + # users can see other users' master and self-signing keys, but can + # only see their own user-signing keys + user_signing_keys[from_user_id] = keys[from_user_id]["user_signing"] + + return { + "master_keys": master_keys, + "self_signing_keys": self_signing_keys, + "user_signing_keys": user_signing_keys, + } @trace @defer.inlineCallbacks |