diff options
| -rw-r--r-- | synapse/crypto/keyclient.py | 37 |
1 files changed, 31 insertions, 6 deletions
diff --git a/synapse/crypto/keyclient.py b/synapse/crypto/keyclient.py index 74008347c3..2452c7a26e 100644 --- a/synapse/crypto/keyclient.py +++ b/synapse/crypto/keyclient.py @@ -25,12 +25,15 @@ import logging logger = logging.getLogger(__name__) +KEY_API_V1 = b"/_matrix/key/v1/" +KEY_API_V2 = b"/_matrix/key/v2/local" @defer.inlineCallbacks -def fetch_server_key(server_name, ssl_context_factory): +def fetch_server_key(server_name, ssl_context_factory, path=KEY_API_V1): """Fetch the keys for a remote server.""" factory = SynapseKeyClientFactory() + factory.path = path endpoint = matrix_federation_endpoint( reactor, server_name, ssl_context_factory, timeout=30 ) @@ -42,13 +45,19 @@ def fetch_server_key(server_name, ssl_context_factory): server_response, server_certificate = yield protocol.remote_key defer.returnValue((server_response, server_certificate)) return + except SynapseKeyClientError as e: + logger.exception("Error getting key for %r" % (server_name,)) + if e.status.startswith("4"): + # Don't retry for 4xx responses. + raise IOError("Cannot get key for %r" % server_name) except Exception as e: logger.exception(e) - raise IOError("Cannot get key for %s" % server_name) + raise IOError("Cannot get key for %r" % server_name) class SynapseKeyClientError(Exception): """The key wasn't retrieved from the remote server.""" + status = None pass @@ -66,17 +75,30 @@ class SynapseKeyClientProtocol(HTTPClient): def connectionMade(self): self.host = self.transport.getHost() logger.debug("Connected to %s", self.host) - self.sendCommand(b"GET", b"/_matrix/key/v1/") + self.sendCommand(b"GET", self.path) self.endHeaders() self.timer = reactor.callLater( self.timeout, self.on_timeout ) + def errback(self, error): + if not self.remote_key.called: + self.remote_key.errback(error) + + def callback(self, result): + if not self.remote_key.called: + self.remote_key.callback(result) + def handleStatus(self, version, status, message): if status != b"200": # logger.info("Non-200 response from %s: %s %s", # self.transport.getHost(), status, message) + error = SynapseKeyClientError("Non-200 response %r from %r" % + (status, self.host) + ) + error.status = status + self.errback(error) self.transport.abortConnection() def handleResponse(self, response_body_bytes): @@ -89,15 +111,18 @@ class SynapseKeyClientProtocol(HTTPClient): return certificate = self.transport.getPeerCertificate() - self.remote_key.callback((json_response, certificate)) + self.callback((json_response, certificate)) self.transport.abortConnection() self.timer.cancel() def on_timeout(self): logger.debug("Timeout waiting for response from %s", self.host) - self.remote_key.errback(IOError("Timeout waiting for response")) + self.errback(IOError("Timeout waiting for response")) self.transport.abortConnection() class SynapseKeyClientFactory(Factory): - protocol = SynapseKeyClientProtocol + def protocol(self): + protocol = SynapseKeyClientProtocol() + protocol.path = self.path + return protocol |