@Override
public HandshakeBuilder postProcessHandshakeResponseAsServer(
ClientHandshake request, ServerHandshakeBuilder response) throws InvalidHandshakeException {
response.setHttpStatusMessage("Web Socket Protocol Handshake");
response.put("Upgrade", "WebSocket");
response.put(
"Connection", request.getFieldValue("Connection")); // to respond to a Connection keep alive
response.put("WebSocket-Origin", request.getFieldValue("Origin"));
String location = "ws://" + request.getFieldValue("Host") + request.getResourceDescriptor();
response.put("WebSocket-Location", location);
// TODO handle Sec-WebSocket-Protocol and Set-Cookie
return response;
}
@Override
public HandshakeState acceptHandshakeAsServer(ClientHandshake handshakedata) {
if (handshakedata.hasFieldValue("Origin") && basicAccept(handshakedata)) {
return HandshakeState.MATCHED;
}
return HandshakeState.NOT_MATCHED;
}
@Override
public HandshakeState acceptHandshakeAsClient(ClientHandshake request, ServerHandshake response) {
return request.getFieldValue("WebSocket-Origin").equals(response.getFieldValue("Origin"))
&& basicAccept(response)
? HandshakeState.MATCHED
: HandshakeState.NOT_MATCHED;
}