Adding some WebSocket examples

This commit is contained in:
Joakim Erdfelt 2013-08-21 11:13:34 -07:00
parent f11d9ba4d6
commit 00e5daa37e
4 changed files with 173 additions and 0 deletions

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//
// ========================================================================
// Copyright (c) 1995-2013 Mort Bay Consulting Pty. Ltd.
// ------------------------------------------------------------------------
// All rights reserved. This program and the accompanying materials
// are made available under the terms of the Eclipse Public License v1.0
// and Apache License v2.0 which accompanies this distribution.
//
// The Eclipse Public License is available at
// http://www.eclipse.org/legal/epl-v10.html
//
// The Apache License v2.0 is available at
// http://www.opensource.org/licenses/apache2.0.php
//
// You may elect to redistribute this code under either of these licenses.
// ========================================================================
//
package examples;
import java.security.Principal;
import javax.websocket.HandshakeResponse;
import javax.websocket.server.HandshakeRequest;
import javax.websocket.server.ServerEndpointConfig;
public class MyAuthedConfigurator extends ServerEndpointConfig.Configurator
{
@Override
public void modifyHandshake(ServerEndpointConfig sec, HandshakeRequest request, HandshakeResponse response)
{
// Is Authenticated?
Principal principal = request.getUserPrincipal();
if (principal == null)
{
throw new RuntimeException("Not authenticated");
}
// Is Authorized?
if (!request.isUserInRole("websocket"))
{
throw new RuntimeException("Not authorized");
}
// normal operation
super.modifyHandshake(sec,request,response);
}
}

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//
// ========================================================================
// Copyright (c) 1995-2013 Mort Bay Consulting Pty. Ltd.
// ------------------------------------------------------------------------
// All rights reserved. This program and the accompanying materials
// are made available under the terms of the Eclipse Public License v1.0
// and Apache License v2.0 which accompanies this distribution.
//
// The Eclipse Public License is available at
// http://www.eclipse.org/legal/epl-v10.html
//
// The Apache License v2.0 is available at
// http://www.opensource.org/licenses/apache2.0.php
//
// You may elect to redistribute this code under either of these licenses.
// ========================================================================
//
package examples;
import javax.websocket.OnMessage;
import javax.websocket.server.ServerEndpoint;
@ServerEndpoint(value = "/secured/socket", configurator = MyAuthedConfigurator.class)
public class MyAuthedSocket
{
@OnMessage
public String onMessage(String msg)
{
// echo the message back to the remote
return msg;
}
}

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//
// ========================================================================
// Copyright (c) 1995-2013 Mort Bay Consulting Pty. Ltd.
// ------------------------------------------------------------------------
// All rights reserved. This program and the accompanying materials
// are made available under the terms of the Eclipse Public License v1.0
// and Apache License v2.0 which accompanies this distribution.
//
// The Eclipse Public License is available at
// http://www.eclipse.org/legal/epl-v10.html
//
// The Apache License v2.0 is available at
// http://www.opensource.org/licenses/apache2.0.php
//
// You may elect to redistribute this code under either of these licenses.
// ========================================================================
//
package examples;
import java.io.IOException;
import java.security.Principal;
import org.eclipse.jetty.websocket.servlet.ServletUpgradeRequest;
import org.eclipse.jetty.websocket.servlet.ServletUpgradeResponse;
import org.eclipse.jetty.websocket.servlet.WebSocketCreator;
public class MyAuthedCreator implements WebSocketCreator
{
@Override
public Object createWebSocket(ServletUpgradeRequest req, ServletUpgradeResponse resp)
{
try
{
// Is Authenticated?
Principal principal = req.getPrincipal();
if (principal == null)
{
resp.sendForbidden("Not authenticated yet");
return null;
}
// Is Authorized?
if (!req.isUserInRole("websocket"))
{
resp.sendForbidden("Not authenticated yet");
return null;
}
// Return websocket
return new MyEchoSocket();
}
catch (IOException e)
{
e.printStackTrace(System.err);
}
// no websocket
return null;
}
}

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//
// ========================================================================
// Copyright (c) 1995-2013 Mort Bay Consulting Pty. Ltd.
// ------------------------------------------------------------------------
// All rights reserved. This program and the accompanying materials
// are made available under the terms of the Eclipse Public License v1.0
// and Apache License v2.0 which accompanies this distribution.
//
// The Eclipse Public License is available at
// http://www.eclipse.org/legal/epl-v10.html
//
// The Apache License v2.0 is available at
// http://www.opensource.org/licenses/apache2.0.php
//
// You may elect to redistribute this code under either of these licenses.
// ========================================================================
//
package examples;
import org.eclipse.jetty.websocket.servlet.WebSocketServlet;
import org.eclipse.jetty.websocket.servlet.WebSocketServletFactory;
@SuppressWarnings("serial")
public class MyAuthedServlet extends WebSocketServlet
{
@Override
public void configure(WebSocketServletFactory factory)
{
factory.setCreator(new MyAuthedCreator());
}
}