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HTTP proxy server,support HTTPS&websocket.MITM impl,intercept and tamper HTTPS traffic.

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HTTP代理服务器

支持HTTP、HTTPS、WebSocket,HTTPS采用动态签发SSL证书,可以拦截http、https的报文并进行处理。
例如:http(s)协议抓包,http(s)动态替换请求内容或响应内容等等。

HTTPS支持

需要导入项目中的CA证书(src/resources/ca.crt)至受信任的根证书颁发机构。
可以使用CertDownIntercept拦截器,开启网页下载证书功能,访问http://serverIP:serverPort即可进入。
注:安卓手机上安装证书若弹出键入凭据存储的密码,输入锁屏密码即可。

二级代理

可设置二级代理服务器,支持http,socks4,socks5。

启动

//new HttpProxyServer().start(9999);

new HttpProxyServer()
//        .proxyConfig(new ProxyConfig(ProxyType.SOCKS5, "127.0.0.1", 1085))  //使用socks5二级代理
    .proxyInterceptInitializer(new HttpProxyInterceptInitializer() {
      @Override
      public void init(HttpProxyInterceptPipeline pipeline) {
        pipeline.addLast(new CertDownIntercept());  //处理证书下载
        pipeline.addLast(new HttpProxyIntercept() {
          @Override
          public void beforeRequest(Channel clientChannel, HttpRequest httpRequest,
              HttpProxyInterceptPipeline pipeline) throws Exception {
            //替换UA,伪装成手机浏览器
            /*httpRequest.headers().set(HttpHeaderNames.USER_AGENT,
                "Mozilla/5.0 (iPhone; CPU iPhone OS 9_1 like Mac OS X) AppleWebKit/601.1.46 (KHTML, like Gecko) Version/9.0 Mobile/13B143 Safari/601.1");*/
            //转到下一个拦截器处理
            pipeline.beforeRequest(clientChannel, httpRequest);
          }

          @Override
          public void afterResponse(Channel clientChannel, Channel proxyChannel,
              HttpResponse httpResponse, HttpProxyInterceptPipeline pipeline) throws Exception {

            //拦截响应,添加一个响应头
            httpResponse.headers().add("intercept", "test");
            //转到下一个拦截器处理
            pipeline.afterResponse(clientChannel, proxyChannel, httpResponse);
          }
        });
      }
    })
    .httpProxyExceptionHandle(new HttpProxyExceptionHandle() {
      @Override
      public void beforeCatch(Channel clientChannel, Throwable cause) throws Exception {
        System.out.println("111111111111111");
        cause.printStackTrace();
      }

      @Override
      public void afterCatch(Channel clientChannel, Channel proxyChannel, Throwable cause) throws Exception {
        System.out.println("22222222222222");
        cause.printStackTrace();
      }
    })
    .start(9999);

流程

SSL握手

SSL握手

HTTP通讯

HTTP通讯

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