Java HttpClient实现socks代理的示例代码

HttpClient 实现 socks 代理

使用的环境

<dependency> <groupId>org.apache.httpcomponents</groupId> <artifactId>httpclient</artifactId> <version>4.4.1</version> </dependency> <dependency> <groupId>org.apache.httpcomponents</groupId> <artifactId>httpcore</artifactId> <version>4.4.1</version> </dependency>

代码及 ConnectionSocketFactory 实现类

package xxx;import com.lucas.admin.util.HttpClientUtil;import org.apache.http.HttpEntity;import org.apache.http.HttpHost;import org.apache.http.client.methods.CloseableHttpResponse;import org.apache.http.client.methods.HttpGet;import org.apache.http.client.protocol.HttpClientContext;import org.apache.http.config.Registry;import org.apache.http.config.RegistryBuilder;import org.apache.http.conn.socket.ConnectionSocketFactory;import org.apache.http.conn.socket.PlainConnectionSocketFactory;import org.apache.http.conn.ssl.SSLConnectionSocketFactory;import org.apache.http.impl.client.CloseableHttpClient;import org.apache.http.impl.client.HttpClients;import org.apache.http.impl.conn.PoolingHttpClientConnectionManager;import org.apache.http.protocol.HttpContext;import org.apache.http.ssl.SSLContexts;import org.apache.http.util.EntityUtils;import java.io.IOException;import java.net.InetSocketAddress;import java.net.Proxy;import java.net.Socket;/** * @author kzcming * @since 2020/11/19 15:51 */public class Test { public static void main(String[] args) throws Exception { test('https://www.cnblogs.com/'); } public static void test(String url) throws Exception{ // ConnectionSocketFactory注册 Registry<ConnectionSocketFactory> reg = RegistryBuilder.<ConnectionSocketFactory>create().register('http', new MyConnectionSocketFactory()).register('https',new MySSLConnectionSocketFactory()).build(); // HTTP客户端连接管理池 PoolingHttpClientConnectionManager connManager = new PoolingHttpClientConnectionManager(reg); CloseableHttpClient httpclient = HttpClients.custom().setConnectionManager(connManager).build(); try { // socks代理地址 , socks 地址和端口,这里随便写了一个1008 InetSocketAddress socksaddr = new InetSocketAddress('你的地址', 1008); HttpClientContext context = HttpClientContext.create(); context.setAttribute('socks.address', socksaddr); // 请求目标 HttpGet request = new HttpGet(url); System.out.println('----------------------------------------'); System.out.println('执行请求 ：' + request.getRequestLine()); System.out.println('通过代理： ' + socksaddr); System.out.println('----------------------------------------'); CloseableHttpResponse response = httpclient.execute(request, context); try {HttpEntity entity = response.getEntity();System.out.println('----------------------------------------');System.out.println('返回响应：' + response.getStatusLine());System.out.println('响应内容：' + EntityUtils.toString(entity));System.out.println('----------------------------------------'); } finally {response.close(); } } finally { httpclient.close(); } } /** * 实现 http 链接的socket 工厂 */ static class MyConnectionSocketFactory extends PlainConnectionSocketFactory { @Override public Socket createSocket(final HttpContext context) throws IOException { InetSocketAddress socksaddr = (InetSocketAddress) context.getAttribute('socks.address'); // socket代理 Proxy proxy = new Proxy(Proxy.Type.SOCKS, socksaddr); return new Socket(proxy); } } /** * 实现 https 链接的socket 工厂 */ static class MySSLConnectionSocketFactory extends SSLConnectionSocketFactory { public MySSLConnectionSocketFactory() { super(SSLContexts.createDefault(), getDefaultHostnameVerifier()); } @Override public Socket createSocket(final HttpContext context) throws IOException { InetSocketAddress socksaddr = (InetSocketAddress) context.getAttribute('socks.address');// // socket代理 Proxy proxy = new Proxy(Proxy.Type.SOCKS, socksaddr); return new Socket(proxy); } }}

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