如何在 Apache HTTP Client 4 中使用 Socks 5 代理? [英] How to use Socks 5 proxy with Apache HTTP Client 4?
问题描述
我正在尝试创建通过 SOCKS5 代理通过 Apache HC 4 发送 HTTP
请求的应用程序.我不能使用应用全局代理,因为应用是多线程的(我需要为每个 HttpClient
实例使用不同的代理).我没有发现 SOCKS5 与 HC4 一起使用的例子.我该如何使用它?
I'm trying to create app that sends HTTP
requests via Apache HC 4 via SOCKS5 proxy.
I can not use app-global proxy, because app is multi-threaded (I need different proxy for each HttpClient
instance). I've found no examples of SOCKS5 usage with HC4. How can I use it?
推荐答案
SOCK 是 TCP/IP 级代理协议,而不是 HTTP.开箱即用的 HttpClient 不支持它.
SOCK is a TCP/IP level proxy protocol, not HTTP. It is not supported by HttpClient out of the box.
可以使用自定义连接套接字工厂自定义 HttpClient 以通过 SOCKS 代理建立连接
One can customize HttpClient to establish connections via a SOCKS proxy by using a custom connection socket factory
更改为 SSL 而不是普通套接字
changes to SSL instead of plain sockets
Registry<ConnectionSocketFactory> reg = RegistryBuilder.<ConnectionSocketFactory>create()
.register("http", PlainConnectionSocketFactory.INSTANCE)
.register("https", new MyConnectionSocketFactory(SSLContexts.createSystemDefault()))
.build();
PoolingHttpClientConnectionManager cm = new PoolingHttpClientConnectionManager(reg);
CloseableHttpClient httpclient = HttpClients.custom()
.setConnectionManager(cm)
.build();
try {
InetSocketAddress socksaddr = new InetSocketAddress("mysockshost", 1234);
HttpClientContext context = HttpClientContext.create();
context.setAttribute("socks.address", socksaddr);
HttpHost target = new HttpHost("localhost", 80, "http");
HttpGet request = new HttpGet("/");
System.out.println("Executing request " + request + " to " + target + " via SOCKS proxy " + socksaddr);
CloseableHttpResponse response = httpclient.execute(target, request, context);
try {
System.out.println("----------------------------------------");
System.out.println(response.getStatusLine());
EntityUtils.consume(response.getEntity());
} finally {
response.close();
}
} finally {
httpclient.close();
}
<小时>
static class MyConnectionSocketFactory extends SSLConnectionSocketFactory {
public MyConnectionSocketFactory(final SSLContext sslContext) {
super(sslContext);
}
@Override
public Socket createSocket(final HttpContext context) throws IOException {
InetSocketAddress socksaddr = (InetSocketAddress) context.getAttribute("socks.address");
Proxy proxy = new Proxy(Proxy.Type.SOCKS, socksaddr);
return new Socket(proxy);
}
}
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