Question

我正在开发一个将使用代理与服务器建立连接的应用。

为此，我正在执行一些测试！

为了验证，我做了以下测试：

import org.junit.Test;
import org.junit.runner.RunWith;

import java.io.IOException;
import java.net.Authenticator;
import java.net.InetSocketAddress;
import java.net.PasswordAuthentication;
import java.net.Proxy;
import java.net.ProxySelector;
import java.net.Socket;
import java.net.SocketAddress;
import java.net.URI;
import java.net.URL;
import java.net.URLConnection;
import java.util.ArrayList;
import java.util.List;

import okhttp3.OkHttpClient;
import okhttp3.Request;

import static junit.framework.Assert.assertTrue;

@RunWith(AndroidJUnit4.class)
public class OkHttpClientTest {

    private static int PORT = 1080;
    private static  String[] IPS = {"127.0.0.10", "127.0.0.11","127.0.0.12"};
    private static String USER_NAME = "USUARIO";
    private static String PASSWORD = "SENHA";
    private static String URL_CONNECT = "https://www.google.com/";

    private final Authenticator authenticator = new Authenticator() {
        @Override
        protected PasswordAuthentication getPasswordAuthentication() {
            return new PasswordAuthentication(USER_NAME, PASSWORD.toCharArray());
        }
    };

    @Test
    public void testSocksFunctionality() throws IOException {

        // set Authenticator
        Authenticator.setDefault(authenticator);

        // Create socket...
        final Socket socket = new Socket(IPS[0], PORT);
        assertTrue(socket.isConnected());

        //create URL...
        final URL url = new URL(URL_CONNECT);
        InetSocketAddress  socketAddress = new InetSocketAddress(IPS[0], PORT);
        // create Proxy
        final Proxy proxy = new Proxy( Proxy.Type.SOCKS, socketAddress );

        // Open connection...
        final URLConnection urlConnection = url.openConnection(proxy);
        urlConnection.connect();

        assertTrue( urlConnection.getDoInput() );

        final OkHttpClient client = new OkHttpClient.Builder()
                .proxy(proxy)
                .retryOnConnectionFailure(false)
                .build();

        final Request request = new Request.Builder()
                .url(URL_CONNECT)
                .build();

        assertTrue(client.newCall(request).execute().isSuccessful());
    }

}

这将使用代理测试连接。

当我在24以下的API上运行测试时，会发生以下错误：

java.net.UnknownHostException: Host is unresolved: www.google.com
at java.net.Socket.connect(Socket.java:865)
at okhttp3.internal.platform.AndroidPlatform.connectSocket(AndroidPlatform.java:63)
at okhttp3.internal.connection.RealConnection.connectSocket(RealConnection.java:223)
at okhttp3.internal.connection.RealConnection.connect(RealConnection.java:149)
at okhttp3.internal.connection.StreamAllocation.findConnection(StreamAllocation.java:192)
at okhttp3.internal.connection.StreamAllocation.findHealthyConnection(StreamAllocation.java:121)
at okhttp3.internal.connection.StreamAllocation.newStream(StreamAllocation.java:100)
at okhttp3.internal.connection.ConnectInterceptor.intercept(ConnectInterceptor.java:42)
at okhttp3.internal.http.RealInterceptorChain.proceed(RealInterceptorChain.java:92)
at okhttp3.internal.http.RealInterceptorChain.proceed(RealInterceptorChain.java:67)

当我删除代理时，它可以正常工作！

如何在API 24以下的版本中使用代理建立连接？

棉花糖及其以下版本的java.net.Proxy问题

0 个答案: