53 lines
1.6 KiB
Java
53 lines
1.6 KiB
Java
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package eu.siacs.conversations.utils;
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import android.util.Log;
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import java.io.IOException;
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import java.io.InputStream;
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import java.io.OutputStream;
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import java.net.InetAddress;
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import java.net.InetSocketAddress;
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import java.net.Socket;
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import java.net.UnknownHostException;
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import java.nio.ByteBuffer;
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import eu.siacs.conversations.Config;
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public class SocksSocketFactory {
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public static void createSocksConnection(Socket socket, String destination, int port) throws IOException {
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InputStream proxyIs = socket.getInputStream();
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OutputStream proxyOs = socket.getOutputStream();
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proxyOs.write(new byte[]{0x05, 0x01, 0x00});
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byte[] response = new byte[2];
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proxyIs.read(response);
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byte[] dest = destination.getBytes();
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ByteBuffer request = ByteBuffer.allocate(7 + dest.length);
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request.put(new byte[]{0x05, 0x01, 0x00, 0x03});
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request.put((byte) dest.length);
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request.put(dest);
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request.putShort((short) port);
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proxyOs.write(request.array());
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response = new byte[7 + dest.length];
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proxyIs.read(response);
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if (response[1] != 0x00) {
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throw new SocksConnectionException();
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}
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}
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public static Socket createSocket(InetSocketAddress address, String destination, int port) throws IOException {
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Socket socket = new Socket();
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socket.connect(address, Config.CONNECT_TIMEOUT * 1000);
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createSocksConnection(socket, destination, port);
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return socket;
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}
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public static Socket createSocketOverTor(String destination, int port) throws IOException {
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return createSocket(new InetSocketAddress(InetAddress.getLocalHost(), 9050), destination, port);
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}
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static class SocksConnectionException extends IOException {
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}
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}
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