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/*
* Copyright (c) 2006, 2022, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
/*
* @test
* @bug 6498566
* @summary URL.openConnection(Proxy.NO_PROXY) may connect through a proxy.
* @library /test/lib
* @run main/othervm ProxyFromCache
*/
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.net.HttpURLConnection;
import java.net.InetAddress;
import java.net.InetSocketAddress;
import java.net.Proxy;
import java.net.ServerSocket;
import java.net.Socket;
import java.net.URL;
import jdk.test.lib.net.HttpHeaderParser;
import jdk.test.lib.net.URIBuilder;
/* Creates a simple proxy and http server that just return 200 OK.
* Open a URL pointing to the http server and specify that the
* connection should use the proxy. Now make a second connection
* to the same URL, specifying that no proxy is to be used.
* We count the amount of requests being sent to each server. There
* should be only one request sent to each.
*/
public class ProxyFromCache
{
public static void main(String[] args) throws Exception {
ServerSocket proxySSocket, httpSSocket;
int proxyPort, httpPort;
InetAddress loopback = InetAddress.getLoopbackAddress();
try {
proxySSocket = new ServerSocket();
proxySSocket.bind(new InetSocketAddress(loopback, 0));
proxyPort = proxySSocket.getLocalPort();
httpSSocket = new ServerSocket();
httpSSocket.bind(new InetSocketAddress(loopback, 0));
httpPort = httpSSocket.getLocalPort();
} catch (Exception e) {
System.out.println ("Exception: " + e);
throw e;
}
SimpleServer proxyServer = new SimpleServer(proxySSocket);
proxyServer.start();
SimpleServer httpServer = new SimpleServer(httpSSocket);
httpServer.start();
InetSocketAddress addr = new InetSocketAddress(loopback, proxyPort);
Proxy proxy = new Proxy(Proxy.Type.HTTP, addr);
try {
URL url = URIBuilder.newBuilder()
.scheme("http")
.loopback()
.port(httpPort)
.path("/")
.toURL();
String urlStr = url.toString();
// 1st connection.
HttpURLConnection uc = (HttpURLConnection) url.openConnection(proxy);
InputStream is = uc.getInputStream();
byte[] ba = new byte[1024];
while(is.read(ba) != -1);
is.close();
// 2nd connection.
uc = (HttpURLConnection) url.openConnection(Proxy.NO_PROXY);
is = uc.getInputStream();
while(is.read(ba) != -1);
is.close();
try {
proxySSocket.close();
httpSSocket.close();
} catch (IOException e) {}
proxyServer.terminate();
httpServer.terminate();
int httpCount = httpServer.getConnectionCount();
int proxyCount = proxyServer.getConnectionCount();
if (proxyCount != 1 && httpCount != 1) {
System.out.println("Proxy = " + proxyCount + ", http = " + httpCount);
throw new RuntimeException("Failed: Proxy being sent " + proxyCount + " requests");
}
} catch (IOException e) {
throw e;
}
}
}
class SimpleServer extends Thread
{
private ServerSocket ss;
private Socket sock;
private int connectionCount;
String replyOK = "HTTP/1.1 200 OK\r\n" +
"Content-Length: 0\r\n\r\n";
public SimpleServer(ServerSocket ss) {
this.ss = ss;
}
public void run() {
try {
sock = ss.accept();
connectionCount++;
InputStream is = sock.getInputStream();
OutputStream os = sock.getOutputStream();
HttpHeaderParser httpHeaderParser = new HttpHeaderParser(is);
os.write(replyOK.getBytes("UTF-8"));
httpHeaderParser = new HttpHeaderParser(is);
// If we get here then we received a second request.
connectionCount++;
os.write(replyOK.getBytes("UTF-8"));
sock.close();
} catch (Exception e) {
//e.printStackTrace();
if (sock != null && !sock.isClosed()) {
try { sock.close();
} catch (IOException ioe) {}
}
}
}
public int getConnectionCount() {
return connectionCount;
}
public void terminate() {
if (sock != null && !sock.isClosed()) {
try { sock.close();
} catch (IOException ioe) {}
}
}
}
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