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/*
* Copyright (c) 2003, 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 4696512
* @summary HTTP client: Improve proxy server configuration and selection
* @library /test/lib
* @compile ProxyTest.java
* @run main/othervm -Dhttp.proxyHost=inexistant -Dhttp.proxyPort=8080 ProxyTest
*/
import java.io.IOException;
import java.io.InputStream;
import java.io.PrintWriter;
import java.net.HttpURLConnection;
import java.net.InetAddress;
import java.net.InetSocketAddress;
import java.net.Proxy;
import java.net.ProxySelector;
import java.net.SocketAddress;
import java.net.URI;
import java.net.URL;
import java.nio.charset.Charset;
import java.util.List;
import java.util.concurrent.Executors;
import com.sun.net.httpserver.HttpExchange;
import com.sun.net.httpserver.HttpHandler;
import com.sun.net.httpserver.HttpServer;
import jdk.test.lib.net.URIBuilder;
public class ProxyTest {
static HttpServer server;
public ProxyTest() {
}
static public class MyProxySelector extends ProxySelector {
private static volatile URI lastURI;
private final static List<Proxy> NO_PROXY = List.of(Proxy.NO_PROXY);
public java.util.List<Proxy> select(URI uri) {
System.out.println("Selecting no proxy for " + uri);
lastURI = uri;
return NO_PROXY;
}
public void connectFailed(URI uri, SocketAddress sa, IOException ioe) {
}
public static URI lastURI() { return lastURI; }
}
public static void main(String[] args) {
ProxySelector defSelector = ProxySelector.getDefault();
if (defSelector == null)
throw new RuntimeException("Default ProxySelector is null");
ProxySelector.setDefault(new MyProxySelector());
try {
InetAddress loopback = InetAddress.getLoopbackAddress();
server = HttpServer.create(new InetSocketAddress(loopback, 0), 10, "/", new ProxyTestHandler());
server.setExecutor(Executors.newSingleThreadExecutor());
server.start();
URL url = URIBuilder.newBuilder()
.scheme("http")
.loopback()
.port(server.getAddress().getPort())
.toURL();
System.out.println("client opening connection to: " + url);
HttpURLConnection urlc = (HttpURLConnection)url.openConnection();
InputStream is = urlc.getInputStream();
is.close();
URI lastURI = MyProxySelector.lastURI();
if (!String.valueOf(lastURI).equals(url + "/")) {
throw new AssertionError("Custom proxy was not used: last URI was " + lastURI);
}
} catch (Exception e) {
throw new RuntimeException(e);
} finally {
if (server != null) {
server.stop(1);
}
}
}
}
class ProxyTestHandler implements HttpHandler {
@Override
public void handle(HttpExchange exchange) throws IOException {
try {
exchange.sendResponseHeaders(200, 0);
} catch (IOException e) {
e.printStackTrace();
}
try(PrintWriter pw = new PrintWriter(exchange.getResponseBody(), false, Charset.forName("UTF-8"))) {
pw.print("Hello .");
}
}
}
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