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/*
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* Copyright (c) 2017, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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/*
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* @test
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* @summary Basic security checks for WebSocket URI from the Builder
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* @compile ../DummyWebSocketServer.java ../../ProxyServer.java
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* @run testng/othervm/java.security.policy=httpclient.policy WSURLPermissionTest
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*/
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import java.io.IOException;
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import java.net.InetAddress;
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import java.net.InetSocketAddress;
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import java.net.Proxy;
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import java.net.ProxySelector;
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import java.net.SocketAddress;
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import java.net.URI;
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import java.net.URLPermission;
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import java.security.AccessControlContext;
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import java.security.AccessController;
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import java.security.Permission;
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import java.security.Permissions;
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import java.security.PrivilegedActionException;
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import java.security.PrivilegedExceptionAction;
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import java.security.ProtectionDomain;
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import java.util.List;
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import java.util.concurrent.ExecutionException;
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import java.net.http.HttpClient;
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import java.net.http.WebSocket;
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import org.testng.annotations.AfterTest;
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import org.testng.annotations.BeforeTest;
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import org.testng.annotations.DataProvider;
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import org.testng.annotations.Test;
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import static org.testng.Assert.*;
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public class WSURLPermissionTest {
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static AccessControlContext withPermissions(Permission... perms) {
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Permissions p = new Permissions();
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for (Permission perm : perms) {
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p.add(perm);
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}
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ProtectionDomain pd = new ProtectionDomain(null, p);
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return new AccessControlContext(new ProtectionDomain[]{ pd });
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}
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static AccessControlContext noPermissions() {
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return withPermissions(/*empty*/);
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}
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URI wsURI;
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DummyWebSocketServer webSocketServer;
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InetSocketAddress proxyAddress;
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@BeforeTest
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public void setup() throws Exception {
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ProxyServer proxyServer = new ProxyServer(0, true);
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proxyAddress = new InetSocketAddress(InetAddress.getLoopbackAddress(),
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proxyServer.getPort());
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webSocketServer = new DummyWebSocketServer();
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webSocketServer.open();
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wsURI = webSocketServer.getURI();
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System.out.println("Proxy Server: " + proxyAddress);
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System.out.println("DummyWebSocketServer: " + wsURI);
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}
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@AfterTest
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public void teardown() {
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webSocketServer.close();
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}
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static class NoOpListener implements WebSocket.Listener {}
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static final WebSocket.Listener noOpListener = new NoOpListener();
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@DataProvider(name = "passingScenarios")
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public Object[][] passingScenarios() {
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HttpClient noProxyClient = HttpClient.newHttpClient();
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return new Object[][]{
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{ (PrivilegedExceptionAction<?>)() -> {
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noProxyClient.newWebSocketBuilder()
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.buildAsync(wsURI, noOpListener).get().abort();
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return null; }, // no actions
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new URLPermission[] { new URLPermission(wsURI.toString()) },
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"0" /* for log file identification */ },
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{ (PrivilegedExceptionAction<?>)() -> {
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noProxyClient.newWebSocketBuilder()
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.buildAsync(wsURI, noOpListener).get().abort();
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return null; }, // scheme wildcard
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new URLPermission[] { new URLPermission("ws://*") },
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"0.1" },
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{ (PrivilegedExceptionAction<?>)() -> {
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noProxyClient.newWebSocketBuilder()
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.buildAsync(wsURI, noOpListener).get().abort();
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return null; }, // port wildcard
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new URLPermission[] { new URLPermission("ws://"+wsURI.getHost()+":*") },
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"0.2" },
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{ (PrivilegedExceptionAction<?>)() -> {
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noProxyClient.newWebSocketBuilder()
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.buildAsync(wsURI, noOpListener).get().abort();
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return null; }, // empty actions
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new URLPermission[] { new URLPermission(wsURI.toString(), "") },
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"1" },
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{ (PrivilegedExceptionAction<?>)() -> {
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noProxyClient.newWebSocketBuilder()
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.buildAsync(wsURI, noOpListener).get().abort();
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return null; }, // colon
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new URLPermission[] { new URLPermission(wsURI.toString(), ":") },
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"2" },
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{ (PrivilegedExceptionAction<?>)() -> {
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noProxyClient.newWebSocketBuilder()
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.buildAsync(wsURI, noOpListener).get().abort();
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return null; }, // wildcard
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new URLPermission[] { new URLPermission(wsURI.toString(), "*:*") },
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"3" },
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// WS permission checking is agnostic of method, any/none will do
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{ (PrivilegedExceptionAction<?>)() -> {
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noProxyClient.newWebSocketBuilder()
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.buildAsync(wsURI, noOpListener).get().abort();
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return null; }, // specific method
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new URLPermission[] { new URLPermission(wsURI.toString(), "GET") },
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"3.1" },
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{ (PrivilegedExceptionAction<?>)() -> {
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noProxyClient.newWebSocketBuilder()
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.buildAsync(wsURI, noOpListener).get().abort();
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return null; }, // specific method
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new URLPermission[] { new URLPermission(wsURI.toString(), "POST") },
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"3.2" },
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{ (PrivilegedExceptionAction<?>)() -> {
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URI uriWithPath = wsURI.resolve("/path/x");
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noProxyClient.newWebSocketBuilder()
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.buildAsync(uriWithPath, noOpListener).get().abort();
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return null; }, // path
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new URLPermission[] { new URLPermission(wsURI.resolve("/path/x").toString()) },
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"4" },
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{ (PrivilegedExceptionAction<?>)() -> {
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URI uriWithPath = wsURI.resolve("/path/x");
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noProxyClient.newWebSocketBuilder()
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.buildAsync(uriWithPath, noOpListener).get().abort();
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return null; }, // same dir wildcard
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new URLPermission[] { new URLPermission(wsURI.resolve("/path/*").toString()) },
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"5" },
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{ (PrivilegedExceptionAction<?>)() -> {
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URI uriWithPath = wsURI.resolve("/path/x");
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noProxyClient.newWebSocketBuilder()
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.buildAsync(uriWithPath, noOpListener).get().abort();
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return null; }, // recursive
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new URLPermission[] { new URLPermission(wsURI.resolve("/path/-").toString()) },
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"6" },
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{ (PrivilegedExceptionAction<?>)() -> {
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URI uriWithPath = wsURI.resolve("/path/x");
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noProxyClient.newWebSocketBuilder()
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.buildAsync(uriWithPath, noOpListener).get().abort();
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return null; }, // recursive top
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new URLPermission[] { new URLPermission(wsURI.resolve("/-").toString()) },
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"7" },
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{ (PrivilegedExceptionAction<?>)() -> {
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noProxyClient.newWebSocketBuilder()
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.header("A-Header", "A-Value") // header
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.buildAsync(wsURI, noOpListener).get().abort();
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return null; },
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new URLPermission[] { new URLPermission(wsURI.toString(), ":A-Header") },
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"8" },
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{ (PrivilegedExceptionAction<?>)() -> {
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noProxyClient.newWebSocketBuilder()
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.header("A-Header", "A-Value") // header
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.buildAsync(wsURI, noOpListener).get().abort();
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return null; }, // wildcard
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new URLPermission[] { new URLPermission(wsURI.toString(), ":*") },
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"9" },
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{ (PrivilegedExceptionAction<?>)() -> {
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noProxyClient.newWebSocketBuilder()
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.header("A-Header", "A-Value") // headers
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.header("B-Header", "B-Value") // headers
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.buildAsync(wsURI, noOpListener).get().abort();
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return null; },
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new URLPermission[] { new URLPermission(wsURI.toString(), ":A-Header,B-Header") },
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"10" },
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{ (PrivilegedExceptionAction<?>)() -> {
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noProxyClient.newWebSocketBuilder()
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.header("A-Header", "A-Value") // headers
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.header("B-Header", "B-Value") // headers
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.buildAsync(wsURI, noOpListener).get().abort();
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return null; }, // wildcard
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new URLPermission[] { new URLPermission(wsURI.toString(), ":*") },
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"11" },
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{ (PrivilegedExceptionAction<?>)() -> {
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noProxyClient.newWebSocketBuilder()
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.header("A-Header", "A-Value") // headers
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.header("B-Header", "B-Value") // headers
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.buildAsync(wsURI, noOpListener).get().abort();
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return null; }, // wildcards
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new URLPermission[] { new URLPermission(wsURI.toString(), "*:*") },
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"12" },
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{ (PrivilegedExceptionAction<?>)() -> {
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noProxyClient.newWebSocketBuilder()
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.header("A-Header", "A-Value") // multi-value
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.header("A-Header", "B-Value") // headers
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.buildAsync(wsURI, noOpListener).get().abort();
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return null; }, // wildcard
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new URLPermission[] { new URLPermission(wsURI.toString(), ":*") },
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"13" },
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{ (PrivilegedExceptionAction<?>)() -> {
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noProxyClient.newWebSocketBuilder()
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.header("A-Header", "A-Value") // multi-value
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.header("A-Header", "B-Value") // headers
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.buildAsync(wsURI, noOpListener).get().abort();
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return null; }, // single grant
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new URLPermission[] { new URLPermission(wsURI.toString(), ":A-Header") },
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"14" },
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// client with a DIRECT proxy
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{ (PrivilegedExceptionAction<?>)() -> {
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ProxySelector ps = ProxySelector.of(null);
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HttpClient client = HttpClient.newBuilder().proxy(ps).build();
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client.newWebSocketBuilder()
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.buildAsync(wsURI, noOpListener).get().abort();
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return null; },
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new URLPermission[] { new URLPermission(wsURI.toString()) },
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"15" },
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// client with a SOCKS proxy! ( expect implementation to ignore SOCKS )
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{ (PrivilegedExceptionAction<?>)() -> {
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ProxySelector ps = new ProxySelector() {
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@Override public List<Proxy> select(URI uri) {
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return List.of(new Proxy(Proxy.Type.SOCKS, proxyAddress)); }
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@Override
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public void connectFailed(URI uri, SocketAddress sa, IOException ioe) { }
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};
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HttpClient client = HttpClient.newBuilder().proxy(ps).build();
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client.newWebSocketBuilder()
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.buildAsync(wsURI, noOpListener).get().abort();
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return null; },
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new URLPermission[] { new URLPermission(wsURI.toString()) },
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"16" },
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// client with a HTTP/HTTPS proxy
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{ (PrivilegedExceptionAction<?>)() -> {
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assert proxyAddress != null;
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ProxySelector ps = ProxySelector.of(proxyAddress);
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HttpClient client = HttpClient.newBuilder().proxy(ps).build();
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client.newWebSocketBuilder()
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.buildAsync(wsURI, noOpListener).get().abort();
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return null; },
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new URLPermission[] {
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new URLPermission(wsURI.toString()), // CONNECT action string
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new URLPermission("socket://"+proxyAddress.getHostName()
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+":"+proxyAddress.getPort(), "CONNECT")},
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"17" },
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{ (PrivilegedExceptionAction<?>)() -> {
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assert proxyAddress != null;
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ProxySelector ps = ProxySelector.of(proxyAddress);
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HttpClient client = HttpClient.newBuilder().proxy(ps).build();
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client.newWebSocketBuilder()
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.buildAsync(wsURI, noOpListener).get().abort();
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return null; },
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new URLPermission[] {
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new URLPermission(wsURI.toString()), // no action string
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new URLPermission("socket://"+proxyAddress.getHostName()
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+":"+proxyAddress.getPort())},
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"18" },
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{ (PrivilegedExceptionAction<?>)() -> {
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assert proxyAddress != null;
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ProxySelector ps = ProxySelector.of(proxyAddress);
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HttpClient client = HttpClient.newBuilder().proxy(ps).build();
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client.newWebSocketBuilder()
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.buildAsync(wsURI, noOpListener).get().abort();
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return null; },
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new URLPermission[] {
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new URLPermission(wsURI.toString()), // wildcard headers
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new URLPermission("socket://"+proxyAddress.getHostName()
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+":"+proxyAddress.getPort(), "CONNECT:*")},
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"19" },
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{ (PrivilegedExceptionAction<?>)() -> {
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assert proxyAddress != null;
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CountingProxySelector ps = CountingProxySelector.of(proxyAddress);
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HttpClient client = HttpClient.newBuilder().proxy(ps).build();
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client.newWebSocketBuilder()
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.buildAsync(wsURI, noOpListener).get().abort();
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assertEquals(ps.count(), 1); // ps.select only invoked once
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return null; },
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new URLPermission[] {
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new URLPermission(wsURI.toString()), // empty headers
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new URLPermission("socket://"+proxyAddress.getHostName()
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+":"+proxyAddress.getPort(), "CONNECT:")},
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"20" },
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{ (PrivilegedExceptionAction<?>)() -> {
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assert proxyAddress != null;
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ProxySelector ps = ProxySelector.of(proxyAddress);
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HttpClient client = HttpClient.newBuilder().proxy(ps).build();
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client.newWebSocketBuilder()
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.buildAsync(wsURI, noOpListener).get().abort();
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return null; },
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new URLPermission[] {
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new URLPermission(wsURI.toString()),
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new URLPermission("socket://*")}, // wildcard socket URL
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"21" },
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{ (PrivilegedExceptionAction<?>)() -> {
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assert proxyAddress != null;
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ProxySelector ps = ProxySelector.of(proxyAddress);
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HttpClient client = HttpClient.newBuilder().proxy(ps).build();
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client.newWebSocketBuilder()
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.buildAsync(wsURI, noOpListener).get().abort();
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return null; },
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new URLPermission[] {
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new URLPermission("ws://*"), // wildcard ws URL
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new URLPermission("socket://*")}, // wildcard socket URL
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"22" },
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};
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}
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@Test(dataProvider = "passingScenarios")
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public void testWithNoSecurityManager(PrivilegedExceptionAction<?> action,
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URLPermission[] unused,
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String dataProviderId)
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throws Exception
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{
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// sanity ( no security manager )
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System.setSecurityManager(null);
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try {
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AccessController.doPrivileged(action);
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} finally {
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System.setSecurityManager(new SecurityManager());
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}
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}
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@Test(dataProvider = "passingScenarios")
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public void testWithAllPermissions(PrivilegedExceptionAction<?> action,
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URLPermission[] unused,
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String dataProviderId)
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throws Exception
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{
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// Run with all permissions, i.e. no further restrictions than test's AllPermission
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assert System.getSecurityManager() != null;
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AccessController.doPrivileged(action);
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}
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@Test(dataProvider = "passingScenarios")
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public void testWithMinimalPermissions(PrivilegedExceptionAction<?> action,
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URLPermission[] perms,
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String dataProviderId)
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throws Exception
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{
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// Run with minimal permissions, i.e. just what is required
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assert System.getSecurityManager() != null;
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390 |
AccessControlContext minimalACC = withPermissions(perms);
|
|
391 |
AccessController.doPrivileged(action, minimalACC);
|
|
392 |
}
|
|
393 |
|
|
394 |
@Test(dataProvider = "passingScenarios")
|
|
395 |
public void testWithNoPermissions(PrivilegedExceptionAction<?> action,
|
|
396 |
URLPermission[] unused,
|
|
397 |
String dataProviderId)
|
|
398 |
throws Exception
|
|
399 |
{
|
|
400 |
// Run with NO permissions, i.e. expect SecurityException
|
|
401 |
assert System.getSecurityManager() != null;
|
|
402 |
try {
|
|
403 |
AccessController.doPrivileged(action, noPermissions());
|
|
404 |
fail("EXPECTED SecurityException");
|
|
405 |
} catch (PrivilegedActionException expected) {
|
|
406 |
Throwable t = expected.getCause();
|
|
407 |
if (t instanceof ExecutionException)
|
|
408 |
t = t.getCause();
|
|
409 |
|
|
410 |
if (t instanceof SecurityException)
|
|
411 |
System.out.println("Caught expected SE:" + expected);
|
|
412 |
else
|
|
413 |
fail("Expected SecurityException, but got: " + t);
|
|
414 |
}
|
|
415 |
}
|
|
416 |
|
|
417 |
// --- Negative tests ---
|
|
418 |
|
|
419 |
@DataProvider(name = "failingScenarios")
|
|
420 |
public Object[][] failingScenarios() {
|
|
421 |
HttpClient noProxyClient = HttpClient.newHttpClient();
|
|
422 |
return new Object[][]{
|
|
423 |
{ (PrivilegedExceptionAction<?>) () -> {
|
|
424 |
noProxyClient.newWebSocketBuilder()
|
|
425 |
.buildAsync(wsURI, noOpListener).get().abort();
|
|
426 |
return null;
|
|
427 |
},
|
|
428 |
new URLPermission[]{ /* no permissions */ },
|
|
429 |
"50" /* for log file identification */},
|
|
430 |
|
|
431 |
{ (PrivilegedExceptionAction<?>) () -> {
|
|
432 |
noProxyClient.newWebSocketBuilder()
|
|
433 |
.buildAsync(wsURI, noOpListener).get().abort();
|
|
434 |
return null;
|
|
435 |
}, // wrong scheme
|
|
436 |
new URLPermission[]{ new URLPermission("http://*") },
|
|
437 |
"51" },
|
|
438 |
|
|
439 |
{ (PrivilegedExceptionAction<?>) () -> {
|
|
440 |
noProxyClient.newWebSocketBuilder()
|
|
441 |
.buildAsync(wsURI, noOpListener).get().abort();
|
|
442 |
return null;
|
|
443 |
}, // wrong scheme
|
|
444 |
new URLPermission[]{ new URLPermission("socket://*") },
|
|
445 |
"52" },
|
|
446 |
|
|
447 |
{ (PrivilegedExceptionAction<?>) () -> {
|
|
448 |
noProxyClient.newWebSocketBuilder()
|
|
449 |
.buildAsync(wsURI, noOpListener).get().abort();
|
|
450 |
return null;
|
|
451 |
}, // wrong host
|
|
452 |
new URLPermission[]{ new URLPermission("ws://foo.com/") },
|
|
453 |
"53" },
|
|
454 |
|
|
455 |
{ (PrivilegedExceptionAction<?>) () -> {
|
|
456 |
noProxyClient.newWebSocketBuilder()
|
|
457 |
.buildAsync(wsURI, noOpListener).get().abort();
|
|
458 |
return null;
|
|
459 |
}, // wrong port
|
|
460 |
new URLPermission[]{ new URLPermission("ws://"+ wsURI.getHost()+":5") },
|
|
461 |
"54" },
|
|
462 |
|
|
463 |
{ (PrivilegedExceptionAction<?>) () -> {
|
|
464 |
noProxyClient.newWebSocketBuilder()
|
|
465 |
.header("A-Header", "A-Value")
|
|
466 |
.buildAsync(wsURI, noOpListener).get().abort();
|
|
467 |
return null;
|
|
468 |
}, // only perm to set B not A
|
|
469 |
new URLPermission[] { new URLPermission(wsURI.toString(), "*:B-Header") },
|
|
470 |
"55" },
|
|
471 |
|
|
472 |
{ (PrivilegedExceptionAction<?>) () -> {
|
|
473 |
noProxyClient.newWebSocketBuilder()
|
|
474 |
.header("A-Header", "A-Value")
|
|
475 |
.header("B-Header", "B-Value")
|
|
476 |
.buildAsync(wsURI, noOpListener).get().abort();
|
|
477 |
return null;
|
|
478 |
}, // only perm to set B not A
|
|
479 |
new URLPermission[] { new URLPermission(wsURI.toString(), "*:B-Header") },
|
|
480 |
"56" },
|
|
481 |
|
|
482 |
{ (PrivilegedExceptionAction<?>)() -> {
|
|
483 |
URI uriWithPath = wsURI.resolve("/path/x");
|
|
484 |
noProxyClient.newWebSocketBuilder()
|
|
485 |
.buildAsync(uriWithPath, noOpListener).get().abort();
|
|
486 |
return null; }, // wrong path
|
|
487 |
new URLPermission[] { new URLPermission(wsURI.resolve("/aDiffPath/").toString()) },
|
|
488 |
"57" },
|
|
489 |
|
|
490 |
{ (PrivilegedExceptionAction<?>)() -> {
|
|
491 |
URI uriWithPath = wsURI.resolve("/path/x");
|
|
492 |
noProxyClient.newWebSocketBuilder()
|
|
493 |
.buildAsync(uriWithPath, noOpListener).get().abort();
|
|
494 |
return null; }, // more specific path
|
|
495 |
new URLPermission[] { new URLPermission(wsURI.resolve("/path/x/y").toString()) },
|
|
496 |
"58" },
|
|
497 |
|
|
498 |
// client with a HTTP/HTTPS proxy
|
|
499 |
{ (PrivilegedExceptionAction<?>)() -> {
|
|
500 |
assert proxyAddress != null;
|
|
501 |
ProxySelector ps = ProxySelector.of(proxyAddress);
|
|
502 |
HttpClient client = HttpClient.newBuilder().proxy(ps).build();
|
|
503 |
client.newWebSocketBuilder()
|
|
504 |
.buildAsync(wsURI, noOpListener).get().abort();
|
|
505 |
return null; }, // missing proxy perm
|
|
506 |
new URLPermission[] { new URLPermission(wsURI.toString()) },
|
|
507 |
"100" },
|
|
508 |
|
|
509 |
// client with a HTTP/HTTPS proxy
|
|
510 |
{ (PrivilegedExceptionAction<?>)() -> {
|
|
511 |
assert proxyAddress != null;
|
|
512 |
ProxySelector ps = ProxySelector.of(proxyAddress);
|
|
513 |
HttpClient client = HttpClient.newBuilder().proxy(ps).build();
|
|
514 |
client.newWebSocketBuilder()
|
|
515 |
.buildAsync(wsURI, noOpListener).get().abort();
|
|
516 |
return null; },
|
|
517 |
new URLPermission[] {
|
|
518 |
new URLPermission(wsURI.toString()), // missing proxy CONNECT
|
|
519 |
new URLPermission("socket://*", "GET") },
|
|
520 |
"101" },
|
|
521 |
};
|
|
522 |
}
|
|
523 |
|
|
524 |
@Test(dataProvider = "failingScenarios")
|
|
525 |
public void testWithoutEnoughPermissions(PrivilegedExceptionAction<?> action,
|
|
526 |
URLPermission[] perms,
|
|
527 |
String dataProviderId)
|
|
528 |
throws Exception
|
|
529 |
{
|
|
530 |
// Run without Enough permissions, i.e. expect SecurityException
|
|
531 |
assert System.getSecurityManager() != null;
|
|
532 |
AccessControlContext notEnoughPermsACC = withPermissions(perms);
|
|
533 |
try {
|
|
534 |
AccessController.doPrivileged(action, notEnoughPermsACC);
|
|
535 |
fail("EXPECTED SecurityException");
|
|
536 |
} catch (PrivilegedActionException expected) {
|
|
537 |
Throwable t = expected.getCause();
|
|
538 |
if (t instanceof ExecutionException)
|
|
539 |
t = t.getCause();
|
|
540 |
|
|
541 |
if (t instanceof SecurityException)
|
|
542 |
System.out.println("Caught expected SE:" + expected);
|
|
543 |
else
|
|
544 |
fail("Expected SecurityException, but got: " + t);
|
|
545 |
}
|
|
546 |
}
|
|
547 |
|
|
548 |
/**
|
|
549 |
* A Proxy Selector that wraps a ProxySelector.of(), and counts the number
|
|
550 |
* of times its select method has been invoked. This can be used to ensure
|
|
551 |
* that the Proxy Selector is invoked only once per WebSocket.Builder::buildAsync
|
|
552 |
* invocation.
|
|
553 |
*/
|
|
554 |
static class CountingProxySelector extends ProxySelector {
|
|
555 |
private final ProxySelector proxySelector;
|
|
556 |
private volatile int count; // 0
|
|
557 |
private CountingProxySelector(InetSocketAddress proxyAddress) {
|
|
558 |
proxySelector = ProxySelector.of(proxyAddress);
|
|
559 |
}
|
|
560 |
|
|
561 |
public static CountingProxySelector of(InetSocketAddress proxyAddress) {
|
|
562 |
return new CountingProxySelector(proxyAddress);
|
|
563 |
}
|
|
564 |
|
|
565 |
int count() { return count; }
|
|
566 |
|
|
567 |
@Override
|
|
568 |
public List<Proxy> select(URI uri) {
|
|
569 |
System.out.println("PS: uri");
|
|
570 |
Throwable t = new Throwable();
|
|
571 |
t.printStackTrace(System.out);
|
|
572 |
count++;
|
|
573 |
return proxySelector.select(uri);
|
|
574 |
}
|
|
575 |
|
|
576 |
@Override
|
|
577 |
public void connectFailed(URI uri, SocketAddress sa, IOException ioe) {
|
|
578 |
proxySelector.connectFailed(uri, sa, ioe);
|
|
579 |
}
|
|
580 |
}
|
|
581 |
}
|