1101 lines
45 KiB
Java
1101 lines
45 KiB
Java
/**
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*
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* Copyright the original author or authors
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package org.jivesoftware.smackx.bytestreams.socks5;
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import static org.junit.Assert.assertArrayEquals;
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import static org.junit.Assert.assertEquals;
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import static org.junit.Assert.assertFalse;
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import static org.junit.Assert.assertNotSame;
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import static org.junit.Assert.assertTrue;
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import static org.junit.Assert.fail;
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import static org.mockito.Mockito.mock;
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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.ConnectException;
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import org.jivesoftware.smack.SmackException;
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import org.jivesoftware.smack.SmackException.FeatureNotSupportedException;
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import org.jivesoftware.smack.XMPPConnection;
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import org.jivesoftware.smack.XMPPException;
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import org.jivesoftware.smack.XMPPException.XMPPErrorException;
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import org.jivesoftware.smack.packet.ErrorIQ;
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import org.jivesoftware.smack.packet.IQ;
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import org.jivesoftware.smack.packet.XMPPError;
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import org.jivesoftware.smackx.bytestreams.socks5.packet.Bytestream;
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import org.jivesoftware.smackx.bytestreams.socks5.packet.Bytestream.StreamHost;
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import org.jivesoftware.smackx.disco.ServiceDiscoveryManager;
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import org.jivesoftware.smackx.disco.packet.DiscoverInfo;
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import org.jivesoftware.smackx.disco.packet.DiscoverItems;
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import org.jivesoftware.smackx.disco.packet.DiscoverInfo.Identity;
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import org.jivesoftware.smackx.disco.packet.DiscoverItems.Item;
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import org.jivesoftware.util.ConnectionUtils;
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import org.jivesoftware.util.Protocol;
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import org.jivesoftware.util.Verification;
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import org.junit.After;
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import org.junit.Before;
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import org.junit.Test;
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import org.jxmpp.jid.DomainBareJid;
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import org.jxmpp.jid.EntityFullJid;
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import org.jxmpp.jid.JidTestUtil;
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import org.jxmpp.jid.impl.JidCreate;
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import org.jxmpp.stringprep.XmppStringprepException;
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/**
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* Test for Socks5BytestreamManager.
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*
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* @author Henning Staib
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*/
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public class Socks5ByteStreamManagerTest {
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// settings
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static final EntityFullJid initiatorJID = JidTestUtil.DUMMY_AT_EXAMPLE_ORG_SLASH_DUMMYRESOURCE;
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static final EntityFullJid targetJID = JidTestUtil.FULL_JID_1_RESOURCE_1;
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static final DomainBareJid xmppServer = JidTestUtil.DOMAIN_BARE_JID_1;
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static final DomainBareJid proxyJID = JidTestUtil.MUC_EXAMPLE_ORG;
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String proxyAddress = "127.0.0.1";
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String sessionID = "session_id";
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// protocol verifier
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Protocol protocol;
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// mocked XMPP connection
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XMPPConnection connection;
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/**
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* Initialize fields used in the tests.
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* @throws XMPPException
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* @throws SmackException
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* @throws InterruptedException
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*/
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@Before
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public void setup() throws XMPPException, SmackException, InterruptedException {
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// build protocol verifier
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protocol = new Protocol();
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// create mocked XMPP connection
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connection = ConnectionUtils.createMockedConnection(protocol, initiatorJID, xmppServer);
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}
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/**
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* Test that {@link Socks5BytestreamManager#getBytestreamManager(XMPPConnection)} returns one
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* bytestream manager for every connection.
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*/
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@Test
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public void shouldHaveOneManagerForEveryConnection() {
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// mock two connections
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XMPPConnection connection1 = mock(XMPPConnection.class);
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XMPPConnection connection2 = mock(XMPPConnection.class);
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/*
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* create service discovery managers for the connections because the
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* ConnectionCreationListener is not called when creating mocked connections
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*/
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ServiceDiscoveryManager.getInstanceFor(connection1);
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ServiceDiscoveryManager.getInstanceFor(connection2);
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// get bytestream manager for the first connection twice
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Socks5BytestreamManager conn1ByteStreamManager1 = Socks5BytestreamManager.getBytestreamManager(connection1);
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Socks5BytestreamManager conn1ByteStreamManager2 = Socks5BytestreamManager.getBytestreamManager(connection1);
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// get bytestream manager for second connection
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Socks5BytestreamManager conn2ByteStreamManager1 = Socks5BytestreamManager.getBytestreamManager(connection2);
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// assertions
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assertEquals(conn1ByteStreamManager1, conn1ByteStreamManager2);
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assertNotSame(conn1ByteStreamManager1, conn2ByteStreamManager1);
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}
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/**
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* The SOCKS5 Bytestream feature should be removed form the service discovery manager if Socks5
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* bytestream feature is disabled.
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*/
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@Test
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public void shouldDisableService() {
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Socks5BytestreamManager byteStreamManager = Socks5BytestreamManager.getBytestreamManager(connection);
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ServiceDiscoveryManager discoveryManager = ServiceDiscoveryManager.getInstanceFor(connection);
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assertTrue(discoveryManager.includesFeature(Bytestream.NAMESPACE));
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byteStreamManager.disableService();
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assertFalse(discoveryManager.includesFeature(Bytestream.NAMESPACE));
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}
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/**
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* Invoking {@link Socks5BytestreamManager#establishSession(org.jxmpp.jid.Jid)} should throw an exception
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* if the given target does not support SOCKS5 Bytestream.
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* @throws XMPPException
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*/
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@Test
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public void shouldFailIfTargetDoesNotSupportSocks5() throws XMPPException {
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Socks5BytestreamManager byteStreamManager = Socks5BytestreamManager.getBytestreamManager(connection);
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try {
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// build empty discover info as reply if targets features are queried
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DiscoverInfo discoverInfo = new DiscoverInfo();
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protocol.addResponse(discoverInfo);
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// start SOCKS5 Bytestream
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byteStreamManager.establishSession(targetJID);
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fail("exception should be thrown");
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}
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catch (FeatureNotSupportedException e) {
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assertTrue(e.getFeature().equals("SOCKS5 Bytestream"));
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assertTrue(e.getJid().equals(targetJID));
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} catch(Exception e) {
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fail(e.getMessage());
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}
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}
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/**
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* Invoking {@link Socks5BytestreamManager#establishSession(org.jxmpp.jid.Jid, String)} should fail if XMPP
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* server doesn't return any proxies.
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*/
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@Test
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public void shouldFailIfNoSocks5ProxyFound1() {
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// disable clients local SOCKS5 proxy
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Socks5Proxy.setLocalSocks5ProxyEnabled(false);
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// get Socks5ByteStreamManager for connection
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Socks5BytestreamManager byteStreamManager = Socks5BytestreamManager.getBytestreamManager(connection);
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/**
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* create responses in the order they should be queried specified by the XEP-0065
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* specification
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*/
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// build discover info that supports the SOCKS5 feature
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DiscoverInfo discoverInfo = Socks5PacketUtils.createDiscoverInfo(targetJID, initiatorJID);
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discoverInfo.addFeature(Bytestream.NAMESPACE);
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// return that SOCKS5 is supported if target is queried
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protocol.addResponse(discoverInfo, Verification.correspondingSenderReceiver,
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Verification.requestTypeGET);
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// build discover items with no proxy items
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DiscoverItems discoverItems = Socks5PacketUtils.createDiscoverItems(xmppServer,
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initiatorJID);
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// return the item with no proxy if XMPP server is queried
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protocol.addResponse(discoverItems, Verification.correspondingSenderReceiver,
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Verification.requestTypeGET);
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try {
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// start SOCKS5 Bytestream
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byteStreamManager.establishSession(targetJID, sessionID);
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fail("exception should be thrown");
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}
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catch (SmackException e) {
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protocol.verifyAll();
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assertTrue(e.getMessage().contains("no SOCKS5 proxies available"));
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}
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catch (Exception e) {
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fail(e.getMessage());
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}
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}
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/**
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* Invoking {@link Socks5BytestreamManager#establishSession(org.jxmpp.jid.Jid, String)} should fail if no
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* proxy is a SOCKS5 proxy.
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*/
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@Test
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public void shouldFailIfNoSocks5ProxyFound2() {
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// disable clients local SOCKS5 proxy
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Socks5Proxy.setLocalSocks5ProxyEnabled(false);
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// get Socks5ByteStreamManager for connection
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Socks5BytestreamManager byteStreamManager = Socks5BytestreamManager.getBytestreamManager(connection);
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/**
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* create responses in the order they should be queried specified by the XEP-0065
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* specification
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*/
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// build discover info that supports the SOCKS5 feature
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DiscoverInfo discoverInfo = Socks5PacketUtils.createDiscoverInfo(targetJID, initiatorJID);
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discoverInfo.addFeature(Bytestream.NAMESPACE);
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// return that SOCKS5 is supported if target is queried
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protocol.addResponse(discoverInfo, Verification.correspondingSenderReceiver,
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Verification.requestTypeGET);
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// build discover items containing a proxy item
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DiscoverItems discoverItems = Socks5PacketUtils.createDiscoverItems(xmppServer,
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initiatorJID);
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Item item = new Item(proxyJID);
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discoverItems.addItem(item);
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// return the proxy item if XMPP server is queried
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protocol.addResponse(discoverItems, Verification.correspondingSenderReceiver,
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Verification.requestTypeGET);
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// build discover info for proxy containing information about NOT being a Socks5
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// proxy
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DiscoverInfo proxyInfo = Socks5PacketUtils.createDiscoverInfo(proxyJID, initiatorJID);
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Identity identity = new Identity("noproxy", proxyJID.toString(), "bytestreams");
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proxyInfo.addIdentity(identity);
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// return the proxy identity if proxy is queried
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protocol.addResponse(proxyInfo, Verification.correspondingSenderReceiver,
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Verification.requestTypeGET);
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try {
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// start SOCKS5 Bytestream
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byteStreamManager.establishSession(targetJID, sessionID);
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fail("exception should be thrown");
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}
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catch (SmackException e) {
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protocol.verifyAll();
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assertTrue(e.getMessage().contains("no SOCKS5 proxies available"));
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}
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catch (Exception e) {
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fail(e.getMessage());
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}
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}
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/**
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* Invoking {@link Socks5BytestreamManager#establishSession(org.jxmpp.jid.Jid, String)} should fail if no
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* SOCKS5 proxy can be found. If it turns out that a proxy is not a SOCKS5 proxy it should not
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* be queried again.
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*/
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@Test
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public void shouldBlacklistNonSocks5Proxies() {
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// disable clients local SOCKS5 proxy
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Socks5Proxy.setLocalSocks5ProxyEnabled(false);
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// get Socks5ByteStreamManager for connection
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Socks5BytestreamManager byteStreamManager = Socks5BytestreamManager.getBytestreamManager(connection);
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/**
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* create responses in the order they should be queried specified by the XEP-0065
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* specification
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*/
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// build discover info that supports the SOCKS5 feature
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DiscoverInfo discoverInfo = Socks5PacketUtils.createDiscoverInfo(targetJID, initiatorJID);
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discoverInfo.addFeature(Bytestream.NAMESPACE);
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// return that SOCKS5 is supported if target is queried
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protocol.addResponse(discoverInfo, Verification.correspondingSenderReceiver,
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Verification.requestTypeGET);
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// build discover items containing a proxy item
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DiscoverItems discoverItems = Socks5PacketUtils.createDiscoverItems(xmppServer,
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initiatorJID);
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Item item = new Item(proxyJID);
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discoverItems.addItem(item);
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// return the proxy item if XMPP server is queried
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protocol.addResponse(discoverItems, Verification.correspondingSenderReceiver,
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Verification.requestTypeGET);
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// build discover info for proxy containing information about NOT being a Socks5
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// proxy
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DiscoverInfo proxyInfo = Socks5PacketUtils.createDiscoverInfo(proxyJID, initiatorJID);
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Identity identity = new Identity("noproxy", proxyJID.toString(), "bytestreams");
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proxyInfo.addIdentity(identity);
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// return the proxy identity if proxy is queried
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protocol.addResponse(proxyInfo, Verification.correspondingSenderReceiver,
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Verification.requestTypeGET);
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try {
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// start SOCKS5 Bytestream
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byteStreamManager.establishSession(targetJID, sessionID);
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fail("exception should be thrown");
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}
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catch (SmackException e) {
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protocol.verifyAll();
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assertTrue(e.getMessage().contains("no SOCKS5 proxies available"));
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}
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catch (Exception e) {
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fail(e.getMessage());
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}
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/* retry to establish SOCKS5 Bytestream */
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// add responses for service discovery again
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protocol.addResponse(discoverInfo, Verification.correspondingSenderReceiver,
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Verification.requestTypeGET);
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protocol.addResponse(discoverItems, Verification.correspondingSenderReceiver,
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Verification.requestTypeGET);
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try {
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// start SOCKS5 Bytestream
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byteStreamManager.establishSession(targetJID, sessionID);
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fail("exception should be thrown");
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}
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catch (SmackException e) {
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/*
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* #verifyAll() tests if the number of requests and responses corresponds and should
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* fail if the invalid proxy is queried again
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*/
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protocol.verifyAll();
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assertTrue(e.getMessage().contains("no SOCKS5 proxies available"));
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}
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catch (Exception e) {
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fail(e.getMessage());
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}
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}
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/**
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* Invoking {@link Socks5BytestreamManager#establishSession(org.jxmpp.jid.Jid, String)} should fail if the
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* target does not accept a SOCKS5 Bytestream. See <a
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* href="http://xmpp.org/extensions/xep-0065.html#usecase-alternate">XEP-0065 Section 5.2 A2</a>
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*/
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@Test
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public void shouldFailIfTargetDoesNotAcceptSocks5Bytestream() {
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// disable clients local SOCKS5 proxy
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Socks5Proxy.setLocalSocks5ProxyEnabled(false);
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// get Socks5ByteStreamManager for connection
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Socks5BytestreamManager byteStreamManager = Socks5BytestreamManager.getBytestreamManager(connection);
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/**
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* create responses in the order they should be queried specified by the XEP-0065
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* specification
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*/
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// build discover info that supports the SOCKS5 feature
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DiscoverInfo discoverInfo = Socks5PacketUtils.createDiscoverInfo(targetJID, initiatorJID);
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discoverInfo.addFeature(Bytestream.NAMESPACE);
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// return that SOCKS5 is supported if target is queried
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protocol.addResponse(discoverInfo, Verification.correspondingSenderReceiver,
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Verification.requestTypeGET);
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// build discover items containing a proxy item
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DiscoverItems discoverItems = Socks5PacketUtils.createDiscoverItems(xmppServer,
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initiatorJID);
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Item item = new Item(proxyJID);
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discoverItems.addItem(item);
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// return the proxy item if XMPP server is queried
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protocol.addResponse(discoverItems, Verification.correspondingSenderReceiver,
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Verification.requestTypeGET);
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// build discover info for proxy containing information about being a SOCKS5 proxy
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DiscoverInfo proxyInfo = Socks5PacketUtils.createDiscoverInfo(proxyJID, initiatorJID);
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Identity identity = new Identity("proxy", proxyJID.toString(), "bytestreams");
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proxyInfo.addIdentity(identity);
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// return the socks5 bytestream proxy identity if proxy is queried
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protocol.addResponse(proxyInfo, Verification.correspondingSenderReceiver,
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Verification.requestTypeGET);
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// build a socks5 stream host info containing the address and the port of the
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// proxy
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Bytestream streamHostInfo = Socks5PacketUtils.createBytestreamResponse(proxyJID,
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initiatorJID);
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streamHostInfo.addStreamHost(proxyJID, proxyAddress, 7778);
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// return stream host info if it is queried
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protocol.addResponse(streamHostInfo, Verification.correspondingSenderReceiver,
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Verification.requestTypeGET);
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// build error packet to reject SOCKS5 Bytestream
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XMPPError xmppError = new XMPPError(XMPPError.Condition.not_acceptable);
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IQ rejectPacket = new ErrorIQ(xmppError);
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rejectPacket.setFrom(targetJID);
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rejectPacket.setTo(initiatorJID);
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rejectPacket.setError(xmppError);
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// return error packet as response to the bytestream initiation
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protocol.addResponse(rejectPacket, Verification.correspondingSenderReceiver,
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Verification.requestTypeSET);
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try {
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// start SOCKS5 Bytestream
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byteStreamManager.establishSession(targetJID, sessionID);
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fail("exception should be thrown");
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}
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catch (XMPPErrorException e) {
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protocol.verifyAll();
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assertEquals(xmppError, e.getXMPPError());
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}
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catch (Exception e) {
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fail(e.getMessage());
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}
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}
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/**
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* Invoking {@link Socks5BytestreamManager#establishSession(org.jxmpp.jid.Jid, String)} should fail if the
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* proxy used by target is invalid.
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* @throws XmppStringprepException
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*/
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@Test
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public void shouldFailIfTargetUsesInvalidSocks5Proxy() throws XmppStringprepException {
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// disable clients local SOCKS5 proxy
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Socks5Proxy.setLocalSocks5ProxyEnabled(false);
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// get Socks5ByteStreamManager for connection
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Socks5BytestreamManager byteStreamManager = Socks5BytestreamManager.getBytestreamManager(connection);
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/**
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* create responses in the order they should be queried specified by the XEP-0065
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* specification
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*/
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// build discover info that supports the SOCKS5 feature
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DiscoverInfo discoverInfo = Socks5PacketUtils.createDiscoverInfo(targetJID, initiatorJID);
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discoverInfo.addFeature(Bytestream.NAMESPACE);
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// return that SOCKS5 is supported if target is queried
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protocol.addResponse(discoverInfo, Verification.correspondingSenderReceiver,
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Verification.requestTypeGET);
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// build discover items containing a proxy item
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DiscoverItems discoverItems = Socks5PacketUtils.createDiscoverItems(xmppServer,
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initiatorJID);
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Item item = new Item(proxyJID);
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discoverItems.addItem(item);
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// return the proxy item if XMPP server is queried
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protocol.addResponse(discoverItems, Verification.correspondingSenderReceiver,
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Verification.requestTypeGET);
|
|
|
|
// build discover info for proxy containing information about being a SOCKS5 proxy
|
|
DiscoverInfo proxyInfo = Socks5PacketUtils.createDiscoverInfo(proxyJID, initiatorJID);
|
|
Identity identity = new Identity("proxy", proxyJID.toString(), "bytestreams");
|
|
proxyInfo.addIdentity(identity);
|
|
|
|
// return the socks5 bytestream proxy identity if proxy is queried
|
|
protocol.addResponse(proxyInfo, Verification.correspondingSenderReceiver,
|
|
Verification.requestTypeGET);
|
|
|
|
// build a socks5 stream host info containing the address and the port of the
|
|
// proxy
|
|
Bytestream streamHostInfo = Socks5PacketUtils.createBytestreamResponse(proxyJID,
|
|
initiatorJID);
|
|
streamHostInfo.addStreamHost(proxyJID, proxyAddress, 7778);
|
|
|
|
// return stream host info if it is queried
|
|
protocol.addResponse(streamHostInfo, Verification.correspondingSenderReceiver,
|
|
Verification.requestTypeGET);
|
|
|
|
// build used stream host response with unknown proxy
|
|
Bytestream streamHostUsedPacket = Socks5PacketUtils.createBytestreamResponse(targetJID,
|
|
initiatorJID);
|
|
streamHostUsedPacket.setSessionID(sessionID);
|
|
streamHostUsedPacket.setUsedHost(JidCreate.from("invalid.proxy"));
|
|
|
|
// return used stream host info as response to the bytestream initiation
|
|
protocol.addResponse(streamHostUsedPacket, Verification.correspondingSenderReceiver,
|
|
Verification.requestTypeSET);
|
|
|
|
try {
|
|
|
|
// start SOCKS5 Bytestream
|
|
byteStreamManager.establishSession(targetJID, sessionID);
|
|
|
|
fail("exception should be thrown");
|
|
}
|
|
catch (SmackException e) {
|
|
protocol.verifyAll();
|
|
assertTrue(e.getMessage().contains("Remote user responded with unknown host"));
|
|
}
|
|
catch (Exception e) {
|
|
fail(e.getMessage());
|
|
}
|
|
|
|
}
|
|
|
|
/**
|
|
* Invoking {@link Socks5BytestreamManager#establishSession(org.jxmpp.jid.Jid, String)} should fail if
|
|
* initiator can not connect to the SOCKS5 proxy used by target.
|
|
*/
|
|
@Test
|
|
public void shouldFailIfInitiatorCannotConnectToSocks5Proxy() {
|
|
|
|
// disable clients local SOCKS5 proxy
|
|
Socks5Proxy.setLocalSocks5ProxyEnabled(false);
|
|
|
|
// get Socks5ByteStreamManager for connection
|
|
Socks5BytestreamManager byteStreamManager = Socks5BytestreamManager.getBytestreamManager(connection);
|
|
|
|
/**
|
|
* create responses in the order they should be queried specified by the XEP-0065
|
|
* specification
|
|
*/
|
|
|
|
// build discover info that supports the SOCKS5 feature
|
|
DiscoverInfo discoverInfo = Socks5PacketUtils.createDiscoverInfo(targetJID, initiatorJID);
|
|
discoverInfo.addFeature(Bytestream.NAMESPACE);
|
|
|
|
// return that SOCKS5 is supported if target is queried
|
|
protocol.addResponse(discoverInfo, Verification.correspondingSenderReceiver,
|
|
Verification.requestTypeGET);
|
|
|
|
// build discover items containing a proxy item
|
|
DiscoverItems discoverItems = Socks5PacketUtils.createDiscoverItems(xmppServer,
|
|
initiatorJID);
|
|
Item item = new Item(proxyJID);
|
|
discoverItems.addItem(item);
|
|
|
|
// return the proxy item if XMPP server is queried
|
|
protocol.addResponse(discoverItems, Verification.correspondingSenderReceiver,
|
|
Verification.requestTypeGET);
|
|
|
|
// build discover info for proxy containing information about being a SOCKS5 proxy
|
|
DiscoverInfo proxyInfo = Socks5PacketUtils.createDiscoverInfo(proxyJID, initiatorJID);
|
|
Identity identity = new Identity("proxy", proxyJID.toString(), "bytestreams");
|
|
proxyInfo.addIdentity(identity);
|
|
|
|
// return the socks5 bytestream proxy identity if proxy is queried
|
|
protocol.addResponse(proxyInfo, Verification.correspondingSenderReceiver,
|
|
Verification.requestTypeGET);
|
|
|
|
// build a socks5 stream host info containing the address and the port of the
|
|
// proxy
|
|
Bytestream streamHostInfo = Socks5PacketUtils.createBytestreamResponse(proxyJID,
|
|
initiatorJID);
|
|
streamHostInfo.addStreamHost(proxyJID, proxyAddress, 7778);
|
|
|
|
// return stream host info if it is queried
|
|
protocol.addResponse(streamHostInfo, Verification.correspondingSenderReceiver,
|
|
Verification.requestTypeGET);
|
|
|
|
// build used stream host response
|
|
Bytestream streamHostUsedPacket = Socks5PacketUtils.createBytestreamResponse(targetJID,
|
|
initiatorJID);
|
|
streamHostUsedPacket.setSessionID(sessionID);
|
|
streamHostUsedPacket.setUsedHost(proxyJID);
|
|
|
|
// return used stream host info as response to the bytestream initiation
|
|
protocol.addResponse(streamHostUsedPacket, new Verification<Bytestream, Bytestream>() {
|
|
|
|
public void verify(Bytestream request, Bytestream response) {
|
|
// verify SOCKS5 Bytestream request
|
|
assertEquals(response.getSessionID(), request.getSessionID());
|
|
assertEquals(1, request.getStreamHosts().size());
|
|
StreamHost streamHost = (StreamHost) request.getStreamHosts().toArray()[0];
|
|
assertEquals(response.getUsedHost().getJID(), streamHost.getJID());
|
|
}
|
|
|
|
}, Verification.correspondingSenderReceiver, Verification.requestTypeSET);
|
|
|
|
try {
|
|
|
|
// start SOCKS5 Bytestream
|
|
byteStreamManager.establishSession(targetJID, sessionID);
|
|
|
|
fail("exception should be thrown");
|
|
}
|
|
catch (IOException e) {
|
|
// initiator can't connect to proxy because it is not running
|
|
protocol.verifyAll();
|
|
assertEquals(ConnectException.class, e.getClass());
|
|
}
|
|
catch (Exception e) {
|
|
fail(e.getMessage());
|
|
}
|
|
|
|
}
|
|
|
|
/**
|
|
* Invoking {@link Socks5BytestreamManager#establishSession(org.jxmpp.jid.Jid, String)} should successfully
|
|
* negotiate and return a SOCKS5 Bytestream connection.
|
|
*
|
|
* @throws Exception should not happen
|
|
*/
|
|
@Test
|
|
public void shouldNegotiateSocks5BytestreamAndTransferData() throws Exception {
|
|
|
|
// disable clients local SOCKS5 proxy
|
|
Socks5Proxy.setLocalSocks5ProxyEnabled(false);
|
|
|
|
// get Socks5ByteStreamManager for connection
|
|
Socks5BytestreamManager byteStreamManager = Socks5BytestreamManager.getBytestreamManager(connection);
|
|
|
|
/**
|
|
* create responses in the order they should be queried specified by the XEP-0065
|
|
* specification
|
|
*/
|
|
|
|
// build discover info that supports the SOCKS5 feature
|
|
DiscoverInfo discoverInfo = Socks5PacketUtils.createDiscoverInfo(targetJID, initiatorJID);
|
|
discoverInfo.addFeature(Bytestream.NAMESPACE);
|
|
|
|
// return that SOCKS5 is supported if target is queried
|
|
protocol.addResponse(discoverInfo, Verification.correspondingSenderReceiver,
|
|
Verification.requestTypeGET);
|
|
|
|
// build discover items containing a proxy item
|
|
DiscoverItems discoverItems = Socks5PacketUtils.createDiscoverItems(xmppServer,
|
|
initiatorJID);
|
|
Item item = new Item(proxyJID);
|
|
discoverItems.addItem(item);
|
|
|
|
// return the proxy item if XMPP server is queried
|
|
protocol.addResponse(discoverItems, Verification.correspondingSenderReceiver,
|
|
Verification.requestTypeGET);
|
|
|
|
// build discover info for proxy containing information about being a SOCKS5 proxy
|
|
DiscoverInfo proxyInfo = Socks5PacketUtils.createDiscoverInfo(proxyJID, initiatorJID);
|
|
Identity identity = new Identity("proxy", proxyJID.toString(), "bytestreams");
|
|
proxyInfo.addIdentity(identity);
|
|
|
|
// return the socks5 bytestream proxy identity if proxy is queried
|
|
protocol.addResponse(proxyInfo, Verification.correspondingSenderReceiver,
|
|
Verification.requestTypeGET);
|
|
|
|
// build a socks5 stream host info containing the address and the port of the
|
|
// proxy
|
|
Bytestream streamHostInfo = Socks5PacketUtils.createBytestreamResponse(proxyJID,
|
|
initiatorJID);
|
|
streamHostInfo.addStreamHost(proxyJID, proxyAddress, 7778);
|
|
|
|
// return stream host info if it is queried
|
|
protocol.addResponse(streamHostInfo, Verification.correspondingSenderReceiver,
|
|
Verification.requestTypeGET);
|
|
|
|
// build used stream host response
|
|
Bytestream streamHostUsedPacket = Socks5PacketUtils.createBytestreamResponse(targetJID,
|
|
initiatorJID);
|
|
streamHostUsedPacket.setSessionID(sessionID);
|
|
streamHostUsedPacket.setUsedHost(proxyJID);
|
|
|
|
// return used stream host info as response to the bytestream initiation
|
|
protocol.addResponse(streamHostUsedPacket, new Verification<Bytestream, Bytestream>() {
|
|
|
|
public void verify(Bytestream request, Bytestream response) {
|
|
assertEquals(response.getSessionID(), request.getSessionID());
|
|
assertEquals(1, request.getStreamHosts().size());
|
|
StreamHost streamHost = (StreamHost) request.getStreamHosts().toArray()[0];
|
|
assertEquals(response.getUsedHost().getJID(), streamHost.getJID());
|
|
}
|
|
|
|
}, Verification.correspondingSenderReceiver, Verification.requestTypeSET);
|
|
|
|
// build response to proxy activation
|
|
IQ activationResponse = Socks5PacketUtils.createActivationConfirmation(proxyJID,
|
|
initiatorJID);
|
|
|
|
// return proxy activation response if proxy should be activated
|
|
protocol.addResponse(activationResponse, new Verification<Bytestream, IQ>() {
|
|
|
|
public void verify(Bytestream request, IQ response) {
|
|
assertEquals(targetJID, request.getToActivate().getTarget());
|
|
}
|
|
|
|
}, Verification.correspondingSenderReceiver, Verification.requestTypeSET);
|
|
|
|
// start a local SOCKS5 proxy
|
|
Socks5TestProxy socks5Proxy = Socks5TestProxy.getProxy(7778);
|
|
socks5Proxy.start();
|
|
|
|
// create digest to get the socket opened by target
|
|
String digest = Socks5Utils.createDigest(sessionID, initiatorJID, targetJID);
|
|
|
|
// finally call the method that should be tested
|
|
OutputStream outputStream = byteStreamManager.establishSession(targetJID, sessionID).getOutputStream();
|
|
|
|
// test the established bytestream
|
|
InputStream inputStream = socks5Proxy.getSocket(digest).getInputStream();
|
|
|
|
byte[] data = new byte[] { 1, 2, 3 };
|
|
outputStream.write(data);
|
|
|
|
byte[] result = new byte[3];
|
|
inputStream.read(result);
|
|
|
|
assertArrayEquals(data, result);
|
|
|
|
protocol.verifyAll();
|
|
|
|
}
|
|
|
|
/**
|
|
* If multiple network addresses are added to the local SOCKS5 proxy, all of them should be
|
|
* contained in the SOCKS5 Bytestream request.
|
|
*
|
|
* @throws Exception should not happen
|
|
*/
|
|
@Test
|
|
public void shouldUseMultipleAddressesForLocalSocks5Proxy() throws Exception {
|
|
|
|
// enable clients local SOCKS5 proxy on port 7778
|
|
Socks5Proxy.setLocalSocks5ProxyEnabled(true);
|
|
Socks5Proxy.setLocalSocks5ProxyPort(7778);
|
|
|
|
// start a local SOCKS5 proxy
|
|
Socks5Proxy socks5Proxy = Socks5Proxy.getSocks5Proxy();
|
|
socks5Proxy.start();
|
|
assertTrue(socks5Proxy.isRunning());
|
|
|
|
// get Socks5ByteStreamManager for connection
|
|
Socks5BytestreamManager byteStreamManager = Socks5BytestreamManager.getBytestreamManager(connection);
|
|
|
|
/**
|
|
* create responses in the order they should be queried specified by the XEP-0065
|
|
* specification
|
|
*/
|
|
|
|
// build discover info that supports the SOCKS5 feature
|
|
DiscoverInfo discoverInfo = Socks5PacketUtils.createDiscoverInfo(targetJID, initiatorJID);
|
|
discoverInfo.addFeature(Bytestream.NAMESPACE);
|
|
|
|
// return that SOCKS5 is supported if target is queried
|
|
protocol.addResponse(discoverInfo, Verification.correspondingSenderReceiver,
|
|
Verification.requestTypeGET);
|
|
|
|
// build discover items containing no proxy item
|
|
DiscoverItems discoverItems = Socks5PacketUtils.createDiscoverItems(xmppServer,
|
|
initiatorJID);
|
|
|
|
// return the discover item if XMPP server is queried
|
|
protocol.addResponse(discoverItems, Verification.correspondingSenderReceiver,
|
|
Verification.requestTypeGET);
|
|
|
|
// build used stream host response
|
|
Bytestream streamHostUsedPacket = Socks5PacketUtils.createBytestreamResponse(targetJID,
|
|
initiatorJID);
|
|
streamHostUsedPacket.setSessionID(sessionID);
|
|
streamHostUsedPacket.setUsedHost(initiatorJID); // local proxy used
|
|
|
|
// return used stream host info as response to the bytestream initiation
|
|
protocol.addResponse(streamHostUsedPacket, new Verification<Bytestream, Bytestream>() {
|
|
|
|
public void verify(Bytestream request, Bytestream response) {
|
|
assertEquals(response.getSessionID(), request.getSessionID());
|
|
StreamHost streamHost1 = request.getStreamHosts().get(0);
|
|
assertEquals(response.getUsedHost().getJID(), streamHost1.getJID());
|
|
StreamHost streamHost2 = request.getStreamHosts().get(request.getStreamHosts().size() - 1);
|
|
assertEquals(response.getUsedHost().getJID(), streamHost2.getJID());
|
|
assertEquals("localAddress", streamHost2.getAddress());
|
|
}
|
|
|
|
}, Verification.correspondingSenderReceiver, Verification.requestTypeSET);
|
|
|
|
// create digest to get the socket opened by target
|
|
String digest = Socks5Utils.createDigest(sessionID, initiatorJID, targetJID);
|
|
|
|
// connect to proxy as target
|
|
socks5Proxy.addTransfer(digest);
|
|
StreamHost streamHost = new StreamHost(targetJID,
|
|
socks5Proxy.getLocalAddresses().get(0),
|
|
socks5Proxy.getPort());
|
|
Socks5Client socks5Client = new Socks5Client(streamHost, digest);
|
|
InputStream inputStream = socks5Client.getSocket(2000).getInputStream();
|
|
|
|
// add another network address before establishing SOCKS5 Bytestream
|
|
socks5Proxy.addLocalAddress("localAddress");
|
|
|
|
// finally call the method that should be tested
|
|
OutputStream outputStream = byteStreamManager.establishSession(targetJID, sessionID).getOutputStream();
|
|
|
|
// test the established bytestream
|
|
byte[] data = new byte[] { 1, 2, 3 };
|
|
outputStream.write(data);
|
|
|
|
byte[] result = new byte[3];
|
|
inputStream.read(result);
|
|
|
|
assertArrayEquals(data, result);
|
|
|
|
protocol.verifyAll();
|
|
|
|
// reset proxy settings
|
|
socks5Proxy.stop();
|
|
socks5Proxy.removeLocalAddress("localAddress");
|
|
Socks5Proxy.setLocalSocks5ProxyPort(7777);
|
|
|
|
}
|
|
|
|
/**
|
|
* Invoking {@link Socks5BytestreamManager#establishSession(org.jxmpp.jid.Jid, String)} the first time
|
|
* should successfully negotiate a SOCKS5 Bytestream via the second SOCKS5 proxy and should
|
|
* prioritize this proxy for a second SOCKS5 Bytestream negotiation.
|
|
*
|
|
* @throws Exception should not happen
|
|
*/
|
|
@Test
|
|
public void shouldPrioritizeSecondSocks5ProxyOnSecondAttempt() throws Exception {
|
|
|
|
// disable clients local SOCKS5 proxy
|
|
Socks5Proxy.setLocalSocks5ProxyEnabled(false);
|
|
|
|
// get Socks5ByteStreamManager for connection
|
|
Socks5BytestreamManager byteStreamManager = Socks5BytestreamManager.getBytestreamManager(connection);
|
|
|
|
assertTrue(byteStreamManager.isProxyPrioritizationEnabled());
|
|
|
|
Verification<Bytestream, Bytestream> streamHostUsedVerification1 = new Verification<Bytestream, Bytestream>() {
|
|
|
|
public void verify(Bytestream request, Bytestream response) {
|
|
assertEquals(response.getSessionID(), request.getSessionID());
|
|
assertEquals(2, request.getStreamHosts().size());
|
|
// verify that the used stream host is the second in list
|
|
StreamHost streamHost = (StreamHost) request.getStreamHosts().toArray()[1];
|
|
assertEquals(response.getUsedHost().getJID(), streamHost.getJID());
|
|
}
|
|
|
|
};
|
|
createResponses(streamHostUsedVerification1);
|
|
|
|
// start a local SOCKS5 proxy
|
|
Socks5TestProxy socks5Proxy = Socks5TestProxy.getProxy(7778);
|
|
socks5Proxy.start();
|
|
|
|
// create digest to get the socket opened by target
|
|
String digest = Socks5Utils.createDigest(sessionID, initiatorJID, targetJID);
|
|
|
|
// call the method that should be tested
|
|
OutputStream outputStream = byteStreamManager.establishSession(targetJID, sessionID).getOutputStream();
|
|
|
|
// test the established bytestream
|
|
InputStream inputStream = socks5Proxy.getSocket(digest).getInputStream();
|
|
|
|
byte[] data = new byte[] { 1, 2, 3 };
|
|
outputStream.write(data);
|
|
|
|
byte[] result = new byte[3];
|
|
inputStream.read(result);
|
|
|
|
assertArrayEquals(data, result);
|
|
|
|
protocol.verifyAll();
|
|
|
|
Verification<Bytestream, Bytestream> streamHostUsedVerification2 = new Verification<Bytestream, Bytestream>() {
|
|
|
|
public void verify(Bytestream request, Bytestream response) {
|
|
assertEquals(response.getSessionID(), request.getSessionID());
|
|
assertEquals(2, request.getStreamHosts().size());
|
|
// verify that the used stream host is the first in list
|
|
StreamHost streamHost = (StreamHost) request.getStreamHosts().toArray()[0];
|
|
assertEquals(response.getUsedHost().getJID(), streamHost.getJID());
|
|
}
|
|
|
|
};
|
|
createResponses(streamHostUsedVerification2);
|
|
|
|
// call the method that should be tested again
|
|
outputStream = byteStreamManager.establishSession(targetJID, sessionID).getOutputStream();
|
|
|
|
// test the established bytestream
|
|
inputStream = socks5Proxy.getSocket(digest).getInputStream();
|
|
|
|
outputStream.write(data);
|
|
|
|
inputStream.read(result);
|
|
|
|
assertArrayEquals(data, result);
|
|
|
|
protocol.verifyAll();
|
|
|
|
}
|
|
|
|
/**
|
|
* Invoking {@link Socks5BytestreamManager#establishSession(org.jxmpp.jid.Jid, String)} the first time
|
|
* should successfully negotiate a SOCKS5 Bytestream via the second SOCKS5 proxy. The second
|
|
* negotiation should run in the same manner if prioritization is disabled.
|
|
*
|
|
* @throws Exception should not happen
|
|
*/
|
|
@Test
|
|
public void shouldNotPrioritizeSocks5ProxyIfPrioritizationDisabled() throws Exception {
|
|
|
|
// disable clients local SOCKS5 proxy
|
|
Socks5Proxy.setLocalSocks5ProxyEnabled(false);
|
|
|
|
// get Socks5ByteStreamManager for connection
|
|
Socks5BytestreamManager byteStreamManager = Socks5BytestreamManager.getBytestreamManager(connection);
|
|
byteStreamManager.setProxyPrioritizationEnabled(false);
|
|
|
|
assertFalse(byteStreamManager.isProxyPrioritizationEnabled());
|
|
|
|
Verification<Bytestream, Bytestream> streamHostUsedVerification = new Verification<Bytestream, Bytestream>() {
|
|
|
|
public void verify(Bytestream request, Bytestream response) {
|
|
assertEquals(response.getSessionID(), request.getSessionID());
|
|
assertEquals(2, request.getStreamHosts().size());
|
|
// verify that the used stream host is the second in list
|
|
StreamHost streamHost = (StreamHost) request.getStreamHosts().toArray()[1];
|
|
assertEquals(response.getUsedHost().getJID(), streamHost.getJID());
|
|
}
|
|
|
|
};
|
|
createResponses(streamHostUsedVerification);
|
|
|
|
// start a local SOCKS5 proxy
|
|
Socks5TestProxy socks5Proxy = Socks5TestProxy.getProxy(7778);
|
|
socks5Proxy.start();
|
|
|
|
// create digest to get the socket opened by target
|
|
String digest = Socks5Utils.createDigest(sessionID, initiatorJID, targetJID);
|
|
|
|
// call the method that should be tested
|
|
OutputStream outputStream = byteStreamManager.establishSession(targetJID, sessionID).getOutputStream();
|
|
|
|
// test the established bytestream
|
|
InputStream inputStream = socks5Proxy.getSocket(digest).getInputStream();
|
|
|
|
byte[] data = new byte[] { 1, 2, 3 };
|
|
outputStream.write(data);
|
|
|
|
byte[] result = new byte[3];
|
|
inputStream.read(result);
|
|
|
|
assertArrayEquals(data, result);
|
|
|
|
protocol.verifyAll();
|
|
|
|
createResponses(streamHostUsedVerification);
|
|
|
|
// call the method that should be tested again
|
|
outputStream = byteStreamManager.establishSession(targetJID, sessionID).getOutputStream();
|
|
|
|
// test the established bytestream
|
|
inputStream = socks5Proxy.getSocket(digest).getInputStream();
|
|
|
|
outputStream.write(data);
|
|
|
|
inputStream.read(result);
|
|
|
|
assertArrayEquals(data, result);
|
|
|
|
protocol.verifyAll();
|
|
|
|
byteStreamManager.setProxyPrioritizationEnabled(true);
|
|
|
|
}
|
|
|
|
private void createResponses(Verification<Bytestream, Bytestream> streamHostUsedVerification) throws XmppStringprepException {
|
|
// build discover info that supports the SOCKS5 feature
|
|
DiscoverInfo discoverInfo = Socks5PacketUtils.createDiscoverInfo(targetJID, initiatorJID);
|
|
discoverInfo.addFeature(Bytestream.NAMESPACE);
|
|
|
|
// return that SOCKS5 is supported if target is queried
|
|
protocol.addResponse(discoverInfo, Verification.correspondingSenderReceiver,
|
|
Verification.requestTypeGET);
|
|
|
|
// build discover items containing a proxy item
|
|
DiscoverItems discoverItems = Socks5PacketUtils.createDiscoverItems(xmppServer,
|
|
initiatorJID);
|
|
discoverItems.addItem(new Item(JidCreate.from("proxy2.xmpp-server")));
|
|
discoverItems.addItem(new Item(proxyJID));
|
|
|
|
// return the proxy item if XMPP server is queried
|
|
protocol.addResponse(discoverItems, Verification.correspondingSenderReceiver,
|
|
Verification.requestTypeGET);
|
|
|
|
/*
|
|
* build discover info for proxy "proxy2.xmpp-server" containing information about being a
|
|
* SOCKS5 proxy
|
|
*/
|
|
DiscoverInfo proxyInfo1 = Socks5PacketUtils.createDiscoverInfo(JidCreate.from("proxy2.xmpp-server"),
|
|
initiatorJID);
|
|
Identity identity1 = new Identity("proxy", "proxy2.xmpp-server", "bytestreams");
|
|
proxyInfo1.addIdentity(identity1);
|
|
|
|
// return the SOCKS5 bytestream proxy identity if proxy is queried
|
|
protocol.addResponse(proxyInfo1, Verification.correspondingSenderReceiver,
|
|
Verification.requestTypeGET);
|
|
|
|
// build discover info for proxy containing information about being a SOCKS5 proxy
|
|
DiscoverInfo proxyInfo2 = Socks5PacketUtils.createDiscoverInfo(proxyJID, initiatorJID);
|
|
Identity identity2 = new Identity("proxy", proxyJID.toString(), "bytestreams");
|
|
proxyInfo2.addIdentity(identity2);
|
|
|
|
// return the SOCKS5 bytestream proxy identity if proxy is queried
|
|
protocol.addResponse(proxyInfo2, Verification.correspondingSenderReceiver,
|
|
Verification.requestTypeGET);
|
|
|
|
/*
|
|
* build a SOCKS5 stream host info for "proxy2.xmpp-server" containing the address and the
|
|
* port of the proxy
|
|
*/
|
|
Bytestream streamHostInfo1 = Socks5PacketUtils.createBytestreamResponse(
|
|
JidCreate.from("proxy2.xmpp-server"), initiatorJID);
|
|
streamHostInfo1.addStreamHost(JidCreate.from("proxy2.xmpp-server"), proxyAddress, 7778);
|
|
|
|
// return stream host info if it is queried
|
|
protocol.addResponse(streamHostInfo1, Verification.correspondingSenderReceiver,
|
|
Verification.requestTypeGET);
|
|
|
|
// build a SOCKS5 stream host info containing the address and the port of the proxy
|
|
Bytestream streamHostInfo2 = Socks5PacketUtils.createBytestreamResponse(proxyJID,
|
|
initiatorJID);
|
|
streamHostInfo2.addStreamHost(proxyJID, proxyAddress, 7778);
|
|
|
|
// return stream host info if it is queried
|
|
protocol.addResponse(streamHostInfo2, Verification.correspondingSenderReceiver,
|
|
Verification.requestTypeGET);
|
|
|
|
// build used stream host response
|
|
Bytestream streamHostUsedPacket = Socks5PacketUtils.createBytestreamResponse(targetJID,
|
|
initiatorJID);
|
|
streamHostUsedPacket.setSessionID(sessionID);
|
|
streamHostUsedPacket.setUsedHost(proxyJID);
|
|
|
|
// return used stream host info as response to the bytestream initiation
|
|
protocol.addResponse(streamHostUsedPacket, streamHostUsedVerification,
|
|
Verification.correspondingSenderReceiver, Verification.requestTypeSET);
|
|
|
|
// build response to proxy activation
|
|
IQ activationResponse = Socks5PacketUtils.createActivationConfirmation(proxyJID,
|
|
initiatorJID);
|
|
|
|
// return proxy activation response if proxy should be activated
|
|
protocol.addResponse(activationResponse, new Verification<Bytestream, IQ>() {
|
|
|
|
public void verify(Bytestream request, IQ response) {
|
|
assertEquals(targetJID, request.getToActivate().getTarget());
|
|
}
|
|
|
|
}, Verification.correspondingSenderReceiver, Verification.requestTypeSET);
|
|
|
|
}
|
|
|
|
/**
|
|
* Stop eventually started local SOCKS5 test proxy.
|
|
*/
|
|
@After
|
|
public void cleanUp() {
|
|
Socks5TestProxy.stopProxy();
|
|
Socks5Proxy.setLocalSocks5ProxyEnabled(true);
|
|
}
|
|
|
|
}
|