/**
* All rights reserved. Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.jivesoftware.smackx.bytestreams.socks5;
import static org.junit.Assert.*;
import static org.mockito.Mockito.*;
import org.jivesoftware.smack.Connection;
import org.jivesoftware.smack.packet.IQ;
import org.jivesoftware.smack.packet.XMPPError;
import org.jivesoftware.smackx.ServiceDiscoveryManager;
import org.jivesoftware.smackx.bytestreams.BytestreamRequest;
import org.jivesoftware.smackx.bytestreams.socks5.InitiationListener;
import org.jivesoftware.smackx.bytestreams.socks5.Socks5BytestreamListener;
import org.jivesoftware.smackx.bytestreams.socks5.Socks5BytestreamManager;
import org.jivesoftware.smackx.bytestreams.socks5.packet.Bytestream;
import org.junit.Before;
import org.junit.Test;
import org.mockito.ArgumentCaptor;
import org.powermock.reflect.Whitebox;
/**
* Test for the InitiationListener class.
*
* @author Henning Staib
*/
public class InitiationListenerTest {
String initiatorJID = "initiator@xmpp-server/Smack";
String targetJID = "target@xmpp-server/Smack";
String xmppServer = "xmpp-server";
String proxyJID = "proxy.xmpp-server";
String proxyAddress = "127.0.0.1";
String sessionID = "session_id";
Connection connection;
Socks5BytestreamManager byteStreamManager;
InitiationListener initiationListener;
Bytestream initBytestream;
/**
* Initialize fields used in the tests.
*/
@Before
public void setup() {
// mock connection
connection = mock(Connection.class);
// create service discovery manager for mocked connection
new ServiceDiscoveryManager(connection);
// initialize Socks5ByteStreamManager to get the InitiationListener
byteStreamManager = Socks5BytestreamManager.getBytestreamManager(connection);
// get the InitiationListener from Socks5ByteStreamManager
initiationListener = Whitebox.getInternalState(byteStreamManager, InitiationListener.class);
// create a SOCKS5 Bytestream initiation packet
initBytestream = Socks5PacketUtils.createBytestreamInitiation(initiatorJID, targetJID,
sessionID);
initBytestream.addStreamHost(proxyJID, proxyAddress, 7777);
}
/**
* If no listeners are registered for incoming SOCKS5 Bytestream requests, all request should be
* rejected with an error.
*
* @throws Exception should not happen
*/
@Test
public void shouldRespondWithError() throws Exception {
// run the listener with the initiation packet
initiationListener.processPacket(initBytestream);
// wait because packet is processed in an extra thread
Thread.sleep(200);
// capture reply to the SOCKS5 Bytestream initiation
ArgumentCaptor<IQ> argument = ArgumentCaptor.forClass(IQ.class);
verify(connection).sendPacket(argument.capture());
// assert that reply is the correct error packet
assertEquals(initiatorJID, argument.getValue().getTo());
assertEquals(IQ.Type.ERROR, argument.getValue().getType());
assertEquals(XMPPError.Condition.no_acceptable.toString(),
argument.getValue().getError().getCondition());
}
/**
* If a listener for all requests is registered it should be notified on incoming requests.
*
* @throws Exception should not happen
*/
@Test
public void shouldInvokeListenerForAllRequests() throws Exception {
// add listener
Socks5BytestreamListener listener = mock(Socks5BytestreamListener.class);
byteStreamManager.addIncomingBytestreamListener(listener);
// run the listener with the initiation packet
initiationListener.processPacket(initBytestream);
// wait because packet is processed in an extra thread
Thread.sleep(200);
// assert listener is called once
ArgumentCaptor<BytestreamRequest> byteStreamRequest = ArgumentCaptor.forClass(BytestreamRequest.class);
verify(listener).incomingBytestreamRequest(byteStreamRequest.capture());
// assert that listener is called for the correct request
assertEquals(initiatorJID, byteStreamRequest.getValue().getFrom());
}
/**
* If a listener for a specific user in registered it should be notified on incoming requests
* for that user.
*
* @throws Exception should not happen
*/
@Test
public void shouldInvokeListenerForUser() throws Exception {
// add listener
Socks5BytestreamListener listener = mock(Socks5BytestreamListener.class);
byteStreamManager.addIncomingBytestreamListener(listener, initiatorJID);
// run the listener with the initiation packet
initiationListener.processPacket(initBytestream);
// wait because packet is processed in an extra thread
Thread.sleep(200);
// assert listener is called once
ArgumentCaptor<BytestreamRequest> byteStreamRequest = ArgumentCaptor.forClass(BytestreamRequest.class);
verify(listener).incomingBytestreamRequest(byteStreamRequest.capture());
// assert that reply is the correct error packet
assertEquals(initiatorJID, byteStreamRequest.getValue().getFrom());
}
/**
* If listener for a specific user is registered it should not be notified on incoming requests
* from other users.
*
* @throws Exception should not happen
*/
@Test
public void shouldNotInvokeListenerForUser() throws Exception {
// add listener for request of user "other_initiator"
Socks5BytestreamListener listener = mock(Socks5BytestreamListener.class);
byteStreamManager.addIncomingBytestreamListener(listener, "other_" + initiatorJID);
// run the listener with the initiation packet
initiationListener.processPacket(initBytestream);
// wait because packet is processed in an extra thread
Thread.sleep(200);
// assert listener is not called
ArgumentCaptor<BytestreamRequest> byteStreamRequest = ArgumentCaptor.forClass(BytestreamRequest.class);
verify(listener, never()).incomingBytestreamRequest(byteStreamRequest.capture());
// capture reply to the SOCKS5 Bytestream initiation
ArgumentCaptor<IQ> argument = ArgumentCaptor.forClass(IQ.class);
verify(connection).sendPacket(argument.capture());
// assert that reply is the correct error packet
assertEquals(initiatorJID, argument.getValue().getTo());
assertEquals(IQ.Type.ERROR, argument.getValue().getType());
assertEquals(XMPPError.Condition.no_acceptable.toString(),
argument.getValue().getError().getCondition());
}
/**
* If a user specific listener and an all requests listener is registered only the user specific
* listener should be notified.
*
* @throws Exception should not happen
*/
@Test
public void shouldNotInvokeAllRequestsListenerIfUserListenerExists() throws Exception {
// add listener for all request
Socks5BytestreamListener allRequestsListener = mock(Socks5BytestreamListener.class);
byteStreamManager.addIncomingBytestreamListener(allRequestsListener);
// add listener for request of user "initiator"
Socks5BytestreamListener userRequestsListener = mock(Socks5BytestreamListener.class);
byteStreamManager.addIncomingBytestreamListener(userRequestsListener, initiatorJID);
// run the listener with the initiation packet
initiationListener.processPacket(initBytestream);
// wait because packet is processed in an extra thread
Thread.sleep(200);
// assert user request listener is called once
ArgumentCaptor<BytestreamRequest> byteStreamRequest = ArgumentCaptor.forClass(BytestreamRequest.class);
verify(userRequestsListener).incomingBytestreamRequest(byteStreamRequest.capture());
// assert all requests listener is not called
byteStreamRequest = ArgumentCaptor.forClass(BytestreamRequest.class);
verify(allRequestsListener, never()).incomingBytestreamRequest(byteStreamRequest.capture());
}
/**
* If a user specific listener and an all requests listener is registered only the all requests
* listener should be notified on an incoming request for another user.
*
* @throws Exception should not happen
*/
@Test
public void shouldInvokeAllRequestsListenerIfUserListenerExists() throws Exception {
// add listener for all request
Socks5BytestreamListener allRequestsListener = mock(Socks5BytestreamListener.class);
byteStreamManager.addIncomingBytestreamListener(allRequestsListener);
// add listener for request of user "other_initiator"
Socks5BytestreamListener userRequestsListener = mock(Socks5BytestreamListener.class);
byteStreamManager.addIncomingBytestreamListener(userRequestsListener, "other_"
+ initiatorJID);
// run the listener with the initiation packet
initiationListener.processPacket(initBytestream);
// wait because packet is processed in an extra thread
Thread.sleep(200);
// assert user request listener is not called
ArgumentCaptor<BytestreamRequest> byteStreamRequest = ArgumentCaptor.forClass(BytestreamRequest.class);
verify(userRequestsListener, never()).incomingBytestreamRequest(byteStreamRequest.capture());
// assert all requests listener is called
byteStreamRequest = ArgumentCaptor.forClass(BytestreamRequest.class);
verify(allRequestsListener).incomingBytestreamRequest(byteStreamRequest.capture());
}
/**
* If a request with a specific session ID should be ignored no listeners should be notified.
*
* @throws Exception should not happen
*/
@Test
public void shouldIgnoreSocks5BytestreamRequestOnce() throws Exception {
// add listener for all request
Socks5BytestreamListener allRequestsListener = mock(Socks5BytestreamListener.class);
byteStreamManager.addIncomingBytestreamListener(allRequestsListener);
// add listener for request of user "initiator"
Socks5BytestreamListener userRequestsListener = mock(Socks5BytestreamListener.class);
byteStreamManager.addIncomingBytestreamListener(userRequestsListener, initiatorJID);
// ignore session ID
byteStreamManager.ignoreBytestreamRequestOnce(sessionID);
// run the listener with the initiation packet
initiationListener.processPacket(initBytestream);
// wait because packet is processed in an extra thread
Thread.sleep(200);
// assert user request listener is not called
ArgumentCaptor<BytestreamRequest> byteStreamRequest = ArgumentCaptor.forClass(BytestreamRequest.class);
verify(userRequestsListener, never()).incomingBytestreamRequest(byteStreamRequest.capture());
// assert all requests listener is not called
byteStreamRequest = ArgumentCaptor.forClass(BytestreamRequest.class);
verify(allRequestsListener, never()).incomingBytestreamRequest(byteStreamRequest.capture());
// run the listener with the initiation packet again
initiationListener.processPacket(initBytestream);
// wait because packet is processed in an extra thread
Thread.sleep(200);
// assert user request listener is called on the second request with the same session ID
verify(userRequestsListener).incomingBytestreamRequest(byteStreamRequest.capture());
// assert all requests listener is not called
byteStreamRequest = ArgumentCaptor.forClass(BytestreamRequest.class);
verify(allRequestsListener, never()).incomingBytestreamRequest(byteStreamRequest.capture());
}
}