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Code Issues Releases Wiki Activity

Add SessionRenegotiationIntegrationTest

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vanitasvitae 2017-11-30 16:50:54 +01:00 committed by Paul Schaub
parent 36dae1ece4
commit 53b70da90e
1 changed files with 163 additions and 0 deletions
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smack-integration-test/src/main/java/org/jivesoftware/smackx/omemo/SessionRenegotiationIntegrationTest.java Normal file
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/**
*
* Copyright 2017 Paul Schaub
*
* 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.omemo;
import static org.junit.Assert.fail;
import java.util.concurrent.TimeoutException;
import org.jivesoftware.smack.SmackException;
import org.jivesoftware.smack.XMPPException;
import org.jivesoftware.smack.packet.Message;
import org.jivesoftware.smackx.omemo.internal.CipherAndAuthTag;
import org.jivesoftware.smackx.omemo.internal.OmemoMessageInformation;
import org.jivesoftware.smackx.omemo.listener.OmemoMessageListener;
import org.igniterealtime.smack.inttest.SmackIntegrationTest;
import org.igniterealtime.smack.inttest.SmackIntegrationTestEnvironment;
import org.igniterealtime.smack.inttest.TestNotPossibleException;
import org.igniterealtime.smack.inttest.util.ResultSyncPoint;
import org.igniterealtime.smack.inttest.util.SimpleResultSyncPoint;
public class SessionRenegotiationIntegrationTest extends AbstractTwoUsersOmemoIntegrationTest {
public SessionRenegotiationIntegrationTest(SmackIntegrationTestEnvironment environment)
throws XMPPException.XMPPErrorException, SmackException.NotConnectedException, InterruptedException,
SmackException.NoResponseException, TestNotPossibleException {
super(environment);
}
private static final String m1 = "P = NP is true for all N,P from the set of complex numbers, where P is equal to 0";
private final SimpleResultSyncPoint bsp1 = new SimpleResultSyncPoint();
private final OmemoMessageListener bml1 = new OmemoTestMessageListener(m1, bsp1);
private static final String m2 = "P = NP is also true for all N,P from the set of complex numbers, where N is equal to 1.";
private final ResultSyncPoint<Boolean, IllegalStateException> bsp2 = new ResultSyncPoint<>();
private final OmemoMessageListener bml2 = new OmemoMessageListener() {
@Override
public void onOmemoMessageReceived(String decryptedBody, Message encryptedMessage, Message wrappingMessage, OmemoMessageInformation omemoInformation) {
if (decryptedBody.equals(m2)) {
bsp2.signal(new IllegalStateException("Message MUST NOT be decryptable!"));
} else {
bsp2.signal(new IllegalStateException("OmemoMessageListener MUST NOT be called for this message."));
}
}
@Override
public void onOmemoKeyTransportReceived(CipherAndAuthTag cipherAndAuthTag, Message message, Message wrappingMessage, OmemoMessageInformation omemoInformation) {
}
};
private final SimpleResultSyncPoint asp2 = new SimpleResultSyncPoint();
private final OmemoMessageListener aml2 = new OmemoMessageListener() {
@Override
public void onOmemoMessageReceived(String decryptedBody, Message encryptedMessage, Message wrappingMessage, OmemoMessageInformation omemoInformation) {
}
@Override
public void onOmemoKeyTransportReceived(CipherAndAuthTag cipherAndAuthTag, Message message, Message wrappingMessage, OmemoMessageInformation omemoInformation) {
asp2.signal();
}
};
private static final String m3 = "P = NP would be a disaster for the world of cryptography.";
private final SimpleResultSyncPoint bsp3 = new SimpleResultSyncPoint();
private final OmemoMessageListener bml3 = new OmemoTestMessageListener(m3, bsp3);
@SmackIntegrationTest
public void sessionRenegotiationTest() throws Exception {
/*
Send (PreKey-)message from Alice to Bob to initiate a session.
*/
Message e1 = alice.encrypt(bob.getOwnJid(), m1);
e1.setTo(bob.getOwnJid());
bob.addOmemoMessageListener(bml1);
alice.getConnection().sendStanza(e1);
bsp1.waitForResult(10 * 1000);
bob.removeOmemoMessageListener(bml1);
/*
Delete the session records on Bobs side to render the session invalid.
*/
bob.getOmemoService().getOmemoStoreBackend().removeRawSession(bob.getOwnDevice(), alice.getOwnDevice());
/*
Send normal message from Alice to Bob (Alice assumes, that Bob still has a valid session).
*/
Message e2 = alice.encrypt(bob.getOwnJid(), m2);
e2.setTo(bob.getOwnJid());
bob.addOmemoMessageListener(bml2);
alice.addOmemoMessageListener(aml2);
alice.getConnection().sendStanza(e2);
/*
Wait for the timeout on Bobs side, since message decryption will fail now.
Bob will respond with an empty PreKeyMessage though, in order to repair the session.
*/
try {
bsp2.waitForResult(10 * 1000);
fail("This MUST throw a TimeoutException.");
} catch (IllegalStateException e) {
fail(e.getMessage());
} catch (TimeoutException e) {
// Expected.
}
asp2.waitForResult(10 * 1000);
bob.removeOmemoMessageListener(bml2);
alice.removeOmemoMessageListener(aml2);
/*
Since Bob responded with a PreKeyMessage to repair the broken session, Alice should now be able to send messages
which Bob can decrypt successfully again.
*/
Message e3 = alice.encrypt(bob.getOwnJid(), m3);
e3.setTo(bob.getOwnJid());
bob.addOmemoMessageListener(bml3);
alice.getConnection().sendStanza(e3);
bsp3.waitForResult(10 * 1000);
bob.removeOmemoMessageListener(bml3);
}
private static class OmemoTestMessageListener implements OmemoMessageListener {
private final String expectedMessage;
private final SimpleResultSyncPoint syncPoint;
OmemoTestMessageListener(String expectedMessage, SimpleResultSyncPoint syncPoint) {
this.expectedMessage = expectedMessage;
this.syncPoint = syncPoint;
}
@Override
public void onOmemoMessageReceived(String decryptedBody, Message encryptedMessage, Message wrappingMessage, OmemoMessageInformation omemoInformation) {
if (decryptedBody.equals(expectedMessage)) {
syncPoint.signal();
} else {
syncPoint.signalFailure("Received decrypted message was not equal to sent message.");
}
}
@Override
public void onOmemoKeyTransportReceived(CipherAndAuthTag cipherAndAuthTag, Message message, Message wrappingMessage, OmemoMessageInformation omemoInformation) {
// Ignored.
}
}
}