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package org.matrix.olm;
import android.support.test.runner.AndroidJUnit4;
import android.util.Log;
import org.json.JSONException;
import org.json.JSONObject;
import org.junit.BeforeClass;
import org.junit.FixMethodOrder;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.junit.runners.MethodSorters;
import java.util.Iterator;
import static org.junit.Assert.assertNotNull;
import static org.junit.Assert.assertTrue;
@RunWith(AndroidJUnit4.class)
@FixMethodOrder(MethodSorters.NAME_ASCENDING)
public class OlmSessionTest {
private static final String LOG_TAG = "OlmSessionTest";
private static OlmManager mOlmManager;
@BeforeClass
public static void setUpClass(){
// load native lib
mOlmManager = new OlmManager();
String version = mOlmManager.getOlmLibVersion();
assertNotNull(version);
Log.d(LOG_TAG, "## setUpClass(): lib version="+version);
}
/**
* Basic test:
* - alice creates an account
* - bob creates an account
* - alice creates an outbound session with bob (bobIdentityKey & bobOneTimeKey)
* - alice encrypts a message with its session
* - bob creates an inbound session based on alice's encrypted message
* - bob decrypts the encrypted message with its session
*/
@Test
public void test01AliceToBob() {
final int ONE_TIME_KEYS_NUMBER = 5;
String bobIdentityKey = null;
String bobOneTimeKey=null;
// creates alice & bob accounts
OlmAccount aliceAccount = new OlmAccount();
OlmAccount bobAccount = new OlmAccount();
// test accounts creation
assertTrue(0!=bobAccount.getOlmAccountId());
assertTrue(0!=aliceAccount.getOlmAccountId());
// get bob identity key
JSONObject bobIdentityKeysJson = bobAccount.identityKeys();
assertNotNull(bobIdentityKeysJson);
try {
bobIdentityKey = bobIdentityKeysJson.getString(OlmAccount.JSON_KEY_IDENTITY_KEY);
assertTrue(null!=bobIdentityKey);
} catch (JSONException e) {
assertTrue("Exception MSg="+e.getMessage(), false);
}
// get bob one time keys
assertTrue(0==bobAccount.generateOneTimeKeys(ONE_TIME_KEYS_NUMBER));
JSONObject bobOneTimeKeysJsonObj = bobAccount.oneTimeKeys();
assertNotNull(bobOneTimeKeysJsonObj);
try {
JSONObject generatedKeys = bobOneTimeKeysJsonObj.getJSONObject(OlmAccount.JSON_KEY_ONE_TIME_KEY);
assertNotNull(OlmAccount.JSON_KEY_ONE_TIME_KEY +" object is missing", generatedKeys);
Iterator<String> generatedKeysIt = generatedKeys.keys();
if(generatedKeysIt.hasNext()) {
bobOneTimeKey = generatedKeys.getString(generatedKeysIt.next());
}
assertNotNull(bobOneTimeKey);
} catch (JSONException e) {
assertTrue("Exception MSg="+e.getMessage(), false);
}
// CREATE ALICE SESSION
OlmSession aliceSession = new OlmSession();
assertTrue(0!=aliceSession.getOlmSessionId());
// CREATE ALICE OUTBOUND SESSION and encrypt message to bob
assertNotNull(aliceSession.initOutboundSessionWithAccount(aliceAccount, bobIdentityKey, bobOneTimeKey));
String clearMsg = "Heloo bob , this is alice!";
OlmMessage encryptedMsgToBob = aliceSession.encryptMessage(clearMsg);
assertNotNull(encryptedMsgToBob);
Log.d(LOG_TAG,"## test01AliceToBob(): encryptedMsg="+encryptedMsgToBob.mCipherText);
// CREATE BOB INBOUND SESSION and decrypt message from alice
OlmSession bobSession = new OlmSession();
assertTrue(0!=bobSession.getOlmSessionId());
assertNotNull(bobSession.initInboundSessionWithAccount(bobAccount, encryptedMsgToBob.mCipherText));
String decryptedMsg = bobSession.decryptMessage(encryptedMsgToBob);
assertNotNull(decryptedMsg);
// MESSAGE COMPARISON: decrypted vs encrypted
assertTrue(clearMsg.equals(decryptedMsg));
// clean objects..
assertTrue(0==bobAccount.removeOneTimeKeysForSession(bobSession));
// release accounts
bobAccount.releaseAccount();
aliceAccount.releaseAccount();
// release sessions
bobSession.releaseSession();
aliceSession.releaseSession();
}
/**
* Same as test01AliceToBob but with bob who's encrypting messages
* to alice and alice decrypt them.<br>
* - alice creates an account
* - bob creates an account
* - alice creates an outbound session with bob (bobIdentityKey & bobOneTimeKey)
* - alice encrypts a message with its own session
* - bob creates an inbound session based on alice's encrypted message
* - bob decrypts the encrypted message with its own session
* - bob encrypts messages with its own session
* - alice decrypts bob's messages with its own message
*/
@Test
public void test02AliceToBobBackAndForth() {
final int ONE_TIME_KEYS_NUMBER = 1;
String bobIdentityKey = null;
String bobOneTimeKey=null;
// creates alice & bob accounts
OlmAccount aliceAccount = new OlmAccount();
OlmAccount bobAccount = new OlmAccount();
// test accounts creation
assertTrue(0!=bobAccount.getOlmAccountId());
assertTrue(0!=aliceAccount.getOlmAccountId());
// get bob identity key
JSONObject bobIdentityKeysJson = bobAccount.identityKeys();
assertNotNull(bobIdentityKeysJson);
try {
bobIdentityKey = bobIdentityKeysJson.getString(OlmAccount.JSON_KEY_IDENTITY_KEY);
assertTrue(null!=bobIdentityKey);
} catch (JSONException e) {
assertTrue("Exception MSg="+e.getMessage(), false);
}
// get bob one time keys
assertTrue(0==bobAccount.generateOneTimeKeys(ONE_TIME_KEYS_NUMBER));
JSONObject bobOneTimeKeysJsonObj = bobAccount.oneTimeKeys();
assertNotNull(bobOneTimeKeysJsonObj);
try {
JSONObject generatedKeys = bobOneTimeKeysJsonObj.getJSONObject(OlmAccount.JSON_KEY_ONE_TIME_KEY);
assertNotNull(OlmAccount.JSON_KEY_ONE_TIME_KEY +" object is missing", generatedKeys);
Iterator<String> generatedKeysIt = generatedKeys.keys();
if(generatedKeysIt.hasNext()) {
bobOneTimeKey = generatedKeys.getString(generatedKeysIt.next());
}
assertNotNull(bobOneTimeKey);
} catch (JSONException e) {
assertTrue("Exception MSg="+e.getMessage(), false);
}
// CREATE ALICE SESSION
OlmSession aliceSession = new OlmSession();
assertTrue(0!=aliceSession.getOlmSessionId());
// CREATE ALICE OUTBOUND SESSION and encrypt message to bob
assertNotNull(aliceSession.initOutboundSessionWithAccount(aliceAccount, bobIdentityKey, bobOneTimeKey));
String helloClearMsg = "Hello I'm Alice!";
OlmMessage encryptedAliceToBobMsg1 = aliceSession.encryptMessage(helloClearMsg);
assertNotNull(encryptedAliceToBobMsg1);
// CREATE BOB INBOUND SESSION and decrypt message from alice
OlmSession bobSession = new OlmSession();
assertTrue(0!=bobSession.getOlmSessionId());
assertNotNull(bobSession.initInboundSessionWithAccount(bobAccount, encryptedAliceToBobMsg1.mCipherText));
// DECRYPT MESSAGE FROM ALICE
String decryptedMsg01 = bobSession.decryptMessage(encryptedAliceToBobMsg1);
assertNotNull(decryptedMsg01);
// MESSAGE COMPARISON: decrypted vs encrypted
assertTrue(helloClearMsg.equals(decryptedMsg01));
assertTrue(0==bobAccount.removeOneTimeKeysForSession(bobSession));
// BACK/FORTH MESSAGE COMPARISON
String clearMsg1 = "Hello I'm Bob!";
String clearMsg2 = "Isn't life grand?";
String clearMsg3 = "Let's go to the opera.";
OlmMessage encryptedMsg1 = bobSession.encryptMessage(clearMsg1);
assertNotNull(encryptedMsg1);
OlmMessage encryptedMsg2 = bobSession.encryptMessage(clearMsg2);
assertNotNull(encryptedMsg2);
OlmMessage encryptedMsg3 = bobSession.encryptMessage(clearMsg3);
assertNotNull(encryptedMsg3);
String decryptedMsg1 = aliceSession.decryptMessage(encryptedMsg1);
assertNotNull(decryptedMsg1);
String decryptedMsg2 = aliceSession.decryptMessage(encryptedMsg2);
assertNotNull(decryptedMsg2);
String decryptedMsg3 = aliceSession.decryptMessage(encryptedMsg3);
assertNotNull(decryptedMsg3);
assertTrue(clearMsg1.equals(decryptedMsg1));
assertTrue(clearMsg2.equals(decryptedMsg2));
assertTrue(clearMsg3.equals(decryptedMsg3));
// clean objects..
bobAccount.releaseAccount();
aliceAccount.releaseAccount();
bobSession.releaseSession();
aliceSession.releaseSession();
}
@Test
public void test03AliceBobSessionId() {
// creates alice & bob accounts
OlmAccount aliceAccount = new OlmAccount();
OlmAccount bobAccount = new OlmAccount();
// test accounts creation
assertTrue(0!=bobAccount.getOlmAccountId());
assertTrue(0!=aliceAccount.getOlmAccountId());
// CREATE ALICE SESSION
OlmSession aliceSession = new OlmSession();
assertTrue(0!=aliceSession.getOlmSessionId());
// CREATE BOB INBOUND SESSION and decrypt message from alice
OlmSession bobSession = new OlmSession();
assertTrue(0!=bobSession.getOlmSessionId());
String aliceSessionId = aliceSession.sessionIdentifier();
assertNotNull(aliceSessionId);
String bobSessionId = bobSession.sessionIdentifier();
assertNotNull(bobSessionId);
// must be the same for both ends of the conversation
assertTrue(aliceSessionId.equals(bobSessionId));
}
}
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