omemo_dart/test/omemo_test.dart

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import 'dart:convert';
import 'package:collection/collection.dart';
import 'package:logging/logging.dart';
import 'package:omemo_dart/omemo_dart.dart';
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import 'package:omemo_dart/src/protobuf/schema.pb.dart';
import 'package:omemo_dart/src/trust/always.dart';
import 'package:test/test.dart';
extension BytesToBase64 on List<int> {
String toBase64() => base64Encode(this);
}
class TestingTrustManager extends AlwaysTrustingTrustManager {
final Map<String, int> devices = {};
@override
Future<void> onNewSession(String jid, int deviceId) async {
devices[jid] = deviceId;
}
}
void main() {
Logger.root
..level = Level.ALL
..onRecord.listen((record) {
// ignore: avoid_print
print('${record.level.name}: ${record.message}');
});
test('Test sending a message without the device list cache', () async {
const aliceJid = 'alice@server1';
const bobJid = 'bob@server2';
var aliceEmptyMessageSent = 0;
var bobEmptyMessageSent = 0;
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final aliceDevice =
await OmemoDevice.generateNewDevice(aliceJid, opkAmount: 1);
final bobDevice = await OmemoDevice.generateNewDevice(bobJid, opkAmount: 1);
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final aliceManager = OmemoManager(
aliceDevice,
AlwaysTrustingTrustManager(),
(result, recipientJid) async {
aliceEmptyMessageSent++;
},
(jid) async {
expect(jid, bobJid);
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return [bobDevice.id];
},
(jid, id) async {
expect(jid, bobJid);
return bobDevice.toBundle();
},
(jid) async {},
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(_) async {},
);
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final bobManager = OmemoManager(
bobDevice,
AlwaysTrustingTrustManager(),
(result, recipientJid) async {
bobEmptyMessageSent++;
},
(jid) async {
expect(jid, aliceJid);
return [aliceDevice.id];
},
(jid, id) async {
expect(jid, aliceJid);
return aliceDevice.toBundle();
},
(jid) async {},
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(_) async {},
);
// Alice sends a message
final aliceResult = await aliceManager.onOutgoingStanza(
const OmemoOutgoingStanza(
[bobJid],
'Hello world',
),
);
// Bob must be able to decrypt the message
final bobResult = await bobManager.onIncomingStanza(
OmemoIncomingStanza(
aliceJid,
aliceDevice.id,
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aliceResult.encryptedKeys[bobJid]!,
base64.encode(aliceResult.ciphertext!),
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false,
),
);
expect(bobResult.payload, 'Hello world');
expect(bobResult.error, null);
expect(aliceEmptyMessageSent, 0);
expect(bobEmptyMessageSent, 1);
// Alice receives the ack message
await aliceManager.ratchetAcknowledged(
bobJid,
bobDevice.id,
);
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// Bob now responds
final bobResult2 = await bobManager.onOutgoingStanza(
const OmemoOutgoingStanza(
[aliceJid],
'Hello world, Alice',
),
);
final aliceResult2 = await aliceManager.onIncomingStanza(
OmemoIncomingStanza(
bobJid,
bobDevice.id,
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bobResult2.encryptedKeys[aliceJid]!,
base64.encode(bobResult2.ciphertext!),
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false,
),
);
expect(aliceResult2.error, null);
expect(aliceEmptyMessageSent, 0);
expect(bobEmptyMessageSent, 1);
expect(aliceResult2.payload, 'Hello world, Alice');
});
test('Test triggering the heartbeat', () async {
const aliceJid = 'alice@server1';
const bobJid = 'bob@server2';
var aliceEmptyMessageSent = 0;
var bobEmptyMessageSent = 0;
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final aliceDevice =
await OmemoDevice.generateNewDevice(aliceJid, opkAmount: 1);
final bobDevice = await OmemoDevice.generateNewDevice(bobJid, opkAmount: 1);
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EncryptionResult? bobEmptyMessage;
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final aliceManager = OmemoManager(
aliceDevice,
AlwaysTrustingTrustManager(),
(result, recipientJid) async {
aliceEmptyMessageSent++;
},
(jid) async {
expect(jid, bobJid);
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return [bobDevice.id];
},
(jid, id) async {
expect(jid, bobJid);
return bobDevice.toBundle();
},
(jid) async {},
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(_) async {},
);
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final bobManager = OmemoManager(
bobDevice,
AlwaysTrustingTrustManager(),
(result, recipientJid) async {
bobEmptyMessageSent++;
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bobEmptyMessage = result;
},
(jid) async {
expect(jid, aliceJid);
return [aliceDevice.id];
},
(jid, id) async {
expect(jid, aliceJid);
return aliceDevice.toBundle();
},
(jid) async {},
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(_) async {},
);
// Alice sends a message
final aliceResult = await aliceManager.onOutgoingStanza(
const OmemoOutgoingStanza(
[bobJid],
'Hello world',
),
);
// Bob must be able to decrypt the message
final bobResult = await bobManager.onIncomingStanza(
OmemoIncomingStanza(
aliceJid,
aliceDevice.id,
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aliceResult.encryptedKeys[bobJid]!,
base64.encode(aliceResult.ciphertext!),
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false,
),
);
expect(aliceEmptyMessageSent, 0);
expect(bobEmptyMessageSent, 1);
expect(bobResult.payload, 'Hello world');
// Bob acknowledges the message
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await aliceManager.onIncomingStanza(
OmemoIncomingStanza(
bobJid,
bobDevice.id,
bobEmptyMessage!.encryptedKeys[aliceJid]!,
null,
false,
),
);
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// Alice now sends 52 messages that Bob decrypts
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for (var i = 0; i < 52; i++) {
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Logger.root.finest('${i + 1}/52');
final aliceResultLoop = await aliceManager.onOutgoingStanza(
OmemoOutgoingStanza(
[bobJid],
'Test message $i',
),
);
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expect(aliceResultLoop.encryptedKeys[bobJid]!.first.kex, isFalse);
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final bobResultLoop = await bobManager.onIncomingStanza(
OmemoIncomingStanza(
aliceJid,
aliceDevice.id,
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aliceResultLoop.encryptedKeys[bobJid]!,
base64.encode(aliceResultLoop.ciphertext!),
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false,
),
);
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expect(bobResultLoop.error, null);
expect(aliceEmptyMessageSent, 0);
expect(bobEmptyMessageSent, 1);
expect(bobResultLoop.payload, 'Test message $i');
}
// Alice sends a final message that triggers a heartbeat
final aliceResultFinal = await aliceManager.onOutgoingStanza(
const OmemoOutgoingStanza(
[bobJid],
'Test message last',
),
);
final bobResultFinal = await bobManager.onIncomingStanza(
OmemoIncomingStanza(
aliceJid,
aliceDevice.id,
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aliceResultFinal.encryptedKeys[bobJid]!,
base64.encode(aliceResultFinal.ciphertext!),
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false,
),
);
expect(aliceEmptyMessageSent, 0);
expect(bobEmptyMessageSent, 2);
expect(bobResultFinal.payload, 'Test message last');
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// Alice receives it and sends another message
final aliceResultPostFinal = await aliceManager.onIncomingStanza(
OmemoIncomingStanza(
bobJid,
bobDevice.id,
bobEmptyMessage!.encryptedKeys[aliceJid]!,
null,
false,
),
);
expect(aliceResultPostFinal.error, null);
final aliceMessagePostFinal = await aliceManager.onOutgoingStanza(
const OmemoOutgoingStanza(
[bobJid],
"I'm not done yet!",
),
);
// And Bob decrypts it
final bobResultPostFinal = await bobManager.onIncomingStanza(
OmemoIncomingStanza(
aliceJid,
aliceDevice.id,
aliceMessagePostFinal.encryptedKeys[bobJid]!,
base64Encode(aliceMessagePostFinal.ciphertext!),
false,
),
);
expect(bobResultPostFinal.error, null);
expect(bobResultPostFinal.payload, "I'm not done yet!");
expect(aliceEmptyMessageSent, 0);
expect(bobEmptyMessageSent, 2);
});
test('Test accessing data without it existing', () async {
const aliceJid = 'alice@server1';
const bobJid = 'bob@server2';
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final aliceDevice =
await OmemoDevice.generateNewDevice(aliceJid, opkAmount: 1);
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final aliceManager = OmemoManager(
aliceDevice,
AlwaysTrustingTrustManager(),
(result, recipientJid) async {},
(jid) async => [],
(jid, id) async => null,
(jid) async {},
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(_) async {},
);
// Get non-existant fingerprints
expect(
await aliceManager.getFingerprintsForJid(bobJid),
null,
);
// Ack a non-existant ratchet
await aliceManager.ratchetAcknowledged(
bobJid,
42,
);
});
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test('Test receiving a message encrypted for another device', () async {
const aliceJid = 'alice@server1';
const bobJid = 'bob@server2';
var oldDevice = true;
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final aliceDevice =
await OmemoDevice.generateNewDevice(aliceJid, opkAmount: 1);
final bobOldDevice =
await OmemoDevice.generateNewDevice(bobJid, opkAmount: 1);
final bobCurrentDevice =
await OmemoDevice.generateNewDevice(bobJid, opkAmount: 1);
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final aliceManager = OmemoManager(
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aliceDevice,
AlwaysTrustingTrustManager(),
(result, recipientJid) async {},
(jid) async {
expect(jid, bobJid);
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return oldDevice ? [bobOldDevice.id] : [bobCurrentDevice.id];
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},
(jid, id) async {
expect(jid, bobJid);
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return oldDevice
? bobOldDevice.toBundle()
: bobCurrentDevice.toBundle();
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},
(jid) async {},
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(_) async {},
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);
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final bobManager = OmemoManager(
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bobCurrentDevice,
AlwaysTrustingTrustManager(),
(result, recipientJid) async {},
(jid) async => [],
(jid, id) async => null,
(jid) async {},
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(_) async {},
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);
// Alice encrypts a message to Bob
final aliceResult1 = await aliceManager.onOutgoingStanza(
const OmemoOutgoingStanza(
[bobJid],
'Hello Bob',
),
);
// Bob's current device receives it
final bobResult1 = await bobManager.onIncomingStanza(
OmemoIncomingStanza(
aliceJid,
aliceDevice.id,
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aliceResult1.encryptedKeys[bobJid]!,
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base64.encode(aliceResult1.ciphertext!),
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false,
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),
);
expect(bobResult1.payload, null);
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expect(bobResult1.error, const TypeMatcher<NotEncryptedForDeviceError>());
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// Now Alice's client loses and regains the connection
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await aliceManager.onNewConnection();
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oldDevice = false;
// And Alice sends a new message
final aliceResult2 = await aliceManager.onOutgoingStanza(
const OmemoOutgoingStanza(
[bobJid],
'Hello Bob x2',
),
);
final bobResult2 = await bobManager.onIncomingStanza(
OmemoIncomingStanza(
aliceJid,
aliceDevice.id,
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aliceResult2.encryptedKeys[bobJid]!,
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base64.encode(aliceResult2.ciphertext!),
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false,
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),
);
expect(aliceResult2.encryptedKeys.length, 1);
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expect(bobResult2.error, null);
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expect(bobResult2.payload, 'Hello Bob x2');
});
test('Test receiving a response from a new device', () async {
const aliceJid = 'alice@server1';
const bobJid = 'bob@server2';
var bothDevices = false;
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final aliceDevice =
await OmemoDevice.generateNewDevice(aliceJid, opkAmount: 1);
final bobDevice1 =
await OmemoDevice.generateNewDevice(bobJid, opkAmount: 1);
final bobDevice2 =
await OmemoDevice.generateNewDevice(bobJid, opkAmount: 1);
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final aliceManager = OmemoManager(
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aliceDevice,
AlwaysTrustingTrustManager(),
(result, recipientJid) async {},
(jid) async {
expect(jid, bobJid);
return [
bobDevice1.id,
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if (bothDevices) bobDevice2.id,
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];
},
(jid, id) async {
expect(jid, bobJid);
if (bothDevices) {
if (id == bobDevice1.id) {
return bobDevice1.toBundle();
} else if (id == bobDevice2.id) {
return bobDevice2.toBundle();
}
} else {
if (id == bobDevice1.id) return bobDevice1.toBundle();
}
return null;
},
(jid) async {},
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(_) async {},
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);
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final bobManager1 = OmemoManager(
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bobDevice1,
AlwaysTrustingTrustManager(),
(result, recipientJid) async {},
(jid) async => [],
(jid, id) async => null,
(jid) async {},
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(_) async {},
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);
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final bobManager2 = OmemoManager(
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bobDevice2,
AlwaysTrustingTrustManager(),
(result, recipientJid) async {},
(jid) async {
expect(jid, aliceJid);
return [aliceDevice.id];
},
(jid, id) async {
expect(jid, aliceJid);
return aliceDevice.toBundle();
},
(jid) async {},
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(_) async {},
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);
// Alice sends a message to Bob
final aliceResult1 = await aliceManager.onOutgoingStanza(
const OmemoOutgoingStanza(
[bobJid],
'Hello Bob!',
),
);
// Bob decrypts it
final bobResult1 = await bobManager1.onIncomingStanza(
OmemoIncomingStanza(
aliceJid,
aliceDevice.id,
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aliceResult1.encryptedKeys[bobJid]!,
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base64.encode(aliceResult1.ciphertext!),
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false,
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),
);
expect(aliceResult1.encryptedKeys.length, 1);
expect(bobResult1.payload, 'Hello Bob!');
// Now Bob encrypts from his new device
bothDevices = true;
final bobResult2 = await bobManager2.onOutgoingStanza(
const OmemoOutgoingStanza(
[aliceJid],
'Hello from my new device',
),
);
// And Alice decrypts it
final aliceResult2 = await aliceManager.onIncomingStanza(
OmemoIncomingStanza(
bobJid,
bobDevice2.id,
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bobResult2.encryptedKeys[aliceJid]!,
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base64.encode(bobResult2.ciphertext!),
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false,
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),
);
expect(aliceResult2.payload, 'Hello from my new device');
});
test('Test receiving a device list update', () async {
const aliceJid = 'alice@server1';
const bobJid = 'bob@server2';
var bothDevices = false;
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final aliceDevice =
await OmemoDevice.generateNewDevice(aliceJid, opkAmount: 1);
final bobDevice1 =
await OmemoDevice.generateNewDevice(bobJid, opkAmount: 1);
final bobDevice2 =
await OmemoDevice.generateNewDevice(bobJid, opkAmount: 1);
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final aliceManager = OmemoManager(
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aliceDevice,
AlwaysTrustingTrustManager(),
(result, recipientJid) async {},
(jid) async {
expect(jid, bobJid);
return [
bobDevice1.id,
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if (bothDevices) bobDevice2.id,
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];
},
(jid, id) async {
expect(jid, bobJid);
if (bothDevices) {
if (id == bobDevice1.id) {
return bobDevice1.toBundle();
} else if (id == bobDevice2.id) {
return bobDevice2.toBundle();
}
} else {
if (id == bobDevice1.id) return bobDevice1.toBundle();
}
return null;
},
(jid) async {},
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(_) async {},
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);
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final bobManager1 = OmemoManager(
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bobDevice1,
AlwaysTrustingTrustManager(),
(result, recipientJid) async {},
(jid) async => null,
(jid, id) async => null,
(jid) async {},
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(_) async {},
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);
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final bobManager2 = OmemoManager(
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bobDevice2,
AlwaysTrustingTrustManager(),
(result, recipientJid) async {},
(jid) async => null,
(jid, id) async => null,
(jid) async {},
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(_) async {},
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);
// Alice sends a message to Bob
final aliceResult1 = await aliceManager.onOutgoingStanza(
const OmemoOutgoingStanza(
[bobJid],
'Hello Bob!',
),
);
// Bob decrypts it
final bobResult1 = await bobManager1.onIncomingStanza(
OmemoIncomingStanza(
aliceJid,
aliceDevice.id,
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aliceResult1.encryptedKeys[bobJid]!,
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base64.encode(aliceResult1.ciphertext!),
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false,
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),
);
expect(aliceResult1.encryptedKeys.length, 1);
expect(bobResult1.payload, 'Hello Bob!');
// Bob acks the ratchet session
await aliceManager.ratchetAcknowledged(bobJid, bobDevice1.id);
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// Bob now publishes a new device
bothDevices = true;
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await aliceManager.onDeviceListUpdate(
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bobJid,
[
bobDevice1.id,
bobDevice2.id,
],
);
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// Now Alice encrypts another message
final aliceResult2 = await aliceManager.onOutgoingStanza(
const OmemoOutgoingStanza(
[bobJid],
'Hello Bob! x2',
),
);
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expect(aliceResult2.encryptedKeys[bobJid]!.length, 2);
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// And Bob decrypts it
final bobResult21 = await bobManager1.onIncomingStanza(
OmemoIncomingStanza(
aliceJid,
aliceDevice.id,
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aliceResult2.encryptedKeys[bobJid]!,
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base64.encode(aliceResult2.ciphertext!),
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false,
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),
);
final bobResult22 = await bobManager2.onIncomingStanza(
OmemoIncomingStanza(
aliceJid,
aliceDevice.id,
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aliceResult2.encryptedKeys[bobJid]!,
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base64.encode(aliceResult2.ciphertext!),
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false,
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),
);
expect(bobResult21.payload, 'Hello Bob! x2');
expect(bobResult22.payload, 'Hello Bob! x2');
// Bob2 now responds
final bobResult32 = await bobManager2.onOutgoingStanza(
const OmemoOutgoingStanza(
[aliceJid],
'Hello Alice!',
),
);
// And Alice responds
final aliceResult3 = await aliceManager.onIncomingStanza(
OmemoIncomingStanza(
bobJid,
bobDevice2.id,
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bobResult32.encryptedKeys[aliceJid]!,
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base64.encode(bobResult32.ciphertext!),
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false,
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),
);
expect(aliceResult3.payload, 'Hello Alice!');
});
test('Test sending a message to two different JIDs', () async {
const aliceJid = 'alice@server1';
const bobJid = 'bob@server2';
const cocoJid = 'coco@server3';
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final aliceDevice =
await OmemoDevice.generateNewDevice(aliceJid, opkAmount: 1);
final bobDevice = await OmemoDevice.generateNewDevice(bobJid, opkAmount: 1);
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final cocoDevice =
await OmemoDevice.generateNewDevice(cocoJid, opkAmount: 1);
final aliceManager = OmemoManager(
aliceDevice,
AlwaysTrustingTrustManager(),
(result, recipientJid) async {},
(jid) async {
if (jid == bobJid) {
return [bobDevice.id];
} else if (jid == cocoJid) {
return [cocoDevice.id];
}
return null;
},
(jid, id) async {
if (jid == bobJid) {
return bobDevice.toBundle();
} else if (jid == cocoJid) {
return cocoDevice.toBundle();
}
return null;
},
(jid) async {},
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(_) async {},
);
final bobManager = OmemoManager(
bobDevice,
AlwaysTrustingTrustManager(),
(result, recipientJid) async {},
(jid) async => null,
(jid, id) async => null,
(jid) async {},
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(_) async {},
);
final cocoManager = OmemoManager(
cocoDevice,
AlwaysTrustingTrustManager(),
(result, recipientJid) async {},
(jid) async => null,
(jid, id) async => null,
(jid) async {},
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(_) async {},
);
// Alice sends a message to Bob and Coco
final aliceResult = await aliceManager.onOutgoingStanza(
const OmemoOutgoingStanza(
[bobJid, cocoJid],
'Hello Bob and Coco!',
),
);
// Bob and Coco decrypt them
final bobResult = await bobManager.onIncomingStanza(
OmemoIncomingStanza(
aliceJid,
aliceDevice.id,
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aliceResult.encryptedKeys[bobJid]!,
base64.encode(aliceResult.ciphertext!),
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false,
),
);
final cocoResult = await cocoManager.onIncomingStanza(
OmemoIncomingStanza(
aliceJid,
aliceDevice.id,
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aliceResult.encryptedKeys[cocoJid]!,
base64.encode(aliceResult.ciphertext!),
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false,
),
);
expect(bobResult.error, null);
expect(cocoResult.error, null);
expect(bobResult.payload, 'Hello Bob and Coco!');
expect(cocoResult.payload, 'Hello Bob and Coco!');
});
test('Test a fetch failure', () async {
const aliceJid = 'alice@server1';
const bobJid = 'bob@server2';
var failure = false;
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final aliceDevice =
await OmemoDevice.generateNewDevice(aliceJid, opkAmount: 1);
final bobDevice = await OmemoDevice.generateNewDevice(bobJid, opkAmount: 1);
final aliceManager = OmemoManager(
aliceDevice,
AlwaysTrustingTrustManager(),
(result, recipientJid) async {},
(jid) async {
expect(jid, bobJid);
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return failure ? null : [bobDevice.id];
},
(jid, id) async {
expect(jid, bobJid);
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return failure ? null : bobDevice.toBundle();
},
(jid) async {},
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(_) async {},
);
final bobManager = OmemoManager(
bobDevice,
AlwaysTrustingTrustManager(),
(result, recipientJid) async {},
(jid) async => null,
(jid, id) async => null,
(jid) async {},
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(_) async {},
);
// Alice sends a message to Bob and Coco
final aliceResult1 = await aliceManager.onOutgoingStanza(
const OmemoOutgoingStanza(
[bobJid],
'Hello Bob!',
),
);
// Bob decrypts it
final bobResult1 = await bobManager.onIncomingStanza(
OmemoIncomingStanza(
aliceJid,
aliceDevice.id,
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aliceResult1.encryptedKeys[bobJid]!,
base64.encode(aliceResult1.ciphertext!),
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false,
),
);
expect(bobResult1.error, null);
expect(bobResult1.payload, 'Hello Bob!');
// Bob acks the message
await aliceManager.ratchetAcknowledged(
bobJid,
bobDevice.id,
);
// Alice has to reconnect but has no connection yet
failure = true;
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await aliceManager.onNewConnection();
// Alice sends another message to Bob
final aliceResult2 = await aliceManager.onOutgoingStanza(
const OmemoOutgoingStanza(
[bobJid],
'Hello Bob! x2',
),
);
// And Bob decrypts it
final bobResult2 = await bobManager.onIncomingStanza(
OmemoIncomingStanza(
aliceJid,
aliceDevice.id,
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aliceResult2.encryptedKeys[bobJid]!,
base64.encode(aliceResult2.ciphertext!),
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false,
),
);
expect(bobResult2.error, null);
expect(bobResult2.payload, 'Hello Bob! x2');
});
test('Test sending a message with failed lookups', () async {
const aliceJid = 'alice@server1';
const bobJid = 'bob@server2';
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final aliceDevice =
await OmemoDevice.generateNewDevice(aliceJid, opkAmount: 1);
final aliceManager = OmemoManager(
aliceDevice,
AlwaysTrustingTrustManager(),
(result, recipientJid) async {},
(jid) async {
expect(jid, bobJid);
return null;
},
(jid, id) async {
expect(jid, bobJid);
return null;
},
(jid) async {},
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(_) async {},
);
// Alice sends a message to Bob
final aliceResult = await aliceManager.onOutgoingStanza(
const OmemoOutgoingStanza(
[bobJid],
'Hello Bob!',
),
);
expect(aliceResult.canSend, isFalse);
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expect(aliceResult.deviceEncryptionErrors[bobJid]!.length, 1);
final error = aliceResult.deviceEncryptionErrors[bobJid]!.first;
expect(error.error, const TypeMatcher<NoKeyMaterialAvailableError>());
});
test('Test sending a message two two JIDs with failed lookups', () async {
const aliceJid = 'alice@server1';
const bobJid = 'bob@server2';
const cocoJid = 'coco@server3';
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final aliceDevice =
await OmemoDevice.generateNewDevice(aliceJid, opkAmount: 1);
final bobDevice = await OmemoDevice.generateNewDevice(bobJid, opkAmount: 1);
final aliceManager = OmemoManager(
aliceDevice,
AlwaysTrustingTrustManager(),
(result, recipientJid) async {},
(jid) async {
if (jid == bobJid) {
return [bobDevice.id];
}
return null;
},
(jid, id) async {
if (jid == bobJid) {
return bobDevice.toBundle();
}
return null;
},
(jid) async {},
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(_) async {},
);
final bobManager = OmemoManager(
bobDevice,
AlwaysTrustingTrustManager(),
(result, recipientJid) async {},
(jid) async => null,
(jid, id) async => null,
(jid) async {},
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(_) async {},
);
// Alice sends a message to Bob and Coco
final aliceResult = await aliceManager.onOutgoingStanza(
const OmemoOutgoingStanza(
[bobJid, cocoJid],
'Hello Bob and Coco!',
),
);
expect(aliceResult.canSend, isFalse);
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expect(aliceResult.deviceEncryptionErrors[cocoJid]!.length, 1);
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expect(
aliceResult.deviceEncryptionErrors[cocoJid]!.first.error,
const TypeMatcher<NoKeyMaterialAvailableError>(),
);
// Bob decrypts it
final bobResult = await bobManager.onIncomingStanza(
OmemoIncomingStanza(
aliceJid,
aliceDevice.id,
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aliceResult.encryptedKeys[bobJid]!,
base64.encode(aliceResult.ciphertext!),
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false,
),
);
expect(bobResult.payload, 'Hello Bob and Coco!');
});
test('Test sending multiple messages back and forth', () async {
const aliceJid = 'alice@server1';
const bobJid = 'bob@server2';
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final aliceDevice =
await OmemoDevice.generateNewDevice(aliceJid, opkAmount: 1);
final bobDevice = await OmemoDevice.generateNewDevice(bobJid, opkAmount: 1);
final aliceManager = OmemoManager(
aliceDevice,
AlwaysTrustingTrustManager(),
(result, recipientJid) async {},
(jid) async {
expect(jid, bobJid);
return [bobDevice.id];
},
(jid, id) async {
expect(jid, bobJid);
return bobDevice.toBundle();
},
(jid) async {},
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(_) async {},
);
final bobManager = OmemoManager(
bobDevice,
AlwaysTrustingTrustManager(),
(result, recipientJid) async {},
(jid) async => null,
(jid, id) async => null,
(jid) async {},
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(_) async {},
);
// Alice encrypts a message for Bob
final aliceMessage = await aliceManager.onOutgoingStanza(
const OmemoOutgoingStanza(
[bobJid],
'Hello Bob!',
),
);
// And Bob decrypts it
await bobManager.onIncomingStanza(
OmemoIncomingStanza(
aliceJid,
aliceDevice.id,
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aliceMessage.encryptedKeys[bobJid]!,
base64.encode(aliceMessage.ciphertext!),
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false,
),
);
// Ratchets are acked
await aliceManager.ratchetAcknowledged(
bobJid,
bobDevice.id,
);
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for (var i = 0; i < 100; i++) {
final messageText = 'Test Message #$i';
// Bob responds to Alice
final bobResponseMessage = await bobManager.onOutgoingStanza(
OmemoOutgoingStanza(
[aliceJid],
messageText,
),
);
expect(bobResponseMessage.canSend, isTrue);
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final aliceReceivedMessage = await aliceManager.onIncomingStanza(
OmemoIncomingStanza(
bobJid,
bobDevice.id,
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bobResponseMessage.encryptedKeys[aliceJid]!,
base64.encode(bobResponseMessage.ciphertext!),
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false,
),
);
expect(aliceReceivedMessage.payload, messageText);
}
});
test('Test removing all ratchets and sending a message', () async {
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const aliceJid = 'alice@server1';
const bobJid = 'bob@server2';
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final aliceDevice =
await OmemoDevice.generateNewDevice(aliceJid, opkAmount: 1);
final bobDevice = await OmemoDevice.generateNewDevice(bobJid, opkAmount: 1);
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EncryptionResult? aliceEmptyMessage;
final aliceManager = OmemoManager(
aliceDevice,
AlwaysTrustingTrustManager(),
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(result, recipientJid) async {
aliceEmptyMessage = result;
},
(jid) async {
expect(jid, bobJid);
return [bobDevice.id];
},
(jid, id) async {
expect(jid, bobJid);
return bobDevice.toBundle();
},
(jid) async {},
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(_) async {},
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);
final bobManager = OmemoManager(
bobDevice,
AlwaysTrustingTrustManager(),
(result, recipientJid) async {},
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(jid) async => null,
(jid, id) async => null,
(jid) async {},
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(_) async {},
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);
// Alice encrypts a message for Bob
final aliceResult1 = await aliceManager.onOutgoingStanza(
const OmemoOutgoingStanza(
[bobJid],
'Hello Bob!',
),
);
// And Bob decrypts it
await bobManager.onIncomingStanza(
OmemoIncomingStanza(
aliceJid,
aliceDevice.id,
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aliceResult1.encryptedKeys[bobJid]!,
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base64.encode(aliceResult1.ciphertext!),
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false,
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),
);
// Ratchets are acked
await aliceManager.ratchetAcknowledged(
bobJid,
bobDevice.id,
);
// Alice now removes all ratchets for Bob and sends another new message
await aliceManager.removeAllRatchets(bobJid);
expect(aliceManager.getRatchet(RatchetMapKey(bobJid, bobDevice.id)), null);
// Alice prepares an empty OMEMO message
await aliceManager.sendOmemoHeartbeat(bobJid);
// And Bob receives it
final bobResult2 = await bobManager.onIncomingStanza(
OmemoIncomingStanza(
aliceJid,
await aliceManager.getDeviceId(),
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aliceEmptyMessage!.encryptedKeys[bobJid]!,
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null,
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false,
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),
);
expect(bobResult2.error, null);
// Bob acks the new ratchet
await aliceManager.ratchetAcknowledged(
bobJid,
await bobManager.getDeviceId(),
);
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// Alice sends another message
final aliceResult3 = await aliceManager.onOutgoingStanza(
const OmemoOutgoingStanza(
[bobJid],
'I did not trust your last device, Bob!',
),
);
// Bob decrypts it
final bobResult3 = await bobManager.onIncomingStanza(
OmemoIncomingStanza(
aliceJid,
aliceDevice.id,
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aliceResult3.encryptedKeys[bobJid]!,
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base64.encode(aliceResult3.ciphertext!),
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false,
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),
);
expect(bobResult3.error, null);
expect(bobResult3.payload, 'I did not trust your last device, Bob!');
// Bob responds
final bobResult4 = await bobManager.onOutgoingStanza(
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const OmemoOutgoingStanza(
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[aliceJid],
"That's okay.",
),
);
// Alice decrypts
final aliceResult4 = await aliceManager.onIncomingStanza(
OmemoIncomingStanza(
bobJid,
bobDevice.id,
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bobResult4.encryptedKeys[aliceJid]!,
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base64.encode(bobResult4.ciphertext!),
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false,
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),
);
expect(aliceResult4.error, null);
expect(aliceResult4.payload, "That's okay.");
});
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test(
'Test removing all ratchets and sending a message without post-heartbeat ack',
() async {
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// This test is the same as "Test removing all ratchets and sending a message" except
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// that Bob does not ack the ratchet after Alice's heartbeat after she recreated
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// all ratchets.
const aliceJid = 'alice@server1';
const bobJid = 'bob@server2';
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final aliceDevice =
await OmemoDevice.generateNewDevice(aliceJid, opkAmount: 1);
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final bobDevice = await OmemoDevice.generateNewDevice(bobJid, opkAmount: 1);
EncryptionResult? aliceEmptyMessage;
final aliceManager = OmemoManager(
aliceDevice,
AlwaysTrustingTrustManager(),
(result, recipientJid) async {
aliceEmptyMessage = result;
},
(jid) async {
expect(jid, bobJid);
return [bobDevice.id];
},
(jid, id) async {
expect(jid, bobJid);
return bobDevice.toBundle();
},
(jid) async {},
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(_) async {},
);
final bobManager = OmemoManager(
bobDevice,
AlwaysTrustingTrustManager(),
(result, recipientJid) async {},
(jid) async => null,
(jid, id) async => null,
(jid) async {},
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(_) async {},
);
// Alice encrypts a message for Bob
final aliceResult1 = await aliceManager.onOutgoingStanza(
const OmemoOutgoingStanza(
[bobJid],
'Hello Bob!',
),
);
// And Bob decrypts it
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final bobResult1 = await bobManager.onIncomingStanza(
OmemoIncomingStanza(
aliceJid,
aliceDevice.id,
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aliceResult1.encryptedKeys[bobJid]!,
base64.encode(aliceResult1.ciphertext!),
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false,
),
);
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expect(bobResult1.error, isNull);
// Ratchets are acked
await aliceManager.ratchetAcknowledged(
bobJid,
bobDevice.id,
);
// Alice now removes all ratchets for Bob and sends another new message
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Logger.root.info('Removing all ratchets for $bobJid');
await aliceManager.removeAllRatchets(bobJid);
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expect(
aliceManager.getRatchet(RatchetMapKey(bobJid, bobDevice.id)),
isNull,
);
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// Alice prepares an empty OMEMO message
await aliceManager.sendOmemoHeartbeat(bobJid);
// And Bob receives it
final bobResult2 = await bobManager.onIncomingStanza(
OmemoIncomingStanza(
aliceJid,
await aliceManager.getDeviceId(),
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aliceEmptyMessage!.encryptedKeys[bobJid]!,
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null,
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false,
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),
);
expect(bobResult2.error, null);
// Alice sends another message
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Logger.root.info('Sending final message');
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final aliceResult3 = await aliceManager.onOutgoingStanza(
const OmemoOutgoingStanza(
[bobJid],
'I did not trust your last device, Bob!',
),
);
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expect(aliceResult3.encryptedKeys[bobJid]!.first.kex, isTrue);
// Bob decrypts it
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final bobResult3 = await bobManager.onIncomingStanza(
OmemoIncomingStanza(
aliceJid,
aliceDevice.id,
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aliceResult3.encryptedKeys[bobJid]!,
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base64.encode(aliceResult3.ciphertext!),
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false,
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),
);
expect(bobResult3.error, null);
expect(bobResult3.payload, 'I did not trust your last device, Bob!');
// Bob responds
final bobResult4 = await bobManager.onOutgoingStanza(
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const OmemoOutgoingStanza(
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[aliceJid],
"That's okay.",
),
);
// Alice decrypts
final aliceResult4 = await aliceManager.onIncomingStanza(
OmemoIncomingStanza(
bobJid,
bobDevice.id,
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bobResult4.encryptedKeys[aliceJid]!,
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base64.encode(bobResult4.ciphertext!),
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false,
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),
);
expect(aliceResult4.error, null);
expect(aliceResult4.payload, "That's okay.");
});
test('Test resending key exchanges', () async {
const aliceJid = 'alice@server1';
const bobJid = 'bob@server2';
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final aliceDevice =
await OmemoDevice.generateNewDevice(aliceJid, opkAmount: 1);
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final bobDevice = await OmemoDevice.generateNewDevice(bobJid, opkAmount: 1);
final aliceManager = OmemoManager(
aliceDevice,
AlwaysTrustingTrustManager(),
(result, recipientJid) async {},
(jid) async {
expect(jid, bobJid);
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return [bobDevice.id];
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},
(jid, id) async {
expect(jid, bobJid);
return bobDevice.toBundle();
},
(jid) async {},
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(_) async {},
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);
final bobManager = OmemoManager(
bobDevice,
AlwaysTrustingTrustManager(),
(result, recipientJid) async {},
(jid) async {
expect(jid, aliceJid);
return [aliceDevice.id];
},
(jid, id) async {
expect(jid, aliceJid);
return aliceDevice.toBundle();
},
(jid) async {},
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(_) async {},
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);
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// Alice sends Bob a message
final aliceResult1 = await aliceManager.onOutgoingStanza(
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const OmemoOutgoingStanza(
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[bobJid],
'Hello World!',
),
);
// The first message must be a KEX message
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expect(aliceResult1.encryptedKeys[bobJid]!.first.kex, isTrue);
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// Bob decrypts Alice's message
final bobResult1 = await bobManager.onIncomingStanza(
OmemoIncomingStanza(
aliceJid,
aliceDevice.id,
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aliceResult1.encryptedKeys[bobJid]!,
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base64.encode(aliceResult1.ciphertext!),
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false,
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),
);
expect(bobResult1.error, null);
expect(bobResult1.payload, 'Hello World!');
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// Alice immediately sends another message
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final aliceResult2 = await aliceManager.onOutgoingStanza(
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const OmemoOutgoingStanza(
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[bobJid],
'Hello Bob',
),
);
// The response should contain a KEX
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expect(aliceResult2.encryptedKeys[bobJid]!.first.kex, isTrue);
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// The basic data should be the same
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final parsedFirstKex = OMEMOKeyExchange.fromBuffer(
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base64.decode(aliceResult1.encryptedKeys[bobJid]!.first.value),
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);
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final parsedSecondKex = OMEMOKeyExchange.fromBuffer(
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base64.decode(aliceResult2.encryptedKeys[bobJid]!.first.value),
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);
expect(parsedSecondKex.pkId, parsedFirstKex.pkId);
expect(parsedSecondKex.spkId, parsedFirstKex.spkId);
expect(parsedSecondKex.ik, parsedFirstKex.ik);
expect(parsedSecondKex.ek, parsedFirstKex.ek);
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// Bob decrypts it
final bobResult2 = await bobManager.onIncomingStanza(
OmemoIncomingStanza(
aliceJid,
aliceDevice.id,
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aliceResult2.encryptedKeys[bobJid]!,
base64.encode(aliceResult2.ciphertext!),
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false,
),
);
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expect(bobResult2.error, null);
expect(bobResult2.payload, 'Hello Bob');
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// Bob also sends a message
final bobResult3 = await bobManager.onOutgoingStanza(
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const OmemoOutgoingStanza(
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[aliceJid],
'Hello Alice!',
),
);
// Alice decrypts it
final aliceResult3 = await aliceManager.onIncomingStanza(
OmemoIncomingStanza(
bobJid,
bobDevice.id,
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bobResult3.encryptedKeys[aliceJid]!,
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base64.encode(bobResult3.ciphertext!),
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false,
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),
);
expect(aliceResult3.error, null);
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expect(aliceResult3.payload, 'Hello Alice!');
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// Bob now acks the ratchet
await aliceManager.ratchetAcknowledged(
bobJid,
bobDevice.id,
);
// Alice replies
final aliceResult4 = await aliceManager.onOutgoingStanza(
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const OmemoOutgoingStanza(
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[bobJid],
'Hi Bob',
),
);
// The response should contain no KEX
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expect(aliceResult4.encryptedKeys[bobJid]!.first.kex, isFalse);
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// Bob decrypts it
final bobResult4 = await bobManager.onIncomingStanza(
OmemoIncomingStanza(
aliceJid,
aliceDevice.id,
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aliceResult4.encryptedKeys[bobJid]!,
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base64.encode(aliceResult4.ciphertext!),
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false,
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),
);
expect(bobResult4.error, null);
expect(bobResult4.payload, 'Hi Bob');
});
test('Test correct trust behaviour on receiving', () async {
const aliceJid = 'alice@server1';
const bobJid = 'bob@server2';
final aliceDevice =
await OmemoDevice.generateNewDevice(aliceJid, opkAmount: 1);
final bobDevice = await OmemoDevice.generateNewDevice(bobJid, opkAmount: 1);
final aliceManager = OmemoManager(
aliceDevice,
AlwaysTrustingTrustManager(),
(result, recipientJid) async {},
(jid) async {
expect(jid, bobJid);
return [bobDevice.id];
},
(jid, id) async {
expect(jid, bobJid);
return bobDevice.toBundle();
},
(jid) async {},
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(_) async {},
);
final bobManager = OmemoManager(
bobDevice,
TestingTrustManager(),
(result, recipientJid) async {},
(jid) async {
expect(jid, aliceJid);
return [aliceDevice.id];
},
(jid, id) async {
expect(jid, aliceJid);
return aliceDevice.toBundle();
},
(jid) async {},
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(_) async {},
);
// Alice sends Bob a message
final aliceResult1 = await aliceManager.onOutgoingStanza(
const OmemoOutgoingStanza(
[bobJid],
'Hello World!',
),
);
// Bob decrypts Alice's message
final bobResult1 = await bobManager.onIncomingStanza(
OmemoIncomingStanza(
aliceJid,
aliceDevice.id,
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aliceResult1.encryptedKeys[bobJid]!,
base64.encode(aliceResult1.ciphertext!),
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false,
),
);
expect(bobResult1.error, null);
// Bob should have some trust state
await bobManager.withTrustManager(
bobJid,
(tm) async {
expect(
(tm as TestingTrustManager).devices[aliceJid],
await aliceManager.getDeviceId(),
);
},
);
});
test('Test receiving a non-KEX from a new device', () async {
const aliceJid = 'alice@server1';
const bobJid = 'bob@server2';
final aliceDevice1 =
await OmemoDevice.generateNewDevice(aliceJid, opkAmount: 1);
final aliceDevice2 =
await OmemoDevice.generateNewDevice(aliceJid, opkAmount: 1);
final bobDevice = await OmemoDevice.generateNewDevice(bobJid, opkAmount: 1);
final aliceManager1 = OmemoManager(
aliceDevice1,
AlwaysTrustingTrustManager(),
(result, recipientJid) async {},
(jid) async {
expect(jid, bobJid);
return [bobDevice.id];
},
(jid, id) async {
expect(jid, bobJid);
return bobDevice.toBundle();
},
(jid) async {},
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(_) async {},
);
final aliceManager2 = OmemoManager(
aliceDevice2,
TestingTrustManager(),
(result, recipientJid) async {},
(jid) async {
expect(jid, bobJid);
return [bobDevice.id];
},
(jid, id) async {
expect(jid, bobJid);
return bobDevice.toBundle();
},
(jid) async {},
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(_) async {},
);
EncryptionResult? bobEmptyMessage;
var includeAlice2 = false;
final bobManager = OmemoManager(
bobDevice,
TestingTrustManager(),
(result, recipientJid) async {
bobEmptyMessage = result;
},
(jid) async {
expect(jid, aliceJid);
return [
aliceDevice1.id,
if (includeAlice2) aliceDevice2.id,
];
},
(jid, id) async {
expect(jid, aliceJid);
if (id == aliceDevice1.id) {
return aliceDevice1.toBundle();
} else if (id == aliceDevice2.id) {
return aliceDevice2.toBundle();
}
return null;
},
(jid) async {},
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(_) async {},
);
// Alice sends Bob a message
final aliceResult1 = await aliceManager1.onOutgoingStanza(
const OmemoOutgoingStanza(
[bobJid],
'Hello World!',
),
);
// Bob decrypts Alice's message
final bobResult1 = await bobManager.onIncomingStanza(
OmemoIncomingStanza(
aliceJid,
aliceDevice1.id,
aliceResult1.encryptedKeys[bobJid]!,
base64.encode(aliceResult1.ciphertext!),
false,
),
);
expect(bobResult1.error, null);
expect(bobEmptyMessage, isNotNull);
// Somehow create a non-KEX message without Bob creating a ratchet
await aliceManager2.onOutgoingStanza(
const OmemoOutgoingStanza([bobJid], 'lol'),
);
await aliceManager2.ratchetAcknowledged(bobJid, bobDevice.id);
final aliceResult2 = await aliceManager2.onOutgoingStanza(
const OmemoOutgoingStanza([bobJid], 'lol x2'),
);
// Bob decrypts it and fails, but builds a session with the new device
bobEmptyMessage = null;
includeAlice2 = true;
final bobResult2 = await bobManager.onIncomingStanza(
OmemoIncomingStanza(
aliceJid,
aliceDevice2.id,
aliceResult2.encryptedKeys[bobJid]!,
base64Encode(aliceResult2.ciphertext!),
false,
),
);
expect(bobResult2.error, const TypeMatcher<NoSessionWithDeviceError>());
expect(bobEmptyMessage, isNotNull);
// Check that the empty message is encrypted for both of Alice's devices
expect(
bobEmptyMessage!.encryptedKeys[aliceJid]!
.firstWhereOrNull((key) => key.rid == aliceDevice1.id),
isNotNull,
);
expect(
bobEmptyMessage!.encryptedKeys[aliceJid]!
.firstWhereOrNull((key) => key.rid == aliceDevice1.id),
isNotNull,
);
});
test(
'Test receiving a non-KEX from a new device without device list inclusion',
() async {
const aliceJid = 'alice@server1';
const bobJid = 'bob@server2';
final aliceDevice1 =
await OmemoDevice.generateNewDevice(aliceJid, opkAmount: 1);
final aliceDevice2 =
await OmemoDevice.generateNewDevice(aliceJid, opkAmount: 1);
final bobDevice = await OmemoDevice.generateNewDevice(bobJid, opkAmount: 1);
final aliceManager1 = OmemoManager(
aliceDevice1,
AlwaysTrustingTrustManager(),
(result, recipientJid) async {},
(jid) async {
expect(jid, bobJid);
return [bobDevice.id];
},
(jid, id) async {
expect(jid, bobJid);
return bobDevice.toBundle();
},
(jid) async {},
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(_) async {},
);
final aliceManager2 = OmemoManager(
aliceDevice2,
TestingTrustManager(),
(result, recipientJid) async {},
(jid) async {
expect(jid, bobJid);
return [bobDevice.id];
},
(jid, id) async {
expect(jid, bobJid);
return bobDevice.toBundle();
},
(jid) async {},
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(_) async {},
);
EncryptionResult? bobEmptyMessage;
final bobManager = OmemoManager(
bobDevice,
TestingTrustManager(),
(result, recipientJid) async {
bobEmptyMessage = result;
},
(jid) async {
expect(jid, aliceJid);
return [
aliceDevice1.id,
];
},
(jid, id) async {
expect(jid, aliceJid);
if (id == aliceDevice1.id) {
return aliceDevice1.toBundle();
} else if (id == aliceDevice2.id) {
return aliceDevice2.toBundle();
}
return null;
},
(jid) async {},
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(_) async {},
);
// Alice sends Bob a message
final aliceResult1 = await aliceManager1.onOutgoingStanza(
const OmemoOutgoingStanza(
[bobJid],
'Hello World!',
),
);
// Bob decrypts Alice's message
final bobResult1 = await bobManager.onIncomingStanza(
OmemoIncomingStanza(
aliceJid,
aliceDevice1.id,
aliceResult1.encryptedKeys[bobJid]!,
base64.encode(aliceResult1.ciphertext!),
false,
),
);
expect(bobResult1.error, null);
expect(bobEmptyMessage, isNotNull);
// Somehow create a non-KEX message without Bob creating a ratchet
await aliceManager2.onOutgoingStanza(
const OmemoOutgoingStanza([bobJid], 'lol'),
);
await aliceManager2.ratchetAcknowledged(bobJid, bobDevice.id);
final aliceResult2 = await aliceManager2.onOutgoingStanza(
const OmemoOutgoingStanza([bobJid], 'lol x2'),
);
// Bob decrypts it and fails, but builds a session with the new device
bobEmptyMessage = null;
final bobResult2 = await bobManager.onIncomingStanza(
OmemoIncomingStanza(
aliceJid,
aliceDevice2.id,
aliceResult2.encryptedKeys[bobJid]!,
base64Encode(aliceResult2.ciphertext!),
false,
),
);
expect(bobResult2.error, const TypeMatcher<NoSessionWithDeviceError>());
expect(bobEmptyMessage, isNotNull);
// Check that the empty message is encrypted for both of Alice's devices
expect(
bobEmptyMessage!.encryptedKeys[aliceJid]!
.firstWhereOrNull((key) => key.rid == aliceDevice1.id),
isNotNull,
);
expect(
bobEmptyMessage!.encryptedKeys[aliceJid]!
.firstWhereOrNull((key) => key.rid == aliceDevice1.id),
isNotNull,
);
});
test('Test receiving an empty OMEMO message', () async {
const aliceJid = 'alice@server1';
const bobJid = 'bob@server2';
final aliceDevice =
await OmemoDevice.generateNewDevice(aliceJid, opkAmount: 1);
final bobDevice = await OmemoDevice.generateNewDevice(bobJid, opkAmount: 1);
final aliceManager = OmemoManager(
aliceDevice,
AlwaysTrustingTrustManager(),
(result, recipientJid) async {},
(jid) async {
expect(jid, bobJid);
return [bobDevice.id];
},
(jid, id) async {
expect(jid, bobJid);
return bobDevice.toBundle();
},
(jid) async {},
(_) async {},
);
EncryptionResult? bobEmptyMessage;
final bobManager = OmemoManager(
bobDevice,
TestingTrustManager(),
(result, recipientJid) async {
bobEmptyMessage = result;
},
(jid) async {
expect(jid, aliceJid);
return [
aliceDevice.id,
];
},
(jid, id) async {
expect(jid, aliceJid);
if (id == aliceDevice.id) {
return aliceDevice.toBundle();
}
return null;
},
(jid) async {},
(_) async {},
);
// Alice sends Bob a message
final aliceResult1 = await aliceManager.onOutgoingStanza(
const OmemoOutgoingStanza(
[bobJid],
'Hello World!',
),
);
// Bob decrypts Alice's message
final bobResult1 = await bobManager.onIncomingStanza(
OmemoIncomingStanza(
aliceJid,
aliceDevice.id,
aliceResult1.encryptedKeys[bobJid]!,
base64.encode(aliceResult1.ciphertext!),
false,
),
);
expect(bobResult1.error, null);
expect(bobEmptyMessage, isNotNull);
// Bob now sends the empty OMEMO message to Alice, who then decrypts
// it.
final aliceResult2 = await aliceManager.onIncomingStanza(
OmemoIncomingStanza(
bobJid,
bobDevice.id,
bobEmptyMessage!.encryptedKeys[aliceJid]!,
bobEmptyMessage!.ciphertext?.toBase64(),
false,
),
);
expect(aliceResult2.error, isNull);
expect(aliceResult2.payload, isNull);
expect(aliceManager.getRatchet(RatchetMapKey(bobJid, bobDevice.id))!.acknowledged, isTrue);
// Now Alice sends something to Bob
final aliceResult3 = await aliceManager.onOutgoingStanza(
const OmemoOutgoingStanza(
[bobJid],
'Hello Bob',
),
);
// And Bob decrypts it
final bobResult = await bobManager.onIncomingStanza(
OmemoIncomingStanza(
aliceJid,
aliceDevice.id,
aliceResult3.encryptedKeys[bobJid]!,
aliceResult3.ciphertext?.toBase64(),
false,
),
);
expect(bobResult.error, isNull);
expect(bobResult.payload, 'Hello Bob');
});
}