omemo_dart/test/serialisation_test.dart

189 lines
6.7 KiB
Dart

import 'dart:convert';
import 'package:omemo_dart/omemo_dart.dart';
import 'package:omemo_dart/src/trust/always.dart';
import 'package:test/test.dart';
void main() {
test('Test serialising and deserialising the Device', () async {
// Generate a random session
final oldSession = await OmemoSessionManager.generateNewIdentity(
'user@test.server',
AlwaysTrustingTrustManager(),
opkAmount: 1,
);
final oldDevice = await oldSession.getDevice();
final serialised = await oldDevice.toJson();
final newDevice = Device.fromJson(serialised);
expect(await oldDevice.equals(newDevice), true);
});
test('Test serialising and deserialising the Device after rotating the SPK', () async {
// Generate a random session
final oldSession = await OmemoSessionManager.generateNewIdentity(
'user@test.server',
AlwaysTrustingTrustManager(),
opkAmount: 1,
);
final oldDevice = await (await oldSession.getDevice()).replaceSignedPrekey();
final serialised = await oldDevice.toJson();
final newDevice = Device.fromJson(serialised);
expect(await oldDevice.equals(newDevice), true);
});
test('Test serialising and deserialising the OmemoDoubleRatchet', () async {
// Generate a random ratchet
const aliceJid = 'alice@server.example';
const bobJid = 'bob@other.server.example';
final aliceSession = await OmemoSessionManager.generateNewIdentity(
aliceJid,
AlwaysTrustingTrustManager(),
opkAmount: 1,
);
final bobSession = await OmemoSessionManager.generateNewIdentity(
bobJid,
AlwaysTrustingTrustManager(),
opkAmount: 1,
);
final aliceMessage = await aliceSession.encryptToJid(
bobJid,
'Hello Bob!',
newSessions: [
await bobSession.getDeviceBundle(),
],
);
await bobSession.decryptMessage(
aliceMessage.ciphertext,
aliceJid,
await aliceSession.getDeviceId(),
aliceMessage.encryptedKeys,
);
final aliceOld = aliceSession.getRatchet(bobJid, await bobSession.getDeviceId());
final aliceSerialised = await aliceOld.toJson();
final aliceNew = OmemoDoubleRatchet.fromJson(aliceSerialised);
expect(await aliceOld.equals(aliceNew), true);
});
test('Test serialising and deserialising the OmemoSessionManager', () async {
// Generate a random session
final oldSession = await OmemoSessionManager.generateNewIdentity(
'a@server',
AlwaysTrustingTrustManager(),
opkAmount: 4,
);
final bobSession = await OmemoSessionManager.generateNewIdentity(
'b@other.server',
AlwaysTrustingTrustManager(),
opkAmount: 4,
);
await oldSession.addSessionFromBundle(
'bob@localhost',
await bobSession.getDeviceId(),
await bobSession.getDeviceBundle(),
);
// Serialise and deserialise
final serialised = await oldSession.toJson();
final newSession = OmemoSessionManager.fromJson(
serialised,
AlwaysTrustingTrustManager(),
);
final oldDevice = await oldSession.getDevice();
final newDevice = await newSession.getDevice();
expect(await oldDevice.equals(newDevice), true);
expect(await oldSession.getDeviceMap(), await newSession.getDeviceMap());
expect(oldSession.getRatchetMap().length, newSession.getRatchetMap().length);
for (final session in oldSession.getRatchetMap().entries) {
expect(newSession.getRatchetMap().containsKey(session.key), true);
final oldRatchet = oldSession.getRatchetMap()[session.key]!;
final newRatchet = newSession.getRatchetMap()[session.key]!;
expect(await oldRatchet.equals(newRatchet), true);
}
});
test('Test serialising and deserialising the BlindTrustBeforeVerificationTrustManager', () async {
// Caroline's BTBV manager
final btbv = MemoryBTBVTrustManager();
// Example data
const aliceJid = 'alice@some.server';
const bobJid = 'bob@other.server';
// Caroline starts a chat a device from Alice
await btbv.onNewSession(aliceJid, 1);
expect(await btbv.isTrusted(aliceJid, 1), true);
expect(await btbv.isEnabled(aliceJid, 1), true);
// Caroline meets with Alice and verifies her fingerprint
await btbv.setDeviceTrust(aliceJid, 1, BTBVTrustState.verified);
expect(await btbv.isTrusted(aliceJid, 1), true);
// Alice adds a new device
await btbv.onNewSession(aliceJid, 2);
expect(await btbv.isTrusted(aliceJid, 2), false);
expect(btbv.getDeviceTrust(aliceJid, 2), BTBVTrustState.notTrusted);
expect(await btbv.isEnabled(aliceJid, 2), false);
// Caronline starts a chat with Bob but since they live far apart, Caroline cannot
// verify his fingerprint.
await btbv.onNewSession(bobJid, 3);
// Bob adds a new device
await btbv.onNewSession(bobJid, 4);
expect(await btbv.isTrusted(bobJid, 3), true);
expect(await btbv.isTrusted(bobJid, 4), true);
expect(btbv.getDeviceTrust(bobJid, 3), BTBVTrustState.blindTrust);
expect(btbv.getDeviceTrust(bobJid, 4), BTBVTrustState.blindTrust);
expect(await btbv.isEnabled(bobJid, 3), true);
expect(await btbv.isEnabled(bobJid, 4), true);
});
test('Test serializing and deserializing RatchetMapKey', () {
const test1 = RatchetMapKey('user@example.org', 1234);
final result1 = RatchetMapKey.fromJsonKey(test1.toJsonKey());
expect(result1.jid, test1.jid);
expect(result1.deviceId, test1.deviceId);
const test2 = RatchetMapKey('user@example.org/hallo:welt', 3333);
final result2 = RatchetMapKey.fromJsonKey(test2.toJsonKey());
expect(result2.jid, test2.jid);
expect(result2.deviceId, test2.deviceId);
});
test('Test serializing and deserializing the components of the BTBV manager', () async {
// Caroline's BTBV manager
final btbv = MemoryBTBVTrustManager();
// Example data
const aliceJid = 'alice@some.server';
const bobJid = 'bob@other.server';
await btbv.onNewSession(aliceJid, 1);
await btbv.setDeviceTrust(aliceJid, 1, BTBVTrustState.verified);
await btbv.onNewSession(aliceJid, 2);
await btbv.onNewSession(bobJid, 3);
await btbv.onNewSession(bobJid, 4);
final managerJson = await btbv.toJson();
final managerString = jsonEncode(managerJson);
final managerPostJson = jsonDecode(managerString) as Map<String, dynamic>;
final deviceList = BlindTrustBeforeVerificationTrustManager.deviceListFromJson(
managerPostJson,
);
expect(btbv.devices, deviceList);
final trustCache = BlindTrustBeforeVerificationTrustManager.trustCacheFromJson(
managerPostJson,
);
expect(btbv.trustCache, trustCache);
final enableCache = BlindTrustBeforeVerificationTrustManager.enableCacheFromJson(
managerPostJson,
);
expect(btbv.enablementCache, enableCache);
});
}