473 lines
		
	
	
		
			17 KiB
		
	
	
	
		
			Dart
		
	
	
	
			
		
		
	
	
			473 lines
		
	
	
		
			17 KiB
		
	
	
	
		
			Dart
		
	
	
	
| /*
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|  *   Famedly Matrix SDK
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|  *   Copyright (C) 2020 Famedly GmbH
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|  *
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|  *   This program is free software: you can redistribute it and/or modify
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|  *   it under the terms of the GNU Affero General Public License as
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|  *   published by the Free Software Foundation, either version 3 of the
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|  *   License, or (at your option) any later version.
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|  *
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|  *   This program is distributed in the hope that it will be useful,
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|  *   but WITHOUT ANY WARRANTY; without even the implied warranty of
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|  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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|  *   GNU Affero General Public License for more details.
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|  *
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|  *   You should have received a copy of the GNU Affero General Public License
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|  *   along with this program.  If not, see <https://www.gnu.org/licenses/>.
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|  */
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| 
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| import 'dart:convert';
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| 
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| import 'package:famedlysdk/famedlysdk.dart';
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| import 'package:famedlysdk/encryption.dart';
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| import 'package:logger/logger.dart';
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| import 'package:test/test.dart';
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| import 'package:olm/olm.dart' as olm;
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| 
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| import '../fake_client.dart';
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| import '../fake_matrix_api.dart';
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| 
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| class MockSSSS extends SSSS {
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|   MockSSSS(Encryption encryption) : super(encryption);
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| 
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|   bool requestedSecrets = false;
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|   @override
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|   Future<void> maybeRequestAll([List<DeviceKeys> devices]) async {
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|     requestedSecrets = true;
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|     final handle = open();
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|     await handle.unlock(recoveryKey: SSSS_KEY);
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|     await handle.maybeCacheAll();
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|   }
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| }
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| 
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| EventUpdate getLastSentEvent(KeyVerification req) {
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|   final entry = FakeMatrixApi.calledEndpoints.entries
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|       .firstWhere((p) => p.key.contains('/send/'));
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|   final type = entry.key.split('/')[6];
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|   final content = json.decode(entry.value.first);
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|   return EventUpdate(
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|     content: {
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|       'event_id': req.transactionId,
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|       'type': type,
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|       'content': content,
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|       'origin_server_ts': DateTime.now().millisecondsSinceEpoch,
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|       'sender': req.client.userID,
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|     },
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|     type: EventUpdateType.timeline,
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|     roomID: req.room.id,
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|   );
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| }
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| 
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| void main() {
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|   /// All Tests related to the ChatTime
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|   group('Key Verification', () {
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|     Logs().level = Level.error;
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|     var olmEnabled = true;
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| 
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|     // key @othertest:fakeServer.notExisting
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|     const otherPickledOlmAccount =
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|         'VWhVApbkcilKAEGppsPDf9nNVjaK8/IxT3asSR0sYg0S5KgbfE8vXEPwoiKBX2cEvwX3OessOBOkk+ZE7TTbjlrh/KEd31p8Wo+47qj0AP+Ky+pabnhi+/rTBvZy+gfzTqUfCxZrkzfXI9Op4JnP6gYmy7dVX2lMYIIs9WCO1jcmIXiXum5jnfXu1WLfc7PZtO2hH+k9CDKosOFaXRBmsu8k/BGXPSoWqUpvu6WpEG9t5STk4FeAzA';
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| 
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|     Client client1;
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|     Client client2;
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| 
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|     test('setupClient', () async {
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|       try {
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|         await olm.init();
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|         olm.get_library_version();
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|       } catch (e) {
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|         olmEnabled = false;
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|         Logs().w('[LibOlm] Failed to load LibOlm', e);
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|       }
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|       Logs().i('[LibOlm] Enabled: $olmEnabled');
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|       if (!olmEnabled) return;
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| 
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|       client1 = await getClient();
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|       client2 = Client('othertestclient',
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|           httpClient: FakeMatrixApi(),
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|           databaseBuilder: (_) => client1.database);
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|       await client2.checkHomeserver('https://fakeserver.notexisting',
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|           checkWellKnown: false);
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|       await client2.init(
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|         newToken: 'abc',
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|         newUserID: '@othertest:fakeServer.notExisting',
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|         newHomeserver: client2.homeserver,
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|         newDeviceName: 'Text Matrix Client',
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|         newDeviceID: 'FOXDEVICE',
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|         newOlmAccount: otherPickledOlmAccount,
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|       );
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|       await Future.delayed(Duration(milliseconds: 10));
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|       client1.verificationMethods = {
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|         KeyVerificationMethod.emoji,
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|         KeyVerificationMethod.numbers
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|       };
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|       client2.verificationMethods = {
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|         KeyVerificationMethod.emoji,
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|         KeyVerificationMethod.numbers
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|       };
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|     });
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| 
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|     test('Run emoji / number verification', () async {
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|       if (!olmEnabled) return;
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|       // for a full run we test in-room verification in a cleartext room
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|       // because then we can easily intercept the payloads and inject in the other client
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|       FakeMatrixApi.calledEndpoints.clear();
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|       // make sure our master key is *not* verified to not triger SSSS for now
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|       client1.userDeviceKeys[client1.userID].masterKey.setDirectVerified(false);
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|       final req1 =
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|           await client1.userDeviceKeys[client2.userID].startVerification();
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|       var evt = getLastSentEvent(req1);
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|       expect(req1.state, KeyVerificationState.waitingAccept);
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| 
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|       KeyVerification req2;
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|       final sub = client2.onKeyVerificationRequest.stream.listen((req) {
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|         req2 = req;
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|       });
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|       await client2.encryption.keyVerificationManager.handleEventUpdate(evt);
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|       await Future.delayed(Duration(milliseconds: 10));
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|       await sub.cancel();
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|       expect(req2 != null, true);
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| 
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|       // send ready
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|       FakeMatrixApi.calledEndpoints.clear();
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|       await req2.acceptVerification();
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|       evt = getLastSentEvent(req2);
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|       expect(req2.state, KeyVerificationState.waitingAccept);
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| 
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|       // send start
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|       FakeMatrixApi.calledEndpoints.clear();
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|       await client1.encryption.keyVerificationManager.handleEventUpdate(evt);
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|       evt = getLastSentEvent(req1);
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| 
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|       // send accept
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|       FakeMatrixApi.calledEndpoints.clear();
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|       await client2.encryption.keyVerificationManager.handleEventUpdate(evt);
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|       evt = getLastSentEvent(req2);
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| 
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|       // send key
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|       FakeMatrixApi.calledEndpoints.clear();
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|       await client1.encryption.keyVerificationManager.handleEventUpdate(evt);
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|       evt = getLastSentEvent(req1);
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| 
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|       // send key
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|       FakeMatrixApi.calledEndpoints.clear();
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|       await client2.encryption.keyVerificationManager.handleEventUpdate(evt);
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|       evt = getLastSentEvent(req2);
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| 
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|       // receive last key
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|       FakeMatrixApi.calledEndpoints.clear();
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|       await client1.encryption.keyVerificationManager.handleEventUpdate(evt);
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| 
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|       // compare emoji
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|       expect(req1.state, KeyVerificationState.askSas);
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|       expect(req2.state, KeyVerificationState.askSas);
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|       expect(req1.sasTypes[0], 'emoji');
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|       expect(req1.sasTypes[1], 'decimal');
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|       expect(req2.sasTypes[0], 'emoji');
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|       expect(req2.sasTypes[1], 'decimal');
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|       // compare emoji
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|       final emoji1 = req1.sasEmojis;
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|       final emoji2 = req2.sasEmojis;
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|       for (var i = 0; i < 7; i++) {
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|         expect(emoji1[i].emoji, emoji2[i].emoji);
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|         expect(emoji1[i].name, emoji2[i].name);
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|       }
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|       // compare numbers
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|       final numbers1 = req1.sasNumbers;
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|       final numbers2 = req2.sasNumbers;
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|       for (var i = 0; i < 3; i++) {
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|         expect(numbers1[i], numbers2[i]);
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|       }
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| 
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|       // alright, they match
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| 
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|       // send mac
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|       FakeMatrixApi.calledEndpoints.clear();
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|       await req1.acceptSas();
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|       evt = getLastSentEvent(req1);
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|       await client2.encryption.keyVerificationManager.handleEventUpdate(evt);
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|       expect(req1.state, KeyVerificationState.waitingSas);
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| 
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|       // send mac
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|       FakeMatrixApi.calledEndpoints.clear();
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|       await req2.acceptSas();
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|       evt = getLastSentEvent(req2);
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|       await client1.encryption.keyVerificationManager.handleEventUpdate(evt);
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| 
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|       expect(req1.state, KeyVerificationState.done);
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|       expect(req2.state, KeyVerificationState.done);
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|       expect(
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|           client1.userDeviceKeys[client2.userID].deviceKeys[client2.deviceID]
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|               .directVerified,
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|           true);
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|       expect(
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|           client2.userDeviceKeys[client1.userID].deviceKeys[client1.deviceID]
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|               .directVerified,
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|           true);
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|       await client1.encryption.keyVerificationManager.cleanup();
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|       await client2.encryption.keyVerificationManager.cleanup();
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|     });
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| 
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|     test('ask SSSS start', () async {
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|       if (!olmEnabled) return;
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|       client1.userDeviceKeys[client1.userID].masterKey.setDirectVerified(true);
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|       await client1.encryption.ssss.clearCache();
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|       final req1 =
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|           await client1.userDeviceKeys[client2.userID].startVerification();
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|       expect(req1.state, KeyVerificationState.askSSSS);
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|       await req1.openSSSS(recoveryKey: SSSS_KEY);
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|       await Future.delayed(Duration(milliseconds: 10));
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|       expect(req1.state, KeyVerificationState.waitingAccept);
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| 
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|       await req1.cancel();
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|       await client1.encryption.keyVerificationManager.cleanup();
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|     });
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| 
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|     test('ask SSSS end', () async {
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|       if (!olmEnabled) return;
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|       FakeMatrixApi.calledEndpoints.clear();
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|       // make sure our master key is *not* verified to not triger SSSS for now
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|       client1.userDeviceKeys[client1.userID].masterKey.setDirectVerified(false);
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|       // the other one has to have their master key verified to trigger asking for ssss
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|       client2.userDeviceKeys[client2.userID].masterKey.setDirectVerified(true);
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|       final req1 =
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|           await client1.userDeviceKeys[client2.userID].startVerification();
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|       var evt = getLastSentEvent(req1);
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|       expect(req1.state, KeyVerificationState.waitingAccept);
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| 
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|       KeyVerification req2;
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|       final sub = client2.onKeyVerificationRequest.stream.listen((req) {
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|         req2 = req;
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|       });
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|       await client2.encryption.keyVerificationManager.handleEventUpdate(evt);
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|       await Future.delayed(Duration(milliseconds: 10));
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|       await sub.cancel();
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|       expect(req2 != null, true);
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| 
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|       // send ready
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|       FakeMatrixApi.calledEndpoints.clear();
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|       await req2.acceptVerification();
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|       evt = getLastSentEvent(req2);
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|       expect(req2.state, KeyVerificationState.waitingAccept);
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| 
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|       // send start
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|       FakeMatrixApi.calledEndpoints.clear();
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|       await client1.encryption.keyVerificationManager.handleEventUpdate(evt);
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|       evt = getLastSentEvent(req1);
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| 
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|       // send accept
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|       FakeMatrixApi.calledEndpoints.clear();
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|       await client2.encryption.keyVerificationManager.handleEventUpdate(evt);
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|       evt = getLastSentEvent(req2);
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| 
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|       // send key
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|       FakeMatrixApi.calledEndpoints.clear();
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|       await client1.encryption.keyVerificationManager.handleEventUpdate(evt);
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|       evt = getLastSentEvent(req1);
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| 
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|       // send key
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|       FakeMatrixApi.calledEndpoints.clear();
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|       await client2.encryption.keyVerificationManager.handleEventUpdate(evt);
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|       evt = getLastSentEvent(req2);
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| 
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|       // receive last key
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|       FakeMatrixApi.calledEndpoints.clear();
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|       await client1.encryption.keyVerificationManager.handleEventUpdate(evt);
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| 
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|       // compare emoji
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|       expect(req1.state, KeyVerificationState.askSas);
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|       expect(req2.state, KeyVerificationState.askSas);
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|       // compare emoji
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|       final emoji1 = req1.sasEmojis;
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|       final emoji2 = req2.sasEmojis;
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|       for (var i = 0; i < 7; i++) {
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|         expect(emoji1[i].emoji, emoji2[i].emoji);
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|         expect(emoji1[i].name, emoji2[i].name);
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|       }
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|       // compare numbers
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|       final numbers1 = req1.sasNumbers;
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|       final numbers2 = req2.sasNumbers;
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|       for (var i = 0; i < 3; i++) {
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|         expect(numbers1[i], numbers2[i]);
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|       }
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| 
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|       // alright, they match
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|       client1.userDeviceKeys[client1.userID].masterKey.setDirectVerified(true);
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|       await client1.encryption.ssss.clearCache();
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| 
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|       // send mac
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|       FakeMatrixApi.calledEndpoints.clear();
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|       await req1.acceptSas();
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|       evt = getLastSentEvent(req1);
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|       await client2.encryption.keyVerificationManager.handleEventUpdate(evt);
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|       expect(req1.state, KeyVerificationState.waitingSas);
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| 
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|       // send mac
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|       FakeMatrixApi.calledEndpoints.clear();
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|       await req2.acceptSas();
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|       evt = getLastSentEvent(req2);
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|       await client1.encryption.keyVerificationManager.handleEventUpdate(evt);
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| 
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|       expect(req1.state, KeyVerificationState.askSSSS);
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|       expect(req2.state, KeyVerificationState.done);
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| 
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|       await req1.openSSSS(recoveryKey: SSSS_KEY);
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|       await Future.delayed(Duration(milliseconds: 10));
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|       expect(req1.state, KeyVerificationState.done);
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| 
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|       client1.encryption.ssss = MockSSSS(client1.encryption);
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|       (client1.encryption.ssss as MockSSSS).requestedSecrets = false;
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|       await client1.encryption.ssss.clearCache();
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|       await req1.maybeRequestSSSSSecrets();
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|       await Future.delayed(Duration(milliseconds: 10));
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|       expect((client1.encryption.ssss as MockSSSS).requestedSecrets, true);
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|       // delay for 12 seconds to be sure no other tests clear the ssss cache
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|       await Future.delayed(Duration(seconds: 12));
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| 
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|       await client1.encryption.keyVerificationManager.cleanup();
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|       await client2.encryption.keyVerificationManager.cleanup();
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|     });
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| 
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|     test('reject verification', () async {
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|       if (!olmEnabled) return;
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|       FakeMatrixApi.calledEndpoints.clear();
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|       // make sure our master key is *not* verified to not triger SSSS for now
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|       client1.userDeviceKeys[client1.userID].masterKey.setDirectVerified(false);
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|       final req1 =
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|           await client1.userDeviceKeys[client2.userID].startVerification();
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|       var evt = getLastSentEvent(req1);
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|       expect(req1.state, KeyVerificationState.waitingAccept);
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| 
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|       KeyVerification req2;
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|       final sub = client2.onKeyVerificationRequest.stream.listen((req) {
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|         req2 = req;
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|       });
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|       await client2.encryption.keyVerificationManager.handleEventUpdate(evt);
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|       await Future.delayed(Duration(milliseconds: 10));
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|       await sub.cancel();
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| 
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|       FakeMatrixApi.calledEndpoints.clear();
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|       await req2.rejectVerification();
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|       evt = getLastSentEvent(req2);
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|       await client1.encryption.keyVerificationManager.handleEventUpdate(evt);
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|       expect(req1.state, KeyVerificationState.error);
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|       expect(req2.state, KeyVerificationState.error);
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| 
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|       await client1.encryption.keyVerificationManager.cleanup();
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|       await client2.encryption.keyVerificationManager.cleanup();
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|     });
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| 
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|     test('reject sas', () async {
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|       if (!olmEnabled) return;
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|       FakeMatrixApi.calledEndpoints.clear();
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|       // make sure our master key is *not* verified to not triger SSSS for now
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|       client1.userDeviceKeys[client1.userID].masterKey.setDirectVerified(false);
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|       final req1 =
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|           await client1.userDeviceKeys[client2.userID].startVerification();
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|       var evt = getLastSentEvent(req1);
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|       expect(req1.state, KeyVerificationState.waitingAccept);
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| 
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|       KeyVerification req2;
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|       final sub = client2.onKeyVerificationRequest.stream.listen((req) {
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|         req2 = req;
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|       });
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|       await client2.encryption.keyVerificationManager.handleEventUpdate(evt);
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|       await Future.delayed(Duration(milliseconds: 10));
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|       await sub.cancel();
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|       expect(req2 != null, true);
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| 
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|       // send ready
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|       FakeMatrixApi.calledEndpoints.clear();
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|       await req2.acceptVerification();
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|       evt = getLastSentEvent(req2);
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|       expect(req2.state, KeyVerificationState.waitingAccept);
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| 
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|       // send start
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|       FakeMatrixApi.calledEndpoints.clear();
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|       await client1.encryption.keyVerificationManager.handleEventUpdate(evt);
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|       evt = getLastSentEvent(req1);
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| 
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|       // send accept
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|       FakeMatrixApi.calledEndpoints.clear();
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|       await client2.encryption.keyVerificationManager.handleEventUpdate(evt);
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|       evt = getLastSentEvent(req2);
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| 
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|       // send key
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|       FakeMatrixApi.calledEndpoints.clear();
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|       await client1.encryption.keyVerificationManager.handleEventUpdate(evt);
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|       evt = getLastSentEvent(req1);
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| 
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|       // send key
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|       FakeMatrixApi.calledEndpoints.clear();
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|       await client2.encryption.keyVerificationManager.handleEventUpdate(evt);
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|       evt = getLastSentEvent(req2);
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| 
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|       // receive last key
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|       FakeMatrixApi.calledEndpoints.clear();
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|       await client1.encryption.keyVerificationManager.handleEventUpdate(evt);
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| 
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|       await req1.acceptSas();
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|       FakeMatrixApi.calledEndpoints.clear();
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|       await req2.rejectSas();
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|       evt = getLastSentEvent(req2);
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|       await client1.encryption.keyVerificationManager.handleEventUpdate(evt);
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|       expect(req1.state, KeyVerificationState.error);
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|       expect(req2.state, KeyVerificationState.error);
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| 
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|       await client1.encryption.keyVerificationManager.cleanup();
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|       await client2.encryption.keyVerificationManager.cleanup();
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|     });
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| 
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|     test('other device accepted', () async {
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|       if (!olmEnabled) return;
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|       FakeMatrixApi.calledEndpoints.clear();
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|       // make sure our master key is *not* verified to not triger SSSS for now
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|       client1.userDeviceKeys[client1.userID].masterKey.setDirectVerified(false);
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|       final req1 =
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|           await client1.userDeviceKeys[client2.userID].startVerification();
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|       var evt = getLastSentEvent(req1);
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|       expect(req1.state, KeyVerificationState.waitingAccept);
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| 
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|       KeyVerification req2;
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|       final sub = client2.onKeyVerificationRequest.stream.listen((req) {
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|         req2 = req;
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|       });
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|       await client2.encryption.keyVerificationManager.handleEventUpdate(evt);
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|       await Future.delayed(Duration(milliseconds: 10));
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|       await sub.cancel();
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|       expect(req2 != null, true);
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| 
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|       await client2.encryption.keyVerificationManager
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|           .handleEventUpdate(EventUpdate(
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|         content: {
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|           'event_id': req2.transactionId,
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|           'type': 'm.key.verification.ready',
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|           'content': {
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|             'methods': ['m.sas.v1'],
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|             'from_device': 'SOMEOTHERDEVICE',
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|             'm.relates_to': {
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|               'rel_type': 'm.reference',
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|               'event_id': req2.transactionId,
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|             },
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|           },
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|           'origin_server_ts': DateTime.now().millisecondsSinceEpoch,
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|           'sender': client2.userID,
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|         },
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|         type: EventUpdateType.timeline,
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|         roomID: req2.room.id,
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|       ));
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|       expect(req2.state, KeyVerificationState.error);
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| 
 | |
|       await req2.cancel();
 | |
|       await client1.encryption.keyVerificationManager.cleanup();
 | |
|       await client2.encryption.keyVerificationManager.cleanup();
 | |
|     });
 | |
| 
 | |
|     test('dispose client', () async {
 | |
|       if (!olmEnabled) return;
 | |
|       await client1.dispose(closeDatabase: true);
 | |
|       await client2.dispose(closeDatabase: true);
 | |
|     });
 | |
|   });
 | |
| }
 |