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feat: replace encryption util encryption methods with at_chops
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,78 @@ | ||
| import 'package:at_chops/at_chops.dart'; | ||
| import 'package:at_client/src/decryption_service/self_key_decryption.dart'; | ||
| import 'package:at_client/src/encryption_service/self_key_encryption.dart'; | ||
| import 'package:at_commons/at_builders.dart'; | ||
| import 'package:test/test.dart'; | ||
| import 'package:mocktail/mocktail.dart'; | ||
| import 'package:at_client/at_client.dart'; | ||
| import 'package:at_lookup/at_lookup.dart'; | ||
|
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| class MockAtClientImpl extends Mock implements AtClient {} | ||
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| class MockLocalSecondary extends Mock implements LocalSecondary {} | ||
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| class MockRemoteSecondary extends Mock implements RemoteSecondary {} | ||
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| class MockAtLookupImpl extends Mock implements AtLookUp {} | ||
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| class FakeLocalLookUpVerbBuilder extends Fake implements LLookupVerbBuilder {} | ||
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| void main() { | ||
| AtClient mockAtClient = MockAtClientImpl(); | ||
| AtLookUp mockAtLookUp = MockAtLookupImpl(); | ||
| LocalSecondary mockLocalSecondary = MockLocalSecondary(); | ||
| RemoteSecondary mockRemoteSecondary = MockRemoteSecondary(); | ||
| setUp(() { | ||
| reset(mockAtLookUp); | ||
| when(() => mockAtClient.getLocalSecondary()) | ||
| .thenAnswer((_) => mockLocalSecondary); | ||
| when(() => mockAtClient.getRemoteSecondary()) | ||
| .thenAnswer((_) => mockRemoteSecondary); | ||
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|
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| registerFallbackValue(FakeLocalLookUpVerbBuilder()); | ||
| }); | ||
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| test('test to check encryption/decryption of self keys', () async { | ||
| // This test encrypts a self key value and then checks whether decrypted value is same as original value | ||
| // If @alice wants to maintain a location without sharing to anyone then the key-value format will be @alice:location@alice New Jersey | ||
| // @alice uses self encryption AES key generated during onboarding process to encrypt the value. Same key is used for decryption | ||
| var selfKeyEncryption = SelfKeyEncryption(mockAtClient); | ||
| var selfKeyDecryption = SelfKeyDecryption(mockAtClient); | ||
| // generate new AES key for the test | ||
| var aliceSelfEncryptionKey = | ||
| AtChopsUtil.generateSymmetricKey(EncryptionKeyType.aes256).key; | ||
| // set atChops | ||
| AtChopsKeys atChopsKeys = AtChopsKeys.create(null, null); | ||
| atChopsKeys.selfEncryptionKey = AESKey(aliceSelfEncryptionKey); | ||
| var atChopsImpl = AtChopsImpl(atChopsKeys); | ||
| when(() => mockAtClient.atChops).thenAnswer((_) => atChopsImpl); | ||
| when(() => mockLocalSecondary.getEncryptionSelfKey()) | ||
| .thenAnswer((_) => Future.value(aliceSelfEncryptionKey)); | ||
| var selfKey = AtKey() | ||
| ..sharedBy = '@alice' | ||
| ..sharedWith = '@bob' | ||
| ..key = 'location'; | ||
| var location = 'New Jersey'; | ||
| var encryptedValue = await selfKeyEncryption.encrypt(selfKey, location); | ||
| expect(encryptedValue != location, true); | ||
| var decryptionResult = | ||
| await selfKeyDecryption.decrypt(selfKey, encryptedValue); | ||
| expect(decryptionResult, location); | ||
| }); | ||
| test( | ||
| 'test to check self key encryption throws exception when passed value is not string type', | ||
| () async { | ||
| var selfKeyEncryption = SelfKeyEncryption(mockAtClient); | ||
| var selfKey = AtKey() | ||
| ..sharedBy = '@alice' | ||
| ..sharedWith = '@bob' | ||
| ..key = 'location'; | ||
| var locations = ['new jersey', 'new york']; | ||
| expect( | ||
| () async => await selfKeyEncryption.encrypt(selfKey, locations), | ||
| throwsA(predicate((dynamic e) => | ||
| e is AtEncryptionException && | ||
| e.message == | ||
| 'Invalid value type found: List<String>. Valid value type is String'))); | ||
| }); | ||
| } |
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