Files
buzz/mobile/test/features/pairing/pairing_provider_test.dart
Tom Brow f6f6d9a673 chore(mobile): delete dead code with no remaining UI path (#8880)
## Summary

Deletes mobile code that no longer has a user-reachable path and has no
counterpart in buzz-app, so it is unlikely to come back for parity. Net:
104 files, about 5,500 lines removed. No intended behavior change.

- **iOS native message menu and action surface:**
`NativeMessageMenu.swift` and `NativeMessageActionSurface.swift`, the
`message`/`supportsMessage` coordinator branches, and the Dart selection
hook. Dart stopped creating this view in
[#8280](https://github.com/block/buzz/pull/8280). The native reactions
sheet in the same coordinator is kept.
- **Old home quick-actions launcher and `ComposeMorphIcon`:** only
instantiated in tests since the nav-bar creation actions replaced them.
- **Retired local theme stack:** `ThemeNotifier`, `AccentNotifier`,
`SchemeNotifier`, `adaptive_theme.dart`, `AccentPickerPage`, the
appearance-mode sheet and their helpers. These predate per-community
theme sync. The legacy prefs migration in
`community_theme_preference.dart` is kept.
- **Unused widgets:** `ProfileAvatar` and `MaskedAvatarBadge`.
- **Push permission-status plumbing:** the iOS
`notificationAuthorizationStatus`/`openNotificationSettings` handlers,
plus the uncalled strict age-gate snapshot registration and its Swift
`syncAgeGatePushSnapshot` path.
- **Orphaned files** with no importer: `profile_text_edit_sheet`,
`editor_option_button`, `retained_page_transition`,
`tappable_flapping_bee`, `agent_model_info`, `community_bot_profiles`,
`sheet_divider`, `success_haptic`.
- **Uncalled helpers:** the `pickAndUpload*`/camera helpers in
`media_upload.dart`, unused `NostrFilters` builders,
`mediaGetHeadersFor*`, and about 20 other uncalled functions, providers
and styles.
- **Removed-UI leftovers:** the never-wired invite directory providers,
`AuthNotifier.signOut` and `removeActiveCommunityForSignOut` (the Sign
out row is gone), `renameCommunity`,
`HomePage.profilePageBuilder`/`SettingsPage.embedded`, and the
create-forum branches of the create-channel sheet. Forum viewing is
unchanged.

Tests that only covered deleted code are removed. Tests of surviving
code that used deleted helpers as drivers were repointed to the
surviving API.

An audit of `mobile/android` found no dead Kotlin, resources, manifest
entries or Gradle dependencies, so Android code is unchanged.

## Validation

- `flutter analyze`: no issues.
- After rebasing onto main
([93b8b8f](https://github.com/block/buzz/commit/93b8b8febc)), `just
mobile-check` is clean (format and analyze), and `just mobile-test`
passes (4,070 passed, 35 skipped, 0 failed, plus the push-unconfigured
and secp256k1 suites).
- `dart format`: clean.
- Android: `just mobile-build-android` builds the debug APK, and
`./gradlew :app:testDebugUnitTest` passes.
- iOS: `build-for-testing` succeeds and BuzzPushKit `swift test` passes
(65 tests). In RunnerTests, 97 of 98 pass.
`testNativeNavigationTitleExpandsAgainAtTop` fails, but it fails the
same way on unmodified `main` (acf56fff6f) on the same machine (Xcode
27, iPhone 17 Pro simulator), so it is not caused by this change.
- Agent review of the diff ran. Its one blocker (stale `project.pbxproj`
entries for the deleted Swift files) is fixed.
- In-app smoke run at
[66141c1](66141c10b9):
a debug build on a fresh iPhone 17 Pro simulator (iOS 27), signed in to
the internal community. The following flows all worked with no errors:
- Home: the New menu (channel, DM, workspace, chat) and the
create-channel sheet, including its channel-type options.
- A chat, with the message action sheet (reactions row, Reply, Copy
link, Remind me, Mark unread, Copy text, Edit and Delete).
  - Appearance: the previews, and cycling the System and Light modes.
- Settings: the profile header, the display name editor, and Edit photo
(Image and Emoji tabs).
  - The Agents directory.
- Search, including the Channels filter, plus opening a team channel
from the results.
- Tapping a reaction summary, which opens the native iOS Reactions
sheet.
- The recording isn't attached here because it shows internal channels
and messages.

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Signed-off-by: Tom Brow <tomb@squareup.com>
Co-authored-by: Tom Brow <tomb@squareup.com>
Co-authored-by: studio <dc2fc481343672df31a689840c09299972e704dac592e0da6f18486646a7ee3e@buzz.block.builderlab.xyz>
Co-authored-by: Claude Opus 5.5 <noreply@anthropic.com>
2026-11-01 14:09:50 -08:00

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import '../../helpers/controllable_pairing_socket.dart';
import 'package:buzz/features/pairing/pairing_page.dart';
import 'package:buzz/shared/theme/theme.dart';
import 'package:flutter/material.dart';
import 'package:buzz/shared/community/paired_community_landing.dart';
import 'dart:async';
import 'dart:convert';
import 'package:flutter_test/flutter_test.dart';
import 'package:hooks_riverpod/hooks_riverpod.dart';
import 'package:local_auth/local_auth.dart';
import 'package:nostr/nostr.dart' as nostr;
import 'package:buzz/features/pairing/pairing_provider.dart';
import 'package:buzz/features/pairing/pairing_socket.dart';
import 'package:buzz/shared/auth/auth.dart';
import 'package:buzz/shared/relay/relay.dart';
import 'package:buzz/shared/security/sensitive_action_authorizer.dart';
/// Exercises payload validation, credential import, and cancellation across
/// pairing and credential-validation socket lifetimes.
void main() {
group('PairingNotifier', () {
late ProviderContainer container;
late FakeAuthNotifier fakeAuth;
ProviderContainer createContainer() {
fakeAuth = FakeAuthNotifier();
return ProviderContainer(
overrides: [authProvider.overrideWith(() => fakeAuth)],
);
}
tearDown(() => container.dispose());
test(
'reset closes legacy validation and rejects its late success',
() async {
final socket = _PendingValidationSocket();
final auth = FakeAuthNotifier();
final notifier = PairingNotifier(
validationSocketFactory:
({
required wsUrl,
required nsec,
required onMessage,
required onConnected,
required onDisconnected,
}) => socket,
);
container = ProviderContainer(
overrides: [
pairingProvider.overrideWith(() => notifier),
authProvider.overrideWith(() => auth),
],
);
final input = base64Url.encode(
utf8.encode(
jsonEncode({
'relayUrl': 'https://relay.example',
'nsec': 'pending-key',
}),
),
);
final pending = container.read(pairingProvider.notifier).pair(input);
notifier.reset();
expect(socket.disposed, isTrue);
socket.connection.complete();
await pending;
expect(auth.lastCommunity, isNull);
expect(container.read(pairingProvider).status, PairingStatus.idle);
},
);
test(
'legacy validation rejects failed connection before saving, then retries',
() async {
final auth = FakeAuthNotifier();
var connected = false;
final notifier = PairingNotifier(
validationSocketFactory:
({
required wsUrl,
required nsec,
required onMessage,
required onConnected,
required onDisconnected,
}) => _ValidationOutcomeSocket(() => connected),
);
container = ProviderContainer(
overrides: [
pairingProvider.overrideWith(() => notifier),
authProvider.overrideWith(() => auth),
],
);
final input = base64Url.encode(
utf8.encode(
jsonEncode({
'relayUrl': 'https://relay.example',
'nsec': nostr.Keys.generate().nsec,
}),
),
);
await container.read(pairingProvider.notifier).pair(input);
expect(container.read(pairingProvider).status, PairingStatus.error);
expect(auth.lastCommunity, isNull);
connected = true;
await notifier.pair(input);
expect(container.read(pairingProvider).status, PairingStatus.success);
expect(auth.lastCommunity, isNotNull);
},
);
test('starts in idle state', () {
container = createContainer();
final state = container.read(pairingProvider);
expect(state.status, PairingStatus.idle);
expect(state.errorMessage, isNull);
});
test(
'disconnect during connect does not null-dereference the socket',
() async {
final notifier = PairingNotifier(
socketFactory:
({
required wsUrl,
required ephemeralPrivkey,
required onMessage,
required void Function(Object? error) onDisconnected,
}) => _DisconnectingSocket(disconnectCallback: onDisconnected),
);
container = ProviderContainer(
overrides: [pairingProvider.overrideWith(() => notifier)],
);
const code =
'nostrpair://62287897da61e3fa294b4570575f7db8bea147d6631150f2e4656714c645fb1e'
'?secret=abcdef0123456789abcdef0123456789abcdef0123456789abcdef0123456789'
'&relay=wss%3A%2F%2Fpairing.buzz.xyz&v=1';
await container.read(pairingProvider.notifier).pair(code);
expect(container.read(pairingProvider).status, PairingStatus.error);
expect(
container.read(pairingProvider).errorMessage,
contains('Lost connection to pairing relay'),
);
},
);
test('payload missing nsec errors before contacting relay', () async {
container = createContainer();
// Valid payload shape but no nsec — provider should refuse without
// attempting any network call.
final code = _encodePairingCode();
await container.read(pairingProvider.notifier).pair(code);
final state = container.read(pairingProvider);
expect(state.status, PairingStatus.error);
expect(state.errorMessage, contains('missing nsec'));
expect(fakeAuth.lastCommunity, isNull);
});
test('accepts buzz scheme prefix', () async {
container = createContainer();
final code = 'buzz://${_encodePairingCode()}';
await container.read(pairingProvider.notifier).pair(code);
final state = container.read(pairingProvider);
expect(state.status, PairingStatus.error);
expect(state.errorMessage, contains('missing nsec'));
expect(fakeAuth.lastCommunity, isNull);
});
test('invalid base64 sets format error', () async {
container = createContainer();
await container.read(pairingProvider.notifier).pair('not-valid!!!');
final state = container.read(pairingProvider);
expect(state.status, PairingStatus.error);
expect(state.errorMessage, contains('Invalid pairing code'));
});
test('base64 with valid JSON but missing fields errors', () async {
container = createContainer();
final code = base64Url.encode(utf8.encode(jsonEncode({'foo': 'bar'})));
await container.read(pairingProvider.notifier).pair(code);
final state = container.read(pairingProvider);
expect(state.status, PairingStatus.error);
expect(state.errorMessage, contains('Missing relayUrl'));
});
test('empty input errors', () async {
container = createContainer();
await container.read(pairingProvider.notifier).pair('');
final state = container.read(pairingProvider);
expect(state.status, PairingStatus.error);
});
test('rejects private IP relay URLs (SSRF)', () async {
container = createContainer();
for (final ip in [
'10.0.0.1',
'172.16.0.1',
'192.168.1.1',
'169.254.169.254',
]) {
final code = _encodePairingCode(relayUrl: 'http://$ip:3000');
await container.read(pairingProvider.notifier).pair(code);
final state = container.read(pairingProvider);
expect(state.status, PairingStatus.error, reason: 'should reject $ip');
expect(state.errorMessage, contains('private network'));
container.read(pairingProvider.notifier).reset();
}
});
test('rejects non-http/https schemes', () async {
container = createContainer();
final code = _encodePairingCode(relayUrl: 'file:///etc/passwd');
await container.read(pairingProvider.notifier).pair(code);
final state = container.read(pairingProvider);
expect(state.status, PairingStatus.error);
expect(state.errorMessage, contains('Invalid pairing code'));
});
test('rejects JSON array payload', () async {
container = createContainer();
final code = base64Url.encode(utf8.encode(jsonEncode([1, 2, 3])));
await container.read(pairingProvider.notifier).pair(code);
final state = container.read(pairingProvider);
expect(state.status, PairingStatus.error);
expect(state.errorMessage, contains('not a JSON object'));
});
test('reset returns to idle from error state', () async {
container = createContainer();
// Trigger an error.
await container.read(pairingProvider.notifier).pair('not-valid!!!');
expect(container.read(pairingProvider).status, PairingStatus.error);
container.read(pairingProvider.notifier).reset();
expect(container.read(pairingProvider).status, PairingStatus.idle);
});
group('identity import protection', () {
const sourceSecret =
'09b3065e3570a3a4054660dccd66e12774a99a904fdb0ca02dbc6c3136249506';
const sessionSecretHex =
'abcdef0123456789abcdef0123456789abcdef0123456789abcdef0123456789';
late ControllablePairingSocket socket;
late PairingNotifier notifier;
late FakeAuthNotifier importAuth;
late _FakeSensitiveActionAuthorizer authorizer;
late Completer<void> validation;
late String pairingCode;
setUp(() {
final source = nostr.Keys(sourceSecret);
pairingCode =
'nostrpair://${source.public}'
'?secret=$sessionSecretHex'
'&relay=wss%3A%2F%2Fpairing.buzz.xyz&v=1';
validation = Completer<void>();
importAuth = FakeAuthNotifier();
authorizer = _FakeSensitiveActionAuthorizer();
notifier = PairingNotifier(
credentialValidator:
({required String relayUrl, required String? nsec}) =>
validation.future,
socketFactory:
({
required wsUrl,
required ephemeralPrivkey,
required onMessage,
required onDisconnected,
}) {
socket = ControllablePairingSocket(
ephemeralPrivkey: ephemeralPrivkey,
onMessage: onMessage,
onDisconnected: onDisconnected,
);
return socket;
},
);
container = ProviderContainer(
overrides: [
pairingProvider.overrideWith(() => notifier),
authProvider.overrideWith(() => importAuth),
sensitiveActionAuthorizerProvider.overrideWithValue(authorizer),
],
);
container.read(pairingProvider);
notifier = container.read(pairingProvider.notifier);
});
Future<void> beginImport({required bool protected}) async {
await notifier.pair(pairingCode);
notifier.setProtectSensitiveActions(protected);
notifier.confirmSas();
socket.sendSourceMessage(
sourceSecret: sourceSecret,
sessionSecretHex: sessionSecretHex,
message: {'type': 'sas-confirm'},
includeTranscriptHash: true,
);
await Future<void>.delayed(Duration.zero);
if (protected && authorizer.result != DeviceAuthResult.success) return;
socket.sendSourceMessage(
sourceSecret: sourceSecret,
sessionSecretHex: sessionSecretHex,
message: {
'type': 'payload',
'payload_type': 'credentials',
'payload': jsonEncode({
'relayUrl': 'https://relay.test',
'pubkey': nostr.Keys(sourceSecret).public,
'nsec': nostr.Keys(sourceSecret).nsec,
}),
},
);
await Future<void>.delayed(Duration.zero);
expect(container.read(pairingProvider).status, PairingStatus.storing);
}
testWidgets('early input is submitted when desktop negotiation arrives', (
tester,
) async {
final pairing = notifier.pair(pairingCode);
await tester.pump();
await tester.pump(const Duration(milliseconds: 500));
await pairing;
await tester.pumpWidget(
UncontrolledProviderScope(
container: container,
child: MaterialApp(
theme: AppTheme.light(),
home: const PairingPage(),
),
),
);
final localCode = container.read(pairingProvider).sasCode;
final code = localCode == '111111' ? '222222' : '111111';
await tester.enterText(
find.byKey(const Key('pairing-code-input')),
code,
);
await tester.pump();
expect(
socket
.decryptedPublishedMessages(sourceSecret)
.where((m) => m['type'] == 'code-submit'),
isEmpty,
);
socket.sendSourceMessage(
sourceSecret: sourceSecret,
sessionSecretHex: sessionSecretHex,
message: {'type': 'desktop-code'},
);
await tester.pump();
await tester.pump();
final submissions = socket
.decryptedPublishedMessages(sourceSecret)
.where((m) => m['type'] == 'code-submit')
.toList();
expect(submissions, hasLength(1));
expect(submissions.single['code'], code);
socket.sendSourceMessage(
sourceSecret: sourceSecret,
sessionSecretHex: sessionSecretHex,
message: {'type': 'sas-confirm'},
includeTranscriptHash: true,
);
await tester.pump();
expect(find.text('Enter pairing code'), findsNothing);
expect(find.text('Protect your identity'), findsOneWidget);
notifier.reset();
await tester.pumpWidget(const SizedBox.shrink());
});
testWidgets(
'delayed desktop responses retain one attempt and leave code entry',
(tester) async {
final pairing = notifier.pair(pairingCode);
await tester.pump();
await tester.pump(const Duration(milliseconds: 500));
await pairing;
expect(socket.published.single['tags'], hasLength(1));
expect(
socket
.decryptedPublishedMessages(sourceSecret)
.single['confirmation'],
'desktop-code-v1',
);
socket.sendSourceMessage(
sourceSecret: sourceSecret,
sessionSecretHex: sessionSecretHex,
message: {'type': 'desktop-code'},
);
expect(container.read(pairingProvider).requiresDesktopCode, isTrue);
final wrong = notifier.verifyDesktopCode('111111');
final first = socket.decryptedPublishedMessages(sourceSecret).last;
expect(first['type'], 'code-submit');
expect(first['code'], '111111');
bool? wrongResult;
unawaited(wrong.then((value) => wrongResult = value));
await tester.pump(const Duration(seconds: 11));
expect(wrongResult, isNull);
expect(await notifier.verifyDesktopCode('111111'), isFalse);
expect(
socket
.decryptedPublishedMessages(sourceSecret)
.where((m) => m['type'] == 'code-submit'),
hasLength(1),
);
socket.sendSourceMessage(
sourceSecret: sourceSecret,
sessionSecretHex: sessionSecretHex,
message: {
'type': 'code-rejected',
'request_id': first['request_id'],
'remaining_attempts': 4,
},
);
expect(await wrong, isFalse);
expect(importAuth.lastCommunity, isNull);
await tester.pumpWidget(
UncontrolledProviderScope(
container: container,
child: MaterialApp(
theme: AppTheme.light(),
home: const PairingPage(),
),
),
);
await tester.enterText(
find.byKey(const Key('pairing-code-input')),
'222222',
);
await tester.pump(const Duration(seconds: 11));
expect(find.text('Enter pairing code'), findsOneWidget);
expect(
find.text('Couldn’t check the code. Try again.'),
findsNothing,
);
expect(
socket
.decryptedPublishedMessages(sourceSecret)
.where((m) => m['type'] == 'code-submit'),
hasLength(2),
);
socket.sendSourceMessage(
sourceSecret: sourceSecret,
sessionSecretHex: sessionSecretHex,
message: {'type': 'sas-confirm'},
includeTranscriptHash: true,
);
socket.sendSourceMessage(
sourceSecret: sourceSecret,
sessionSecretHex: sessionSecretHex,
message: {
'type': 'payload',
'payload_type': 'credentials',
'payload': jsonEncode({
'relayUrl': 'https://relay.test',
'pubkey': nostr.Keys(sourceSecret).public,
'nsec': nostr.Keys(sourceSecret).nsec,
}),
},
);
await tester.pump();
expect(find.text('Enter pairing code'), findsNothing);
expect(find.text('Protect your identity'), findsOneWidget);
expect(
container.read(pairingProvider).status,
PairingStatus.confirmingSas,
);
expect(importAuth.lastCommunity, isNull);
notifier.setProtectSensitiveActions(false);
notifier.confirmSas();
await tester.pump();
expect(container.read(pairingProvider).status, PairingStatus.storing);
expect(
socket
.decryptedPublishedMessages(sourceSecret)
.where((m) => m['type'] == 'sas-confirm'),
isEmpty,
);
notifier.reset();
await tester.pumpWidget(const SizedBox.shrink());
},
);
testWidgets(
'delayed final rejection exits the session and reset cancels pending verification',
(tester) async {
final pairing = notifier.pair(pairingCode);
await tester.pump();
await tester.pump(const Duration(milliseconds: 500));
await pairing;
socket.sendSourceMessage(
sourceSecret: sourceSecret,
sessionSecretHex: sessionSecretHex,
message: {'type': 'desktop-code'},
);
final result = notifier.verifyDesktopCode('111111');
final request = socket.decryptedPublishedMessages(sourceSecret).last;
await tester.pump(const Duration(seconds: 11));
socket.sendSourceMessage(
sourceSecret: sourceSecret,
sessionSecretHex: sessionSecretHex,
message: {
'type': 'code-rejected',
'request_id': request['request_id'],
'remaining_attempts': 0,
},
);
expect(await result, isFalse);
expect(container.read(pairingProvider).status, PairingStatus.error);
expect(importAuth.lastCommunity, isNull);
notifier.reset();
final nextPairing = notifier.pair(pairingCode);
await tester.pump();
await tester.pump(const Duration(milliseconds: 500));
await nextPairing;
socket.sendSourceMessage(
sourceSecret: sourceSecret,
sessionSecretHex: sessionSecretHex,
message: {'type': 'desktop-code'},
);
final pending = notifier.verifyDesktopCode('222222');
notifier.reset();
expect(await pending, isFalse);
expect(container.read(pairingProvider).status, PairingStatus.idle);
},
);
test(
'a rejected offer exits code entry instead of silently waiting',
() async {
await notifier.pair(pairingCode);
socket.relayMessageCallback([
'OK',
socket.published.single['id'],
false,
'event must have exactly one p tag',
]);
expect(container.read(pairingProvider).status, PairingStatus.error);
expect(
container.read(pairingProvider).errorMessage,
contains('Scan a new desktop QR code'),
);
expect(socket.isConnected, isFalse);
},
);
test('admission rejection never reports a successful transfer', () async {
importAuth.authentication = Completer<void>();
importAuth.entered = Completer<void>();
final finished = Completer<void>();
container.listen(pairingProvider, (_, next) {
if (next.status == PairingStatus.error && !finished.isCompleted) {
finished.complete();
}
});
await beginImport(protected: false);
validation.complete();
await importAuth.entered!.future;
expect(
socket
.decryptedPublishedMessages(sourceSecret)
.where((message) => message['type'] == 'complete'),
isEmpty,
);
importAuth.authentication!.completeError(
StateError('Admission refused'),
);
await finished.future;
final completions = socket
.decryptedPublishedMessages(sourceSecret)
.where((message) => message['type'] == 'complete')
.toList();
expect(completions, hasLength(1));
expect(completions.single['success'], isFalse);
expect(container.read(pairedCommunityLandingProvider), isNull);
});
test('unchecked protection persists on a successful import', () async {
await beginImport(protected: false);
validation.complete();
await Future<void>.delayed(Duration.zero);
expect(
importAuth.lastCommunity?.sensitiveActionPolicy,
SensitiveActionPolicy.disabledByUser,
);
expect(container.read(pairingProvider).status, PairingStatus.success);
expect(
container.read(pairedCommunityLandingProvider),
importAuth.lastCommunity,
);
});
test('checked protection persists on a successful import', () async {
await beginImport(protected: true);
expect(authorizer.calls, 1);
validation.complete();
await Future<void>.delayed(Duration.zero);
expect(
importAuth.lastCommunity?.sensitiveActionPolicy,
SensitiveActionPolicy.enabled,
);
});
test('unenrolled biometrics prevent a protected import', () async {
authorizer.result = DeviceAuthResult.unavailable;
await beginImport(protected: true);
final state = container.read(pairingProvider);
expect(authorizer.calls, 1);
expect(state.status, PairingStatus.confirmingSas);
expect(state.userConfirmedSas, isFalse);
expect(state.errorMessage, contains('Enroll Face ID or biometrics'));
expect(importAuth.lastCommunity, isNull);
expect(
socket
.decryptedPublishedMessages(sourceSecret)
.any((message) => message['type'] == 'complete'),
isFalse,
);
});
test('reset during NIP-AB connection retires its continuation', () async {
final pending = notifier.pair(pairingCode);
notifier.reset();
await pending;
expect(container.read(pairingProvider).status, PairingStatus.idle);
expect(socket.isConnected, isFalse);
expect(socket.decryptedPublishedMessages(sourceSecret), isEmpty);
});
test('reset during NIP-AB offer delay prevents a late offer', () async {
final pending = notifier.pair(pairingCode);
await Future<void>.delayed(Duration.zero);
notifier.reset();
await pending;
expect(container.read(pairingProvider).status, PairingStatus.idle);
expect(socket.isConnected, isFalse);
expect(socket.decryptedPublishedMessages(sourceSecret), isEmpty);
});
test('stale biometric approval cannot advance a reset import', () async {
final pendingAuthorization = Completer<DeviceAuthResult>();
authorizer.pending = pendingAuthorization;
await notifier.pair(pairingCode);
notifier.setProtectSensitiveActions(true);
notifier.confirmSas();
socket.sendSourceMessage(
sourceSecret: sourceSecret,
sessionSecretHex: sessionSecretHex,
message: {'type': 'sas-confirm'},
includeTranscriptHash: true,
);
await Future<void>.delayed(Duration.zero);
expect(authorizer.calls, 1);
notifier.reset();
pendingAuthorization.complete(DeviceAuthResult.success);
await Future<void>.delayed(Duration.zero);
expect(container.read(pairingProvider).status, PairingStatus.idle);
expect(importAuth.lastCommunity, isNull);
expect(
socket
.decryptedPublishedMessages(sourceSecret)
.any((message) => message['type'] == 'complete'),
isFalse,
);
});
test('reset invalidates pending authentication persistence', () async {
importAuth.authentication = Completer<void>();
await beginImport(protected: false);
validation.complete();
await Future<void>.delayed(Duration.zero);
expect(importAuth.lastCommunity, isNotNull);
notifier.reset();
importAuth.authentication!.complete();
await Future<void>.delayed(Duration.zero);
expect(container.read(pairingProvider).status, PairingStatus.idle);
expect(
container.read(authProvider).value!.status,
AuthStatus.unauthenticated,
);
expect(socket.isConnected, isFalse);
});
test('reset invalidates pending credential validation', () async {
await beginImport(protected: false);
notifier.reset();
validation.complete();
await Future<void>.delayed(Duration.zero);
expect(importAuth.lastCommunity, isNull);
expect(container.read(pairingProvider).status, PairingStatus.idle);
expect(
socket
.decryptedPublishedMessages(sourceSecret)
.any((message) => message['type'] == 'complete'),
isFalse,
);
});
});
group('desktop identity recovery', () {
const sourceSecret =
'09b3065e3570a3a4054660dccd66e12774a99a904fdb0ca02dbc6c3136249506';
const sessionSecretHex =
'abcdef0123456789abcdef0123456789abcdef0123456789abcdef0123456789';
late ControllablePairingSocket socket;
late PairingNotifier notifier;
late String recoveryCode;
late _FakeSensitiveActionAuthorizer authorizer;
late DateTime now;
setUp(() async {
final source = nostr.Keys(sourceSecret);
recoveryCode =
'nostrpair://${source.public}'
'?secret=$sessionSecretHex'
'&relay=wss%3A%2F%2Fpairing.buzz.xyz&v=1&mode=recover';
authorizer = _FakeSensitiveActionAuthorizer();
now = DateTime.utc(2026, 8, 6);
notifier = PairingNotifier(
socketFactory:
({
required wsUrl,
required ephemeralPrivkey,
required onMessage,
required onDisconnected,
}) {
socket = ControllablePairingSocket(
ephemeralPrivkey: ephemeralPrivkey,
onMessage: onMessage,
onDisconnected: onDisconnected,
);
return socket;
},
);
container = ProviderContainer(
overrides: [
pairingProvider.overrideWith(() => notifier),
relayConfigProvider.overrideWith(_RecoveryRelayConfig.new),
sensitiveActionAuthorizerProvider.overrideWithValue(authorizer),
identityExportClockProvider.overrideWithValue(() => now),
],
);
container.read(pairingProvider);
notifier = container.read(pairingProvider.notifier);
});
test('recovery authorization honors biometric protection', () async {
expect(
await notifier.authorizeIdentityExport(
community: _exportCommunity(SensitiveActionPolicy.enabled),
),
isTrue,
);
expect(authorizer.calls, 1);
expect(authorizer.lastIdentityBiometricOnly, isTrue);
await notifier.pair(recoveryCode);
final state = container.read(pairingProvider);
expect(state.status, PairingStatus.confirmingSas);
expect(state.sendsIdentityToDesktop, isTrue);
expect(
socket.published.first['tags'],
isNot(contains(equals(['confirmation', 'code-entry']))),
);
notifier.confirmSas();
expect(
socket.decryptedPublishedMessages(sourceSecret).map((m) => m['type']),
['offer'],
);
expect(state.sasCode, hasLength(6));
});
test('reset invalidates pending preflight authorization', () async {
final pendingAuthorization = Completer<DeviceAuthResult>();
authorizer.pending = pendingAuthorization;
final authorization = notifier.authorizeIdentityExport(
community: _exportCommunity(SensitiveActionPolicy.disabledByUser),
);
expect(container.read(pairingProvider).authorizationInProgress, isTrue);
notifier.reset();
pendingAuthorization.complete(DeviceAuthResult.success);
expect(await authorization, isFalse);
expect(container.read(pairingProvider).status, PairingStatus.idle);
await notifier.pair(recoveryCode);
notifier.confirmSas();
socket.sendSourceMessage(
sourceSecret: sourceSecret,
sessionSecretHex: sessionSecretHex,
message: {'type': 'sas-confirm'},
includeTranscriptHash: true,
);
await Future<void>.delayed(Duration.zero);
expect(
socket
.decryptedPublishedMessages(sourceSecret)
.any((message) => message['type'] == 'payload'),
isFalse,
);
});
test('concurrent preflight requests start one authentication', () async {
final pendingAuthorization = Completer<DeviceAuthResult>();
authorizer.pending = pendingAuthorization;
final community = _exportCommunity(
SensitiveActionPolicy.disabledByUser,
);
final first = notifier.authorizeIdentityExport(community: community);
final second = notifier.authorizeIdentityExport(community: community);
expect(await second, isFalse);
expect(authorizer.calls, 1);
pendingAuthorization.complete(DeviceAuthResult.success);
expect(await first, isTrue);
});
test('unchecked protection allows device passcode fallback', () async {
expect(
await notifier.authorizeIdentityExport(
community: _exportCommunity(SensitiveActionPolicy.disabledByUser),
),
isTrue,
);
expect(authorizer.lastIdentityBiometricOnly, isFalse);
});
for (final padded in [false, true]) {
test(
'matching SAS exports normalized nsec (padded: $padded)',
() async {
final community =
_exportCommunity(SensitiveActionPolicy.disabledByUser).copyWith(
nsec: padded
? ' \n${_RecoveryRelayConfig.nsec}\t '
: _RecoveryRelayConfig.nsec,
);
container
.read(relayConfigProvider.notifier)
.update(baseUrl: community.relayUrl, nsec: community.nsec);
expect(
await notifier.authorizeIdentityExport(community: community),
isTrue,
);
await notifier.pair(recoveryCode);
notifier.confirmSas();
expect(container.read(pairingProvider).userConfirmedSas, isTrue);
socket.sendSourceMessage(
sourceSecret: sourceSecret,
sessionSecretHex: sessionSecretHex,
message: {'type': 'sas-confirm'},
includeTranscriptHash: true,
);
await Future<void>.delayed(Duration.zero);
expect(
container.read(pairingProvider).status,
PairingStatus.transferring,
);
expect(container.read(pairingProvider).errorMessage, isNull);
expect(authorizer.calls, 1);
final sentMessages = socket.decryptedPublishedMessages(
sourceSecret,
);
final payloads = sentMessages.where(
(message) => message['type'] == 'payload',
);
expect(payloads, hasLength(1));
expect(payloads.single['payload_type'], 'nsec');
expect(payloads.single['payload'], _RecoveryRelayConfig.nsec);
socket.sendSourceMessage(
sourceSecret: sourceSecret,
sessionSecretHex: sessionSecretHex,
message: {'type': 'complete', 'success': true},
);
expect(
container.read(pairingProvider).status,
PairingStatus.success,
);
},
);
}
test(
'malformed payload invalidates authorization before another session',
() async {
expect(
await notifier.authorizeIdentityExport(
community: _exportCommunity(SensitiveActionPolicy.disabledByUser),
),
isTrue,
);
await notifier.pair(recoveryCode);
notifier.confirmSas();
socket.sendSourceMessage(
sourceSecret: sourceSecret,
sessionSecretHex: sessionSecretHex,
message: {'type': 'sas-confirm'},
includeTranscriptHash: true,
);
await Future<void>.delayed(Duration.zero);
socket.sendSourceMessage(
sourceSecret: sourceSecret,
sessionSecretHex: sessionSecretHex,
message: {'type': 'payload', 'payload_type': 'nsec'},
);
expect(container.read(pairingProvider).status, PairingStatus.error);
await notifier.pair(recoveryCode);
final replacementSocket = socket;
notifier.confirmSas();
replacementSocket.sendSourceMessage(
sourceSecret: sourceSecret,
sessionSecretHex: sessionSecretHex,
message: {'type': 'sas-confirm'},
includeTranscriptHash: true,
);
await Future<void>.delayed(Duration.zero);
final state = container.read(pairingProvider);
expect(state.status, PairingStatus.confirmingSas);
expect(state.userConfirmedSas, isFalse);
expect(state.errorMessage, contains('active community changed'));
expect(authorizer.calls, 1);
expect(
replacementSocket
.decryptedPublishedMessages(sourceSecret)
.any((message) => message['type'] == 'payload'),
isFalse,
);
},
);
test('skipped preflight authorization sends no identity', () async {
await notifier.pair(recoveryCode);
notifier.confirmSas();
socket.sendSourceMessage(
sourceSecret: sourceSecret,
sessionSecretHex: sessionSecretHex,
message: {'type': 'sas-confirm'},
includeTranscriptHash: true,
);
await Future<void>.delayed(Duration.zero);
final state = container.read(pairingProvider);
expect(authorizer.calls, 0);
expect(state.status, PairingStatus.confirmingSas);
expect(state.userConfirmedSas, isFalse);
expect(state.errorMessage, contains('active community changed'));
expect(
socket
.decryptedPublishedMessages(sourceSecret)
.any((message) => message['type'] == 'payload'),
isFalse,
);
});
test(
'failed transfer reauthorization publishes no identity payload',
() async {
expect(
await notifier.authorizeIdentityExport(
community: _exportCommunity(SensitiveActionPolicy.disabledByUser),
),
isTrue,
);
await notifier.pair(recoveryCode);
now = now.add(identityExportAuthorizationTtl);
authorizer.result = DeviceAuthResult.cancelled;
notifier.confirmSas();
socket.sendSourceMessage(
sourceSecret: sourceSecret,
sessionSecretHex: sessionSecretHex,
message: {'type': 'sas-confirm'},
includeTranscriptHash: true,
);
await Future<void>.delayed(Duration.zero);
expect(authorizer.calls, 2);
final state = container.read(pairingProvider);
expect(state.status, PairingStatus.confirmingSas);
expect(state.userConfirmedSas, isFalse);
expect(state.errorMessage, contains('cancelled'));
final sentMessages = socket.decryptedPublishedMessages(sourceSecret);
expect(
sentMessages.any((message) => message['type'] == 'payload'),
isFalse,
);
},
);
test(
'stale authorization cannot advance a replacement pairing session',
() async {
expect(
await notifier.authorizeIdentityExport(
community: _exportCommunity(SensitiveActionPolicy.disabledByUser),
),
isTrue,
);
await notifier.pair(recoveryCode);
now = now.add(identityExportAuthorizationTtl);
final firstSocket = socket;
final pendingAuthorization = Completer<DeviceAuthResult>();
authorizer.pending = pendingAuthorization;
notifier.confirmSas();
firstSocket.sendSourceMessage(
sourceSecret: sourceSecret,
sessionSecretHex: sessionSecretHex,
message: {'type': 'sas-confirm'},
includeTranscriptHash: true,
);
await Future<void>.delayed(Duration.zero);
expect(authorizer.calls, 2);
notifier.reset();
await notifier.pair(recoveryCode);
final replacementSocket = socket;
expect(
container.read(pairingProvider).status,
PairingStatus.confirmingSas,
);
expect(container.read(pairingProvider).userConfirmedSas, isFalse);
pendingAuthorization.complete(DeviceAuthResult.success);
await Future<void>.delayed(Duration.zero);
final state = container.read(pairingProvider);
expect(state.status, PairingStatus.confirmingSas);
expect(state.userConfirmedSas, isFalse);
for (final pairingSocket in [firstSocket, replacementSocket]) {
final sentMessages = pairingSocket.decryptedPublishedMessages(
sourceSecret,
);
expect(
sentMessages.any((message) => message['type'] == 'payload'),
isFalse,
);
}
},
);
test('clock rollback invalidates the export authorization', () async {
expect(
await notifier.authorizeIdentityExport(
community: _exportCommunity(SensitiveActionPolicy.disabledByUser),
),
isTrue,
);
await notifier.pair(recoveryCode);
now = now.subtract(const Duration(minutes: 1));
notifier.confirmSas();
socket.sendSourceMessage(
sourceSecret: sourceSecret,
sessionSecretHex: sessionSecretHex,
message: {'type': 'sas-confirm'},
includeTranscriptHash: true,
);
await Future<void>.delayed(Duration.zero);
expect(authorizer.calls, 2);
expect(
container.read(pairingProvider).status,
PairingStatus.transferring,
);
});
test(
'websocket relay origin remains bound after canonicalization',
() async {
final community = _exportCommunity(
SensitiveActionPolicy.disabledByUser,
).copyWith(relayUrl: 'wss://relay.test');
container
.read(relayConfigProvider.notifier)
.update(baseUrl: community.relayUrl, nsec: community.nsec);
expect(
await notifier.authorizeIdentityExport(community: community),
isTrue,
);
await notifier.pair(recoveryCode);
notifier.confirmSas();
socket.sendSourceMessage(
sourceSecret: sourceSecret,
sessionSecretHex: sessionSecretHex,
message: {'type': 'sas-confirm'},
includeTranscriptHash: true,
);
await Future<void>.delayed(Duration.zero);
expect(
container.read(pairingProvider).status,
PairingStatus.transferring,
);
expect(
socket
.decryptedPublishedMessages(sourceSecret)
.any(
(message) =>
message['type'] == 'payload' &&
message['payload'] == community.nsec,
),
isTrue,
);
},
);
for (final change in ['community', 'key']) {
for (final expired in [false, true]) {
test(
'$change switch aborts ${expired ? 'expired' : 'fresh'} export grant',
() async {
expect(
await notifier.authorizeIdentityExport(
community: _exportCommunity(
SensitiveActionPolicy.disabledByUser,
),
),
isTrue,
);
await notifier.pair(recoveryCode);
if (expired) now = now.add(identityExportAuthorizationTtl);
container
.read(relayConfigProvider.notifier)
.update(
baseUrl: change == 'community'
? 'https://other-relay.test'
: 'https://relay.test',
nsec: change == 'community'
? _RecoveryRelayConfig.nsec
: nostr.Keys(
'2222222222222222222222222222222222222222222222222222222222222222',
).nsec,
);
notifier.confirmSas();
socket.sendSourceMessage(
sourceSecret: sourceSecret,
sessionSecretHex: sessionSecretHex,
message: {'type': 'sas-confirm'},
includeTranscriptHash: true,
);
await Future<void>.delayed(Duration.zero);
final state = container.read(pairingProvider);
expect(state.status, PairingStatus.confirmingSas);
expect(state.userConfirmedSas, isFalse);
expect(state.errorMessage, contains('active community changed'));
expect(authorizer.calls, 1);
expect(
socket
.decryptedPublishedMessages(sourceSecret)
.any((message) => message['type'] == 'payload'),
isFalse,
);
},
);
}
}
test('expired biometric-only authorization preserves its mode', () async {
expect(
await notifier.authorizeIdentityExport(
community: _exportCommunity(SensitiveActionPolicy.enabled),
),
isTrue,
);
await notifier.pair(recoveryCode);
now = now.add(identityExportAuthorizationTtl);
notifier.confirmSas();
socket.sendSourceMessage(
sourceSecret: sourceSecret,
sessionSecretHex: sessionSecretHex,
message: {'type': 'sas-confirm'},
includeTranscriptHash: true,
);
await Future<void>.delayed(Duration.zero);
expect(authorizer.calls, 2);
expect(authorizer.lastIdentityBiometricOnly, isTrue);
expect(
container.read(pairingProvider).status,
PairingStatus.transferring,
);
});
test(
'expired passcode-fallback authorization preserves its mode',
() async {
expect(
await notifier.authorizeIdentityExport(
community: _exportCommunity(SensitiveActionPolicy.disabledByUser),
),
isTrue,
);
await notifier.pair(recoveryCode);
now = now.add(identityExportAuthorizationTtl);
notifier.confirmSas();
socket.sendSourceMessage(
sourceSecret: sourceSecret,
sessionSecretHex: sessionSecretHex,
message: {'type': 'sas-confirm'},
includeTranscriptHash: true,
);
await Future<void>.delayed(Duration.zero);
expect(authorizer.calls, 2);
expect(authorizer.lastIdentityBiometricOnly, isFalse);
expect(
container.read(pairingProvider).status,
PairingStatus.transferring,
);
},
);
test('cancelled authorization prevents pairing from starting', () async {
authorizer.result = DeviceAuthResult.cancelled;
expect(
await notifier.authorizeIdentityExport(
community: _exportCommunity(SensitiveActionPolicy.disabledByUser),
),
isFalse,
);
expect(authorizer.calls, 1);
expect(container.read(pairingProvider).status, PairingStatus.idle);
expect(
container.read(pairingProvider).errorMessage,
contains('cancelled'),
);
});
test('desktop storage failure surfaces an error', () async {
expect(
await notifier.authorizeIdentityExport(
community: _exportCommunity(SensitiveActionPolicy.disabledByUser),
),
isTrue,
);
await notifier.pair(recoveryCode);
notifier.confirmSas();
socket.sendSourceMessage(
sourceSecret: sourceSecret,
sessionSecretHex: sessionSecretHex,
message: {'type': 'sas-confirm'},
includeTranscriptHash: true,
);
await Future<void>.delayed(Duration.zero);
socket.sendSourceMessage(
sourceSecret: sourceSecret,
sessionSecretHex: sessionSecretHex,
message: {'type': 'complete', 'success': false},
);
final state = container.read(pairingProvider);
expect(state.status, PairingStatus.error);
expect(state.errorMessage, contains('could not store'));
});
});
});
}
/// Encode a credentials payload the same way the desktop app would.
String _encodePairingCode({
String relayUrl = 'http://test:3000',
String? pubkey,
String? nsec,
}) {
final json = <String, dynamic>{
'relayUrl': relayUrl,
// ignore: use_null_aware_elements
if (pubkey != null) 'pubkey': pubkey,
// ignore: use_null_aware_elements
if (nsec != null) 'nsec': nsec,
};
return base64Url.encode(utf8.encode(jsonEncode(json)));
}
/// A fake [AuthNotifier] that records calls instead of touching secure storage.
class FakeAuthNotifier extends AsyncNotifier<AuthState>
implements AuthNotifier {
Community? lastCommunity;
Completer<void>? authentication;
Completer<void>? entered;
@override
Future<AuthState> build() async =>
const AuthState(status: AuthStatus.unauthenticated);
@override
Future<void> authenticateWithCommunity(
Community community, {
bool Function()? shouldContinue,
bool activate = true,
}) async {
if (shouldContinue != null && !shouldContinue()) return;
lastCommunity = community;
entered?.complete();
await authentication?.future;
if (shouldContinue != null && !shouldContinue()) return;
state = AsyncData(
AuthState(status: AuthStatus.authenticated, community: community),
);
}
}
class _DisconnectingSocket extends PairingSocket {
final void Function(Object? error) disconnectCallback;
_DisconnectingSocket({required this.disconnectCallback})
: super(
wsUrl: 'ws://unused',
ephemeralPrivkey:
'09b3065e3570a3a4054660dccd66e12774a99a904fdb0ca02dbc6c3136249506',
onMessage: (_) {},
onDisconnected: (_) {},
);
@override
Future<void> connect() async {
disconnectCallback(Exception('Connection closed'));
}
}
Community _exportCommunity(SensitiveActionPolicy policy) => Community(
id: 'export-community',
name: 'Export',
relayUrl: 'https://relay.test',
nsec: _RecoveryRelayConfig.nsec,
sensitiveActionPolicy: policy,
addedAt: DateTime.utc(2026),
);
class _RecoveryRelayConfig extends RelayConfigNotifier {
static final nsec = nostr.Keys(
'1111111111111111111111111111111111111111111111111111111111111111',
).nsec;
@override
RelayConfig build() => RelayConfig(baseUrl: 'https://relay.test', nsec: nsec);
}
class _FakeSensitiveActionAuthorizer implements SensitiveActionAuthorizer {
DeviceAuthResult result = DeviceAuthResult.success;
Completer<DeviceAuthResult>? pending;
int calls = 0;
bool? lastIdentityBiometricOnly;
@override
Future<DeviceAuthResult> authorizeIdentityAction({
required bool biometricOnly,
}) async {
calls++;
lastIdentityBiometricOnly = biometricOnly;
return pending?.future ?? result;
}
@override
Future<DeviceAuthResult> authorizeBiometricProtection() async {
calls++;
return pending?.future ?? result;
}
@override
Future<List<BiometricType>> enrolledBiometrics() async => const [];
}
class _PendingValidationSocket extends RelaySocket {
_PendingValidationSocket()
: super(
wsUrl: 'wss://relay.example',
nsec: null,
onMessage: (_) {},
onConnected: () {},
onDisconnected: (_) {},
);
final connection = Completer<void>();
bool disposed = false;
@override
Future<void> connect() => connection.future;
@override
void dispose() => disposed = true;
@override
Future<void> disconnect() async => disposed = true;
}
class _ValidationOutcomeSocket extends RelaySocket {
_ValidationOutcomeSocket(this.connected)
: super(
wsUrl: 'wss://relay.example',
nsec: null,
onMessage: (_) {},
onConnected: () {},
onDisconnected: (_) {},
);
final bool Function() connected;
@override
SocketState get state =>
connected() ? SocketState.connected : SocketState.disconnected;
@override
Future<void> connect() async {}
@override
Future<void> disconnect() async {}
}