Initial commit: watch-together phases 0-4 + presence hardening, internet-tested

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foxyz committed 2026-09-12 00:13:43 +03:00
commit 427d851a5b
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import 'dart:io';
import 'package:args/args.dart';
import 'package:logging/logging.dart' as pkg_logging;
import 'package:sync_relay_core/core.dart';
import 'package:sync_relay_server/server.dart';
Future<void> main(List<String> args) async {
final parser = ArgParser()
..addOption('port', abbr: 'p', defaultsTo: '8080')
..addOption('secret', defaultsTo: 'change-me')
..addOption('name', defaultsTo: 'room')
..addOption('media', defaultsTo: '')
..addOption('advertise-host', defaultsTo: '127.0.0.1')
..addOption('config')
..addFlag('help', abbr: 'h', negatable: false);
final parsed = parser.parse(args);
if (parsed['help'] as bool) {
// ignore: avoid_print
print(parser.usage);
return;
}
initLogging(level: pkg_logging.Level.INFO);
AppConfig config;
final configPath = parsed['config'] as String?;
if (configPath != null) {
config = await AppConfig.loadFile(configPath);
} else {
config = AppConfig(
port: int.tryParse('${parsed['port']}') ?? 8080,
secret: '${parsed['secret']}',
name: '${parsed['name']}',
mediaPath: '${parsed['media']}',
advertiseHost: '${parsed['advertise-host']}',
);
}
final server = RoomServer(config);
await server.start();
// ignore: avoid_print
print('READY port=${server.boundPort} room=${config.name}');
await ProcessSignal.sigint.watch().first;
await server.stop();
}
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export 'src/media_endpoint.dart';
export 'src/room_hub.dart';
export 'src/room_server.dart';
export 'src/session.dart';
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import 'dart:io';
import 'dart:typed_data';
import 'package:relic/relic.dart';
import 'package:sync_relay_core/core.dart';
import 'session.dart';
class MediaLog {
final String method;
final String path;
final String? rangeHeader;
final int status;
final int bytesWritten;
final int durationMs;
const MediaLog({
required this.method,
required this.path,
required this.rangeHeader,
required this.status,
required this.bytesWritten,
required this.durationMs,
});
@override
String toString() =>
'$method $path range=${rangeHeader ?? '-'} -> $status bytes=$bytesWritten ${durationMs}ms';
}
class MediaResolution {
final int status;
final Map<String, String> headers;
final int start;
final int? end;
const MediaResolution({
required this.status,
required this.headers,
required this.start,
required this.end,
});
int contentLength(int size) => (end ?? (size - 1)) - start + 1;
}
MediaResolution resolveMediaRequest({
required String? rangeHeader,
required int size,
required String filename,
MediaGate gate = MediaGate.ok,
}) {
Map<String, String> base(String contentType) => {
'accept-ranges': 'bytes',
'content-type': contentType,
};
final contentType = contentTypeForFile(filename);
switch (gate) {
case MediaGate.gone:
return MediaResolution(status: 410, headers: base(contentType), start: 0, end: 0);
case MediaGate.unauthorized:
return MediaResolution(status: 401, headers: base(contentType), start: 0, end: 0);
case MediaGate.forbidden:
return MediaResolution(status: 403, headers: base(contentType), start: 0, end: 0);
case MediaGate.offline:
return MediaResolution(
status: 503,
headers: {...base(contentType), 'retry-after': '2'},
start: 0,
end: 0);
case MediaGate.ok:
break;
}
if (rangeHeader == null || rangeHeader.trim().isEmpty) {
return MediaResolution(
status: 200,
headers: {...base(contentType), 'content-length': '$size'},
start: 0,
end: null,
);
}
final parsed = RangeRequest.parse(rangeHeader, size);
if (parsed == null) {
return MediaResolution(
status: 416,
headers: {...base(contentType), 'content-range': 'bytes */$size'},
start: 0,
end: 0,
);
}
final end = parsed.end ?? size - 1;
return MediaResolution(
status: 206,
headers: {
...base(contentType),
'content-range': 'bytes ${parsed.start}-$end/$size',
'content-length': '${end - parsed.start + 1}',
},
start: parsed.start,
end: parsed.end,
);
}
void mountMediaRoute(RelicApp app, File file,
{String route = '/m/file', void Function(MediaLog log)? onLog}) {
app.get(route, (final req) async {
final stopwatch = Stopwatch()..start();
final size = await file.length();
final name = file.path.split(Platform.pathSeparator).last;
final typed = req.headers.range;
String? rangeHeader;
if (typed != null && typed.ranges.isNotEmpty) {
final r = typed.ranges.first;
rangeHeader = '${typed.unit}=${r.start?.toString() ?? ''}-${r.end?.toString() ?? ''}';
}
final res = resolveMediaRequest(rangeHeader: rangeHeader, size: size, filename: name);
void log(int bytes) => onLog?.call(MediaLog(
method: req.method.name,
path: route,
rangeHeader: rangeHeader,
status: res.status,
bytesWritten: bytes,
durationMs: stopwatch.elapsedMilliseconds,
));
if (res.status != 200 && res.status != 206) {
log(0);
return Response(
res.status,
body: Body.fromString('status ${res.status}'),
headers: Headers.build((h) {
res.headers.forEach((k, v) => h[k] = [v]);
}),
);
}
final end = res.end ?? size - 1;
final byteCount = end - res.start + 1;
final stream = file.openRead(res.start, end + 1).map((c) => Uint8List.fromList(c));
log(byteCount);
return Response(
res.status,
body: Body.fromDataStream(stream, contentLength: byteCount),
headers: Headers.build((h) {
res.headers.forEach((k, v) => h[k] = [v]);
}),
);
});
}
Response _gatedResponse(MediaResolution res) => Response(
res.status,
body: Body.fromString('status ${res.status}'),
headers: Headers.build((h) {
res.headers.forEach((k, v) => h[k] = [v]);
}),
);
void mountSessionMediaRoute(
RelicApp app,
SessionMap sessions, {
String pattern = '/m/:sid/:token/:name',
void Function(String token, MediaLog log)? onLog,
}) {
app.get(pattern, (final req) async {
final stopwatch = Stopwatch()..start();
final sid = req.pathParameters.raw[#sid] ?? '';
final token = req.pathParameters.raw[#token] ?? '';
final session = sessions.get(sid);
if (session == null) {
return _gatedResponse(resolveMediaRequest(
rangeHeader: null, size: 1, filename: 'x', gate: MediaGate.gone));
}
final gate = session.gate(token);
if (gate != MediaGate.ok) {
return _gatedResponse(
resolveMediaRequest(rangeHeader: null, size: 1, filename: 'x', gate: gate));
}
final media = session.media;
final file = media?.file;
if (media == null || file == null) {
return _gatedResponse(resolveMediaRequest(
rangeHeader: null, size: 1, filename: 'x', gate: MediaGate.offline));
}
final size = media.size;
final typed = req.headers.range;
String? rangeHeader;
if (typed != null && typed.ranges.isNotEmpty) {
final r = typed.ranges.first;
rangeHeader = '${typed.unit}=${r.start?.toString() ?? ''}-${r.end?.toString() ?? ''}';
}
final res = resolveMediaRequest(rangeHeader: rangeHeader, size: size, filename: media.name);
if (res.status != 200 && res.status != 206) {
return _gatedResponse(res);
}
final end = res.end ?? size - 1;
final byteCount = end - res.start + 1;
session.addBytes(token, byteCount);
final shortToken = token.length > 4 ? '…${token.substring(token.length - 4)}' : token;
onLog?.call(token, MediaLog(
method: req.method.name,
path: '/m/$sid/$shortToken/${media.name}',
rangeHeader: rangeHeader,
status: res.status,
bytesWritten: byteCount,
durationMs: stopwatch.elapsedMilliseconds,
));
final stream = file.openRead(res.start, end + 1).map((c) => Uint8List.fromList(c));
return Response(
res.status,
body: Body.fromDataStream(stream, contentLength: byteCount),
headers: Headers.build((h) {
res.headers.forEach((k, v) => h[k] = [v]);
}),
);
});
}
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import 'dart:async';
import 'dart:convert';
import 'package:relic/relic.dart';
import 'package:sync_relay_core/core.dart';
import 'package:web_socket/web_socket.dart';
import 'session.dart';
final _hubLog = createLogger('room_hub');
class RoomHub {
final SessionMap sessions;
final String expectedSecret;
final RoomEngine engine;
final Map<String, RelicWebSocket> sockets = {};
RoomHub(this.sessions, this.expectedSecret, {RoomEngine? engine})
: engine = engine ?? RoomEngine();
Session get session => sessions.getOrCreate('default', expectedSecret);
void broadcastRoom() {
final raw = jsonEncode(engine.broadcast().toJson());
for (final ws in sockets.values.toList()) {
ws.trySendText(raw);
}
}
void broadcastFeed() {
for (final feed in engine.feed.drain()) {
final raw = jsonEncode(feed.toJson());
for (final ws in sockets.values.toList()) {
ws.trySendText(raw);
}
}
}
void dropSilentSockets() {
for (final token in engine.sweepDropped()) {
final ws = sockets[token];
if (ws != null) unawaited(ws.tryClose());
forgetSocket(token);
}
}
void sweepClosedSockets() {
for (final entry in sockets.entries.toList()) {
var closed = false;
try {
closed = entry.value.isClosed;
} catch (_) {
closed = true;
}
if (closed) forgetSocket(entry.key);
}
}
Future<void> closeAllSockets() async {
final all = sockets.values.toList();
sockets.clear();
for (final ws in all) {
try {
await ws.tryClose();
} catch (_) {}
}
}
void broadcastChat(String from, String text) {
final clean = text.length > RelayConstants.maxChatLength
? text.substring(0, RelayConstants.maxChatLength)
: text;
final raw = jsonEncode(
ChatMessage(text: clean).toJson()..addAll({'from': from}));
for (final ws in sockets.values.toList()) {
ws.trySendText(raw);
}
engine.feed.add(
FeedMessage(actor: from, action: 'chat', at: engine.now));
broadcastFeed();
}
void changed() {
broadcastRoom();
broadcastFeed();
}
void forgetSocket(String token) {
engine.applyLeave(token);
final viewer = session.tokens[token];
if (viewer != null && !viewer.kicked) session.tokens.remove(token);
sockets.remove(token);
changed();
}
Future<void> kickById(String targetId, String reason) async {
final member = engine.byId(targetId);
if (member == null) throw const AuthException('unknown kick target');
await session.kick(member.token, reason: reason);
}
}
void wsErr(RelicWebSocket ws, String message) {
ws.trySendText(jsonEncode({'t': 'err', 'message': message}));
}
void mountSyncRoute(
RelicApp app,
RoomHub hub,
String Function(String sid, String token, SessionMedia? media) urlBuilder,
) {
app.get('/sync', (final req) {
return WebSocketUpgrade((final ws) async {
ws.pingInterval = Duration(seconds: RelayConstants.pingIntervalSecs);
final firstText = Completer<String>();
String? token;
var welcomed = false;
late StreamSubscription<WebSocketEvent> sub;
Future<void> close() async {
try {
await sub.cancel();
} catch (_) {}
await ws.tryClose();
}
void handleIntent(String text) {
final session = hub.session;
final viewer = token == null ? null : session.tokens[token];
viewer?.touch();
Map<String, Object?> decoded;
try {
final parsed = jsonDecode(text);
if (parsed is! Map) return;
decoded = Map<String, Object?>.from(parsed);
} catch (_) {
return;
}
final type = decoded['t'];
try {
switch (type) {
case 'ready':
if (token == null) return;
final intent = ReadyIntent.fromJson(decoded);
hub.engine.applyReady(token, intent.ready, source: intent.source);
hub.changed();
case 'force':
if (token == null) return;
final intent = ForceIntent.fromJson(decoded);
hub.engine.applyForce(token, intent.target, intent.ready);
hub.changed();
case 'seek':
if (token == null) return;
final intent = SeekIntent.fromJson(decoded);
hub.engine.applySeek(token, intent.position);
hub.changed();
case 'swap':
if (token == null) return;
final intent = SwapIntent.fromJson(decoded);
hub.engine.applySwap(token, intent.media);
final current = session.media;
if (current?.file != null &&
current!.name == intent.media.name &&
current.size == intent.media.size) {
session.media = SessionMedia(
name: current.name,
size: current.size,
duration: intent.media.duration,
url: intent.media.url,
file: current.file,
mediaId: hub.engine.mediaId);
} else {
session.media = SessionMedia(
name: intent.media.name,
size: intent.media.size,
duration: intent.media.duration,
url: intent.media.url,
mediaId: hub.engine.mediaId);
}
hub.changed();
case 'report':
if (token == null) return;
final report = ReportMessage.fromJson(decoded);
hub.engine.applyReport(
token, report.position, report.buffered, report.eventId);
hub.broadcastRoom();
case 'chat':
final chat = ChatMessage.fromJson(decoded);
hub.broadcastChat(viewer?.name ?? '?', chat.text);
case 'kick':
final kickReq = KickRequest.fromJson(decoded);
final member = hub.engine.byId(kickReq.target);
if (member == null) {
wsErr(ws, 'unknown kick target');
return;
}
final by = viewer?.name ?? '?';
unawaited(hub.session.kick(member.token,
reason: kickReq.reason.isEmpty
? 'kicked by $by'
: kickReq.reason));
}
} catch (_) {
return;
}
}
sub = ws.events.listen(
(event) {
if (event is! TextDataReceived) return;
if (!firstText.isCompleted) {
firstText.complete(event.text);
} else if (welcomed) {
handleIntent(event.text);
}
},
onError: (_) {
if (token != null) hub.forgetSocket(token);
},
onDone: () {
if (!firstText.isCompleted) {
firstText.completeError(StateError('closed before hello'));
} else if (token != null) {
hub.forgetSocket(token);
}
},
);
String raw;
try {
raw = await firstText.future.timeout(const Duration(seconds: 10));
} catch (_) {
await close();
return;
}
HelloMessage hello;
try {
final decoded = jsonDecode(raw);
if (decoded is! Map) throw const ProtocolException('hello must be an object');
hello = HelloMessage.fromJson(Map<String, Object?>.from(decoded));
} catch (e) {
_hubLog.warning('reject: bad hello: $e');
wsErr(ws, 'bad hello: $e');
await close();
return;
}
if (hello.proto != RelayConstants.protoVersion) {
_hubLog.warning(
'reject ${hello.user.name}: proto mismatch: got ${hello.proto}, want ${RelayConstants.protoVersion}');
wsErr(ws, 'proto mismatch: got ${hello.proto}, want ${RelayConstants.protoVersion}');
await close();
return;
}
final session = hub.session;
if (hello.secret != session.secret) {
_hubLog.warning('reject ${hello.user.name}: wrong secret');
wsErr(ws, 'wrong secret');
await close();
return;
}
try {
token = session.issueToken(hello.user.name, hello.user.avatar);
} catch (e) {
_hubLog.warning('reject ${hello.user.name}: $e');
wsErr(ws, 'rejected: $e');
await close();
return;
}
final memberId = hub.engine.applyJoin(token, hello.user.name, hello.user.avatar);
final activeToken = token;
hub.sockets[activeToken] = ws;
session.tokens[activeToken]!.onKick = (reason) async {
ws.trySendText(jsonEncode(KickedMessage(reason: reason).toJson()));
await Future.delayed(const Duration(milliseconds: 200));
await ws.tryClose();
hub.forgetSocket(activeToken);
};
final media = session.media;
final welcome = WelcomeMessage(
token: activeToken,
memberId: memberId,
mediaUrl: media?.file != null ? urlBuilder('default', activeToken, media) : media?.url,
state: hub.engine.broadcast().toJson(),
);
try {
ws.sendText(jsonEncode(welcome.toJson()));
} catch (_) {
await close();
return;
}
welcomed = true;
_hubLog.info('join ${hello.user.name} ($memberId)');
hub.changed();
try {
await sub.asFuture();
} catch (_) {}
});
});
}
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import 'dart:async';
import 'dart:convert';
import 'dart:io';
import 'package:logging/logging.dart' as pkg_logging;
import 'package:relic/relic.dart';
import 'package:sync_relay_core/core.dart';
import 'media_endpoint.dart';
import 'room_hub.dart';
import 'session.dart';
class RoomServer {
final AppConfig config;
final pkg_logging.Logger _log = createLogger('room_server');
final RelicApp _app = RelicApp();
final SessionMap sessions = SessionMap();
late final RoomHub hub;
RelicServer? _server;
DateTime? _startedAt;
Timer? _heartbeat;
bool _routesMounted = false;
RoomServer(this.config) {
hub = RoomHub(sessions, config.secret);
}
bool get isRunning => _server != null;
int get boundPort => _server?.port ?? config.port;
Session get session => sessions.getOrCreate('default', config.secret);
Future<bool> setLocalFile(String path) async {
final file = File(path);
if (!await file.exists()) return false;
final name = file.path.split(Platform.pathSeparator).last;
final size = await file.length();
session.media = SessionMedia(name: name, size: size, duration: 0, file: file);
hub.engine.media = HelloMedia(name: name, size: size, duration: 0);
return true;
}
void _mountRoutes() {
if (_routesMounted) return;
_routesMounted = true;
_app.get('/health', (final req) {
final s = sessions.get('default');
final viewers = s?.tokens.length ?? 0;
final bytes = s?.totalBytesServed ?? 0;
final uptime = _startedAt == null ? 0 : DateTime.now().difference(_startedAt!).inSeconds;
return Response.ok(
body: Body.fromString(jsonEncode({
'ok': true,
'room': config.name,
'proto': RelayConstants.protoVersion,
'viewers': viewers,
'bytesServed': bytes,
'uptimeSecs': uptime,
'media': s?.media?.name,
'transport': hub.engine.transport.name,
'eventId': hub.engine.eventId,
})),
);
});
mountSessionMediaRoute(_app, sessions);
mountSyncRoute(_app, hub, (sid, token, media) {
final name = Uri.encodeComponent(media?.name ?? 'file');
return 'http://${config.advertiseHost}:$boundPort/m/$sid/$token/$name';
});
_app.fallback = (final req) => Response.notFound(
body: Body.fromString('not found'),
);
}
Future<void> start() async {
if (_server != null) return;
final s = session;
if (config.mediaPath.isNotEmpty) {
final file = File(config.mediaPath);
if (await file.exists()) {
final name = file.path.split(Platform.pathSeparator).last;
final size = await file.length();
s.media = SessionMedia(name: name, size: size, duration: 0, file: file);
hub.engine.media = HelloMedia(name: name, size: size, duration: 0);
} else {
_log.warning('media file not found: ${config.mediaPath}');
}
}
_mountRoutes();
_server = await _app.serve(
address: InternetAddress.anyIPv4,
port: config.port,
);
_startedAt = DateTime.now();
_heartbeat = Timer.periodic(const Duration(seconds: 1), (_) {
hub.engine.sweepStale();
hub.sweepClosedSockets();
hub.dropSilentSockets();
hub.broadcastRoom();
hub.broadcastFeed();
});
_log.info('room "${config.name}" listening on $boundPort');
}
Future<void> stop() async {
if (_server == null) return;
_heartbeat?.cancel();
_heartbeat = null;
await hub.closeAllSockets();
await _app.close();
_server = null;
_log.info('room "${config.name}" stopped');
}
}
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import 'dart:io';
import 'dart:math';
import 'package:sync_relay_core/core.dart';
enum MediaGate { ok, gone, unauthorized, forbidden, offline }
class ViewerToken {
final String token;
final String name;
final String avatar;
bool kicked = false;
int bytesServed = 0;
DateTime lastSeen;
Future<void> Function(String reason)? onKick;
ViewerToken({required this.token, required this.name, this.avatar = ''})
: lastSeen = DateTime.now().toUtc();
bool isStale(Duration timeout, [DateTime? now]) =>
(now ?? DateTime.now().toUtc()).difference(lastSeen) > timeout;
void touch([DateTime? now]) => lastSeen = now ?? DateTime.now().toUtc();
}
class SessionMedia {
final String name;
final int size;
final double duration;
final String? url;
final File? file;
final int mediaId;
const SessionMedia({
required this.name,
required this.size,
required this.duration,
this.url,
this.file,
this.mediaId = 1,
});
}
class Session {
final String id;
final String secret;
final Map<String, ViewerToken> tokens = {};
SessionMedia? media;
final _random = Random.secure();
Session({required this.id, required this.secret});
String issueToken(String name, String avatar) {
if (avatar.length > RelayConstants.maxAvatarBytes) {
throw const AuthException('avatar too large');
}
final trimmed = name.trim();
final cleanName = trimmed.isEmpty
? '?'
: trimmed.substring(
0, trimmed.length.clamp(0, RelayConstants.maxNameLength));
final bytes = List<int>.generate(16, (_) => _random.nextInt(256));
final token = bytes.map((b) => b.toRadixString(16).padLeft(2, '0')).join();
tokens[token] = ViewerToken(token: token, name: cleanName, avatar: avatar);
return token;
}
MediaGate gate(String? token) {
if (token == null || !tokens.containsKey(token)) return MediaGate.unauthorized;
if (tokens[token]!.kicked) return MediaGate.forbidden;
return MediaGate.ok;
}
Future<void> kick(String token, {String reason = ''}) async {
final viewer = tokens[token];
if (viewer == null) throw const AuthException('unknown token');
viewer.kicked = true;
await viewer.onKick?.call(reason);
}
void addBytes(String? token, int n) {
if (token != null) tokens[token]?.bytesServed += n;
}
int get totalBytesServed => tokens.values.fold(0, (a, v) => a + v.bytesServed);
}
class SessionMap {
final Map<String, Session> _sessions = {};
Session getOrCreate(String id, String secret) =>
_sessions.putIfAbsent(id, () => Session(id: id, secret: secret));
Session? get(String id) => _sessions[id];
void drop(String id) => _sessions.remove(id);
}
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# Generated by pub
# See https://dart.dev/tools/pub/glossary#lockfile
packages:
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dependency: transitive
description:
name: _fe_analyzer_shared
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url: "https://pub.dev"
source: hosted
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analyzer:
dependency: transitive
description:
name: analyzer
sha256: f2dde9e50c23fc95b846b4ef334e98c3ae8c0effd5d2453b02fc9fb3f8939791
url: "https://pub.dev"
source: hosted
version: "14.3.0"
args:
dependency: "direct main"
description:
name: args
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url: "https://pub.dev"
source: hosted
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async:
dependency: transitive
description:
name: async
sha256: e2eb0491ba5ddb6177742d2da23904574082139b07c1e33b8503b9f46f3e1a37
url: "https://pub.dev"
source: hosted
version: "2.13.1"
boolean_selector:
dependency: transitive
description:
name: boolean_selector
sha256: "8aab1771e1243a5063b8b0ff68042d67334e3feab9e95b9490f9a6ebf73b42ea"
url: "https://pub.dev"
source: hosted
version: "2.1.2"
cli_config:
dependency: transitive
description:
name: cli_config
sha256: ac20a183a07002b700f0c25e61b7ee46b23c309d76ab7b7640a028f18e4d99ec
url: "https://pub.dev"
source: hosted
version: "0.2.0"
collection:
dependency: transitive
description:
name: collection
sha256: "2f5709ae4d3d59dd8f7cd309b4e023046b57d8a6c82130785d2b0e5868084e76"
url: "https://pub.dev"
source: hosted
version: "1.19.1"
convert:
dependency: transitive
description:
name: convert
sha256: b30acd5944035672bc15c6b7a8b47d773e41e2f17de064350988c5d02adb1c68
url: "https://pub.dev"
source: hosted
version: "3.1.2"
coverage:
dependency: transitive
description:
name: coverage
sha256: "956a3de0725ca232ad353565a8290d3357592bf4250f6f298a185e2d949c5d3d"
url: "https://pub.dev"
source: hosted
version: "1.15.1"
crypto:
dependency: transitive
description:
name: crypto
sha256: c8ea0233063ba03258fbcf2ca4d6dadfefe14f02fab57702265467a19f27fadf
url: "https://pub.dev"
source: hosted
version: "3.0.7"
file:
dependency: transitive
description:
name: file
sha256: a3b4f84adafef897088c160faf7dfffb7696046cb13ae90b508c2cbc95d3b8d4
url: "https://pub.dev"
source: hosted
version: "7.0.1"
frontend_server_client:
dependency: transitive
description:
name: frontend_server_client
sha256: f64a0333a82f30b0cca061bc3d143813a486dc086b574bfb233b7c1372427694
url: "https://pub.dev"
source: hosted
version: "4.0.0"
glob:
dependency: transitive
description:
name: glob
sha256: "218aeb56050c714f62a3182775320dfa04602b55074873e24e31bbd39bda96fb"
url: "https://pub.dev"
source: hosted
version: "2.2.0"
http_multi_server:
dependency: transitive
description:
name: http_multi_server
sha256: aa6199f908078bb1c5efb8d8638d4ae191aac11b311132c3ef48ce352fb52ef8
url: "https://pub.dev"
source: hosted
version: "3.2.2"
http_parser:
dependency: transitive
description:
name: http_parser
sha256: "178d74305e7866013777bab2c3d8726205dc5a4dd935297175b19a23a2e66571"
url: "https://pub.dev"
source: hosted
version: "4.1.2"
io:
dependency: transitive
description:
name: io
sha256: "2635216ca6a737e60de577ffa1a48a0bec76ca8a62917cfc1bb88c14c570646f"
url: "https://pub.dev"
source: hosted
version: "1.1.0"
lints:
dependency: "direct dev"
description:
name: lints
sha256: c35bb79562d980e9a453fc715854e1ed39e24e7d0297a880ef54e17f9874a9d7
url: "https://pub.dev"
source: hosted
version: "5.1.1"
logging:
dependency: "direct main"
description:
name: logging
sha256: c8245ada5f1717ed44271ed1c26b8ce85ca3228fd2ffdb75468ab01979309d61
url: "https://pub.dev"
source: hosted
version: "1.3.0"
matcher:
dependency: transitive
description:
name: matcher
sha256: "31bd099b47c10cd1aeb55146a2d46ce0277630ecef3f7dae54ad7873f36696cd"
url: "https://pub.dev"
source: hosted
version: "0.12.20"
meta:
dependency: transitive
description:
name: meta
sha256: "307249ce4ff29d58a18e97f6345f539382eb9c9c29ecda628900f31de0443dd9"
url: "https://pub.dev"
source: hosted
version: "1.19.0"
mime:
dependency: transitive
description:
name: mime
sha256: bd47de35f07e27267e69c8c8b22edf9473bfee170a60d60fcc93730c5144b7f6
url: "https://pub.dev"
source: hosted
version: "2.1.0"
node_preamble:
dependency: transitive
description:
name: node_preamble
sha256: "6e7eac89047ab8a8d26cf16127b5ed26de65209847630400f9aefd7cd5c730db"
url: "https://pub.dev"
source: hosted
version: "2.0.2"
package_config:
dependency: transitive
description:
name: package_config
sha256: ffcf4cf3d6c0b74ac43708d9f56625506e8a68aa935abe9d267a7330f320eb5d
url: "https://pub.dev"
source: hosted
version: "3.0.0"
path:
dependency: transitive
description:
name: path
sha256: "75cca69d1490965be98c73ceaea117e8a04dd21217b37b292c9ddbec0d955bc5"
url: "https://pub.dev"
source: hosted
version: "1.9.1"
pool:
dependency: transitive
description:
name: pool
sha256: "4177f68c237ea2128d1bee66ac17b2ce05ba3dbaafcbdd54c5d40a39d0b6b11c"
url: "https://pub.dev"
source: hosted
version: "1.5.3"
pub_semver:
dependency: transitive
description:
name: pub_semver
sha256: "261236774e8b1d69cfc6b9eabbc96c40f25e7a2d6b171f3385d4f65d5734fb24"
url: "https://pub.dev"
source: hosted
version: "2.2.1"
relic:
dependency: "direct main"
description:
name: relic
sha256: d917b188dd1b6838c630d1904a1e26b040e6647406f2aab01b10fdf0ca051c12
url: "https://pub.dev"
source: hosted
version: "1.2.0"
relic_core:
dependency: transitive
description:
name: relic_core
sha256: c2f7638d56fdf144a035d17eb8e93fb30fe53bd105fd81c31393f8be4f43ecdc
url: "https://pub.dev"
source: hosted
version: "1.2.0"
relic_io:
dependency: transitive
description:
name: relic_io
sha256: d64a9f309943200ec7a45b2a127cbc5abf4dd6603159a179396d66b932a15f1f
url: "https://pub.dev"
source: hosted
version: "1.2.0"
shelf:
dependency: transitive
description:
name: shelf
sha256: e7dd780a7ffb623c57850b33f43309312fc863fb6aa3d276a754bb299839ef12
url: "https://pub.dev"
source: hosted
version: "1.4.2"
shelf_packages_handler:
dependency: transitive
description:
name: shelf_packages_handler
sha256: "89f967eca29607c933ba9571d838be31d67f53f6e4ee15147d5dc2934fee1b1e"
url: "https://pub.dev"
source: hosted
version: "3.0.2"
shelf_static:
dependency: transitive
description:
name: shelf_static
sha256: c87c3875f91262785dade62d135760c2c69cb217ac759485334c5857ad89f6e3
url: "https://pub.dev"
source: hosted
version: "1.1.3"
shelf_web_socket:
dependency: transitive
description:
name: shelf_web_socket
sha256: "3632775c8e90d6c9712f883e633716432a27758216dfb61bd86a8321c0580925"
url: "https://pub.dev"
source: hosted
version: "3.0.0"
source_map_stack_trace:
dependency: transitive
description:
name: source_map_stack_trace
sha256: c0713a43e323c3302c2abe2a1cc89aa057a387101ebd280371d6a6c9fa68516b
url: "https://pub.dev"
source: hosted
version: "2.1.2"
source_maps:
dependency: transitive
description:
name: source_maps
sha256: "14c2945847669b44089bb1222f66873d7ff7103c58911917f2a63c5a62327898"
url: "https://pub.dev"
source: hosted
version: "0.10.14"
source_span:
dependency: transitive
description:
name: source_span
sha256: "56a02f1f4cd1a2d96303c0144c93bd6d909eea6bee6bf5a0e0b685edbd4c47ab"
url: "https://pub.dev"
source: hosted
version: "1.10.2"
stack_trace:
dependency: transitive
description:
name: stack_trace
sha256: "277654b3034d17ac6f9f1cb5595db011b1d5d41e8806866db28e0abaa101c490"
url: "https://pub.dev"
source: hosted
version: "1.12.2"
stream_channel:
dependency: transitive
description:
name: stream_channel
sha256: "969e04c80b8bcdf826f8f16579c7b14d780458bd97f56d107d3950fdbeef059d"
url: "https://pub.dev"
source: hosted
version: "2.1.4"
string_scanner:
dependency: transitive
description:
name: string_scanner
sha256: "921cd31725b72fe181906c6a94d987c78e3b98c2e205b397ea399d4054872b43"
url: "https://pub.dev"
source: hosted
version: "1.4.1"
sync_relay_core:
dependency: "direct main"
description:
path: "../core"
relative: true
source: path
version: "0.1.0"
term_glyph:
dependency: transitive
description:
name: term_glyph
sha256: "7f554798625ea768a7518313e58f83891c7f5024f88e46e7182a4558850a4b8e"
url: "https://pub.dev"
source: hosted
version: "1.2.2"
test:
dependency: "direct dev"
description:
name: test
sha256: de5d145b0afff7921e5e788a880f52d7e5f3ae24068a202f6fd3b58e4ba26323
url: "https://pub.dev"
source: hosted
version: "1.32.0"
test_api:
dependency: transitive
description:
name: test_api
sha256: "0a10344e901e5b2e63819567951cb6a06673ed6b84f40462188ff5a0c41f371f"
url: "https://pub.dev"
source: hosted
version: "0.7.14"
test_core:
dependency: transitive
description:
name: test_core
sha256: "80f3fb49087454e07e7e07c67578cfdd156c8c3a5227d8b3f47c7b2d019c2e93"
url: "https://pub.dev"
source: hosted
version: "0.6.20"
typed_data:
dependency: transitive
description:
name: typed_data
sha256: f9049c039ebfeb4cf7a7104a675823cd72dba8297f264b6637062516699fa006
url: "https://pub.dev"
source: hosted
version: "1.4.0"
vm_service:
dependency: transitive
description:
name: vm_service
sha256: "5f37239c4851efcef929cea7824e76df7f2f0970aef85d66bbc430afa40e72f0"
url: "https://pub.dev"
source: hosted
version: "15.3.0"
watcher:
dependency: transitive
description:
name: watcher
sha256: "1398c9f081a753f9226febe8900fce8f7d0a67163334e1c94a2438339d79d635"
url: "https://pub.dev"
source: hosted
version: "1.2.1"
web:
dependency: transitive
description:
name: web
sha256: "868d88a33d8a87b18ffc05f9f030ba328ffefba92d6c127917a2ba740f9cfe4a"
url: "https://pub.dev"
source: hosted
version: "1.1.1"
web_socket:
dependency: "direct main"
description:
name: web_socket
sha256: "34d64019aa8e36bf9842ac014bb5d2f5586ca73df5e4d9bf5c936975cae6982c"
url: "https://pub.dev"
source: hosted
version: "1.0.1"
web_socket_channel:
dependency: "direct dev"
description:
name: web_socket_channel
sha256: d645757fb0f4773d602444000a8131ff5d48c9e47adfe9772652dd1a4f2d45c8
url: "https://pub.dev"
source: hosted
version: "3.0.3"
webkit_inspection_protocol:
dependency: transitive
description:
name: webkit_inspection_protocol
sha256: "87d3f2333bb240704cd3f1c6b5b7acd8a10e7f0bc28c28dcf14e782014f4a572"
url: "https://pub.dev"
source: hosted
version: "1.2.1"
yaml:
dependency: transitive
description:
name: yaml
sha256: f67cdd8e07d3c6329146aaef1ba043542b3134c12489f553ca9a7435d1068aea
url: "https://pub.dev"
source: hosted
version: "3.1.4"
sdks:
dart: ">=3.11.0 <4.0.0"
+17
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@@ -0,0 +1,17 @@
name: sync_relay_server
description: Pure-Dart room + media server. Embeddable, no Flutter.
publish_to: none
version: 0.1.0
environment:
sdk: ^3.0.0
dependencies:
sync_relay_core:
path: ../core
logging: ^1.2.0
args: ^2.4.0
relic: ^1.2.0
web_socket: ^1.0.0
dev_dependencies:
lints: ^5.0.0
test: ^1.25.0
web_socket_channel: ^3.0.0
+97
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@@ -0,0 +1,97 @@
import 'dart:async';
import 'dart:convert';
import 'dart:io';
import 'package:sync_relay_core/core.dart';
import 'package:sync_relay_server/server.dart';
import 'package:test/test.dart';
class _ProbeClient {
final WebSocket ws;
final Completer<void> welcomed = Completer<void>();
final Completer<String> closed = Completer<String>();
_ProbeClient(this.ws) {
ws.listen(
(m) {
if (!welcomed.isCompleted) {
final decoded = jsonDecode('$m') as Map;
expect(decoded['t'], 'welcome');
welcomed.complete();
}
},
onDone: () {
if (!closed.isCompleted) {
closed.complete('done code=${ws.closeCode} reason=${ws.closeReason}');
}
},
onError: (Object e) {
if (!closed.isCompleted) closed.complete('error $e');
},
);
}
static Future<_ProbeClient> hello(int port, String name) async {
final ws = await WebSocket.connect('ws://127.0.0.1:$port/sync');
final c = _ProbeClient(ws);
ws.add(jsonEncode({
't': 'hello',
'proto': RelayConstants.protoVersion,
'secret': 'cycle',
'user': {'name': name},
'media': {'name': '', 'size': 0, 'duration': 0.0},
}));
await c.welcomed.future.timeout(const Duration(seconds: 5));
return c;
}
}
Future<void> _pollBool(
FutureOr<bool> Function() cond,
String what, {
Duration timeout = const Duration(seconds: 8),
}) async {
final deadline = DateTime.now().add(timeout);
while (DateTime.now().isBefore(deadline)) {
if (await cond()) return;
await Future.delayed(const Duration(milliseconds: 100));
}
fail('timed out: $what');
}
void main() {
group('presence lifecycle live', () {
late RoomServer server;
setUp(() async {
server = RoomServer(
const AppConfig(port: 0, secret: 'cycle', name: 'cycle'));
await server.start();
});
tearDown(() async {
await server.stop();
});
test('clean client close removes member within seconds, not timeout',
() async {
final client = await _ProbeClient.hello(server.boundPort, 'alice');
await _pollBool(
() => server.hub.engine.members.length == 1, 'join visible');
await client.ws.close();
await _pollBool(
() => server.hub.engine.members.isEmpty, 'member removed');
expect(server.session.tokens, isEmpty);
expect(server.hub.sockets, isEmpty);
});
test('server stop closes client sockets', () async {
final client = await _ProbeClient.hello(server.boundPort, 'bob');
await _pollBool(
() => server.hub.engine.members.length == 1, 'join visible');
await server.stop();
final outcome = await client.closed.future
.timeout(const Duration(seconds: 5), onTimeout: () => 'TIMEOUT');
expect(outcome, isNot('TIMEOUT'), reason: 'client never saw close');
});
});
}
@@ -0,0 +1,172 @@
import 'dart:io';
import 'dart:typed_data';
import 'package:relic/relic.dart';
import 'package:sync_relay_core/core.dart';
import 'package:sync_relay_server/server.dart';
import 'package:test/test.dart';
void main() {
group('resolveMediaRequest pure table', () {
test('no Range -> 200 full with exact length', () {
final r = resolveMediaRequest(rangeHeader: null, size: 1000, filename: 'a.mkv');
expect(r.status, 200);
expect(r.headers['accept-ranges'], 'bytes');
expect(r.headers['content-type'], 'video/x-matroska');
expect(r.headers['content-length'], '1000');
expect(r.start, 0);
expect(r.end, isNull);
});
test('closed range -> 206 exact bytes + content-range', () {
final r = resolveMediaRequest(rangeHeader: 'bytes=0-99', size: 1000, filename: 'a.mkv');
expect(r.status, 206);
expect(r.headers['content-range'], 'bytes 0-99/1000');
expect(r.headers['content-length'], '100');
});
test('open-ended range -> 206 to EOF', () {
final r = resolveMediaRequest(rangeHeader: 'bytes=900-', size: 1000, filename: 'b.mp4');
expect(r.status, 206);
expect(r.headers['content-range'], 'bytes 900-999/1000');
expect(r.headers['content-length'], '100');
expect(r.headers['content-type'], 'video/mp4');
});
test('suffix range -> tail (mkv cues probe)', () {
final r = resolveMediaRequest(rangeHeader: 'bytes=-500', size: 1000, filename: 'c.mkv');
expect(r.status, 206);
expect(r.start, 500);
expect(r.headers['content-length'], '500');
});
test('out-of-range start -> 416 with bytes */size', () {
final r = resolveMediaRequest(rangeHeader: 'bytes=5000-6000', size: 1000, filename: 'a.mkv');
expect(r.status, 416);
expect(r.headers['content-range'], 'bytes */1000');
});
test('gates: gone/auth/forbidden/offline', () {
expect(
resolveMediaRequest(rangeHeader: null, size: 10, filename: 'a.mkv', gate: MediaGate.gone).status,
410);
expect(
resolveMediaRequest(rangeHeader: null, size: 10, filename: 'a.mkv', gate: MediaGate.unauthorized)
.status,
401);
expect(
resolveMediaRequest(rangeHeader: null, size: 10, filename: 'a.mkv', gate: MediaGate.forbidden).status,
403);
final off =
resolveMediaRequest(rangeHeader: null, size: 10, filename: 'a.mkv', gate: MediaGate.offline);
expect(off.status, 503);
expect(off.headers['retry-after'], isNotEmpty);
});
test('content types by extension', () {
expect(contentTypeForFile('x.MKV'), 'video/x-matroska');
expect(contentTypeForFile('x.mp4'), 'video/mp4');
expect(contentTypeForFile('x.webm'), 'video/webm');
expect(contentTypeForFile('x.avi'), 'video/x-msvideo');
expect(contentTypeForFile('x.unknown'), 'application/octet-stream');
});
});
group('live Relic media route (byte-exact)', () {
late File file;
late Uint8List bytes;
late RelicApp app;
late RelicServer server;
late HttpClient client;
setUp(() async {
bytes = Uint8List.fromList(List<int>.generate(65536, (i) => i % 251));
file = File('${Directory.systemTemp.path}/media_test_${DateTime.now().microsecondsSinceEpoch}.bin');
await file.writeAsBytes(bytes);
app = RelicApp();
mountMediaRoute(app, file);
server = await app.serve(address: InternetAddress.loopbackIPv4, port: 0);
client = HttpClient();
});
tearDown(() async {
client.close();
await app.close();
await file.delete();
});
Future<HttpClientResponse> get(String path, {String? range}) async {
final req = await client.get('127.0.0.1', server.port, path);
if (range != null) req.headers.set('range', range);
return req.close();
}
Future<List<int>> readAll(HttpClientResponse resp) async {
final out = <int>[];
await for (final chunk in resp) {
out.addAll(chunk);
}
return out;
}
test('200 full body matches file bytes', () async {
final resp = await get('/m/file');
expect(resp.statusCode, 200);
expect(resp.headers.value('accept-ranges'), 'bytes');
expect(resp.headers.value('content-length'), '${bytes.length}');
expect(await readAll(resp), bytes);
});
test('206 closed range byte-exact', () async {
final resp = await get('/m/file', range: 'bytes=100-199');
expect(resp.statusCode, 206);
expect(resp.headers.value('content-range'), 'bytes 100-199/${bytes.length}');
expect(resp.headers.value('content-length'), '100');
expect(await readAll(resp), bytes.sublist(100, 200));
});
test('206 open-ended streams to EOF', () async {
final resp = await get('/m/file', range: 'bytes=${bytes.length - 1000}-');
expect(resp.statusCode, 206);
expect(resp.headers.value('content-length'), '1000');
expect(await readAll(resp), bytes.sublist(bytes.length - 1000));
});
test('206 suffix tail byte-exact', () async {
final resp = await get('/m/file', range: 'bytes=-256');
expect(resp.statusCode, 206);
expect(await readAll(resp), bytes.sublist(bytes.length - 256));
});
test('seek storm: 20 rapid seeks all byte-exact', () async {
for (var i = 0; i < 20; i++) {
final start = (i * 997) % (bytes.length - 512);
final resp = await get('/m/file', range: 'bytes=$start-${start + 511}');
expect(resp.statusCode, 206);
expect(await readAll(resp), bytes.sublist(start, start + 512));
}
});
test('onLog hook records method/range/status/bytes', () async {
final seen = <MediaLog>[];
final logApp = RelicApp();
mountMediaRoute(logApp, file, route: '/m/logged', onLog: seen.add);
final logServer =
await logApp.serve(address: InternetAddress.loopbackIPv4, port: 0);
try {
final req = await client.get('127.0.0.1', logServer.port, '/m/logged');
req.headers.set('range', 'bytes=0-9');
final resp = await req.close();
await resp.drain();
expect(resp.statusCode, 206);
} finally {
await logApp.close();
}
expect(seen, hasLength(1));
expect(seen.single.status, 206);
expect(seen.single.bytesWritten, 10);
expect(seen.single.rangeHeader, 'bytes=0-9');
expect(seen.single.toString(), contains('206'));
});
});
}
+391
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@@ -0,0 +1,391 @@
import 'dart:async';
import 'dart:convert';
import 'dart:io';
import 'dart:typed_data';
import 'package:sync_relay_core/core.dart';
import 'package:sync_relay_server/server.dart';
import 'package:test/test.dart';
import 'package:web_socket_channel/web_socket_channel.dart';
void main() {
group('room auth live', () {
late File file;
late Uint8List bytes;
late RoomServer server;
late HttpClient http;
setUp(() async {
bytes = Uint8List.fromList(List<int>.generate(8192, (i) => i % 251));
file = File(
'${Directory.systemTemp.path}/room_test_${DateTime.now().microsecondsSinceEpoch}.bin');
await file.writeAsBytes(bytes);
server = RoomServer(AppConfig(
port: 0, secret: 'shh', name: 'test', mediaPath: file.path));
await server.start();
http = HttpClient();
});
tearDown(() async {
http.close();
await server.stop();
await file.delete();
});
Future<HttpClientResponse> mediaGet(String path, {String? range}) async {
final req = await http.get('127.0.0.1', server.boundPort, path);
if (range != null) req.headers.set('range', range);
return req.close();
}
Future<String> hello(String secret,
{int proto = RelayConstants.protoVersion,
Duration timeout = const Duration(seconds: 5)}) async {
final ch = WebSocketChannel.connect(
Uri.parse('ws://127.0.0.1:${server.boundPort}/sync'));
final msg = HelloMessage(
proto: proto,
secret: secret,
user: const HelloUser(name: 'alice'),
media:
const HelloMedia(name: 'f.bin', size: 8192, duration: 10.0)).toJson();
ch.sink.add(jsonEncode(msg));
try {
final first = await ch.stream.first.timeout(timeout);
await ch.sink.close();
return '$first';
} catch (_) {
try {
await ch.sink.close();
} catch (_) {}
rethrow;
}
}
test('health reports room, proto, viewers, bytes', () async {
final req = await http.get('127.0.0.1', server.boundPort, '/health');
final resp = await req.close();
expect(resp.statusCode, 200);
final body = await resp.transform(utf8.decoder).join();
final decoded = jsonDecode(body) as Map;
expect(decoded['ok'], isTrue);
expect(decoded['room'], 'test');
expect(decoded['proto'], RelayConstants.protoVersion);
expect(decoded['viewers'], 0);
expect(decoded['bytesServed'], 0);
expect(decoded['media'], isNotNull);
});
test('wrong secret gets err, right secret gets welcome+token', () async {
final bad = await hello('wrong');
expect(jsonDecode(bad)['t'], 'err');
final good = await hello('shh');
final decoded = jsonDecode(good) as Map;
expect(decoded['t'], 'welcome');
final token = decoded['token'] as String;
expect(token, hasLength(32));
expect(decoded['mediaUrl'], contains(token));
final req = await http.get('127.0.0.1', server.boundPort, '/health');
final resp = await req.close();
await resp.drain();
expect(server.session.tokens.length, 1);
});
test('proto mismatch rejected', () async {
final reply =
await hello('shh', proto: RelayConstants.protoVersion + 99);
expect(jsonDecode(reply)['t'], 'err');
expect(server.session.tokens, isEmpty);
});
test('media: no token 401, bad token 401, good token 200 byte-exact',
() async {
final good = await hello('shh');
final token = (jsonDecode(good) as Map)['token'] as String;
final name = file.path.split(Platform.pathSeparator).last;
var resp = await mediaGet('/m/default/notoken/$name');
expect(resp.statusCode, 401);
await resp.drain();
resp = await mediaGet('/m/default/deadbeefdeadbeefdeadbeefdeadbeef/$name');
expect(resp.statusCode, 401);
await resp.drain();
resp = await mediaGet('/m/default/$token/$name', range: 'bytes=0-99');
expect(resp.statusCode, 206);
expect(resp.headers.value('content-range'), 'bytes 0-99/8192');
final body = <int>[];
await for (final c in resp) {
body.addAll(c);
}
expect(body, bytes.sublist(0, 100));
expect(server.session.tokens[token]!.bytesServed, 100);
});
test('unknown session -> 410', () async {
final resp = await mediaGet('/m/nosuch/abc/file');
expect(resp.statusCode, 410);
await resp.drain();
});
test('kick: WS drops and media goes 403', () async {
final ch = WebSocketChannel.connect(
Uri.parse('ws://127.0.0.1:${server.boundPort}/sync'));
final firstCompleter = Completer<String>();
var wsClosed = false;
final sub = ch.stream.listen(
(m) {
if (!firstCompleter.isCompleted) firstCompleter.complete('$m');
},
onDone: () => wsClosed = true,
);
final msg = HelloMessage(
proto: RelayConstants.protoVersion,
secret: 'shh',
user: const HelloUser(name: 'mallory'),
media:
const HelloMedia(name: 'f.bin', size: 8192, duration: 10.0)).toJson();
ch.sink.add(jsonEncode(msg));
final first =
await firstCompleter.future.timeout(const Duration(seconds: 5));
final token = (jsonDecode(first) as Map)['token'] as String;
await server.session.kick(token);
final deadline = DateTime.now().add(const Duration(seconds: 5));
while (!wsClosed && DateTime.now().isBefore(deadline)) {
await Future.delayed(const Duration(milliseconds: 50));
}
expect(wsClosed, isTrue);
try {
await sub.cancel();
} catch (_) {}
try {
await ch.sink.close();
} catch (_) {}
final name = file.path.split(Platform.pathSeparator).last;
final resp = await mediaGet('/m/default/$token/$name');
expect(resp.statusCode, 403);
await resp.drain();
});
test('kick delivers reason then drops; instant rejoin works', () async {
final ch = WebSocketChannel.connect(
Uri.parse('ws://127.0.0.1:${server.boundPort}/sync'));
final messages = <String>[];
var wsClosed = false;
final sub = ch.stream.listen(
(m) => messages.add('$m'),
onDone: () => wsClosed = true,
);
HelloMessage helloFor(String who) => HelloMessage(
proto: RelayConstants.protoVersion,
secret: 'shh',
user: HelloUser(name: who),
media: const HelloMedia(
name: 'f.bin', size: 8192, duration: 10.0));
ch.sink.add(jsonEncode(helloFor(' sleepy').toJson()));
Map<String, Object?>? welcome;
final welcomeDeadline = DateTime.now().add(const Duration(seconds: 5));
while (DateTime.now().isBefore(welcomeDeadline)) {
for (final m in messages) {
final decoded = jsonDecode(m) as Map;
if (decoded['t'] == 'welcome') {
welcome = Map<String, Object?>.from(decoded);
}
}
if (welcome != null) break;
await Future.delayed(const Duration(milliseconds: 50));
}
expect(welcome, isNotNull);
final token = welcome!['token'] as String;
await server.session.kick(token, reason: 'idle too long');
final deadline = DateTime.now().add(const Duration(seconds: 5));
Map<String, Object?>? kicked;
while (DateTime.now().isBefore(deadline)) {
for (final m in messages.skip(1)) {
final decoded = jsonDecode(m) as Map;
if (decoded['t'] == 'kicked') {
kicked = Map<String, Object?>.from(decoded);
}
}
if (wsClosed && kicked != null) break;
await Future.delayed(const Duration(milliseconds: 50));
}
expect(wsClosed, isTrue);
expect(kicked, isNotNull);
expect(kicked!['reason'], 'idle too long');
try {
await sub.cancel();
} catch (_) {}
try {
await ch.sink.close();
} catch (_) {}
final rejoin = await hello('shh');
final decoded = jsonDecode(rejoin) as Map;
expect(decoded['t'], 'welcome');
final token2 = decoded['token'] as String;
expect(token2, isNot(token));
final name = file.path.split(Platform.pathSeparator).last;
final resp = await mediaGet('/m/default/$token2/$name');
expect(resp.statusCode, 200);
await resp.drain();
});
test('kick via socket: peer kicked, unknown target errors', () async {
WebSocketChannel open() => WebSocketChannel.connect(
Uri.parse('ws://127.0.0.1:${server.boundPort}/sync'));
Future<(WebSocketChannel, String, String, List<String>)> join(String who) async {
final ch = open();
final messages = <String>[];
ch.stream.listen((m) => messages.add('$m'));
final msg = HelloMessage(
proto: RelayConstants.protoVersion,
secret: 'shh',
user: HelloUser(name: who),
media: const HelloMedia(
name: 'f.bin', size: 8192, duration: 10.0)).toJson();
ch.sink.add(jsonEncode(msg));
Map<String, Object?>? welcome;
final deadline = DateTime.now().add(const Duration(seconds: 5));
while (DateTime.now().isBefore(deadline)) {
for (final m in messages) {
final decoded = jsonDecode(m) as Map;
if (decoded['t'] == 'welcome') {
welcome = Map<String, Object?>.from(decoded);
}
}
if (welcome != null) break;
await Future.delayed(const Duration(milliseconds: 50));
}
expect(welcome, isNotNull,
reason: 'no welcome for $who: $messages');
final w = welcome!;
return (ch, w['token'] as String, w['memberId'] as String, messages);
}
Map<String, Object?>? findType(List<String> messages, String type) {
for (final m in messages) {
final decoded = jsonDecode(m) as Map;
if (decoded['t'] == type) return Map<String, Object?>.from(decoded);
}
return null;
}
Future<Map<String, Object?>?> waitType(
List<String> messages, String type, Duration timeout) async {
final deadline = DateTime.now().add(timeout);
while (DateTime.now().isBefore(deadline)) {
final found = findType(messages, type);
if (found != null) return found;
await Future.delayed(const Duration(milliseconds: 50));
}
return findType(messages, type);
}
final (a, _, _, messagesA) = await join('alice');
final (b, tokenB, idB, messagesB) = await join('bob');
try {
a.sink.add(jsonEncode(
KickRequest(target: idB, reason: 'afk?').toJson()));
final kicked = await waitType(
messagesB, 'kicked', const Duration(seconds: 5));
expect(kicked, isNotNull);
expect(kicked!['reason'], 'afk?');
expect(server.session.gate(tokenB), MediaGate.forbidden);
a.sink.add(
jsonEncode(const KickRequest(target: 'm99').toJson()));
final err = await waitType(
messagesA, 'err', const Duration(seconds: 5));
expect(err, isNotNull);
} finally {
try {
await a.sink.close();
} catch (_) {}
try {
await b.sink.close();
} catch (_) {}
}
});
test('silent socket dropped and member removed', () async {
final ch = WebSocketChannel.connect(
Uri.parse('ws://127.0.0.1:${server.boundPort}/sync'));
final messages = <String>[];
var wsClosed = false;
final sub = ch.stream.listen(
(m) => messages.add('$m'),
onDone: () => wsClosed = true,
);
final msg = HelloMessage(
proto: RelayConstants.protoVersion,
secret: 'shh',
user: const HelloUser(name: 'ghost'),
media: const HelloMedia(
name: 'f.bin', size: 8192, duration: 10.0)).toJson();
ch.sink.add(jsonEncode(msg));
final deadline = DateTime.now().add(const Duration(seconds: 5));
while (messages.isEmpty && DateTime.now().isBefore(deadline)) {
await Future.delayed(const Duration(milliseconds: 50));
}
final token =
(jsonDecode(messages.firstWhere((m) => (jsonDecode(m) as Map)['t'] == 'welcome')) as Map)['token']
as String;
server.hub.engine.members[token]!.lastSeen =
DateTime.now().toUtc().subtract(const Duration(seconds: 61));
server.hub.dropSilentSockets();
final closeDeadline = DateTime.now().add(const Duration(seconds: 5));
while ((!wsClosed ||
server.hub.engine.members.containsKey(token) ||
server.session.tokens.containsKey(token)) &&
DateTime.now().isBefore(closeDeadline)) {
await Future.delayed(const Duration(milliseconds: 50));
}
expect(wsClosed, isTrue);
expect(server.hub.engine.members.containsKey(token), isFalse);
expect(server.session.tokens.containsKey(token), isFalse);
try {
await sub.cancel();
} catch (_) {}
try {
await ch.sink.close();
} catch (_) {}
});
test('any frame touches lastSeen (heartbeat baseline)', () async {
final good = await hello('shh');
final token = (jsonDecode(good) as Map)['token'] as String;
final viewer = server.session.tokens[token]!;
viewer.touch(DateTime.utc(2020, 1, 1));
expect(viewer.isStale(const Duration(seconds: 30)), isTrue);
final ch = WebSocketChannel.connect(
Uri.parse('ws://127.0.0.1:${server.boundPort}/sync'));
final sub = ch.stream.listen((_) {});
ch.sink.add(jsonEncode(HelloMessage(
proto: RelayConstants.protoVersion,
secret: 'shh',
user: const HelloUser(name: 'hb'),
media: const HelloMedia(
name: 'f.bin', size: 8192, duration: 10.0))
.toJson()));
await Future.delayed(const Duration(seconds: 1));
final hbToken = server.session.tokens.keys
.firstWhere((k) => server.session.tokens[k]!.name == 'hb');
expect(server.session.tokens[hbToken]!.isStale(const Duration(seconds: 30)), isFalse);
expect(viewer.isStale(const Duration(seconds: 30)), isTrue);
try {
await sub.cancel();
} catch (_) {}
try {
await ch.sink.close();
} catch (_) {}
});
});
}
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import 'dart:io';
import 'package:sync_relay_core/core.dart';
import 'package:sync_relay_server/server.dart';
import 'package:test/test.dart';
void main() {
test('server has zero flutter imports', () async {
final libDir = Directory('lib');
final binDir = Directory('bin');
final offenders = <String>[];
for (final dir in [libDir, binDir]) {
if (!await dir.exists()) continue;
await for (final entity in dir.list(recursive: true)) {
if (entity is! File || !entity.path.endsWith('.dart')) continue;
final content = await entity.readAsString();
if (content.contains('package:flutter/') || content.contains('dart:ui')) {
offenders.add(entity.path);
}
}
}
expect(offenders, isEmpty, reason: 'Flutter imports in server: $offenders');
});
test('server starts, answers /health, stops cleanly', () async {
final server = RoomServer(const AppConfig(port: 0, secret: 't', name: 'test'));
await server.start();
expect(server.isRunning, isTrue);
final port = server.boundPort;
expect(port, greaterThan(0));
final client = HttpClient();
try {
final req = await client.get('127.0.0.1', port, '/health');
final resp = await req.close();
expect(resp.statusCode, 200);
final body = await resp.transform(const SystemEncoding().decoder).join();
expect(body, contains('test'));
} finally {
client.close();
}
await server.stop();
expect(server.isRunning, isFalse);
});
test('unknown path returns 404', () async {
final server = RoomServer(const AppConfig(port: 0, secret: 't', name: 'test'));
await server.start();
final client = HttpClient();
try {
final req = await client.get('127.0.0.1', server.boundPort, '/nope');
final resp = await req.close();
expect(resp.statusCode, 404);
await resp.drain();
} finally {
client.close();
}
await server.stop();
});
}
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import 'package:sync_relay_core/core.dart';
import 'package:sync_relay_server/server.dart';
import 'package:test/test.dart';
void main() {
group('Session model', () {
test('tokens are unique 128-bit hex', () {
final s = Session(id: 'default', secret: 'shh');
final a = s.issueToken('alice', '');
final b = s.issueToken('bob', '');
expect(a, hasLength(32));
expect(a, isNot(b));
expect(RegExp(r'^[0-9a-f]{32}$').hasMatch(a), isTrue);
});
test('gate: unknown -> unauthorized, known -> ok', () {
final s = Session(id: 'default', secret: 'shh');
expect(s.gate(null), MediaGate.unauthorized);
expect(s.gate('nope'), MediaGate.unauthorized);
final t = s.issueToken('alice', '');
expect(s.gate(t), MediaGate.ok);
});
test('kick unknown throws, kick known forbids + drops', () async {
final s = Session(id: 'default', secret: 'shh');
expect(() => s.kick('nope'), throwsA(isA<AuthException>()));
final t = s.issueToken('mallory', '');
var dropped = false;
String? gotReason;
s.tokens[t]!.onKick = (reason) async {
dropped = true;
gotReason = reason;
};
await s.kick(t, reason: 'idle');
expect(s.gate(t), MediaGate.forbidden);
expect(dropped, isTrue);
expect(gotReason, 'idle');
});
test('oversize avatar rejected', () {
final s = Session(id: 'default', secret: 'shh');
final big = 'x' * (RelayConstants.maxAvatarBytes + 1);
expect(() => s.issueToken('alice', big), throwsA(isA<AuthException>()));
});
test('names truncated to cap, blank becomes ?', () {
final s = Session(id: 'default', secret: 'shh');
final long = s.issueToken('a' * 100, '');
expect(s.tokens[long]!.name, hasLength(RelayConstants.maxNameLength));
final blank = s.issueToken(' ', '');
expect(s.tokens[blank]!.name, '?');
});
test('byte counters accumulate', () { final s = Session(id: 'default', secret: 'shh');
final a = s.issueToken('alice', '');
final b = s.issueToken('bob', '');
s.addBytes(a, 100);
s.addBytes(b, 50);
s.addBytes('ghost', 999);
expect(s.tokens[a]!.bytesServed, 100);
expect(s.totalBytesServed, 150);
});
test('SessionMap create/get/drop', () {
final m = SessionMap();
expect(m.get('default'), isNull);
final s = m.getOrCreate('default', 'shh');
expect(m.get('default'), same(s));
expect(m.getOrCreate('default', 'other'), same(s));
m.drop('default');
expect(m.get('default'), isNull);
});
});
group('core welcome + proto', () {
test('proto bumped to 4 for readiness + room fan-out', () {
expect(RelayConstants.protoVersion, 4);
});
test('welcome round-trips with token + member id', () {
const w = WelcomeMessage(token: 'abc', memberId: 'm1', mediaUrl: 'http://h/m');
final back = WelcomeMessage.fromJson(Map<String, Object?>.from(w.toJson()));
expect(back.token, 'abc');
expect(back.memberId, 'm1');
expect(back.mediaUrl, 'http://h/m');
expect(back.state, isNull);
});
test('welcome rejects wrong type', () {
expect(() => WelcomeMessage.fromJson({'t': 'hello'}), throwsA(isA<ProtocolException>()));
});
test('kicked + kick request round-trip', () {
const k = KickedMessage(reason: 'idle');
final back = KickedMessage.fromJson(Map<String, Object?>.from(k.toJson()));
expect(back.reason, 'idle');
const r = KickRequest(target: 'abc', reason: 'afk?');
final backR = KickRequest.fromJson(Map<String, Object?>.from(r.toJson()));
expect(backR.target, 'abc');
expect(backR.reason, 'afk?');
expect(() => KickedMessage.fromJson({'t': 'err'}), throwsA(isA<ProtocolException>()));
expect(() => KickRequest.fromJson({'t': 'err'}), throwsA(isA<ProtocolException>()));
});
test('lastSeen touch + stale helper', () {
final s = Session(id: 'default', secret: 'shh');
final t = s.issueToken('alice', '');
final viewer = s.tokens[t]!;
expect(viewer.isStale(const Duration(seconds: 30)), isFalse);
viewer.touch(DateTime.utc(2020, 1, 1));
expect(viewer.isStale(const Duration(seconds: 30)), isTrue);
expect(viewer.isStale(const Duration(seconds: 30), DateTime.utc(2020, 1, 1, 0, 0, 10)), isFalse);
});
});
}