deleting old safety checks and connect polish
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@@ -7,104 +7,82 @@ import 'package:revoltvpn/logic/app_config.dart';
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import 'package:revoltvpn/logic/crypto_service.dart';
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class HivemindService {
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/// Nonce generated at the start of a connect cycle.
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/// Sent to the server during session creation and verified in every poll
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/// response so we never accidentally resume a stale session.
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static String? _expectedNonce;
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static int _currentCallId = 0;
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/// Call this from disconnect to abort any in-progress polling.
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static void cancel() {
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_currentCallId++; // bump — any running loop sees a stale ID and exits
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}
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/// Stores a nonce so that fetchConfigWithPolling can verify it.
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/// Called by AdManager.showAd() before showing a rewarded ad so the
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/// subsequent poll accepts only the session created by *this* ad.
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static void setExpectedNonce(String nonce) {
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_expectedNonce = nonce;
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}
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/// Polls the Hivemind server until the session is ready or timeout occurs.
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/// Returns a VLESS connection URL string.
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///
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/// [onAttempt] is called after each poll with (current, total) so the UI
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/// can show progress (e.g. "Contacting server (3/15)…").
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/// Tries to fetch the VLESS config from the server.
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/// Only polls a few times — by the time the ad finishes, the SSV callback
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/// has usually already fired.
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static Future<String> fetchConfigWithPolling({
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void Function(int attempt, int total)? onAttempt,
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}) async {
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final deviceId = await CryptoService.getDeviceId();
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// ── Generate a connect nonce ──────────────────────────────────────
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final callId = ++_currentCallId;
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final nonce = '${Random().nextInt(0x7FFFFFFF)}-${DateTime.now().millisecondsSinceEpoch}';
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_expectedNonce = nonce;
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debugPrint('[HivemindService] Connect nonce: $nonce');
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debugPrint('[HivemindService] Call #$callId — nonce: $nonce');
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final url = Uri.parse('${AppConfig.hivemindApiBase}/session/status?device_id=$deviceId');
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// ── AD BYPASS (debug only) ────────────────────────────────────────
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if (kDebugMode) {
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try {
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final customData = jsonEncode({
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'device_id': deviceId,
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'nonce': nonce,
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});
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final fakeAdmobPingUrl = Uri.parse(
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final customData = jsonEncode({'device_id': deviceId, 'nonce': nonce});
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final fakeUrl = Uri.parse(
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'${AppConfig.hivemindApiBase}/admob/callback?signature=test&key_id=test&custom_data=${Uri.encodeComponent(customData)}');
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await http.get(fakeAdmobPingUrl).timeout(const Duration(seconds: 8));
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await http.get(fakeUrl).timeout(const Duration(seconds: 8));
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} catch (_) {}
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}
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// ───────────────────────────────────────────────────────────────────
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int attempts = 0;
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while (attempts < 15) {
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debugPrint('[HivemindService] Polling attempt ${attempts + 1}/15…');
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onAttempt?.call(attempts + 1, 15);
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const maxAttempts = 5;
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for (int i = 1; i <= maxAttempts; i++) {
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if (_currentCallId != callId) throw Exception('Cancelled');
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onAttempt?.call(i, maxAttempts);
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try {
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final response = await http.get(url).timeout(const Duration(seconds: 10));
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final response = await http.get(url).timeout(const Duration(seconds: 5));
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if (response.statusCode == 200) {
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final data = jsonDecode(response.body);
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debugPrint('[HivemindService] Session found, checking nonce…');
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// ── Nonce gate ──────────────────────────────────────────────
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final serverNonce = data['nonce'] as String?;
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if (_expectedNonce != null && serverNonce != null && serverNonce != _expectedNonce) {
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debugPrint('[HivemindService] Nonce mismatch (expected $_expectedNonce, got $serverNonce) — stale session, retrying…');
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debugPrint('[HivemindService] Nonce mismatch — retrying…');
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} else if (data['active'] == true && data['vless_uuid'] != null) {
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final vlessUuid = data['vless_uuid'];
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// Build VLESS connection URL
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final vlessUrl = 'vless://$vlessUuid@${AppConfig.serverDomain}:${AppConfig.serverPort}'
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'?path=${Uri.encodeComponent(AppConfig.vlessPath)}'
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'&security=${AppConfig.vlessSecurity}'
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'&type=${AppConfig.vlessType}'
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'#ReVoltVPN';
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_expectedNonce = null; // consumed successfully
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_expectedNonce = null;
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return vlessUrl;
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} else if (data['active'] == true && data['client_ip'] != null) {
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// Server is still running AWG — VLESS client cannot use this.
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debugPrint('[HivemindService] Server returned AWG format (client_ip) — server migration needed.');
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throw Exception('Server is running the old AWG protocol. '
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'Please update the server to VLESS.');
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}
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} else {
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debugPrint('[HivemindService] Non-200 status: ${response.statusCode}');
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}
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} catch (e) {
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debugPrint('[HivemindService] Polling exception: $e');
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// Ignore network errors and keep polling
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if (e.toString().contains('Cancelled')) rethrow;
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debugPrint('[HivemindService] Attempt $i failed: $e');
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}
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attempts++;
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await Future.delayed(const Duration(seconds: 2));
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if (i < maxAttempts) await Future.delayed(const Duration(seconds: 1));
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}
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throw Exception("Session not activated. S2S callback failed or timed out.");
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throw Exception('Session not activated. Server callback may have timed out.');
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}
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/// Quick one-shot check: does the server have a live session for this device?
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static Future<bool> verifySession() async {
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try {
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final deviceId = await CryptoService.getDeviceId();
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final url = Uri.parse(
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'${AppConfig.hivemindApiBase}/session/status?device_id=$deviceId');
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final url = Uri.parse('${AppConfig.hivemindApiBase}/session/status?device_id=$deviceId');
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final response = await http.get(url).timeout(const Duration(seconds: 5));
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if (response.statusCode == 200) {
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final data = jsonDecode(response.body);
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@@ -114,7 +92,6 @@ class HivemindService {
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return false;
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}
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/// Disconnects the session (cleans up on server)
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static Future<void> disconnectAndCleanup() async {
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final deviceId = await CryptoService.getDeviceId();
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final url = Uri.parse('${AppConfig.hivemindApiBase}/session/stop');
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@@ -124,9 +101,6 @@ class HivemindService {
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headers: {'Content-Type': 'application/json'},
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body: jsonEncode({'device_id': deviceId}),
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).timeout(const Duration(seconds: 3));
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} catch (_) {
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// Best effort cleanup
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}
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} catch (_) {}
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}
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}
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