get<T> static method

T? get<T>(String key)

Implementation

static T? get<T>(String key) {
  if (key == _tokenKeyOrNull()) {
    if (_tokenCache != null) return _tokenCache as T?;
    // One-time migration: a token saved by an older release still lives in
    // SharedPreferences. Read it synchronously, then move it to secure
    // storage and delete the plaintext copy (fire-and-forget).
    final raw = _p.getString('wt_session_$key');
    if (raw == null) return null;
    final decoded = WtSecurity.decode(raw, WtConfig.instance.secretKey);
    if (decoded == null) return null;
    String? tok;
    try {
      tok = json.decode(decoded) as String?;
    } catch (_) {
      tok = decoded;
    }
    if (tok == null || tok.isEmpty) return null;
    _tokenCache = tok;
    unawaited(_secure.write(key: _kSecureToken, value: tok));
    unawaited(_p.remove('wt_session_$key'));
    return tok as T?;
  }

  final raw = _p.getString('wt_session_$key');
  if (raw == null) return null;
  final decoded = WtSecurity.decode(raw, WtConfig.instance.secretKey);
  if (decoded == null) return null;
  try {
    return json.decode(decoded) as T;
  } catch (_) {
    return null;
  }
}