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baron-sso/userfront/lib/features/dashboard/domain/session_time_resolver.dart

51 lines
1.2 KiB
Dart

import 'dart:convert';
import '../../profile/data/models/user_profile_model.dart';
DateTime? resolveDashboardSessionIssuedAt({
String? token,
UserProfile? profile,
}) {
final tokenIssuedAt = _getJwtIssuedAt(token);
if (tokenIssuedAt != null) {
return tokenIssuedAt;
}
return _parseSessionAuthenticatedAt(profile?.sessionAuthenticatedAt);
}
DateTime? _getJwtIssuedAt(String? token) {
if (token == null || token.isEmpty) {
return null;
}
try {
final parts = token.split('.');
if (parts.length != 3) {
return null;
}
final payload = utf8.decode(
base64Url.decode(base64Url.normalize(parts[1])),
);
final data = json.decode(payload) as Map<String, dynamic>;
final iatValue = data['iat'] ?? data['auth_time'];
if (iatValue is num) {
return DateTime.fromMillisecondsSinceEpoch(
iatValue.toInt() * 1000,
).toLocal();
}
} catch (_) {
return null;
}
return null;
}
DateTime? _parseSessionAuthenticatedAt(String? value) {
if (value == null || value.trim().isEmpty) {
return null;
}
try {
return DateTime.parse(value).toLocal();
} catch (_) {
return null;
}
}