78 lines
2.3 KiB
Dart
78 lines
2.3 KiB
Dart
import 'dart:convert';
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import 'dart:developer';
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import 'package:equatable/equatable.dart';
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class AuthToken extends Equatable {
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final String accessToken;
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final DateTime expiresAt;
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final bool tnc;
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const AuthToken({
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required this.accessToken,
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required this.expiresAt,
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required this.tnc,
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});
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factory AuthToken.fromJson(Map<String, dynamic> json) {
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final token = json['token'];
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return AuthToken(
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accessToken: token,
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expiresAt: _decodeExpiryFromToken(token), // Keep existing method for expiry
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tnc: _decodeTncFromToken(token), // Use new method for tnc
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);
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}
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static DateTime _decodeExpiryFromToken(String token) {
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try {
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final parts = token.split('.');
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if (parts.length != 3) {
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throw Exception('Invalid JWT');
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}
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final payload = parts[1];
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// Pad the payload if necessary
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String normalized = base64Url.normalize(payload);
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final payloadMap = json.decode(utf8.decode(base64Url.decode(normalized)));
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if (payloadMap is! Map<String, dynamic> ||
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!payloadMap.containsKey('exp')) {
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throw Exception('Invalid payload');
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}
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final exp = payloadMap['exp'];
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return DateTime.fromMillisecondsSinceEpoch(exp * 1000);
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} catch (e) {
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// Fallback: 1 hour from now if decoding fails
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log(e.toString());
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return DateTime.now().add(const Duration(hours: 1));
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}
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}
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static bool _decodeTncFromToken(String token) {
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try {
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final parts = token.split('.');
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if (parts.length != 3) {
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throw Exception('Invalid JWT format for TNC decoding');
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}
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final payload = parts[1];
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String normalized = base64Url.normalize(payload);
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final payloadMap = json.decode(utf8.decode(base64Url.decode(normalized)));
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if (payloadMap is! Map<String, dynamic> || !payloadMap.containsKey('tnc')) {
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// If 'tnc' is not present in the payload, default to false
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return false;
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}
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// Assuming 'tnc' is directly a boolean in the JWT payload
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return payloadMap['tnc'] as bool;
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} catch (e) {
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log('Error decoding tnc from token: $e');
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// Default to false if decoding fails or 'tnc' is not found/invalid
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return false;
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}
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}
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bool get isExpired => DateTime.now().isAfter(expiresAt);
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@override
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List<Object> get props => [accessToken, expiresAt, tnc];
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}
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