61 lines
1.8 KiB
Dart
61 lines
1.8 KiB
Dart
import 'package:jwt_decoder/jwt_decoder.dart';
|
|
import 'package:logging/logging.dart';
|
|
import 'package:riverpod_annotation/riverpod_annotation.dart';
|
|
import 'package:shared_models/jwt.dart';
|
|
import 'package:shared_preferences/shared_preferences.dart';
|
|
|
|
part 'auth.g.dart';
|
|
|
|
final logger = Logger('provider/auth');
|
|
|
|
@riverpod
|
|
class JwtNotifier extends _$JwtNotifier {
|
|
@override
|
|
Future<JWTBody?> build() async {
|
|
if (!await SharedPreferencesAsync().containsKey('jwt')) {
|
|
logger.fine('No JWT saved to client');
|
|
return null;
|
|
}
|
|
final jwtString = await SharedPreferencesAsync().getString('jwt');
|
|
if (jwtString == null) {
|
|
logger.fine('Saved JWT came back null, removing key');
|
|
SharedPreferencesAsync().remove('jwt');
|
|
return null;
|
|
}
|
|
|
|
final payload = JwtDecoder.tryDecode(jwtString);
|
|
if (payload == null) {
|
|
logger.fine('Failed to decode JWT, removing key.');
|
|
SharedPreferencesAsync().remove('jwt');
|
|
return null;
|
|
}
|
|
|
|
try {
|
|
final body = JWTBody.fromJson(payload);
|
|
return body;
|
|
} catch (e) {
|
|
logger.shout('Failed to parse JWT payload to JWTBody, something is wrong:', e, StackTrace.current);
|
|
return null;
|
|
}
|
|
}
|
|
|
|
Future<void> setJwt(String jwt) async {
|
|
final payload = JwtDecoder.tryDecode(jwt);
|
|
if (payload == null) {
|
|
logger.info('Tried to set JWT token that did not decode to payload');
|
|
state = AsyncValue.error('JWT set to invalid token', StackTrace.current);
|
|
return;
|
|
}
|
|
|
|
logger.fine('Saving jwt token to shared prefs');
|
|
await SharedPreferencesAsync().setString('jwt', jwt);
|
|
|
|
try {
|
|
final jwtBody = JWTBody.fromJson(payload);
|
|
state = AsyncValue.data(jwtBody);
|
|
} catch (e) {
|
|
state = AsyncError(e, StackTrace.current);
|
|
}
|
|
}
|
|
}
|