38 lines
1.0 KiB
Dart
38 lines
1.0 KiB
Dart
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import 'package:dio/dio.dart';
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import 'package:flutter/material.dart';
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import '../providers/auth_provider.dart';
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class TokenInterceptor extends Interceptor {
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final AuthProvider auth;
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final BuildContext context;
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final Dio dio;
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TokenInterceptor(this.auth, this.context, this.dio);
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@override
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void onRequest(RequestOptions options, RequestInterceptorHandler handler) {
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if (auth.token != null) {
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options.headers['Authorization'] = 'Bearer ${auth.token}';
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}
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handler.next(options);
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}
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@override
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void onError(DioException err, ErrorInterceptorHandler handler) async {
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if (err.response?.statusCode == 401 &&
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err.response?.data['message'] == 'Token has expired') {
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final refreshed = await auth.tryRefreshToken(context);
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if (refreshed) {
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err.requestOptions.headers['Authorization'] = 'Bearer ${auth.token}';
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final newResponse = await dio.fetch(err.requestOptions);
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return handler.resolve(newResponse);
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}
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}
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handler.next(err);
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}
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}
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