95 lines
2.6 KiB
Dart
95 lines
2.6 KiB
Dart
import 'package:dio/dio.dart';
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import 'package:flutter_riverpod/flutter_riverpod.dart';
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import 'package:frontend/providers/auth.dart';
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import 'package:logging/logging.dart';
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import 'package:riverpod_annotation/riverpod_annotation.dart';
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import 'package:shared_models/jwt.dart';
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part 'dio.g.dart';
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final logger = Logger('Dio');
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@riverpod
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Dio dio(Ref ref) {
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final dio = Dio(BaseOptions(
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baseUrl: 'http://localhost:8080',
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connectTimeout: const Duration(seconds: 5),
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receiveTimeout: const Duration(seconds: 3),
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));
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final jwt = ref.watch(jwtNotifierProvider).valueOrNull;
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final jwtBody = ref.read(jwtBodyProvider);
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dio.interceptors.addAll([
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JwtInterceptor(
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jwt: jwt, jwtBody: jwtBody, invalidateJwtCallback: () => ref.read(jwtNotifierProvider.notifier).eraseJwt()),
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CustomLogInterceptor()
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]);
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logger.fine('Created new Dio object');
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return dio;
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}
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// Adds the jwt to
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class JwtInterceptor extends Interceptor {
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final String? jwt;
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final JWTBody? jwtBody;
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final Function invalidateJwtCallback;
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JwtInterceptor({required this.jwt, required this.jwtBody, required this.invalidateJwtCallback});
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@override
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void onRequest(RequestOptions options, RequestInterceptorHandler handler) {
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if (jwt == null || jwtBody == null) {
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handler.next(options);
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return;
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}
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if (jwtBody != null && jwtBody!.exp < DateTime.now().millisecondsSinceEpoch ~/ 1000) {
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invalidateJwtCallback();
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handler.next(options);
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return;
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}
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if (jwt != null) {
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options.headers['Authorization'] = 'Bearer $jwt';
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handler.next(options);
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}
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}
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// on unauthorized request, remove jwt
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@override
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// ignore: strict_raw_type
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void onResponse(Response response, ResponseInterceptorHandler handler) {
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if (response.statusCode == 401) {
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invalidateJwtCallback();
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}
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handler.next(response);
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}
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}
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// Create a custom LogInterceptor using the logger object
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class CustomLogInterceptor extends Interceptor {
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@override
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void onRequest(RequestOptions options, RequestInterceptorHandler handler) {
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logger.info('REQUEST[${options.method}] => PATH: ${options.path}');
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return super.onRequest(options, handler);
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}
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@override
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// ignore: strict_raw_type
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void onResponse(Response response, ResponseInterceptorHandler handler) {
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logger.info(
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'RESPONSE[${response.statusCode}] => PATH: ${response.requestOptions.path}',
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);
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return super.onResponse(response, handler);
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}
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@override
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void onError(DioException err, ErrorInterceptorHandler handler) {
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logger.severe(
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'ERROR[${err.response?.statusCode}] => PATH: ${err.requestOptions.path}',
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);
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return super.onError(err, handler);
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}
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}
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