75 lines
2.5 KiB
Dart
75 lines
2.5 KiB
Dart
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import 'package:flutter/material.dart';
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import 'package:flutter/services.dart';
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import 'package:flutter_appauth/flutter_appauth.dart';
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import 'package:swifty/methods/api.dart';
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import 'package:flutter_dotenv/flutter_dotenv.dart';
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const FlutterAppAuth _appAuth = FlutterAppAuth();
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Future<void> redirect_to_oauth(BuildContext context) async {
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String _clientId = dotenv.get('CLIENT-ID');
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String _clientSecret = dotenv.get('CLIENT-SECRET');
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const String _redirectUrl = 'swifty-companion://oauth2/callback';
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const String _authorizationEndpoint = 'https://api.intra.42.fr/oauth/authorize';
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const String _tokenEndpoint = 'https://api.intra.42.fr/oauth/token';
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final request = AuthorizationRequest(
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_clientId,
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_redirectUrl,
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serviceConfiguration: const AuthorizationServiceConfiguration(
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authorizationEndpoint: _authorizationEndpoint,
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tokenEndpoint: _tokenEndpoint,
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));
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try {
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final AuthorizationResponse? result = await _appAuth.authorize(request);
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if (result == null) { throw PlatformException(code: "fatal_error"); }
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final token_request = TokenRequest(
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_clientId,
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_redirectUrl,
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clientSecret: _clientSecret,
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authorizationCode: result.authorizationCode,
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grantType: 'authorization_code',
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serviceConfiguration: const AuthorizationServiceConfiguration(
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authorizationEndpoint: "https://api.intra.42.fr/oauth/authorize",
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tokenEndpoint: _tokenEndpoint,
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),
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);
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final TokenResponse? tokenResponse = await _appAuth.token(token_request);
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saveToken(tokenResponse?.accessToken ?? '', tokenResponse?.refreshToken ?? '', tokenResponse?.accessTokenExpirationDateTime ?? DateTime.now());
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Navigator.pushReplacementNamed(context, "/home");
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}
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on PlatformException catch (e)
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{
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if (e.code == "authorize_failed" && e.message?.contains('User cancelled flow') == true) { return; }
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}
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catch (e) {
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return;
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}
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}
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class LoginScreen extends StatelessWidget {
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const LoginScreen({super.key});
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@override
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Widget build(BuildContext context) {
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return Scaffold(
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appBar: AppBar(title: const Text("Login")),
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body: Stack(
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fit: StackFit.expand,
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children: [
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Image.asset(
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'assets/images/cluster-photo-00.jpg',
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fit: BoxFit.cover,
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),
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Center(
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child: ElevatedButton(
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onPressed: () {
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redirect_to_oauth(context);
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},
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child: const Text('Login into 42 API'),
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),
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),
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],
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),
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);
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}
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} |