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@ -9,198 +9,201 @@ import '/utils/storage/encryption_keys.dart'; |
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import '/utils/storage/session_cookie.dart'; |
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class LoginResponse { |
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final String status; |
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final String message; |
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final String asymmetricPublicKey; |
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final String asymmetricPrivateKey; |
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const LoginResponse({ |
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required this.status, |
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required this.message, |
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required this.asymmetricPublicKey, |
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required this.asymmetricPrivateKey, |
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}); |
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factory LoginResponse.fromJson(Map<String, dynamic> json) { |
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return LoginResponse( |
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status: json['status'], |
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message: json['message'], |
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asymmetricPublicKey: json['asymmetric_public_key'], |
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asymmetricPrivateKey: json['asymmetric_private_key'], |
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); |
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} |
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final String status; |
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final String message; |
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final String asymmetricPublicKey; |
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final String asymmetricPrivateKey; |
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final String userId; |
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const LoginResponse({ |
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required this.status, |
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required this.message, |
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required this.asymmetricPublicKey, |
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required this.asymmetricPrivateKey, |
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required this.userId, |
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}); |
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factory LoginResponse.fromJson(Map<String, dynamic> json) { |
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return LoginResponse( |
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status: json['status'], |
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message: json['message'], |
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asymmetricPublicKey: json['asymmetric_public_key'], |
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asymmetricPrivateKey: json['asymmetric_private_key'], |
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userId: json['user_id'], |
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); |
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} |
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} |
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Future<LoginResponse> login(context, String username, String password) async { |
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final resp = await http.post( |
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Uri.parse('${dotenv.env["SERVER_URL"]}api/v1/login'), |
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headers: <String, String>{ |
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'Content-Type': 'application/json; charset=UTF-8', |
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}, |
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body: jsonEncode(<String, String>{ |
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'username': username, |
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'password': password, |
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}), |
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); |
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final resp = await http.post( |
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Uri.parse('${dotenv.env["SERVER_URL"]}api/v1/login'), |
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headers: <String, String>{ |
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'Content-Type': 'application/json; charset=UTF-8', |
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}, |
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body: jsonEncode(<String, String>{ |
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'username': username, |
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'password': password, |
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}), |
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); |
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if (resp.statusCode != 200) { |
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throw Exception(resp.body); |
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} |
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if (resp.statusCode != 200) { |
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throw Exception(resp.body); |
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} |
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String? rawCookie = resp.headers['set-cookie']; |
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if (rawCookie != null) { |
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int index = rawCookie.indexOf(';'); |
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setSessionCookie((index == -1) ? rawCookie : rawCookie.substring(0, index)); |
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} |
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String? rawCookie = resp.headers['set-cookie']; |
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if (rawCookie != null) { |
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int index = rawCookie.indexOf(';'); |
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setSessionCookie((index == -1) ? rawCookie : rawCookie.substring(0, index)); |
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} |
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LoginResponse response = LoginResponse.fromJson(jsonDecode(resp.body)); |
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LoginResponse response = LoginResponse.fromJson(jsonDecode(resp.body)); |
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var rsaPrivPem = AesHelper.aesDecrypt(password, base64.decode(response.asymmetricPrivateKey)); |
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var rsaPrivPem = AesHelper.aesDecrypt(password, base64.decode(response.asymmetricPrivateKey)); |
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debugPrint(rsaPrivPem); |
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debugPrint(rsaPrivPem); |
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var rsaPriv = CryptoUtils.rsaPrivateKeyFromPem(rsaPrivPem); |
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setPrivateKey(rsaPriv); |
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var rsaPriv = CryptoUtils.rsaPrivateKeyFromPem(rsaPrivPem); |
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setPrivateKey(rsaPriv); |
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final preferences = await SharedPreferences.getInstance(); |
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preferences.setBool('islogin', true); |
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final preferences = await SharedPreferences.getInstance(); |
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preferences.setBool('islogin', true); |
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preferences.setString('userId', response.userId); |
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return response; |
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return response; |
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} |
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class Login extends StatelessWidget { |
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const Login({Key? key}) : super(key: key); |
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static const String _title = 'Envelope'; |
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@override |
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Widget build(BuildContext context) { |
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return Scaffold( |
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backgroundColor: Colors.cyan, |
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appBar: AppBar( |
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title: null, |
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automaticallyImplyLeading: true, |
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//`true` if you want Flutter to automatically add Back Button when needed, |
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//or `false` if you want to force your own back button every where |
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leading: IconButton(icon: const Icon(Icons.arrow_back), |
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onPressed:() => { |
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Navigator.pop(context) |
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} |
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) |
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), |
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body: const SafeArea( |
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child: LoginWidget(), |
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), |
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); |
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} |
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const Login({Key? key}) : super(key: key); |
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static const String _title = 'Envelope'; |
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@override |
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Widget build(BuildContext context) { |
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return Scaffold( |
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backgroundColor: Colors.cyan, |
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appBar: AppBar( |
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title: null, |
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automaticallyImplyLeading: true, |
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//`true` if you want Flutter to automatically add Back Button when needed, |
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//or `false` if you want to force your own back button every where |
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leading: IconButton(icon: const Icon(Icons.arrow_back), |
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onPressed:() => { |
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Navigator.pop(context) |
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} |
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) |
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), |
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body: const SafeArea( |
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child: LoginWidget(), |
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), |
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); |
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} |
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} |
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class LoginWidget extends StatefulWidget { |
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const LoginWidget({Key? key}) : super(key: key); |
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const LoginWidget({Key? key}) : super(key: key); |
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@override |
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State<LoginWidget> createState() => _LoginWidgetState(); |
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@override |
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State<LoginWidget> createState() => _LoginWidgetState(); |
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} |
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class _LoginWidgetState extends State<LoginWidget> { |
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final _formKey = GlobalKey<FormState>(); |
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TextEditingController usernameController = TextEditingController(); |
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TextEditingController passwordController = TextEditingController(); |
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@override |
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Widget build(BuildContext context) { |
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const TextStyle _inputTextStyle = TextStyle(fontSize: 18, color: Colors.black); |
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final ButtonStyle _buttonStyle = ElevatedButton.styleFrom( |
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primary: Colors.white, |
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onPrimary: Colors.cyan, |
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minimumSize: const Size.fromHeight(50), |
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padding: const EdgeInsets.symmetric(horizontal: 10, vertical: 10), |
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textStyle: const TextStyle( |
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fontSize: 20, |
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fontWeight: FontWeight.bold, |
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color: Colors.red, |
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), |
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); |
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return Center( |
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child: Form( |
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key: _formKey, |
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child: Center( |
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child: Padding( |
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padding: const EdgeInsets.all(15), |
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child: Column( |
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mainAxisAlignment: MainAxisAlignment.center, |
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crossAxisAlignment: CrossAxisAlignment.center, |
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children: [ |
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const Text('Login', style: TextStyle(fontSize: 35, color: Colors.white),), |
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const SizedBox(height: 30), |
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TextFormField( |
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controller: usernameController, |
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decoration: const InputDecoration( |
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hintText: 'Username', |
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), |
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style: _inputTextStyle, |
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// The validator receives the text that the user has entered. |
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validator: (value) { |
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if (value == null || value.isEmpty) { |
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return 'Create a username'; |
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} |
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return null; |
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}, |
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), |
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const SizedBox(height: 5), |
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TextFormField( |
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controller: passwordController, |
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obscureText: true, |
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enableSuggestions: false, |
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autocorrect: false, |
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decoration: const InputDecoration( |
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hintText: 'Password', |
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), |
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style: _inputTextStyle, |
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// The validator receives the text that the user has entered. |
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validator: (value) { |
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if (value == null || value.isEmpty) { |
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return 'Enter a password'; |
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} |
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return null; |
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}, |
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), |
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const SizedBox(height: 5), |
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ElevatedButton( |
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style: _buttonStyle, |
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onPressed: () { |
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if (_formKey.currentState!.validate()) { |
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ScaffoldMessenger.of(context).showSnackBar( |
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const SnackBar(content: Text('Processing Data')), |
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); |
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login( |
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context, |
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usernameController.text, |
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passwordController.text, |
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).then((value) { |
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Navigator. |
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pushNamedAndRemoveUntil( |
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context, |
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'/home', |
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ModalRoute.withName('/home'), |
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); |
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}).catchError((error) { |
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print(error); // TODO: Show error on interface |
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}); |
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} |
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}, |
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child: const Text('Submit'), |
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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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); |
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} |
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final _formKey = GlobalKey<FormState>(); |
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TextEditingController usernameController = TextEditingController(); |
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TextEditingController passwordController = TextEditingController(); |
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@override |
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Widget build(BuildContext context) { |
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const TextStyle _inputTextStyle = TextStyle(fontSize: 18, color: Colors.black); |
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final ButtonStyle _buttonStyle = ElevatedButton.styleFrom( |
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primary: Colors.white, |
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onPrimary: Colors.cyan, |
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minimumSize: const Size.fromHeight(50), |
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padding: const EdgeInsets.symmetric(horizontal: 10, vertical: 10), |
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textStyle: const TextStyle( |
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fontSize: 20, |
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fontWeight: FontWeight.bold, |
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color: Colors.red, |
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), |
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); |
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return Center( |
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child: Form( |
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key: _formKey, |
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child: Center( |
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child: Padding( |
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padding: const EdgeInsets.all(15), |
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child: Column( |
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mainAxisAlignment: MainAxisAlignment.center, |
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crossAxisAlignment: CrossAxisAlignment.center, |
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children: [ |
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const Text('Login', style: TextStyle(fontSize: 35, color: Colors.white),), |
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const SizedBox(height: 30), |
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TextFormField( |
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controller: usernameController, |
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decoration: const InputDecoration( |
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hintText: 'Username', |
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), |
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style: _inputTextStyle, |
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// The validator receives the text that the user has entered. |
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validator: (value) { |
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if (value == null || value.isEmpty) { |
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return 'Create a username'; |
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} |
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return null; |
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}, |
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), |
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const SizedBox(height: 5), |
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TextFormField( |
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controller: passwordController, |
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obscureText: true, |
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enableSuggestions: false, |
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autocorrect: false, |
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decoration: const InputDecoration( |
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hintText: 'Password', |
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), |
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style: _inputTextStyle, |
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// The validator receives the text that the user has entered. |
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validator: (value) { |
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if (value == null || value.isEmpty) { |
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return 'Enter a password'; |
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} |
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return null; |
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}, |
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), |
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const SizedBox(height: 5), |
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ElevatedButton( |
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style: _buttonStyle, |
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onPressed: () { |
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if (_formKey.currentState!.validate()) { |
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ScaffoldMessenger.of(context).showSnackBar( |
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const SnackBar(content: Text('Processing Data')), |
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); |
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login( |
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context, |
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usernameController.text, |
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passwordController.text, |
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).then((value) { |
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Navigator. |
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pushNamedAndRemoveUntil( |
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context, |
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'/home', |
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ModalRoute.withName('/home'), |
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); |
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}).catchError((error) { |
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print(error); // TODO: Show error on interface |
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}); |
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} |
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}, |
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child: const Text('Submit'), |
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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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); |
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} |
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} |