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180 lines
5.7 KiB
180 lines
5.7 KiB
import 'dart:convert';
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import 'dart:typed_data';
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import 'package:http/http.dart' as http;
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import 'package:flutter/material.dart';
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import 'package:pointycastle/impl.dart';
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import '/components/flash_message.dart';
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import '/components/custom_title_bar.dart';
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import '/models/my_profile.dart';
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import '/utils/encryption/aes_helper.dart';
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import '/utils/encryption/crypto_utils.dart';
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import '/utils/storage/session_cookie.dart';
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@immutable
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class ChangePassword extends StatelessWidget {
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ChangePassword({
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Key? key,
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required this.privateKey
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}) : super(key: key);
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final RSAPrivateKey privateKey;
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final _formKey = GlobalKey<FormState>();
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final TextEditingController _currentPasswordController = TextEditingController();
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final TextEditingController _newPasswordController = TextEditingController();
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final TextEditingController _newPasswordConfirmController = TextEditingController();
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bool invalidCurrentPassword = false;
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@override
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Widget build(BuildContext context) {
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return Scaffold(
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appBar: const CustomTitleBar(
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title: Text(
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'Profile',
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style: TextStyle(
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fontSize: 32,
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fontWeight: FontWeight.bold
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)
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),
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showBack: true,
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backgroundColor: Colors.transparent,
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),
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body: Form(
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key: _formKey,
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child: Padding(
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padding: const EdgeInsets.only(
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left: 20,
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right: 20,
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top: 30,
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),
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child: Column(
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crossAxisAlignment: CrossAxisAlignment.center,
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children: [
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const Text(
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'Change Password',
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style: TextStyle(
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fontSize: 25,
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),
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),
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const SizedBox(height: 30),
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TextFormField(
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controller: _currentPasswordController,
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decoration: const InputDecoration(
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hintText: 'Current Password',
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),
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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 your current password';
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}
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if (invalidCurrentPassword) {
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return 'Invalid 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: 10),
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TextFormField(
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controller: _newPasswordController,
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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: 'New Password',
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),
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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 new 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: 10),
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TextFormField(
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controller: _newPasswordConfirmController,
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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: 'Confirm Password',
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),
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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 'Confirm your password';
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}
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if (value != _newPasswordController.text) {
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return 'Passwords do not match';
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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: 15),
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ElevatedButton(
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onPressed: () {
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if (!_formKey.currentState!.validate()) {
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return;
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}
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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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_changePassword(context)
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.then((dynamic) {
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Navigator.of(context).pop();
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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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Future<void> _changePassword(BuildContext context) async {
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String privateKeyPem = CryptoUtils.encodeRSAPrivateKeyToPem(privateKey);
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String privateKeyEncrypted = AesHelper.aesEncrypt(
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_newPasswordController.text,
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Uint8List.fromList(privateKeyPem.codeUnits),
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);
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String payload = jsonEncode({
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'old_password': _currentPasswordController.text,
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'new_password': _newPasswordController.text,
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'new_password_confirm': _newPasswordConfirmController.text,
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'private_key': privateKeyEncrypted,
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});
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var resp = await http.post(
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await MyProfile.getServerUrl('api/v1/auth/change_password'),
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headers: <String, String>{
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'Content-Type': 'application/json; charset=UTF-8',
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'cookie': await getSessionCookie(),
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},
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body: payload,
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);
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if (resp.statusCode == 403) {
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invalidCurrentPassword = true;
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_formKey.currentState!.validate();
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return;
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}
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if (resp.statusCode != 200) {
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showMessage(
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'An unexpected error occured, please try again later.',
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context,
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);
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}
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}
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}
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