Merge pull request 'persist encrypt shared' (#41) from feature/add-encrypted-sharepreferences into main

Reviewed-on: #41

covas_mobile/lib/classes/MyDrawer.dart

@@ -10,6 +10,8 @@ import 'alert.dart';
 import '../variable/globals.dart' as globals;
 
 import '../pages/LoginDemo.dart';
+import 'package:flutter_dotenv/flutter_dotenv.dart'; // Import dotenv
+import 'package:encrypt_shared_preferences/provider.dart';
 
 class MyDrawer extends StatelessWidget with ShowAlertDialog {
   Future<void> logout(BuildContext context) async {
@@ -28,7 +30,20 @@ class MyDrawer extends StatelessWidget with ShowAlertDialog {
         print("Status code logout ${response.statusCode}");
 
         if (response.statusCode == 200) {
-          await prefs.remove("access_token"); // Correctly remove the token
+          await prefs.remove("access_token");
+          await dotenv.load(fileName: ".env"); // Load .env file
+
+          final keyEncrypt = dotenv.env['KEY_ENCRYPT'] ?? '';
+          if (keyEncrypt.isNotEmpty) {
+            await EncryptedSharedPreferences.initialize(keyEncrypt);
+            var sharedPref = EncryptedSharedPreferences.getInstance();
+            String username = sharedPref.getString("username") ?? "";
+            String password = sharedPref.getString("password") ?? "";
+            if ((username.isEmpty) || (password.isEmpty)) {
+              sharedPref.remove("username");
+              sharedPref.remove("password");
+            }
+          }
           Navigator.pushAndRemoveUntil(
             context,
             MaterialPageRoute(builder: (_) => LoginDemo()),

covas_mobile/lib/classes/auth_service.dart

@@ -4,7 +4,9 @@ import 'package:http/http.dart' as http;
 import '../variable/globals.dart' as globals;
 import 'dart:io';
 import 'package:flutter/material.dart';
+import 'package:encrypt_shared_preferences/provider.dart';
 import '../pages/LoginDemo.dart';
+import 'package:flutter_dotenv/flutter_dotenv.dart'; // Import dotenv
 
 class AuthService {
   // Login with username and password
@@ -19,15 +21,22 @@ class AuthService {
           'accept': 'application/json',
           'Content-Type': 'application/x-www-form-urlencoded',
         },
-        body: {
-          "username": username,
-          "password": password,
-          "remember_me": rememberMe.toString()
-        },
+        body: {"username": username, "password": password},
       );
 
       if (response.statusCode == 200 || response.statusCode == 201) {
         final prefs = await SharedPreferences.getInstance();
+        if (rememberMe) {
+          await dotenv.load(fileName: ".env"); // Load .env file
+
+          final keyEncrypt = dotenv.env['KEY_ENCRYPT'] ?? '';
+          if (keyEncrypt.isNotEmpty) {
+            await EncryptedSharedPreferences.initialize(keyEncrypt);
+            var sharedPref = EncryptedSharedPreferences.getInstance();
+            sharedPref.setString("username", username);
+            sharedPref.setString("password", password);
+          }
+        }
         final cookies = response.headers["set-cookie"]?.split(";") ?? [];
 
         for (final cookie in cookies) {
@@ -81,8 +90,25 @@ class AuthService {
         return true;
       } else {
         print("Token is invalid. Status code: ${response.statusCode}");
-        await prefs.remove("access_token"); // Clear invalid token
-        return false;
+        await dotenv.load(fileName: ".env"); // Load .env file
+
+        final keyEncrypt = dotenv.env['KEY_ENCRYPT'] ?? '';
+        if (keyEncrypt.isNotEmpty) {
+          await EncryptedSharedPreferences.initialize(keyEncrypt);
+          var sharedPref = EncryptedSharedPreferences.getInstance();
+          String username = sharedPref.getString("username") ?? "";
+          String password = sharedPref.getString("password") ?? "";
+          if ((username.isEmpty) || (password.isEmpty)) {
+            sharedPref.remove("username");
+            sharedPref.remove("password");
+            await prefs.remove("access_token"); // Clear invalid token
+            return false;
+          } else {
+            return login(username, password);
+          }
+        } else {
+          return false;
+        }
       }
     } catch (e) {
       print("Error while checking token: $e");

covas_mobile/pubspec.lock

@@ -9,6 +9,22 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "3.6.1"
+  args:
+    dependency: transitive
+    description:
+      name: args
+      sha256: bf9f5caeea8d8fe6721a9c358dd8a5c1947b27f1cfaa18b39c301273594919e6
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.6.0"
+  asn1lib:
+    dependency: transitive
+    description:
+      name: asn1lib
+      sha256: "4bae5ae63e6d6dd17c4aac8086f3dec26c0236f6a0f03416c6c19d830c367cf5"
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.5.8"
   async:
     dependency: transitive
     description:
@@ -89,6 +105,14 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "1.18.0"
+  convert:
+    dependency: transitive
+    description:
+      name: convert
+      sha256: b30acd5944035672bc15c6b7a8b47d773e41e2f17de064350988c5d02adb1c68
+      url: "https://pub.dev"
+    source: hosted
+    version: "3.1.2"
   cross_file:
     dependency: transitive
     description:
@@ -137,6 +161,22 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "2.0.0"
+  encrypt:
+    dependency: transitive
+    description:
+      name: encrypt
+      sha256: "62d9aa4670cc2a8798bab89b39fc71b6dfbacf615de6cf5001fb39f7e4a996a2"
+      url: "https://pub.dev"
+    source: hosted
+    version: "5.0.3"
+  encrypt_shared_preferences:
+    dependency: "direct main"
+    description:
+      name: encrypt_shared_preferences
+      sha256: "35cd218e5e9d12fe4a63a545f46f2144d861909e4c4f2c4606fc75ffb53d9a46"
+      url: "https://pub.dev"
+    source: hosted
+    version: "0.8.8"
   fake_async:
     dependency: transitive
     description:
@@ -648,6 +688,14 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "2.1.8"
+  pointycastle:
+    dependency: transitive
+    description:
+      name: pointycastle
+      sha256: "4be0097fcf3fd3e8449e53730c631200ebc7b88016acecab2b0da2f0149222fe"
+      url: "https://pub.dev"
+    source: hosted
+    version: "3.9.1"
   shared_preferences:
     dependency: "direct main"
     description:

covas_mobile/pubspec.yaml

@@ -51,6 +51,7 @@ dependencies:
   url_launcher: ^6.3.1
   mapbox_gl: ^0.16.0
   google_mobile_ads: ^5.3.1
+  encrypt_shared_preferences: ^0.8.8
 
 dev_dependencies:
   flutter_test: