added "UserPermissionTesting_CS_WinForms" project

2026-05-31 15:08:26 +03:00
parent 1ea9de0042
commit 374067dd2e
26 changed files with 2213 additions and 427 deletions
@@ -0,0 +1,145 @@
+using System;
+using System.Collections.Generic;
+using System.IO;
+using Newtonsoft.Json;
+
+namespace UserPermissionTest_CS_WinForms
+{
+    public class JsonUserRepository : IUserRepository
+    {
+        private const string UsersFile = "users.json";
+        private const string PermissionsFile = "permissions.json";
+
+        public List<User> LoadUsers()
+        {
+            if (!File.Exists(UsersFile))
+            {
+                var defaults = GetDefaultUsers();
+                SaveUsers(defaults);
+                return defaults;
+            }
+
+            try
+            {
+                string json = File.ReadAllText(UsersFile);
+                var users = JsonConvert.DeserializeObject<List<User>>(json);
+                if (users == null) return GetDefaultUsers();
+
+                // Dynamic Migration: If any loaded user has a plain text password, hash it and re-save
+                bool modified = false;
+                foreach (var user in users)
+                {
+                    if (user.Password.Length != 64 || !IsHexString(user.Password))
+                    {
+                        user.Password = PasswordHasher.HashPassword(user.Password);
+                        modified = true;
+                    }
+                }
+
+                if (modified)
+                {
+                    SaveUsers(users);
+                }
+
+                return users;
+            }
+            catch (Exception ex)
+            {
+                Console.WriteLine("Error reading users JSON, falling back to defaults: " + ex.Message);
+                return GetDefaultUsers();
+            }
+        }
+
+        private bool IsHexString(string str)
+        {
+            if (string.IsNullOrEmpty(str)) return false;
+            foreach (char c in str)
+            {
+                if (!((c >= '0' && c <= '9') || (c >= 'a' && c <= 'f') || (c >= 'A' && c <= 'F')))
+                    return false;
+            }
+            return true;
+        }
+
+        public void SaveUsers(List<User> users)
+        {
+            try
+            {
+                string json = JsonConvert.SerializeObject(users, Formatting.Indented);
+                File.WriteAllText(UsersFile, json);
+            }
+            catch (Exception ex)
+            {
+                Console.WriteLine("Error writing users JSON: " + ex.Message);
+            }
+        }
+
+        public List<string> LoadPermissions()
+        {
+            if (!File.Exists(PermissionsFile))
+            {
+                var defaults = GetDefaultPermissions();
+                SavePermissions(defaults);
+                return defaults;
+            }
+
+            try
+            {
+                string json = File.ReadAllText(PermissionsFile);
+                var permissions = JsonConvert.DeserializeObject<List<string>>(json);
+                return permissions ?? GetDefaultPermissions();
+            }
+            catch (Exception ex)
+            {
+                Console.WriteLine("Error reading permissions JSON, falling back to defaults: " + ex.Message);
+                return GetDefaultPermissions();
+            }
+        }
+
+        public void SavePermissions(List<string> permissions)
+        {
+            try
+            {
+                string json = JsonConvert.SerializeObject(permissions, Formatting.Indented);
+                File.WriteAllText(PermissionsFile, json);
+            }
+            catch (Exception ex)
+            {
+                Console.WriteLine("Error writing permissions JSON: " + ex.Message);
+            }
+        }
+
+        private List<User> GetDefaultUsers()
+        {
+            return new List<User>
+            {
+                new User
+                {
+                    Username = "admin",
+                    FullName = "System Administrator",
+                    Password = PasswordHasher.HashPassword("admin"),
+                    Permissions = GetDefaultPermissions()
+                },
+                new User
+                {
+                    Username = "user",
+                    FullName = "Standard User",
+                    Password = PasswordHasher.HashPassword("user"),
+                    Permissions = new List<string> { "View Dashboard" }
+                }
+            };
+        }
+
+        private List<string> GetDefaultPermissions()
+        {
+            return new List<string>
+            {
+                "View Dashboard",
+                "Edit Settings",
+                "Manage Users",
+                "Full Control",
+                "Delete Transactions"
+            };
+        }
+    }
+}