bump ImageSharp version vulnerability fix

decouple Loader from Common dll
fix current user url in api

Azaion.LoaderUI/ConstantsLoader.cs

@@ -1,3 +1,8 @@
+using System.Diagnostics;
+using System.Security.Cryptography;
+using System.Text;
+using Newtonsoft.Json;
+
 namespace Azaion.LoaderUI;
 
 public static class ConstantsLoader
@@ -5,4 +10,51 @@ public static class ConstantsLoader
     public const string SUITE_FOLDER = "suite";
     public const string SUITE_STAGE_FOLDER = "suite-stage";
     public const int    EXTERNAL_LOADER_PORT = 5020;
+    public const string AZAION_SUITE_EXE = "Azaion.Suite.exe";
+    public const string LOADER_CONFIG_PATH = "loaderconfig.json";
+
+
+    public const string DEFAULT_ZMQ_LOADER_HOST = "127.0.0.1";
+    public const string DEFAULT_API_URL = "https://api.azaion.com";
+    public const string EXTERNAL_LOADER_PATH = "azaion-loader.exe";
+    public const string EXTERNAL_INFERENCE_PATH = "azaion-inference.exe";
+
+    public static Version GetLocalVersion()
+    {
+        var localFileInfo = FileVersionInfo.GetVersionInfo(AZAION_SUITE_EXE);
+        if (string.IsNullOrWhiteSpace(localFileInfo.ProductVersion))
+            throw new Exception($"Can't find {AZAION_SUITE_EXE} and its version");
+
+        return new Version(localFileInfo.FileVersion!);
+    }
+
+    private static string GenDefaultKey()
+    {
+        var date = DateTime.UtcNow;
+        return $"sAzaion_default_dfvkjhg_{date:yyyy}-{date:MM}_{date:dd}_{date:HH}_key";
+    }
+
+    public static string Encrypt<T>(T model, string? key = null) where T : class
+    {
+        var json = JsonConvert.SerializeObject(model);
+        var inputBytes = Encoding.UTF8.GetBytes(json);
+
+        var keyBytes = SHA256.HashData(Encoding.UTF8.GetBytes(key ?? GenDefaultKey()));
+        var iv = RandomNumberGenerator.GetBytes(16);
+
+        using var aes = Aes.Create();
+        aes.Key = keyBytes;
+        aes.IV = iv;
+        aes.Mode = CipherMode.CFB;
+        aes.Padding = PaddingMode.ISO10126;
+
+        using var encryptor = aes.CreateEncryptor();
+        var ciphertext = encryptor.TransformFinalBlock(inputBytes, 0, inputBytes.Length);
+
+        var result = new byte[iv.Length + ciphertext.Length];
+        iv.CopyTo(result, 0);
+        ciphertext.CopyTo(result, iv.Length);
+
+        return Convert.ToBase64String(result);
+    }
 }