Sviluppo TradingBot

2026-06-09 18:29:41 +02:00
parent 61f1e59964
commit e3c0bd51b2
133 changed files with 24903 additions and 1 deletions
@@ -0,0 +1,99 @@
+using System;
+using System.IO;
+using System.Security.Cryptography;
+using System.Text;
+
+namespace DesktopBot.Services
+{
+    /// <summary>
+    /// Gestisce il salvataggio e il caricamento sicuro delle credenziali Alpaca.
+    /// Cifra con AES-256 usando una chiave derivata da MachineName + UserName.
+    /// </summary>
+    public static class CredentialService
+    {
+        private static readonly string SettingsFolder =
+            Path.Combine(Environment.GetFolderPath(Environment.SpecialFolder.ApplicationData), "TradingBot");
+
+        private static readonly string CredentialsFile =
+            Path.Combine(SettingsFolder, "credentials.dat");
+
+        private static byte[] DeriveKey()
+        {
+            var seed = Environment.MachineName + Environment.UserName + "TradingBotSalt_v1";
+            using (var sha = SHA256.Create())
+                return sha.ComputeHash(Encoding.UTF8.GetBytes(seed));
+        }
+
+        public static void SaveCredentials(string apiKey, string apiSecret, bool isPaper)
+        {
+            if (!Directory.Exists(SettingsFolder))
+                Directory.CreateDirectory(SettingsFolder);
+
+            var plainText = apiKey + "|" + apiSecret + "|" + isPaper;
+            var plainBytes = Encoding.UTF8.GetBytes(plainText);
+            var key = DeriveKey();
+
+            using (var aes = Aes.Create())
+            {
+                aes.Key = key;
+                aes.GenerateIV();
+                using (var ms = new MemoryStream())
+                {
+                    ms.Write(aes.IV, 0, aes.IV.Length);
+                    using (var cs = new CryptoStream(ms, aes.CreateEncryptor(), CryptoStreamMode.Write))
+                        cs.Write(plainBytes, 0, plainBytes.Length);
+                    File.WriteAllBytes(CredentialsFile, ms.ToArray());
+                }
+            }
+        }
+
+        public static AlpacaCredentials LoadCredentials()
+        {
+            if (!File.Exists(CredentialsFile))
+                return null;
+            try
+            {
+                var data = File.ReadAllBytes(CredentialsFile);
+                var key = DeriveKey();
+                using (var aes = Aes.Create())
+                {
+                    aes.Key = key;
+                    var iv = new byte[16];
+                    Array.Copy(data, 0, iv, 0, 16);
+                    aes.IV = iv;
+                    using (var ms = new MemoryStream(data, 16, data.Length - 16))
+                    using (var cs = new CryptoStream(ms, aes.CreateDecryptor(), CryptoStreamMode.Read))
+                    using (var reader = new StreamReader(cs, Encoding.UTF8))
+                    {
+                        var plain = reader.ReadToEnd();
+                        var parts = plain.Split('|');
+                        if (parts.Length != 3) return null;
+                        return new AlpacaCredentials
+                        {
+                            ApiKey = parts[0],
+                            ApiSecret = parts[1],
+                            IsPaper = bool.Parse(parts[2])
+                        };
+                    }
+                }
+            }
+            catch { return null; }
+        }
+
+        public static bool HasCredentials() => File.Exists(CredentialsFile);
+
+        public static void DeleteCredentials()
+        {
+            if (File.Exists(CredentialsFile))
+                File.Delete(CredentialsFile);
+        }
+    }
+
+    /// <summary>Modello credenziali Alpaca</summary>
+    public class AlpacaCredentials
+    {
+        public string ApiKey { get; set; }
+        public string ApiSecret { get; set; }
+        public bool IsPaper { get; set; }
+    }
+}