Рефакторинг + DI

JiraTimeBotForm/Configuration/PasswordEncryptionClass.cs

@@ -0,0 +1,42 @@
+using System;
+using System.Security.Cryptography;
+using System.Text;
+
+namespace JiraTimeBotForm.Configuration
+{
+    public class PasswordEncryptionClass
+    {
+        private byte[] GetEntropy(string EntropyString)
+        {
+
+            MD5 md5 = MD5.Create();
+            return md5.ComputeHash(Encoding.UTF8.GetBytes(EntropyString));
+        }
+
+        public string Encrypt(string username, string password, string address)
+        {
+            byte[] entropy = GetEntropy(address + username);
+            byte[] pass = Encoding.UTF8.GetBytes(password);
+            byte[] crypted = ProtectedData.Protect(pass, entropy, DataProtectionScope.LocalMachine);
+            var cryptedBase64 = Convert.ToBase64String(crypted);
+
+            return cryptedBase64;
+        }
+
+        public string Decrypt(string username, string password, string address)
+        {
+            try
+            {
+                var pass = Convert.FromBase64String(password);
+                byte[] entropy = GetEntropy(address + username);
+                pass = ProtectedData.Unprotect(pass, entropy, DataProtectionScope.LocalMachine);
+                return Encoding.UTF8.GetString(pass);
+            }
+            catch (Exception ex)
+            {
+                return "";
+            }
+        }
+
+    }
+}

JiraTimeBotForm/Configuration/Settings.cs

@@ -1,4 +1,7 @@
 using System;
+using System.IO;
+using System.Windows.Forms;
+using Newtonsoft.Json;
 
 namespace JiraTimeBotForm.Configuration
 {
@@ -14,5 +17,34 @@ namespace JiraTimeBotForm.Configuration
         public TimeSpan ActivationTime { get; set; }
         public bool DummyMode { get; set; }
         public bool AddCommentsToWorklog { get; set; }
+
+
+        public static Settings Load()
+        {
+            var settingsPath = Path.Combine(Application.UserAppDataPath, _settingsFileName);
+            if (!File.Exists(settingsPath))
+            {
+                return null;
+            }
+
+            var settingsText = File.ReadAllText(settingsPath);
+            var settings = JsonConvert.DeserializeObject<Settings>(settingsText);
+
+            var password = new PasswordEncryptionClass().Decrypt(settings.JiraUserName, settings.JiraPassword, settings.JiraUrl);
+            settings.JiraPassword = password;
+            return settings;
+        }
+
+        public void Save()
+        {
+            var password = new PasswordEncryptionClass().Encrypt(this.JiraUserName, this.JiraPassword, this.JiraUrl);
+            this.JiraPassword = password;
+
+            var settingsPath = Path.Combine(Application.UserAppDataPath, _settingsFileName);
+            var settingsString = JsonConvert.SerializeObject(this);
+            File.WriteAllText(settingsPath, settingsString);
+        }
+
+        private static string _settingsFileName = "settings.json";
     }
 }