feat: 初始功能

Services/DpapiSecretProtector.cs

@@ -0,0 +1,34 @@
+using System.Security.Cryptography;
+using System.Text;
+using CloudPrint.Client.Services.Abstractions;
+
+namespace CloudPrint.Client.Services;
+
+public sealed class DpapiSecretProtector : ISecretProtector
+{
+    private static readonly byte[] Entropy = Encoding.UTF8.GetBytes("CloudPrint.Client.Settings.v1");
+
+    public string Protect(string plainText)
+    {
+        if (string.IsNullOrEmpty(plainText))
+        {
+            return string.Empty;
+        }
+
+        var bytes = Encoding.UTF8.GetBytes(plainText);
+        var protectedBytes = ProtectedData.Protect(bytes, Entropy, DataProtectionScope.CurrentUser);
+        return Convert.ToBase64String(protectedBytes);
+    }
+
+    public string Unprotect(string protectedText)
+    {
+        if (string.IsNullOrEmpty(protectedText))
+        {
+            return string.Empty;
+        }
+
+        var protectedBytes = Convert.FromBase64String(protectedText);
+        var bytes = ProtectedData.Unprotect(protectedBytes, Entropy, DataProtectionScope.CurrentUser);
+        return Encoding.UTF8.GetString(bytes);
+    }
+}