Initial commit

2026-10-29 11:52:09 +08:00
commit 269cbf987d
248 changed files with 9099 additions and 0 deletions
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+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Security.Cryptography;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace OssTJiaUploaderService
+{
+    public static class CryptoHelper
+    {
+        private static readonly string _key = EnvReader.GetMachineVariable("ENC_AES_KEY");
+        private static readonly string _iv = EnvReader.GetMachineVariable("ENC_AES_IV");
+
+        public static string Decrypt(string input)
+        {
+            if (!input.StartsWith("ENC(") || !input.EndsWith(")"))
+                return input;
+
+            var base64 = input[4..^1];
+            using var aes = Aes.Create();
+            aes.Key = Encoding.UTF8.GetBytes(_key);
+            aes.IV = Encoding.UTF8.GetBytes(_iv);
+            var decryptor = aes.CreateDecryptor();
+
+            var buffer = Convert.FromBase64String(base64);
+            var result = decryptor.TransformFinalBlock(buffer, 0, buffer.Length);
+            return Encoding.UTF8.GetString(result);
+        }
+
+        public static string Encrypt(string plainText)
+        {
+            using var aes = Aes.Create();
+            aes.Key = Encoding.UTF8.GetBytes(_key);
+            aes.IV = Encoding.UTF8.GetBytes(_iv);
+            var encryptor = aes.CreateEncryptor();
+
+            var bytes = Encoding.UTF8.GetBytes(plainText);
+            var encrypted = encryptor.TransformFinalBlock(bytes, 0, bytes.Length);
+            return $"ENC({Convert.ToBase64String(encrypted)})";
+        }
+    }
+
+}