Refactor done

src/Jackett/Models/Config/ServerConfig.cs

@@ -0,0 +1,45 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Security.Cryptography;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace Jackett.Models.Config
+{
+    public class ServerConfig
+    {
+        public ServerConfig()
+        {
+            Port = 9117;
+        }
+
+        public int Port { get; set; }
+        public bool AllowExternal { get; set; }
+        public string APIKey { get; set; }
+
+        public string GetListenAddress(bool? external = null)
+        {
+
+            if (external == null)
+            {
+                external = AllowExternal;
+            }
+            return "http://" + (external.Value ? "*" : "localhost") + ":" + Port + "/";
+        }
+
+        public string GenerateApi()
+        {
+            var chars = "abcdefghijklmnopqrstuvwxyz0123456789";
+            var randBytes = new byte[32];
+            var rngCsp = new RNGCryptoServiceProvider();
+            rngCsp.GetBytes(randBytes);
+            var key = "";
+            foreach (var b in randBytes)
+            {
+                key += chars[b % chars.Length];
+            }
+            return key;
+        }
+    }
+}