Organizational improvements and build warnings fixed

src/Jackett/Http/CookieContainerExtensions.cs

@@ -0,0 +1,57 @@
+using Newtonsoft.Json.Linq;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Net;
+using System.Text;
+using System.Threading.Tasks;
+using System.Web;
+
+namespace Jackett
+{
+    public static class CookieContainerExtensions
+    {
+
+        public static void FillFromJson(this CookieContainer cookies, Uri uri, JToken json)
+        {
+            if (json["cookies"] != null)
+            {
+                var cookieArray = (JArray)json["cookies"];
+                foreach (string cookie in cookieArray)
+                {
+                    var w = cookie.Split('=');
+                    if (w.Length == 1)
+                    {
+                        cookies.Add(uri, new Cookie { Name = cookie.Trim() });
+                    }
+                    else
+                    {
+                        cookies.Add(uri, new Cookie(w[0].Trim(), w[1].Trim()));
+                    }
+                }
+            }
+
+            if (json["cookie_header"] != null)
+            {
+                var cfh = (string)json["cookie_header"];
+                var cookieHeaders = ((string)json["cookie_header"]).Split(';');
+                foreach (var c in cookieHeaders)
+                {
+                    try
+                    {
+                        cookies.SetCookies(uri, c);
+                    }
+                    catch (CookieException ex)
+                    {
+                        Program.LoggerInstance.Info("(Non-critical) Problem loading cookie {0}, {1}, {2}", uri, c, ex.Message);
+                    }
+                }
+            }
+        }
+
+        public static void DumpToJson(this CookieContainer cookies, Uri uri, JToken json)
+        {
+            json["cookie_header"] = cookies.GetCookieHeader(uri);
+        }
+    }
+}