APIRequest.cs

using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;

using System.Collections;
using System.Net;
using System.Text;

using WebDashboardLibrary;

namespace Web.api
{
    public class APIRequest : IHttpHandler
    {
        public void ProcessRequest(HttpContext context)
        {
            HttpRequest request = context.Request;
            HttpResponse response = context.Response;

            if (api.APIUtils.HandleCORSPreflight(request, response))
            {
                return;
            }

            if (api.APIUtils.CheckAuthentication(request, response))
            {
                Hashtable responseData = CreateResponseData(request, response);

                string jsonStr = JSON.Encode(responseData);

                string jsonpCallback = null;

                if (!string.IsNullOrEmpty(request.QueryString["jsonp"]))
                {
                    jsonpCallback = request.QueryString["jsonp"];
                }

                if (jsonpCallback != null) // JSONP response
                {
                    response.ContentType = "text/javascript";
                    string jsonPStr = jsonpCallback + "(" + jsonStr + ");";
                    response.Write(jsonPStr);
                }
                else // Normal JSON response
                {
                    response.ContentType = "application/json";
                    response.Write(jsonStr);
                }
            }
            else
            {
                response.StatusCode = (int)HttpStatusCode.Unauthorized;
            }
        }

        public virtual Hashtable CreateResponseData(HttpRequest request, HttpResponse response)
        {
            Hashtable responseData = new Hashtable();

            return responseData;
        }

        public bool IsReusable
        {
            get
            {
                return false;
            }
        }
    }
}