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							- using System;
 
- using System.Collections.Generic;
 
- using System.Linq;
 
- using System.Web;
 
- namespace iBemsDataService
 
- {
 
-     // NOTE
 
-     // The following change to web.config is required
 
-     // <system.serviceModel>
 
-     //    <serviceHostingEnvironment aspNetCompatibilityEnabled="true" /> 
 
-     static class CorsSupport
 
-     {
 
-         public static void HandlePreflightRequest( HttpContext context )
 
-         {
 
-             var req = context.Request;
 
-             var res = context.Response;
 
-             var origin = req.Headers["Origin"];
 
-             if( !String.IsNullOrEmpty( origin ) )
 
-             {
 
-                 res.AddHeader( "Access-Control-Allow-Origin" , origin );
 
-                 res.AddHeader( "Access-Control-Allow-Credentials" , "true" );
 
-                 var methods = req.Headers["Access-Control-Request-Method"];
 
-                 var headers = req.Headers["Access-Control-Request-Headers"];
 
-                 if( !String.IsNullOrEmpty( methods ) )
 
-                     res.AddHeader( "Access-Control-Allow-Methods" , methods );
 
-                 if( !String.IsNullOrEmpty( headers ) )
 
-                     res.AddHeader( "Access-Control-Allow-Headers" , headers );
 
-                 if( req.HttpMethod == "OPTIONS" )
 
-                 {
 
-                     res.StatusCode = 204;
 
-                     res.End();
 
-                 }
 
-             }
 
-         }
 
-     }
 
- }
 
 
  |