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2024-07-15 6f059a7f1def48d7dbc805bc43f17c84c9b5bfec

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using Microsoft.AspNetCore.Cors.Infrastructure;
using Microsoft.AspNetCore.Http;
using System;
using System.Collections.Generic;
using System.Text;
using System.Threading.Tasks;
 
namespace CommonToolsCore
{
    public class CorsMiddleware
    {
        private readonly RequestDelegate next;
 
        public CorsMiddleware(RequestDelegate next)
        {
            this.next = next;
        }
        public async Task Invoke(HttpContext context)
        {
            if (context.Request.Headers.ContainsKey(CorsConstants.Origin))
            {
                context.Response.Headers.Add("Access-Control-Allow-Origin", context.Request.Headers["Origin"]);
                context.Response.Headers.Add("Access-Control-Allow-Methods", "PUT,POST,GET,DELETE,OPTIONS,HEAD,PATCH");
                context.Response.Headers.Add("Access-Control-Allow-Headers", context.Request.Headers["Access-Control-Request-Headers"]);
                context.Response.Headers.Add("Access-Control-Allow-Credentials", "true");
 
                if (context.Request.Method.Equals("OPTIONS"))
                {
                    context.Response.StatusCode = StatusCodes.Status200OK;
                    return;
                }
            }
 
            await next(context);
        }
    }
 
}