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// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.
using System.Text;
namespace CorsMiddlewareWebSite;
public class EchoMiddleware
{
/// <summary>
/// Instantiates a new <see cref="EchoMiddleware"/>.
/// </summary>
/// <param name="next">The next middleware in the pipeline.</param>
public EchoMiddleware(RequestDelegate next)
{
}
/// <summary>
/// Echo the request's path in the response. Does not invoke later middleware in the pipeline.
/// </summary>
/// <param name="context">The <see cref="HttpContext"/> of the current request.</param>
/// <returns>A <see cref="Task"/> that completes when writing to the response is done.</returns>
public Task Invoke(HttpContext context)
{
ArgumentNullException.ThrowIfNull(context);
context.Response.ContentType = "text/plain; charset=utf-8";
var path = context.Request.PathBase + context.Request.Path + context.Request.QueryString;
return context.Response.WriteAsync(path, Encoding.UTF8);
}
}
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