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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 Microsoft.AspNetCore.Builder;
using Microsoft.AspNetCore.Diagnostics.RazorViews;
using Microsoft.AspNetCore.Http;
using Microsoft.Extensions.Options;
namespace Microsoft.AspNetCore.Diagnostics;
/// <summary>
/// This middleware provides a default web page for new applications.
/// </summary>
public class WelcomePageMiddleware
{
private readonly RequestDelegate _next;
private readonly WelcomePageOptions _options;
/// <summary>
/// Creates a default web page for new applications.
/// </summary>
/// <param name="next"></param>
/// <param name="options"></param>
public WelcomePageMiddleware(RequestDelegate next, IOptions<WelcomePageOptions> options)
{
ArgumentNullException.ThrowIfNull(next);
ArgumentNullException.ThrowIfNull(options);
_next = next;
_options = options.Value;
}
/// <summary>
/// Process an individual request.
/// </summary>
/// <param name="context">The <see cref="HttpContext"/>.</param>
/// <returns></returns>
public Task Invoke(HttpContext context)
{
HttpRequest request = context.Request;
if (!_options.Path.HasValue || _options.Path == request.Path)
{
// Dynamically generated for LOC.
var welcomePage = new WelcomePage();
return welcomePage.ExecuteAsync(context);
}
return _next(context);
}
}
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