asp.net核心-如何提供无扩展名的静态文件 [英] asp.net core - How to serve static file with no extension

问题描述

ASP.NET Core根据文件的mime类型轻松地提供wwwroot文件夹中的文件.但是如何获取没有扩展名的文件呢?

ASP.NET Core hapily serves up files from the wwwroot folder based on the mime type of the file. But how do I get it serve up a file with no extension?

例如，Apple要求您在应用程序/apple-app-site-association中具有终结点才能进行某些应用程序集成.如果您在wwwroot中添加一个名为apple-app-site-association的文本文件，将无法使用.

As an example, Apple require that you have an endpoint in your app /apple-app-site-association for some app-intergration. If you add a text file called apple-app-site-association into your wwwroot it won't work.

我尝试过的一些事情:

1)提供没有扩展名的映射:

1) Provide a mapping for when there's no extension:

var provider = new FileExtensionContentTypeProvider();
provider.Mappings[""] = "text/plain";
app.UseStaticFiles(new StaticFileOptions
            {
                ContentTypeProvider = provider
            });

2)添加应用程序重写:

2) Adding an app rewrite:

var options = new RewriteOptions()
.AddRewrite("^apple-app-site-association","/apple-app-site-association.txt", false)

两者都不起作用，唯一起作用的是.AddRedirect，如果可能的话，我宁愿不使用它.

Neither work, the only thing that does work is a .AddRedirect which I'd rather not use if possible.

推荐答案

与其与静态文件进行战斗，不如为它创建一个控制器会更好:

Rather than fighting with static files, I think you'd be better off just creating a controller for it:

using Microsoft.AspNetCore.Hosting;
using Microsoft.AspNetCore.Mvc;
using System.IO;

namespace MyApp.Controllers {
    [Route("apple-app-site-association")]
    public class AppleController : Controller {
        private IHostingEnvironment _hostingEnvironment;

        public AppleController(IHostingEnvironment environment) {
            _hostingEnvironment = environment;
        }

        [HttpGet]
        public async Task<IActionResult> Index() {
            return Content(
                await File.ReadAllTextAsync(Path.Combine(_hostingEnvironment.WebRootPath, "apple-app-site-association")),
                "text/plain"
            );
        }
    }
}

这假定您的apple-app-site-association文件位于wwwroot文件夹中.

This assumes your apple-app-site-association file is in your wwwroot folder.

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