Asp.net Core RequestSizeLimit仍执行操作 [英] Asp.net Core RequestSizeLimit still executes action

问题描述

我正在将ASP.net Core 2.0与MVC一起使用.我有一个控制器动作，我想将请求大小限制为1MB.我像这样添加了 RequestSizeLimit 属性:

I am using ASP.net Core 2.0 with MVC. I have a controller action that I want to limit the request size to 1MB. I added the RequestSizeLimit attribute like so:

[HttpPost]
[Authorize]
[RequestSizeLimit(1_000_000)]
public async Task<List<ResourceUploadResult>> Upload([FromBody]List<Resource> updatedList){
    //....
}

当上传为<1MB，它可以正常工作.当它大于1MB时，我希望服务器返回状态413，但是 updatedList 参数为null，该操作正常执行，并在运行时运行到 NullReferenceException 尝试对列表进行迭代.

When the upload is < 1MB, it works as expected. When it is > 1MB I expected the server to return a status of 413, but instead, the updatedList parameter is null and the action executes normally, running into a NullReferenceException when it tries to iterate the list.

是否有一种方法可以告诉Kestrel在达到大小限制时返回413?

Is there a way to tell Kestrel to return 413 when the size limit is reached?

推荐答案

您可以通过以下方式全局限制大小:

you can limit the size globally by

.UseKestrel(kestrolOptions =>
{
    kestrolOptions.Limits.MaxRequestBodySize = 1_000_000;
..

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