如何禁用特定 ASP.NET Core 5.0 Web API 操作的自动模型绑定？

如何解决如何禁用特定 ASP.NET Core 5.0 Web API 操作的自动模型绑定？

我有一个第三方专有应用程序，我需要在我的 ASP.NET Core 5.0 Web API 应用程序中编写一个 API 端点。

第三方应用程序发出一个 HTTP post 请求，请求正文中只有二进制数据，内容类型为 application/x-www-form-urlencoded 或有时为 application/octet-stream（有点随机，但数据是一样）。

我的动作处理程序如下所示：

[Route("~/Validation")]
[ApiController]
public class ValidationController : ControllerBase
{
    [HttpPost("{requestId}")]
    [Consumes(@"application/octet-stream",@"application/x-www-form-urlencoded")]
    [Produces(@"application/octet-stream")]
    public async Task<IActionResult> Validation_Post([FromRoute] string requestId)
    {
        byte[] rawRequestBody = Array.Empty<byte>();
        {
            long streamInitialPos = 0;
            if (Request.Body.CanSeek) // rewind for this read.
            {
                streamInitialPos = Request.Body.Position;
                Request.Body.Seek(0,SeekOrigin.Begin);
            }
            using (var ms = new MemoryStream())
            {
                await Request.Body.CopyToAsync(ms);
                rawRequestBody = ms.ToArray() ?? throw new NullReferenceException();
            }
            if (Request.Body.CanSeek) // rewind to initial position.
                Request.Body.Seek(streamInitialPos,SeekOrigin.Begin);
        }

        // TODO: Handle rawRequestBody data.

        return new FileContentResult(new byte[] { 1 },@"application/octet-stream")
        {
            EnableRangeProcessing = true,LastModified = DateTime.UtcNow
        };
    }

当第三方应用程序向我的 API 端点发送其 HTTP 发布请求时，我的 API 应用程序崩溃并显示 System.ArgumentException：

Microsoft.AspNetCore.Server.IIS.Core.IISHttpServer: Error: Connection ID "18374686481282236432",Request ID "80000011-0000-ff00-b63f-84710c7967bb": An unhandled exception was thrown by the application.

System.ArgumentException: The key '[omitted binary data]' is invalid JQuery syntax because it is missing a closing bracket. (Parameter 'key')
   at Microsoft.AspNetCore.Mvc.ModelBinding.JQueryKeyValuePairNormalizer.NormalizeJQueryToMvc(StringBuilder builder,String key)
   at Microsoft.AspNetCore.Mvc.ModelBinding.JQueryKeyValuePairNormalizer.GetValues(IEnumerable`1 originalValues,Int32 valueCount)
   at Microsoft.AspNetCore.Mvc.ModelBinding.JQueryFormValueProviderFactory.AddValueProviderAsync(ValueProviderFactoryContext context)
   at Microsoft.AspNetCore.Mvc.ModelBinding.CompositeValueProvider.CreateAsync(ActionContext actionContext,IList`1 factories)
   at Microsoft.AspNetCore.Mvc.ModelBinding.CompositeValueProvider.TryCreateAsync(ActionContext actionContext,IList`1 factories)
   at Microsoft.AspNetCore.Mvc.Controllers.ControllerBinderDelegateProvider.<>c__DisplayClass0_0.<<CreateBinderDelegate>g__Bind|0>d.MoveNext()
--- End of stack trace from previous location ---
   at Microsoft.AspNetCore.Mvc.Infrastructure.ControllerActionInvoker.<InvokeInnerFilterAsync>g__Awaited|13_0(ControllerActionInvoker invoker,Task lastTask,State next,Scope scope,Object state,Boolean isCompleted)
   at Microsoft.AspNetCore.Mvc.Infrastructure.ResourceInvoker.<InvokeNextResourceFilter>g__Awaited|24_0(ResourceInvoker invoker,Boolean isCompleted)
   at Microsoft.AspNetCore.Mvc.Infrastructure.ResourceInvoker.Rethrow(ResourceExecutedContextSealed context)
   at Microsoft.AspNetCore.Mvc.Infrastructure.ResourceInvoker.Next(State& next,Scope& scope,Object& state,Boolean& isCompleted)
   at Microsoft.AspNetCore.Mvc.Infrastructure.ResourceInvoker.InvokeFilterPipelineAsync()
--- End of stack trace from previous location ---
   at Microsoft.AspNetCore.Mvc.Infrastructure.ResourceInvoker.<InvokeAsync>g__Logged|17_1(ResourceInvoker invoker)
   at Microsoft.AspNetCore.Routing.EndpointMiddleware.<Invoke>g__AwaitRequestTask|6_0(Endpoint endpoint,Task requestTask,ILogger logger)
   at Microsoft.AspNetCore.Server.IIS.Core.IISHttpContextOfT`1.ProcessRequestAsync()

Microsoft.AspNetCore.Hosting.Diagnostics: Information: Request finished HTTP/1.1 POST http://localhost:10891/validation/dummy application/x-www-form-urlencoded 11072 - 500 - - 164.0024ms

日志显示正在使用正确的路由操作。

如何仅针对此特定操作处理程序禁用自动模型绑定？

提醒：我无法对第三方应用程序进行任何更改。我必须处理我收到的东西。我知道请求内容类型错误。请不要在这方面做任何笔记。

---

编辑：我已经找到了这个错误的表面原因。当我从函数签名中删除 [FromRoute] string requestId 时，不会发生错误。当我重新引入它时，错误再次出现。

不起作用（导致 ASP.NET Core 内部异常）：

public async Task<IActionResult> Validation_Post([FromRoute] string requestId)

有效：

public async Task<IActionResult> Validation_Post()

但是，我需要通过 Request.RouteValues["requestId"] 访问路由变量。

无论如何，问题仍然存在： 如何仅针对此特定操作处理程序禁用自动模型绑定？