405在WebAPI2上不允许方法（OWIN） [英] 405 Method Not Allowed on WebAPI2 (OWIN)

问题描述

我为我的API设置了一个WebAPI端点，但无法获取我的AngularJS调用我的PostRegister方法。

I am setting up a WebAPI endpoint for my API, but am having trouble getting my AngularJS calls to my PostRegister method to work.

WebAPI和Angular已打开单独的网站。

The webAPI and Angular are on separate sites.

在Startup.cs我有：

On the Startup.cs I have:

    public void Configuration(IAppBuilder app)
    {
        ConfigureOAuth(app);

        var config = new HttpConfiguration();

        WebApiConfig.Register(config);
        app.UseCors(Microsoft.Owin.Cors.CorsOptions.AllowAll);
        app.UseWebApi(config);

    }

    private void ConfigureOAuth(IAppBuilder app)
    {
        var oAuthServerOptions = new OAuthAuthorizationServerOptions
        {
            AllowInsecureHttp = true,
            TokenEndpointPath = new PathString(Paths.TokenPath),
            AccessTokenExpireTimeSpan = TimeSpan.FromMinutes(30),
            Provider = Kernel.Get<IOAuthAuthorizationServerProvider>()
        };
        app.UseOAuthAuthorizationServer(oAuthServerOptions); 

        OAuthBearerOptions = new OAuthBearerAuthenticationOptions();
        app.UseOAuthBearerAuthentication(OAuthBearerOptions);
    }

然后在控制器上，我的方法设置为允许匿名：

Then on the controller, I have my method that is set to allow anonymous:

    [AllowAnonymous]
    public bool PostRegister(UserSignupForm form)
    {
        ...
    }

我也更新了web.config：

I've also updated the web.config:

 <system.webServer>
    <handlers>
      <remove name="ExtensionlessUrlHandler-Integrated-4.0" />
      <remove name="OPTIONSVerbHandler" />
      <remove name="TRACEVerbHandler" />
      <add name="ExtensionlessUrlHandler-Integrated-4.0" path="*." verb="*" type="System.Web.Handlers.TransferRequestHandler" preCondition="integratedMode,runtimeVersionv4.0" />
    </handlers>
  </system.webServer>

在Angular侧，我做一个简单的$ http.post调用：

On the Angular side, I make a simple $http.post call:

    saveRegistration: function (registration) {
        return $http.post(baseUrl + '/api/signup/register', registration).then(function (response) {
            return response;
        });
    }

使用Postman进行调用时，我获得了成功的响应，同样的调用从Angular，我得到405错误。

When making the call using Postman, I get a successful response, but when doing the same call from Angular, I get the 405 error.

BitOfTech示例网站发送相同的请求标头，但能够获取Access-Control-Allow-XXX标头

BitOfTech sample site, is sending the same request headers, but is able to get the Access-Control-Allow-XXX headers

>

我已更新我的代码以遵循基于令牌的身份验证使用ASP.NET Web API 2，Owin和身份

I've updated my code to follow Token Based Authentication using ASP.NET Web API 2, Owin, and Identity

推荐答案

我最近有类似的问题。我为飞行前的 OPTIONS 请求添加了控制器处理程序，它解决了这个问题。

I had similar issue recently. I added controller handler for the pre-flight OPTIONS request and it solved the problem.

[AllowAnonymous]
[Route("Register")]
[AcceptVerbs("OPTIONS")]
public async Task<IHttpActionResult> Register()
{
    return Ok();
}

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