在数据采集服务器中的用户授权失败时，是否可以更改响应代码？ [英] Is it possible to change the Response Code when user authorization fails in a datasnap server?

问题描述

当用户授权失败时，是否可以更改DataSnap（Delphi XE3）服务器中的HTTP响应代码？目前，它正在返回HTTP / 1.1 500内部服务器错误，这可能发生在许多其他情况，并不帮助描述问题。

Is it possible to change the HTTP Response Code in my DataSnap (Delphi XE3) server when user authorization fails? Currently it's returning HTTP/1.1 500 Internal Server Error, which can happen in many other scenarios, and doesn't help describe the problem.

同样的想法，是否可以更改默认响应体？目前，它正在返回 {error：USER没有权限执行请求的操作。} ，这很好，但如果可能，我想返回一个自定义的JSON对象。

Along the same idea, is it possible to change the default Response Body? Currently, it's returning {"error":"USER is not authorized to perform the requested action."}, which is fine, but I'd like to return a custom JSON object if possible.

感谢您的时间！

推荐答案

我最终执行代码在TDSAuthenticationManager.OnUserAuthorize中看起来像这样。

I ended up executing code that looked like this in TDSAuthenticationManager.OnUserAuthorize

  if valid = false then
  begin
    GetInvocationMetadata.ResponseCode := 403;
    GetInvocationMetadata.ResponseMessage := JSONResponseObject.ToString;
    GetInvocationMetadata.ResponseContent := JSONResponseOjbect.ToString;
  end

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