4

我正在编写一个简单的 Sinatra 应用程序,并且给定用户发布带有特定数据的请求,我想返回带有消息 CLIENT_ERROR 或类似内容的错误“453”(自定义错误代码)。

问题是:查看 Sinatra 文档并进行一些测试,我找不到设置响应错误消息的方法,只有响应状态。

所以,如果设置 Sinatra 响应

get '/' do
   response.status = 453
end

我得到正确的错误代码:

curl -v localhost:4567

* About to connect() to localhost port 4567 (#0)
*   Trying 127.0.0.1... connected
> GET / HTTP/1.1
> User-Agent: curl/7.22.0 (x86_64-pc-linux-gnu) libcurl/7.22.0 OpenSSL/1.0.1 zlib/1.2.3.4     libidn/1.23 librtmp/2.3
> Host: localhost:4567
> Accept: */*
> 
< HTTP/1.1 453 
< X-Frame-Options: sameorigin
< X-XSS-Protection: 1; mode=block
< Content-Type: text/html;charset=utf-8
< Content-Length: 0
< Connection: keep-alive
< Server: thin 1.3.1 codename Triple Espresso
< 
* Connection #0 to host localhost left intact
* Closing connection #0

但我想要的是:

< HTTP/1.1 453 CLIENT_ERROR

和我一样

< HTTP/1.1 200 OK

当一切按计划进行时。

无论如何使用 Sinatra/Rack 可以做到这一点吗?

4

2 回答 2

4

状态消息由您正在使用的服务器生成,例如在 Thin 中,消息在Thin::HTTP_STATUS_CODES其中,响应行在 中生成Thin::Response,而在 WEBrick 中,它们在中WEBrick::HHTPStatus::StatusMessage,响应在 中生成WEBrick::HTTPResponse

如果您知道您使用的是什么服务器,您可以将您的错误添加到适当的哈希中。

薄:

require 'thin'
Thin::HTTP_STATUS_CODES[453] = "Client Error"

和输出:

$ curl -v localhost:4567
* About to connect() to localhost port 4567 (#0)
*   Trying 127.0.0.1... connected
* Connected to localhost (127.0.0.1) port 4567 (#0)
> GET / HTTP/1.1
> User-Agent: curl/7.19.7 (universal-apple-darwin10.0) libcurl/7.19.7 OpenSSL/0.9.8r zlib/1.2.3
> Host: localhost:4567
> Accept: */*
> 
< HTTP/1.1 453 Client Error
< X-Frame-Options: sameorigin
< X-XSS-Protection: 1; mode=block
< Content-Type: text/html;charset=utf-8
< Content-Length: 0
< Connection: keep-alive
< Server: thin 1.4.1 codename Chromeo
< 
* Connection #0 to host localhost left intact
* Closing connection #0

并使用 WEBrick:

require 'webrick'
WEBrick::HTTPStatus::StatusMessage[453] = "Client Error"

这给出了输出:

$ curl -v localhost:4567
* About to connect() to localhost port 4567 (#0)
*   Trying 127.0.0.1... connected
* Connected to localhost (127.0.0.1) port 4567 (#0)
> GET / HTTP/1.1
> User-Agent: curl/7.19.7 (universal-apple-darwin10.0) libcurl/7.19.7 OpenSSL/0.9.8r zlib/1.2.3
> Host: localhost:4567
> Accept: */*
> 
localhost - - [13/Aug/2012:01:41:48 BST] "GET / HTTP/1.1" 453 0
- -> /
< HTTP/1.1 453 Client Error 
< X-Frame-Options: sameorigin
< X-Xss-Protection: 1; mode=block
< Content-Type: text/html;charset=utf-8
< Content-Length: 0
< Server: WEBrick/1.3.1 (Ruby/1.9.3/2012-04-20)
< Date: Mon, 13 Aug 2012 00:41:48 GMT
< Connection: Keep-Alive
< 
* Connection #0 to host localhost left intact
* Closing connection #0
于 2012-08-13T00:56:33.317 回答
4

我建议不要使用自定义 HTTP 状态代码。如果您认为您有一些通用的东西,请考虑编写 Internet 草案并通过 IETF 规范流程。

于 2012-08-13T08:03:09.577 回答