使用Sinatra更改HTTP状态消息
我正在编写一个简单的Sinatra应用程序，并且如果用户发布了具有特定数据的请求，我想返回错误“453”（自定义错误代码）和消息CLIENT_ERROR，或类似的东西。
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，如果设置了Sinatra的响应
get '/' do response.status = 453 end 我得到错误代码：
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
我的方式也一样
< HTTP/1.1 200 OK
当一切按照计划进行时。
无论如何使用Sinatra / Rack进行此操作？
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 ，响应行在Thin::Response生成，在WEBrick中，它们在WEBrick::HHTPStatus::StatusMessage和响应在WEBrick::HTTPResponse生成。
如果您知道正在使用的服务器，则可以将错误添加到相应的哈希中。
使用Thin：
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
和WEBrick：
require 'webrick' WEBrick::HTTPStatus::StatusMessage[453] = "Client Error"
它给出了输出：
$ 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
我建议不要使用自定义HTTP状态代码。 如果您认为自己有一些常用的东西，请考虑编写Internet草案并完成IETF规范流程。