Rails 3.x TLD 长度 [英] Rails 3.x TLD length

问题描述

Rails 的配置中是否有一些地方可以让我将 TLD 长度全局设置为 2(以 co.uk 为例)，以便 request.domain 和 request.subdomain 无需传递选项即可正确解析?

Is there some where in Rails's configuration where I can globally set the TLD length to 2 (co.uk as an example) so request.domain and request.subdomain parse correctly without having to pass options?

也就是说，request.domain(2)，默认情况下，Rails 似乎默认设置为 1，能够全局更改它是有意义的，但是，在文档中找不到任何内容.

That is, request.domain(2), by default Rails seems to be set to 1 by default and it makes sense to be able to change this globally, however, haven't been able to find anything in the documentation.

是否存在这样的配置选项?

Does such a configuration option exist?

推荐答案

Rails 3.0.9 及以下，没有这样的配置，因为 domain 的来源是:

For Rails 3.0.9 and below, there's no such configuration since the source of domain is:

# File actionpack/lib/action_dispatch/http/url.rb, line 78
def domain(tld_length = 1)
  return nil unless named_host?(host)

  host.split('.').last(1 + tld_length).join('.')
end

来源:http://apidock.com/rails/v3.0.9/ActionDispatch/Http/URL/domain

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