如何在 Rails 应用程序中手动设置 cookie？答案

【问题标题】：How do I manually set cookie in rails app?如何在 Rails 应用程序中手动设置 cookie？
【发布时间】：2022-01-15 19:42:14
【问题描述】：

我有一种情况需要在自定义标头中发送会话 ID，因为 safari 不允许从 iframe 发送 cookie。

但是现在，我无法从机架中间件设置 cookie。

status, headers, body = @app.call(env)
session_id = headers['X-SESSION-ID'] || headers['HTTP_X_SESSION_ID'] || headers['x-session-id'] || ''

if !headers['Cookie'].present? && session_id.present?
  headers['Cookie'] = {
    '_session_id': {
      value: session_id,
      path: '/',
      httpOnly: true
    }
  }
end

或者有没有办法手动设置会话 id 而不必从 cookie 中获取它？

更新 1：

修改机架请求文件确实有效。但是，我不知道如何继续这个。如果没有任何效果，我可能会在所有服务器中手动更新此文件。

def cookies
  hash   = @env["rack.request.cookie_hash"] ||= {}
  string = @env["HTTP_COOKIE"] || "_session_id=#{@env["HTTP_X_SESSION_ID"]}"

  return hash if string == @env["rack.request.cookie_string"]
  hash.clear

  # According to RFC 2109:
  #   If multiple cookies satisfy the criteria above, they are ordered in
  #   the Cookie header such that those with more specific Path attributes
  #   precede those with less specific.  Ordering with respect to other
  #   attributes (e.g., Domain) is unspecified.
  cookies = Utils.parse_query(string, ';,') { |s| Rack::Utils.unescape(s) rescue s }
  cookies.each { |k,v| hash[k] = Array === v ? v.first : v }
  @env["rack.request.cookie_string"] = string
  hash
end

看起来像上面修改cookie方法不起作用。

【问题讨论】：

标签： ruby-on-rails ruby-on-rails-4 session-cookies

【解决方案1】：

最后我设法解决了。所以，我在initializers 中添加了rack_request.rb。这是它的代码：

require 'rack'
require 'rack/request'
require 'rack/utils'

Rack::Request.class_eval do
 def cookies
    hash = @env["rack.request.cookie_hash"] ||= {}
    string = @env["HTTP_COOKIE"] || "_session_id=#{@env['HTTP_X_SESSION_ID']}"

unless string =~ /\s*_session_id=/i
  if  @env['HTTP_X_SESSION_ID'].present?
    string << "; _session_id=#{@env['HTTP_X_SESSION_ID']}"
  end
end

# require 'colorize'
#
# Rails.logger.info 'from cookies'.green
# Rails.logger.info (string.blue)

return hash if string == @env["rack.request.cookie_string"]
hash.clear


# According to RFC 2109:
#   If multiple cookies satisfy the criteria above, they are ordered in
#   the Cookie header such that those with more specific Path attributes
#   precede those with less specific.  Ordering with respect to other
#   attributes (e.g., Domain) is unspecified.
cookies = Rack::Utils.parse_query(string, ';,') { |s| Rack::Utils.unescape(s) rescue s }
cookies.each { |k, v| hash[k] = Array === v ? v.first : v }
@env["rack.request.cookie_string"] = string
hash


 end
end

我在我的 ajaxHeaders 中发送 'X-SESSION-ID' 以获取会话 ID。

【讨论】：