Class: DevToolbar::Middleware

Inherits:
Object
  • Object
show all
Defined in:
lib/dev_toolbar/middleware.rb

Instance Method Summary collapse

Constructor Details

#initialize(app) ⇒ Middleware

Returns a new instance of Middleware.



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# File 'lib/dev_toolbar/middleware.rb', line 3

def initialize(app)
  @app = app
end

Instance Method Details

#call(env) ⇒ Object 



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# File 'lib/dev_toolbar/middleware.rb', line 7

def call(env)
  request = Rack::Request.new(env)
  @ip = request.ip
  @app.call(env)
rescue Exception => ex
  if pass_through?
    @app.call(env)
  else
    [200, {"Content-Type" => "text/html"}, [error_message]]
  end
end

#error_message ⇒ Object 



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# File 'lib/dev_toolbar/middleware.rb', line 29

def error_message
  "    <h1>Uh oh! You've got an error in your code.</h1>\n\n    <h2>To get a more helpful error page, please run this command at a terminal prompt:</h2>\n\n    <pre style=\"font-size: 4em;\"><code>bin/whitelist \#{@ip}</code></pre>\n\n    <h2>and then restart your server.</h2>\n  HTML\nend\n"

#pass_through? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/dev_toolbar/middleware.rb', line 19

def pass_through?
  path = Rails.root.join('whitelist.yml')
  if File.exist?(path)
    whitelisted_ips = YAML.load_file(path)
    whitelisted_ips.include?(@ip)
  else
    true
  end
end