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Class: ActionDispatch::HostAuthorization::Permissions

Do not use. This class is for internal use only.
Relationships & Source Files
Inherits: Object
Defined in: actionpack/lib/action_dispatch/middleware/host_authorization.rb

Class Method Summary

Instance Attribute Summary

Instance Method Summary

Constructor Details

.new(hosts) ⇒ Permissions

[ GitHub ] 

  


# File 'actionpack/lib/action_dispatch/middleware/host_authorization.rb', line 36



def initialize(hosts)
  @hosts = sanitize_hosts(hosts)
end


  







Instance Attribute Details



  

    #empty?  ⇒ Boolean  (readonly)
  

  [ GitHub ]


  

  


# File 'actionpack/lib/action_dispatch/middleware/host_authorization.rb', line 40



def empty?
  @hosts.empty?
end


  







Instance Method Details



  

    #allows?(host)  ⇒ Boolean 
  



  

    
  





  


  [ GitHub ]


  

  


# File 'actionpack/lib/action_dispatch/middleware/host_authorization.rb', line 44



def allows?(host)
  @hosts.any? do |allowed|
    if allowed.is_a?(IPAddr)
      begin
        allowed === extract_hostname(host)
      rescue
        # IPAddr#=== raises an error if you give it a hostname instead of IP. Treat
        # similar errors as blocked access.
        false
      end
    else
      allowed === host
    end
  end
end


  








  

    #extract_hostname(host)   (private)
  

  [ GitHub ]


  

  


# File 'actionpack/lib/action_dispatch/middleware/host_authorization.rb', line 83



def extract_hostname(host)
  host.slice(VALID_IP_HOSTNAME, "host") || host
end


  








  

    #sanitize_hosts(hosts)   (private)
  

  [ GitHub ]


  

  


# File 'actionpack/lib/action_dispatch/middleware/host_authorization.rb', line 61



def sanitize_hosts(hosts)
  Array(hosts).map do |host|
    case host
    when Regexp then sanitize_regexp(host)
    when String then sanitize_string(host)
    else host
    end
  end
end


  








  

    #sanitize_regexp(host)   (private)
  

  [ GitHub ]


  

  


# File 'actionpack/lib/action_dispatch/middleware/host_authorization.rb', line 71



def sanitize_regexp(host)
  /\A#{host}#{PORT_REGEX}?\z/
end


  








  

    #sanitize_string(host)   (private)
  

  [ GitHub ]


  

  


# File 'actionpack/lib/action_dispatch/middleware/host_authorization.rb', line 75



def sanitize_string(host)
  if host.start_with?(".")
    /\A#{SUBDOMAIN_REGEX}?#{Regexp.escape(host[1..-1])}#{PORT_REGEX}?\z/i
  else
    /\A#{Regexp.escape host}#{PORT_REGEX}?\z/i
  end
end