Class: ActionDispatch::Routing::Redirect

Inherits:
Object
  • Object
show all
Defined in:
lib/action_dispatch/routing/redirection.rb

Overview

:nodoc:

Direct Known Subclasses

OptionRedirect, PathRedirect

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(status, block) ⇒ Redirect

Returns a new instance of Redirect.



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# File 'lib/action_dispatch/routing/redirection.rb', line 12

def initialize(status, block)
  @status = status
  @block  = block
end

Instance Attribute Details

#block ⇒ Object (readonly)

Returns the value of attribute block.



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# File 'lib/action_dispatch/routing/redirection.rb', line 10

def block
  @block
end

#status ⇒ Object (readonly)

Returns the value of attribute status.



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# File 'lib/action_dispatch/routing/redirection.rb', line 10

def status
  @status
end

Instance Method Details

#call(env) ⇒ Object 



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# File 'lib/action_dispatch/routing/redirection.rb', line 17

def call(env)
  req = Request.new(env)

  # If any of the path parameters has a invalid encoding then
  # raise since it's likely to trigger errors further on.
  req.symbolized_path_parameters.each do |key, value|
    unless value.valid_encoding?
      raise ActionController::BadRequest, "Invalid parameter: #{key} => #{value}"
    end
  end

  uri = URI.parse(path(req.symbolized_path_parameters, req))
  
  unless uri.host
    if relative_path?(uri.path)
      uri.path = "#{req.script_name}/#{uri.path}"
    elsif uri.path.empty?
      uri.path = req.script_name.empty? ? "/" : req.script_name
    end
  end
    
  uri.scheme ||= req.scheme
  uri.host   ||= req.host
  uri.port   ||= req.port unless req.standard_port?

  body = %(<html><body>You are being <a href="#{ERB::Util.h(uri.to_s)}">redirected</a>.</body></html>)

  headers = {
    'Location' => uri.to_s,
    'Content-Type' => 'text/html',
    'Content-Length' => body.length.to_s
  }

  [ status, headers, [body] ]
end

#inspect ⇒ Object 



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# File 'lib/action_dispatch/routing/redirection.rb', line 57

def inspect
  "redirect(#{status})"
end

#path(params, request) ⇒ Object 



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# File 'lib/action_dispatch/routing/redirection.rb', line 53

def path(params, request)
  block.call params, request
end