Class: ActionDispatch::Routing::Redirect

Inherits:
Endpoint show all
Defined in:
actionpack/lib/action_dispatch/routing/redirection.rb

Overview

:nodoc:

Direct Known Subclasses

OptionRedirect, PathRedirect

Instance Attribute Summary collapse

Instance Method Summary collapse

Methods inherited from Endpoint

#app, #dispatcher?, #matches?

Constructor Details

#initialize(status, block) ⇒ Redirect

Returns a new instance of Redirect.


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# File 'actionpack/lib/action_dispatch/routing/redirection.rb', line 13

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

Instance Attribute Details

#blockObject (readonly)

Returns the value of attribute block


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# File 'actionpack/lib/action_dispatch/routing/redirection.rb', line 11

def block
  @block
end

#statusObject (readonly)

Returns the value of attribute status


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# File 'actionpack/lib/action_dispatch/routing/redirection.rb', line 11

def status
  @status
end

Instance Method Details

#call(env) ⇒ Object


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# File 'actionpack/lib/action_dispatch/routing/redirection.rb', line 20

def call(env)
  serve Request.new env
end

#inspectObject


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# File 'actionpack/lib/action_dispatch/routing/redirection.rb', line 55

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

#path(params, request) ⇒ Object


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# File 'actionpack/lib/action_dispatch/routing/redirection.rb', line 51

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

#redirect?Boolean

Returns:

  • (Boolean)

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# File 'actionpack/lib/action_dispatch/routing/redirection.rb', line 18

def redirect?; true; end

#serve(req) ⇒ Object


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# File 'actionpack/lib/action_dispatch/routing/redirection.rb', line 24

def serve(req)
  req.check_path_parameters!
  uri = URI.parse(path(req.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.unwrapped_html_escape(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