Module: Facepalm::Rails::Controller::Redirects

Defined in:
lib/facepalm/rails/controller/redirects.rb

Instance Method Summary collapse

Instance Method Details

#iframe_redirect_code(target_url, custom_code = nil) ⇒ Object

Generates HTML and JavaScript code to redirect user with top frame location overwrite

Parameters:

  • target_url —

    An URL to redirect the user to

  • custom_code (defaults to: nil) —

    A custom HTML code to insert into the result document. Can be used to add OpenGraph tags to redirect page code.



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# File 'lib/facepalm/rails/controller/redirects.rb', line 31

def iframe_redirect_code(target_url, custom_code = nil)
  %{
    <html><head>
      <script type="text/javascript">
        window.top.location.href = #{ target_url.to_json };
      </script>
      <noscript>
        <meta http-equiv="refresh" content="0;url=#{ target_url }" />
        <meta http-equiv="window-target" content="_top" />
      </noscript>
      #{ custom_code }
    </head></html>
  }
end

#redirect_from_iframe(url_options) ⇒ Object

Redirects user to a definite URL with JavaScript code that overwrites top frame location. Use it to redirect user from within an iframe.



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# File 'lib/facepalm/rails/controller/redirects.rb', line 14

def redirect_from_iframe(url_options)
  redirect_url = url_options.is_a?(String) ? url_options : url_for(url_options)

  logger.info "Redirecting from IFRAME to #{ redirect_url }"

  render(
    :text   => iframe_redirect_code(redirect_url),
    :layout => false
  )
end

#redirect_to(*args) ⇒ Object

Overrides ActionController::Base#redirect_to to pass signed_request in flash[]



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# File 'lib/facepalm/rails/controller/redirects.rb', line 6

def redirect_to(*args)
  flash[:signed_request] = fb_signed_request

  super(*args)
end