call(env) public

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# File actionpack/lib/action_dispatch/routing/redirection.rb, line 17
      def call(env)
        req = Request.new(env)

        # If any of the path parameters has an 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
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