christhekeele/redirects-honor-content-type.rb

## redirects-honor-content-type.rb
# FORCE RAILS REDIRECTS TO HONOR CONTENT-TYPE HEADERS
# https://github.com/rails/rails/issues/17194

require 'action_controller/metal/redirecting'

module ActionController
  module Redirecting

    def redirect_to(options = {}, response_status = {}) #:doc:
      raise ActionControllerError.new("Cannot redirect to nil!") unless options
      raise ActionControllerError.new("Cannot redirect to a parameter hash!") if options.is_a?(ActionController::Parameters)
      raise AbstractController::DoubleRenderError if response_body

      self.status        = _extract_redirect_to_status(options, response_status)
      self.location      = _compute_redirect_to_location(request, options)
      self.response_body = _compute_response_body_from_content_type(request, location)
    end

    def _compute_response_body_from_content_type(request, location)
      location = ERB::Util.unwrapped_html_escape(location)
      case request.content_type
      when /html$/
        %(<html><body>You are being <a href="#{location}">redirected</a>.</body></html>)
      when /^json/
        JSON.dump({message: "You are being redirected to #{location}."})
      when /^text/
        %(You are being redirected to #{location}.)
      else; ''; end
    end
    module_function :_compute_response_body_from_content_type
    public :_compute_response_body_from_content_type

  end
end

require 'action_dispatch/routing/redirection'

module ActionDispatch
  module Routing
    class Redirect < Endpoint

      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 = ActionController::Redirecting._compute_response_body_from_content_type(req, uri.to_s)

        headers = {
          'Location' => uri.to_s,
          'Content-Type' => req.content_type,
          'Content-Length' => body.length.to_s
        }

        [ status, headers, [body] ]
      end

    end
  end
end
	# FORCE RAILS REDIRECTS TO HONOR CONTENT-TYPE HEADERS
	# https://github.com/rails/rails/issues/17194

	require 'action_controller/metal/redirecting'

	module ActionController
	module Redirecting

	def redirect_to(options = {}, response_status = {}) #:doc:
	raise ActionControllerError.new("Cannot redirect to nil!") unless options
	raise ActionControllerError.new("Cannot redirect to a parameter hash!") if options.is_a?(ActionController::Parameters)
	raise AbstractController::DoubleRenderError if response_body

	self.status = _extract_redirect_to_status(options, response_status)
	self.location = _compute_redirect_to_location(request, options)
	self.response_body = _compute_response_body_from_content_type(request, location)
	end

	def _compute_response_body_from_content_type(request, location)
	location = ERB::Util.unwrapped_html_escape(location)
	case request.content_type
	when /html$/
	%(<html><body>You are being <a href="#{location}">redirected</a>.</body></html>)
	when /^json/
	JSON.dump({message: "You are being redirected to #{location}."})
	when /^text/
	%(You are being redirected to #{location}.)
	else; ''; end
	end
	module_function :_compute_response_body_from_content_type
	public :_compute_response_body_from_content_type

	end
	end

	require 'action_dispatch/routing/redirection'

	module ActionDispatch
	module Routing
	class Redirect < Endpoint

	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 = ActionController::Redirecting._compute_response_body_from_content_type(req, uri.to_s)

	headers = {
	'Location' => uri.to_s,
	'Content-Type' => req.content_type,
	'Content-Length' => body.length.to_s
	}

	[ status, headers, [body] ]
	end

	end
	end
	end