1 files changed, 19 insertions, 0 deletions
diff --git a/actionpack/lib/action_controller/base/redirector.rb b/actionpack/lib/action_controller/base/redirector.rb
new file mode 100644
index 0000000000..20060b001f
--- /dev/null
+++ b/actionpack/lib/action_controller/base/redirector.rb
@@ -0,0 +1,19 @@
+module ActionController
+  class RedirectBackError < AbstractController::Error #:nodoc:
+    DEFAULT_MESSAGE = 'No HTTP_REFERER was set in the request to this action, so redirect_to :back could not be called successfully. If this is a test, make sure to specify request.env["HTTP_REFERER"].'
+
+    def initialize(message = nil)
+      super(message || DEFAULT_MESSAGE)
+    end
+  end
+
+  module Redirector
+    def redirect_to(url, status) #:doc:
+      raise AbstractController::DoubleRenderError if response_body
+      logger.info("Redirected to #{url}") if logger && logger.info?
+      self.status = status
+      self.location = url.gsub(/[\r\n]/, '')
+      self.response_body = "<html><body>You are being <a href=\"#{CGI.escapeHTML(url)}\">redirected</a>.</body></html>"
+    end
+  end
+end