diff options
Diffstat (limited to 'app/controllers/application_controller.rb')
| -rw-r--r-- | app/controllers/application_controller.rb | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/app/controllers/application_controller.rb b/app/controllers/application_controller.rb index e0ea88553..1559affce 100644 --- a/app/controllers/application_controller.rb +++ b/app/controllers/application_controller.rb @@ -428,9 +428,8 @@ class ApplicationController < ActionController::Base helper_method :back_url def redirect_back_or_default(default, options={}) - back_url = params[:back_url].to_s - if back_url.present? && valid_url = validate_back_url(back_url) - redirect_to(valid_url) + if back_url = validate_back_url(params[:back_url].to_s) + redirect_to(back_url) return elsif options[:referer] redirect_to_referer_or default @@ -443,6 +442,8 @@ class ApplicationController < ActionController::Base # Returns a validated URL string if back_url is a valid url for redirection, # otherwise false def validate_back_url(back_url) + return false if back_url.blank? + if CGI.unescape(back_url).include?('..') return false end |