require 'active_support/core_ext/string/strip' module ActionView # = Action View CSRF Helper module Helpers module CsrfHelper # Returns meta tags "csrf-param" and "csrf-token" with the name of the cross-site # request forgery protection parameter and token, respectively. # # # <%= csrf_meta_tags %> # # # These are used to generate the dynamic forms that implement non-remote links with # :method. # # Note that regular forms generate hidden fields, and that Ajax calls are whitelisted, # so they do not use these tags. def csrf_meta_tags if protect_against_forgery? [ tag('meta', :name => 'csrf-param', :content => request_forgery_protection_token), tag('meta', :name => 'csrf-token', :content => form_authenticity_token) ].join("\n").html_safe end end # For backwards compatibility. alias csrf_meta_tag csrf_meta_tags end end end