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authorPiotr Sarnacki <drogus@gmail.com>2013-05-04 15:09:22 +0200
committerŁukasz Strzałkowski <lukasz.strzalkowski@gmail.com>2013-06-20 17:23:15 +0200
commit0d6e8edc2a47a4b4c6824936632bfb83850db343 (patch)
tree8829bfb94756e48e9489c4e8d22bb41df251bc81 /actionview/lib/action_view/helpers/csrf_helper.rb
parent78b0934dd1bb84e8f093fb8ef95ca99b297b51cd (diff)
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Move actionpack/lib/action_view* into actionview/lib
Diffstat (limited to 'actionview/lib/action_view/helpers/csrf_helper.rb')
-rw-r--r--actionview/lib/action_view/helpers/csrf_helper.rb30
1 files changed, 30 insertions, 0 deletions
diff --git a/actionview/lib/action_view/helpers/csrf_helper.rb b/actionview/lib/action_view/helpers/csrf_helper.rb
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+++ b/actionview/lib/action_view/helpers/csrf_helper.rb
@@ -0,0 +1,30 @@
+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.
+ #
+ # <head>
+ # <%= csrf_meta_tags %>
+ # </head>
+ #
+ # These are used to generate the dynamic forms that implement non-remote links with
+ # <tt>:method</tt>.
+ #
+ # 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