diff options
Diffstat (limited to 'actionview/lib/action_view/helpers/csp_helper.rb')
| -rw-r--r-- | actionview/lib/action_view/helpers/csp_helper.rb | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/actionview/lib/action_view/helpers/csp_helper.rb b/actionview/lib/action_view/helpers/csp_helper.rb new file mode 100644 index 0000000000..e2e065c218 --- /dev/null +++ b/actionview/lib/action_view/helpers/csp_helper.rb @@ -0,0 +1,24 @@ +# frozen_string_literal: true + +module ActionView + # = Action View CSP Helper + module Helpers #:nodoc: + module CspHelper + # Returns a meta tag "csp-nonce" with the per-session nonce value + # for allowing inline <script> tags. + # + # <head> + # <%= csp_meta_tag %> + # </head> + # + # This is used by the Rails UJS helper to create dynamically + # loaded inline <script> elements. + # + def csp_meta_tag + if content_security_policy? + tag("meta", name: "csp-nonce", content: content_security_policy_nonce) + end + end + end + end +end |