Skip to Content Skip to Search

module ActionView::Helpers::CspHelper

Action View CSP Helpers

Public instance methods

Returns a meta tag “csp-nonce” with the per-session nonce value for allowing inline <script> tags.

  <%= csp_meta_tag %>

This is used by the Rails UJS helper to create dynamically loaded inline <script> elements.

Source code GitHub
# File actionview/lib/action_view/helpers/csp_helper.rb, line 17
def csp_meta_tag(**options)
  if content_security_policy?
    options[:name] = "csp-nonce"
    options[:content] = content_security_policy_nonce
    tag("meta", options)

Definition files