# Be sure to restart your server when you modify this file. # Define an application-wide content security policy. # See the Securing Rails Applications Guide for more information: # https://guides.rubyonrails.org/security.html#content-security-policy-header # Rails.application.configure do # config.content_security_policy do |policy| # policy.default_src :self, :https # policy.font_src :self, :https, :data # policy.img_src :self, :https, :data # policy.object_src :none # policy.script_src :self, :https # policy.style_src :self, :https # # Specify URI for violation reports # # policy.report_uri "/csp-violation-report-endpoint" # end # # # Generate session nonces for permitted importmap, inline scripts, and inline styles. # config.content_security_policy_nonce_generator = ->(request) { request.session.id.to_s } # config.content_security_policy_nonce_directives = %w(script-src style-src) # # # Report violations without enforcing the policy. # # config.content_security_policy_report_only = true # end