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Enable Content-Security-Policy to prevent Searchworks from being embedded in a frame #4089

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Enable Content-Security-Policy to prevent Searchworks from being embedded in a frame #4089

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41 changes: 22 additions & 19 deletions config/initializers/content_security_policy.rb
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Original file line number Diff line number Diff line change
Expand Up @@ -4,22 +4,25 @@
# 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
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"

# Prevent this site from being opened in a <frame> or <iframe> (replaces X-Frame-Options: sameorigin)
policy.frame_ancestors :self
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