18F/identity-dashboard

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config/initializers/content_security_policy.rb

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# Be sure to restart your server when you modify this file.

# Define an application-wide content security policy
# For further information see the following documentation
# https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/Content-Security-Policy
# https://guides.rubyonrails.org/security.html#content-security-policy-header

# Rails.application.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"

#   # 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

# If you are using UJS then enable automatic nonce generation
# Rails.application.config.content_security_policy_nonce_generator = -> request { SecureRandom.base64(16) }

# Report CSP violations to a specified URI
# For further information see the following documentation:
# https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/Content-Security-Policy-Report-Only
# Rails.application.config.content_security_policy_report_only = true