64 lines
2.5 KiB
Ruby
64 lines
2.5 KiB
Ruby
# Define an application-wide content security policy
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# For further information see the following documentation
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# https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/Content-Security-Policy
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if Rails.env.production?
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assets_host = Rails.configuration.action_controller.asset_host || "https://#{ENV['WEB_DOMAIN'] || ENV['LOCAL_DOMAIN']}"
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data_hosts = [assets_host]
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if ENV['S3_ENABLED'] == 'true'
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attachments_host = "https://#{ENV['S3_ALIAS_HOST'] || ENV['S3_CLOUDFRONT_HOST'] || ENV['S3_HOSTNAME'] || "s3-#{ENV['S3_REGION'] || 'us-east-1'}.amazonaws.com"}"
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attachments_host = "https://#{Addressable::URI.parse(attachments_host).host}"
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elsif ENV['SWIFT_ENABLED'] == 'true'
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attachments_host = ENV['SWIFT_OBJECT_URL']
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attachments_host = "https://#{Addressable::URI.parse(attachments_host).host}"
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else
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attachments_host = nil
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end
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data_hosts << attachments_host unless attachments_host.nil?
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if ENV['PAPERCLIP_ROOT_URL']
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url = Addressable::URI.parse(assets_host) + ENV['PAPERCLIP_ROOT_URL']
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data_hosts << "https://#{url.host}"
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end
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data_hosts.concat(ENV['EXTRA_DATA_HOSTS'].split('|')) if ENV['EXTRA_DATA_HOSTS']
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data_hosts.uniq!
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Rails.application.config.content_security_policy do |p|
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p.base_uri :none
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p.default_src :none
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p.frame_ancestors :none
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p.script_src :self, assets_host
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p.font_src :self, assets_host
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p.img_src :self, :data, :blob, *data_hosts
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p.style_src :self, assets_host
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p.media_src :self, :data, *data_hosts
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p.frame_src :self, :https
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p.child_src :self, :blob, assets_host
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p.worker_src :self, :blob, assets_host
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p.connect_src :self, :blob, :data, Rails.configuration.x.streaming_api_base_url, *data_hosts
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p.manifest_src :self, assets_host
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end
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end
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# Report CSP violations to a specified URI
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# For further information see the following documentation:
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# https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/Content-Security-Policy-Report-Only
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# Rails.application.config.content_security_policy_report_only = true
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Rails.application.config.content_security_policy_nonce_generator = -> request { SecureRandom.base64(16) }
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Rails.application.config.content_security_policy_nonce_directives = %w(style-src)
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PgHero::HomeController.content_security_policy do |p|
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p.script_src :self, :unsafe_inline, assets_host
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p.style_src :self, :unsafe_inline, assets_host
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end
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PgHero::HomeController.after_action do
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request.content_security_policy_nonce_generator = nil
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end
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