Tighten CSP while allowing CDN hosts
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2 changed files with 12 additions and 10 deletions
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@ -2,20 +2,22 @@
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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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assets_host = Rails.configuration.action_controller.asset_host || "https://#{ENV['WEB_DOMAIN'] || ENV['LOCAL_DOMAIN']}"
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Rails.application.config.content_security_policy do |p|
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p.frame_ancestors :none
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p.object_src :none
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p.script_src :self
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p.base_uri :none
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# p.default_src :self, :https
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# p.font_src :self, :https, :data
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# p.img_src :self, :https, :data
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# p.style_src :self, :https, :unsafe_inline
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#
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# # Specify URI for violation reports
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# # p.report_uri "/csp-violation-report-endpoint"
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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, :https, :data, :blob
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p.style_src :self, :unsafe_inline, assets_host
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p.media_src :self, :data, assets_host
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p.frame_src :self, :https
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p.connect_src :self, assets_host, Rails.configuration.x.streaming_api_base_url
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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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