81 lines
4.5 KiB
Ruby
81 lines
4.5 KiB
Ruby
# Be sure to restart your server when you modify this file.
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# 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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Rails.application.config.content_security_policy do |policy|
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images_whitelist = ["*.openstreetmap.org", "*.cloud.ovh.net", "*"]
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images_whitelist << URI(DS_PROXY_URL).host if DS_PROXY_URL.present?
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images_whitelist << URI(MATOMO_IFRAME_URL).host if MATOMO_IFRAME_URL.present?
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policy.img_src(:self, :data, :blob, *images_whitelist)
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# Javascript: allow us, SendInBlue and Matomo.
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# We need unsafe_inline because miniprofiler and us have some inline buttons :(
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scripts_whitelist = ["*.crisp.chat", "crisp.chat", "cdn.jsdelivr.net", "maxcdn.bootstrapcdn.com", "code.jquery.com", "unpkg.com"]
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scripts_whitelist << URI(MATOMO_IFRAME_URL).host if MATOMO_IFRAME_URL.present?
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policy.script_src(:self, :unsafe_eval, :unsafe_inline, :blob, *scripts_whitelist)
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# CSS: We have a lot of inline style, and some <style> tags.
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# It's too complicated to be fixed right now (and it wouldn't add value: this is hardcoded in views, so not subject to injections)
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policy.style_src(:self, :unsafe_inline, "*.crisp.chat", "crisp.chat", 'cdn.jsdelivr.net', 'maxcdn.bootstrapcdn.com', "unpkg.com")
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connect_whitelist = ["wss://*.crisp.chat", "*.crisp.chat", "app.franceconnect.gouv.fr", "openmaptiles.geo.data.gouv.fr", "openmaptiles.github.io", "tiles.geo.api.gouv.fr", "wxs.ign.fr"]
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connect_whitelist << ENV.fetch('APP_HOST')
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connect_whitelist << "*.amazonaws.com" if Rails.configuration.active_storage.service == :amazon
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connect_whitelist += [URI(ENV["SENTRY_DSN_JS"]).host, URI(ENV["SENTRY_DSN_RAILS"]).host].compact.uniq
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connect_whitelist << URI(DS_PROXY_URL).host if DS_PROXY_URL.present?
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connect_whitelist << URI(API_ADRESSE_URL).host if API_ADRESSE_URL.present?
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connect_whitelist << URI(API_EDUCATION_URL).host if API_EDUCATION_URL.present?
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connect_whitelist << URI(API_GEO_URL).host if API_GEO_URL.present?
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connect_whitelist << Rails.application.secrets.matomo[:host] if Rails.application.secrets.matomo[:enabled]
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policy.connect_src(:self, *connect_whitelist)
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# Frames: allow Matomo's iframe on the /suivi page
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frame_whitelist = []
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frame_whitelist << URI(MATOMO_IFRAME_URL).host if Rails.application.secrets.matomo[:enabled]
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policy.frame_src(:self, *frame_whitelist)
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# Everything else: allow us
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# Add the error source in the violation notification
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default_whitelist = ["fonts.gstatic.com", "in-automate.sendinblue.com", "player.vimeo.com", "app.franceconnect.gouv.fr", "*.crisp.chat", "crisp.chat", "*.crisp.help", "*.sibautomation.com", "sibautomation.com", "data"]
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default_whitelist += [URI(ENV["SENTRY_DSN_JS"]).host, URI(ENV["SENTRY_DSN_RAILS"]).host].compact.uniq
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default_whitelist << URI(DS_PROXY_URL).host if DS_PROXY_URL.present?
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policy.default_src(:self, :data, :blob, :report_sample, *default_whitelist)
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if Rails.env.development?
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# Allow LiveReload requests
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policy.connect_src(*policy.connect_src, "ws://localhost:3035", "http://localhost:3035")
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# Allow Vite.js
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policy.connect_src(*policy.connect_src, "ws://#{ViteRuby.config.host_with_port}")
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policy.script_src(*policy.script_src, :unsafe_eval, "http://#{ViteRuby.config.host_with_port}")
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# CSP are not enforced in development (see content_security_policy_report_only in development.rb)
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# However we notify a random local URL, to see breakage in the DevTools when adding a new external resource.
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policy.report_uri CSP_REPORT_URI if CSP_REPORT_URI.present?
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elsif Rails.env.test?
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# Disallow all connections to external domains during tests
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policy.img_src(:self, :data, :blob)
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policy.script_src(:self, :unsafe_eval, :unsafe_inline, :blob)
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policy.style_src(:self, :unsafe_inline)
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policy.connect_src(:self)
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policy.frame_src(:self)
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policy.default_src(:self, :data, :blob)
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else
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policy.report_uri CSP_REPORT_URI if CSP_REPORT_URI.present?
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end
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end
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# If you are using UJS then enable automatic nonce generation
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# Rails.application.config.content_security_policy_nonce_generator = -> request { SecureRandom.base64(16) }
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# Set the nonce only to specific directives
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# Rails.application.config.content_security_policy_nonce_directives = %w(script-src)
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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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