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Tighten CSP while allowing CDN hosts

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Thibaut Girka 2018-08-23 13:08:39 +02:00 committed by ThibG
parent 478f70a0e6
commit 48db3b3c99
2 changed files with 12 additions and 10 deletions
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0
config/initializers/ostatus.rb → config/initializers/1_hosts.rb
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22
config/initializers/content_security_policy.rb
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@ -2,20 +2,22 @@
# For further information see the following documentation # For further information see the following documentation
# https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/Content-Security-Policy # https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/Content-Security-Policy
assets_host = Rails.configuration.action_controller.asset_host || "https://#{ENV['WEB_DOMAIN'] || ENV['LOCAL_DOMAIN']}"
Rails.application.config.content_security_policy do |p| Rails.application.config.content_security_policy do |p|
p.frame_ancestors :none
p.object_src :none
p.script_src :self
p.base_uri :none p.base_uri :none
# p.default_src :self, :https p.default_src :none
# p.font_src :self, :https, :data p.frame_ancestors :none
# p.img_src :self, :https, :data p.script_src :self, assets_host
# p.style_src :self, :https, :unsafe_inline p.font_src :self, assets_host
# p.img_src :self, :https, :data, :blob
# # Specify URI for violation reports p.style_src :self, :unsafe_inline, assets_host
# # p.report_uri "/csp-violation-report-endpoint" p.media_src :self, :data, assets_host
p.frame_src :self, :https
p.connect_src :self, assets_host, Rails.configuration.x.streaming_api_base_url
end end
# Report CSP violations to a specified URI # Report CSP violations to a specified URI
# For further information see the following documentation: # For further information see the following documentation:
# https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/Content-Security-Policy-Report-Only # https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/Content-Security-Policy-Report-Only