mastodon/config/initializers/content_security_policy.rb

50 lines
2 KiB
Ruby
Raw Normal View History

2018-04-12 12:45:17 +00:00
# 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
2018-08-23 14:03:38 +00:00
if Rails.env.production?
assets_host = Rails.configuration.action_controller.asset_host || "https://#{ENV['WEB_DOMAIN'] || ENV['LOCAL_DOMAIN']}"
2018-08-28 19:41:03 +00:00
data_hosts = [assets_host]
if ENV['S3_ENABLED'] == 'true'
2019-05-03 22:14:49 +00:00
attachments_host = "https://#{ENV['S3_ALIAS_HOST'] || ENV['S3_CLOUDFRONT_HOST'] || ENV['S3_HOSTNAME'] || "s3-#{ENV['S3_REGION'] || 'us-east-1'}.amazonaws.com"}"
attachments_host = "https://#{Addressable::URI.parse(attachments_host).host}"
2018-08-28 19:41:03 +00:00
elsif ENV['SWIFT_ENABLED'] == 'true'
attachments_host = ENV['SWIFT_OBJECT_URL']
2019-05-03 22:14:49 +00:00
attachments_host = "https://#{Addressable::URI.parse(attachments_host).host}"
2018-08-28 19:41:03 +00:00
else
attachments_host = nil
end
2018-08-28 19:41:03 +00:00
data_hosts << attachments_host unless attachments_host.nil?
2018-08-23 11:08:39 +00:00
if ENV['PAPERCLIP_ROOT_URL']
url = Addressable::URI.parse(assets_host) + ENV['PAPERCLIP_ROOT_URL']
data_hosts << "https://#{url.host}"
end
data_hosts.concat(ENV['EXTRA_DATA_HOSTS'].split('|')) if ENV['EXTRA_DATA_HOSTS']
data_hosts.uniq!
2018-08-23 14:03:38 +00:00
Rails.application.config.content_security_policy do |p|
p.base_uri :none
p.default_src :none
p.frame_ancestors :none
p.script_src :self, assets_host
p.font_src :self, assets_host
2018-11-10 17:53:23 +00:00
p.img_src :self, :data, :blob, *data_hosts
2018-08-23 14:03:38 +00:00
p.style_src :self, :unsafe_inline, assets_host
2018-08-28 19:41:03 +00:00
p.media_src :self, :data, *data_hosts
2018-08-23 14:03:38 +00:00
p.frame_src :self, :https
p.worker_src :self, :blob, assets_host
2019-08-19 20:02:35 +00:00
p.connect_src :self, :blob, :data, Rails.configuration.x.streaming_api_base_url, *data_hosts
2018-11-10 17:53:23 +00:00
p.manifest_src :self, assets_host
2018-08-23 14:03:38 +00:00
end
end
2018-04-12 12:45:17 +00:00
# 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