forked from treehouse/mastodon
48 lines
1.9 KiB
Ruby
48 lines
1.9 KiB
Ruby
# 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
|
|
|
|
if Rails.env.production?
|
|
assets_host = Rails.configuration.action_controller.asset_host || "https://#{ENV['WEB_DOMAIN'] || ENV['LOCAL_DOMAIN']}"
|
|
data_hosts = [assets_host]
|
|
|
|
if ENV['S3_ENABLED'] == 'true'
|
|
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}"
|
|
elsif ENV['SWIFT_ENABLED'] == 'true'
|
|
attachments_host = ENV['SWIFT_OBJECT_URL']
|
|
attachments_host = "https://#{Addressable::URI.parse(attachments_host).host}"
|
|
else
|
|
attachments_host = nil
|
|
end
|
|
|
|
data_hosts << attachments_host unless attachments_host.nil?
|
|
|
|
if ENV['PAPERCLIP_ROOT_URL']
|
|
url = Addressable::URI.parse(assets_host) + ENV['PAPERCLIP_ROOT_URL']
|
|
data_hosts << "https://#{url.host}"
|
|
end
|
|
|
|
data_hosts.uniq!
|
|
|
|
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
|
|
p.img_src :self, :data, :blob, *data_hosts
|
|
p.style_src :self, :unsafe_inline, assets_host
|
|
p.media_src :self, :data, *data_hosts
|
|
p.frame_src :self, :https
|
|
p.worker_src :self, assets_host
|
|
p.connect_src :self, :blob, Rails.configuration.x.streaming_api_base_url, *data_hosts
|
|
p.manifest_src :self, assets_host
|
|
end
|
|
end
|
|
|
|
# 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
|