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Change glitch-soc's CSP config to match upstream's closer (#2474)

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Claire 2023-11-20 13:02:49 +01:00 committed by GitHub
parent c34a3a83e1
commit d59196e170
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GPG key ID: 4AEE18F83AFDEB23
2 changed files with 35 additions and 39 deletions
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56
config/initializers/content_security_policy.rb
View file

@ -14,6 +14,17 @@ def host_to_url(str)
uri.to_s
end
base_host = Rails.configuration.x.web_domain
assets_host = Rails.configuration.action_controller.asset_host
assets_host ||= host_to_url(base_host)
media_host = host_to_url(ENV['S3_ALIAS_HOST'])
media_host ||= host_to_url(ENV['S3_CLOUDFRONT_HOST'])
media_host ||= host_to_url(ENV['AZURE_ALIAS_HOST'])
media_host ||= host_to_url(ENV['S3_HOSTNAME']) if ENV['S3_ENABLED'] == 'true'
media_host ||= assets_host
def sso_host
return unless ENV['ONE_CLICK_SSO_LOGIN'] == 'true'
return unless ENV['OMNIAUTH_ONLY'] == 'true'
@ -32,43 +43,15 @@ def sso_host
end
end
unless Rails.env.development?
assets_host = Rails.configuration.action_controller.asset_host || "https://#{ENV['WEB_DOMAIN'] || ENV['LOCAL_DOMAIN']}"
data_hosts = [assets_host]
if ENV['S3_ENABLED'] == 'true' || ENV['AZURE_ENABLED'] == 'true'
attachments_host = host_to_url(ENV['S3_ALIAS_HOST'] || ENV['S3_CLOUDFRONT_HOST'] || ENV['AZURE_ALIAS_HOST'] || ENV['S3_HOSTNAME'] || "s3-#{ENV['S3_REGION'] || 'us-east-1'}.amazonaws.com")
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.concat(ENV['EXTRA_DATA_HOSTS'].split('|')) if ENV['EXTRA_DATA_HOSTS']
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, "'wasm-unsafe-eval'"
p.font_src :self, assets_host
p.img_src :self, :data, :blob, *data_hosts
p.img_src :self, :data, :blob, assets_host
p.style_src :self, assets_host
p.media_src :self, :data, *data_hosts
p.media_src :self, :data, assets_host
p.frame_src :self, :https
p.child_src :self, :blob, assets_host
p.worker_src :self, :blob, assets_host
p.connect_src :self, :blob, :data, Rails.configuration.x.streaming_api_base_url, *data_hosts
p.manifest_src :self, assets_host
if sso_host.present?
@ -76,6 +59,19 @@ unless Rails.env.development?
else
p.form_action :self
end
p.child_src :self, :blob, assets_host
p.worker_src :self, :blob, assets_host
if Rails.env.development?
webpacker_public_host = ENV.fetch('WEBPACKER_DEV_SERVER_PUBLIC', Webpacker.config.dev_server[:public])
webpacker_urls = %w(ws http).map { |protocol| "#{protocol}#{Webpacker.dev_server.https? ? 's' : ''}://#{webpacker_public_host}" }
p.connect_src :self, :data, :blob, assets_host, media_host, Rails.configuration.x.streaming_api_base_url, *webpacker_urls
p.script_src :self, :unsafe_inline, :unsafe_eval, assets_host
else
p.connect_src :self, :data, :blob, assets_host, media_host, Rails.configuration.x.streaming_api_base_url
p.script_src :self, assets_host, "'wasm-unsafe-eval'"
end
end

2
spec/requests/content_security_policy_spec.rb
View file

@ -20,7 +20,7 @@ describe 'Content-Security-Policy' do
"form-action 'self'",
"child-src 'self' blob: https://cb6e6126.ngrok.io",
"worker-src 'self' blob: https://cb6e6126.ngrok.io",
"connect-src 'self' blob: data: ws://localhost:4000 https://cb6e6126.ngrok.io",
"connect-src 'self' data: blob: https://cb6e6126.ngrok.io https://cb6e6126.ngrok.io ws://localhost:4000",
"script-src 'self' https://cb6e6126.ngrok.io 'wasm-unsafe-eval'"
)
end