zammad/config/initializers/content_security_policy.rb

86 lines
3.6 KiB
Ruby

# Copyright (C) 2012-2026 Zammad Foundation, https://zammad-foundation.org/
# Be sure to restart your server when you modify this file.
# 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
# Rails.application.config.content_security_policy do |policy|
# policy.default_src :self, :https
# policy.font_src :self, :https, :data
# policy.img_src :self, :https, :data
# policy.object_src :none
# policy.script_src :self, :https
# Allow @vite/client to hot reload changes in development
# policy.script_src *policy.script_src, :unsafe_eval, "http://#{ ViteRuby.config.host_with_port }" if Rails.env.development?
# You may need to enable this in production as well depending on your setup.
# policy.script_src *policy.script_src, :blob if Rails.env.test?
# policy.style_src :self, :https
# # If you are using webpack-dev-server then specify webpack-dev-server host
# policy.connect_src :self, :https, "http://localhost:3035", "ws://localhost:3035" if Rails.env.development?
# Allow @vite/client to hot reload changes in development
# policy.connect_src *policy.connect_src, "ws://#{ ViteRuby.config.host_with_port }" if Rails.env.development?
# # Specify URI for violation reports
# # policy.report_uri "/csp-violation-report-endpoint"
# end
Rails.application.config.content_security_policy do |policy| # rubocop:disable Metrics/BlockLength
base_uri = proc do
next if !Rails.env.production?
next if !Setting.get('system_init_done')
http_type = Setting.get('http_type')
fqdn = Setting.get('fqdn')
"#{http_type}://#{fqdn}"
end
policy.base_uri :self, base_uri
policy.default_src :self
policy.connect_src :self, :ws, :wss, 'https://images.zammad.com'
policy.font_src :self, :data
policy.frame_ancestors :self
policy.frame_src 'https://www.youtube.com', 'https://player.vimeo.com'
policy.img_src '*', :data, :blob
policy.object_src :none
policy.script_src :self, :unsafe_eval
policy.style_src :self, :unsafe_inline
if Rails.env.development?
websocket_uris = proc do
[
"ws://#{ViteRuby.config.host_with_port}",
"ws://#{ViteRuby.config.host}:#{Setting.get('websocket_port')}",
"ws://#{ViteRuby.config.host}:#{ENV['ZAMMAD_RAILS_PORT'] || 3000}/cable",
# Include localhost URIs as well, to cover local setups where ViteRuby is configured to use another hostname.
*(if ViteRuby.config.host != 'localhost'
[
"ws://localhost:#{ViteRuby.config.port}",
"ws://localhost:#{Setting.get('websocket_port')}",
"ws://localhost:#{ENV['ZAMMAD_RAILS_PORT'] || 3000}/cable",
]
end)
].compact
end
policy.script_src :self, :unsafe_eval, :unsafe_inline
policy.connect_src :self, :https, :wss, "http://#{ViteRuby.config.host_with_port}", *websocket_uris
end
end
# If you are using UJS then enable automatic nonce generation
Rails.application.config.content_security_policy_nonce_generator = ->(_request) { SecureRandom.base64(16) }
# Set the nonce only to specific directives
Rails.application.config.content_security_policy_nonce_directives = %w[script-src]
# 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 if Rails.env.development?