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# frozen_string_literal: true
module WebIdeCSP
extend ActiveSupport::Concern
included do
before_action :include_web_ide_csp
# We want to include frames from `/assets/webpack` of the request's host to
# support URL flexibility with the Web IDE.
# https://gitlab.com/gitlab-org/gitlab/-/merge_requests/118875
def include_web_ide_csp
return if request.content_security_policy.directives.blank?
base_uri = URI(request.url)
base_uri.path = ::Gitlab.config.gitlab.relative_url_root || '/'
# `.path +=` handles combining `x/` and `/foo`
base_uri.path += '/assets/webpack/'
webpack_url = base_uri.to_s
default_src = Array(request.content_security_policy.directives['default-src'] || [])
request.content_security_policy.directives['frame-src'] ||= default_src
request.content_security_policy.directives['frame-src'].concat([webpack_url, 'https://*.vscode-cdn.net/'])
request.content_security_policy.directives['worker-src'] ||= default_src
request.content_security_policy.directives['worker-src'].concat([webpack_url])
end
end
end
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