discourse/app/controllers/extra_locales_controller.rb
Alan Guo Xiang Tan 322a3be2db
DEV: Remove logical OR assignment of constants (#29201)
Constants should always be only assigned once. The logical OR assignment
of a constant is a relic of the past before we used zeitwerk for
autoloading and had bugs where a file could be loaded twice resulting in
constant redefinition warnings.
2024-10-16 10:09:07 +08:00

91 lines
2.3 KiB
Ruby

# frozen_string_literal: true
class ExtraLocalesController < ApplicationController
layout false
skip_before_action :check_xhr,
:preload_json,
:redirect_to_login_if_required,
:redirect_to_profile_if_required,
:verify_authenticity_token
OVERRIDES_BUNDLE = "overrides"
MD5_HASH_LENGTH = 32
MF_BUNDLE = "mf"
BUNDLES = [OVERRIDES_BUNDLE, MF_BUNDLE]
class << self
def js_digests
@js_digests ||= {}
end
def bundle_js_hash(bundle)
bundle_key = "#{bundle}_#{I18n.locale}"
if bundle.in?(BUNDLES)
site = RailsMultisite::ConnectionManagement.current_db
js_digests[site] ||= {}
js_digests[site][bundle_key] ||= begin
js = bundle_js(bundle)
js.present? ? Digest::MD5.hexdigest(js) : nil
end
else
js_digests[bundle_key] ||= Digest::MD5.hexdigest(bundle_js(bundle))
end
end
def url(bundle)
"#{Discourse.base_path}/extra-locales/#{bundle}?v=#{bundle_js_hash(bundle)}"
end
def client_overrides_exist?
bundle_js_hash(OVERRIDES_BUNDLE).present?
end
def bundle_js(bundle)
locale_str = I18n.locale.to_s
bundle_str = "#{bundle}_js"
case bundle
when OVERRIDES_BUNDLE
JsLocaleHelper.output_client_overrides(locale_str)
when MF_BUNDLE
JsLocaleHelper.output_MF(locale_str)
else
JsLocaleHelper.output_extra_locales(bundle_str, locale_str)
end
end
def bundle_js_with_hash(bundle)
js = bundle_js(bundle)
[js, Digest::MD5.hexdigest(js)]
end
def clear_cache!
site = RailsMultisite::ConnectionManagement.current_db
js_digests.delete(site)
end
end
def show
bundle = params[:bundle]
raise Discourse::InvalidAccess.new if !valid_bundle?(bundle)
version = params[:v]
if version.present?
raise Discourse::InvalidParameters.new(:v) unless version.to_s.size == MD5_HASH_LENGTH
end
content, hash = ExtraLocalesController.bundle_js_with_hash(bundle)
immutable_for(1.year) if hash == version
render plain: content, content_type: "application/javascript"
end
private
def valid_bundle?(bundle)
bundle.in?(BUNDLES) || (bundle =~ /\A(admin|wizard)\z/ && current_user&.staff?)
end
end