discourse/app/controllers/highlight_js_controller.rb

Ignoring revisions in .git-blame-ignore-revs. Click here to bypass and see the normal blame view.

35 lines
1.2 KiB
Ruby
Raw Normal View History

# frozen_string_literal: true
class HighlightJsController < ApplicationController
skip_before_action :preload_json,
:redirect_to_login_if_required,
:check_xhr,
:verify_authenticity_token,
only: [:show]
before_action :apply_cdn_headers, only: [:show]
def show
no_cookies
RailsMultisite::ConnectionManagement.with_hostname(params[:hostname]) do
current_version = HighlightJs.version(SiteSetting.highlighted_languages)
return redirect_to path(HighlightJs.path) if current_version != params[:version]
# note, this can be slightly optimised by caching the bundled file, it cuts down on N reads
# our nginx config caches this so in practical terms it does not really matter and keeps
# code simpler
languages = SiteSetting.highlighted_languages.split("|")
highlight_js = HighlightJs.bundle(languages)
response.headers["Last-Modified"] = 10.years.ago.httpdate
response.headers["Content-Length"] = highlight_js.bytesize.to_s
immutable_for 1.year
render plain: highlight_js, disposition: nil, content_type: "application/javascript"
end
end
end