Class: HighlightJsController

Inherits:
ApplicationController show all
Defined in:
app/controllers/highlight_js_controller.rb

Constant Summary

Constants inherited from ApplicationController

ApplicationController::LEGACY_NO_THEMES, ApplicationController::LEGACY_NO_UNOFFICIAL_PLUGINS, ApplicationController::NO_PLUGINS, ApplicationController::NO_THEMES, ApplicationController::NO_UNOFFICIAL_PLUGINS, ApplicationController::SAFE_MODE

Constants included from CanonicalURL::ControllerExtensions

CanonicalURL::ControllerExtensions::ALLOWED_CANONICAL_PARAMS

Instance Attribute Summary

Attributes inherited from ApplicationController

#theme_id

Instance Method Summary collapse

Methods inherited from ApplicationController

#application_layout, #can_cache_content?, #clear_notifications, #conditionally_allow_site_embedding, #current_homepage, #discourse_expires_in, #dont_cache_page, #ember_cli_required?, #fetch_user_from_params, #guardian, #handle_permalink, #handle_theme, #handle_unverified_request, #has_escaped_fragment?, #immutable_for, #no_cookies, #perform_refresh_session, #post_ids_including_replies, #preload_json, #rate_limit_second_factor!, #redirect_with_client_support, #render_json_dump, #render_serialized, requires_plugin, #rescue_discourse_actions, #resolve_safe_mode, #secure_session, #serialize_data, #set_current_user_for_logs, #set_layout, #set_mobile_view, #set_mp_snapshot_fields, #show_browser_update?, #store_preloaded, #use_crawler_layout?, #with_resolved_locale

Methods included from VaryHeader

#ensure_vary_header

Methods included from ReadOnlyMixin

#add_readonly_header, #allowed_in_staff_writes_only_mode?, #block_if_readonly_mode, #check_readonly_mode, included, #staff_writes_only_mode?

Methods included from Hijack

#hijack

Methods included from GlobalPath

#cdn_path, #cdn_relative_path, #full_cdn_url, #path, #upload_cdn_path

Methods included from JsonError

#create_errors_json

Methods included from CanonicalURL::ControllerExtensions

#canonical_url, #default_canonical, included

Methods included from CurrentUser

#clear_current_user, #current_user, has_auth_cookie?, #is_api?, #is_user_api?, #log_off_user, #log_on_user, lookup_from_env, #refresh_session

Instance Method Details

#show ⇒ Object 



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# File 'app/controllers/highlight_js_controller.rb', line 12

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