require 'current_user' require 'canonical_url' require_dependency 'guardian' require_dependency 'unread' require_dependency 'age_words' require_dependency 'configurable_urls' require_dependency 'mobile_detection' module ApplicationHelper include CurrentUser include CanonicalURL::Helpers include ConfigurableUrls def script(*args) if SiteSetting.enable_cdn_js_debugging && GlobalSetting.cdn_url tags = javascript_include_tag(*args, "crossorigin" => "anonymous") tags.gsub!("/assets/", "/cdn_asset/#{Discourse.current_hostname.gsub(".","_")}/") tags.gsub!(".js\"", ".js?origin=#{CGI.escape request.base_url}\"") tags.html_safe else javascript_include_tag(*args) end end def discourse_csrf_tags # anon can not have a CSRF token cause these are all pages # that may be cached, causing a mismatch between session CSRF # and CSRF on page and horrible impossible to debug login issues if current_user csrf_meta_tags end end def html_classes "#{mobile_view? ? 'mobile-view' : 'desktop-view'} #{mobile_device? ? 'mobile-device' : 'not-mobile-device'}" end def escape_unicode(javascript) if javascript javascript = javascript.scrub javascript.gsub!(/\342\200\250/u, '
') javascript.gsub!(/(<\/)/u, '\u003C/') javascript.html_safe else '' end end def with_format(format, &block) old_formats = formats self.formats = [format] block.call self.formats = old_formats nil end def age_words(secs) AgeWords.age_words(secs) end def guardian @guardian ||= Guardian.new(current_user) end def mini_profiler_enabled? defined?(Rack::MiniProfiler) && admin? end def admin? current_user.try(:admin?) end def moderator? current_user.try(:moderator?) end def staff? current_user.try(:staff?) end # Creates open graph and twitter card meta data def crawlable_meta_data(opts=nil) opts ||= {} opts[:image] ||= "#{Discourse.base_url}#{SiteSetting.logo_small_url}" opts[:url] ||= "#{Discourse.base_url}#{request.fullpath}" # Add opengraph tags result = tag(:meta, property: 'og:site_name', content: SiteSetting.title) << "\n" result << tag(:meta, name: 'twitter:card', content: "summary") [:image, :url, :title, :description, 'image:width', 'image:height'].each do |property| if opts[property].present? escape = (property != :image) result << tag(:meta, {property: "og:#{property}", content: opts[property]}, nil, escape) << "\n" result << tag(:meta, {name: "twitter:#{property}", content: opts[property]}, nil, escape) << "\n" end end result end # Look up site content for a key. If the key is blank, you can supply a block and that # will be rendered instead. def markdown_content(key, replacements=nil) result = PrettyText.cook(SiteContent.content_for(key, replacements || {})).html_safe if result.blank? && block_given? yield nil else result end end def login_path "#{Discourse::base_uri}/login" end def mobile_view? MobileDetection.resolve_mobile_view!(request.user_agent,params,session) end def mobile_device? MobileDetection.mobile_device?(request.user_agent) end def customization_disabled? controller.class.name.split("::").first == "Admin" || session[:disable_customization] end end