mirror of
https://github.com/discourse/discourse.git
synced 2024-11-24 13:56:50 +08:00
313 lines
9.1 KiB
Ruby
313 lines
9.1 KiB
Ruby
require 'current_user'
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require 'canonical_url'
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require_dependency 'guardian'
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require_dependency 'unread'
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require_dependency 'age_words'
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require_dependency 'configurable_urls'
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require_dependency 'mobile_detection'
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require_dependency 'category_badge'
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require_dependency 'global_path'
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require_dependency 'canonical_url'
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module ApplicationHelper
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include CurrentUser
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include CanonicalURL::Helpers
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include ConfigurableUrls
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include GlobalPath
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def google_universal_analytics_json(ua_domain_name=nil)
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result = {}
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if ua_domain_name
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result[:cookieDomain] = ua_domain_name.gsub(/^http(s)?:\/\//, '')
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end
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if current_user.present?
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result[:userId] = current_user.id
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end
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result.to_json.html_safe
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end
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def ga_universal_json
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google_universal_analytics_json(SiteSetting.ga_universal_domain_name)
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end
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def google_tag_manager_json
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google_universal_analytics_json
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end
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def shared_session_key
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if SiteSetting.long_polling_base_url != '/'.freeze && current_user
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sk = "shared_session_key"
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return request.env[sk] if request.env[sk]
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request.env[sk] = key = (session[sk] ||= SecureRandom.hex)
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$redis.setex "#{sk}_#{key}", 7.days, current_user.id.to_s
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key
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end
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end
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def script(*args)
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if GlobalSetting.cdn_url &&
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GlobalSetting.cdn_url.start_with?("https") &&
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ENV["COMPRESS_BROTLI"] == "1" &&
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request.env["HTTP_ACCEPT_ENCODING"] =~ /br/
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tags = javascript_include_tag(*args)
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tags.gsub!("#{GlobalSetting.cdn_url}/assets/", "#{GlobalSetting.cdn_url}/brotli_asset/")
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tags.html_safe
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else
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javascript_include_tag(*args)
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end
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end
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def discourse_csrf_tags
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# anon can not have a CSRF token cause these are all pages
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# that may be cached, causing a mismatch between session CSRF
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# and CSRF on page and horrible impossible to debug login issues
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if current_user
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csrf_meta_tags
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end
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end
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def html_classes
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"#{mobile_view? ? 'mobile-view' : 'desktop-view'} #{mobile_device? ? 'mobile-device' : 'not-mobile-device'} #{rtl_class} #{current_user ? '' : 'anon'}"
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end
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def body_classes
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if @category && @category.url.present?
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"category-#{@category.url.sub(/^\/c\//, '').gsub(/\//, '-')}"
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end
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end
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def rtl_class
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rtl? ? 'rtl' : ''
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end
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def escape_unicode(javascript)
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if javascript
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javascript = javascript.scrub
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javascript.gsub!(/\342\200\250/u, '
')
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javascript.gsub!(/(<\/)/u, '\u003C/')
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javascript.html_safe
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else
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''
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end
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end
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def format_topic_title(title)
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PrettyText.unescape_emoji strip_tags(title)
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end
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def with_format(format, &block)
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old_formats = formats
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self.formats = [format]
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block.call
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self.formats = old_formats
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nil
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end
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def age_words(secs)
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AgeWords.age_words(secs)
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end
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def short_date(dt)
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if dt.year == Time.now.year
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I18n.l(dt, format: :short_no_year)
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else
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I18n.l(dt, format: :date_only)
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end
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end
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def guardian
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@guardian ||= Guardian.new(current_user)
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end
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def mini_profiler_enabled?
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defined?(Rack::MiniProfiler) && admin?
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end
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def admin?
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current_user.try(:admin?)
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end
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def moderator?
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current_user.try(:moderator?)
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end
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def staff?
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current_user.try(:staff?)
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end
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def rtl?
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["ar", "ur", "fa_IR", "he"].include? I18n.locale.to_s
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end
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def user_locale
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locale = current_user.locale if current_user && SiteSetting.allow_user_locale
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# changing back to default shoves a blank string there
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locale.present? ? locale : SiteSetting.default_locale
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end
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# Creates open graph and twitter card meta data
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def crawlable_meta_data(opts=nil)
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opts ||= {}
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opts[:url] ||= "#{Discourse.base_url_no_prefix}#{request.fullpath}"
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if opts[:image].blank? && (SiteSetting.default_opengraph_image_url.present? || SiteSetting.twitter_summary_large_image_url.present?)
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opts[:twitter_summary_large_image] = SiteSetting.twitter_summary_large_image_url if SiteSetting.twitter_summary_large_image_url.present?
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opts[:image] = SiteSetting.default_opengraph_image_url.present? ? SiteSetting.default_opengraph_image_url : SiteSetting.twitter_summary_large_image_url
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elsif opts[:image].blank? && SiteSetting.apple_touch_icon_url.present?
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opts[:image] = SiteSetting.apple_touch_icon_url
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end
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# Use the correct scheme for open graph image
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if opts[:image].present?
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if opts[:image].start_with?("//")
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uri = URI(Discourse.base_url)
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opts[:image] = "#{uri.scheme}:#{opts[:image]}"
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elsif opts[:image].start_with?("/uploads/")
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opts[:image] = "#{Discourse.base_url}#{opts[:image]}"
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elsif GlobalSetting.relative_url_root && opts[:image].start_with?(GlobalSetting.relative_url_root)
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opts[:image] = "#{Discourse.base_url_no_prefix}#{opts[:image]}"
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end
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end
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# Add opengraph & twitter tags
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result = []
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result << tag(:meta, property: 'og:site_name', content: SiteSetting.title)
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if opts[:twitter_summary_large_image].present?
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result << tag(:meta, name: 'twitter:card', content: "summary_large_image")
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result << tag(:meta, name: "twitter:image", content: opts[:twitter_summary_large_image])
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elsif opts[:image].present?
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result << tag(:meta, name: 'twitter:card', content: "summary")
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result << tag(:meta, name: "twitter:image", content: opts[:image])
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else
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result << tag(:meta, name: 'twitter:card', content: "summary")
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end
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result << tag(:meta, property: "og:image", content: opts[:image]) if opts[:image].present?
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[:url, :title, :description].each do |property|
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if opts[property].present?
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escape = (property != :image)
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result << tag(:meta, { property: "og:#{property}", content: opts[property] }, nil, escape)
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result << tag(:meta, { name: "twitter:#{property}", content: opts[property] }, nil, escape)
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end
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end
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if opts[:read_time] && opts[:read_time] > 0 && opts[:like_count] && opts[:like_count] > 0
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result << tag(:meta, name: 'twitter:label1', value: I18n.t("reading_time"))
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result << tag(:meta, name: 'twitter:data1', value: "#{opts[:read_time]} mins 🕑")
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result << tag(:meta, name: 'twitter:label2', value: I18n.t("likes"))
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result << tag(:meta, name: 'twitter:data2', value: "#{opts[:like_count]} ❤")
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end
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result.join("\n")
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end
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def render_sitelinks_search_tag
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json = {
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'@context' => 'http://schema.org',
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'@type' => 'WebSite',
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url: Discourse.base_url,
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potentialAction: {
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'@type' => 'SearchAction',
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target: "#{Discourse.base_url}/search?q={search_term_string}",
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'query-input' => 'required name=search_term_string',
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}
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}
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content_tag(:script, MultiJson.dump(json).html_safe, type: 'application/ld+json'.freeze)
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end
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def application_logo_url
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@application_logo_url ||= (mobile_view? && SiteSetting.mobile_logo_url) || SiteSetting.logo_url
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end
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def login_path
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"#{Discourse::base_uri}/login"
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end
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def mobile_view?
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MobileDetection.resolve_mobile_view!(request.user_agent,params,session)
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end
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def crawler_layout?
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controller.try(:use_crawler_layout?)
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end
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def include_crawler_content?
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crawler_layout? || !mobile_view?
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end
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def mobile_device?
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MobileDetection.mobile_device?(request.user_agent)
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end
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NO_CUSTOM = "no_custom".freeze
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NO_PLUGINS = "no_plugins".freeze
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ONLY_OFFICIAL = "only_official".freeze
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SAFE_MODE = "safe_mode".freeze
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def customization_disabled?
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safe_mode = params[SAFE_MODE]
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session[:disable_customization] || (safe_mode && safe_mode.include?(NO_CUSTOM))
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end
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def allow_plugins?
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safe_mode = params[SAFE_MODE]
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!(safe_mode && safe_mode.include?(NO_PLUGINS))
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end
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def allow_third_party_plugins?
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safe_mode = params[SAFE_MODE]
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!(safe_mode && (safe_mode.include?(NO_PLUGINS) || safe_mode.include?(ONLY_OFFICIAL)))
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end
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def normalized_safe_mode
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mode_string = params["safe_mode"]
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safe_mode = nil
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(safe_mode ||= []) << NO_CUSTOM if mode_string.include?(NO_CUSTOM)
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(safe_mode ||= []) << NO_PLUGINS if mode_string.include?(NO_PLUGINS)
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(safe_mode ||= []) << ONLY_OFFICIAL if mode_string.include?(ONLY_OFFICIAL)
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if safe_mode
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safe_mode.join(",").html_safe
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end
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end
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def loading_admin?
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controller.class.name.split("::").first == "Admin"
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end
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def category_badge(category, opts=nil)
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CategoryBadge.html_for(category, opts).html_safe
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end
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def self.all_connectors
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@all_connectors = Dir.glob("plugins/*/app/views/connectors/**/*.html.erb")
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end
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def server_plugin_outlet(name)
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# Don't evaluate plugins in test
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return "" if Rails.env.test?
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matcher = Regexp.new("/connectors/#{name}/.*\.html\.erb$")
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erbs = ApplicationHelper.all_connectors.select {|c| c =~ matcher }
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return "" if erbs.blank?
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result = ""
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erbs.each {|erb| result << render(file: erb) }
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result.html_safe
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end
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def topic_featured_link_domain(link)
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begin
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uri = URI.encode(link)
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uri = URI.parse(uri)
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uri = URI.parse("http://#{uri}") if uri.scheme.nil?
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host = uri.host.downcase
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host.start_with?('www.') ? host[4..-1] : host
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rescue
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''
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end
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end
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end
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