class MetadataController < ApplicationController layout false skip_before_action :preload_json, :check_xhr, :redirect_to_login_if_required def manifest render json: default_manifest.to_json, content_type: 'application/manifest+json' end def opensearch render file: "#{Rails.root}/app/views/metadata/opensearch.xml" end private def default_manifest logo = SiteSetting.site_large_icon_url.presence || SiteSetting.site_logo_small_url.presence || SiteSetting.site_apple_touch_icon_url.presence if !logo logo = '/images/d-logo-sketch-small.png' end file_info = get_file_info(logo) display = Regexp.new(SiteSetting.pwa_display_browser_regex).match(request.user_agent) ? 'browser' : 'standalone' manifest = { name: SiteSetting.title, display: display, start_url: Discourse.base_uri.present? ? "#{Discourse.base_uri}/" : '.', background_color: "##{ColorScheme.hex_for_name('secondary', view_context.scheme_id)}", theme_color: "##{ColorScheme.hex_for_name('header_background', view_context.scheme_id)}", icons: [ { src: UrlHelper.absolute(logo), sizes: file_info[:size], type: file_info[:type] } ], share_target: { action: "/new-topic", method: "GET", enctype: "application/x-www-form-urlencoded", params: { title: "title", text: "body" } } } manifest[:short_name] = SiteSetting.short_title if SiteSetting.short_title.present? if SiteSetting.native_app_install_banner manifest = manifest.merge( prefer_related_applications: true, related_applications: [ { platform: "play", id: "com.discourse" } ] ) end manifest end def get_file_info(filename) type = MiniMime.lookup_by_filename(filename)&.content_type || "image/png" upload = Upload.find_by_url(filename) { size: "#{upload&.width || 512}x#{upload&.height || 512}", type: type } end end