discourse/app/controllers/metadata_controller.rb
2023-01-09 14:14:59 +00:00

129 lines
3.9 KiB
Ruby

# frozen_string_literal: true
class MetadataController < ApplicationController
layout false
skip_before_action :preload_json, :check_xhr, :redirect_to_login_if_required
def manifest
expires_in 1.minutes
render json: default_manifest.to_json, content_type: "application/manifest+json"
end
def opensearch
expires_in 1.minutes
render template: "metadata/opensearch", formats: [:xml]
end
def app_association_android
raise Discourse::NotFound unless SiteSetting.app_association_android.present?
expires_in 1.minutes
render plain: SiteSetting.app_association_android, content_type: "application/json"
end
def app_association_ios
raise Discourse::NotFound unless SiteSetting.app_association_ios.present?
expires_in 1.minutes
render plain: SiteSetting.app_association_ios, content_type: "application/json"
end
private
def default_manifest
display = "standalone"
if request.user_agent
regex = Regexp.new(SiteSetting.pwa_display_browser_regex)
display = "browser" if regex.match(request.user_agent)
end
scheme_id = view_context.scheme_id
primary_color = ColorScheme.hex_for_name("primary", scheme_id)
icon_url_base =
UrlHelper.absolute("/svg-sprite/#{Discourse.current_hostname}/icon/#{primary_color}")
manifest = {
name: SiteSetting.title,
short_name:
SiteSetting.short_title.presence ||
SiteSetting.title.truncate(12, separator: " ", omission: ""),
description: SiteSetting.site_description,
display: display,
start_url: Discourse.base_path.present? ? "#{Discourse.base_path}/" : ".",
background_color: "##{ColorScheme.hex_for_name("secondary", scheme_id)}",
theme_color: "##{ColorScheme.hex_for_name("header_background", scheme_id)}",
icons: [],
share_target: {
action: "#{Discourse.base_path}/new-topic",
method: "GET",
enctype: "application/x-www-form-urlencoded",
params: {
title: "title",
text: "body",
},
},
shortcuts: [
{
name: I18n.t("js.topic.create_long"),
short_name: I18n.t("js.topic.create"),
url: "#{Discourse.base_path}/new-topic",
},
{
name: I18n.t("js.user.messages.inbox"),
short_name: I18n.t("js.user.messages.inbox"),
url: "#{Discourse.base_path}/my/messages",
},
{
name: I18n.t("js.user.bookmarks"),
short_name: I18n.t("js.user.bookmarks"),
url: "#{Discourse.base_path}/my/activity/bookmarks",
},
{
name: I18n.t("js.filters.top.title"),
short_name: I18n.t("js.filters.top.title"),
url: "#{Discourse.base_path}/top",
},
],
}
logo = SiteSetting.site_manifest_icon_url
if logo
icon_entry = {
src: UrlHelper.absolute(logo),
sizes: "512x512",
type: MiniMime.lookup_by_filename(logo)&.content_type || "image/png",
}
manifest[:icons] << icon_entry.dup
icon_entry[:purpose] = "maskable"
manifest[:icons] << icon_entry
end
SiteSetting
.manifest_screenshots
.split("|")
.each do |image|
next unless Discourse.store.has_been_uploaded?(image)
upload = Upload.find_by(sha1: Upload.extract_sha1(image))
next if upload.nil?
manifest[:screenshots] = [] if manifest.dig(:screenshots).nil?
manifest[:screenshots] << {
src: UrlHelper.absolute(image),
sizes: "#{upload.width}x#{upload.height}",
type: "image/#{upload.extension}",
}
end
if current_user && current_user.trust_level >= 1 &&
SiteSetting.native_app_install_banner_android
manifest =
manifest.merge(
prefer_related_applications: true,
related_applications: [{ platform: "play", id: SiteSetting.android_app_id }],
)
end
manifest
end
end