# frozen_string_literal: true
# name: community-landing
# about: Branded public landing page for unauthenticated visitors
# version: 2.3.0
# authors: DPN MEDiA WORKS
# url: https://github.com/dpnmw/community-landing
# meta_url: https://dpnmediaworks.com
enabled_site_setting :community_landing_enabled
register_asset "stylesheets/community_landing/admin.css", :admin
after_initialize do
module ::CommunityLanding
PLUGIN_NAME = "community-landing"
PLUGIN_DIR = File.expand_path("..", __FILE__)
end
require_relative "lib/community_landing/icons"
require_relative "lib/community_landing/helpers"
require_relative "lib/community_landing/data_fetcher"
require_relative "lib/community_landing/style_builder"
require_relative "lib/community_landing/page_builder"
class ::CommunityLanding::LandingController < ::ApplicationController
requires_plugin CommunityLanding::PLUGIN_NAME
skip_before_action :check_xhr
skip_before_action :redirect_to_login_if_required
skip_before_action :preload_json, raise: false
content_security_policy false
def index
data = CommunityLanding::DataFetcher.fetch
css = load_file("assets", "stylesheets", "community_landing", "landing.css")
js = load_file("assets", "javascripts", "community_landing", "landing.js")
html = CommunityLanding::PageBuilder.new(data: data, css: css, js: js).build
base_url = Discourse.base_url
csp = "default-src 'self' #{base_url}; " \
"script-src 'self' 'unsafe-inline'; " \
"style-src 'self' 'unsafe-inline' https://fonts.googleapis.com https://cdnjs.cloudflare.com; " \
"style-src-elem 'self' 'unsafe-inline' https://fonts.googleapis.com https://cdnjs.cloudflare.com; " \
"img-src 'self' #{base_url} data: https:; " \
"font-src 'self' #{base_url} https://fonts.gstatic.com https://cdnjs.cloudflare.com; " \
"media-src 'self' https:; " \
"connect-src 'self' #{base_url}; " \
"frame-src https://www.youtube.com https://www.youtube-nocookie.com; " \
"frame-ancestors 'self'"
response.headers["Content-Security-Policy"] = csp
render html: html.html_safe, layout: false, content_type: "text/html"
rescue => e
bt = e.backtrace&.first(15)&.join("\n") rescue ""
error_page = <<~HTML
Landing Page Error
CommunityLanding Error
#{ERB::Util.html_escape(e.class)}: #{ERB::Util.html_escape(e.message)}
#{ERB::Util.html_escape(bt)}
HTML
render html: error_page.html_safe, layout: false, content_type: "text/html", status: 500
end
private
def load_file(*path_parts)
File.read(File.join(CommunityLanding::PLUGIN_DIR, *path_parts))
rescue StandardError => e
"/* Error loading #{path_parts.last}: #{e.message} */"
end
end
Discourse::Application.routes.prepend do
root to: "community_landing/landing#index",
constraints: ->(req) {
req.cookies["_t"].blank? &&
SiteSetting.community_landing_enabled
}
end
end