Sergei Poljanski
201a70b07b
The bingo host fell through to asxp.io's public/, so crawlers got asxp.io's robots.txt pointing at asxp.io's sitemap (and the keys and invoice JS were served too). Turn static files off for BingoWeb and give it its own robots.txt and a sitemap with hreflang alternates. The card loaded 15.6 MB of full-size photos as cell backgrounds. Derive 480/1200 px WebP variants with ImageMagick on store (memory/area limits, input coder pinned to the sniffed type), render cells as <img> with lazy loading past the first two rows, and add an admin action that rebuilds variants from the stored originals. Head gets per-locale titles and descriptions carrying the live score, og:image from the latest hit, Twitter card, og:locale alternates, JSON-LD WebSite + ItemList, and Vary: Accept-Language on the redirect. Assisted-by: Claude:opus-5
106 lines
4 KiB
Ruby
106 lines
4 KiB
Ruby
# Public datacenter bingo, served on BINGO_HOST from the same process as
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# AsxpioWeb (config.ru dispatches by Host). Read-only: no session, no CSRF.
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# Content is managed from asxp.io/admin/bingo (lib/bingo_admin.rb).
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class BingoWeb < Sinatra::Base
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HOSTS = [ENV['BINGO_HOST'], ENV['BINGO_ALT_HOST']].compact.reject(&:empty?).freeze
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configure do
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set :root, $root
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set :views, File.join($root, 'views', 'bingo')
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set :erb, layout: :layout, escape_html: true
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# public/ belongs to asxp.io (its robots.txt, sitemap, keys, admin JS);
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# the card needs none of it.
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set :static, false
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set :show_exceptions, $env == 'development'
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set :host_authorization,
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{ permitted_hosts: $env == 'production' ? HOSTS : [] }
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end
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helpers do
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def t(key) = Bingo::T[@locale][key]
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def kind_label(kind) = Bingo::T[@locale][:kinds][kind] || Bingo::T[@locale][:kinds]['other']
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def kind_icon(kind) = Bingo::ICONS[kind] || Bingo::ICONS['other']
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def photo_path(dc, width = nil) = dc.photo_file(width) && "/p/#{dc.photo_file(width)}"
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def base_url = "https://#{ENV.fetch('BINGO_HOST', request.host)}"
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# WebSite + ItemList of the card's datacenters, for rich results.
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def json_ld(board, desc)
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url = "#{base_url}/#{@locale}"
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JSON.generate(
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'@context' => 'https://schema.org',
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'@graph' => [
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{ '@type' => 'WebSite', '@id' => "#{base_url}/#website", 'url' => "#{base_url}/",
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'name' => t(:title), 'inLanguage' => Bingo::LOCALES,
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'publisher' => { '@type' => 'Person', 'name' => 'asxpi', 'url' => 'https://asxp.io' } },
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{ '@type' => 'ItemList', 'url' => url, 'name' => t(:seo_title), 'description' => desc,
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'inLanguage' => @locale, 'numberOfItems' => board.cells.size,
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'itemListElement' => board.cells.each_with_index.map do |dc, i|
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place = { '@type' => 'Place', 'name' => dc.l(:name, @locale),
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'address' => { '@type' => 'PostalAddress', 'addressLocality' => dc.l(:city, @locale), 'addressCountry' => 'RU' } }
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place['image'] = "#{base_url}#{photo_path(dc, 1200)}" if dc.photo_key
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place['sameAs'] = dc.info_url if dc.info_url
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{ '@type' => 'ListItem', 'position' => i + 1, 'item' => place }
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end }
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]
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).gsub('</', '<\/')
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end
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# Preview image: the most recent hit with a photo, else the first photo.
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def og_photo(board)
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dc = board.incidents.map(&:datacenter).find(&:photo_key) || board.cells.find(&:photo_key)
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dc && "#{base_url}#{photo_path(dc, 1200)}"
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end
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def fmt_date(d) = d.strftime('%d.%m.%Y')
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def mw(dc)
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dc.mw.to_s.strip.empty? ? nil : "#{dc.mw} #{t(:mw)}"
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end
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def preferred_locale
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langs = request.env['HTTP_ACCEPT_LANGUAGE'].to_s.downcase.scan(/([a-z]{2})(?:-[a-z]+)?(?:;q=([\d.]+))?/)
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langs.sort_by { |_, q| -(q || '1').to_f }.map(&:first).find { |l| Bingo::LOCALES.include?(l) } || 'en'
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end
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end
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before do
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halt 503, 'Bingo not configured (DATABASE_URL missing).' unless defined?(Bingo::Datacenter)
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end
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get '/' do
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headers 'Vary' => 'Accept-Language'
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redirect "/#{preferred_locale}", 302
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end
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get '/robots.txt' do
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content_type 'text/plain'
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"User-agent: *\nAllow: /\n\nSitemap: #{base_url}/sitemap.xml\n"
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end
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get '/sitemap.xml' do
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content_type 'application/xml'
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cache_control :public, max_age: 3600
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@lastmod = Bingo::Board.load.updated_on
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erb :sitemap, layout: false
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end
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get %r{/(ru|en|uk)/?} do |locale|
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@locale = locale
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@board = Bingo::Board.load
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cache_control :public, max_age: 60
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erb :index
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end
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# Photos are immutable per key (a new upload gets a new key).
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get '/p/:file' do
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bytes, type = Bingo::Photo.read(params[:file])
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content_type type
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cache_control :public, :immutable, max_age: 31_536_000
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bytes
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rescue Bingo::Photo::Error, Aws::S3::Errors::NoSuchKey, Aws::S3::Errors::NotFound
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halt 404
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end
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not_found do
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'Not found'
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end
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end
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