Downloads all Disqus source code

disqus_source_code.rb

# blog post: http://blog.slashpoundbang.com/post/2592867566/disqus-the-missing-manual

require 'net/http'
require 'open-uri'

# The list of files to download
files = {
  # used in production
  'build' => {
    # Disqus translations
    'lang' => [
      'ar',
      'af',
      'bg',
      'zh',
      'zh_HANT',
      'cs',
      'da',
      'nl',
      'et',
      'fr',
      'de_formal',
      'de_inf',
      'el',
      'hu',
      'he',
      'it',
      'is',
      'id',
      'ja',
      'ko',
      'lv',
      'lb',
      'lt',
      'nb',
      'pl',
      'pt_BR',
      'pt_EU',
      'ro',
      'ru',
      'sk',
      'sl',
      'es_AR',
      'es_MX',
      'es_ES',
      'sv_SE',
      'tr',
      'th',
      'uk',
      'vi',
      'fi',
      'ms',
      'sr_CYRL',
      'sr_LATIN',
    ],
    # names are minified: see below
    'system' => [
      'loader',
      'defaults',
      # disqus.js and dqs.js are the current API
      'disqus',
      'dsq', # used if Facebook Like arguments appears in query string
      # disqus.newframes.js and dsq.newframes.js are the legacy API
      'disqus.newframes',
      'dsq.newframes', # used if Facebook Like arguments appears in query string
    ],
  },
  # used in testing: these are concatenated to create disqus.js and dsq.js above
  'javascript' => {
    # names aren't minified
    'embed' => {
      # current API
      'dtpl' => [
        'loader',
        'dtpl',
        'utils',
        'sandbox',
        'tooltip',
        'api',
        'ui',
        'compat',
      ],
      # legacy API
      'newframes' => [
        'dtpl',
        'utils',
        'sandbox',
        'newframes',
        'parentmessenger',
        'jsonrpc',
        'fragmentpacket',
        'postmessagepacket',
        'tooltip',
        'api',
        'ui',
      ],
    },
  },
  'js' => {
    'dist' => [
      'commentbox',
      'lib',
    ],
    'src' => [
      'json', {
        'lib' => [
          'easyxdm',
          'stacktrace',
        ],
      },
    ],
  },
  # client files
  'uploads' => {
    # custom themes
    'themes' => [
      'custom_cnn',
      't_c9f0f895fb98ab9159f51fd0297e236d',
    ],
  },
}

# Traverses the list of files
def traverse(files, parts)
  files.each do |k,v|
    base = parts + [k]
    if v.is_a? Array
      v.each do |w|
        if w.is_a? String
          path = (base + [w]).join('/') + '.js'
          `curl -s --create-dirs -o #{File.expand_path('../disqus/' + path, __FILE__)} #{'http://mediacdn.disqus.com/' + path}`
        elsif w.is_a? Hash
          traverse w, base
        end
      end
    elsif v.is_a? Hash
      traverse v, base
    end
  end
end

# Gets the current release's UNIX timestamp, e.g.
# 1289172589 = 2010-11-07 23:29:49 UTC
# 1290216453 = 2010-11-20 01:27:33 UTC
# 1290563000 = 2010-11-24 01:43:20 UTC
# 1291775874 = 2010-12-08 02:37:54 UTC
# 1292627651 = 2010-12-17 23:14:11 UTC
# 1293147696 = 2010-12-23 23:41:36 UTC
# 1293675352 = 2010-12-30 02:15:52 UTC
# 1294082394 = 2011-01-03 19:19:54 UTC
# 1294180938 = 2011-01-04 22:42:18 UTC
# 1294184022 = 2011-01-04 23:33:42 UTC
# 1294857368 = 2011-01-12 18:36:08 UTC
def timestamp
  Net::HTTP.start('cnn.disqus.com', 80) do |http|
    return http.head('/embed.js').response['location'][/\d+/]
  end
end

# Can take a UNIX timestamp as an argument
traverse files, [ARGV[0] || timestamp]