GoTo Meeting ruby script to obtain an *opener* url

readme.md

GoToMeeting Opener in ruby

Requirements

• ruby >= 2.5
• nokogiri gem (gem install nokogiri)

Usage

ruby gtm.rb 0123456

# or
ruby gtm.rb 'My-Meeting-slug'

# don't automatically open goto-opener
ruby gtm.rb 'My-Meeting-slug' -n

# show url for browser (unfortunately chrome only)
ruby gtm.rb 'My-Meeting-slug' -b

License

ISC

gtm.rb

require 'net/http'
require 'uri'
require 'cgi'

require 'nokogiri'
# require 'open-uri'

SHORT_URL = 'https://www.gotomeet.me/'
JOIN_URL = 'https://global.gotomeeting.com/join/'
IFRAME_URL = 'https://launch.getgo.com/launcher2/launch.html?token='

USER_AGENT = 'User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:77.0) Gecko/20100101 Firefox/77.0'

OPENER_URL = 'gotoopener://launch.getgo.com/launcher2/launch/'

def get_body(url)
  uri = URI.parse(url)
  http = Net::HTTP.new(uri.host, uri.port)
  http.use_ssl = true if uri.scheme == 'https'
  req = Net::HTTP::Get.new(uri, {'User-Agent' => USER_AGENT})
  res = http.start { |http| http.request req }
  Nokogiri::HTML.parse res.body
end

def get_token_by_id(id)
  url = "#{JOIN_URL}#{id}"
  get_token(url)
end

def get_token(url)
  doc = get_body(url)
  parse_token(get_iframe_url(doc))
end

def get_token_by_url(url) 
  doc = get_body url
  url = get_meeting_url doc
  get_token(url)
end

def get_token_by_name(name)
  url = "#{SHORT_URL}#{name}"
  doc = get_body url
  url = get_meeting_url doc
  get_token(url)
end

def get_iframe_url(doc)
  doc.css('iframe').attr('src').value
end

def get_meeting_url(doc)
  doc.css('.g2mm-join-link').attr('href').value
end

def get_meeting_url(doc)
  doc.css('.g2mm-join-link').attr('href').value
end

def parse_token(url)
  uri = URI(url)
  query = CGI::parse(uri.query)
  query["token"][0]
end

def get_opener_url(token) 
  "#{OPENER_URL}#{token}"
end

def get_id_by_name(name)
  url = "#{SHORT_URL}#{name}"
  doc = get_body url
  get_meeting_url doc
end

def get_browser(token, is_id)
  unless is_id
    "#{SHORT_URL}#{token}"
  end
  get_id_by_name(token)
end

def open(url)
  system("open #{url}")
end

def main
  id_or_name = ARGV.first
  id_or_name = Integer(id_or_name) if id_or_name.match(/^\d+$/)
  dont_open = ARGV[1] == '-n' || ARGV[1] == '--no-open'
  browser = ARGV[1] == '-b' || ARGV[1] == '--browser'

  is_id = id_or_name.is_a? Integer

  if is_id
    token = get_token_by_id(id_or_name)
  elsif id_or_name.include? 'gotomeet.me'
    token = get_token_by_url(id_or_name)
  else id_or_name =~ URI::regexp
    token = get_token_by_name(id_or_name)
  end

  opener_url = get_opener_url(token)

  # if browser url (for chrome) should be returned
  if browser
    print get_browser(id_or_name, is_id)
  # don't automatically open gotoopener and only print the url
  elsif dont_open
    print opener_url
  else
    # by default open the opener url
    open opener_url
  end
end

main