tinder_fb_token.rb

require 'mechanize'
require 'pry'

L = 'https://www.facebook.com/v2.6/dialog/oauth?redirect_uri=fb464891386855067%3A%2F%2Fau' \
    'thorize%2F&scope=user_birthday,user_photos,user_education_history,email,user_relatio' \
    'nship_details,user_friends,user_work_history,user_likes&response_type=token%2Csigned' \
    '_request&client_id=464891386855067'.freeze

USER_AGENT = 'Mozilla/5.0 (Linux; U; en-gb; KFTHWI Build/JDQ39) AppleWebKit/535.19 (KHTML' \
             ', like Gecko) Silk/3.16 Safari/535.19'.freeze

def wrong_args
  puts 'usage: ruby tinder_fb_token.rb email password'
end

wrong_args if ARGV.count != 2

mechanize = Mechanize.new
mechanize.user_agent = USER_AGENT

login_form = mechanize.get(L).form do |f|
  f.email = ARGV[0]
  f.pass = ARGV[1]
end

result = login_form.submit.form.submit.body.split('access_token=')[1].split('&')[0]

puts "Facebook Access Token: #{result}"

Getting tinder_fb_token.rb:26:in '<main>': undefined method 'split' for nil:NilClass (NoMethodError) but no idea why its not working for that split method.

I am on ruby 2.5.0p0 (2017-12-25 revision 61468) [x86_64-darwin17] and Rails 5.1.4.

Same issue !