Revoke a Salesforce OAuth token

revoke.rb

#!/usr/bin/env ruby

# We revoke the OAuth token by sending an HTTP POST to salesforce.com/services/oauth2/revoke
# Usage
#     ruby revoke.rb myOauthtoken
#
# https://help.salesforce.com/articleView?id=remoteaccess_revoke_token.htm&type=0
#
#    POST /revoke HTTP/1.1
#    Host: https://test.salesforce.com/services/oauth2/revoke
#    Content-Type: application/x-www-form-urlencoded
#
#    token=currenttoken

require 'bundler/inline'
require 'json'
gemfile do
  gem 'faraday'
end

token = ARGV.shift
puts "Revoking token=#{token}\n"
headers = { 'Content-Type' => 'application/x-www-form-urlencoded' }
body = "token=#{token}"
location = 'https://test.salesforce.com/services/oauth2/revoke'
response = Faraday.post(location, body, headers)
if response.status == 302
  location = response.headers['location']
  response = Faraday.post(location, body, headers)
end
if response.status == 202
  puts :done
else
  print response.headers.to_json
  puts
  puts response.body
  puts
  puts response.status
end