Ruby script to tweet with only OAuth.

tweet_oauth.rb

#! /usr/local/bin/ruby
# coding: utf-8
#=ツイートテスト(OAuth ライブラリのみを使用)
#
# date          name            version
# 2017.01.16    mk-mode         1.00 新規作成
#
# Copyright(C) 2017 mk-mode.com All Rights Reserved.
#---------------------------------------------------------------------------------
# 引数 : なし
#---------------------------------------------------------------------------------
#
require 'json'
require 'oauth'

class TweetOauth
  CONS_KEY = "... Consumer Key        ..."
  CONS_SEC = "... Consumer Key Secret ..."
  ACCS_KEY = "... Access Token        ..."
  ACCS_SEC = "... Access Token Secret ..."
  SITE = "https://api.twitter.com/"
  URL  = "#{SITE}1.1/statuses/update.json"

  def initialize
    cons = OAuth::Consumer.new(CONS_KEY, CONS_SEC, site: SITE)
    @accs = OAuth::AccessToken.new(cons, ACCS_KEY, ACCS_SEC)
  end

  def exec
    puts text = "これはテストです！"
    res = @accs.post(URL, status: text)
    puts JSON.parse(res.body)
  rescue => e
    $stderr.puts "[#{e.class}] #{e.message}"
    e.backtrace.each { |tr| $stderr.puts "\t#{tr}" }
    exit 1
  end
end

TweetOauth.new.exec if__FILE__ == $0