upload.rb

#!/usr/bin/env ruby
require 'thor'
require 'rest_client'
require 'base64'
require 'qiniu-rs'

class QiniuUploader < Thor
  desc "upload", "Upload a file to qiniu cloud storage"
  def upload
    bucket = 'mybucket'
    key = 'mykey'
    action = "/rs-put/#{urlsafe_base64_encode("#{bucket}:#{key}")}"

    Qiniu::RS.establish_connection! :access_key => '< Please input your access key here >', :secret_key => '< Please input your secret key here >'
    token = Qiniu::RS.generate_upload_token :expires_in => 3600*24*1000, :scpoe => bucket 

    file = '/path/to/file'
    res = RestClient.post 'http://up.qbox.me/upload', :auth => token, :action => action, :file => File.open(file)
    puts res.inspect
  end

  private
  def urlsafe_base64_encode(s)
    Base64.encode64(s).strip.gsub('+', '-').gsub('/','_').gsub(/\r?\n/, '')
  end
end

QiniuUploader.start