Class: ZiggeoAuth

Inherits:
Object
  • Object
show all
Defined in:
lib/classes/ZiggeoAuth.rb

Instance Method Summary collapse

Constructor Details

#initialize(application) ⇒ ZiggeoAuth

Returns a new instance of ZiggeoAuth.



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# File 'lib/classes/ZiggeoAuth.rb', line 8

def initialize(application)
  @application = application
  @cipher = nil
end

Instance Method Details

#_encrypt(plaintext) ⇒ Object 



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# File 'lib/classes/ZiggeoAuth.rb', line 13

def _encrypt(plaintext)
  if (@cipher == nil)
    hashed_key = Digest::MD5.hexdigest(@application.encryption_key)
    @cipher = OpenSSL::Cipher::Cipher.new("AES-256-CBC")
    @cipher.encrypt
    @cipher.padding = 1
    @cipher.key = hashed_key
  end
  iv = SecureRandom.hex(8)
  @cipher.iv = iv
  encrypted = @cipher.update(plaintext) + @cipher.final
  encrypted = encrypted.unpack("H*").first
  return iv + encrypted
end

#_generateNonce ⇒ Object 



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# File 'lib/classes/ZiggeoAuth.rb', line 37

def _generateNonce()
  t = Time.new
  return t.to_i.to_s + rand(256 * 256 * 256 * 256).to_s
end

#generate(options = {}) ⇒ Object 



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# File 'lib/classes/ZiggeoAuth.rb', line 28

def generate(options = {})
  data = {
    "application_token" => @application.token,
    "nonce" => self._generateNonce()
  }    
  data.update(options)
  return self._encrypt(JSON.generate(data))
end