Class: Fernet::Generator

Inherits:
Object
  • Object
show all
Defined in:
lib/fernet/generator.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(secret, encrypt) ⇒ Generator

Returns a new instance of Generator.



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# File 'lib/fernet/generator.rb', line 10

def initialize(secret, encrypt)
  @secret  = Secret.new(secret, encrypt)
  @encrypt = encrypt
  @payload = ''
  @data    = {}
end

Instance Attribute Details

#data ⇒ Object

Returns the value of attribute data.



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# File 'lib/fernet/generator.rb', line 8

def data
  @data
end

#payload ⇒ Object

Returns the value of attribute payload.



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# File 'lib/fernet/generator.rb', line 8

def payload
  @payload
end

Instance Method Details

#generate {|_self| ... } ⇒ Object

Yields:

  • (_self)

Yield Parameters:



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# File 'lib/fernet/generator.rb', line 17

def generate
  yield self if block_given?
  data.merge!(:issued_at => DateTime.now)

  if encrypt?
    iv = encrypt_data!
    @payload = "#{base64(data)}|#{base64(iv)}"
  else
    @payload = base64(Yajl::Encoder.encode(data))
  end

  mac = OpenSSL::HMAC.hexdigest('sha256', payload, signing_key)
  "#{payload}|#{mac}"
end

#inspect ⇒ Object Also known as: to_s 



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# File 'lib/fernet/generator.rb', line 32

def inspect
  "#<Fernet::Generator @secret=[masked] @data=#{@data.inspect}>"
end