Class: SignIn::RefreshTokenEncryptor

Inherits:
Object
  • Object
show all
Defined in:
app/services/sign_in/refresh_token_encryptor.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(refresh_token:) ⇒ RefreshTokenEncryptor

Returns a new instance of RefreshTokenEncryptor.



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# File 'app/services/sign_in/refresh_token_encryptor.rb', line 7

def initialize(refresh_token:)
  @refresh_token = refresh_token
  validate_input
  @version = refresh_token.version
  @nonce = refresh_token.nonce
end

Instance Attribute Details

#nonce ⇒ Object (readonly)

Returns the value of attribute nonce.



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# File 'app/services/sign_in/refresh_token_encryptor.rb', line 5

def nonce
  @nonce
end

#refresh_token ⇒ Object (readonly)

Returns the value of attribute refresh_token.



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# File 'app/services/sign_in/refresh_token_encryptor.rb', line 5

def refresh_token
  @refresh_token
end

#version ⇒ Object (readonly)

Returns the value of attribute version.



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# File 'app/services/sign_in/refresh_token_encryptor.rb', line 5

def version
  @version
end

Instance Method Details

#build_refresh_token_string(encrypted_refresh_token) ⇒ Object (private) 



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# File 'app/services/sign_in/refresh_token_encryptor.rb', line 27

def build_refresh_token_string(encrypted_refresh_token)
  string_array = []
  string_array[Constants::RefreshToken::ENCRYPTED_POSITION] = encrypted_refresh_token
  string_array[Constants::RefreshToken::NONCE_POSITION] = nonce
  string_array[Constants::RefreshToken::VERSION_POSITION] = version
  string_array.join('.')
end

#message_encryptor ⇒ Object (private) 



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# File 'app/services/sign_in/refresh_token_encryptor.rb', line 40

def message_encryptor
  KmsEncrypted::Box.new
end

#perform ⇒ Object 



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# File 'app/services/sign_in/refresh_token_encryptor.rb', line 14

def perform
  encrypted_refresh_token = serialize_and_encrypt_refresh_token
  build_refresh_token_string(encrypted_refresh_token)
end

#serialize_and_encrypt_refresh_token ⇒ Object (private) 



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# File 'app/services/sign_in/refresh_token_encryptor.rb', line 35

def serialize_and_encrypt_refresh_token
  serialized_refresh_token = refresh_token.to_json
  message_encryptor.encrypt(serialized_refresh_token)
end

#validate_input ⇒ Object (private) 



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# File 'app/services/sign_in/refresh_token_encryptor.rb', line 21

def validate_input
  unless refresh_token.version && refresh_token.nonce
    raise Errors::RefreshTokenMalformedError.new message: 'Refresh token is malformed'
  end
end