Class: Izokatu::ActionCallOptionsSelector

Inherits:
Object
  • Object
show all
Extended by:
Callable
Includes:
Contracts
Defined in:
lib/izokatu/action_call_options_selector.rb

Overview

Izokatu selector of options for selected action class

Constant Summary collapse

RBNACL_KEY_CLASSES =

RbNaCl public key classes, used for contracts

[
  RbNaCl::Boxes::Curve25519XSalsa20Poly1305::PrivateKey,
  RbNaCl::Boxes::Curve25519XSalsa20Poly1305::PublicKey
].freeze
OPENSSL_KEY_CLASSES =

OpenSSL public key classes, used for contracts

[
  OpenSSL::PKey::RSA,
  OpenSSL::PKey::EC
].freeze

Instance Attribute Summary collapse

Instance Method Summary collapse

Methods included from Callable

call

Constructor Details

#initialize(action_class:, options:) ⇒ ActionCallOptionsSelector

Initializing options for action class

Parameters:

Since:

  • 0.1.0



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# File 'lib/izokatu/action_call_options_selector.rb', line 59

def initialize(action_class:, options:)
  @action_class = action_class.to_s
  @action = options[:action]
  @via = options[:via]
  @cipher = options[:cipher]
  @clear_data_string = options[:clear_data_string]
  @encrypted_data_string = options[:encrypted_data_string]
  @public_key = options[:public_key]
  @private_key = options[:private_key]
  @key = options[:key]
  @nonce = options[:nonce]
  @auth_data = options[:auth_data]
  @auth_tag = options[:auth_tag]
  @ecies_options = options[:ecies_options]
  @bit_number = options[:bit_number]
end

Instance Attribute Details

#action ⇒ Symbol (readonly)

Returns action to execute.

Returns:

  • (Symbol) —

    action to execute



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# File 'lib/izokatu/action_call_options_selector.rb', line 13

def action
  @action
end

#action_class ⇒ Class (readonly)

Returns selected action class.

Returns:

  • (Class) —

    selected action class



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# File 'lib/izokatu/action_call_options_selector.rb', line 11

def action_class
  @action_class
end

#auth_data ⇒ String (readonly)

Returns authenticated data.

Returns:

  • (String) —

    authenticated data



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# File 'lib/izokatu/action_call_options_selector.rb', line 32

def auth_data
  @auth_data
end

#auth_tag ⇒ String (readonly)

Returns authentication tag.

Returns:

  • (String) —

    authentication tag



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# File 'lib/izokatu/action_call_options_selector.rb', line 34

def auth_tag
  @auth_tag
end

#bit_number ⇒ Integer (readonly)

Returns bit number for OpenSSL public key RSA encryption/decryption.

Returns:

  • (Integer) —

    bit number for OpenSSL public key RSA encryption/decryption



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# File 'lib/izokatu/action_call_options_selector.rb', line 38

def bit_number
  @bit_number
end

#cipher ⇒ String (readonly)

Note:

also used for OpenSSL public key ec key generation

Returns OpenSSL private key cipher.

Returns:

  • (String) —

    OpenSSL private key cipher



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# File 'lib/izokatu/action_call_options_selector.rb', line 18

def cipher
  @cipher
end

#clear_data_string ⇒ String (readonly)

Returns string of clear data for encryption.

Returns:

  • (String) —

    string of clear data for encryption



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# File 'lib/izokatu/action_call_options_selector.rb', line 20

def clear_data_string
  @clear_data_string
end

#ecies_options ⇒ Hash (readonly)

Returns options for OpenSSL public key EC encryption/decryption.

Returns:

  • (Hash) —

    options for OpenSSL public key EC encryption/decryption



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# File 'lib/izokatu/action_call_options_selector.rb', line 36

def ecies_options
  @ecies_options
end

#encrypted_data_string ⇒ String (readonly)

Returns string of encrypted data for decryption.

Returns:

  • (String) —

    string of encrypted data for decryption



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# File 'lib/izokatu/action_call_options_selector.rb', line 22

def encrypted_data_string
  @encrypted_data_string
end

#key ⇒ String (readonly)

Returns encryption key for private key encryption/decryption.

Returns:

  • (String) —

    encryption key for private key encryption/decryption



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# File 'lib/izokatu/action_call_options_selector.rb', line 28

def key
  @key
end

#nonce ⇒ String (readonly)

Returns initialization vector for one-time use.

Returns:

  • (String) —

    initialization vector for one-time use



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# File 'lib/izokatu/action_call_options_selector.rb', line 30

def nonce
  @nonce
end

#private_key ⇒ RBNACL_KEY_CLASSES || OPENSSL_KEY_CLASSES (readonly)

Returns private key for public key encryption/decryption.

Returns:



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# File 'lib/izokatu/action_call_options_selector.rb', line 26

def private_key
  @private_key
end

#public_key ⇒ RBNACL_KEY_CLASSES || OPENSSL_KEY_CLASSES (readonly)

Returns public key for public key encryption/decryption.

Returns:



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# File 'lib/izokatu/action_call_options_selector.rb', line 24

def public_key
  @public_key
end

#via ⇒ Symbol (readonly)

Returns library used for encryption/decryption.

Returns:

  • (Symbol) —

    library used for encryption/decryption



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# File 'lib/izokatu/action_call_options_selector.rb', line 15

def via
  @via
end

Instance Method Details

#perform ⇒ Hash

Selecting options for keys generation class or for encryption/decryption class

Returns:

  • (Hash) —

    options for action class call

Since:

  • 0.1.0



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# File 'lib/izokatu/action_call_options_selector.rb', line 82

def perform
  action == :keys_generation ? select_keys_generation_action_options : select_default_action_options
end

#select_default_action_options ⇒ Hash (private)

Selecting options for encryption/decryption class

Returns:

  • (Hash) —

    options for encryption/decryption class

Since:

  • 0.1.0



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# File 'lib/izokatu/action_call_options_selector.rb', line 111

def select_default_action_options
  via == :rbnacl ? select_rbnacl_action_options : select_openssl_action_options
end

#select_keys_generation_action_options ⇒ Hash (private)

Selecting options for keys generation class

Returns:

  • (Hash) —

    options for keys generation class

Since:

  • 0.1.0



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# File 'lib/izokatu/action_call_options_selector.rb', line 94

def select_keys_generation_action_options
  case action_class
  when 'Izokatu::Rbnacl::PublicKey::KeysGenerator'
    {}
  when 'Izokatu::Openssl::PublicKey::RSA::KeysGenerator'
    { bit_number: bit_number }
  when 'Izokatu::Openssl::PublicKey::EC::KeysGenerator'
    { cipher: cipher }
  end
end

#select_openssl_action_options ⇒ Hash (private)

Selecting options for Openssl encryption/decryption class

Returns:

  • (Hash) —

    options for Openssl encryption/decryption class

Since:

  • 0.1.0



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# File 'lib/izokatu/action_call_options_selector.rb', line 154

def select_openssl_action_options
  case action_class
  when 'Izokatu::Openssl::PrivateKey::Default::Encrypter'
    { cipher: cipher, clear_data: clear_data_string }
  when 'Izokatu::Openssl::PrivateKey::Default::Decrypter'
    {
      cipher: cipher,
      encrypted_data: encrypted_data_string,
      key: key,
      nonce: nonce
    }
  when 'Izokatu::Openssl::PrivateKey::Auth::Encrypter'
    {
      cipher: cipher,
      clear_data: clear_data_string,
      auth_data: auth_data
    }
  when 'Izokatu::Openssl::PrivateKey::Auth::Decrypter'
    {
      cipher: cipher,
      encrypted_data: encrypted_data_string,
      key: key,
      nonce: nonce,
      auth_data: auth_data,
      auth_tag: auth_tag
    }
  when 'Izokatu::Openssl::PrivateKey::Auth::CCM::Encrypter'
    {
      cipher: cipher,
      clear_data: clear_data_string,
      auth_data: auth_data
    }
  when 'Izokatu::Openssl::PrivateKey::Auth::CCM::Decrypter'
    {
      cipher: cipher,
      encrypted_data: encrypted_data_string,
      key: key,
      nonce: nonce,
      auth_data: auth_data,
      auth_tag: auth_tag
    }
  when 'Izokatu::Openssl::PublicKey::RSA::Encrypter'
    { clear_data: clear_data_string, public_key: public_key }
  when 'Izokatu::Openssl::PublicKey::RSA::Decrypter'
    { private_key: private_key, encrypted_data: encrypted_data_string }
  when 'Izokatu::Openssl::PublicKey::EC::Encrypter'
    {
      clear_data: clear_data_string,
      public_key: public_key,
      ecies_options: ecies_options
    }
  when 'Izokatu::Openssl::PublicKey::EC::Decrypter'
    {
      private_key: private_key,
      encrypted_data: encrypted_data_string,
      ecies_options: ecies_options
    }
  end
end

#select_rbnacl_action_options ⇒ Hash (private)

Selecting options for Rbnacl encryption/decryption class

Returns:

  • (Hash) —

    options for Rbnacl encryption/decryption class

Since:

  • 0.1.0



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# File 'lib/izokatu/action_call_options_selector.rb', line 121

def select_rbnacl_action_options
  case action_class
  when 'Izokatu::Rbnacl::PrivateKey::Encrypter'
    { auth_data: auth_data, clear_data: clear_data_string }
  when 'Izokatu::Rbnacl::PrivateKey::Decrypter'
    {
      encrypted_data: encrypted_data_string,
      nonce: nonce,
      key: key,
      auth_data: auth_data
    }
  when 'Izokatu::Rbnacl::PublicKey::Encrypter'
    {
      public_key: public_key,
      private_key: private_key,
      clear_data: clear_data_string
    }
  when 'Izokatu::Rbnacl::PublicKey::Decrypter'
    {
      encrypted_data: encrypted_data_string,
      nonce: nonce,
      public_key: public_key,
      private_key: private_key
    }
  end
end