Module: RobustServerSocket::SecureToken::Decrypt

Defined in:
lib/robust_server_socket/secure_token/decrypt.rb

Class Method Summary collapse

Class Method Details

.call(token) ⇒ Object 



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# File 'lib/robust_server_socket/secure_token/decrypt.rb', line 10

def call(token)
  unless token.is_a?(String) && token.match?(BASE64_REGEXP)
    raise InvalidToken, 'Invalid token format'
  end

  decoded_token = ::Base64.strict_decode64(token)

  if decoded_token.bytesize > 1024
    raise InvalidToken, 'Token too large'
  end

  private_key.private_decrypt(decoded_token, OpenSSL::PKey::RSA::PKCS1_OAEP_PADDING).force_encoding('UTF-8')
rescue ::OpenSSL::PKey::RSAError, ArgumentError
  raise InvalidToken, 'Invalid token'
end

.clear_private_key_cache! ⇒ Object

Clear cached private key (useful for hot reloading in development)



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# File 'lib/robust_server_socket/secure_token/decrypt.rb', line 27

def clear_private_key_cache!
  @private_key = nil
end