class Tins::Token
Constants
- BASE16_ALPHABET
- BASE16_LOWERCASE_ALPHABET
- BASE16_UPPERCASE_ALPHABET
- BASE32_ALPHABET
- BASE32_EXTENDED_HEX_ALPHABET
- BASE64_ALPHABET
- BASE64_URL_FILENAME_SAFE_ALPHABET
- DEFAULT_ALPHABET
Attributes
Public Class Methods
Source
# File lib/tins/token.rb, line 24 def initialize(bits: 128, length: nil, alphabet: DEFAULT_ALPHABET, random: SecureRandom) alphabet.size > 1 or raise ArgumentError, 'need at least 2 symbols in alphabet' if length length > 0 or raise ArgumentError, 'length has to be positive' else bits > 0 or raise ArgumentError, 'bits has to be positive' length = (Math.log(1 << bits) / Math.log(alphabet.size)).ceil end self.bits = (Math.log(alphabet.size ** length) / Math.log(2)).floor token = '' length.times { token << alphabet[random.random_number(alphabet.size)] } super token end
Calls superclass method