Module: Pwm

Defined in:
lib/pwm.rb,
lib/pwm/version.rb

Defined Under Namespace

Classes: TooShortException

Constant Summary collapse

VERSION = 
"1.2.1"

Class Method Summary collapse

Class Method Details

.characters ⇒ Object

Internal: The set of characters from which passwords will be assembled. This could be overridden if you don’t like the default.

Returns the set of characters as an Array.



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# File 'lib/pwm.rb', line 13

def self.characters
  (('A'..'Z').to_a  + ('a'..'z').to_a +
   ('2'..'9').to_a) - ['I', 'O', 'l']
end

.password(length = 16) ⇒ Object

Public: Generate a password.

length - The length of the password. Minimum is 8. Default is 16.

Examples

Pwm.password
# => 'SPdHeZnn9rut4AUz'

Pwm.password(8)
# => 'oUX4fmqr'

Returns the generated password as a String if length >= 8, or raises exception if length < 8.



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# File 'lib/pwm.rb', line 32

def self.password(length = 16)
  if length < 8
    raise Pwm::TooShortException,
          "Requested length #{length} is too short."
  else
    password = ''
    until (password.match(/[A-Z]/) &&
           password.match(/[a-z]/) &&
           password.match(/[0-9]/))
      password = (0..length - 1).inject('') do |pw, n|
        pw + characters[rand(characters.length)]
      end
    end
    password
  end
end