Class: CognitoRails::PasswordGenerator

Inherits:
Object
  • Object
show all
Defined in:
lib/cognito_rails/password_generator.rb

Constant Summary collapse

NUMERIC = 
(0..9).to_a.freeze
LOWER_CASE = 
('a'..'z').to_a.freeze
UPPER_CASE = 
('A'..'Z').to_a.freeze
SPECIAL = 
[
  '^', '$', '*', '.', '[', ']', '{', '}',
  '(', ')', '?', '"', '!', '@', '#', '%',
  '&', '/', '\\', ',', '>', '<', "'", ':',
  ';', '|', '_', '~', '`', '=', '+', '-'
].freeze

Class Method Summary collapse

Class Method Details

.generate(range = 8..16) ⇒ String

Generates a random password given a length range

Parameters:

  • range (Range) (defaults to: 8..16)

Returns:

  • (String) 


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# File 'lib/cognito_rails/password_generator.rb', line 19

def self.generate(range = 8..16)
  password_length = rand(range)
  numeric_count = rand(1..(password_length-3))

  lower_case_count = rand(1..(password_length-(numeric_count+2)))
  upper_case_count = rand(1..(password_length-(numeric_count + lower_case_count + 1)))
  special_count = password_length-(numeric_count + lower_case_count + upper_case_count)

  numeric_characters = numeric_count.times.map { NUMERIC.sample }
  lower_case_characters = lower_case_count.times.map { LOWER_CASE.sample }
  upper_case_characters = upper_case_count.times.map { UPPER_CASE.sample }
  special_characters = special_count.times.map { SPECIAL.sample }

  (numeric_characters + lower_case_characters + upper_case_characters + special_characters).shuffle.join
end