Class: PasswordIsStrongValidator

Inherits:
ActiveModel::EachValidator
  • Object
show all
Defined in:
app/validators/password_is_strong_validator.rb

Overview

Validates that

Constant Summary collapse

COMMON_PASSWORDS =

Known passwords that should NOT be allowed and should be considered weak.

%w{
  password pass root admin metasploit
  msf 123456 qwerty abc123 letmein monkey link182 demo
  changeme test1234 rapid7
}
SPECIAL_CHARS =

Special characters that are considered to strength passwords and are required once in a strong password.

%q{!@"#$%&'()*+,-./:;<=>?[\\]^_`{|}~ }

Instance Method Summary collapse

Instance Method Details

#validate_each(record, attribute, value) ⇒ Object

Validates that the attribute's value on record contains letters, numbers, and at least one special character without containing the record.username, any COMMON_PASSWORDS or repetition.



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# File 'app/validators/password_is_strong_validator.rb', line 19

def validate_each(record, attribute, value)
  return if value.blank?

  if is_simple?(value)
    record.errors[attribute] << "must contain letters, numbers, and at least one special character"
  end

  if contains_username?(record.username, value)
    record.errors[attribute] << "must not contain the username"
  end

  if is_common_password?(value)
    record.errors[attribute] << "must not be a common password"
  end

  if contains_repetition?(value)
    record.errors[attribute] << "must not be a predictable sequence of characters"
  end
end