class Digit_Placement_Constraint in Password Policy 5

Hierarchy

• class \Constraint
  • class \Character_Constraint
    • class \Digit_Placement_Constraint

File

constraints/constraint_digit_placement.php, line 13

class Digit_Placement_Constraint extends Character_Constraint {
  function validate($plaintext_password, $user = NULL) {
    $number_of_digits = 0;
    for ($i = 0; $i < 10; $i++) {
      $number_of_digits += substr_count($plaintext_password, "{$i}");

      // help string count by sending it a string instead of an int
    }
    if ($number_of_digits < (int) $this->minimumConstraintValue) {
      return preg_match("/(^\\d+)|(\\d+\$)/", $plaintext_password) != 1;
    }
    return TRUE;
  }
  function getDescription() {
    return t('Minimum number of digits in the password to allow a digit in the first or last position in the password (e.g. 2abcdefg and abcdefg4 are unacceptable passwords, while 2qpcxrm3 and 99qpcxrm are allowed passwords when 2 is set here).');
  }
  function getValidationErrorMessage() {
    return t('Password must have a minimum of %numChars %digits to place any digits at the start or end of the password.', array(
      '%numChars' => $this->minimumConstraintValue,
      '%digits' => format_plural($this->minimumConstraintValue, t('digit'), t('digits')),
    ));
  }

}

Members

Name	Modifiers	Type	Description	Overrides
Character_Constraint::_charIsValid		function		4
Constraint::$description		property
Constraint::$minimumConstraintValue		property
Constraint::$name		property
Constraint::Constraint		function
Constraint::getMinimumConstraintValue		function
Constraint::getName		function
Constraint::setDescription		function
Constraint::setName		function
Digit_Placement_Constraint::getDescription		function	Overrides Character_Constraint::getDescription
Digit_Placement_Constraint::getValidationErrorMessage		function	Overrides Character_Constraint::getValidationErrorMessage
Digit_Placement_Constraint::validate		function	Overrides Character_Constraint::validate