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<?php |
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declare(strict_types=1); |
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namespace Stadly\PasswordPolice\Rule; |
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use DateInterval; |
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use DateTimeImmutable; |
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use DateTimeInterface; |
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use StableSort\StableSort; |
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use Stadly\PasswordPolice\Constraint\Date; |
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use Carbon\CarbonInterval; |
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use Stadly\Date\Interval; |
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use Stadly\PasswordPolice\Password; |
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use Stadly\PasswordPolice\Policy; |
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use Stadly\PasswordPolice\Rule; |
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use Stadly\PasswordPolice\ValidationError; |
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final class IntervalChange implements Rule |
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{ |
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/** |
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* @var Date[] Rule constraints. |
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*/ |
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private $constraints; |
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/** |
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* @param DateInterval $min Minimum time since last password change. |
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* @param DateInterval|null $max Maximum time since last password change. |
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* @param int $weight Constraint weight. |
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*/ |
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public function __construct(DateInterval $min, ?DateInterval $max = null, int $weight = 1) |
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{ |
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$this->addConstraint($min, $max, $weight); |
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} |
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/** |
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* @param DateInterval $min Minimum time since last password change. |
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* @param DateInterval|null $max Maximum time since last password change. |
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* @param int $weight Constraint weight. |
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* @return $this |
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*/ |
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public function addConstraint(DateInterval $min, ?DateInterval $max = null, int $weight = 1): self |
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{ |
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$this->constraints[] = new Date($min, $max, $weight); |
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StableSort::usort($this->constraints, function (Date $a, Date $b): int { |
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return $b->getWeight() <=> $a->getWeight(); |
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}); |
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return $this; |
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} |
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/** |
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* Check whether a password is in compliance with the rule. |
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* |
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* @param Password|string $password Password to check. |
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* @param int|null $weight Don't consider constraints with lower weights. |
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* @return bool Whether the password is in compliance with the rule. |
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*/ |
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public function test($password, ?int $weight = 1): bool |
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{ |
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$date = $this->getDate($password); |
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$constraint = $this->getViolation($date, $weight); |
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return $constraint === null; |
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} |
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/** |
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* Validate that a password is in compliance with the rule. |
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* |
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* @param Password|string $password Password to validate. |
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* @return ValidationError|null Validation error describing why the password is not in compliance with the rule. |
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*/ |
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public function validate($password): ?ValidationError |
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{ |
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$date = $this->getDate($password); |
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$constraint = $this->getViolation($date); |
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if ($constraint !== null) { |
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assert($date !== null); |
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return new ValidationError( |
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$this->getMessage($constraint, $date), |
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$password, |
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$this, |
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$constraint->getWeight() |
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); |
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} |
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return null; |
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} |
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/** |
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* @param DateTimeInterface|null $date When the password was last changed. |
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* @param int|null $weight Don't consider constraints with lower weights. |
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* @return Date|null Constraint violated by the count. |
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*/ |
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private function getViolation(?DateTimeInterface $date, ?int $weight = null): ?Date |
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{ |
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if ($date === null) { |
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return null; |
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} |
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foreach ($this->constraints as $constraint) { |
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if ($weight !== null && $constraint->getWeight() < $weight) { |
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continue; |
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} |
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if (!$constraint->test($date)) { |
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return $constraint; |
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} |
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} |
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return null; |
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} |
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/** |
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* @param Password|string $password Password to check when was last changed. |
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* @return DateTimeInterface|null When the password was last changed. |
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*/ |
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private function getDate($password): ?DateTimeInterface |
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{ |
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if ($password instanceof Password) { |
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$formerPasswords = $password->getFormerPasswords(); |
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if ($formerPasswords !== []) { |
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return reset($formerPasswords)->getDate(); |
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} |
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} |
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return null; |
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} |
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/** |
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* @param Date $constraint Constraint that is violated. |
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* @param DateTimeInterface $date Date that violates the constraint. |
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* @return string Message explaining the violation. |
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*/ |
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private function getMessage(Date $constraint, DateTimeInterface $date): string |
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{ |
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$translator = Policy::getTranslator(); |
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$locale = $translator->getLocale(); |
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$min = CarbonInterval::instance($constraint->getMin()); |
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$min->locale($locale); |
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$minString = $min->forHumans(['join' => true]); |
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if ($constraint->getMax() === null) { |
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return $translator->trans( |
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'Must be at least %interval% between password changes.', |
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['%interval%' => $minString] |
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); |
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} |
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$max = CarbonInterval::instance($constraint->getMax()); |
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$max->locale($locale); |
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$maxString = $max->forHumans(['join' => true]); |
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if (0 === Interval::compare(new DateInterval('PT0S'), $constraint->getMin())) { |
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return $translator->trans( |
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'Must be at most %interval% between password changes.', |
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['%interval%' => $maxString] |
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); |
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} |
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if (Interval::compare($constraint->getMin(), $constraint->getMax()) === 0) { |
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return $translator->trans( |
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'Must be exactly %interval% between password changes.', |
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['%interval%' => $minString] |
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); |
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} |
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return $translator->trans( |
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'Must be between %min% and %max% between password changes.', |
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['%min%' => $minString, '%max%' => $maxString] |
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); |
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} |
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} |
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Stadly /
PasswordPolice
This check looks for parameters that have been defined for a function or method, but which are not used in the method body.