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<?php |
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/** |
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* Spiral Framework. |
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* |
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* @license MIT |
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* @author Anton Titov (Wolfy-J) |
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*/ |
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declare(strict_types=1); |
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namespace Spiral\Security\Rule; |
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use Spiral\Security\ActorInterface; |
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use Spiral\Security\RuleInterface; |
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use Spiral\Security\RulesInterface; |
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/** |
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* Provides ability to evaluate multiple sub rules using boolean joiner. |
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* |
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* Example: |
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* |
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* class AuthorOrModeratorRule extends BooleanRule |
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* { |
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* const BEHAVIOUR = self::AT_LEAST_ONE; |
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* const RULES = [AuthorRule::class, ModeratorRule::class]; |
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* } |
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*/ |
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abstract class CompositeRule implements RuleInterface |
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{ |
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protected const ALL = 'ALL'; |
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protected const AT_LEAST_ONE = 'ONE'; |
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/** How to process results on sub rules. */ |
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protected const BEHAVIOUR = self::ALL; |
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/** List of rules to be composited. */ |
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protected const RULES = []; |
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/** @var RulesInterface */ |
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private $repository = null; |
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/** |
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* @param RulesInterface $repository |
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*/ |
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public function __construct(RulesInterface $repository) |
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{ |
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$this->repository = $repository; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function allows(ActorInterface $actor, string $permission, array $context): bool |
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{ |
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$allowed = 0; |
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foreach (static::RULES as $rule) { |
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$rule = $this->repository->get($rule); |
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if ($rule->allows($actor, $permission, $context)) { |
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if (static::BEHAVIOUR == self::AT_LEAST_ONE) { |
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return true; |
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} |
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$allowed++; |
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} elseif (static::BEHAVIOUR == self::ALL) { |
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return false; |
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} |
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} |
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return $allowed === count(static::RULES); |
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} |
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} |
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spiral /
framework
