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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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namespace Spiral\Security\Traits; |
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use Interop\Container\ContainerInterface; |
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use Spiral\Core\Exceptions\ScopeException; |
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use Spiral\Security\GuardInterface; |
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/** |
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* Embeds GuardInterface functionality into class and provides ability to isolate permissions |
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* using guard namespace. |
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*/ |
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trait GuardedTrait |
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{ |
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/** |
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* Instance specific guard instance. |
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* |
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* @see getGuard() |
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* @var GuardInterface|null |
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*/ |
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private $guard = null; |
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/** |
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* Set instance specific guard. |
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* |
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* @param GuardInterface $guard |
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*/ |
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public function setGuard(GuardInterface $guard) |
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{ |
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$this->guard = $guard; |
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} |
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/** |
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* @return GuardInterface |
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* |
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* @throws ScopeException |
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*/ |
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public function getGuard(): GuardInterface |
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{ |
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$container = $this->iocContainer(); |
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if (empty($container)) { |
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throw new ScopeException("Unable to create guard, no container is available"); |
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} |
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if (empty($this->guard)) { |
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$this->guard = $this->iocContainer()->get(GuardInterface::class); |
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} |
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return $this->guard; |
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} |
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/** |
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* @param string $permission |
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* @param array $context |
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* |
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* @return bool |
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*/ |
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protected function allows(string $permission, array $context = []): bool |
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{ |
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return $this->getGuard()->allows($this->resolvePermission($permission), $context); |
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} |
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/** |
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* @param string $permission |
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* @param array $context |
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* |
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* @return bool |
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*/ |
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protected function denies(string $permission, array $context = []): bool |
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{ |
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return !$this->allows($permission, $context); |
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} |
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/** |
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* Automatically prepend permission name with local RBAC namespace. |
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* |
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* @param string $permission |
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* |
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* @return string |
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*/ |
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protected function resolvePermission(string $permission): string |
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{ |
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if (defined('self::GUARD_NAMESPACE')) { |
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//Yay! Isolation |
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$permission = constant(get_called_class() . '::' . 'GUARD_NAMESPACE') . GuardInterface::NS_SEPARATOR . $permission; |
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} |
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return $permission; |
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} |
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/** |
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* @return ContainerInterface|null |
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*/ |
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abstract protected function iocContainer(); |
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} |
spiral /
components
