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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; |
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use Spiral\Core\ResolverInterface; |
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use Spiral\Security\Exceptions\RuleException; |
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/** |
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* Rule class provides ability to route check request to a specified method (by default "check") |
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* using resolver interface. As side effect check method will support method injections. |
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* |
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* Example: |
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* |
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* class MyRule extends Rule |
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* { |
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* public function allows($actor, $post) |
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* { |
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* return $post->author_id == $actor->id; |
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* } |
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* } |
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*/ |
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abstract class Rule implements RuleInterface |
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{ |
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/** |
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* Method to be used for checking. |
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*/ |
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const CHECK_METHOD = 'check'; |
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/** |
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* Set of aliases to be used for method injection. |
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* |
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* @var array |
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*/ |
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protected $aliases = [ |
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'user' => 'actor' |
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]; |
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/** |
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* @var ResolverInterface |
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*/ |
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protected $resolver = null; |
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/** |
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* @param ResolverInterface $resolver |
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*/ |
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public function __construct(ResolverInterface $resolver) |
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{ |
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$this->resolver = $resolver; |
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} |
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/** |
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* {@inheritdoc} |
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* |
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* @throws RuleException |
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*/ |
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public function allows(ActorInterface $actor, string $permission, array $context): bool |
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{ |
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$parameters = compact('actor', 'permission', 'context') + $context; |
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//Mounting aliases |
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foreach ($this->aliases as $target => $alias) { |
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$parameters[$target] = $parameters[$alias]; |
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} |
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$method = new \ReflectionMethod($this, static::CHECK_METHOD); |
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$method->setAccessible(true); |
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try { |
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return $method->invokeArgs($this, |
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$this->resolver->resolveArguments($method, $parameters)); |
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} catch (\Throwable $e) { |
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throw new RuleException( |
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'[' . get_class($this) . '] ' . $e->getMessage(), |
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$e->getCode(), |
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$e |
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); |
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} |
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} |
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} |
spiral /
components
