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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; |
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use Psr\Container\ContainerInterface; |
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use Spiral\Core\Exception\Container\ContainerException; |
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use Spiral\Core\Exception\ScopeException; |
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use Spiral\Security\Exception\GuardException; |
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/** |
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* Resolves Actor dynamically, using current active IoC scope. |
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*/ |
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final class GuardScope implements GuardInterface |
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{ |
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/** @var ActorInterface|null */ |
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private $actor = null; |
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/** @var ContainerInterface */ |
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private $container; |
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/** @var PermissionsInterface */ |
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private $permissions = null; |
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/**@var array */ |
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private $roles = []; |
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/** |
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* @param PermissionsInterface $permissions |
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* @param ContainerInterface $actorScope |
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* @param array $roles Session specific roles. |
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*/ |
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public function __construct( |
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PermissionsInterface $permissions, |
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ContainerInterface $actorScope, |
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array $roles = [] |
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) { |
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$this->roles = $roles; |
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$this->container = $actorScope; |
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$this->permissions = $permissions; |
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} |
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/** |
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* {@inheritdoc} |
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* |
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* @throws ScopeException |
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*/ |
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public function allows(string $permission, array $context = []): bool |
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{ |
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$allows = false; |
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foreach ($this->getRoles() as $role) { |
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if (!$this->permissions->hasRole($role)) { |
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continue; |
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} |
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$rule = $this->permissions->getRule($role, $permission); |
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//Checking our rule |
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$allows = $allows || $rule->allows($this->getActor(), $permission, $context); |
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} |
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return $allows; |
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} |
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/** |
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* Currently active actor/session roles. |
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* |
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* @return array |
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* |
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* @throws GuardException |
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* @throws ScopeException |
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*/ |
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public function getRoles(): array |
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{ |
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return array_merge($this->roles, $this->getActor()->getRoles()); |
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} |
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/** |
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* Create instance of guard with session specific roles (existed roles will be droppped). |
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* |
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* @param array $roles |
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* @return GuardScope |
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*/ |
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public function withRoles(array $roles): GuardScope |
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{ |
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$guard = clone $this; |
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$guard->roles = $roles; |
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return $guard; |
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} |
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/** |
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* {@inheritdoc} |
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* |
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* @throws ScopeException |
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*/ |
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public function getActor(): ActorInterface |
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{ |
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if (!is_null($this->actor)) { |
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return $this->actor; |
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} |
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try { |
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return $this->container->get(ActorInterface::class); |
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} catch (ContainerException $e) { |
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throw new ScopeException("Unable to resolve Actor from the scope", $e->getCode(), $e); |
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} |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function withActor(ActorInterface $actor): GuardInterface |
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{ |
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$guard = clone $this; |
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$guard->actor = $actor; |
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return $guard; |
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} |
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} |
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spiral /
framework
