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<?php |
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namespace Chubbyphp\Security\Authorization; |
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use Chubbyphp\Model\ModelInterface; |
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use Chubbyphp\Security\UserInterface; |
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final class RoleAuthorization implements AuthorizationInterface |
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{ |
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/** |
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* @var array |
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*/ |
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private $roleHierarchy; |
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/** |
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* @var array |
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*/ |
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private $cachedResolvedHierarchies; |
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/** |
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* @param array $roleHierarchy |
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*/ |
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public function __construct(array $roleHierarchy = []) |
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{ |
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$this->roleHierarchy = $roleHierarchy; |
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} |
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/** |
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* @param UserInterface $user |
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* @param mixed $attributes |
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* @param ModelInterface|null $model |
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* |
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* @return bool |
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*/ |
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public function isGranted(UserInterface $user, $attributes, ModelInterface $model = null): bool |
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{ |
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$owningRoles = $this->getOwningRoles($user); |
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$neededRoles = $this->getNeededRoles($attributes); |
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return $this->checkRoles($owningRoles, $neededRoles); |
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} |
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/** |
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* @param UserInterface $user |
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* |
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* @return array |
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*/ |
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private function getOwningRoles(UserInterface $user): array |
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{ |
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$roles = $user->getRoles(); |
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$rolesHash = serialize($roles); |
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if (!isset($this->cachedResolvedHierarchies[$rolesHash])) { |
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$this->cachedResolvedHierarchies[$rolesHash] = $this->resolveRoleHierarchy($user->getRoles()); |
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} |
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return $this->cachedResolvedHierarchies[$rolesHash]; |
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} |
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/** |
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* @param array $roles |
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* @param array $alreadySolvedRoles |
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* |
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* @return array |
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*/ |
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private function resolveRoleHierarchy(array $roles, array $alreadySolvedRoles = []): array |
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{ |
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foreach ($roles as $role) { |
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if (isset($this->roleHierarchy[$role])) { |
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if (in_array($role, $alreadySolvedRoles, true)) { |
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continue; |
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} |
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$alreadySolvedRoles[] = $role; |
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$resolveRoles = $this->resolveRoleHierarchy($this->roleHierarchy[$role], $alreadySolvedRoles); |
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$roles = array_merge($roles, $resolveRoles); |
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} |
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} |
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return array_unique($roles); |
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} |
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/** |
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* @param mixed $attributes |
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* |
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* @return array |
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*/ |
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private function getNeededRoles($attributes): array |
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{ |
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return is_scalar($attributes) ? [$attributes] : $attributes; |
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} |
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/** |
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* @param array $owningRoles |
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* @param array $neededRoles |
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* |
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* @return bool |
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*/ |
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private function checkRoles(array $owningRoles, array $neededRoles): bool |
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{ |
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foreach ($neededRoles as $neededRole) { |
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if (!in_array($neededRole, $owningRoles, true)) { |
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return false; |
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} |
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} |
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return true; |
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} |
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} |
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chubbyphp /
chubbyphp-security
