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<?php |
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declare(strict_types=1); |
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/** |
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* Saito - The Threaded Web Forum |
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* |
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* @copyright Copyright (c) the Saito Project Developers |
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* @link https://github.com/Schlaefer/Saito |
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* @license http://opensource.org/licenses/MIT |
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*/ |
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namespace Saito\User\Permission\Allowance; |
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class Role |
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{ |
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protected $subjects = []; |
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protected $objects = []; |
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protected $resource; |
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/** |
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* Constructor |
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* |
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* @param string $resource What is granted permission to |
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* @param string|array $subjects Who is granted permission |
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* @param string|array $objects Qualifier for permission resource |
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*/ |
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public function __construct($resource, $subjects, $objects = null) |
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{ |
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$subjects = is_array($subjects) ? $subjects : [$subjects]; |
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$objects = $objects ?: []; |
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$objects = is_array($objects) ? $objects : [$objects]; |
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$this->subjects = array_fill_keys($subjects, true); |
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$this->objects = array_fill_keys($objects, true); |
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$this->resource = $resource; |
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} |
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/** |
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* Check if allowed |
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* |
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* @param string $resource Resource-ID |
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* @param string|array $roles Subject |
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* @param string $object Object |
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* @return bool |
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*/ |
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public function check(string $resource, $roles, string $object = null): bool |
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{ |
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$roles = is_array($roles) ? $roles : [$roles]; |
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if ($this->resource !== $resource) { |
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return false; |
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} |
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$isRole = false; |
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foreach ($roles as $role) { |
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if (isset($this->subjects[$role])) { |
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$isRole = true; |
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break; |
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} |
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} |
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if (!$isRole) { |
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return false; |
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} |
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if (!empty($this->objects)) { |
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if (empty($object)) { |
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return false; |
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} |
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if (!isset($this->objects[$object])) { |
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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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