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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; |
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use Saito\App\Registry; |
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/** |
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* Resource Access Control |
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*/ |
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class ResourceAC |
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{ |
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/** @var array Roles as array_keys [<roleName> => true] */ |
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protected $asRole = []; |
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/** @var array Roles as array_keys [<roleName> => true] */ |
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protected $onRole = []; |
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protected $onOwn = false; |
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protected $everybody = false; |
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protected $locked = false; |
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/** |
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* Lock the permision and disallow further changes |
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* |
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* @return self |
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*/ |
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public function lock(): self |
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{ |
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$this->locked = true; |
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return $this; |
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} |
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/** |
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* Permission granted as role |
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* |
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* @param string $role role |
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* @return self |
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*/ |
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public function asRole(string $role): self |
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{ |
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if ($this->locked) { |
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$this->handleLocked(); |
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} |
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$this->asRole[$role] = true; |
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return $this; |
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} |
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/** |
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* Permission granted on role |
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* |
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* @param string $role role |
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* @return self |
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*/ |
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public function onRole(string $role): self |
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{ |
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if ($this->locked) { |
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$this->handleLocked(); |
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} |
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$this->onRole[$role] = true; |
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return $this; |
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} |
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/** |
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* Permissions granted on roles |
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* |
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* @param string ...$roles Roles |
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* @return self |
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*/ |
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public function onRoles(...$roles): self |
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{ |
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foreach ($roles as $role) { |
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$this->onRole($role); |
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} |
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return $this; |
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} |
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/** |
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* Permission granted on owner |
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* |
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* @return self |
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*/ |
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public function onOwn(): self |
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{ |
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if ($this->locked) { |
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$this->handleLocked(); |
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} |
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$this->onOwn = true; |
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return $this; |
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} |
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/** |
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* Permission granted for everybody |
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* |
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* @return self |
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*/ |
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public function asEverybody(): self |
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{ |
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if ($this->locked) { |
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$this->handleLocked(); |
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} |
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$this->everybody = true; |
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return $this; |
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} |
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/** |
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* Check permission against identity-provider |
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* |
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* @param ResourceAI $identity identity |
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* @return bool |
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*/ |
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public function check(ResourceAI $identity): bool |
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{ |
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if (!empty($this->onRole)) { |
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$role = $identity->getRole(); |
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if ($role === null || !isset($this->onRole[$role])) { |
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return false; |
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} |
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} |
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if ($this->everybody === true) { |
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return true; |
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} |
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if ($this->onOwn === true) { |
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$CU = $identity->getUser(); |
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$owner = $identity->getOwner(); |
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if ($CU !== null && $owner !== null && $CU->getId() === $owner) { |
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return true; |
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} |
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} |
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if (!empty($this->asRole)) { |
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$CU = $identity->getUser(); |
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if ($CU !== null) { |
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// @td Attach to CU |
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$roles = Registry::get('Permissions')->getRoles(); |
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$allRoles = $roles->get($CU->getRole()); |
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foreach ($allRoles as $role) { |
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if (isset($this->asRole[$role])) { |
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return true; |
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} |
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} |
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} |
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} |
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return false; |
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} |
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/** |
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* Handle access to locked permission config |
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* |
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* @return void |
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* @throws \RuntimeException |
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*/ |
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protected function handleLocked(): void |
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{ |
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throw new \RuntimeException('PermissionProvider is locked.', 1573820147); |
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} |
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} |
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Schlaefer /
Saito
