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<?php |
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declare(strict_types=1); |
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namespace Ecodev\Felix\Acl; |
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use Doctrine\Common\Util\ClassUtils; |
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use Ecodev\Felix\Model\CurrentUser; |
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use Ecodev\Felix\Model\Model; |
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class Acl extends \Laminas\Permissions\Acl\Acl |
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{ |
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/** |
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* The message explaining the last denial |
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* |
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* @var null|string |
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*/ |
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private $message; |
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/** |
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* @var null|string |
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*/ |
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private $reason; |
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protected function createModelResource(string $class): ModelResource |
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{ |
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$resource = new ModelResource($class); |
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$this->addResource($resource); |
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return $resource; |
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} |
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/** |
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* Return whether the current user is allowed to do something |
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* |
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* This should be the main method to do all ACL checks. |
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*/ |
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public function isCurrentUserAllowed(Model $model, string $privilege): bool |
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{ |
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$resource = new ModelResource($this->getClass($model), $model); |
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$role = $this->getCurrentRole(); |
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$this->reason = null; |
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$isAllowed = $this->isAllowed($role, $resource, $privilege); |
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$this->message = $this->buildMessage($resource, $privilege, $role, $isAllowed); |
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return $isAllowed; |
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} |
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/** |
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* Set the reason for rejection that will be shown to end-user |
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* |
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* This method always return false for usage convenience and should be used by all assertions, |
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* instead of only return false themselves. |
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* |
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* @return false |
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*/ |
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public function reject(string $reason): bool |
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{ |
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$this->reason = $reason; |
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return false; |
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} |
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private function getClass(Model $resource): string |
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{ |
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return ClassUtils::getRealClass(get_class($resource)); |
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} |
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private function getCurrentRole(): string |
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{ |
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$user = CurrentUser::get(); |
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if (!$user) { |
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return 'anonymous'; |
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} |
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return $user->getRole(); |
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} |
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private function buildMessage(ModelResource $resource, ?string $privilege, string $role, bool $isAllowed): ?string |
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{ |
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if ($isAllowed) { |
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return null; |
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} |
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$resource = $resource->getName(); |
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$user = CurrentUser::get(); |
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$userName = $user ? 'User "' . $user->getLogin() . '"' : 'Non-logged user'; |
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$privilege = $privilege === null ? 'NULL' : $privilege; |
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$message = "$userName with role $role is not allowed on resource \"$resource\" with privilege \"$privilege\""; |
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if ($this->reason) { |
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$message .= ' because ' . $this->reason; |
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} |
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return $message; |
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} |
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/** |
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* Returns the message explaining the last denial, if any |
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*/ |
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public function getLastDenialMessage(): ?string |
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{ |
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return $this->message; |
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} |
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} |
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Ecodev /
felix
