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<?php |
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/** |
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* LinkChecker.php |
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* |
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* @copyright More in license.md |
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* @license https://www.ipublikuj.eu |
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* @author Adam Kadlec <[email protected]> |
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* @package iPublikuj:Permissions! |
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* @subpackage Access |
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* @since 1.0.0 |
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* |
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* @date 13.10.14 |
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*/ |
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declare(strict_types = 1); |
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namespace IPub\Permissions\Access; |
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use Nette; |
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use Nette\Application; |
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use Nette\Application\UI; |
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/** |
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* Create link access checker |
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* |
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* @package iPublikuj:Permissions! |
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* @subpackage Access |
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* |
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* @author Adam Kadlec <[email protected]> |
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*/ |
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final class LinkChecker implements IChecker |
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{ |
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/** |
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* Implement nette smart magic |
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*/ |
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use Nette\SmartObject; |
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/** |
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* @var Application\IPresenterFactory |
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*/ |
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private $presenterFactory; |
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/** |
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* @var Application\Application |
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*/ |
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private $application; |
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/** |
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* @var ICheckRequirements |
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*/ |
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private $requirementsChecker; |
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/** |
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* @param Application\IPresenterFactory $presenterFactory |
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* @param Application\Application $application |
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* @param ICheckRequirements $requirementsChecker |
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*/ |
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function __construct( |
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Application\IPresenterFactory $presenterFactory, |
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Application\Application $application, |
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ICheckRequirements $requirementsChecker |
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) { |
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$this->presenterFactory = $presenterFactory; |
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$this->application = $application; |
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// Permission annotation access checker |
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$this->requirementsChecker = $requirementsChecker; |
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} |
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/** |
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* Check whenever current user is allowed to use given link |
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* |
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* @param string $element etc "this", ":Admin:Show:default" |
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* |
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* @return bool |
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* |
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* @throws Application\InvalidPresenterException |
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* @throws \ReflectionException |
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*/ |
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public function isAllowed($element) : bool |
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{ |
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list($presenter, $action) = $this->formatLink($element); |
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$presenterReflection = new UI\ComponentReflection($this->presenterFactory->getPresenterClass($presenter)); |
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if (!$this->requirementsChecker->isAllowed($presenterReflection)) { |
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return FALSE; |
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} |
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$actionKey = UI\Presenter::ACTION_KEY . ucfirst($action); |
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if ($presenterReflection->hasMethod($actionKey) && !$this->requirementsChecker->isAllowed($presenterReflection->getMethod($actionKey))) { |
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return FALSE; |
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} |
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return TRUE; |
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} |
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/** |
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* Format link to format array('module:submodule:presenter', 'action') |
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* |
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* @param string $destination |
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* |
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* @return array(presenter, action) |
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*/ |
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public function formatLink(string $destination) : array |
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{ |
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if ($destination === 'this') { |
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return [$this->application->getPresenter()->getName(), $this->application->getPresenter()->getAction()]; |
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} |
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$parts = explode(':', $destination); |
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if ($destination[0] != ':') { |
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$current = explode(':', $this->application->getPresenter()->getName()); |
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if (strpos($destination, ':') !== FALSE) { |
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// Remove presenter |
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array_pop($current); |
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} |
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$parts = array_merge($current, $parts); |
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} else { |
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// Remove empty |
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array_shift($parts); |
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} |
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if ($destination[strlen($destination) - 1] == ':') { |
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// Remove empty |
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array_pop($parts); |
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$action = UI\Presenter::DEFAULT_ACTION; |
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} else { |
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$action = array_pop($parts); |
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} |
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return [implode(':', $parts), $action]; |
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} |
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} |
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Adding explicit visibility (
private
,protected
, orpublic
) is generally recommend to communicate to other developers how, and from where this method is intended to be used.