2015-03-28 13:27:45 +00:00
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<?php
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namespace Wallabag\CoreBundle\ParamConverter;
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use Sensio\Bundle\FrameworkExtraBundle\Request\ParamConverter\ParamConverterInterface;
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use Doctrine\Common\Persistence\ManagerRegistry;
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use Sensio\Bundle\FrameworkExtraBundle\Configuration\ParamConverter;
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use Symfony\Component\HttpFoundation\Request;
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use Symfony\Component\HttpKernel\Exception\NotFoundHttpException;
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2015-10-02 12:51:41 +00:00
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use Wallabag\UserBundle\Entity\User;
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2015-03-28 13:27:45 +00:00
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/**
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* ParamConverter used in the RSS controller to retrieve the right user according to
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* username & token given in the url.
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*
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* @see http://stfalcon.com/en/blog/post/symfony2-custom-paramconverter
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*/
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class UsernameRssTokenConverter implements ParamConverterInterface
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{
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private $registry;
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/**
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* @param ManagerRegistry $registry Manager registry
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*/
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public function __construct(ManagerRegistry $registry = null)
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{
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$this->registry = $registry;
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}
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/**
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* {@inheritdoc}
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*
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* Check, if object supported by our converter
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*/
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public function supports(ParamConverter $configuration)
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{
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// If there is no manager, this means that only Doctrine DBAL is configured
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// In this case we can do nothing and just return
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if (null === $this->registry || !count($this->registry->getManagers())) {
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return false;
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}
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// Check, if option class was set in configuration
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if (null === $configuration->getClass()) {
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return false;
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}
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// Get actual entity manager for class
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$em = $this->registry->getManagerForClass($configuration->getClass());
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// Check, if class name is what we need
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2015-10-02 12:51:41 +00:00
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if ('Wallabag\UserBundle\Entity\User' !== $em->getClassMetadata($configuration->getClass())->getName()) {
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2015-03-28 13:27:45 +00:00
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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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* {@inheritdoc}
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*
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* Applies converting
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*
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* @throws \InvalidArgumentException When route attributes are missing
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* @throws NotFoundHttpException When object not found
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*/
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public function apply(Request $request, ParamConverter $configuration)
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{
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$username = $request->attributes->get('username');
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2015-08-20 05:53:55 +00:00
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$rssToken = $request->attributes->get('token');
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2015-03-28 13:27:45 +00:00
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// Check, if route attributes exists
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if (null === $username || null === $rssToken) {
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throw new \InvalidArgumentException('Route attribute is missing');
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}
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// Get actual entity manager for class
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$em = $this->registry->getManagerForClass($configuration->getClass());
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$userRepository = $em->getRepository($configuration->getClass());
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// Try to find user by its username and config rss_token
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$user = $userRepository->findOneByUsernameAndRsstoken($username, $rssToken);
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if (null === $user || !($user instanceof User)) {
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throw new NotFoundHttpException(sprintf('%s not found.', $configuration->getClass()));
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}
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// Map found user to the route's parameter
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$request->attributes->set($configuration->getName(), $user);
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}
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}
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