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<?php |
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/* For licensing terms, see /license.txt */ |
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namespace Chamilo\CoreBundle\Security\Authorization\Voter; |
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use Chamilo\CoreBundle\Entity\Course; |
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use Chamilo\CoreBundle\Entity\Manager\CourseManager; |
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use Chamilo\UserBundle\Entity\User; |
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use Doctrine\ORM\EntityManager; |
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use Doctrine\ORM\EntityManagerInterface; |
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use Symfony\Component\DependencyInjection\ContainerInterface; |
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use Symfony\Component\Security\Core\Authentication\Token\TokenInterface; |
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use Symfony\Component\Security\Core\Authorization\AuthorizationCheckerInterface; |
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use Symfony\Component\Security\Core\Authorization\Voter\Voter; |
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use Symfony\Component\Security\Core\User\UserInterface; |
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/** |
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* Class CourseVoter. |
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* |
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* @package Chamilo\CoreBundle\Security\Authorization\Voter |
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*/ |
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class CourseVoter extends Voter |
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{ |
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public const VIEW = 'VIEW'; |
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public const EDIT = 'EDIT'; |
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public const DELETE = 'DELETE'; |
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private $entityManager; |
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private $courseManager; |
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private $authorizationChecker; |
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private $container; |
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/** |
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* @param EntityManagerInterface $entityManager |
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* @param CourseManager $courseManager |
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* @param AuthorizationCheckerInterface $authorizationChecker |
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* @param ContainerInterface $container |
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*/ |
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public function __construct( |
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EntityManagerInterface $entityManager, |
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CourseManager $courseManager, |
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AuthorizationCheckerInterface $authorizationChecker, |
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ContainerInterface $container |
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) { |
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$this->entityManager = $entityManager; |
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$this->courseManager = $courseManager; |
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$this->authorizationChecker = $authorizationChecker; |
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$this->container = $container; |
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} |
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/** |
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* @return AuthorizationCheckerInterface |
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*/ |
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public function getAuthorizationChecker() |
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{ |
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return $this->authorizationChecker; |
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} |
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/** |
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* @return EntityManager |
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*/ |
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public function getEntityManager() |
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{ |
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return $this->entityManager; |
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} |
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/** |
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* @return CourseManager |
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*/ |
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public function getCourseManager() |
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{ |
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return $this->courseManager; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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protected function supports($attribute, $subject): bool |
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{ |
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$options = [ |
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self::VIEW, |
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self::EDIT, |
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self::DELETE, |
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]; |
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// if the attribute isn't one we support, return false |
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if (!in_array($attribute, $options)) { |
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return false; |
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} |
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// only vote on Post objects inside this voter |
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if (!$subject instanceof Course) { |
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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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protected function voteOnAttribute($attribute, $course, TokenInterface $token): bool |
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{ |
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/** @var User $user */ |
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$user = $token->getUser(); |
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// Anons can enter a course depending of the course visibility |
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/*if (!$user instanceof UserInterface) { |
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return false; |
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}*/ |
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$authChecker = $this->getAuthorizationChecker(); |
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// Admins have access to everything |
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if ($authChecker->isGranted('ROLE_ADMIN')) { |
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return true; |
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} |
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// Course is active? |
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/** @var Course $course */ |
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switch ($attribute) { |
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case self::VIEW: |
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// Course is hidden then is not visible for nobody expect admins. |
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if ($course->getVisibility() == Course::HIDDEN) { |
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return false; |
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} |
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// "Open to the world" no need to check if user is registered or if user exists. |
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// Course::OPEN_WORLD |
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if ($course->isPublic()) { |
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return true; |
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} |
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// User should be instance of UserInterface. |
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if (!$user instanceof UserInterface) { |
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return false; |
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} |
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// If user is logged in and is open platform, allow access. |
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if ($course->getVisibility() == Course::OPEN_PLATFORM) { |
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$user->addRole(ResourceNodeVoter::ROLE_CURRENT_COURSE_STUDENT); |
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if ($course->hasTeacher($user)) { |
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$user->addRole(ResourceNodeVoter::ROLE_CURRENT_COURSE_TEACHER); |
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} |
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$token->setUser($user); |
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return true; |
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} |
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// Course::REGISTERED |
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// User must be subscribed in the course no matter if is teacher/student |
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if ($course->hasUser($user)) { |
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$user->addRole(ResourceNodeVoter::ROLE_CURRENT_COURSE_STUDENT); |
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if ($course->hasTeacher($user)) { |
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$user->addRole(ResourceNodeVoter::ROLE_CURRENT_COURSE_TEACHER); |
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} |
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$token->setUser($user); |
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return true; |
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} |
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break; |
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case self::EDIT: |
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case self::DELETE: |
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// Only teacher can edit/delete stuff |
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if ($course->hasTeacher($user)) { |
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$user->addRole(ResourceNodeVoter::ROLE_CURRENT_COURSE_TEACHER); |
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$token->setUser($user); |
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return true; |
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} |
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break; |
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} |
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return false; |
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} |
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} |
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chamilo /
chamilo-lms
