Chamilo\CoreBundle\Security\Authorization\Voter\ResourceNodeVoter::voteOnAttribute()

Complexity

Conditions	25
Paths	120

Size

Total Lines	163
Code Lines	78

Duplication

Lines	0
Ratio	0 %

Importance

Changes

0

<?php
    protected function voteOnAttribute($attribute, $resourceNode, TokenInterface $token): bool
    {
        $user = $token->getUser();
        // Make sure there is a user object (i.e. that the user is logged in)
        if (!$user instanceof UserInterface) {
            return false;
        }

        // Checking admin roles
        $authChecker = $this->container->get('security.authorization_checker');

        // Admins have access to everything
        if ($authChecker->isGranted('ROLE_ADMIN')) {
            return true;
        }

        // Check if I'm the owner
        $creator = $resourceNode->getCreator();

        if ($creator instanceof UserInterface &&
            $user->getUsername() === $creator->getUsername()) {

            return true;
        }

        // Checking possible links connected to this resource
        $request = $this->container->get('request_stack')->getCurrentRequest();

        $courseCode = $request->get('course');
        $sessionId = $request->get('session');

        $links = $resourceNode->getLinks();
        $linkFound = false;

        /** @var ResourceLink $link */
        foreach ($links as $link) {
            $linkUser = $link->getUser();
            $linkCourse = $link->getCourse();
            $linkSession = $link->getSession();
            $linkUserGroup = $link->getUserGroup();

            // Check if resource was sent to the current user
            if ($linkUser instanceof UserInterface &&
                $linkUser->getUsername() === $creator->getUsername()
            ) {
                $linkFound = true;
                break;
            }

            // @todo Check if resource was sent to a usergroup
            // @todo Check if resource was sent to a group inside a course

            // Check if resource was sent to a course inside a session
            if ($linkSession instanceof Session && !empty($sessionId) &&
                $linkCourse instanceof Course && !empty($courseCode)
            ) {
                $session = $this->container->get('chamilo_core.entity.manager.session_manager')->find($sessionId);
                $course = $this->container->get('chamilo_core.entity.manager.course_manager')->findOneByCode($courseCode);
                if ($session instanceof Session &&
                    $course instanceof Course &&
                    $linkCourse->getCode() === $course->getCode() &&
                    $linkSession->getId() === $session->getId()
                ) {
                    $linkFound = true;
                    break;
                }
            }

            // Check if resource was sent to a course
            if ($linkCourse instanceof Course && !empty($courseCode)) {
                $course = $this->container->get('chamilo_core.manager.course')->findOneByCode($courseCode);
                if ($course instanceof Course &&
                    $linkCourse->getCode() === $course->getCode()
                ) {
                    $linkFound = true;
                    break;
                }
            }
        }

        // No link was found!
        if ($linkFound === false) {
            return false;
        }

        // Getting rights from the link
        $rightFromResourceLink = $link->getRights();

The variable $link seems to be defined by a foreach iteration on line 140. Are you sure the iterator is never empty, otherwise this variable is not defined?

        if ($rightFromResourceLink->count()) {
            // Taken rights from the link
            $rights = $rightFromResourceLink;
        } else {
            // Taken the rights from the default tool
            $rights = $link->getResourceNode()->getTool()->getToolResourceRights();
        }

        // Asked mask
        $mask = new MaskBuilder();
        $mask->add($attribute);
        $askedMask = $mask->get();

        // Check all the right this link has.
        $roles = [];
        foreach ($rights as $right) {
            $roles[$right->getMask()] = $right->getRole();
        }

        // Setting zend simple ACL
        $acl = new Acl();

        // Creating roles
        // @todo move this in a service
        $userRole = new Role('ROLE_USER');
        $teacher = new Role(self::ROLE_CURRENT_COURSE_TEACHER);
        $student = new Role(self::ROLE_CURRENT_COURSE_STUDENT);
        $superAdmin = new Role('ROLE_SUPER_ADMIN');
        $admin = new Role('ROLE_ADMIN');

        // Adding roles to the ACL
        // User role
        $acl->addRole($userRole);
        // Adds role student
        $acl->addRole($student);
        // Adds teacher role, inherit student role
        $acl->addRole($teacher, $student);
        $acl->addRole($superAdmin);
        $acl->addRole($admin);

        // Adds a resource
        $resource = new Resource($link);
        $acl->addResource($resource);

        // Role and permissions settings
        // Students can view

        // Student can just view (read)
        $acl->allow($student, null, self::getReaderMask());

        // Teacher can view/edit
        $acl->allow(
            $teacher,
            null,
            [
                self::getReaderMask(),
                self::getEditorMask(),
            ]
        );

        // Admin can do everything
        $acl->allow($admin);
        $acl->allow($superAdmin);

        foreach ($user->getRoles() as $role) {
            if ($acl->isAllowed($role, $resource, $askedMask)) {

                //dump('passed');
                return true;
            }
        }

        //dump('not allowed to '.$attribute);

        return false;
    }