ResourceNodeVoter::isBlogResource() - Code Metrics - Inspection of "Dropbox: Re-enable blogs tool - refs #6823" - chamilo/chamilo-lms - Measure and Improve Code Quality continuously with Scrutinizer

Passed

Push — master ( e9e739...1e7f19 )

by Yannick

created 2025-09-30 23:58 UTC

ResourceNodeVoter::isBlogResource() B

↳ Parent: ResourceNodeVoter

Complexity

Conditions	7
Paths	5

Size

Total Lines	19
Code Lines	11

Duplication

Lines	0
Ratio	0 %

Importance

Changes

Metric	Value
cc	7
eloc	11
nc	5
nop	1
dl	0
loc	19
rs	8.8333
c	0
b	0
f	0

<?php

declare(strict_types=1);

/* For licensing terms, see /license.txt */

namespace Chamilo\CoreBundle\Security\Authorization\Voter;

use Chamilo\CoreBundle\Entity\Course;
use Chamilo\CoreBundle\Entity\ResourceLink;
use Chamilo\CoreBundle\Entity\ResourceNode;
use Chamilo\CoreBundle\Entity\ResourceRight;
use Chamilo\CoreBundle\Entity\Session;
use Chamilo\CoreBundle\Settings\SettingsManager;
use Chamilo\CourseBundle\Entity\CDocument;
use Chamilo\CourseBundle\Entity\CGroup;
use Chamilo\CourseBundle\Entity\CQuizQuestion;
use Chamilo\CourseBundle\Entity\CQuizRelQuestion;
use Chamilo\CourseBundle\Entity\CStudentPublicationRelDocument;
use ChamiloSession;
use Doctrine\ORM\EntityManagerInterface;
use Laminas\Permissions\Acl\Acl;
use Laminas\Permissions\Acl\Resource\GenericResource;
use Laminas\Permissions\Acl\Role\GenericRole;
use Symfony\Bundle\SecurityBundle\Security;
use Symfony\Component\HttpFoundation\RequestStack;
use Symfony\Component\Security\Acl\Permission\MaskBuilder;
use Symfony\Component\Security\Core\Authentication\Token\NullToken;
use Symfony\Component\Security\Core\Authentication\Token\TokenInterface;
use Symfony\Component\Security\Core\Authorization\Voter\Voter;
use Symfony\Component\Security\Core\User\UserInterface;

/**
 * @extends Voter<'CREATE'|'VIEW'|'EDIT'|'DELETE'|'EXPORT', ResourceNode>
 */
class ResourceNodeVoter extends Voter
{
    public const VIEW = 'VIEW';
    public const CREATE = 'CREATE';
    public const EDIT = 'EDIT';
    public const DELETE = 'DELETE';
    public const EXPORT = 'EXPORT';
    public const ROLE_CURRENT_COURSE_TEACHER = 'ROLE_CURRENT_COURSE_TEACHER';
    public const ROLE_CURRENT_COURSE_STUDENT = 'ROLE_CURRENT_COURSE_STUDENT';
    public const ROLE_CURRENT_COURSE_GROUP_TEACHER = 'ROLE_CURRENT_COURSE_GROUP_TEACHER';
    public const ROLE_CURRENT_COURSE_GROUP_STUDENT = 'ROLE_CURRENT_COURSE_GROUP_STUDENT';
    public const ROLE_CURRENT_COURSE_SESSION_TEACHER = 'ROLE_CURRENT_COURSE_SESSION_TEACHER';
    public const ROLE_CURRENT_COURSE_SESSION_STUDENT = 'ROLE_CURRENT_COURSE_SESSION_STUDENT';

    public function __construct(
        private Security $security,
        private RequestStack $requestStack,
        private SettingsManager $settingsManager,
        private EntityManagerInterface $entityManager
    ) {}

    public static function getReaderMask(): int
    {
        $builder = (new MaskBuilder())
            ->add(self::VIEW)
        ;

        return $builder->get();
    }

    public static function getEditorMask(): int
    {
        $builder = (new MaskBuilder())
            ->add(self::VIEW)
            ->add(self::EDIT)
        ;

        return $builder->get();
    }

    protected function supports(string $attribute, $subject): bool
    {
        $options = [
            self::VIEW,
            self::CREATE,
            self::EDIT,
            self::DELETE,
            self::EXPORT,
        ];

        // if the attribute isn't one we support, return false
        if (!\in_array($attribute, $options, true)) {
            return false;
        }

        // only vote on ResourceNode objects inside this voter
        return $subject instanceof ResourceNode;
    }

    protected function voteOnAttribute(string $attribute, $subject, TokenInterface $token): bool
    {
        // Make sure there is a user object (i.e. that the user is logged in)
        // Update. No, anons can enter a node depending in the visibility.
        // $user = $token->getUser();
        /*if (!$user instanceof UserInterface) {
            return false;
        }*/
        /** @var ResourceNode $resourceNode */
        $resourceNode = $subject;
        $resourceTypeName = $resourceNode->getResourceType()->getTitle();

        // Illustrations are always visible, nothing to check.
        if ('illustrations' === $resourceTypeName) {
            return true;
        }

        // Courses are also a Resource but courses are protected using the CourseVoter, not by ResourceNodeVoter.
        if ('courses' === $resourceTypeName) {
            return true;
        }

        // Checking admin role.
        if ($this->security->isGranted('ROLE_ADMIN')) {
            return true;
        }

        if (self::VIEW === $attribute && $this->isBlogResource($resourceNode)) {
            return true;
        }

        // @todo
        switch ($attribute) {
            case self::VIEW:
                if ($resourceNode->isPublic()) {
                    return true;
                }

                // Exception: allow access to hotspot question images if student can view the quiz
                $questionRepo = $this->entityManager->getRepository(CQuizQuestion::class);
                $question = $questionRepo->findOneBy(['resourceNode' => $resourceNode]);
                if ($question) {
                    // Check if it's a Hotspot-type question
                    if (\in_array($question->getType(), [6, 7, 8, 20], true)) { // HOT_SPOT, HOT_SPOT_ORDER, HOT_SPOT_DELINEATION, ANNOTATION
                        $rel = $this->entityManager
                            ->getRepository(CQuizRelQuestion::class)
                            ->findOneBy(['question' => $question])
                        ;

                        if ($rel && $rel->getQuiz()) {
                            $quiz = $rel->getQuiz();
                            // Allow if the user has VIEW rights on the quiz
                            if ($this->security->isGranted('VIEW', $quiz)) {
                                return true;
                            }
                        }
                    }
                }

                // no break
            case self::EDIT:
                break;
        }

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

        if ($creator instanceof UserInterface
            && $user instanceof UserInterface
            && $user->getUserIdentifier() === $creator->getUserIdentifier()
        ) {
            return true;
        }

        $resourceTypeTitle = $resourceNode->getResourceType()->getTitle();
        if (
            \in_array($resourceTypeTitle, [
                'student_publications',
                'student_publications_corrections',
                'student_publications_comments',
            ], true)
        ) {
            if ($creator instanceof UserInterface
                && $user instanceof UserInterface
                && $user->getUserIdentifier() === $creator->getUserIdentifier()
            ) {
                return true;
            }

            if ($this->security->isGranted('ROLE_CURRENT_COURSE_STUDENT')
                || $this->security->isGranted('ROLE_CURRENT_COURSE_TEACHER')
                || $this->security->isGranted('ROLE_CURRENT_COURSE_SESSION_STUDENT')
                || $this->security->isGranted('ROLE_CURRENT_COURSE_SESSION_TEACHER')
            ) {
                return true;
            }
        }

        if ('files' === $resourceNode->getResourceType()->getTitle()) {
            $document = $this->entityManager
                ->getRepository(CDocument::class)
                ->findOneBy(['resourceNode' => $resourceNode])
            ;

            if ($document) {
                $exists = $this->entityManager
                    ->getRepository(CStudentPublicationRelDocument::class)
                    ->findOneBy(['document' => $document])
                ;

                if (null !== $exists) {
                    return true;
                }
            }
        }

        // Checking links connected to this resource.
        $request = $this->requestStack->getCurrentRequest();

        $courseId = (int) $request->get('cid');
        $sessionId = (int) $request->get('sid');
        $groupId = (int) $request->get('gid');

        // Try Session values.
        if (empty($courseId) && $request->hasSession()) {
            $courseId = (int) $request->getSession()->get('cid');
            $sessionId = (int) $request->getSession()->get('sid');
            $groupId = (int) $request->getSession()->get('gid');

            if (0 === $courseId) {
                $courseId = (int) ChamiloSession::read('cid');
                $sessionId = (int) ChamiloSession::read('sid');
                $groupId = (int) ChamiloSession::read('gid');
            }
        }

        $links = $resourceNode->getResourceLinks();
        $firstLink = $resourceNode->getResourceLinks()->first();
        if ($resourceNode->hasResourceFile() && $firstLink) {
            if (0 === $courseId && $firstLink->getCourse() instanceof Course) {
                $courseId = (int) $firstLink->getCourse()->getId();
            }
            if (0 === $sessionId && $firstLink->getSession() instanceof Session) {
                $sessionId = (int) $firstLink->getSession()->getId();
            }
            if (0 === $groupId && $firstLink->getGroup() instanceof CGroup) {
                $groupId = (int) $firstLink->getGroup()->getIid();
            }
            if ($firstLink->getUser() instanceof UserInterface
                && 'true' === $this->settingsManager->getSetting('security.access_to_personal_file_for_all')
            ) {
                return true;
            }
            if ($firstLink->getCourse() instanceof Course
                && $firstLink->getCourse()->isPublic()
            ) {
                return true;
            }
        }

        $linkFound = 0;
        $link = null;

        // @todo implement view, edit, delete.
        foreach ($links as $link) {
            // Check if resource was sent to the current user.
            $linkUser = $link->getUser();
            if ($linkUser instanceof UserInterface
                && $user instanceof UserInterface
                && $linkUser->getUserIdentifier() === $user->getUserIdentifier()) {
                $linkFound = 2;

                break;
            }

            $linkCourse = $link->getCourse();

            // Course found, but courseId not set, skip course checking.
            if ($linkCourse instanceof Course && empty($courseId)) {
                continue;
            }

            $linkSession = $link->getSession();
            $linkGroup = $link->getGroup();
            // $linkUserGroup = $link->getUserGroup();

            // @todo Check if resource was sent to a usergroup

            // Check if resource was sent inside a group in a course session.
            if (null === $linkUser
                && $linkGroup instanceof CGroup && !empty($groupId)
                && $linkSession instanceof Session && !empty($sessionId)
                && $linkCourse instanceof Course
                && ($linkCourse->getId() === $courseId
                && $linkSession->getId() === $sessionId
                && $linkGroup->getIid() === $groupId)
            ) {
                $linkFound = 3;

                break;
            }

            // Check if resource was sent inside a group in a base course.
            if (null === $linkUser
                && empty($sessionId)
                && $linkGroup instanceof CGroup && !empty($groupId)
                && $linkCourse instanceof Course && ($linkCourse->getId() === $courseId
                && $linkGroup->getIid() === $groupId)
            ) {
                $linkFound = 4;

                break;
            }

            // Check if resource was sent to a course inside a session.
            if (null === $linkUser
                && $linkSession instanceof Session && !empty($sessionId)
                && $linkCourse instanceof Course && ($linkCourse->getId() === $courseId
                && $linkSession->getId() === $sessionId)
            ) {
                $linkFound = 5;

                break;
            }

            // Check if resource was sent to a course.
            if (null === $linkUser
                && $linkCourse instanceof Course && $linkCourse->getId() === $courseId
            ) {
                $linkFound = 6;

                break;
            }

            /*if (ResourceLink::VISIBILITY_PUBLISHED === $link->getVisibility()) {
             * $linkFound = true;
             * break;
             * }*/
        }

        // No link was found.
        if (0 === $linkFound) {
            return false;
        }

        // Getting rights from the link
        $rightsFromResourceLink = $link->getResourceRights();
        $allowAnonsToView = false;

        $rights = [];
        if ($rightsFromResourceLink->count() > 0) {
            // Taken rights from the link.
            $rights = $rightsFromResourceLink;
        }

        // Taken the rights from context (request + user roles).
        // $rights = $link->getResourceNode()->getTool()->getToolResourceRight();
        // $rights = $link->getResourceNode()->getResourceType()->getTool()->getToolResourceRight();

        // By default, the rights are:
        // Teachers: CRUD.
        // Students: Only read.
        // Anons: Only read.
        $readerMask = self::getReaderMask();
        $editorMask = self::getEditorMask();

        if ($courseId && $link->hasCourse() && $link->getCourse()->getId() === $courseId) {
            // If teacher.
            if ($this->security->isGranted(self::ROLE_CURRENT_COURSE_TEACHER)) {
                $resourceRight = (new ResourceRight())
                    ->setMask($editorMask)
                    ->setRole(self::ROLE_CURRENT_COURSE_TEACHER)
                ;
                $rights[] = $resourceRight;
            }

            // If student.
            if ($this->security->isGranted(self::ROLE_CURRENT_COURSE_STUDENT)
                && ResourceLink::VISIBILITY_PUBLISHED === $link->getVisibility()
            ) {
                $resourceRight = (new ResourceRight())
                    ->setMask($readerMask)
                    ->setRole(self::ROLE_CURRENT_COURSE_STUDENT)
                ;
                $rights[] = $resourceRight;
            }

            // For everyone.
            if (ResourceLink::VISIBILITY_PUBLISHED === $link->getVisibility()
                && $link->getCourse()->isPublic()
            ) {
                $allowAnonsToView = true;
                $resourceRight = (new ResourceRight())
                    ->setMask($readerMask)
                    ->setRole('IS_AUTHENTICATED_ANONYMOUSLY')
                ;
                $rights[] = $resourceRight;
            }
        }

        if (!empty($groupId)) {
            if ($this->security->isGranted(self::ROLE_CURRENT_COURSE_GROUP_TEACHER)) {
                $resourceRight = (new ResourceRight())
                    ->setMask($editorMask)
                    ->setRole(self::ROLE_CURRENT_COURSE_GROUP_TEACHER)
                ;
                $rights[] = $resourceRight;
            }

            if ($this->security->isGranted(self::ROLE_CURRENT_COURSE_GROUP_STUDENT)) {
                $resourceRight = (new ResourceRight())
                    ->setMask($readerMask)
                    ->setRole(self::ROLE_CURRENT_COURSE_GROUP_STUDENT)
                ;
                $rights[] = $resourceRight;
            }
        }

        if (!empty($sessionId)) {
            if ($this->security->isGranted(self::ROLE_CURRENT_COURSE_SESSION_TEACHER)) {
                $resourceRight = (new ResourceRight())
                    ->setMask($editorMask)
                    ->setRole(self::ROLE_CURRENT_COURSE_SESSION_TEACHER)
                ;
                $rights[] = $resourceRight;
            }

            if ($this->security->isGranted(self::ROLE_CURRENT_COURSE_SESSION_STUDENT)) {
                $resourceRight = (new ResourceRight())
                    ->setMask($readerMask)
                    ->setRole(self::ROLE_CURRENT_COURSE_SESSION_STUDENT)
                ;
                $rights[] = $resourceRight;
            }
        }

        if (empty($rights) && ResourceLink::VISIBILITY_PUBLISHED === $link->getVisibility()) {
            // Give just read access.
            $resourceRight = (new ResourceRight())
                ->setMask($readerMask)
                ->setRole('ROLE_USER')
            ;
            $rights[] = $resourceRight;
        }

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

        $askedMask = (string) $mask->get();

        // Creating roles
        // @todo move this in a service
        $anon = new GenericRole('IS_AUTHENTICATED_ANONYMOUSLY');
        $userRole = new GenericRole('ROLE_USER');
        $student = new GenericRole('ROLE_STUDENT');
        $teacher = new GenericRole('ROLE_TEACHER');
        $studentBoss = new GenericRole('ROLE_STUDENT_BOSS');

        $currentStudent = new GenericRole(self::ROLE_CURRENT_COURSE_STUDENT);
        $currentTeacher = new GenericRole(self::ROLE_CURRENT_COURSE_TEACHER);

        $currentStudentGroup = new GenericRole(self::ROLE_CURRENT_COURSE_GROUP_STUDENT);
        $currentTeacherGroup = new GenericRole(self::ROLE_CURRENT_COURSE_GROUP_TEACHER);

        $currentStudentSession = new GenericRole(self::ROLE_CURRENT_COURSE_SESSION_STUDENT);
        $currentTeacherSession = new GenericRole(self::ROLE_CURRENT_COURSE_SESSION_TEACHER);

        // Setting Simple ACL.
        $acl = (new Acl())
            ->addRole($anon)
            ->addRole($userRole)
            ->addRole($student)
            ->addRole($teacher)
            ->addRole($studentBoss)

            ->addRole($currentStudent)
            ->addRole($currentTeacher, self::ROLE_CURRENT_COURSE_STUDENT)

            ->addRole($currentStudentSession)
            ->addRole($currentTeacherSession, self::ROLE_CURRENT_COURSE_SESSION_STUDENT)

            ->addRole($currentStudentGroup)
            ->addRole($currentTeacherGroup, self::ROLE_CURRENT_COURSE_GROUP_STUDENT)
        ;

        // Add a security resource.
        $linkId = (string) $link->getId();
        $acl->addResource(new GenericResource($linkId));

        // Check all the right this link has.
        // Set rights from the ResourceRight.
        foreach ($rights as $right) {
            $acl->allow($right->getRole(), null, (string) $right->getMask());
        }

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

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

        // Anons can see.
        if ($allowAnonsToView) {
            $acl->allow($anon, null, (string) self::getReaderMask());
        }

        if ($token instanceof NullToken) {
            return $acl->isAllowed('IS_AUTHENTICATED_ANONYMOUSLY', $linkId, $askedMask);
        }

        $roles = $user->getRoles();

        foreach ($roles as $role) {
            if ($acl->isAllowed($role, $linkId, $askedMask)) {
                return true;
            }
        }

        return false;
    }

    private function isBlogResource(ResourceNode $node): bool
    {
        $type = $node->getResourceType()?->getTitle();
        if (\in_array($type, ['blog', 'blogs', 'c_blog', 'c_blogs'], true)) {
            return true;
        }

        $firstLink = $node->getResourceLinks()->first();
        if ($firstLink && method_exists($firstLink, 'getTool') && $firstLink->getTool()) {
            $toolName = method_exists($firstLink->getTool(), 'getName')
                ? $firstLink->getTool()->getName()
                : $firstLink->getTool()->getTitle();

            if (\in_array(\strtolower((string) $toolName), ['blog', 'blogs'], true)) {
                return true;
            }
        }

        return false;
    }
}


1			<?php
2
3			declare(strict_types=1);
4
5			/* For licensing terms, see /license.txt */
6
7			namespace Chamilo\CoreBundle\Security\Authorization\Voter;
8
9			use Chamilo\CoreBundle\Entity\Course;
10			use Chamilo\CoreBundle\Entity\ResourceLink;
11			use Chamilo\CoreBundle\Entity\ResourceNode;
12			use Chamilo\CoreBundle\Entity\ResourceRight;
13			use Chamilo\CoreBundle\Entity\Session;
14			use Chamilo\CoreBundle\Settings\SettingsManager;
15			use Chamilo\CourseBundle\Entity\CDocument;
16			use Chamilo\CourseBundle\Entity\CGroup;
17			use Chamilo\CourseBundle\Entity\CQuizQuestion;
18			use Chamilo\CourseBundle\Entity\CQuizRelQuestion;
19			use Chamilo\CourseBundle\Entity\CStudentPublicationRelDocument;
20			use ChamiloSession;
21			use Doctrine\ORM\EntityManagerInterface;
22			use Laminas\Permissions\Acl\Acl;
23			use Laminas\Permissions\Acl\Resource\GenericResource;
24			use Laminas\Permissions\Acl\Role\GenericRole;
25			use Symfony\Bundle\SecurityBundle\Security;
26			use Symfony\Component\HttpFoundation\RequestStack;
27			use Symfony\Component\Security\Acl\Permission\MaskBuilder;
28			use Symfony\Component\Security\Core\Authentication\Token\NullToken;
29			use Symfony\Component\Security\Core\Authentication\Token\TokenInterface;
30			use Symfony\Component\Security\Core\Authorization\Voter\Voter;
31			use Symfony\Component\Security\Core\User\UserInterface;
32
33			/**
34			* @extends Voter<'CREATE'\|'VIEW'\|'EDIT'\|'DELETE'\|'EXPORT', ResourceNode>
35			*/
36			class ResourceNodeVoter extends Voter
37			{
38			public const VIEW = 'VIEW';
39			public const CREATE = 'CREATE';
40			public const EDIT = 'EDIT';
41			public const DELETE = 'DELETE';
42			public const EXPORT = 'EXPORT';
43			public const ROLE_CURRENT_COURSE_TEACHER = 'ROLE_CURRENT_COURSE_TEACHER';
44			public const ROLE_CURRENT_COURSE_STUDENT = 'ROLE_CURRENT_COURSE_STUDENT';
45			public const ROLE_CURRENT_COURSE_GROUP_TEACHER = 'ROLE_CURRENT_COURSE_GROUP_TEACHER';
46			public const ROLE_CURRENT_COURSE_GROUP_STUDENT = 'ROLE_CURRENT_COURSE_GROUP_STUDENT';
47			public const ROLE_CURRENT_COURSE_SESSION_TEACHER = 'ROLE_CURRENT_COURSE_SESSION_TEACHER';
48			public const ROLE_CURRENT_COURSE_SESSION_STUDENT = 'ROLE_CURRENT_COURSE_SESSION_STUDENT';
49
50			public function __construct(
51			private Security $security,
52			private RequestStack $requestStack,
53			private SettingsManager $settingsManager,
54			private EntityManagerInterface $entityManager
55			) {}
56
57			public static function getReaderMask(): int
58			{
59			$builder = (new MaskBuilder())
60			->add(self::VIEW)
61			;
62
63			return $builder->get();
64			}
65
66			public static function getEditorMask(): int
67			{
68			$builder = (new MaskBuilder())
69			->add(self::VIEW)
70			->add(self::EDIT)
71			;
72
73			return $builder->get();
74			}
75
76			protected function supports(string $attribute, $subject): bool
77			{
78			$options = [
79			self::VIEW,
80			self::CREATE,
81			self::EDIT,
82			self::DELETE,
83			self::EXPORT,
84			];
85
86			// if the attribute isn't one we support, return false
87			if (!\in_array($attribute, $options, true)) {
88			return false;
89			}
90
91			// only vote on ResourceNode objects inside this voter
92			return $subject instanceof ResourceNode;
93			}
94
95			protected function voteOnAttribute(string $attribute, $subject, TokenInterface $token): bool
96			{
97			// Make sure there is a user object (i.e. that the user is logged in)
98			// Update. No, anons can enter a node depending in the visibility.
99			// $user = $token->getUser();
100			/*if (!$user instanceof UserInterface) {
101			return false;
102			}*/
103			/** @var ResourceNode $resourceNode */
104			$resourceNode = $subject;
105			$resourceTypeName = $resourceNode->getResourceType()->getTitle();
106
107			// Illustrations are always visible, nothing to check.
108			if ('illustrations' === $resourceTypeName) {
109			return true;
110			}
111
112			// Courses are also a Resource but courses are protected using the CourseVoter, not by ResourceNodeVoter.
113			if ('courses' === $resourceTypeName) {
114			return true;
115			}
116
117			// Checking admin role.
118			if ($this->security->isGranted('ROLE_ADMIN')) {
119			return true;
120			}
121
122			if (self::VIEW === $attribute && $this->isBlogResource($resourceNode)) {
123			return true;
124			}
125
126			// @todo
127			switch ($attribute) {
128			case self::VIEW:
129			if ($resourceNode->isPublic()) {
130			return true;
131			}
132
133			// Exception: allow access to hotspot question images if student can view the quiz
134			$questionRepo = $this->entityManager->getRepository(CQuizQuestion::class);
135			$question = $questionRepo->findOneBy(['resourceNode' => $resourceNode]);
136			if ($question) {
137			// Check if it's a Hotspot-type question
138			if (\in_array($question->getType(), [6, 7, 8, 20], true)) { // HOT_SPOT, HOT_SPOT_ORDER, HOT_SPOT_DELINEATION, ANNOTATION
139			$rel = $this->entityManager
140			->getRepository(CQuizRelQuestion::class)
141			->findOneBy(['question' => $question])
142			;
143
144			if ($rel && $rel->getQuiz()) {
145			$quiz = $rel->getQuiz();
146			// Allow if the user has VIEW rights on the quiz
147			if ($this->security->isGranted('VIEW', $quiz)) {
148			return true;
149			}
150			}
151			}
152			}
153
154			// no break
155			case self::EDIT:
156			break;
157			}
158
159			$user = $token->getUser();
160			// Check if I'm the owner.
161			$creator = $resourceNode->getCreator();
162
163			if ($creator instanceof UserInterface
164			&& $user instanceof UserInterface
165			&& $user->getUserIdentifier() === $creator->getUserIdentifier()
166			) {
167			return true;
168			}
169
170			$resourceTypeTitle = $resourceNode->getResourceType()->getTitle();
171			if (
172			\in_array($resourceTypeTitle, [
173			'student_publications',
174			'student_publications_corrections',
175			'student_publications_comments',
176			], true)
177			) {
178			if ($creator instanceof UserInterface
179			&& $user instanceof UserInterface
180			&& $user->getUserIdentifier() === $creator->getUserIdentifier()
181			) {
182			return true;
183			}
184
185			if ($this->security->isGranted('ROLE_CURRENT_COURSE_STUDENT')
186			\|\| $this->security->isGranted('ROLE_CURRENT_COURSE_TEACHER')
187			\|\| $this->security->isGranted('ROLE_CURRENT_COURSE_SESSION_STUDENT')
188			\|\| $this->security->isGranted('ROLE_CURRENT_COURSE_SESSION_TEACHER')
189			) {
190			return true;
191			}
192			}
193
194			if ('files' === $resourceNode->getResourceType()->getTitle()) {
195			$document = $this->entityManager
196			->getRepository(CDocument::class)
197			->findOneBy(['resourceNode' => $resourceNode])
198			;
199
200			if ($document) {
201			$exists = $this->entityManager
202			->getRepository(CStudentPublicationRelDocument::class)
203			->findOneBy(['document' => $document])
204			;
205
206			if (null !== $exists) {
207			return true;
208			}
209			}
210			}
211
212			// Checking links connected to this resource.
213			$request = $this->requestStack->getCurrentRequest();
214
215			$courseId = (int) $request->get('cid');
216			$sessionId = (int) $request->get('sid');
217			$groupId = (int) $request->get('gid');
218
219			// Try Session values.
220			if (empty($courseId) && $request->hasSession()) {
221			$courseId = (int) $request->getSession()->get('cid');
222			$sessionId = (int) $request->getSession()->get('sid');
223			$groupId = (int) $request->getSession()->get('gid');
224
225			if (0 === $courseId) {
226			$courseId = (int) ChamiloSession::read('cid');
227			$sessionId = (int) ChamiloSession::read('sid');
228			$groupId = (int) ChamiloSession::read('gid');
229			}
230			}
231
232			$links = $resourceNode->getResourceLinks();
233			$firstLink = $resourceNode->getResourceLinks()->first();
234			if ($resourceNode->hasResourceFile() && $firstLink) {
235			if (0 === $courseId && $firstLink->getCourse() instanceof Course) {
236			$courseId = (int) $firstLink->getCourse()->getId();
237			}
238			if (0 === $sessionId && $firstLink->getSession() instanceof Session) {
239			$sessionId = (int) $firstLink->getSession()->getId();
240			}
241			if (0 === $groupId && $firstLink->getGroup() instanceof CGroup) {
242			$groupId = (int) $firstLink->getGroup()->getIid();
243			}
244			if ($firstLink->getUser() instanceof UserInterface
245			&& 'true' === $this->settingsManager->getSetting('security.access_to_personal_file_for_all')
246			) {
247			return true;
248			}
249			if ($firstLink->getCourse() instanceof Course
250			&& $firstLink->getCourse()->isPublic()
251			) {
252			return true;
253			}
254			}
255
256			$linkFound = 0;
257			$link = null;
258
259			// @todo implement view, edit, delete.
260			foreach ($links as $link) {
261			// Check if resource was sent to the current user.
262			$linkUser = $link->getUser();
263			if ($linkUser instanceof UserInterface
264			&& $user instanceof UserInterface
265			&& $linkUser->getUserIdentifier() === $user->getUserIdentifier()) {
266			$linkFound = 2;
267
268			break;
269			}
270
271			$linkCourse = $link->getCourse();
272
273			// Course found, but courseId not set, skip course checking.
274			if ($linkCourse instanceof Course && empty($courseId)) {
275			continue;
276			}
277
278			$linkSession = $link->getSession();
279			$linkGroup = $link->getGroup();
280			// $linkUserGroup = $link->getUserGroup();
281
282			// @todo Check if resource was sent to a usergroup
283
284			// Check if resource was sent inside a group in a course session.
285			if (null === $linkUser
286			&& $linkGroup instanceof CGroup && !empty($groupId)
287			&& $linkSession instanceof Session && !empty($sessionId)
288			&& $linkCourse instanceof Course
289			&& ($linkCourse->getId() === $courseId
290			&& $linkSession->getId() === $sessionId
291			&& $linkGroup->getIid() === $groupId)
292			) {
293			$linkFound = 3;
294
295			break;
296			}
297
298			// Check if resource was sent inside a group in a base course.
299			if (null === $linkUser
300			&& empty($sessionId)
301			&& $linkGroup instanceof CGroup && !empty($groupId)
302			&& $linkCourse instanceof Course && ($linkCourse->getId() === $courseId
303			&& $linkGroup->getIid() === $groupId)
304			) {
305			$linkFound = 4;
306
307			break;
308			}
309
310			// Check if resource was sent to a course inside a session.
311			if (null === $linkUser
312			&& $linkSession instanceof Session && !empty($sessionId)
313			&& $linkCourse instanceof Course && ($linkCourse->getId() === $courseId
314			&& $linkSession->getId() === $sessionId)
315			) {
316			$linkFound = 5;
317
318			break;
319			}
320
321			// Check if resource was sent to a course.
322			if (null === $linkUser
323			&& $linkCourse instanceof Course && $linkCourse->getId() === $courseId
324			) {
325			$linkFound = 6;
326
327			break;
328			}
329
330			/*if (ResourceLink::VISIBILITY_PUBLISHED === $link->getVisibility()) {
331			* $linkFound = true;
332			* break;
333			* }*/
334			}
335
336			// No link was found.
337			if (0 === $linkFound) {
338			return false;
339			}
340
341			// Getting rights from the link
342			$rightsFromResourceLink = $link->getResourceRights();
343			$allowAnonsToView = false;
344
345			$rights = [];
346			if ($rightsFromResourceLink->count() > 0) {
347			// Taken rights from the link.
348			$rights = $rightsFromResourceLink;
349			}
350
351			// Taken the rights from context (request + user roles).
352			// $rights = $link->getResourceNode()->getTool()->getToolResourceRight();
353			// $rights = $link->getResourceNode()->getResourceType()->getTool()->getToolResourceRight();
354
355			// By default, the rights are:
356			// Teachers: CRUD.
357			// Students: Only read.
358			// Anons: Only read.
359			$readerMask = self::getReaderMask();
360			$editorMask = self::getEditorMask();
361
362			if ($courseId && $link->hasCourse() && $link->getCourse()->getId() === $courseId) {
363			// If teacher.
364			if ($this->security->isGranted(self::ROLE_CURRENT_COURSE_TEACHER)) {
365			$resourceRight = (new ResourceRight())
366			->setMask($editorMask)
367			->setRole(self::ROLE_CURRENT_COURSE_TEACHER)
368			;
369			$rights[] = $resourceRight;
370			}
371
372			// If student.
373			if ($this->security->isGranted(self::ROLE_CURRENT_COURSE_STUDENT)
374			&& ResourceLink::VISIBILITY_PUBLISHED === $link->getVisibility()
375			) {
376			$resourceRight = (new ResourceRight())
377			->setMask($readerMask)
378			->setRole(self::ROLE_CURRENT_COURSE_STUDENT)
379			;
380			$rights[] = $resourceRight;
381			}
382
383			// For everyone.
384			if (ResourceLink::VISIBILITY_PUBLISHED === $link->getVisibility()
385			&& $link->getCourse()->isPublic()
386			) {
387			$allowAnonsToView = true;
388			$resourceRight = (new ResourceRight())
389			->setMask($readerMask)
390			->setRole('IS_AUTHENTICATED_ANONYMOUSLY')
391			;
392			$rights[] = $resourceRight;
393			}
394			}
395
396			if (!empty($groupId)) {
397			if ($this->security->isGranted(self::ROLE_CURRENT_COURSE_GROUP_TEACHER)) {
398			$resourceRight = (new ResourceRight())
399			->setMask($editorMask)
400			->setRole(self::ROLE_CURRENT_COURSE_GROUP_TEACHER)
401			;
402			$rights[] = $resourceRight;
403			}
404
405			if ($this->security->isGranted(self::ROLE_CURRENT_COURSE_GROUP_STUDENT)) {
406			$resourceRight = (new ResourceRight())
407			->setMask($readerMask)
408			->setRole(self::ROLE_CURRENT_COURSE_GROUP_STUDENT)
409			;
410			$rights[] = $resourceRight;
411			}
412			}
413
414			if (!empty($sessionId)) {
415			if ($this->security->isGranted(self::ROLE_CURRENT_COURSE_SESSION_TEACHER)) {
416			$resourceRight = (new ResourceRight())
417			->setMask($editorMask)
418			->setRole(self::ROLE_CURRENT_COURSE_SESSION_TEACHER)
419			;
420			$rights[] = $resourceRight;
421			}
422
423			if ($this->security->isGranted(self::ROLE_CURRENT_COURSE_SESSION_STUDENT)) {
424			$resourceRight = (new ResourceRight())
425			->setMask($readerMask)
426			->setRole(self::ROLE_CURRENT_COURSE_SESSION_STUDENT)
427			;
428			$rights[] = $resourceRight;
429			}
430			}
431
432			if (empty($rights) && ResourceLink::VISIBILITY_PUBLISHED === $link->getVisibility()) {
433			// Give just read access.
434			$resourceRight = (new ResourceRight())
435			->setMask($readerMask)
436			->setRole('ROLE_USER')
437			;
438			$rights[] = $resourceRight;
439			}
440
441			// Asked mask
442			$mask = new MaskBuilder();
443			$mask->add($attribute);
444
445			$askedMask = (string) $mask->get();
446
447			// Creating roles
448			// @todo move this in a service
449			$anon = new GenericRole('IS_AUTHENTICATED_ANONYMOUSLY');
450			$userRole = new GenericRole('ROLE_USER');
451			$student = new GenericRole('ROLE_STUDENT');
452			$teacher = new GenericRole('ROLE_TEACHER');
453			$studentBoss = new GenericRole('ROLE_STUDENT_BOSS');
454
455			$currentStudent = new GenericRole(self::ROLE_CURRENT_COURSE_STUDENT);
456			$currentTeacher = new GenericRole(self::ROLE_CURRENT_COURSE_TEACHER);
457
458			$currentStudentGroup = new GenericRole(self::ROLE_CURRENT_COURSE_GROUP_STUDENT);
459			$currentTeacherGroup = new GenericRole(self::ROLE_CURRENT_COURSE_GROUP_TEACHER);
460
461			$currentStudentSession = new GenericRole(self::ROLE_CURRENT_COURSE_SESSION_STUDENT);
462			$currentTeacherSession = new GenericRole(self::ROLE_CURRENT_COURSE_SESSION_TEACHER);
463
464			// Setting Simple ACL.
465			$acl = (new Acl())
466			->addRole($anon)
467			->addRole($userRole)
468			->addRole($student)
469			->addRole($teacher)
470			->addRole($studentBoss)
471
472			->addRole($currentStudent)
473			->addRole($currentTeacher, self::ROLE_CURRENT_COURSE_STUDENT)
474
475			->addRole($currentStudentSession)
476			->addRole($currentTeacherSession, self::ROLE_CURRENT_COURSE_SESSION_STUDENT)
477
478			->addRole($currentStudentGroup)
479			->addRole($currentTeacherGroup, self::ROLE_CURRENT_COURSE_GROUP_STUDENT)
480			;
481
482			// Add a security resource.
483			$linkId = (string) $link->getId();
484			$acl->addResource(new GenericResource($linkId));
485
486			// Check all the right this link has.
487			// Set rights from the ResourceRight.
488			foreach ($rights as $right) {
489			$acl->allow($right->getRole(), null, (string) $right->getMask());
490			}
491
492			// Role and permissions settings
493			// Student can just view (read)
494			// $acl->allow($student, null, self::getReaderMask());
495
496			// Teacher can view/edit
497			/*$acl->allow(
498			$teacher,
499			null,
500			[
501			self::getReaderMask(),
502			self::getEditorMask(),
503			]
504			);*/
505
506			// Anons can see.
507			if ($allowAnonsToView) {
508			$acl->allow($anon, null, (string) self::getReaderMask());
509			}
510
511			if ($token instanceof NullToken) {
512			return $acl->isAllowed('IS_AUTHENTICATED_ANONYMOUSLY', $linkId, $askedMask);
513			}
514
515			$roles = $user->getRoles();
516
517			foreach ($roles as $role) {
518			if ($acl->isAllowed($role, $linkId, $askedMask)) {
519			return true;
520			}
521			}
522
523			return false;
524			}
525
526			private function isBlogResource(ResourceNode $node): bool
527			{
528			$type = $node->getResourceType()?->getTitle();
529			if (\in_array($type, ['blog', 'blogs', 'c_blog', 'c_blogs'], true)) {
530			return true;
531			}
532
533			$firstLink = $node->getResourceLinks()->first();
534			if ($firstLink && method_exists($firstLink, 'getTool') && $firstLink->getTool()) {
535			$toolName = method_exists($firstLink->getTool(), 'getName')
536			? $firstLink->getTool()->getName()
537			: $firstLink->getTool()->getTitle();
538
539			if (\in_array(\strtolower((string) $toolName), ['blog', 'blogs'], true)) {
540			return true;
541			}
542			}
543
544			return false;
545			}
546			}
547

chamilo / chamilo-lms

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ResourceNodeVoter::isBlogResource() B

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