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espocrm/application/Espo/Core/Acl/AssignmentChecker/Helper.php
2026-01-19 17:46:06 +01:00

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<?php
/************************************************************************
* This file is part of EspoCRM.
*
* EspoCRM Open Source CRM application.
* Copyright (C) 2014-2025 EspoCRM, Inc.
* Website: https://www.espocrm.com
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*
* The interactive user interfaces in modified source and object code versions
* of this program must display Appropriate Legal Notices, as required under
* Section 5 of the GNU Affero General Public License version 3.
*
* In accordance with Section 7(b) of the GNU Affero General Public License version 3,
* these Appropriate Legal Notices must retain the display of the "EspoCRM" word.
************************************************************************/
namespace Espo\Core\Acl\AssignmentChecker;
use Espo\Core\Acl\Permission;
use Espo\Core\Acl\Table;
use Espo\Core\AclManager;
use Espo\Core\Name\Field;
use Espo\Core\ORM\Entity as CoreEntity;
use Espo\Core\ORM\Type\FieldType;
use Espo\Core\Utils\Metadata;
use Espo\Entities\User;
use Espo\ORM\Defs;
use Espo\ORM\Entity;
use Espo\ORM\EntityManager;
use Espo\ORM\Name\Attribute;
use Espo\Repositories\User as UserRepository;
class Helper
{
private const ATTR_ASSIGNED_USER_ID = Field::ASSIGNED_USER . 'Id';
private const FIELD_TEAMS = Field::TEAMS;
private const FIELD_ASSIGNED_USERS = Field::ASSIGNED_USERS;
private const FIELD_COLLABORATORS = Field::COLLABORATORS;
public function __construct(
private EntityManager $entityManager,
private AclManager $aclManager,
private Defs $ormDefs,
private Metadata $metadata,
) {}
public function checkAssignedUser(User $user, Entity $entity): bool
{
if (!$entity->hasAttribute(self::ATTR_ASSIGNED_USER_ID)) {
return true;
}
if ($user->isPortal()) {
return !$entity->isAttributeChanged(self::ATTR_ASSIGNED_USER_ID);
}
$assignmentPermission = $this->aclManager->getPermissionLevel($user, Permission::ASSIGNMENT);
if ($assignmentPermission === Table::LEVEL_ALL) {
return true;
}
$toProcess = false;
if (!$entity->isNew()) {
if ($entity->isAttributeChanged(self::ATTR_ASSIGNED_USER_ID)) {
$toProcess = true;
}
} else {
$toProcess = true;
}
if (!$toProcess) {
return true;
}
$assignedUserId = $entity->get(self::ATTR_ASSIGNED_USER_ID);
if (!$assignedUserId) {
if ($assignmentPermission === Table::LEVEL_NO && !$user->isApi()) {
return false;
}
return true;
}
if ($assignmentPermission === Table::LEVEL_NO) {
return $user->getId() === $assignedUserId;
}
if ($assignmentPermission === Table::LEVEL_TEAM) {
$teamIdList = $user->getTeamIdList();
return $this->getUserRepository()->checkBelongsToAnyOfTeams($assignedUserId, $teamIdList);
}
return false;
}
public function checkTeams(User $user, Entity $entity): bool
{
$assignmentPermission = $this->aclManager->getPermissionLevel($user, Permission::ASSIGNMENT);
if (!in_array($assignmentPermission, [Table::LEVEL_TEAM, Table::LEVEL_NO])) {
return true;
}
if (!$entity instanceof CoreEntity) {
return true;
}
if (!$entity->hasLinkMultipleField(self::FIELD_TEAMS)) {
return true;
}
$teamIdList = $entity->getLinkMultipleIdList(self::FIELD_TEAMS);
if ($teamIdList === []) {
return $this->isPermittedTeamsEmpty($user, $entity);
}
$newIdList = [];
if (!$entity->isNew()) {
$existingIdList = [];
$teamCollection = $this->entityManager
->getRelation($entity, self::FIELD_TEAMS)
->select(Attribute::ID)
->find();
foreach ($teamCollection as $team) {
$existingIdList[] = $team->getId();
}
foreach ($teamIdList as $id) {
if (!in_array($id, $existingIdList)) {
$newIdList[] = $id;
}
}
} else {
$newIdList = $teamIdList;
}
if ($newIdList === []) {
return true;
}
$userTeamIdList = $user->getLinkMultipleIdList(self::FIELD_TEAMS);
foreach ($newIdList as $id) {
if (!in_array($id, $userTeamIdList)) {
return false;
}
}
return true;
}
public function checkUsers(User $user, Entity $entity, string $field): bool
{
if (!$entity instanceof CoreEntity) {
return true;
}
$idsAttr = $field . 'Ids';
if (!$entity->hasLinkMultipleField($field)) {
return true;
}
if ($user->isPortal()) {
if (!$entity->isAttributeChanged($idsAttr)) {
return true;
}
return false;
}
$assignmentPermission = $this->aclManager->getPermissionLevel($user, Permission::ASSIGNMENT);
if ($assignmentPermission === Table::LEVEL_ALL) {
if (!$this->hasOnlyInternalUsers($user, $entity, $field)) {
return false;
}
return true;
}
$toProcess = $entity->isNew() || $entity->isAttributeChanged($idsAttr);
if (!$toProcess) {
return true;
}
$userIds = $entity->getLinkMultipleIdList($field);
if ($userIds === []) {
if ($assignmentPermission === Table::LEVEL_NO && !$user->isApi()) {
return false;
}
return true;
}
if ($assignmentPermission === Table::LEVEL_NO) {
return $this->isPermittedUsersLevelNo($user, $entity, $field);
}
if ($assignmentPermission === Table::LEVEL_TEAM) {
return $this->isPermittedUsersLevelTeam($user, $entity, $field);
}
return false;
}
private function isPermittedUsersLevelNo(User $user, CoreEntity $entity, string $field): bool
{
$userIds = $this->getAddedLinkMultipleIds($entity, $field);
foreach ($userIds as $userId) {
if ($user->getId() !== $userId) {
return false;
}
}
return true;
}
private function isPermittedUsersLevelTeam(User $user, CoreEntity $entity, string $field): bool
{
$teamIds = $user->getLinkMultipleIdList(self::FIELD_TEAMS);
$userIds = $this->getAddedLinkMultipleIds($entity, $field);
foreach ($userIds as $userId) {
if (!$this->getUserRepository()->checkBelongsToAnyOfTeams($userId, $teamIds)) {
return false;
}
}
return true;
}
private function hasOnlyInternalUsers(User $user, CoreEntity $entity, string $field): bool
{
$ids = array_diff($this->getAddedLinkMultipleIds($entity, $field), [$user->getId()]);
$ids = array_values($ids);
$count = $this->entityManager
->getRDBRepositoryByClass(User::class)
->where([
'type!=' => [
User::TYPE_REGULAR,
User::TYPE_ADMIN,
],
Attribute::ID => $ids,
])
->count();
return $count === 0;
}
/**
* @return string[]
*/
private function getAddedLinkMultipleIds(CoreEntity $entity, string $field): array
{
/** @var string[] $previousIds */
$previousIds = $entity->getFetched(self::FIELD_COLLABORATORS . 'Ids') ?? [];
return array_values(array_diff($entity->getLinkMultipleIdList($field), $previousIds));
}
private function isPermittedTeamsEmpty(User $user, CoreEntity $entity): bool
{
$assignmentPermission = $this->aclManager->getPermissionLevel($user, Permission::ASSIGNMENT);
if ($assignmentPermission !== Table::LEVEL_TEAM) {
return true;
}
if ($entity->hasLinkMultipleField(self::FIELD_ASSIGNED_USERS)) {
$assignedUserIdList = $entity->getLinkMultipleIdList(self::FIELD_ASSIGNED_USERS);
if ($assignedUserIdList === []) {
return false;
}
} else if ($entity->hasAttribute(self::ATTR_ASSIGNED_USER_ID)) {
if (!$entity->get(self::ATTR_ASSIGNED_USER_ID)) {
return false;
}
}
return true;
}
public function hasAssignedUsersField(string $entityType): bool
{
$entityDefs = $this->ormDefs->getEntity($entityType);
return
$entityDefs->hasField(self::FIELD_ASSIGNED_USERS) &&
$entityDefs->getField(self::FIELD_ASSIGNED_USERS)->getType() === FieldType::LINK_MULTIPLE &&
$entityDefs->hasRelation(self::FIELD_ASSIGNED_USERS) &&
$entityDefs->getRelation(self::FIELD_ASSIGNED_USERS)->getForeignEntityType() === User::ENTITY_TYPE;
}
public function hasCollaboratorsField(string $entityType): bool
{
if (!$this->metadata->get("scopes.$entityType.collaborators")) {
return false;
}
$entityDefs = $this->ormDefs->getEntity($entityType);
return
$entityDefs->tryGetField(self::FIELD_COLLABORATORS)?->getType() === FieldType::LINK_MULTIPLE &&
$entityDefs->tryGetRelation(self::FIELD_COLLABORATORS)?->tryGetForeignEntityType() === User::ENTITY_TYPE;
}
private function getUserRepository(): UserRepository
{
/** @var UserRepository */
return $this->entityManager->getRepository(User::ENTITY_TYPE);
}
}