class.ilObjRoleFolderGUI.php

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<?php
 
declare(strict_types=1);
 
use ILIAS\Refinery\Factory;
use ILIAS\UI\Factory as UIFactory;
 
class ilObjRoleFolderGUI extends ilObjectGUI
{
    private const COPY_ADD_PERMISSIONS = 1;
    private const COPY_CLONE_PERMISSIONS = 2;
    private const COPY_REMOVE_PERMISSIONS = 3;
    private const COPY_CHANGE_EXISTING_OBJECTS = 1;
 
    private ilLogger $logger;
    protected ilRbacAdmin $rbacadmin;
    protected Factory $refinery;
    protected UIFactory $ui_factory;
 
    public function __construct($a_data, int $a_id, bool $a_call_by_reference)
    {
        global $DIC;
 
        $this->logger = $DIC->logger()->ac();
        $this->rbacadmin = $DIC['rbacadmin'];
        $this->refinery = $DIC->refinery();
        $this->ui_factory = $DIC['ui.factory'];
 
        $this->type = "rolf";
        parent::__construct($a_data, $a_id, $a_call_by_reference, false);
        $this->lng->loadLanguageModule('rbac');
    }
 
    public function executeCommand(): void
    {
        $next_class = $this->ctrl->getNextClass($this);
        $cmd = $this->ctrl->getCmd();
        $this->prepareOutput();
 
        switch ($next_class) {
            case 'ilpermissiongui':
                $perm_gui = new ilPermissionGUI($this);
                $ret = $this->ctrl->forwardCommand($perm_gui);
                break;
 
            default:
                $this->ctrl->setReturn($this, "view");
                if (!$cmd) {
                    $cmd = "view";
                }
                $cmd .= "Object";
                $this->$cmd();
 
                break;
        }
    }
 
    protected function initCopySourceFromGET(): int
    {
        if ($this->http->wrapper()->query()->has('csource')) {
            return $this->http->wrapper()->query()->retrieve(
                'csource',
                $this->refinery->kindlyTo()->int()
            );
        }
        return 0;
    }
 
    protected function initRolesFromPOST(): array
    {
        if ($this->http->wrapper()->post()->has('roles')) {
            return $this->http->wrapper()->post()->retrieve(
                'roles',
                $this->refinery->byTrying([
                    $this->refinery->kindlyTo()->listOf(
                        $this->refinery->kindlyTo()->int()
                    ),
                    $this->refinery->in()->series([
                        $this->refinery->custom()->transformation(function ($v) {
                            return explode(',', $v);
                        }),
                        $this->refinery->kindlyTo()->listOf(
                            $this->refinery->kindlyTo()->int()
                        )
                    ])
                ])
            );
        }
        return [];
    }
 
    public function returnObject(): void
    {
        $this->viewObject();
    }
 
    protected function buildTargetNamesString(): string
    {
        $targets = $this->initRolesFromPOST();
 
        if ($targets === []) {
            $this->tpl->setOnScreenMessage('failure', $this->lng->txt('rbac_copy_no_targets'), true);
            $this->ctrl->redirect($this, 'roleSearchList');
        }
 
        if (count($targets) > 3) {
            return sprintf($this->lng->txt('rbac_copy_multi_targets'), '<strong>' . ilObject::_lookupTitle($targets[0]), ilObject::_lookupTitle($targets[1]) . '</strong>', '<strong>' . (string) count($targets) - 2, '</strong>');
        }
 
        if (count($targets) > 1) {
            $target_names = '<strong>' . ilObject::_lookupTitle(array_shift($targets));
            foreach ($targets as $target) {
                $target_names .= ', ' . ilObject::_lookupTitle($target);
            }
            return $target_names . '</strong>';
        }
 
        // we have one single target
        return '<strong>' . ilObject::_lookupTitle($targets[0]) . '</strong>';
    }
 
    public function viewObject(): void
    {
        $this->tabs_gui->activateTab('view');
 
        if (!$this->rbac_system->checkAccess('visible,read', $this->object->getRefId())) {
            $this->error->raiseError($this->lng->txt('permission_denied'), $this->error->MESSAGE);
        }
 
        if ($this->rbac_system->checkAccess('create_role', $this->object->getRefId())) {
            $this->ctrl->setParameter($this, 'new_type', 'role');
            $this->toolbar->addComponent(
                $this->ui_factory->link()->standard(
                    $this->lng->txt('rolf_create_role'),
                    $this->ctrl->getLinkTargetByClass(ilObjRoleGUI::class, 'create')
                )
            );
        }
        if ($this->rbac_system->checkAccess('create_rolt', $this->object->getRefId())) {
            $this->ctrl->setParameter($this, 'new_type', 'rolt');
            $this->toolbar->addComponent(
                $this->ui_factory->link()->standard(
                    $this->lng->txt('rolf_create_rolt'),
                    $this->ctrl->getLinkTargetByClass(ilObjRoleTemplateGUI::class, 'create')
                )
            );
            $this->ctrl->clearParameters($this);
        }
 
        if (
            $this->rbac_system->checkAccess('create_rolt', $this->object->getRefId()) ||
            $this->rbac_system->checkAccess('create_rolt', $this->object->getRefId())
        ) {
            $this->toolbar->addComponent(
                $this->ui_factory->link()->standard(
                    $this->lng->txt('rbac_import_role'),
                    $this->ctrl->getLinkTargetByClass('ilPermissionGUI', 'displayImportRoleForm')
                )
            );
        }
 
        $table = new ilRoleTableGUI($this, 'view');
        $table->init();
        $table->parse($this->object->getId());
 
        $this->tpl->setContent($table->getHTML());
    }
 
    protected function roleSearchObject(): void
    {
        $this->tabs_gui->clearTargets();
        $this->tabs_gui->setBackTarget(
            $this->lng->txt('rbac_back_to_overview'),
            $this->ctrl->getLinkTarget($this, 'view')
        );
 
        if (!$this->rbac_system->checkAccess('visible,read', $this->object->getRefId())) {
            $this->error->raiseError($this->lng->txt('permission_denied'), $this->error->MESSAGE);
        }
 
        $this->ctrl->setParameter($this, 'csource', $this->initCopySourceFromGET());
        $this->tpl->setOnScreenMessage(
            'info',
            sprintf(
                $this->lng->txt('rbac_choose_copy_targets'),
                '<strong>' . ilObject::_lookupTitle($this->initCopySourceFromGET()) . '</strong>'
            )
        );
 
        $form = $this->initRoleSearchForm();
        $this->tpl->setContent($form->getHTML());
    }
 
    protected function initRoleSearchForm(): ilPropertyFormGUI
    {
        $form = new ilPropertyFormGUI();
        $form->setTitle($this->lng->txt('rbac_role_title'));
        $form->setFormAction($this->ctrl->getFormAction($this, 'view'));
 
        $search = new ilTextInputGUI($this->lng->txt('title'), 'title');
        $search->setRequired(true);
        $search->setSize(30);
        $search->setMaxLength(255);
        $form->addItem($search);
 
        $form->addCommandButton('roleSearchForm', $this->lng->txt('search'));
        return $form;
    }
 
    protected function roleSearchFormObject(): void
    {
        ilSession::set('rolf_search_query', '');
        $this->ctrl->setParameter($this, 'csource', $this->initCopySourceFromGET());
 
        $form = $this->initRoleSearchForm();
        if ($form->checkInput()) {
            ilSession::set('rolf_search_query', $form->getInput('title'));
            $this->roleSearchListObject();
            return;
        }
 
        $this->tpl->setOnScreenMessage('failure', $this->lng->txt('msg_no_search_string'), true);
        $form->setValuesByPost();
        $this->ctrl->redirect($this, 'roleSearch');
    }
 
    protected function roleSearchListObject(): void
    {
        $this->tabs_gui->clearTargets();
        $this->tabs_gui->setBackTarget(
            $this->lng->txt('rbac_back_to_overview'),
            $this->ctrl->getLinkTarget($this, 'view')
        );
 
        $this->ctrl->setParameter($this, 'csource', $this->initCopySourceFromGET());
 
        if (strlen(ilSession::get('rolf_search_query'))) {
            $this->tpl->setOnScreenMessage(
                'info',
                sprintf(
                    $this->lng->txt('rbac_select_copy_targets'),
                    '<strong>' . ilObject::_lookupTitle($this->initCopySourceFromGET()) . '</strong>'
                )
            );
            $table = new ilRoleTableGUI($this, 'roleSearchList');
            $table->setType(ilRoleTableGUI::TYPE_SEARCH);
            $table->setRoleTitleFilter(ilSession::get('rolf_search_query'));
            $table->init();
            $table->parse($this->object->getId());
            $this->tpl->setContent($table->getHTML());
            return;
        }
 
        $this->tpl->setOnScreenMessage('failure', $this->lng->txt('msg_no_search_string'), true);
        $this->ctrl->redirect($this, 'roleSearch');
    }
 
    protected function chooseCopyBehaviourObject(?ilPropertyFormGUI $form = null): void
    {
        $this->initCopySourceFromGET();
 
        $this->ctrl->saveParameter($this, 'csource');
        $this->tabs_gui->clearTargets();
        $this->tabs_gui->setBackTarget(
            $this->lng->txt('rbac_back_to_overview'),
            $this->ctrl->getLinkTarget($this, 'view')
        );
        if (!$form instanceof \ilPropertyFormGUI) {
            $form = $this->initCopyBehaviourForm();
        }
        $this->tpl->setContent($form->getHTML());
    }
 
    protected function initCopyBehaviourForm(): ilPropertyFormGUI
    {
        // not only for role templates; add/remove permissions is also applicable for roles
        $full_featured = true;
 
        $this->tpl->setOnScreenMessage(
            'info',
            sprintf(
                $this->lng->txt('rbac_copy_behaviour_info'),
                '<strong>' . ilObject::_lookupTitle($this->initCopySourceFromGET()) . '</strong>',
                $this->buildTargetNamesString()
            ),
            true
        );
 
        $form = new ilPropertyFormGUI();
        $form->setTitle($this->lng->txt('rbac_copy_behaviour'));
        $form->setFormAction($this->ctrl->getFormAction($this, 'chooseCopyBehaviour'));
 
        $copy_type = new \ilRadioGroupInputGUI(
            $this->lng->txt('rbac_form_copy_roles_adjust_type'),
            'type'
        );
        $copy_type->setRequired(true);
        $copy_type->setValue((string) self::COPY_CLONE_PERMISSIONS);
 
        if ($full_featured) {
            $add = new \ilRadioOption(
                $this->lng->txt('rbac_form_copy_roles_adjust_type_add'),
                (string) self::COPY_ADD_PERMISSIONS,
                $this->lng->txt('rbac_form_copy_roles_adjust_type_add_info')
            );
            $copy_type->addOption($add);
 
            $ce_type_add = new \ilRadioGroupInputGUI(
                '',
                'add_ce_type'
            );
            $ce_type_add->setRequired(true);
            $ce_add_yes = new \ilRadioOption(
                $this->lng->txt('rbac_form_copy_roles_ce_add_yes'),
                (string) self::COPY_CHANGE_EXISTING_OBJECTS,
                $this->lng->txt('rbac_form_copy_roles_ce_add_yes_info')
            );
            $ce_type_add->addOption($ce_add_yes);
            $ce_add_no = new \ilRadioOption(
                $this->lng->txt('rbac_form_copy_roles_ce_add_no'),
                (string) 0,
                $this->lng->txt('rbac_form_copy_roles_ce_add_no_info')
            );
            $ce_type_add->addOption($ce_add_no);
            $add->addSubItem($ce_type_add);
        }
        $clone = new \ilRadioOption(
            $this->lng->txt('rbac_form_copy_roles_adjust_type_clone'),
            (string) self::COPY_CLONE_PERMISSIONS,
            $this->lng->txt('rbac_form_copy_roles_adjust_type_clone_info')
        );
        $copy_type->addOption($clone);
 
        $ce_type_clone = new \ilRadioGroupInputGUI(
            '',
            'clone_ce_type'
        );
        $ce_type_clone->setRequired(true);
        $ce_clone_yes = new \ilRadioOption(
            $this->lng->txt('rbac_form_copy_roles_ce_clone_yes'),
            (string) self::COPY_CHANGE_EXISTING_OBJECTS,
            $this->lng->txt('rbac_form_copy_roles_ce_clone_yes_info')
        );
        $ce_type_clone->addOption($ce_clone_yes);
        $ce_clone_no = new \ilRadioOption(
            $this->lng->txt('rbac_form_copy_roles_ce_clone_no'),
            (string) 0,
            $this->lng->txt('rbac_form_copy_roles_ce_clone_no_info')
        );
        $ce_type_clone->addOption($ce_clone_no);
        $clone->addSubItem($ce_type_clone);
 
        if ($full_featured) {
            $remove = new \ilRadioOption(
                $this->lng->txt('rbac_form_copy_roles_adjust_type_remove'),
                (string) self::COPY_REMOVE_PERMISSIONS,
                $this->lng->txt('rbac_form_copy_roles_adjust_type_remove_info')
            );
            $copy_type->addOption($remove);
            $ce_type_remove = new \ilRadioGroupInputGUI(
                '',
                'remove_ce_type'
            );
            $ce_type_remove->setRequired(true);
            $ce_remove_yes = new \ilRadioOption(
                $this->lng->txt('rbac_form_copy_roles_ce_remove_yes'),
                (string) self::COPY_CHANGE_EXISTING_OBJECTS,
                $this->lng->txt('rbac_form_copy_roles_ce_remove_yes_info')
            );
            $ce_type_remove->addOption($ce_remove_yes);
            $ce_remove_no = new \ilRadioOption(
                $this->lng->txt('rbac_form_copy_roles_ce_remove_no'),
                (string) 0,
                $this->lng->txt('rbac_form_copy_roles_ce_remove_no_info')
            );
            $ce_type_remove->addOption($ce_remove_no);
            $remove->addSubItem($ce_type_remove);
        }
 
        $form->addItem($copy_type);
 
        $roles = new ilHiddenInputGUI('roles');
        $roles->setValue(implode(',', $this->initRolesFromPOST()));
        $form->addItem($roles);
 
        $form->addCommandButton('roleSearchList', $this->lng->txt('back'));
        $form->addCommandButton('adjustRole', $this->lng->txt('rbac_form_copy_roles_adjust_button'));
        return $form;
    }
 
    protected function adjustRoleObject(): void
    {
        $this->checkPermission('write');
 
        $roles = $this->initRolesFromPOST();
        $source = $this->initCopySourceFromGET();
 
        $form = $this->initCopyBehaviourForm();
        if (!$form->checkInput()) {
            $form->setValuesByPost();
            $this->chooseCopyBehaviourObject($form);
            return;
        }
 
        $adjustment_type = $form->getInput('type');
        foreach ((array) $roles as $role_id) {
            if ($role_id !== $source) {
                $start_obj = $this->rbac_review->getRoleFolderOfRole($role_id);
                $this->logger->debug('Start object: ' . $start_obj);
 
                switch ($adjustment_type) {
                    case self::COPY_ADD_PERMISSIONS:
                        $change_existing = (bool) $form->getInput('add_ce_type');
                        $this->doAddRolePermissions(
                            $source,
                            $role_id
                        );
                        if ($change_existing) {
                            $this->doChangeExistingObjects(
                                $start_obj,
                                $role_id,
                                \ilObjRole::MODE_ADD_OPERATIONS,
                                $source
                            );
                        }
                        break;
                    case self::COPY_CLONE_PERMISSIONS:
                        $change_existing = (bool) $form->getInput('clone_ce_type');
                        $this->doCopyRole(
                            $source,
                            $role_id
                        );
                        if ($change_existing) {
                            $this->doChangeExistingObjects(
                                $start_obj,
                                $role_id,
                                \ilObjRole::MODE_READ_OPERATIONS,
                                $source
                            );
                        }
                        break;
                    case self::COPY_REMOVE_PERMISSIONS:
                        $change_existing = (bool) $form->getInput('remove_ce_type');
                        $this->doRemoveRolePermissions(
                            $source,
                            $role_id
                        );
                        if ($change_existing) {
                            $this->doChangeExistingObjects(
                                $start_obj,
                                $role_id,
                                \ilObjRole::MODE_REMOVE_OPERATIONS,
                                $source
                            );
                        }
                        break;
                }
            }
        }
 
        $this->tpl->setOnScreenMessage('success', $this->lng->txt('rbac_copy_finished'), true);
        $this->ctrl->redirect($this, 'view');
    }
 
    protected function doAddRolePermissions(int $source, int $target): void
    {
        $source_definition = $this->rbac_review->getRoleFolderOfRole($source);
        $this->rbacadmin->copyRolePermissionUnion(
            $source,
            $source_definition,
            $target,
            $this->rbac_review->getRoleFolderOfRole($target),
            $target,
            $this->rbac_review->getRoleFolderOfRole($target)
        );
    }
 
    protected function removeRolePermissionsObject(): void
    {
        // Finally copy role/rolt
        $roles = $this->initRolesFromPOST();
        $source = $this->initCopySourceFromGET();
 
        $form = $this->initCopyBehaviourForm();
        if ($form->checkInput()) {
            foreach ((array) $roles as $role_id) {
                if ($role_id !== $source) {
                    $this->doRemoveRolePermissions($source, $role_id);
                }
            }
            $this->tpl->setOnScreenMessage('success', $this->lng->txt('rbac_copy_finished'), true);
            $this->ctrl->redirect($this, 'view');
        }
    }
 
    protected function doRemoveRolePermissions(int $source, int $target): void
    {
        $this->logger->debug('Remove permission source: ' . $source);
        $this->logger->debug('Remove permission target: ' . $target);
        $source_obj = $this->rbac_review->getRoleFolderOfRole($source);
        $this->rbacadmin->copyRolePermissionSubtract(
            $source,
            $source_obj,
            $target,
            $this->rbac_review->getRoleFolderOfRole($target)
        );
    }
 
    protected function doCopyRole(int $source, int $target): void
    {
        $target_obj = $this->rbac_review->getRoleFolderOfRole($target);
        $source_obj = $this->rbac_review->getRoleFolderOfRole($source);
        // Copy role template permissions
        $this->rbacadmin->copyRoleTemplatePermissions(
            $source,
            $source_obj,
            $target_obj,
            $target
        );
    }
 
    protected function doChangeExistingObjects(
        int $a_start_obj,
        int $a_target_role,
        int $a_operation_mode,
        int $a_source_role
    ): void {
        if (!$a_start_obj) {
            $this->logger->warning('Missing parameter start object.');
            $this->logger->logStack(\ilLogLevel::WARNING);
            throw new InvalidArgumentException('Missing parameter: start object');
        }
        // the mode is unchanged and read out from the target object
        $target_ref_id = $this->rbac_review->getRoleFolderOfRole($a_target_role);
        if ($this->rbac_review->isProtected($target_ref_id, $a_target_role)) {
            $mode = \ilObjRole::MODE_PROTECTED_KEEP_LOCAL_POLICIES;
        } else {
            $mode = \ilObjRole::MODE_UNPROTECTED_KEEP_LOCAL_POLICIES;
        }
        $operation_stack = [];
        if ($a_operation_mode !== \ilObjRole::MODE_READ_OPERATIONS) {
            $operation_stack[] = $this->rbac_review->getAllOperationsOfRole($a_source_role, $this->ref_id);
        }
        $this->logger->debug('Current operation stack');
        $this->logger->dump($operation_stack, ilLogLevel::DEBUG);
 
        $role = new ilObjRole($a_target_role);
        $role->changeExistingObjects(
            $a_start_obj,
            $mode,
            ['all'],
            [],
            $a_operation_mode,
            $operation_stack
        );
    }
 
    protected function applyFilterObject(): void
    {
        $table = new ilRoleTableGUI($this, 'view');
        $table->init();
        $table->resetOffset();
        $table->writeFilterToSession();
 
        $this->viewObject();
    }
 
    public function resetFilterObject(): void
    {
        $table = new ilRoleTableGUI($this, 'view');
        $table->init();
        $table->resetOffset();
        $table->resetFilter();
 
        $this->viewObject();
    }
 
    protected function confirmDeleteObject(): void
    {
        $roles = $this->initRolesFromPOST();
        if ($roles === []) {
            $this->tpl->setOnScreenMessage('failure', $this->lng->txt('select_one'), true);
            $this->ctrl->redirect($this, 'view');
        }
 
        $question = $this->lng->txt('rbac_role_delete_qst');
 
        $confirm = new ilConfirmationGUI();
        $confirm->setHeaderText($question);
        $confirm->setFormAction($this->ctrl->getFormAction($this));
        $confirm->setHeaderText($this->lng->txt("info_delete_sure"));
        $confirm->setConfirm($this->lng->txt('delete'), 'deleteRole');
        $confirm->setCancel($this->lng->txt('cancel'), 'cancel');
 
        foreach ($roles as $role_id) {
            $confirm->addItem(
                'roles[]',
                (string) $role_id,
                ilObjRole::_getTranslation(ilObject::_lookupTitle($role_id))
            );
        }
        $this->tpl->setContent($confirm->getHTML());
    }
 
    protected function deleteRoleObject(): void
    {
        if (!$this->rbac_system->checkAccess('delete', $this->object->getRefId())) {
            $this->error->raiseError(
                $this->lng->txt('msg_no_perm_delete'),
                $this->error->MESSAGE
            );
        }
 
        foreach ($this->initRolesFromPOST() as $id) {
            // instatiate correct object class (role or rolt)
            $obj = ilObjectFactory::getInstanceByObjId($id, false);
 
            if ($obj->getType() == "role") {
                $rolf_arr = $this->rbac_review->getFoldersAssignedToRole($obj->getId(), true);
                $obj->setParent($rolf_arr[0]);
            }
 
            $obj->delete();
        }
 
        // set correct return location if rolefolder is removed
        $this->tpl->setOnScreenMessage('success', $this->lng->txt("msg_deleted_roles_rolts"), true);
        $this->ctrl->redirect($this, 'view');
    }
 
    public function getAdminTabs(): void
    {
        if ($this->checkPermissionBool("visible,read")) {
            $this->tabs_gui->addTarget(
                "view",
                $this->ctrl->getLinkTarget($this, "view"),
                ["", "view"],
                get_class($this)
            );
 
            $this->tabs_gui->addTarget(
                "settings",
                $this->ctrl->getLinkTarget($this, "editSettings"),
                ["editSettings"],
                get_class($this)
            );
        }
 
        if ($this->checkPermissionBool("edit_permission")) {
            $this->tabs_gui->addTarget(
                "perm_settings",
                $this->ctrl->getLinkTargetByClass(
                    [get_class($this), 'ilpermissiongui'],
                    "perm"
                ),
                "",
                "ilpermissiongui"
            );
        }
    }
 
    public function editSettingsObject(?ilPropertyFormGUI $a_form = null): void
    {
        if ($a_form === null) {
            $a_form = $this->initSettingsForm();
        }
 
        $this->tpl->setContent($a_form->getHTML());
    }
 
    public function saveSettingsObject(): void
    {
        global $DIC;
 
        $user = $DIC->user();
 
        if (!$this->checkPermissionBool("write")) {
            $this->error->raiseError($this->lng->txt('permission_denied'), $this->error->MESSAGE);
        }
 
        $form = $this->initSettingsForm();
        if ($form->checkInput()) {
            $privacy = ilPrivacySettings::getInstance();
            $privacy->enableRbacLog((bool) $form->getInput('rbac_log'));
            $privacy->setRbacLogAge((int) $form->getInput('rbac_log_age'));
            $privacy->save();
 
            if ($this->rbac_review->isAssigned($user->getId(), SYSTEM_ROLE_ID)) {
                $security = ilSecuritySettings::_getInstance();
                $security->protectedAdminRole((bool) $form->getInput('admin_role'));
                $security->save();
            }
            $this->tpl->setOnScreenMessage('success', $this->lng->txt("settings_saved"), true);
            $this->ctrl->redirect($this, "editSettings");
        }
 
        $form->setValuesByPost();
        $this->editSettingsObject($form);
    }
 
    protected function initSettingsForm(): ilPropertyFormGUI
    {
        global $DIC;
 
        $user = $DIC->user();
 
        $this->lng->loadLanguageModule('ps');
 
        $privacy = ilPrivacySettings::getInstance();
        $security = ilSecuritySettings::_getInstance();
 
        $form = new ilPropertyFormGUI();
        $form->setFormAction($this->ctrl->getFormAction($this, "saveSettings"));
        $form->setTitle($this->lng->txt('settings'));
 
        // protected admin
        $admin = new ilCheckboxInputGUI($GLOBALS['DIC']['lng']->txt('adm_adm_role_protect'), 'admin_role');
        $admin->setDisabled(!$this->rbac_review->isAssigned($user->getId(), SYSTEM_ROLE_ID));
        $admin->setInfo($this->lng->txt('adm_adm_role_protect_info'));
        $admin->setChecked($security->isAdminRoleProtected());
        $admin->setValue((string) 1);
        $form->addItem($admin);
 
        $check = new ilCheckboxInputGUI($this->lng->txt('rbac_log'), 'rbac_log');
        $check->setInfo($this->lng->txt('rbac_log_info'));
        $check->setChecked($privacy->enabledRbacLog());
        $form->addItem($check);
 
        $age = new ilNumberInputGUI($this->lng->txt('rbac_log_age'), 'rbac_log_age');
        $age->setInfo($this->lng->txt('rbac_log_age_info'));
        $age->setValue((string) $privacy->getRbacLogAge());
        $age->setMinValue(1);
        $age->setMaxValue(24);
        $age->setSize(2);
        $age->setMaxLength(2);
        $check->addSubItem($age);
 
        $form->addCommandButton('saveSettings', $this->lng->txt('save'));
 
        return $form;
    }
 
    public function addToExternalSettingsForm(int $a_form_id): array
    {
        switch ($a_form_id) {
            case ilAdministrationSettingsFormHandler::FORM_SECURITY:
 
                $security = ilSecuritySettings::_getInstance();
 
                $fields = ['adm_adm_role_protect' => [$security->isAdminRoleProtected(),
                                                                ilAdministrationSettingsFormHandler::VALUE_BOOL
                ]
                ];
 
                return [["editSettings", $fields]];
 
            case ilAdministrationSettingsFormHandler::FORM_PRIVACY:
 
                $privacy = ilPrivacySettings::getInstance();
 
                $subitems = null;
                if ($privacy->enabledRbacLog()) {
                    $subitems = ['rbac_log_age' => $privacy->getRbacLogAge()];
                }
                $fields = ['rbac_log' => [$privacy->enabledRbacLog(),
                                                    ilAdministrationSettingsFormHandler::VALUE_BOOL,
                                                    $subitems
                ]
                ];
 
                return [["editSettings", $fields]];
        }
        return [];
    }
} // END class.ilObjRoleFolderGUI