class.ilLocalUserGUI.php

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<?php
/* Copyright (c) 1998-2013 ILIAS open source, Extended GPL, see docs/LICENSE */
class ilLocalUserGUI
{

    protected $tabs_gui;
    protected $form;
    protected $toolbar;
    protected $ctrl;
    protected $tpl;
    public $object;
    protected $lng;
    protected $ilAccess;


    //TODO MST 14.11.2013 - we should split this class into ilLocalUserTableGUI and ilLocalUserRoleGUI
    public function __construct($parent_gui)
    {
        global $DIC;
        $tpl = $DIC['tpl'];
        $ilCtrl = $DIC['ilCtrl'];
        $ilTabs = $DIC['ilTabs'];
        $ilToolbar = $DIC['ilToolbar'];
        $lng = $DIC['lng'];
        $rbacsystem = $DIC['rbacsystem'];
        $ilAccess = $DIC['ilAccess'];
        $this->tpl = $tpl;
        $this->ctrl = $ilCtrl;
        $this->parent_gui = $parent_gui;
        $this->object = $parent_gui->object;
        $this->tabs_gui = $this->parent_gui->tabs_gui;
        $this->toolbar = $ilToolbar;
        $this->lng = $lng;
        $this->ilAccess = $ilAccess;
        $this->lng->loadLanguageModule('user');
        if (!$rbacsystem->checkAccess("cat_administrate_users", $this->parent_gui->object->getRefId())) {
            ilUtil::sendFailure($this->lng->txt("msg_no_perm_admin_users"), true);
        }
    }


    public function executeCommand()
    {
        $cmd = $this->ctrl->getCmd();
        switch ($cmd) {
            case "assignRoles":
            case "assignSave":
                $this->tabs_gui->clearTargets();
                $this->tabs_gui->setBackTarget($this->lng->txt("back"), $this->ctrl->getLinkTargetByClass("illocalusergui", 'index'));
                $this->$cmd();
                break;
            default:
                $this->$cmd();
                break;
        }

        return true;
    }


    protected function resetFilter()
    {
        $table = new ilUserTableGUI($this, "index", ilUserTableGUI::MODE_LOCAL_USER);
        $table->resetOffset();
        $table->resetFilter();
        $this->index();
    }


    protected function applyFilter()
    {
        $table = new ilUserTableGUI($this, "index", ilUserTableGUI::MODE_LOCAL_USER);
        $table->resetOffset();
        $table->writeFilterToSession();
        $this->index();
    }


    public function index($show_delete = false)
    {
        global $DIC;
        $ilUser = $DIC['ilUser'];
        $rbacreview = $DIC['rbacreview'];
        $rbacsystem = $DIC['rbacsystem'];
        $this->tpl->addBlockfile(
            'ADM_CONTENT',
            'adm_content',
            'tpl.cat_admin_users.html',
            "Modules/Category"
        );
        if (count($rbacreview->getGlobalAssignableRoles())
            or in_array(SYSTEM_ROLE_ID, $rbacreview->assignedRoles($ilUser->getId()))
        ) {
            $this->toolbar->addButton(
                $this->lng->txt('add_user'),
                $this->ctrl->getLinkTargetByClass('ilobjusergui', 'create')
            );
            $this->toolbar->addButton(
                $this->lng->txt('import_users'),
                $this->ctrl->getLinkTargetByClass('ilobjuserfoldergui', 'importUserForm')
            );
        } else {
            ilUtil::sendInfo($this->lng->txt('no_roles_user_can_be_assigned_to'));
        }
        if ($show_delete) {
            $this->tpl->setCurrentBlock("confirm_delete");
            $this->tpl->setVariable("CONFIRM_FORMACTION", $this->ctrl->getFormAction($this));
            $this->tpl->setVariable("TXT_CANCEL", $this->lng->txt('cancel'));
            $this->tpl->setVariable("CONFIRM_CMD", 'performDeleteUsers');
            $this->tpl->setVariable("TXT_CONFIRM", $this->lng->txt('delete'));
            $this->tpl->parseCurrentBlock();
        }
        $table = new ilUserTableGUI($this, 'index', ilUserTableGUI::MODE_LOCAL_USER);
        $this->tpl->setVariable('USERS_TABLE', $table->getHTML());

        return true;
    }


    protected function addUserAutoCompleteObject()
    {
        $auto = new ilUserAutoComplete();
        $auto->setSearchFields(array( 'login', 'firstname', 'lastname', 'email' ));
        $auto->enableFieldSearchableCheck(true);
        $auto->setMoreLinkAvailable(true);

        if (($_REQUEST['fetchall'])) {
            $auto->setLimit(ilUserAutoComplete::MAX_ENTRIES);
        }

        echo $auto->getList($_REQUEST['term']);
        exit();
    }


    public function performDeleteUsers()
    {
        global $DIC;
        $ilLog = $DIC['ilLog'];
        $this->checkPermission("cat_administrate_users");
        foreach ($_POST['user_ids'] as $user_id) {
            if (!in_array($user_id, ilLocalUser::_getAllUserIds($_GET['ref_id']))) {
                $ilLog->write(__FILE__ . ":" . __LINE__ . " User with id $user_id could not be found.");
                ilUtil::sendFailure($this->lng->txt('user_not_found_to_delete'));
            }
            if (!$tmp_obj =&ilObjectFactory::getInstanceByObjId($user_id, false)) {
                continue;
            }
            $tmp_obj->delete();
        }
        ilUtil::sendSuccess($this->lng->txt('deleted_users'), true);
        $this->ctrl->redirect($this, 'index');

        return true;
    }


    public function deleteUsers()
    {
        $this->checkPermission("cat_administrate_users");
        if (!count($_POST['id'])) {
            ilUtil::sendFailure($this->lng->txt('no_users_selected'));
            $this->index();

            return true;
        }
        $confirm = new ilConfirmationGUI();
        $confirm->setFormAction($this->ctrl->getFormAction($this));
        $confirm->setHeaderText($this->lng->txt('sure_delete_selected_users'));
        $confirm->setConfirm($this->lng->txt('delete'), 'performDeleteUsers');
        $confirm->setCancel($this->lng->txt('cancel'), 'index');
        foreach ($_POST['id'] as $user) {
            $name = ilObjUser::_lookupName($user);
            $confirm->addItem(
                'user_ids[]',
                $user,
                $name['lastname'] . ', ' . $name['firstname'] . ' [' . $name['login'] . ']'
            );
        }
        $this->tpl->setContent($confirm->getHTML());
    }


    public function assignRoles()
    {
        global $DIC;
        $rbacreview = $DIC['rbacreview'];
        if (!$this->ilAccess->checkAccess("cat_administrate_users", "", $_GET["ref_id"])) {
            ilUtil::sendFailure($this->lng->txt("permission_denied"), true);
            $this->ctrl->redirect($this, "");
        }
        $offset = $_GET["offset"];
        // init sort_by (unfortunatly sort_by is preset with 'title'
        if ($_GET["sort_by"] == "title" or empty($_GET["sort_by"])) {
            $_GET["sort_by"] = "login";
        }
        $order = $_GET["sort_by"];
        $direction = $_GET["sort_order"];
        if (!isset($_GET['obj_id'])) {
            ilUtil::sendFailure('no_user_selected');
            $this->index();

            return true;
        }
        $roles = $this->__getAssignableRoles();
        $this->tpl->addBlockfile(
            'ADM_CONTENT',
            'adm_content',
            'tpl.cat_role_assignment.html',
            "Modules/Category"
        );
        $ass_roles = $rbacreview->assignedRoles($_GET['obj_id']);
        $counter = 0;
        foreach ($roles as $role) {
            $role_obj =&ilObjectFactory::getInstanceByObjId($role['obj_id']);
            $disabled = false;
            $f_result[$counter][] = ilUtil::formCheckbox(
                in_array($role['obj_id'], $ass_roles) ? 1 : 0,
                'role_ids[]',
                $role['obj_id'],
                $disabled
            );
            $f_result[$counter][] = $role_obj->getTitle();
            $f_result[$counter][] = $role_obj->getDescription()?$role_obj->getDescription():'';
            $f_result[$counter][] = $role['role_type'] == 'global' ?
                $this->lng->txt('global') :
                $this->lng->txt('local');
            unset($role_obj);
            ++$counter;
        }
        $this->__showRolesTable($f_result, "assignRolesObject");
    }


    public function assignSave()
    {
        global $DIC;
        $rbacreview = $DIC['rbacreview'];
        $rbacadmin = $DIC['rbacadmin'];
        if (!$this->ilAccess->checkAccess("cat_administrate_users", "", $_GET["ref_id"])) {
            ilUtil::sendFailure($this->lng->txt("permission_denied"), true);
            $this->ctrl->redirect($this, "");
        }
        // check hack
        if (!isset($_GET['obj_id']) or !in_array($_REQUEST['obj_id'], ilLocalUser::_getAllUserIds())) {
            ilUtil::sendFailure('no_user_selected');
            $this->index();

            return true;
        }
        $roles = $this->__getAssignableRoles();
        // check minimum one global role
        if (!$this->__checkGlobalRoles($_POST['role_ids'])) {
            ilUtil::sendFailure($this->lng->txt('no_global_role_left'));
            $this->assignRolesObject();

            return false;
        }
        $new_role_ids = $_POST['role_ids'] ? $_POST['role_ids'] : array();
        $assigned_roles = $rbacreview->assignedRoles((int) $_REQUEST['obj_id']);
        foreach ($roles as $role) {
            if (in_array($role['obj_id'], $new_role_ids) and !in_array($role['obj_id'], $assigned_roles)) {
                $rbacadmin->assignUser($role['obj_id'], (int) $_REQUEST['obj_id']);
            }
            if (in_array($role['obj_id'], $assigned_roles) and !in_array($role['obj_id'], $new_role_ids)) {
                $rbacadmin->deassignUser($role['obj_id'], (int) $_REQUEST['obj_id']);
            }
        }
        ilUtil::sendSuccess($this->lng->txt('role_assignment_updated'));
        $this->assignRoles();

        return true;
    }


    public function __checkGlobalRoles($new_assigned)
    {
        global $DIC;
        $rbacreview = $DIC['rbacreview'];
        $ilUser = $DIC['ilUser'];
        if (!$this->ilAccess->checkAccess("cat_administrate_users", "", $_GET["ref_id"])) {
            ilUtil::sendFailure($this->lng->txt("permission_denied"), true);
            $this->ctrl->redirect($this, "");
        }
        // return true if it's not a local user
        $tmp_obj =&ilObjectFactory::getInstanceByObjId($_REQUEST['obj_id']);
        if ($tmp_obj->getTimeLimitOwner() != $this->object->getRefId() and
            !in_array(SYSTEM_ROLE_ID, $rbacreview->assignedRoles($ilUser->getId()))
        ) {
            return true;
        }
        // new assignment by form
        $new_assigned = $new_assigned ? $new_assigned : array();
        $assigned = $rbacreview->assignedRoles((int) $_GET['obj_id']);
        // all assignable globals
        if (!in_array(SYSTEM_ROLE_ID, $rbacreview->assignedRoles($ilUser->getId()))) {
            $ga = $rbacreview->getGlobalAssignableRoles();
        } else {
            $ga = $rbacreview->getGlobalRolesArray();
        }
        $global_assignable = array();
        foreach ($ga as $role) {
            $global_assignable[] = $role['obj_id'];
        }
        $new_visible_assigned_roles = array_intersect($new_assigned, $global_assignable);
        $all_assigned_roles = array_intersect($assigned, $rbacreview->getGlobalRoles());
        $main_assigned_roles = array_diff($all_assigned_roles, $global_assignable);
        if (!count($new_visible_assigned_roles) and !count($main_assigned_roles)) {
            return false;
        }

        return true;
    }


    public function __getAssignableRoles()
    {
        global $DIC;
        $rbacreview = $DIC['rbacreview'];
        $ilUser = $DIC['ilUser'];
        // check local user
        $tmp_obj =&ilObjectFactory::getInstanceByObjId($_REQUEST['obj_id']);
        // Admin => all roles
        if (in_array(SYSTEM_ROLE_ID, $rbacreview->assignedRoles($ilUser->getId()))) {
            $global_roles = $rbacreview->getGlobalRolesArray();
        } elseif ($tmp_obj->getTimeLimitOwner() == $this->object->getRefId()) {
            $global_roles = $rbacreview->getGlobalAssignableRoles();
        } else {
            $global_roles = array();
        }

        return $roles = array_merge($global_roles, $rbacreview->getAssignableChildRoles($this->object->getRefId()));
    }


    public function __showRolesTable($a_result_set, $a_from = "")
    {
        if (!$this->ilAccess->checkAccess("cat_administrate_users", "", $_GET["ref_id"])) {
            ilUtil::sendFailure($this->lng->txt("permission_denied"), true);
            $this->ctrl->redirect($this, "");
        }
        $tbl =&$this->parent_gui->__initTableGUI();
        $tpl =&$tbl->getTemplateObject();
        // SET FORMAACTION
        $tpl->setCurrentBlock("tbl_form_header");
        $this->ctrl->setParameter($this, 'obj_id', $_GET['obj_id']);
        $tpl->setVariable("FORMACTION", $this->ctrl->getFormAction($this));
        $tpl->parseCurrentBlock();
        // SET FOOTER BUTTONS
        $tpl->setVariable("IMG_ARROW", ilUtil::getImagePath("arrow_downright.svg"));
        $tpl->setVariable("BTN_NAME", "assignSave");
        $tpl->setVariable("BTN_VALUE", $this->lng->txt("change_assignment"));
        $tpl->setCurrentBlock("tbl_action_row");
        $tpl->setVariable("TPLPATH", $this->tpl->tplPath);
        $tpl->parseCurrentBlock();
        $tmp_obj =&ilObjectFactory::getInstanceByObjId($_GET['obj_id']);
        $title = $this->lng->txt('role_assignment') . ' (' . $tmp_obj->getFullname() . ')';
        $tbl->setTitle($title, "icon_role.svg", $this->lng->txt("role_assignment"));
        $tbl->setHeaderNames(array(
            '',
            $this->lng->txt("title"),
            $this->lng->txt('description'),
            $this->lng->txt("type")
        ));
        $tbl->setHeaderVars(array(
            "",
            "title",
            "description",
            "type"
        ), (get_class($this->parent_gui) == 'ilObjOrgUnitGUI') ? array(
            "ref_id" => $this->object->getRefId(),
            "cmd" => "assignRoles",
            "obj_id" => $_GET['obj_id'],
            "cmdNode" => $_GET["cmdNode"],
            "baseClass" => 'ilAdministrationGUI',
            "admin_mode" => "settings"
        ) : array(
            "ref_id" => $this->object->getRefId(),
            "cmd" => "assignRoles",
            "obj_id" => $_GET['obj_id'],
            "cmdClass" => "ilobjcategorygui",
            "baseClass" => 'ilRepositoryGUI',
            "cmdNode" => $_GET["cmdNode"],
        ));
        $tbl->setColumnWidth(array( "4%", "35%", "45%", "16%" ));
        $this->set_unlimited = true;
        $this->parent_gui->__setTableGUIBasicData($tbl, $a_result_set, $a_from, true);
        $tbl->render();
        $this->tpl->setVariable('OBJECTS', $tbl->getTemplateObject()->get());

        return true;
    }

    protected function checkPermission($permission)
    {
        if (!$this->ilAccess->checkAccess($permission, "", $_GET["ref_id"])) {
            ilUtil::sendFailure($this->lng->txt("permission_denied"), true);
            $this->ctrl->redirect($this, "");
        }
    }
}