498 lines
14 KiB
PHP
498 lines
14 KiB
PHP
<?php
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namespace LAM\AJAX;
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use htmlResponsiveTable;
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use htmlStatusMessage;
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use \LAM\TOOLS\IMPORT_EXPORT\Importer;
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use \LAM\TOOLS\IMPORT_EXPORT\Exporter;
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use \LAM\TYPES\TypeManager;
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use \htmlResponsiveRow;
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use \htmlLink;
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use \htmlOutputText;
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use \htmlButton;
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use \LAM\LOGIN\WEBAUTHN\WebauthnManager;
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use \LAMCfgMain;
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/*
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This code is part of LDAP Account Manager (http://www.ldap-account-manager.org/)
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Copyright (C) 2011 - 2020 Roland Gruber
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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/**
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* Manages all AJAX requests.
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*
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* @author Roland Gruber
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* @package tools
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*/
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/** security functions */
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include_once(__DIR__ . "/../../lib/security.inc");
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/** LDIF import */
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include_once(__DIR__ . "/../../lib/import.inc");
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// start session
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if (isset($_GET['selfservice'])) {
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// self service uses a different session name
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session_name('SELFSERVICE');
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}
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// return standard JSON response if session expired
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if (startSecureSession(false, true) === false) {
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echo json_encode(array(
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'sessionExpired' => "true"
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));
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die();
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}
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setlanguage();
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$ajax = new Ajax();
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$ajax->handleRequest();
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/**
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* Manages all AJAX requests.
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*/
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class Ajax {
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/**
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* Manages an AJAX request.
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*/
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public function handleRequest() {
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$this->setHeader();
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// check token
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validateSecurityToken();
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$isSelfService = isset($_GET['selfservice']);
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if (isset($_GET['module']) && isset($_GET['scope']) && in_array($_GET['module'], getAvailableModules($_GET['scope']))) {
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enforceUserIsLoggedIn();
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if (isset($_GET['useContainer']) && ($_GET['useContainer'] == '1')) {
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$sessionKey = htmlspecialchars($_GET['editKey']);
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if (!isset($_SESSION[$sessionKey])) {
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logNewMessage(LOG_ERR, 'Unable to find account container');
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die();
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}
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$module = $_SESSION[$sessionKey]->getAccountModule($_GET['module']);
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$module->handleAjaxRequest();
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}
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else {
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$module = new $_GET['module']($_GET['scope']);
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$module->handleAjaxRequest();
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}
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die();
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}
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if (!isset($_GET['function'])) {
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die();
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}
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$function = $_GET['function'];
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if (!isset($_POST['jsonInput'])) {
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die();
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}
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$jsonInput = $_POST['jsonInput'];
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if ($function == 'passwordStrengthCheck') {
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$this->checkPasswordStrength($jsonInput);
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die();
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}
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if ($function === 'webauthn') {
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enforceUserIsLoggedIn(false);
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$this->manageWebauthn($isSelfService);
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die();
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}
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if ($function === 'webauthnDevices') {
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$this->enforceUserIsLoggedInToMainConfiguration();
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$this->manageWebauthnDevices();
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die();
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}
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enforceUserIsLoggedIn();
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if ($function == 'passwordChange') {
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$this->managePasswordChange($jsonInput);
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}
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elseif ($function === 'import') {
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include_once('../../lib/import.inc');
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$importer = new Importer();
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ob_start();
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$jsonOut = $importer->doImport();
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ob_end_clean();
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echo $jsonOut;
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}
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elseif ($function === 'export') {
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include_once('../../lib/export.inc');
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$attributes = $_POST['attributes'];
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$baseDn = $_POST['baseDn'];
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$ending = $_POST['ending'];
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$filter = $_POST['filter'];
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$format = $_POST['format'];
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$includeSystem = ($_POST['includeSystem'] === 'true');
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$saveAsFile = ($_POST['saveAsFile'] === 'true');
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$searchScope = $_POST['searchScope'];
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$exporter = new Exporter($baseDn, $searchScope, $filter, $attributes, $includeSystem, $saveAsFile, $format, $ending);
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ob_start();
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$jsonOut = $exporter->doExport();
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ob_end_clean();
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echo $jsonOut;
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}
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elseif ($function === 'upload') {
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include_once('../../lib/upload.inc');
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$typeManager = new \LAM\TYPES\TypeManager();
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$uploader = new \LAM\UPLOAD\Uploader($typeManager->getConfiguredType($_GET['typeId']));
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ob_start();
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$jsonOut = $uploader->doUpload();
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ob_end_clean();
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echo $jsonOut;
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}
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elseif ($function === 'dnselection') {
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ob_start();
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$jsonOut = $this->dnSelection();
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ob_end_clean();
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echo $jsonOut;
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}
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elseif ($function === 'webauthnOwnDevices') {
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$this->manageWebauthnOwnDevices();
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}
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}
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/**
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* Sets JSON HTTP header.
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*/
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private static function setHeader() {
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if (!headers_sent()) {
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header('Content-Type: application/json; charset=utf-8');
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}
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}
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/**
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* Manages a password change request on the edit account page.
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*
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* @param array $input input parameters
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*/
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private static function managePasswordChange($input) {
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$sessionKey = htmlspecialchars($_GET['editKey']);
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$return = $_SESSION[$sessionKey]->setNewPassword($input);
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echo json_encode($return);
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}
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/**
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* Checks if a password is accepted by LAM's password policy.
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*
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* @param array $input input parameters
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*/
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private function checkPasswordStrength($input) {
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$password = $input['password'];
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$result = checkPasswordStrength($password, null, null);
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echo json_encode(array("result" => $result));
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}
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/**
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* Manages webauthn requests.
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*
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* @param bool $isSelfService request is from self service
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*/
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private function manageWebauthn($isSelfService) {
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include_once __DIR__ . '/../../lib/webauthn.inc';
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if ($isSelfService) {
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$userDN = lamDecrypt($_SESSION['selfService_clientDN'], 'SelfService');
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}
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else {
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$userDN = $_SESSION['ldap']->getUserName();
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}
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$webauthnManager = new WebauthnManager();
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$isRegistered = $webauthnManager->isRegistered($userDN);
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if (!$isRegistered) {
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$registrationObject = $webauthnManager->getRegistrationObject($userDN, $isSelfService);
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$_SESSION['webauthn_registration'] = json_encode($registrationObject);
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echo json_encode(
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array(
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'action' => 'register',
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'registration' => $registrationObject
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),
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JSON_UNESCAPED_SLASHES | JSON_UNESCAPED_UNICODE
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);
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}
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else {
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$authenticationObject = $webauthnManager->getAuthenticationObject($userDN, $isSelfService);
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$_SESSION['webauthn_authentication'] = json_encode($authenticationObject);
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echo json_encode(
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array(
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'action' => 'authenticate',
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'authentication' => $authenticationObject
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),
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JSON_UNESCAPED_SLASHES | JSON_UNESCAPED_UNICODE
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);
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}
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die();
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}
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/**
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* Webauthn device management.
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*/
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private function manageWebauthnDevices() {
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$action = $_POST['action'];
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if ($action === 'search') {
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$searchTerm = $_POST['searchTerm'];
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if (!empty($searchTerm)) {
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$this->manageWebauthnDevicesSearch($searchTerm);
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}
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}
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elseif ($action === 'delete') {
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$dn = $_POST['dn'];
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$credentialId = $_POST['credentialId'];
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if (!empty($dn) && !empty($credentialId)) {
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$this->manageWebauthnDevicesDelete($dn, $credentialId);
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}
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}
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}
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/**
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* Searches for webauthn devices and prints the results as html.
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*
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* @param string $searchTerm search term
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*/
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private function manageWebauthnDevicesSearch($searchTerm) {
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include_once __DIR__ . '/../../lib/webauthn.inc';
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$database = new \LAM\LOGIN\WEBAUTHN\PublicKeyCredentialSourceRepositorySQLite();
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$results = $database->searchDevices('%' . $searchTerm . '%');
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$row = new htmlResponsiveRow();
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$row->addVerticalSpacer('0.5rem');
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if (empty($results)) {
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$row->add(new htmlStatusMessage('INFO', _('No devices found.')), 12);
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}
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else {
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$titles = array(
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_('User'),
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_('Registration'),
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_('Last use'),
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_('Delete')
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);
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$data = array();
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$id = 0;
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foreach ($results as $result) {
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$delButton = new htmlButton('deleteDevice' . $id, 'delete.png', true);
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$delButton->addDataAttribute('credential', $result['credentialId']);
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$delButton->addDataAttribute('dn', $result['dn']);
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$delButton->addDataAttribute('dialogtitle', _('Remove device'));
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$delButton->addDataAttribute('oktext', _('Ok'));
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$delButton->addDataAttribute('canceltext', _('Cancel'));
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$delButton->setCSSClasses(array('webauthn-delete'));
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$data[] = array(
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new htmlOutputText($result['dn']),
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new htmlOutputText(date('Y-m-d H:i:s', $result['registrationTime'])),
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new htmlOutputText(date('Y-m-d H:i:s', $result['lastUseTime'])),
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$delButton
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);
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$id++;
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}
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$table = new htmlResponsiveTable($titles, $data);
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$row->add($table, 12);
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}
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$row->addVerticalSpacer('2rem');
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$tabindex = 10000;
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ob_start();
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$row->generateHTML('none', array(), array(), false, $tabindex, null);
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$content = ob_get_contents();
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ob_end_clean();
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echo json_encode(array('content' => $content));
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}
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/**
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* Deletes a webauthn device.
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*
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* @param string $dn user DN
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* @param string $credentialId base64 encoded credential id
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*/
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private function manageWebauthnDevicesDelete($dn, $credentialId) {
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include_once __DIR__ . '/../../lib/webauthn.inc';
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$database = new \LAM\LOGIN\WEBAUTHN\PublicKeyCredentialSourceRepositorySQLite();
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$success = $database->deleteDevice($dn, $credentialId);
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if ($success) {
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$message = new htmlStatusMessage('INFO', _('The device was deleted.'));
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}
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else {
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$message = new htmlStatusMessage('ERROR', _('The device was not found.'));
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}
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$row = new htmlResponsiveRow();
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$row->addVerticalSpacer('0.5rem');
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$row->add($message, 12);
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$row->addVerticalSpacer('2rem');
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ob_start();
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$tabindex = 50000;
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$row->generateHTML('none', array(), array(), true, $tabindex, null);
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$content = ob_get_contents();
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ob_end_clean();
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echo json_encode(array('content' => $content));
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}
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/**
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* Manages requests to setup user's own webauthn devices.
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*/
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private function manageWebauthnOwnDevices() {
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$action = $_POST['action'];
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$dn = $_POST['dn'];
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$sessionDn = $_SESSION['ldap']->getUserName();
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if ($sessionDn !== $dn) {
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logNewMessage(LOG_ERR, 'WebAuthn delete canceled, DN does not match.');
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die();
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}
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if ($action === 'delete') {
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$credentialId = $_POST['credentialId'];
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$this->manageWebauthnDevicesDelete($sessionDn, $credentialId);
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}
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}
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/**
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* Handles DN selection fields.
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*
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* @return string JSON output
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*/
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private function dnSelection() {
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$dn = trim($_POST['dn']);
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if (empty($dn) || !get_preg($dn, 'dn')) {
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$dnList = $this->getDefaultDns();
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$dn = null;
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}
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else {
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$dnList = $this->getSubDns($dn);
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}
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$html = $this->buildDnSelectionHtml($dnList, $dn);
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return json_encode(array('dialogData' => $html));
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}
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/**
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* Returns a list of default DNs from account types + tree suffix.
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*
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* @return string[] default DNs
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*/
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private function getDefaultDns() {
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$typeManager = new TypeManager();
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$baseDnList = array();
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foreach ($typeManager->getConfiguredTypes() as $type) {
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$suffix = $type->getSuffix();
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if (!empty($suffix)) {
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$baseDnList[] = $suffix;
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}
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}
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$treeSuffix = $_SESSION['config']->get_Suffix('tree');
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if (!empty($treeSuffix)) {
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$baseDnList[] = $suffix;
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}
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$baseDnList = array_unique($baseDnList);
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usort($baseDnList, 'compareDN');
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return $baseDnList;
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}
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/**
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* Returns the HTML to build the DN selection list.
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*
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* @param string[] $dnList DN list
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* @param string $currentDn current DN
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*/
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private function buildDnSelectionHtml($dnList, $currentDn) {
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$fieldId = trim($_POST['fieldId']);
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$mainRow = new htmlResponsiveRow();
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$onclickUp = 'window.lam.html.updateDnSelection(this, \''
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. htmlspecialchars($fieldId) . '\', \'' . getSecurityTokenName() . '\', \''
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. getSecurityTokenValue() . '\')';
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if (!empty($currentDn)) {
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$row = new htmlResponsiveRow();
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$row->addDataAttribute('dn', $currentDn);
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$text = new htmlOutputText($currentDn);
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$text->setIsBold(true);
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$row->add($text, 12, 9);
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$row->setCSSClasses(array('text-right'));
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$buttonId = base64_encode($currentDn);
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$buttonId = str_replace('=', '', $buttonId);
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$button = new htmlButton($buttonId, _('Ok'));
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$button->setIconClass('okButton');
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$button->setOnClick('window.lam.html.selectDn(this, \'' . htmlspecialchars($fieldId) . '\')');
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$row->add($button, 12, 3);
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$mainRow->add($row, 12);
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// back up
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$row = new htmlResponsiveRow();
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$row->addDataAttribute('dn', extractDNSuffix($currentDn));
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$text = new htmlLink('..', '#');
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$text->setCSSClasses(array('bold'));
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$text->setOnClick($onclickUp);
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$row->add($text, 12, 9);
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$row->setCSSClasses(array('text-right'));
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$buttonId = base64_encode('..');
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$buttonId = str_replace('=', '', $buttonId);
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$button = new htmlButton($buttonId, _('Up'));
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$button->setIconClass('upButton');
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$button->setOnClick($onclickUp);
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$row->add($button, 12, 3);
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$mainRow->add($row, 12);
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}
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foreach ($dnList as $dn) {
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$row = new htmlResponsiveRow();
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$row->addDataAttribute('dn', $dn);
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$link = new htmlLink($dn, '#');
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$link->setOnClick($onclickUp);
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$row->add($link, 12, 9);
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$row->setCSSClasses(array('text-right'));
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$buttonId = base64_encode($dn);
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$buttonId = str_replace('=', '', $buttonId);
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$button = new htmlButton($buttonId, _('Ok'));
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$button->setIconClass('okButton');
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$button->setOnClick('window.lam.html.selectDn(this, \'' . htmlspecialchars($fieldId) . '\')');
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$row->add($button, 12, 3);
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$mainRow->add($row, 12);
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}
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$tabindex = 1000;
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ob_start();
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parseHtml(null, $mainRow, array(), false, $tabindex, 'user');
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$out = ob_get_contents();
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ob_end_clean();
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return $out;
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}
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/**
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* Returns the sub DNs of given DN.
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*
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* @param string $dn DN
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* @return string[] sub DNs
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*/
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private function getSubDns($dn) {
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$dnEntries = ldapListDN($dn);
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$dnList = array();
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foreach ($dnEntries as $entry) {
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$dnList[] = $entry['dn'];
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}
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usort($dnList, 'compareDN');
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return $dnList;
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}
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/**
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* Checks if the user entered the configuration master password.
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* Dies if password is not set.
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*/
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private function enforceUserIsLoggedInToMainConfiguration() {
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if (!isset($_SESSION['cfgMain'])) {
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$cfg = new LAMCfgMain();
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}
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else {
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$cfg = $_SESSION['cfgMain'];
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}
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if (isset($_SESSION["mainconf_password"]) && ($cfg->checkPassword($_SESSION["mainconf_password"]))) {
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return;
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}
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die();
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}
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}
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?>
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