610 lines
22 KiB
PHP
610 lines
22 KiB
PHP
<?php
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namespace LAM\LOGIN;
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use LAM\LIB\TWO_FACTOR\TwoFactorProviderService;
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use \LAMConfig;
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use \LAMCfgMain;
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use \htmlSpacer;
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use \htmlOutputText;
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use \htmlSelect;
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use \htmlInputField;
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use \htmlGroup;
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use \htmlInputCheckbox;
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use \htmlButton;
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use \htmlStatusMessage;
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use \Ldap;
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use \htmlResponsiveRow;
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use \htmlDiv;
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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) 2003 - 2006 Michael Duergner
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2005 - 2018 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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* Login form of LDAP Account Manager.
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*
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* @author Michael Duergner
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* @author Roland Gruber
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* @package main
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*/
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/** status messages */
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include_once(__DIR__ . "/../lib/status.inc");
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/** check environment */
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include __DIR__ . '/../lib/checkEnvironment.inc';
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/** security functions */
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include_once(__DIR__ . "/../lib/security.inc");
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/** self service functions */
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include_once(__DIR__ . "/../lib/selfService.inc");
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/** access to configuration options */
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include_once(__DIR__ . "/../lib/config.inc");
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$licenseValidator = null;
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if (isLAMProVersion()) {
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include_once(__DIR__ . "/../lib/env.inc");
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$licenseValidator = new \LAM\ENV\LAMLicenseValidator();
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$licenseValidator->validateAndRedirect('config/mainlogin.php?invalidLicense=1', 'config/mainlogin.php?invalidLicense=2');
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}
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/** Upgrade functions */
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include_once(__DIR__ . "/../lib/upgrade.inc");
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// set session save path
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if (strtolower(session_module_name()) == 'files') {
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session_save_path(dirname(__FILE__) . '/../sess');
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}
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// start empty session and change ID for security reasons
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lam_start_session();
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session_destroy();
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lam_start_session();
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session_regenerate_id(true);
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$profiles = getConfigProfiles();
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// save last selected login profile
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if (isset($_GET['useProfile'])) {
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if (in_array($_GET['useProfile'], $profiles)) {
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setcookie("lam_default_profile", $_GET['useProfile'], time() + 365*60*60*24, '/', null, null, true);
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}
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else {
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unset($_GET['useProfile']);
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}
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}
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// save last selected language
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if (isset($_POST['language'])) {
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setcookie('lam_last_language', htmlspecialchars($_POST['language']), time() + 365*60*60*24, '/', null, null, true);
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}
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// init some session variables
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$default_Config = new LAMCfgMain();
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$_SESSION["cfgMain"] = $default_Config;
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setSSLCaCert();
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$default_Profile = $default_Config->default;
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if(isset($_COOKIE["lam_default_profile"]) && in_array($_COOKIE["lam_default_profile"], $profiles)) {
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$default_Profile = $_COOKIE["lam_default_profile"];
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}
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// Reload loginpage after a profile change
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if(isset($_GET['useProfile']) && in_array($_GET['useProfile'], $profiles)) {
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logNewMessage(LOG_DEBUG, "Change server profile to " . $_GET['useProfile']);
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$_SESSION['config'] = new LAMConfig($_GET['useProfile']); // Recreate the config object with the submited
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}
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// Load login page
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elseif (!empty($default_Profile) && in_array($default_Profile, $profiles)) {
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$_SESSION["config"] = new LAMConfig($default_Profile); // Create new Config object
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}
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else if (sizeof($profiles) > 0) {
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// use first profile as fallback
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$_SESSION["config"] = new LAMConfig($profiles[0]);
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}
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else {
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$_SESSION["config"] = null;
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}
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$error_message = null;
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if (!isset($default_Config->default) || !in_array($default_Config->default, $profiles)) {
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$error_message = _('No default profile set. Please set it in the server profile configuration.');
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}
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$possibleLanguages = getLanguages();
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$encoding = 'UTF-8';
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if (isset($_COOKIE['lam_last_language'])) {
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foreach ($possibleLanguages as $lang) {
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if (strpos($_COOKIE['lam_last_language'], $lang->code) === 0) {
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$_SESSION['language'] = $lang->code;
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$encoding = $lang->encoding;
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break;
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}
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}
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}
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elseif (!empty($_SESSION["config"])) {
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$defaultLang = $_SESSION["config"]->get_defaultLanguage();
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foreach ($possibleLanguages as $lang) {
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if (strpos($defaultLang, $lang->code) === 0) {
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$_SESSION['language'] = $lang->code;
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$encoding = $lang->encoding;
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break;
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}
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}
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}
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else {
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$_SESSION['language'] = 'en_GB.utf8';
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}
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if (isset($_POST['language'])) {
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foreach ($possibleLanguages as $lang) {
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if (strpos($_POST['language'], $lang->code) === 0) {
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$_SESSION['language'] = $lang->code;
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$encoding = $lang->encoding;
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break;
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}
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}
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}
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$_SESSION['header'] = "<!DOCTYPE HTML PUBLIC \"-//W3C//DTD HTML 4.01 Transitional//EN\" \"http://www.w3.org/TR/html4/loose.dtd\">\n\n";
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$_SESSION['header'] .= "<html>\n<head>\n";
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$_SESSION['header'] .= "<meta http-equiv=\"content-type\" content=\"text/html; charset=" . $encoding . "\">\n";
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$_SESSION['header'] .= "<meta http-equiv=\"pragma\" content=\"no-cache\">\n <meta http-equiv=\"cache-control\" content=\"no-cache\">";
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/**
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* Displays the login window.
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*
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* @param \LAM\ENV\LAMLicenseValidator $licenseValidator license validator
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* @param string $error_message error message to display
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*/
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function display_LoginPage($licenseValidator, $error_message) {
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$config_object = $_SESSION['config'];
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$cfgMain = $_SESSION["cfgMain"];
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logNewMessage(LOG_DEBUG, "Display login page");
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// generate 256 bit key and initialization vector for user/passwd-encryption
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if(function_exists('openssl_random_pseudo_bytes') && ($cfgMain->encryptSession == 'true')) {
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$key = openssl_random_pseudo_bytes(32);
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$iv = openssl_random_pseudo_bytes(16);
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// save both in cookie
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setcookie("Key", base64_encode($key), 0, "/", null, null, true);
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setcookie("IV", base64_encode($iv), 0, "/", null, null, true);
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}
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$profiles = getConfigProfiles();
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setlanguage(); // setting correct language
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echo $_SESSION["header"];
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printHeaderContents('LDAP Account Manager', '..');
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?>
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</head>
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<body class="admin">
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<?php
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// include all JavaScript files
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printJsIncludes('..');
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// upgrade if pdf/profiles contain single files
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if (containsFiles('../config/profiles') || containsFiles('../config/pdf')) {
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$result = testPermissions();
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if (sizeof($result) > 0) {
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StatusMessage('ERROR', 'Unable to migrate configuration files. Please allow write access to these paths:', implode('<br>', $result));
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}
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else {
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upgradeConfigToServerProfileFolders($profiles);
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StatusMessage('INFO', 'Config file migration finished.');
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}
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}
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if (isLAMProVersion() && $licenseValidator->isEvaluationLicense()) {
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StatusMessage('INFO', _('Evaluation Licence'));
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}
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?>
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<table border=0 width="100%" class="lamHeader ui-corner-all">
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<tr>
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<td align="left" height="30" width="34%">
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<a class="lamLogo" href="http://www.ldap-account-manager.org/" target="new_window">
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LAM
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<?php
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if (isLAMProVersion()) {
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echo 'Pro ';
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}
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echo ' - ' . LAMVersion();
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?>
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</a>
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</td>
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<td align="center" height=30 width="34%">
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<span class="hide-for-small">
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<a href="http://www.ldap-account-manager.org/lamcms/lamPro"> <?php if (!isLAMProVersion()) { echo _("Want more features? Get LAM Pro!");} ?> </a>
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</span>
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</td>
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<td align="right" height=30 width="34%">
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<a class="margin-right5" href="./config/index.php"><IMG alt="configuration" src="../graphics/tools.png"> <span class="hide-for-small"><?php echo _("LAM configuration") ?></span></a>
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</td>
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</tr>
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</table>
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<br>
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<?php
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if (!empty($config_object)) {
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// check extensions
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$extList = getRequiredExtensions();
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foreach ($extList as $extension) {
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if (!extension_loaded($extension)) {
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StatusMessage("ERROR", "A required PHP extension is missing!", $extension);
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echo "<br>";
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}
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}
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// check TLS
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$useTLS = $config_object->getUseTLS();
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if (isset($useTLS) && ($useTLS == "yes")) {
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if (!function_exists('ldap_start_tls')) {
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StatusMessage("ERROR", "Your PHP installation does not support TLS encryption!");
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echo "<br>";
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}
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}
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}
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else {
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StatusMessage('WARN', _('Please enter the configuration and create a server profile.'));
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}
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// check if session expired
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if (isset($_GET['expired'])) {
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StatusMessage("ERROR", _("Your session expired, please log in again."));
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echo "<br>";
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}
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// check if main config was saved
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if (isset($_GET['confMainSavedOk'])) {
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StatusMessage("INFO", _("Your settings were successfully saved."));
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echo "<br>";
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}
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// check if a server profile was saved
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if (isset($_GET['configSaveOk'])) {
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StatusMessage("INFO", _("Your settings were successfully saved."), htmlspecialchars($_GET['configSaveFile']));
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echo "<br>";
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}
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elseif (isset($_GET['configSaveFailed'])) {
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StatusMessage("ERROR", _("Cannot open config file!"), htmlspecialchars($_GET['configSaveFile']));
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echo "<br>";
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}
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// check if self service was saved
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if (isset($_GET['selfserviceSaveOk'])) {
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StatusMessage("INFO", _("Your settings were successfully saved."), htmlspecialchars($_GET['selfserviceSaveOk']));
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echo "<br>";
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}
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if (isset($_GET['2factor']) && ($_GET['2factor'] == 'error')) {
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StatusMessage('ERROR', _("Unable to start 2-factor authentication."));
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echo "<br>";
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}
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elseif (isset($_GET['2factor']) && ($_GET['2factor'] == 'noToken')) {
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StatusMessage('ERROR', _("Unable to start 2-factor authentication because no tokens were found."));
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echo "<br>";
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}
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if (!empty($config_object)) {
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?>
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<br><br>
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<div class="centeredTable">
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<div class="roundedShadowBox limitWidth" style="position:relative; z-index:5;">
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<table border="0" rules="none" bgcolor="white" class="ui-corner-all">
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<tr>
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<td class="loginLogo hide-for-small" style="border-style:none" rowspan="3">
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</td>
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<td style="border-style:none">
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<form action="login.php" method="post">
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<?php
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$tabindex = 1;
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$row = new htmlResponsiveRow();
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$row->add(new htmlSpacer(null, '30px'), 0, 12, 12);
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// user name
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$row->addLabel(new htmlOutputText(_("User name")));
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if ($config_object->getLoginMethod() == LAMConfig::LOGIN_LIST) {
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$admins = $config_object->get_Admins();
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$adminList = array();
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foreach ($admins as $admin) {
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$text = explode(",", $admin);
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$text = explode("=", $text[0]);
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if (isset($text[1])) {
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$adminList[$text[1]] = $admin;
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}
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else {
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$adminList[$text[0]] = $admin;
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}
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}
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$selectedAdmin = array();
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if (isset($_POST['username']) && in_array($_POST['username'], $adminList)) {
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$selectedAdmin = array($_POST['username']);
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}
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$userSelect = new htmlSelect('username', $adminList, $selectedAdmin);
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$userSelect->setHasDescriptiveElements(true);
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$userSelect->setTransformSingleSelect(false);
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if (empty($_COOKIE['lam_login_name'])) {
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$userSelect->setCSSClasses(array('lam-initial-focus'));
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}
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$row->addField(new htmlDiv(null, $userSelect));
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}
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else {
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if ($config_object->getHttpAuthentication() == 'true') {
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$httpAuth = new htmlDiv(null, new htmlOutputText($_SERVER['PHP_AUTH_USER'] . ' ', false));
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$httpAuth->setCSSClasses(array('text-left', 'margin3'));
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$row->addField($httpAuth);
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}
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else {
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$user = '';
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if (isset($_COOKIE["lam_login_name"])) {
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$user = $_COOKIE["lam_login_name"];
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}
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$userNameInput = new htmlInputField('username', $user);
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if (empty($_COOKIE['lam_login_name'])) {
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$userNameInput->setCSSClasses(array('lam-initial-focus'));
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}
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$userInput = new htmlDiv(null, $userNameInput);
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$row->addField($userInput);
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}
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}
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// password
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$row->addLabel(new \htmlOutputText(_("Password")));
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if (($config_object->getLoginMethod() == LAMConfig::LOGIN_SEARCH) && ($config_object->getHttpAuthentication() == 'true')) {
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$passwordInputFake = new htmlDiv(null, new htmlOutputText('**********'));
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$passwordInputFake->setCSSClasses(array('text-left', 'margin3'));
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$row->addField($passwordInputFake);
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}
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else {
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$passwordInput = new htmlInputField('passwd');
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$passwordInput->setIsPassword(true);
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if (($config_object->getLoginMethod() == LAMConfig::LOGIN_SEARCH) && !empty($_COOKIE['lam_login_name'])) {
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$passwordInput->setCSSClasses(array('lam-initial-focus'));
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}
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$row->addField($passwordInput);
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}
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// language
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$row->addLabel(new htmlOutputText(_("Language")));
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$possibleLanguages = getLanguages();
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$languageList = array();
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$defaultLanguage = array();
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foreach ($possibleLanguages as $lang) {
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$languageList[$lang->description] = $lang->code;
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if (strpos(trim($_SESSION["language"]), $lang->code) === 0) {
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$defaultLanguage[] = $lang->code;
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}
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}
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$languageSelect = new htmlSelect('language', $languageList, $defaultLanguage);
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$languageSelect->setHasDescriptiveElements(true);
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$row->addField($languageSelect, true);
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// remember login user
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if (($config_object->getLoginMethod() == LAMConfig::LOGIN_SEARCH) && !($config_object->getHttpAuthentication() == 'true')) {
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$row->add(new htmlOutputText(' ', false), 0, 6, 6);
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$rememberGroup = new htmlGroup();
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$doRemember = false;
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if (isset($_COOKIE["lam_login_name"])) {
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$doRemember = true;
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}
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$rememberGroup->addElement(new htmlInputCheckbox('rememberLogin', $doRemember));
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$rememberGroup->addElement(new htmlSpacer('1px', null));
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$rememberGroup->addElement(new htmlOutputText(_('Remember user name')));
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$rememberDiv = new htmlDiv(null, $rememberGroup);
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$rememberDiv->setCSSClasses(array('text-left', 'margin3'));
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$row->add($rememberDiv, 12, 6, 6);
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}
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// login button
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$row->add(new htmlSpacer(null, '20px'), 12);
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$row->add(new htmlButton('checklogin', _("Login")), 12);
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// error message
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if(!empty($error_message)) {
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$row->add(new \htmlSpacer(null, '5px'), 12);
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$message = new htmlStatusMessage('ERROR', $error_message);
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$message->colspan = 3;
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$row->add($message, 12);
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}
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parseHtml(null, $row, array(), false, $tabindex, 'user');
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?>
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</form>
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</td>
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<td class="loginRightBox hide-for-small" style="border-style:none">
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</td>
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</tr>
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<tr>
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<td colspan="2" style="border-style:none;">
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<hr class="margin20">
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</td>
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</tr>
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<tr>
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<td style="border-style:none;">
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<form action="login.php" method="post">
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<?php
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$row = new htmlResponsiveRow();
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$row->addLabel(new htmlOutputText(_("LDAP server")));
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$serverUrl = new htmlOutputText($config_object->getServerDisplayNameGUI());
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$serverUrlDiv = new htmlDiv(null, $serverUrl);
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$serverUrlDiv->setCSSClasses(array('text-left', 'margin3'));
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$row->addField($serverUrlDiv);
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$row->addLabel(new htmlOutputText(_("Server profile")));
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$profileSelect = new htmlSelect('profile', $profiles, array($_SESSION['config']->getName()));
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$profileSelect->setOnchangeEvent('loginProfileChanged(this)');
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$row->addField($profileSelect);
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parseHtml(null, $row, array(), true, $tabindex, 'user');
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?>
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</form>
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</td>
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<td class="loginRightBox hide-for-small" style="border-style:none">
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</td>
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</tr>
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</table>
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</div>
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</div>
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<?php
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}
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?>
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<br><br>
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<?PHP
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if (isLAMProVersion() && $licenseValidator->isExpiringSoon()) {
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$licenseMessage = sprintf(_('Your licence expires on %s. You need to purchase a new licence to be able to use LAM Pro after this date.'), $licenseValidator->getLicense()->getExpirationDate()->format('Y-m-d'));
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StatusMessage('WARN', $licenseMessage);
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}
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?>
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<br><br>
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</body>
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</html>
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<?php
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}
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// checking if the submitted username/password is correct.
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if(isset($_POST['checklogin'])) {
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include_once(__DIR__ . "/../lib/ldap.inc"); // Include ldap.php which provides Ldap class
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$_SESSION['ldap'] = new Ldap($_SESSION['config']); // Create new Ldap object
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$clientSource = $_SERVER['REMOTE_ADDR'];
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if (isset($_SERVER['REMOTE_HOST'])) {
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$clientSource .= '/' . $_SERVER['REMOTE_HOST'];
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}
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if (($_SESSION['config']->getLoginMethod() == LAMConfig::LOGIN_SEARCH) && ($_SESSION['config']->getHttpAuthentication() == 'true')) {
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$username = $_SERVER['PHP_AUTH_USER'];
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$password = $_SERVER['PHP_AUTH_PW'];
|
|
}
|
|
else {
|
|
if (isset($_POST['rememberLogin']) && ($_POST['rememberLogin'] == 'on')) {
|
|
setcookie('lam_login_name', $_POST['username'], time() + 60*60*24*365, '/', null, null, true);
|
|
}
|
|
else if (isset($_COOKIE['lam_login_name']) && ($_SESSION['config']->getLoginMethod() == LAMConfig::LOGIN_SEARCH)) {
|
|
setcookie('lam_login_name', '', time() + 60*60*24*365, '/', null, null, true);
|
|
}
|
|
if($_POST['passwd'] == "") {
|
|
logNewMessage(LOG_DEBUG, "Empty password for login");
|
|
$error_message = _("Empty password submitted. Please try again.");
|
|
display_LoginPage($licenseValidator, $error_message); // Empty password submitted. Return to login page.
|
|
exit();
|
|
}
|
|
$username = $_POST['username'];
|
|
$password = $_POST['passwd'];
|
|
}
|
|
// search user in LDAP if needed
|
|
if ($_SESSION['config']->getLoginMethod() == LAMConfig::LOGIN_SEARCH) {
|
|
$searchFilter = $_SESSION['config']->getLoginSearchFilter();
|
|
$searchFilter = str_replace('%USER%', $username ,$searchFilter);
|
|
$searchDN = '';
|
|
$searchPassword = '';
|
|
$configLoginSearchDn = $_SESSION['config']->getLoginSearchDN();
|
|
if (!empty($configLoginSearchDn)) {
|
|
$searchDN = $configLoginSearchDn;
|
|
$searchPassword = $_SESSION['config']->getLoginSearchPassword();
|
|
}
|
|
$searchSuccess = true;
|
|
$searchError = '';
|
|
$searchLDAP = new Ldap($_SESSION['config']);
|
|
$searchLDAPResult = $searchLDAP->connect($searchDN, $searchPassword, true);
|
|
if (! ($searchLDAPResult == 0)) {
|
|
$searchSuccess = false;
|
|
$searchError = _('Cannot connect to specified LDAP server. Please try again.') . ' ' . getDefaultLDAPErrorString($searchLDAP->server());
|
|
}
|
|
else {
|
|
$searchResult = ldap_search($searchLDAP->server(), $_SESSION['config']->getLoginSearchSuffix(), $searchFilter, array('dn'), 0, 0, 0, LDAP_DEREF_NEVER);
|
|
if ($searchResult) {
|
|
$searchInfo = ldap_get_entries($searchLDAP->server(), $searchResult);
|
|
if ($searchInfo) {
|
|
cleanLDAPResult($searchInfo);
|
|
if (sizeof($searchInfo) == 0) {
|
|
$searchSuccess = false;
|
|
$searchError = _('Wrong password/user name combination. Please try again.');
|
|
}
|
|
elseif (sizeof($searchInfo) > 1) {
|
|
$searchSuccess = false;
|
|
$searchError = _('The given user name matches multiple LDAP entries.');
|
|
}
|
|
else {
|
|
$username = $searchInfo[0]['dn'];
|
|
}
|
|
}
|
|
else {
|
|
$searchSuccess = false;
|
|
$searchError = _('Unable to find the user name in LDAP.');
|
|
if (ldap_errno($searchLDAP->server()) != 0) $searchError .= ' ' . getDefaultLDAPErrorString($searchLDAP->server());
|
|
}
|
|
}
|
|
else {
|
|
$searchSuccess = false;
|
|
$searchError = _('Unable to find the user name in LDAP.');
|
|
if (ldap_errno($searchLDAP->server()) != 0) $searchError .= ' ' . getDefaultLDAPErrorString($searchLDAP->server());
|
|
}
|
|
}
|
|
if (!$searchSuccess) {
|
|
$error_message = $searchError;
|
|
logNewMessage(LOG_ERR, 'User ' . $username . ' (' . $clientSource . ') failed to log in. ' . $searchError . '');
|
|
$searchLDAP->close();
|
|
display_LoginPage($licenseValidator, $error_message);
|
|
exit();
|
|
}
|
|
$searchLDAP->close();
|
|
}
|
|
// try to connect to LDAP
|
|
$result = $_SESSION['ldap']->connect($username, $password); // Connect to LDAP server for verifing username/password
|
|
if($result === 0) {// Username/password correct. Do some configuration and load main frame.
|
|
$_SESSION['loggedIn'] = true;
|
|
// set security settings for session
|
|
$_SESSION['sec_session_id'] = session_id();
|
|
$_SESSION['sec_client_ip'] = $_SERVER['REMOTE_ADDR'];
|
|
$_SESSION['sec_sessionTime'] = time();
|
|
addSecurityTokenToSession();
|
|
// logging
|
|
logNewMessage(LOG_NOTICE, 'User ' . $username . ' (' . $clientSource . ') successfully logged in.');
|
|
// Load main frame or 2 factor page
|
|
if ($_SESSION['config']->getTwoFactorAuthentication() == TwoFactorProviderService::TWO_FACTOR_NONE) {
|
|
metaRefresh("./main.php");
|
|
}
|
|
else {
|
|
$_SESSION['2factorRequired'] = true;
|
|
if (($_SESSION['config']->getLoginMethod() == LAMConfig::LOGIN_SEARCH) && ($_SESSION['config']->getHttpAuthentication() == 'true')) {
|
|
$_SESSION['user2factor'] = $_SERVER['PHP_AUTH_USER'];
|
|
}
|
|
else {
|
|
$_SESSION['user2factor'] = $_POST['username'];
|
|
}
|
|
metaRefresh("./login2Factor.php");
|
|
}
|
|
die();
|
|
}
|
|
else {
|
|
if ($result === False) {
|
|
// connection failed
|
|
$error_message = _("Cannot connect to specified LDAP server. Please try again.");
|
|
logNewMessage(LOG_ERR, 'User ' . $username . ' (' . $clientSource . ') failed to log in (LDAP error: ' . ldap_err2str($result) . ').');
|
|
}
|
|
elseif ($result == 81) {
|
|
// connection failed
|
|
$error_message = _("Cannot connect to specified LDAP server. Please try again.");
|
|
logNewMessage(LOG_ERR, 'User ' . $username . ' (' . $clientSource . ') failed to log in (LDAP error: ' . ldap_err2str($result) . ').');
|
|
}
|
|
elseif ($result == 49) {
|
|
// user name/password invalid. Return to login page.
|
|
$error_message = _("Wrong password/user name combination. Please try again.");
|
|
logNewMessage(LOG_ERR, 'User ' . $username . ' (' . $clientSource . ') failed to log in (wrong password).');
|
|
}
|
|
else {
|
|
// other errors
|
|
$error_message = _("LDAP error, server says:") . "\n<br>($result) " . ldap_err2str($result);
|
|
logNewMessage(LOG_ERR, 'User ' . $username . ' (' . $clientSource . ') failed to log in (LDAP error: ' . ldap_err2str($result) . ').');
|
|
}
|
|
display_LoginPage($licenseValidator, $error_message);
|
|
exit();
|
|
}
|
|
}
|
|
|
|
//displays the login window
|
|
display_LoginPage($licenseValidator, $error_message);
|
|
?>
|