LDAPAccountManager/lam/templates/login.php

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PHP
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2014-07-15 18:21:39 +00:00
<?php
/*
$Id$
This code is part of LDAP Account Manager (http://www.ldap-account-manager.org/)
Copyright (C) 2003 - 2006 Michael Duergner
2005 - 2014 Roland Gruber
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
/**
* Login form of LDAP Account Manager.
*
* @author Michael Duergner
* @author Roland Gruber
* @package main
*/
/** status messages */
include_once("../lib/status.inc");
/** check environment */
include '../lib/checkEnvironment.inc';
/** security functions */
include_once("../lib/security.inc");
/** self service functions */
include_once("../lib/selfService.inc");
/** access to configuration options */
include_once("../lib/config.inc"); // Include config.inc which provides Config class
/** Upgrade functions */
include_once("../lib/upgrade.inc");
// set session save path
if (strtolower(session_module_name()) == 'files') {
session_save_path(dirname(__FILE__) . '/../sess');
}
// start empty session and change ID for security reasons
session_start();
session_destroy();
session_start();
session_regenerate_id(true);
$profiles = getConfigProfiles();
// save last selected login profile
if (isset($_GET['useProfile'])) {
if (in_array($_GET['useProfile'], $profiles)) {
setcookie("lam_default_profile", $_GET['useProfile'], time() + 365*60*60*24);
}
else {
unset($_GET['useProfile']);
}
}
// save last selected language
if (isset($_POST['language'])) {
setcookie('lam_last_language', htmlspecialchars($_POST['language']), time() + 365*60*60*24);
}
// init some session variables
$default_Config = new LAMCfgMain();
$_SESSION["cfgMain"] = $default_Config;
setSSLCaCert();
$default_Profile = $default_Config->default;
if(isset($_COOKIE["lam_default_profile"]) && in_array($_COOKIE["lam_default_profile"], $profiles)) {
$default_Profile = $_COOKIE["lam_default_profile"];
}
// Reload loginpage after a profile change
if(isset($_GET['useProfile']) && in_array($_GET['useProfile'], $profiles)) {
logNewMessage(LOG_DEBUG, "Change server profile to " . $_GET['useProfile']);
$_SESSION['config'] = new LAMConfig($_GET['useProfile']); // Recreate the config object with the submited
}
// Load login page
elseif (!empty($default_Profile) && in_array($default_Profile, $profiles)) {
$_SESSION["config"] = new LAMConfig($default_Profile); // Create new Config object
}
else if (sizeof($profiles) > 0) {
// use first profile as fallback
$_SESSION["config"] = new LAMConfig($profiles[0]);
}
else {
$_SESSION["config"] = null;
}
if (!isset($default_Config->default) || !in_array($default_Config->default, $profiles)) {
$error_message = _('No default profile set. Please set it in the server profile configuration.');
}
$possibleLanguages = getLanguages();
$encoding = 'UTF-8';
if (isset($_COOKIE['lam_last_language'])) {
foreach ($possibleLanguages as $lang) {
if (strpos($_COOKIE['lam_last_language'], $lang->code) === 0) {
$_SESSION['language'] = $lang->code;
$encoding = $lang->encoding;
break;
}
}
}
elseif (!empty($_SESSION["config"])) {
$defaultLang = $_SESSION["config"]->get_defaultLanguage();
foreach ($possibleLanguages as $lang) {
if (strpos($defaultLang, $lang->code) === 0) {
$_SESSION['language'] = $lang->code;
$encoding = $lang->encoding;
break;
}
}
}
else {
$_SESSION['language'] = 'en_GB.utf8';
}
if (isset($_POST['language'])) {
foreach ($possibleLanguages as $lang) {
if (strpos($_POST['language'], $lang->code) === 0) {
$_SESSION['language'] = $lang->code;
$encoding = $lang->encoding;
break;
}
}
}
$_SESSION['header'] = "<!DOCTYPE HTML PUBLIC \"-//W3C//DTD HTML 4.01 Transitional//EN\" \"http://www.w3.org/TR/html4/loose.dtd\">\n\n";
$_SESSION['header'] .= "<html>\n<head>\n";
$_SESSION['header'] .= "<meta http-equiv=\"content-type\" content=\"text/html; charset=" . $encoding . "\">\n";
$_SESSION['header'] .= "<meta http-equiv=\"pragma\" content=\"no-cache\">\n <meta http-equiv=\"cache-control\" content=\"no-cache\">";
/**
* Displays the login window.
*
* @param LAMConfig $config_object current active configuration
* @param LAMCfgMain $cfgMain main configuration
*/
function display_LoginPage($config_object, $cfgMain) {
logNewMessage(LOG_DEBUG, "Display login page");
global $error_message;
// generate 256 bit key and initialization vector for user/passwd-encryption
// check if we can use /dev/urandom otherwise use rand()
if(function_exists('mcrypt_create_iv') && ($cfgMain->encryptSession == 'true')) {
$key = @mcrypt_create_iv(32, MCRYPT_DEV_URANDOM);
if (! $key) {
srand((double)microtime()*1234567);
$key = mcrypt_create_iv(32, MCRYPT_RAND);
}
$iv = @mcrypt_create_iv(32, MCRYPT_DEV_URANDOM);
if (! $iv) {
srand((double)microtime()*1234567);
$iv = mcrypt_create_iv(32, MCRYPT_RAND);
}
// save both in cookie
setcookie("Key", base64_encode($key), 0, "/");
setcookie("IV", base64_encode($iv), 0, "/");
}
$profiles = getConfigProfiles();
setlanguage(); // setting correct language
echo $_SESSION["header"];
?>
<title>LDAP Account Manager</title>
<?php
// include all CSS files
$cssDirName = dirname(__FILE__) . '/../style';
$cssDir = dir($cssDirName);
$cssFiles = array();
$cssEntry = $cssDir->read();
while ($cssEntry !== false) {
if (substr($cssEntry, strlen($cssEntry) - 4, 4) == '.css') {
$cssFiles[] = $cssEntry;
}
$cssEntry = $cssDir->read();
}
sort($cssFiles);
foreach ($cssFiles as $cssEntry) {
echo "<link rel=\"stylesheet\" type=\"text/css\" href=\"../style/" . $cssEntry . "\">\n";
}
?>
<link rel="shortcut icon" type="image/x-icon" href="../graphics/favicon.ico">
</head>
<body onload="focusLogin()">
<?php
// include all JavaScript files
$jsDirName = dirname(__FILE__) . '/lib';
$jsDir = dir($jsDirName);
$jsFiles = array();
while ($jsEntry = $jsDir->read()) {
if (substr($jsEntry, strlen($jsEntry) - 3, 3) != '.js') continue;
$jsFiles[] = $jsEntry;
}
sort($jsFiles);
foreach ($jsFiles as $jsEntry) {
echo "<script type=\"text/javascript\" src=\"lib/" . $jsEntry . "\"></script>\n";
}
// upgrade if pdf/profiles contain single files
if (containsFiles('../config/profiles') || containsFiles('../config/pdf')) {
$result = testPermissions();
if (sizeof($result) > 0) {
StatusMessage('ERROR', 'Unable to migrate configuration files. Please allow write access to these paths:', implode('<br>', $result));
}
else {
upgradeConfigToServerProfileFolders($profiles);
StatusMessage('INFO', 'Config file migration finished.');
}
}
// copy any missing default profiles
copyConfigTemplates($profiles);
// set focus on password field
if (!empty($config_object)) {
echo "<script type=\"text/javascript\" language=\"javascript\">\n";
echo "<!--\n";
echo "function focusLogin() {\n";
if (($config_object->getLoginMethod() == LAMConfig::LOGIN_LIST) || isset($_COOKIE['lam_login_name'])) {
echo "myElement = document.getElementsByName('passwd')[0];\n";
echo "myElement.focus();\n";
}
else {
echo "myElement = document.getElementsByName('username')[0];\n";
echo "myElement.focus();\n";
}
echo "}\n";
?>
jQuery(document).ready(function() {
jQuery('#loginButton').button();
});
<?php
echo "//-->\n";
echo "</script>\n";
}
?>
<script type="text/javascript">
jQuery(document).ready(function() {
var equalWidthElements = new Array('#username', '#passwd', '#language');
equalWidth(equalWidthElements);
});
</script>
<table border=0 width="100%" class="lamHeader ui-corner-all">
<tr>
<td align="left" height="30">
<a class="lamLogo" href="http://www.ldap-account-manager.org/" target="new_window">LDAP Account Manager</a>
</td>
<td align="right" height=20>
<a href="./config/index.php"><IMG alt="configuration" src="../graphics/tools.png">&nbsp;<?php echo _("LAM configuration") ?></a>
</td>
</tr>
</table>
<br><br>
<?php
if (!empty($config_object)) {
// check extensions
$extList = getRequiredExtensions();
for ($i = 0; $i < sizeof($extList); $i++) {
if (!extension_loaded($extList[$i])) {
StatusMessage("ERROR", "A required PHP extension is missing!", $extList[$i]);
echo "<br>";
}
}
// check TLS
$useTLS = $config_object->getUseTLS();
if (isset($useTLS) && ($useTLS == "yes")) {
if (!function_exists('ldap_start_tls')) {
StatusMessage("ERROR", "Your PHP installation does not support TLS encryption!");
echo "<br>";
}
}
}
else {
StatusMessage('WARN', _('Please enter the configuration and create a server profile.'));
}
// check if session expired
if (isset($_GET['expired'])) {
StatusMessage("ERROR", _("Your session expired, please log in again."));
echo "<br>";
}
// check if main config was saved
if (isset($_GET['confMainSavedOk'])) {
StatusMessage("INFO", _("Your settings were successfully saved."));
echo "<br>";
}
// check if a server profile was saved
if (isset($_GET['configSaveOk'])) {
StatusMessage("INFO", _("Your settings were successfully saved."), htmlspecialchars($_GET['configSaveFile']));
echo "<br>";
}
elseif (isset($_GET['configSaveFailed'])) {
StatusMessage("ERROR", _("Cannot open config file!"), htmlspecialchars($_GET['configSaveFile']));
echo "<br>";
}
// check if self service was saved
if (isset($_GET['selfserviceSaveOk'])) {
StatusMessage("INFO", _("Your settings were successfully saved."), htmlspecialchars($_GET['selfserviceSaveOk']));
echo "<br>";
}
if (!empty($config_object)) {
?>
<br><br>
<div style="position:relative; z-index:5;">
<table align="center" border="2" rules="none" bgcolor="white" class="ui-corner-all">
<tr>
<td class="loginLogo" style="border-style:none" rowspan="2">
</td>
<td style="border-style:none" width="580px">
<form action="login.php" method="post">
<?php
$table = new htmlTable('580px');
$spacer = new htmlSpacer(null, '30px');
$spacer->colspan = 3;
$table->addElement($spacer, true);
// user name
$userLabel = new htmlOutputText(_("User name"));
$userLabel->alignment = htmlElement::ALIGN_RIGHT;
$table->addElement($userLabel);
$gap = new htmlSpacer('5px', '30px');
$table->addElement($gap);
if ($config_object->getLoginMethod() == LAMConfig::LOGIN_LIST) {
$admins = $config_object->get_Admins();
$adminList = array();
for($i = 0; $i < count($admins); $i++) {
$text = explode(",", $admins[$i]);
$text = explode("=", $text[0]);
if (isset($text[1])) {
$adminList[$text[1]] = $admins[$i];
}
else {
$adminList[$text[0]] = $admins[$i];
}
}
$selectedAdmin = array();
if (isset($_POST['username']) && in_array($_POST['username'], $adminList)) {
$selectedAdmin = array($_POST['username']);
}
$userSelect = new htmlSelect('username', $adminList, $selectedAdmin);
$userSelect->setHasDescriptiveElements(true);
$userSelect->alignment = htmlElement::ALIGN_LEFT;
$table->addElement($userSelect);
}
else {
if ($config_object->getHttpAuthentication() == 'true') {
$httpAuth = new htmlOutputText($_SERVER['PHP_AUTH_USER']);
$httpAuth->alignment = htmlElement::ALIGN_LEFT;
$table->addElement($httpAuth);
}
else {
$user = '';
if (isset($_COOKIE["lam_login_name"])) {
$user = $_COOKIE["lam_login_name"];
}
$userInput = new htmlInputField('username', $user);
$userInput->alignment = htmlElement::ALIGN_LEFT;
$table->addElement($userInput);
}
}
$table->addNewLine();
// password
$passwordLabel = new htmlOutputText(_("Password"));
$passwordLabel->alignment = htmlElement::ALIGN_RIGHT;
$table->addElement($passwordLabel);
$table->addElement($gap);
if (($config_object->getLoginMethod() == LAMConfig::LOGIN_SEARCH) && ($config_object->getHttpAuthentication() == 'true')) {
$passwordInputFake = new htmlOutputText('**********');
$passwordInputFake->alignment = htmlElement::ALIGN_LEFT;
$table->addElement($passwordInputFake);
}
else {
$passwordInput = new htmlInputField('passwd');
$passwordInput->alignment = htmlElement::ALIGN_LEFT;
$passwordInput->setIsPassword(true);
$passwordInput->setFieldSize('20px');
$table->addElement($passwordInput);
}
$table->addNewLine();
// language
$languageLabel = new htmlOutputText(_("Language"));
$languageLabel->alignment = htmlElement::ALIGN_RIGHT;
$table->addElement($languageLabel);
$table->addElement($gap);
$possibleLanguages = getLanguages();
$languageList = array();
$defaultLanguage = array();
foreach ($possibleLanguages as $lang) {
$languageList[$lang->description] = $lang->code;
if (strpos(trim($_SESSION["language"]), $lang->code) === 0) {
$defaultLanguage[] = $lang->code;
}
}
$languageSelect = new htmlSelect('language', $languageList, $defaultLanguage);
$languageSelect->setHasDescriptiveElements(true);
$languageSelect->alignment = htmlElement::ALIGN_LEFT;
$table->addElement($languageSelect, true);
// remember login user
if (($config_object->getLoginMethod() == LAMConfig::LOGIN_SEARCH) && !($config_object->getHttpAuthentication() == 'true')) {
$rememberLabel = new htmlOutputText('');
$rememberLabel->alignment = htmlElement::ALIGN_RIGHT;
$table->addElement($rememberLabel);
$table->addElement($gap);
$rememberGroup = new htmlGroup();
$doRemember = false;
if (isset($_COOKIE["lam_login_name"])) {
$doRemember = true;
}
$rememberGroup->addElement(new htmlInputCheckbox('rememberLogin', $doRemember));
$rememberGroup->addElement(new htmlSpacer('1px', null));
$rememberGroup->addElement(new htmlOutputText(_('Remember user name')));
$table->addElement($rememberGroup, true);
}
// login button
$table->addElement(new htmlSpacer(null, '35px'));
$table->addElement(new htmlHiddenInput('checklogin', 'checklogin'));
$loginButton = new htmlButton('submit', _("Login"));
$loginButton->alignment = htmlElement::ALIGN_LEFT;
$table->addElement($loginButton, true);
// error message
if($error_message != "") {
$message = new htmlStatusMessage('ERROR', $error_message);
$message->colspan = 3;
$table->addElement($message, true);
}
$tabindex = 1;
parseHtml(null, $table, array(), false, $tabindex, 'user');
?>
</form>
</td>
</tr>
<tr>
<td align="left" style="border-style:none">
<form action="login.php" method="post">
<?php
$table = new htmlTable('580px');
$line = new htmlHorizontalLine();
$line->colspan = 2;
$table->addElement($line, true);
$subTable = new htmlTable();
$subTable->alignment = htmlElement::ALIGN_LEFT;
// LDAP server
$serverLabel = new htmlOutputText(_("LDAP server"));
$serverLabel->alignment = htmlElement::ALIGN_RIGHT;
$subTable->addElement($serverLabel);
$subTable->addElement($gap);
$serverName = new htmlOutputText($config_object->get_ServerURL());
$serverName->alignment = htmlElement::ALIGN_LEFT;
$subTable->addElement($serverName, true);
// server profile
$profileLabel = new htmlOutputText(_("Server profile"));
$profileLabel->alignment = htmlElement::ALIGN_RIGHT;
$subTable->addElement($profileLabel);
$subTable->addElement($gap);
$profileSelect = new htmlSelect('profile', $profiles, array($_SESSION['config']->getName()));
$profileSelect->alignment = htmlElement::ALIGN_LEFT;
$profileSelect->setOnchangeEvent('loginProfileChanged(this)');
$subTable->addElement($profileSelect, true);
$subTable->addElement(new htmlSpacer(null, '10px'));
$table->addElement($subTable);
parseHtml(null, $table, array(), true, $tabindex, 'user');
?>
</form>
</td>
</tr>
</table>
</div>
<?php
}
?>
<br><br>
<TABLE style="position:absolute; bottom:10px;" border="0" width="99%">
<tr><td colspan=2><HR></td></tr>
<TR>
<td align="left">
<?PHP
if (!isLAMProVersion()) {
echo "<a href=\"http://www.ldap-account-manager.org/lamcms/lamPro\">" . _("Want more features? Get LAM Pro!") . "</a>";
}
?>
</td>
<TD align="right">
<SMALL>
<?php
if (isLAMProVersion()) {
echo "LDAP Account Manager Pro - " . LAMVersion() . "&nbsp;&nbsp;&nbsp;";
logNewMessage(LOG_DEBUG, "LAM Pro " . LAMVersion());
}
else {
echo "LDAP Account Manager - " . LAMVersion() . "&nbsp;&nbsp;&nbsp;";
logNewMessage(LOG_DEBUG, "LAM " . LAMVersion());
}
?>
</SMALL>
</TD></TR>
</TABLE>
</body>
</html>
<?php
}
// checking if the submitted username/password is correct.
if(!empty($_POST['checklogin'])) {
include_once("../lib/ldap.inc"); // Include ldap.php which provides Ldap class
$_SESSION['ldap'] = new Ldap($_SESSION['config']); // Create new Ldap object
$clientSource = $_SERVER['REMOTE_ADDR'];
if (isset($_SERVER['REMOTE_HOST'])) {
$clientSource .= '/' . $_SERVER['REMOTE_HOST'];
}
if (($_SESSION['config']->getLoginMethod() == LAMConfig::LOGIN_SEARCH) && ($_SESSION['config']->getHttpAuthentication() == 'true')) {
$username = $_SERVER['PHP_AUTH_USER'];
$password = $_SERVER['PHP_AUTH_PW'];
}
else {
if (isset($_POST['rememberLogin']) && ($_POST['rememberLogin'] == 'on')) {
setcookie('lam_login_name', $_POST['username'], time() + 60*60*24*365);
}
else if (isset($_COOKIE['lam_login_name']) && ($_SESSION['config']->getLoginMethod() == LAMConfig::LOGIN_SEARCH)) {
setcookie('lam_login_name', '', time() + 60*60*24*365);
}
if($_POST['passwd'] == "") {
logNewMessage(LOG_DEBUG, "Empty password for login");
$error_message = _("Empty password submitted. Please try again.");
display_LoginPage($_SESSION['config'], $_SESSION["cfgMain"]); // Empty password submitted. Return to login page.
exit();
}
if (get_magic_quotes_gpc() == 1) {
$_POST['passwd'] = stripslashes($_POST['passwd']);
}
$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 = '';
$searchPassword = '';
if (($_SESSION['config']->getLoginSearchDN() != null) && ($_SESSION['config']->getLoginSearchDN() != '')) {
$searchDN = $_SESSION['config']->getLoginSearchDN();
$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 . '');
$searchLDAP->close();
display_LoginPage($_SESSION['config'], $_SESSION["cfgMain"]);
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();
// logging
logNewMessage(LOG_NOTICE, 'User ' . $username . ' (' . $clientSource . ') successfully logged in.');
// Load main frame
metaRefresh("./main.php");
die();
}
else {
if ($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($_SESSION['config'], $_SESSION["cfgMain"]);
exit();
}
}
//displays the login window
display_LoginPage($_SESSION["config"], $_SESSION["cfgMain"]);
?>