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index.php
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index.php
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<?php
/**
*
* This file is part of HESK - PHP Help Desk Software.
*
* (c) Copyright Klemen Stirn. All rights reserved.
* https://www.hesk.com
*
* For the full copyright and license agreement information visit
* https://www.hesk.com/eula.php
*
*/
define('IN_SCRIPT', 1);
define('HESK_PATH', '../');
define('PAGE_TITLE', 'LOGIN');
/* Get all the required files and functions */
require(HESK_PATH . 'hesk_settings.inc.php');
require(HESK_PATH . 'inc/common.inc.php');
require(HESK_PATH . 'inc/admin_functions.inc.php');
hesk_load_database_functions();
hesk_session_start();
hesk_dbConnect();
$modsForHesk_settings = mfh_getSettings();
/* What should we do? */
$action = hesk_REQUEST('a');
switch ($action) {
case 'do_login':
do_login();
break;
case 'login':
print_login();
break;
case 'logout':
logout();
break;
default:
hesk_autoLogin();
print_login();
}
exit();
/*** START FUNCTIONS ***/
function do_login()
{
global $hesk_settings, $hesklang, $modsForHesk_settings;
$hesk_error_buffer = array();
$user = hesk_input(hesk_POST('user'));
if (empty($user)) {
$myerror = $hesk_settings['list_users'] ? $hesklang['select_username'] : $hesklang['enter_username'];
$hesk_error_buffer['user'] = $myerror;
}
define('HESK_USER', $user);
$pass = hesk_input(hesk_POST('pass'));
if (empty($pass)) {
$hesk_error_buffer['pass'] = $hesklang['enter_pass'];
}
if ($hesk_settings['secimg_use'] == 2 && !isset($_SESSION['img_a_verified'])) {
// Using ReCaptcha?
if ($hesk_settings['recaptcha_use'] == 1) {
require_once(HESK_PATH . 'inc/recaptcha/recaptchalib.php');
$resp = recaptcha_check_answer($hesk_settings['recaptcha_private_key'],
$_SERVER['REMOTE_ADDR'],
hesk_POST('recaptcha_challenge_field', ''),
hesk_POST('recaptcha_response_field', '')
);
if ($resp->is_valid) {
$_SESSION['img_a_verified'] = true;
} else {
$hesk_error_buffer['mysecnum'] = $hesklang['recaptcha_error'];
}
} // Using ReCaptcha API v2?
elseif ($hesk_settings['recaptcha_use'] == 2) {
require(HESK_PATH . 'inc/recaptcha/recaptchalib_v2.php');
$resp = null;
$reCaptcha = new ReCaptcha($hesk_settings['recaptcha_private_key']);
// Was there a reCAPTCHA response?
if (isset($_POST["g-recaptcha-response"])) {
$resp = $reCaptcha->verifyResponse($_SERVER["REMOTE_ADDR"], hesk_POST("g-recaptcha-response"));
}
if ($resp != null && $resp->success) {
$_SESSION['img_a_verified'] = true;
} else {
$hesk_error_buffer['mysecnum'] = $hesklang['recaptcha_error'];
}
} // Using PHP generated image
else {
$mysecnum = intval(hesk_POST('mysecnum', 0));
if (empty($mysecnum)) {
$hesk_error_buffer['mysecnum'] = $hesklang['sec_miss'];
} else {
require(HESK_PATH . 'inc/secimg.inc.php');
$sc = new PJ_SecurityImage($hesk_settings['secimg_sum']);
if (isset($_SESSION['checksum']) && $sc->checkCode($mysecnum, $_SESSION['checksum'])) {
$_SESSION['img_a_verified'] = true;
} else {
$hesk_error_buffer['mysecnum'] = $hesklang['sec_wrng'];
}
}
}
}
/* Any missing fields? */
if (count($hesk_error_buffer) != 0) {
$_SESSION['a_iserror'] = array_keys($hesk_error_buffer);
$tmp = '';
foreach ($hesk_error_buffer as $error) {
$tmp .= "<li>$error</li>\n";
}
$hesk_error_buffer = $tmp;
$hesk_error_buffer = $hesklang['pcer'] . '<br /><br /><ul>' . $hesk_error_buffer . '</ul>';
hesk_process_messages($hesk_error_buffer, 'NOREDIRECT');
print_login();
exit();
} elseif (isset($_SESSION['img_a_verified'])) {
unset($_SESSION['img_a_verified']);
}
/* User entered all required info, now lets limit brute force attempts */
hesk_limitBfAttempts();
$result = hesk_dbQuery("SELECT * FROM `" . hesk_dbEscape($hesk_settings['db_pfix']) . "users` WHERE `user` = '" . hesk_dbEscape($user) . "' LIMIT 1");
if (hesk_dbNumRows($result) != 1) {
hesk_session_stop();
$_SESSION['a_iserror'] = array('user', 'pass');
hesk_process_messages($hesklang['wrong_user'], 'NOREDIRECT');
print_login();
exit();
}
$res = hesk_dbFetchAssoc($result);
foreach ($res as $k => $v) {
$_SESSION[$k] = $v;
}
/* Check password */
if (hesk_Pass2Hash($pass) != $_SESSION['pass']) {
hesk_session_stop();
$_SESSION['a_iserror'] = array('pass');
hesk_process_messages($hesklang['wrong_pass'], 'NOREDIRECT');
print_login();
exit();
}
$pass_enc = hesk_Pass2Hash($_SESSION['pass'] . strtolower($user) . $_SESSION['pass']);
/* Check if default password */
if ($_SESSION['pass'] == '499d74967b28a841c98bb4baaabaad699ff3c079') {
hesk_process_messages($hesklang['chdp'], 'NOREDIRECT', 'NOTICE');
}
// Set a tag that will be used to expire sessions after username or password change
$_SESSION['session_verify'] = hesk_activeSessionCreateTag($user, $_SESSION['pass']);
// We don't need the password hash anymore
unset($_SESSION['pass']);
/* Login successful, clean brute force attempts */
hesk_cleanBfAttempts();
/* Make sure our user is active */
if (!$_SESSION['active']) {
hesk_session_stop();
$_SESSION['a_iserror'] = array('active');
hesk_process_messages($hesklang['inactive_user'], 'NOREDIRECT');
print_login();
exit();
}
/* Regenerate session ID (security) */
hesk_session_regenerate_id();
/* Remember username? */
if ($hesk_settings['autologin'] && hesk_POST('remember_user') == 'AUTOLOGIN') {
hesk_setcookie('hesk_username', "$user", strtotime('+1 year'));
hesk_setcookie('hesk_p', "$pass_enc", strtotime('+1 year'));
} elseif (hesk_POST('remember_user') == 'JUSTUSER') {
hesk_setcookie('hesk_username', "$user", strtotime('+1 year'));
hesk_setcookie('hesk_p', '');
} else {
// Expire cookie if set otherwise
hesk_setcookie('hesk_username', '');
hesk_setcookie('hesk_p', '');
}
/* Close any old tickets here so Cron jobs aren't necessary */
if ($hesk_settings['autoclose']) {
$revision = sprintf($hesklang['thist3'], hesk_date(), $hesklang['auto']);
$dt = date('Y-m-d H:i:s', time() - $hesk_settings['autoclose'] * 86400);
$closedStatusRs = hesk_dbQuery('SELECT `ID`, `Closable` FROM `' . hesk_dbEscape($hesk_settings['db_pfix']) . 'statuses` WHERE `IsDefaultStaffReplyStatus` = 1');
$closedStatus = hesk_dbFetchAssoc($closedStatusRs);
// Are we allowed to close tickets in this status?
if ($closedStatus['Closable'] == 'yes' || $closedStatus['Closable'] == 'sonly') {
// Notify customer of closed ticket?
if ($hesk_settings['notify_closed']) {
// Get list of tickets
$result = hesk_dbQuery("SELECT * FROM `" . $hesk_settings['db_pfix'] . "tickets` WHERE `status` = " . $closedStatus['ID'] . " AND `lastchange` <= '" . hesk_dbEscape($dt) . "' ");
if (hesk_dbNumRows($result) > 0) {
global $ticket;
// Load required functions?
if (!function_exists('hesk_notifyCustomer')) {
require(HESK_PATH . 'inc/email_functions.inc.php');
}
while ($ticket = hesk_dbFetchAssoc($result)) {
$ticket['dt'] = hesk_date($ticket['dt'], true);
$ticket['lastchange'] = hesk_date($ticket['lastchange'], true);
$ticket = hesk_ticketToPlain($ticket, 1, 0);
hesk_notifyCustomer($modsForHesk_settings, 'ticket_closed');
}
}
}
// Update ticket statuses and history in database if we're allowed to do so
$defaultCloseRs = hesk_dbQuery('SELECT `ID` FROM `' . hesk_dbEscape($hesk_settings['db_pfix']) . 'statuses` WHERE `IsAutocloseOption` = 1');
$defaultCloseStatus = hesk_dbFetchAssoc($defaultCloseRs);
hesk_dbQuery("UPDATE `" . $hesk_settings['db_pfix'] . "tickets` SET `status`=" . intval($defaultCloseStatus['ID']) . ", `closedat`=NOW(), `closedby`='-1', `history`=CONCAT(`history`,'" . hesk_dbEscape($revision) . "') WHERE `status` = '" . $closedStatus['ID'] . "' AND `lastchange` <= '" . hesk_dbEscape($dt) . "' ");
}
}
/* Redirect to the destination page */
header('Location: ' . hesk_verifyGoto());
exit();
} // End do_login()
function print_login()
{
global $hesk_settings, $hesklang;
// Tell header to load reCaptcha API if needed
if ($hesk_settings['recaptcha_use'] == 2)
{
define('RECAPTCHA',1);
}
$hesk_settings['tmp_title'] = $hesk_settings['hesk_title'] . ' - ' .$hesklang['admin_login'];
require_once(HESK_PATH . 'inc/headerAdmin.inc.php');
if ( hesk_isREQUEST('notice') )
{
hesk_process_messages($hesklang['session_expired'],'NOREDIRECT');
}
if (!isset($_SESSION['a_iserror']))
{
$_SESSION['a_iserror'] = array();
}
?>
<div class="login-box">
<div class="login-logo">
<?php echo $hesk_settings['hesk_title']; ?>
</div>
<div class="login-box-body">
<div class="loginError">
<?php
/* This will handle error, success and notice messages */
hesk_handle_messages();
?>
</div>
<h4 class="login-box-msg">
<?php echo $hesklang['staff_login_title']; ?>
</h4>
<form class="form-horizontal" role="form" action="index.php" method="post" name="form1">
<?php
$has_error = '';
if (in_array('pass',$_SESSION['a_iserror'])) {
$has_error = 'has-error';
}
?>
<div class="form-group <?php echo $has_error; ?>">
<label for="user" class="col-sm-4 control-label">
<?php echo $hesklang['username']; ?>
</label>
<div class="col-sm-8">
<?php
if (defined('HESK_USER')) {
$savedUser = HESK_USER;
} else {
$savedUser = hesk_htmlspecialchars(hesk_COOKIE('hesk_username'));
}
$is_1 = '';
$is_2 = '';
$is_3 = '';
$remember_user = hesk_POST('remember_user');
if ($hesk_settings['autologin'] && (isset($_COOKIE['hesk_p']) || $remember_user == 'AUTOLOGIN')) {
$is_1 = 'checked';
} elseif (isset($_COOKIE['hesk_username']) || $remember_user == 'JUSTUSER') {
$is_2 = 'checked';
} else {
$is_3 = 'checked';
}
if ($hesk_settings['list_users']) :
$res = hesk_dbQuery("SELECT `user` FROM `" . hesk_dbEscape($hesk_settings['db_pfix']) . "users` WHERE `active` = '1' ORDER BY `user` ASC");
?>
<select class="form-control" name="user">
<?php
while ($row = hesk_dbFetchAssoc($res)):
$sel = (strtolower($savedUser) == strtolower($row['user'])) ? 'selected' : '';
?>
<option value="<?php echo $row['user']; ?>" <?php echo $sel; ?>>
<?php echo $row['user']; ?>
</option>
<?php endwhile; ?>
</select>
<?php else: ?>
<input class="form-control" type="text" name="user" size="35"
placeholder="<?php echo htmlspecialchars($hesklang['username']); ?>"
value="<?php echo $savedUser; ?>">
<?php endif; ?>
</div>
</div>
<?php
$has_error = '';
if (in_array('pass',$_SESSION['a_iserror'])) {
$has_error = 'has-error';
}
?>
<div class="form-group <?php echo $has_error; ?>">
<label for="pass" class="col-sm-4 control-label">
<?php echo $hesklang['pass']; ?>
</label>
<div class="col-sm-8">
<input type="password" class="form-control" id="pass" name="pass" size="35" placeholder="<?php echo htmlspecialchars($hesklang['pass']); ?>">
</div>
</div>
<?php
if ($hesk_settings['secimg_use'] == 2)
{
// SPAM prevention verified for this session
if (isset($_SESSION['img_a_verified']))
{
echo '<img src="'.HESK_PATH.'img/success.png" width="16" height="16" border="0" alt="" style="vertical-align:text-bottom" /> '.$hesklang['vrfy'];
}
// Not verified yet, should we use Recaptcha?
elseif ($hesk_settings['recaptcha_use'] == 1)
{
?>
<script type="text/javascript">
var RecaptchaOptions = {
theme : '<?php echo ( isset($_SESSION['a_iserror']) && in_array('mysecnum',$_SESSION['a_iserror']) ) ? 'red' : 'white'; ?>',
custom_translations : {
visual_challenge : "<?php echo hesk_slashJS($hesklang['visual_challenge']); ?>",
audio_challenge : "<?php echo hesk_slashJS($hesklang['audio_challenge']); ?>",
refresh_btn : "<?php echo hesk_slashJS($hesklang['refresh_btn']); ?>",
instructions_visual : "<?php echo hesk_slashJS($hesklang['instructions_visual']); ?>",
instructions_context : "<?php echo hesk_slashJS($hesklang['instructions_context']); ?>",
instructions_audio : "<?php echo hesk_slashJS($hesklang['instructions_audio']); ?>",
help_btn : "<?php echo hesk_slashJS($hesklang['help_btn']); ?>",
play_again : "<?php echo hesk_slashJS($hesklang['play_again']); ?>",
cant_hear_this : "<?php echo hesk_slashJS($hesklang['cant_hear_this']); ?>",
incorrect_try_again : "<?php echo hesk_slashJS($hesklang['incorrect_try_again']); ?>",
image_alt_text : "<?php echo hesk_slashJS($hesklang['image_alt_text']); ?>"
}
};
</script>
<?php
require_once(HESK_PATH . 'inc/recaptcha/recaptchalib.php');
echo '<div class="form-group"><div class="col-md-8 col-md-offset-4">';
echo recaptcha_get_html($hesk_settings['recaptcha_public_key'], null, true);
echo '</div></div>';
}
// Use reCaptcha API v2?
elseif ($hesk_settings['recaptcha_use'] == 2)
{
?>
<div class="form-group">
<div class="col-md-8 col-md-offset-4">
<div class="g-recaptcha" data-sitekey="<?php echo $hesk_settings['recaptcha_public_key']; ?>"></div>
</div>
</div>
<?php
}
// At least use some basic PHP generated image (better than nothing)
else
{
echo '<div class="form-group"><div class="col-md-8 col-md-offset-4">';
$cls = in_array('mysecnum',$_SESSION['a_iserror']) ? ' class="isError" ' : '';
echo $hesklang['sec_enter'].'<br><br><img src="'.HESK_PATH.'print_sec_img.php?'.rand(10000,99999).'" width="150" height="40" alt="'.$hesklang['sec_img'].'" title="'.$hesklang['sec_img'].'" border="1" name="secimg" style="vertical-align:text-bottom"> '.
'<a href="javascript:void(0)" onclick="javascript:document.form1.secimg.src=\''.HESK_PATH.'print_sec_img.php?\'+ ( Math.floor((90000)*Math.random()) + 10000);"><img src="'.HESK_PATH.'img/reload.png" height="24" width="24" alt="'.$hesklang['reload'].'" title="'.$hesklang['reload'].'" border="0" style="vertical-align:text-bottom"></a>'.
'<br><br><input type="text" name="mysecnum" size="20" maxlength="5" '.$cls.'>';
echo '</div></div>';
}
} // End if $hesk_settings['secimg_use'] == 2
if ($hesk_settings['autologin'])
{
?>
<div class="form-group">
<div class="col-md-offset-4 col-md-8">
<div class="radio">
<label><input type="radio" name="remember_user" value="AUTOLOGIN" <?php echo $is_1; ?>> <?php echo $hesklang['autologin']; ?></label>
</div>
<div class="radio">
<label><input type="radio" name="remember_user" value="JUSTUSER" <?php echo $is_2; ?>> <?php echo $hesklang['just_user']; ?></label>
</div>
<div class="radio">
<label><input type="radio" name="remember_user" value="NOTHANKS" <?php echo $is_3; ?>> <?php echo $hesklang['nothx']; ?></label>
</div>
</div>
</div>
<?php
}
else
{
?>
<div class="form-group">
<div class="col-md-offset-4 col-md-8">
<div class="checkbox">
<label><input type="checkbox" name="remember_user" value="JUSTUSER" <?php echo $is_2; ?> /> <?php echo $hesklang['remember_user']; ?></label>
</div>
</div>
</div>
<?php
} // End if $hesk_settings['autologin']
?>
<div class="form-group">
<div class="col-md-offset-4 col-md-8">
<input type="submit" value="<?php echo $hesklang['click_login']; ?>" class="btn btn-default">
<input type="hidden" name="a" value="do_login">
<?php
if ( hesk_isREQUEST('goto') && $url=hesk_REQUEST('goto') )
{
echo '<input type="hidden" name="goto" value="'.$url.'">';
}
// Do we allow staff password reset?
if ($hesk_settings['reset_pass'])
{
echo '<br><br><a href="password.php" class="smaller">'.$hesklang['fpass'].'</a>';
}
?>
</div>
</div>
</form>
</div>
</div>
<?php
hesk_cleanSessionVars('a_iserror');
exit();
} // End print_login()
function logout()
{
global $hesk_settings, $hesklang;
if (!hesk_token_check('GET', 0)) {
print_login();
exit();
}
/* Delete from Who's online database */
if ($hesk_settings['online']) {
require(HESK_PATH . 'inc/users_online.inc.php');
hesk_setOffline($_SESSION['id']);
}
/* Destroy session and cookies */
hesk_session_stop();
/* If we're using the security image for admin login start a new session */
if ($hesk_settings['secimg_use'] == 2) {
hesk_session_start();
}
/* Show success message and reset the cookie */
hesk_process_messages($hesklang['logout_success'], 'NOREDIRECT', 'SUCCESS');
hesk_setcookie('hesk_p', '');
/* Print the login form */
print_login();
exit();
} // End logout()
?>