LDAPAccountManager/lam/templates/config/mainmanage.php

548 lines
21 KiB
PHP

<?php
namespace LAM\CONFIG;
use \LAMCfgMain;
use \htmlTable;
use \htmlTitle;
use \htmlStatusMessage;
use \htmlSubTitle;
use \htmlSpacer;
use \htmlOutputText;
use \htmlLink;
use \htmlGroup;
use \htmlButton;
use \htmlHelpLink;
use \htmlInputField;
use \htmlInputFileUpload;
use \DateTime;
use \DateTimeZone;
use \htmlResponsiveRow;
use \htmlResponsiveInputTextarea;
use \htmlResponsiveSelect;
use \htmlResponsiveInputCheckbox;
use \htmlResponsiveInputField;
use \htmlDiv;
use \htmlHiddenInput;
/*
This code is part of LDAP Account Manager (http://www.ldap-account-manager.org/)
Copyright (C) 2003 - 2020 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
*/
/**
* Manages the main configuration options.
*
* @package configuration
* @author Roland Gruber
*/
/** Access to config functions */
include_once('../../lib/config.inc');
/** Used to print status messages */
include_once('../../lib/status.inc');
/** LAM Pro */
include_once('../../lib/selfService.inc');
// start session
if (strtolower(session_module_name()) == 'files') {
session_save_path("../../sess");
}
lam_start_session();
setlanguage();
if (!isset($_SESSION['cfgMain'])) {
$cfg = new LAMCfgMain();
$_SESSION['cfgMain'] = $cfg;
}
$cfg = &$_SESSION['cfgMain'];
// check if user is logged in
if (!isset($_SESSION["mainconf_password"]) || (!$cfg->checkPassword($_SESSION["mainconf_password"]))) {
require('mainlogin.php');
exit();
}
if (isset($_POST['cancel'])) {
// back to login
metaRefresh('../login.php');
exit();
}
$errors = array();
$messages = array();
// check if submit button was pressed
if (isset($_POST['submitFormData'])) {
// set master password
if (isset($_POST['masterpassword']) && ($_POST['masterpassword'] != "")) {
if ($_POST['masterpassword'] && $_POST['masterpassword2'] && ($_POST['masterpassword'] == $_POST['masterpassword2'])) {
$cfg->setPassword($_POST['masterpassword']);
$msg = _("New master password set successfully.");
unset($_SESSION["mainconf_password"]);
} else {
$errors[] = _("Master passwords are different or empty!");
}
}
// set license
if (isLAMProVersion()) {
$licenseLines = explode("\n", $_POST['license']);
$licenseLines = array_map('trim', $licenseLines);
$cfg->setLicenseLines($licenseLines);
}
// set session timeout
$cfg->sessionTimeout = $_POST['sessionTimeout'];
// set allowed hosts
if (isset($_POST['allowedHosts'])) {
$allowedHosts = $_POST['allowedHosts'];
$allowedHostsList = explode("\n", $allowedHosts);
for ($i = 0; $i < sizeof($allowedHostsList); $i++) {
$allowedHostsList[$i] = trim($allowedHostsList[$i]);
// ignore empty lines
if ($allowedHostsList[$i] == "") {
unset($allowedHostsList[$i]);
continue;
}
// check each line
$ipRegex = '/^[0-9a-f\\.:\\*]+$/i';
if (!preg_match($ipRegex, $allowedHostsList[$i]) || (strlen($allowedHostsList[$i]) > 15)) {
$errors[] = sprintf(_("The IP address %s is invalid!"), htmlspecialchars(str_replace('%', '%%', $allowedHostsList[$i])));
}
}
$allowedHosts = implode(",", $allowedHostsList);
} else {
$allowedHosts = "";
}
$cfg->allowedHosts = $allowedHosts;
// set allowed hosts for self service
if (isLAMProVersion()) {
if (isset($_POST['allowedHostsSelfService'])) {
$allowedHostsSelfService = $_POST['allowedHostsSelfService'];
$allowedHostsSelfServiceList = explode("\n", $allowedHostsSelfService);
for ($i = 0; $i < sizeof($allowedHostsSelfServiceList); $i++) {
$allowedHostsSelfServiceList[$i] = trim($allowedHostsSelfServiceList[$i]);
// ignore empty lines
if ($allowedHostsSelfServiceList[$i] == "") {
unset($allowedHostsSelfServiceList[$i]);
continue;
}
// check each line
$ipRegex = '/^[0-9a-f\\.:\\*]+$/i';
if (!preg_match($ipRegex, $allowedHostsSelfServiceList[$i]) || (strlen($allowedHostsSelfServiceList[$i]) > 15)) {
$errors[] = sprintf(_("The IP address %s is invalid!"), htmlspecialchars(str_replace('%', '%%', $allowedHostsSelfServiceList[$i])));
}
}
$allowedHostsSelfService = implode(",", $allowedHostsSelfServiceList);
} else {
$allowedHostsSelfService = "";
}
$cfg->allowedHostsSelfService = $allowedHostsSelfService;
}
// set session encryption
if (function_exists('openssl_random_pseudo_bytes')) {
$encryptSession = 'false';
if (isset($_POST['encryptSession']) && ($_POST['encryptSession'] == 'on')) {
$encryptSession = 'true';
}
$cfg->encryptSession = $encryptSession;
}
// set log level
$cfg->logLevel = $_POST['logLevel'];
// set log destination
if ($_POST['logDestination'] == "none") {
$cfg->logDestination = "NONE";
} elseif ($_POST['logDestination'] == "syslog") {
$cfg->logDestination = "SYSLOG";
} elseif ($_POST['logDestination'] == "remote") {
$cfg->logDestination = "REMOTE:" . $_POST['logRemote'];
$remoteParts = explode(':', $_POST['logRemote']);
if ((sizeof($remoteParts) !== 2) || !get_preg($remoteParts[0], 'DNSname') || !get_preg($remoteParts[1], 'digit')) {
$errors[] = _("Please enter a valid remote server in format \"server:port\".");
}
} else {
if (isset($_POST['logFile']) && ($_POST['logFile'] != "") && preg_match("/^[a-z0-9\\/\\\\:\\._-]+$/i", $_POST['logFile'])) {
$cfg->logDestination = $_POST['logFile'];
} else {
$errors[] = _("The log file is empty or contains invalid characters! Valid characters are: a-z, A-Z, 0-9, /, \\, ., :, _ and -.");
}
}
// password policies
$cfg->passwordMinLength = $_POST['passwordMinLength'];
$cfg->passwordMinLower = $_POST['passwordMinLower'];
$cfg->passwordMinUpper = $_POST['passwordMinUpper'];
$cfg->passwordMinNumeric = $_POST['passwordMinNumeric'];
$cfg->passwordMinSymbol = $_POST['passwordMinSymbol'];
$cfg->passwordMinClasses = $_POST['passwordMinClasses'];
$cfg->checkedRulesCount = $_POST['passwordRulesCount'];
$cfg->passwordMustNotContain3Chars = isset($_POST['passwordMustNotContain3Chars']) && ($_POST['passwordMustNotContain3Chars'] == 'on') ? 'true' : 'false';
$cfg->passwordMustNotContainUser = isset($_POST['passwordMustNotContainUser']) && ($_POST['passwordMustNotContainUser'] == 'on') ? 'true' : 'false';
if (function_exists('curl_init')) {
$cfg->externalPwdCheckUrl = $_POST['externalPwdCheckUrl'];
if (!empty($cfg->externalPwdCheckUrl) && (strpos($cfg->externalPwdCheckUrl, '{SHA1PREFIX}') === false)) {
$errors[] = _('The URL for the external password check is invalid.');
}
}
if (isset($_POST['sslCaCertUpload'])) {
if (!isset($_FILES['sslCaCert']) || ($_FILES['sslCaCert']['size'] == 0)) {
$errors[] = _('No file selected.');
} else {
$handle = fopen($_FILES['sslCaCert']['tmp_name'], "r");
$data = fread($handle, 10000000);
fclose($handle);
$sslReturn = $cfg->uploadSSLCaCert($data);
if ($sslReturn !== true) {
$errors[] = $sslReturn;
} else {
$messages[] = _('You might need to restart your webserver for changes to take effect.');
}
}
}
if (isset($_POST['sslCaCertDelete'])) {
$cfg->deleteSSLCaCert();
$messages[] = _('You might need to restart your webserver for changes to take effect.');
}
if (isset($_POST['sslCaCertImport'])) {
$matches = array();
if (preg_match('/^ldaps:\\/\\/([a-zA-Z0-9_\\.-]+)(:([0-9]+))?$/', $_POST['serverurl'], $matches)) {
$port = '636';
if (isset($matches[3]) && !empty($matches[3])) {
$port = $matches[3];
}
$pemResult = getLDAPSSLCertificate($matches[1], $port);
if ($pemResult !== false) {
$messages[] = _('Imported certificate from server.');
$messages[] = _('You might need to restart your webserver for changes to take effect.');
$cfg->uploadSSLCaCert($pemResult);
} else {
$errors[] = _('Unable to import server certificate. Please use the upload function.');
}
} else {
$errors[] = _('Invalid server name. Please enter "server" or "server:port".');
}
}
foreach ($_POST as $key => $value) {
if (strpos($key, 'deleteCert_') === 0) {
$index = substr($key, strlen('deleteCert_'));
$cfg->deleteSSLCaCert($index);
}
}
// mail EOL
if (isLAMProVersion()) {
$cfg->mailUser = $_POST['mailUser'];
$cfg->mailPassword = $_POST['mailPassword'];
$cfg->mailServer = $_POST['mailServer'];
if (!empty($cfg->mailServer) && !get_preg($cfg->mailServer, 'hostAndPort')) {
$errors[] = _('Please enter the mail server with host name and port.');
}
}
$cfg->errorReporting = $_POST['errorReporting'];
// save settings
if (isset($_POST['submit'])) {
$cfg->save();
if (sizeof($errors) == 0) {
metaRefresh('../login.php?confMainSavedOk=1');
exit();
}
}
}
echo $_SESSION['header'];
printHeaderContents(_("Edit general settings"), '../..');
?>
</head>
<body class="admin">
<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">
<?php echo getLAMVersionText(); ?>
</a>
</td>
</tr>
</table>
<br>
<!-- form for adding/renaming/deleting profiles -->
<form enctype="multipart/form-data" action="mainmanage.php" method="post">
<?php
// include all JavaScript files
printJsIncludes('../..');
$tabindex = 1;
$row = new htmlResponsiveRow();
$row->add(new htmlTitle(_('General settings')), 12);
// print messages
for ($i = 0; $i < sizeof($errors); $i++) {
$row->add(new htmlStatusMessage("ERROR", $errors[$i]), 12);
}
for ($i = 0; $i < sizeof($messages); $i++) {
$row->add(new htmlStatusMessage("INFO", $messages[$i]), 12);
}
// check if config file is writable
if (!$cfg->isWritable()) {
$row->add(new htmlStatusMessage('WARN', _('The config file is not writable.'), _('Your changes cannot be saved until you make the file writable for the webserver user.')), 12);
}
// license
if (isLAMProVersion()) {
$row->add(new htmlSubTitle(_('Licence')), 12);
$row->add(new htmlResponsiveInputTextarea('license', implode("\n", $cfg->getLicenseLines()), null, 10, _('Licence'), '287'), 12);
$row->add(new htmlSpacer(null, '1rem'), true);
}
// security settings
$row->add(new htmlSubTitle(_("Security settings")), 12);
$options = array(5, 10, 20, 30, 60, 90, 120, 240);
$row->add(new htmlResponsiveSelect('sessionTimeout', $options, array($cfg->sessionTimeout), _("Session timeout"), '238'), 12);
$row->add(new htmlResponsiveInputTextarea('allowedHosts', implode("\n", explode(",", $cfg->allowedHosts)), null, '7', _("Allowed hosts"), '241'), 12);
if (isLAMProVersion()) {
$row->add(new htmlResponsiveInputTextarea('allowedHostsSelfService', implode("\n", explode(",", $cfg->allowedHostsSelfService)), null, '7', _("Allowed hosts (self service)"), '241'), 12);
}
$encryptSession = ($cfg->encryptSession === 'true');
$encryptSessionBox = new htmlResponsiveInputCheckbox('encryptSession', $encryptSession, _('Encrypt session'), '245');
$encryptSessionBox->setIsEnabled(function_exists('openssl_random_pseudo_bytes'));
$row->add($encryptSessionBox, 12);
// SSL certificate
$row->addVerticalSpacer('1rem');
$row->addLabel(new htmlOutputText(_('SSL certificates')));
$sslMethod = _('use system certificates');
$sslFileName = $cfg->getSSLCaCertTempFileName();
if ($sslFileName != null) {
$sslMethod = _('use custom CA certificates');
}
$sslDelSaveGroup = new htmlGroup();
$sslDelSaveGroup->addElement(new htmlOutputText($sslMethod));
$sslDelSaveGroup->addElement(new htmlSpacer('5px', null));
// delete+download button
if ($sslFileName != null) {
$sslDownloadBtn = new htmlLink('', '../../tmp/' . $sslFileName, '../../graphics/save.png');
$sslDownloadBtn->setTargetWindow('_blank');
$sslDownloadBtn->setTitle(_('Download CA certificates'));
$sslDelSaveGroup->addElement($sslDownloadBtn);
$sslDeleteBtn = new htmlButton('sslCaCertDelete', 'delete.png', true);
$sslDeleteBtn->setTitle(_('Delete all CA certificates'));
$sslDelSaveGroup->addElement($sslDeleteBtn);
}
$sslDelSaveGroup->addElement(new htmlHelpLink('204'));
$row->addField($sslDelSaveGroup);
$row->addLabel(new htmlInputFileUpload('sslCaCert'));
$sslUploadBtn = new htmlButton('sslCaCertUpload', _('Upload'));
$sslUploadBtn->setIconClass('upButton');
$sslUploadBtn->setTitle(_('Upload CA certificate in DER/PEM format.'));
$row->addField($sslUploadBtn);
if (function_exists('stream_socket_client') && function_exists('stream_context_get_params')) {
$sslImportServerUrl = !empty($_POST['serverurl']) ? $_POST['serverurl'] : 'ldaps://';
$serverUrlUpload = new htmlInputField('serverurl', $sslImportServerUrl);
$row->addLabel($serverUrlUpload);
$sslImportBtn = new htmlButton('sslCaCertImport', _('Import from server'));
$sslImportBtn->setIconClass('downButton');
$sslImportBtn->setTitle(_('Imports the certificate directly from your LDAP server.'));
$row->addField($sslImportBtn);
}
$sslCerts = $cfg->getSSLCaCertificates();
if (sizeof($sslCerts) > 0) {
$certsTitles = array(_('Common name'), _('Valid to'), _('Serial number'), _('Delete'));
$certsData = array();
for ($i = 0; $i < sizeof($sslCerts); $i++) {
$serial = isset($sslCerts[$i]['serialNumber']) ? $sslCerts[$i]['serialNumber'] : '';
$validTo = isset($sslCerts[$i]['validTo_time_t']) ? $sslCerts[$i]['validTo_time_t'] : '';
$cn = isset($sslCerts[$i]['subject']['CN']) ? $sslCerts[$i]['subject']['CN'] : '';
$delBtn = new htmlButton('deleteCert_' . $i, 'delete.png', true);
$certsData[] = array(
new htmlOutputText($cn),
new htmlOutputText($validTo),
new htmlOutputText($serial),
$delBtn
);
}
$certsTable = new \htmlResponsiveTable($certsTitles, $certsData);
$row->add($certsTable, 12);
}
// password policy
$row->add(new htmlSubTitle(_("Password policy")), 12);
$options20 = array(0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20);
$options4 = array(0, 1, 2, 3, 4);
$row->add(new htmlResponsiveSelect('passwordMinLength', $options20, array($cfg->passwordMinLength), _('Minimum password length'), '242'), 12);
$row->addVerticalSpacer('1rem');
$row->add(new htmlResponsiveSelect('passwordMinLower', $options20, array($cfg->passwordMinLower), _('Minimum lowercase characters'), '242'), 12);
$row->add(new htmlResponsiveSelect('passwordMinUpper', $options20, array($cfg->passwordMinUpper), _('Minimum uppercase characters'), '242'), 12);
$row->add(new htmlResponsiveSelect('passwordMinNumeric', $options20, array($cfg->passwordMinNumeric), _('Minimum numeric characters'), '242'), 12);
$row->add(new htmlResponsiveSelect('passwordMinSymbol', $options20, array($cfg->passwordMinSymbol), _('Minimum symbolic characters'), '242'), 12);
$row->add(new htmlResponsiveSelect('passwordMinClasses', $options4, array($cfg->passwordMinClasses), _('Minimum character classes'), '242'), 12);
$row->addVerticalSpacer('1rem');
$rulesCountOptions = array(_('all') => '-1', '3' => '3', '4' => '4');
$rulesCountSelect = new htmlResponsiveSelect('passwordRulesCount', $rulesCountOptions, array($cfg->checkedRulesCount), _('Number of rules that must match'), '246');
$rulesCountSelect->setHasDescriptiveElements(true);
$row->add($rulesCountSelect, 12);
$passwordMustNotContainUser = ($cfg->passwordMustNotContainUser === 'true');
$row->add(new htmlResponsiveInputCheckbox('passwordMustNotContainUser', $passwordMustNotContainUser, _('Password must not contain user name'), '247'), 12);
$passwordMustNotContain3Chars = ($cfg->passwordMustNotContain3Chars === 'true');
$row->add(new htmlResponsiveInputCheckbox('passwordMustNotContain3Chars', $passwordMustNotContain3Chars, _('Password must not contain part of user/first/last name'), '248'), 12);
if (function_exists('curl_init')) {
$row->addVerticalSpacer('1rem');
$row->add(new htmlResponsiveInputField(_('External password check'), 'externalPwdCheckUrl', $cfg->externalPwdCheckUrl, '249'), 12);
}
// logging
$row->add(new htmlSubTitle(_("Logging")), 12);
$levelOptions = array(_("Debug") => LOG_DEBUG, _("Notice") => LOG_NOTICE, _("Warning") => LOG_WARNING, _("Error") => LOG_ERR);
$levelSelect = new htmlResponsiveSelect('logLevel', $levelOptions, array($cfg->logLevel), _("Log level"), '239');
$levelSelect->setHasDescriptiveElements(true);
$row->add($levelSelect, 12);
$destinationOptions = array(
_("No logging") => "none",
_("System logging") => "syslog",
_("File") => 'file',
_("Remote") => 'remote',
);
$destinationSelected = 'file';
$destinationPath = $cfg->logDestination;
$destinationRemote = '';
if ($cfg->logDestination == 'NONE') {
$destinationSelected = 'none';
$destinationPath = '';
} elseif ($cfg->logDestination == 'SYSLOG') {
$destinationSelected = 'syslog';
$destinationPath = '';
} elseif (strpos($cfg->logDestination, 'REMOTE') === 0) {
$destinationSelected = 'remote';
$remoteParts = explode(':', $cfg->logDestination, 2);
$destinationRemote = empty($remoteParts[1]) ? '' : $remoteParts[1];
$destinationPath = '';
}
$logDestinationSelect = new htmlResponsiveSelect('logDestination', $destinationOptions, array($destinationSelected), _("Log destination"), '240');
$logDestinationSelect->setTableRowsToHide(array(
'none' => array('logFile', 'logRemote'),
'syslog' => array('logFile', 'logRemote'),
'remote' => array('logFile'),
'file' => array('logRemote'),
));
$logDestinationSelect->setTableRowsToShow(array(
'file' => array('logFile'),
'remote' => array('logRemote'),
));
$logDestinationSelect->setHasDescriptiveElements(true);
$row->add($logDestinationSelect, 12);
$row->add(new htmlResponsiveInputField(_('File'), 'logFile', $destinationPath), 12);
$row->add(new htmlResponsiveInputField(_('Remote server'), 'logRemote', $destinationRemote, '251'), 12);
$errorLogOptions = array(
_('PHP system setting') => LAMCfgMain::ERROR_REPORTING_SYSTEM,
_('default') => LAMCfgMain::ERROR_REPORTING_DEFAULT,
_('all') => LAMCfgMain::ERROR_REPORTING_ALL
);
$errorLogSelect = new htmlResponsiveSelect('errorReporting', $errorLogOptions, array($cfg->errorReporting), _('PHP error reporting'), '244');
$errorLogSelect->setHasDescriptiveElements(true);
$row->add($errorLogSelect, 12);
// mail options
if (isLAMProVersion()) {
$row->add(new htmlSubTitle(_('Mail options')), 12);
$mailServer = new htmlResponsiveInputField(_("Mail server"), 'mailServer', $cfg->mailServer, '253');
$row->add($mailServer, 12);
$mailUser = new htmlResponsiveInputField(_("User name"), 'mailUser', $cfg->mailUser, '254');
$row->add($mailUser, 12);
$mailPassword = new htmlResponsiveInputField(_("Password"), 'mailPassword', $cfg->mailPassword, '255');
$mailPassword->setIsPassword(true);
$row->add($mailPassword, 12);
}
$row->addVerticalSpacer('3rem');
// webauthn management
if ((version_compare(phpversion(), '7.2.0') >= 0)
&& extension_loaded('PDO')
&& in_array('sqlite', \PDO::getAvailableDrivers())) {
include_once __DIR__ . '/../../lib/webauthn.inc';
$database = new \LAM\LOGIN\WEBAUTHN\PublicKeyCredentialSourceRepositorySQLite();
if ($database->hasRegisteredCredentials()) {
$row->add(new htmlSubTitle(_('Webauthn devices')), 12);
$webauthnSearchField = new htmlResponsiveInputField(_('User DN'), 'webauthn_searchTerm', null, '252');
$row->add($webauthnSearchField, 12);
$row->addVerticalSpacer('0.5rem');
$row->add(new htmlButton('webauthn_search', _('Search')), 12, 12, 12, 'text-center');
$resultDiv = new htmlDiv('webauthn_results', new htmlOutputText(''), array('lam-webauthn-results'));
addSecurityTokenToSession(false);
$resultDiv->addDataAttribute('sec_token_value', getSecurityTokenValue());
$row->add($resultDiv, 12);
$confirmationDiv = new htmlDiv('webauthnDeleteConfirm', new htmlOutputText(_('Do you really want to remove this device?')), array('hidden'));
$row->add($confirmationDiv, 12);
}
}
// change master password
$row->add(new htmlSubTitle(_("Change master password")), 12);
$pwd1 = new htmlResponsiveInputField(_("New master password"), 'masterpassword', '', '235');
$pwd1->setIsPassword(true, false, true);
$row->add($pwd1, 12);
$pwd2 = new htmlResponsiveInputField(_("Reenter password"), 'masterpassword2', '');
$pwd2->setIsPassword(true, false, true);
$pwd2->setSameValueFieldID('masterpassword');
$row->add($pwd2, 12);
$row->addVerticalSpacer('3rem');
// buttons
if ($cfg->isWritable()) {
$buttonTable = new htmlTable();
$buttonTable->addElement(new htmlButton('submit', _("Ok")));
$buttonTable->addElement(new htmlSpacer('1rem', null));
$buttonTable->addElement(new htmlButton('cancel', _("Cancel")));
$row->add($buttonTable, 12);
$row->add(new htmlHiddenInput('submitFormData', '1'), 12);
}
$box = new htmlDiv(null, $row);
$box->setCSSClasses(array('ui-corner-all', 'roundedShadowBox'));
parseHtml(null, $box, array(), false, $tabindex, 'user');
/**
* Formats an LDAP time string (e.g. from createTimestamp).
*
* @param String $time LDAP time value
* @return String formatted time
*/
function formatSSLTimestamp($time) {
if (!empty($time)) {
$timeZone = 'UTC';
$sysTimeZone = @date_default_timezone_get();
if (!empty($sysTimeZone)) {
$timeZone = $sysTimeZone;
}
$date = new DateTime('@' . $time, new DateTimeZone($timeZone));
return $date->format('d.m.Y');
}
return '';
}
?>
</form>
<p><br></p>
</body>
</html>