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Kevin Siml
GitHub
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68c118f002
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<?php
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/**
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* PHP Server Monitor
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* Monitor your servers and websites.
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*
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* This file is part of PHP Server Monitor.
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* PHP Server Monitor 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 3 of the License, or
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* (at your option) any later version.
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*
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* PHP Server Monitor 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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*
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* You should have received a copy of the GNU General Public License
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* along with PHP Server Monitor. If not, see <http://www.gnu.org/licenses/>.
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*
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* @package phpservermon
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* @author Pepijn Over <pep@neanderthal-technology.com>
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* @copyright Copyright (c) 2008-2014 Pepijn Over <pep@neanderthal-technology.com>
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* @license http://www.gnu.org/licenses/gpl.txt GNU GPL v3
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* @version Release: v3.1.1
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* @link http://www.phpservermonitor.org/
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* @since phpservermon 2.1.0
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**/
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namespace psm\Module\Install\Controller;
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use psm\Module\AbstractController;
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use psm\Service\Database;
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class InstallController extends AbstractController {
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/**
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* Full path to config file
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* @var string $path_config
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*/
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protected $path_config;
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/**
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* Full path to old config file (2.0)
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* @var string $path_config_old
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*/
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protected $path_config_old;
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function __construct(Database $db, \Twig_Environment $twig) {
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parent::__construct($db, $twig);
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$this->setMinUserLevelRequired(PSM_USER_ANONYMOUS);
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$this->addMenu(false);
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$this->path_config = PSM_PATH_SRC . '../config.php';
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$this->path_config_old = PSM_PATH_SRC . '../config.inc.php';
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$this->setActions(array(
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'index', 'config', 'install'
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), 'index');
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$this->twig->addGlobal('subtitle', psm_get_lang('system,', 'install'));
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}
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/**
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* Say hi to our new user
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*/
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protected function executeIndex() {
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// build prerequisites
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$errors = 0;
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$phpv = phpversion();
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if(version_compare($phpv, '5.3.7', '<')) {
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$errors++;
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$this->addMessage('PHP 5.3.7+ is required to run PHP Server Monitor.', 'error');
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} else {
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$this->addMessage('PHP version: ' . $phpv, 'success');
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}
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if(!function_exists('curl_init')) {
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$this->addMessage('PHP is installed without the cURL module. Please install cURL.', 'warning');
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} else {
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$this->addMessage('PHP cURL module found', 'success');
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}
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if(!in_array('mysql', \PDO::getAvailableDrivers())) {
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$errors++;
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$this->addMessage('The PDO MySQL driver needs to be installed.', 'error');
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}
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if(!ini_get('date.timezone')) {
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$this->addMessage('You should set a timezone in your php.ini file (e.g. \'date.timezone = UTC\'). See <a href="http://www.php.net/manual/en/timezones.php" target="_blank">this page</a> for more info.', 'warning');
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}
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if($errors > 0) {
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$this->addMessage($errors . ' error(s) have been encountered. Please fix them and refresh this page.', 'error');
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}
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return $this->twig->render('module/install/index.tpl.html', array(
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'messages' => $this->getMessages()
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));
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}
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/**
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* Help the user create a new config file
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*/
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protected function executeConfig() {
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$tpl_name = 'module/install/config_new.tpl.html';
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$tpl_data = array();
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if(!defined('PSM_DB_PREFIX')) {
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// first detect "old" config file (2.0)
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if(file_exists($this->path_config_old)) {
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// oldtimer huh
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$this->addMessage('Configuration file for v2.0 found.', 'success');
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$this->addMessage(
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'The location of the config file has been changed since v2.0.<br/>' .
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'We will attempt to create a new config file for you.'
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, 'warning');
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$values = $this->parseConfig20();
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} else {
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// fresh install
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$values = $_POST;
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}
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$config = array(
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'host' => 'localhost',
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'name' => '',
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'user' => '',
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'pass' => '',
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'prefix' => 'psm_',
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);
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$changed = false;
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foreach($config as $ckey => &$cvalue) {
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if(isset($values[$ckey])) {
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$changed = true;
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$cvalue = $values[$ckey];
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}
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}
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// add config to template data for prefilling the form
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$tpl_data = $config;
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if($changed) {
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// test db connection
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$this->db = new \psm\Service\Database(
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$config['host'],
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$config['user'],
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$config['pass'],
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$config['name']
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);
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if($this->db->status()) {
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$this->addMessage('Connection to MySQL successful.', 'success');
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$config_php = $this->writeConfigFile($config);
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if($config_php === true) {
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$this->addMessage('Configuration file written successfully.', 'success');
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} else {
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$this->addMessage('Config file is not writable, we cannot save it for you.', 'error');
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$tpl_data['include_config_new_copy'] = true;
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$tpl_data['php_config'] = $config_php;
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}
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} else {
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$this->addMessage('Unable to connect to MySQL. Please check your information.', 'error');
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}
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}
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}
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if(defined('PSM_DB_PREFIX')) {
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if($this->db->status()) {
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if($this->isUpgrade()) {
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// upgrade
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if(version_compare($this->getPreviousVersion(), '3.0.0', '<')) {
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// upgrade from before 3.0, does not have passwords yet.. create new user first
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$this->addMessage('Your current version does not have an authentication system, but since v3.0 access to the monitor is restricted by user accounts. Please set up a new account to be able to login after the upgrade, and which you can use to change the passwords for your other accounts.', 'info');
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$tpl_name = 'module/install/config_new_user.tpl.html';
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} else {
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$tpl_name = 'module/install/config_upgrade.tpl.html';
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$tpl_data['version'] = PSM_VERSION;
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}
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} else {
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// fresh install ahead
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$tpl_name = 'module/install/config_new_user.tpl.html';
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$tpl_data['username'] = (isset($_POST['username'])) ? $_POST['username'] : '';
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$tpl_data['email'] = (isset($_POST['email'])) ? $_POST['email'] : '';
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}
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} else {
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$this->addMessage('Configuration file found, but unable to connect to MySQL. Please check your information.', 'error');
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}
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}
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$tpl_data['messages'] = $this->getMessages();
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return $this->twig->render($tpl_name, $tpl_data);
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}
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/**
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* Execute the install and upgrade process to a newer version
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*/
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protected function executeInstall() {
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if(!defined('PSM_DB_PREFIX') || !$this->db->status()) {
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return $this->executeConfig();
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}
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$add_user = false;
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// check if user submitted username + password in previous step
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// this would only be the case for new installs, and install from
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// before 3.0
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$new_user = array(
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'user_name' => psm_POST('username'),
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'name' => psm_POST('username'),
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'password' => psm_POST('password'),
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'password_repeat' => psm_POST('password_repeat'),
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'email' => psm_POST('email', ''),
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'mobile' => '',
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'level' => PSM_USER_ADMIN,
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'pushover_key' => '',
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'pushover_device' => '',
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'pushsafer_key' => '',
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);
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$validator = new \psm\Util\User\UserValidator($this->user);
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$logger = array($this, 'addMessage');
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$installer = new \psm\Util\Install\Installer($this->db, $logger);
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if($this->isUpgrade()) {
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$this->addMessage('Upgrade process started.', 'info');
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$version_from = $this->getPreviousVersion();
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if($version_from === false) {
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$this->addMessage('Unable to locate your previous version. Please run a fresh install.', 'error');
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} else {
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if(version_compare($version_from, PSM_VERSION, '=')) {
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$this->addMessage('Your installation is already at the latest version.', 'success');
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} elseif(version_compare($version_from, PSM_VERSION, '>')) {
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$this->addMessage('This installer does not support downgrading, sorry.', 'error');
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} else {
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$this->addMessage('Upgrading from ' . $version_from . ' to ' . PSM_VERSION, 'info');
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$installer->upgrade($version_from, PSM_VERSION);
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}
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if(version_compare($version_from, '3.0.0', '<')) {
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$add_user = true;
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}
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}
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} else {
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// validate the lot
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try {
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$validator->email($new_user['email']);
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$validator->password($new_user['password'], $new_user['password_repeat']);
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} catch(\InvalidArgumentException $e) {
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$this->addMessage(psm_get_lang('users', 'error_' . $e->getMessage()), 'error');
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return $this->executeConfig();
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}
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$this->addMessage('Installation process started.', 'success');
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$installer->install();
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// add user
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$add_user = true;
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}
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if($add_user) {
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unset($new_user['password_repeat']);
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$user_id = $this->db->save(PSM_DB_PREFIX.'users', $new_user);
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if(intval($user_id) > 0) {
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$this->user->changePassword($user_id, $new_user['password']);
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$this->addMessage('User account has been created successfully.', 'success');
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} else {
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$this->addMessage('There was an error adding your user account.', 'error');
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}
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}
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return $this->twig->render('module/install/success.tpl.html', array(
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'messages' => $this->getMessages()
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));
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}
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/**
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* Write config file with db variables
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* @param array $db_vars prefix,user,pass,name,host
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* @return boolean|string TRUE on success, string with config otherwise
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*/
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protected function writeConfigFile($db_vars) {
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$config = "<?php".PHP_EOL;
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foreach($db_vars as $key => $value) {
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$line = "define('PSM_DB_{key}', '{value}');".PHP_EOL;
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$line = str_replace(
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array('{key}', '{value}'),
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array(strtoupper($key), $value),
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$line
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);
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$config .= $line;
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}
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if(is_writeable($this->path_config)) {
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file_put_contents($this->path_config, $config);
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return true;
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} else {
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return $config;
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}
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}
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/**
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* Parse the 2.0 config file for prefilling
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* @return array
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*/
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protected function parseConfig20() {
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$config_old = file_get_contents($this->path_config_old);
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$vars = array(
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'prefix' => '',
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'user' => '',
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'pass' => '',
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'name' => '',
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'host' => '',
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);
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$pattern = "/define\('SM_DB_{key}', '(.*?)'/u";
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foreach($vars as $key => $value) {
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$pattern_key = str_replace('{key}', strtoupper($key), $pattern);
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preg_match($pattern_key, $config_old, $value_matches);
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$vars[$key] = (isset($value_matches[1])) ? $value_matches[1] : '';
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}
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return $vars;
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}
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/**
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* Is it an upgrade or install?
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*/
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protected function isUpgrade() {
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if(!$this->db->status()) {
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return false;
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}
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return $this->db->ifTableExists(PSM_DB_PREFIX.'config');
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}
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/**
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* Get the previous version from the config table
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* @return boolean|string FALSE on failure, string otherwise
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*/
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protected function getPreviousVersion() {
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if(!$this->isUpgrade()) {
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return false;
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}
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$version_conf = $this->db->selectRow(PSM_DB_PREFIX . 'config', array('key' => 'version'), array('value'));
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if(empty($version_conf)) {
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return false;
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} else {
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$version_from = $version_conf['value'];
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if(strpos($version_from, '.') === false) {
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// yeah, my bad.. previous version did not follow proper naming scheme
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$version_from = rtrim(chunk_split($version_from, 1, '.'), '.');
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}
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return $version_from;
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}
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}
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}
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