mirror of
https://github.com/nuxsmin/sysPass.git
synced 2026-03-03 15:14:08 +01:00
* Added class CssMin for minimizing CSSs. * Cached some config values in session to avoid config file readings. * Improved URL handling. * Minor bug fixes.
617 lines
21 KiB
PHP
617 lines
21 KiB
PHP
<?php
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/**
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* sysPass
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*
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* @author nuxsmin
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* @link http://syspass.org
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* @copyright 2012-2014 Rubén Domínguez nuxsmin@syspass.org
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*
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* This file is part of sysPass.
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*
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* sysPass 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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* sysPass 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 sysPass. If not, see <http://www.gnu.org/licenses/>.
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*
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*/
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defined('APP_ROOT') || die(_('No es posible acceder directamente a este archivo'));
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define ('EXTENSIONS_DIR', dirname(__FILE__) . DIRECTORY_SEPARATOR . 'ext');
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class SP_Init
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{
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public static $CLASSPATH = array(); // Associative array for autoloading. classname => filename
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public static $SERVERROOT = ''; // The installation path on the server (e.g. /srv/www/syspass)
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public static $WEBROOT = ''; // The current request path relative to the sysPass root (e.g. files/index.php)
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public static $WEBURI = ''; // The sysPass root path for http requests (e.g. syspass/)
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public static $LANG = '';
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public static $UPDATED = false;
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private static $SUBURI = '';
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/**
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* @brief Inicializar la aplicación
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* @return none
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*
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* Esta función inicializa las variables de la aplicación y muestra la página
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* según el estado en el que se encuentre.
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*/
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public static function init()
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{
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if (version_compare(PHP_VERSION, '5.1.2', '>=')) {
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// Registro del cargador de clases (PHP >= 5.1.2)
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if (version_compare(PHP_VERSION, '5.3.0', '>=')) {
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spl_autoload_register(array('SP_Init', 'sysPassAutoload'), true, true);
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} else {
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spl_autoload_register(array('SP_Init', 'sysPassAutoload'));
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}
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} else {
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/**
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* Fall back to traditional autoload for old PHP versions
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* @param string $classname The name of the class to load
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*/
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function __autoload($classname)
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{
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SP_Init::sysPassAutoload($classname);
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}
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}
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error_reporting(E_ALL | E_STRICT);
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if (defined('DEBUG') && DEBUG) {
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ini_set('display_errors', 1);
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}
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date_default_timezone_set('UTC');
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// Intentar desactivar magic quotes.
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if (get_magic_quotes_gpc() == 1) {
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ini_set('magic_quotes_runtime', 0);
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}
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// Copiar la cabecera http de autentificación para apache+php-fcgid
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if (isset($_SERVER['HTTP_XAUTHORIZATION']) && !isset($_SERVER['HTTP_AUTHORIZATION'])) {
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$_SERVER['HTTP_AUTHORIZATION'] = $_SERVER['HTTP_XAUTHORIZATION'];
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}
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// Establecer las cabeceras de autentificación para apache+php-cgi
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if (isset($_SERVER['HTTP_AUTHORIZATION'])
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&& preg_match('/Basic\s+(.*)$/i', $_SERVER['HTTP_AUTHORIZATION'], $matches)
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) {
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list($name, $password) = explode(':', base64_decode($matches[1]), 2);
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$_SERVER['PHP_AUTH_USER'] = strip_tags($name);
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$_SERVER['PHP_AUTH_PW'] = strip_tags($password);
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}
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// Establecer las cabeceras de autentificación para que apache+php-cgi funcione si la variable es renombrada por apache
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if (isset($_SERVER['REDIRECT_HTTP_AUTHORIZATION'])
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&& preg_match('/Basic\s+(.*)$/i', $_SERVER['REDIRECT_HTTP_AUTHORIZATION'], $matches)
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) {
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list($name, $password) = explode(':', base64_decode($matches[1]), 2);
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$_SERVER['PHP_AUTH_USER'] = strip_tags($name);
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$_SERVER['PHP_AUTH_PW'] = strip_tags($password);
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}
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self::setPaths();
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// Establecer el modo debug si una sesión de xdebug está activa
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if (!defined('DEBUG') || !DEBUG) {
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if (isset($_COOKIE['XDEBUG_SESSION'])) {
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define('DEBUG', true);
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}
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}
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// Cargar el lenguaje
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self::selectLang();
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// Comprobar si es necesario inicialización
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if (self::checkInitSourceInclude()) {
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return;
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}
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// Comprobar la configuración
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self::checkConfig();
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// Comprobar si está instalado
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self::checkInstalled();
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// Comprobar si la Base de datos existe
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if (!db::checkDatabaseExist()) {
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self::initError(_('Error en la verificación de la base de datos'));
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}
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// Comprobar si el modo mantenimiento está activado
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self::checkMaintenanceMode();
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// Comprobar la versión y actualizarla
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self::checkVersion();
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// Inicializar la sesión
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self::initSession();
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// Comprobar acciones en URL
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self::checkRequestActions();
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// Intentar establecer el tiempo de vida de la sesión en PHP
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$sessionLifeTime = self::getSessionLifeTime();
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@ini_set('gc_maxlifetime', (string)$sessionLifeTime);
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if (!SP_Config::getValue("installed", false)) {
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$_SESSION['user_id'] = '';
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}
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if (isset($_SERVER['PHP_AUTH_USER']) && isset($_SESSION['user_id'])
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&& $_SERVER['PHP_AUTH_USER'] != $_SESSION['user_id']
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) {
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self::logout();
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}
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// Manejar la redirección para usuarios logeados
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if (isset($_REQUEST['redirect_url']) && self::isLoggedIn()) {
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$location = 'index.php';
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// Denegar la regirección si la URL contiene una @
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// Esto previene redirecciones como ?redirect_url=:user@domain.com
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if (strpos($location, '@') === false) {
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header('Location: ' . $location);
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return;
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}
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}
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// El usuario está logado
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if (self::isLoggedIn()) {
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if (isset($_GET["logout"]) && $_GET["logout"]) {
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self::logout();
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if (count($_GET) > 1) {
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foreach ($_GET as $param => $value) {
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if ($param == 'logout') {
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continue;
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}
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$params[] = SP_Html::sanitize($param) . '=' . SP_Html::sanitize($value);
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}
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header("Location: " . self::$WEBROOT . '/index.php?' . implode('&', $params));
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} else {
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header("Location: " . self::$WEBROOT . '/');
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}
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}
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return;
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} else {
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// Si la petición es ajax, no hacer nada
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if ((isset($_POST['isAjax']) || isset($_GET['isAjax']))
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&& ($_POST['isAjax'] || $_GET['isAjax'])
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) {
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return;
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}
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SP_Html::render('login');
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exit();
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}
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}
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/**
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* SPL autoload
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*/
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public static function sysPassAutoload($classname)
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{
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$class = str_replace("sp_", '', strtolower($classname));
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$classfile = dirname(__FILE__) . DIRECTORY_SEPARATOR . $class . ".class.php";
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if (is_readable($classfile)) {
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require $classfile;
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} else {
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error_log('Class Autoloader Error: ' . $classfile);
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}
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}
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/**
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* @brief Establecer las rutas de la aplicación
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* @return none
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*
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* Esta función establece las rutasdel sistema de archivos y web de la aplicación.
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* La variables de clase definidas son $SERVERROOT, $WEBROOT y $SUBURI
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*/
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private static function setPaths()
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{
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// Calcular los directorios raíz
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self::$SERVERROOT = str_replace("\\", DIRECTORY_SEPARATOR, substr(__DIR__, 0, -4));
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// Establecer la ruta include correcta
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set_include_path(self::$SERVERROOT . DIRECTORY_SEPARATOR . 'inc' . PATH_SEPARATOR .
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self::$SERVERROOT . DIRECTORY_SEPARATOR . 'config' . PATH_SEPARATOR .
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get_include_path() . PATH_SEPARATOR . self::$SERVERROOT);
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self::$SUBURI = str_replace("\\", '/', substr(realpath($_SERVER["SCRIPT_FILENAME"]), strlen(self::$SERVERROOT)));
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$scriptName = isset($_SERVER['REQUEST_URI']) ? $_SERVER['REQUEST_URI'] : '';
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if (substr($scriptName, -1) == '/') {
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$scriptName .= 'index.php';
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// Asegurar que suburi sigue las mismas reglas que scriptName
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if (substr(self::$SUBURI, -9) != 'index.php') {
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if (substr(self::$SUBURI, -1) != '/') {
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self::$SUBURI .= '/';
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}
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self::$SUBURI .= 'index.php';
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}
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}
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$pos = strpos($scriptName, self::$SUBURI);
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if ($pos === false) {
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$pos = strpos($scriptName, '?');
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}
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self::$WEBROOT = substr($scriptName, 0, $pos);
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if (self::$WEBROOT != '' and self::$WEBROOT[0] !== '/') {
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self::$WEBROOT = '/' . self::$WEBROOT;
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}
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self::$WEBURI = (isset($_SERVER['HTTPS'])) ? 'https://' : 'http://';
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self::$WEBURI .= $_SERVER['HTTP_HOST'] . self::$WEBROOT;
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}
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/**
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* @brief Establece el lenguaje de la aplicación
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* @returns none
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*
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* Esta función establece el lenguaje según esté definidi en la configuración o en el navegador.
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*/
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private static function selectLang()
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{
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$browserLang = str_replace("-", "_", substr($_SERVER['HTTP_ACCEPT_LANGUAGE'], 0, 5));
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$configLang = SP_Config::getValue('sitelang');
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$localesDir = self::$SERVERROOT . DIRECTORY_SEPARATOR . 'inc' . DIRECTORY_SEPARATOR . 'locales';
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// Establecer a en_US si no existe la traducción o no es español
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if (!file_exists($localesDir . DIRECTORY_SEPARATOR . $browserLang)
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&& !preg_match('/^es_.*/i', $browserLang)
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&& !$configLang
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) {
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self::$LANG = 'en_US';
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} else {
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self::$LANG = ($configLang) ? $configLang : $browserLang;
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}
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self::$LANG = self::$LANG . ".utf8";
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putenv("LANG=" . self::$LANG);
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setlocale(LC_MESSAGES, self::$LANG);
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setlocale(LC_ALL, self::$LANG);
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bindtextdomain("messages", $localesDir);
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textdomain("messages");
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bind_textdomain_codeset("messages", 'UTF-8');
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}
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/**
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* @brief Comprobar el archivo que realiza el include necesita inicialización
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* @returns bool
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*/
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private static function checkInitSourceInclude()
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{
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$srcScript = pathinfo($_SERVER["SCRIPT_NAME"], PATHINFO_BASENAME);
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$skipInit = array('js.php', 'css.php');
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return (in_array($srcScript, $skipInit));
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}
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/**
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* @brief Comprobar el archivo de configuración.
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* @return none
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*
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* Esta función comprueba que el archivo de configuración exista y los permisos sean correctos.
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*/
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private static function checkConfig()
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{
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if (!is_dir(self::$SERVERROOT . DIRECTORY_SEPARATOR . 'config')) {
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clearstatcache();
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self::initError(_('El directorio "/config" no existe'));
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}
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if (!is_writable(self::$SERVERROOT . DIRECTORY_SEPARATOR . 'config')) {
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clearstatcache();
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self::initError(_('No es posible escribir en el directorio "config"'));
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}
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//$configPerms = substr(sprintf('%o', fileperms(self::$SERVERROOT.'/config')), -4);
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$configPerms = decoct(fileperms(self::$SERVERROOT . DIRECTORY_SEPARATOR . 'config') & 0777);
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if (!SP_Util::runningOnWindows() && $configPerms != "750") {
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clearstatcache();
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self::initError(_('Los permisos del directorio "/config" son incorrectos'), _('Actual:') . ' ' . $configPerms . ' - ' . _('Necesario: 750'));
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}
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}
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/**
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* @brief Devuelve un eror utilizando la plantilla de rror
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* @param string $str con la descripción del error
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* @param string $hint opcional, con una ayuda sobre el error
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* @returns none
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*/
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public static function initError($str, $hint = '')
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{
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$errors[] = array(
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'type' => 'critical',
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'description' => $str,
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'hint' => $hint);
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SP_Html::render('error', $errors);
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exit();
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}
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/**
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* @brief Comprueba que la aplicación esté instalada
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* @return none
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*
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* Esta función comprueba si la aplicación está instalada. Si no lo está, redirige al instalador.
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*/
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private static function checkInstalled()
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{
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// Redirigir al instalador si no está instalada
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if (!SP_Config::getValue('installed', false) && self::$SUBURI != '/index.php') {
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$url = 'http://' . $_SERVER['SERVER_NAME'] . ':' . $_SERVER["SERVER_PORT"] . self::$WEBROOT . '/index.php';
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header("Location: $url");
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exit();
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} elseif (!SP_Config::getValue('installed', false) && self::$SUBURI == '/index.php') {
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// Comprobar si sysPass está instalada o en modo mantenimiento
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if (!SP_Config::getValue('installed', false)) {
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SP_Html::render('install');
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exit();
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}
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}
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}
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/**
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* @brief Comprobar si el modo mantenimeinto está activado
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* @param bool $check sólo comprobar si está activado el modo
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* @return bool
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*
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* Esta función comprueba si el modo mantenimiento está activado.
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* Devuelve un error 503 y un reintento de 120s al cliente.
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*/
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public static function checkMaintenanceMode($check = false)
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{
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if (SP_Config::getValue('maintenance', false)) {
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if ($check === true
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|| SP_Common::parseParams('r', 'isAjax', 0) === 1
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|| SP_Common::parseParams('g', 'upgrade', 0) === 1
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|| SP_Common::parseParams('g', 'nodbupgrade', 0) === 1
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) {
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return true;
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}
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header('HTTP/1.1 503 Service Temporarily Unavailable');
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header('Status: 503 Service Temporarily Unavailable');
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header('Retry-After: 120');
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self::initError(_('Aplicación en mantenimiento'), _('En breve estará operativa'));
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}
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return false;
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}
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/**
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* @brief Comrpueba y actualiza la versión de la aplicación
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* @returns none
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*/
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private static function checkVersion()
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{
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if (substr(self::$SUBURI, -9) != 'index.php' || SP_Common::parseParams('g', 'logout', 0) === 1) {
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return;
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}
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$update = false;
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$configVersion = (int)str_replace('.', '', SP_Config::getValue('version'));
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$databaseVersion = (int)str_replace('.', '', SP_Config::getConfigValue('version'));
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$appVersion = (int)implode(SP_Util::getVersion(true));
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if ($databaseVersion < $appVersion
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&& SP_Common::parseParams('g', 'nodbupgrade', 0) === 0
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) {
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if (SP_Upgrade::needDBUpgrade($appVersion) && !self::checkMaintenanceMode(true)) {
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if (SP_Config::getValue('upgrade_key', 0) === 0) {
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SP_Config::setValue('upgrade_key', sha1(uniqid(mt_rand(), true)));
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SP_Config::setValue('maintenance', true);
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}
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self::initError(_('La aplicación necesita actualizarse'), _('Si es un administrador pulse en el enlace:') . ' <a href="index.php?upgrade=1&a=upgrade">' . _('Actualizar') . '</a>');
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}
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$action = SP_Common::parseParams('g', 'a');
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$hash = SP_Common::parseParams('g', 'h');
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if ($action === 'upgrade' && $hash === SP_Config::getValue('upgrade_key', 0)) {
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if (SP_Upgrade::doUpgrade($databaseVersion)) {
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SP_Config::setConfigValue('version', $appVersion);
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SP_Config::setValue('maintenance', false);
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SP_Config::deleteKey('upgrade_key');
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$update = true;
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}
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} else {
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SP_Html::render('upgrade');
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exit();
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}
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}
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if ($configVersion < $appVersion
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&& SP_Upgrade::needConfigUpgrade($appVersion)
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&& SP_Upgrade::upgradeConfig($appVersion)
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) {
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SP_Config::setValue('version', $appVersion);
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$update = true;
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}
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if ($update === true) {
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$message['action'] = _('Actualización');
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$message['text'][] = _('Actualización de versión realizada.');
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$message['text'][] = _('Versión') . ': ' . $appVersion;
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SP_Log::wrLogInfo($message);
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SP_Common::sendEmail($message);
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self::$UPDATED = true;
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}
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}
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/**
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* @brief Inicialiar la sesión de usuario
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* @return none
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*/
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private static function initSession()
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{
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// Evita que javascript acceda a las cookis de sesion de PHP
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ini_set('session.cookie_httponly', '1;');
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// Si la sesión no puede ser iniciada, devolver un error 500
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if (session_start() === false) {
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SP_Log::wrLogInfo(_('Sesion'), _('La sesión no puede ser inicializada'));
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header('HTTP/1.1 500 Internal Server Error');
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$errors[] = array(
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'type' => 'critical',
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'description' => _('La sesión no puede ser inicializada'),
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'hint' => _('Consulte con el administrador'));
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SP_Html::render('error', $errors);
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exit();
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}
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$sessionLifeTime = self::getSessionLifeTime();
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|
// Regenerar el Id de sesión periódicamente para evitar fijación
|
|
if (!isset($_SESSION['SID_CREATED'])) {
|
|
$_SESSION['SID_CREATED'] = time();
|
|
$_SESSION['START_ACTIVITY'] = time();
|
|
} else if (time() - $_SESSION['SID_CREATED'] > $sessionLifeTime / 2) {
|
|
session_regenerate_id(true);
|
|
$_SESSION['SID_CREATED'] = time();
|
|
// Recargar los permisos del perfil de usuario
|
|
$_SESSION['usrprofile'] = SP_Profiles::getProfileForUser();
|
|
unset($_SESSION['APP_CONFIG']);
|
|
}
|
|
|
|
// Timeout de sesión
|
|
if (isset($_SESSION['LAST_ACTIVITY']) && (time() - $_SESSION['LAST_ACTIVITY'] > $sessionLifeTime)) {
|
|
if (isset($_COOKIE[session_name()])) {
|
|
setcookie(session_name(), '', time() - 42000, '/');
|
|
}
|
|
|
|
self::wrLogoutInfo();
|
|
|
|
session_unset();
|
|
session_destroy();
|
|
session_start();
|
|
}
|
|
|
|
$_SESSION['LAST_ACTIVITY'] = time();
|
|
}
|
|
|
|
/**
|
|
* @brief Obtener el timeout de sesión desde la configuración
|
|
* @returns int con el tiempo en segundos
|
|
*/
|
|
private static function getSessionLifeTime()
|
|
{
|
|
$timeout = SP_Common::parseParams('s', 'session_timeout', 0);
|
|
|
|
if ($timeout === 0) {
|
|
$timeout = $_SESSION['session_timeout'] = SP_Config::getValue('session_timeout', 60 * 5);
|
|
}
|
|
|
|
return $timeout;
|
|
}
|
|
|
|
/**
|
|
* @brief Escribir la información de logout en el registro de eventos
|
|
* @return none
|
|
*/
|
|
private static function wrLogoutInfo()
|
|
{
|
|
$inactiveTime = round(((time() - $_SESSION['LAST_ACTIVITY']) / 60), 2);
|
|
$totalTime = round(((time() - $_SESSION['START_ACTIVITY']) / 60), 2);
|
|
$ulogin = SP_Common::parseParams('s', 'ulogin');
|
|
|
|
$message['action'] = _('Finalizar sesión');
|
|
$message['text'][] = _('Usuario') . ": " . $ulogin;
|
|
$message['text'][] = _('Tiempo inactivo') . ": " . $inactiveTime . " min.";
|
|
$message['text'][] = _('Tiempo total') . ": " . $totalTime . " min.";
|
|
|
|
SP_Log::wrLogInfo($message);
|
|
}
|
|
|
|
/**
|
|
* @brief Comprobar si hay que ejecutar acciones de URL
|
|
* @return bool
|
|
*/
|
|
public static function checkRequestActions()
|
|
{
|
|
if (!SP_Common::parseParams('r', 'a', '', true)) {
|
|
return;
|
|
}
|
|
|
|
$action = SP_Common::parseParams('r', 'a');
|
|
|
|
switch ($action) {
|
|
case 'passreset':
|
|
SP_Html::render('passreset');
|
|
break;
|
|
default:
|
|
return false;
|
|
}
|
|
|
|
exit();
|
|
}
|
|
|
|
/**
|
|
* @brief Deslogar el usuario actual y eliminar la información de sesión
|
|
* @return none
|
|
*/
|
|
private static function logout()
|
|
{
|
|
self::wrLogoutInfo();
|
|
|
|
session_unset();
|
|
session_destroy();
|
|
}
|
|
|
|
/**
|
|
* @brief Comprobar si el usuario está logado
|
|
* @returns bool
|
|
*/
|
|
public static function isLoggedIn()
|
|
{
|
|
if (SP_Common::parseParams('s', 'ulogin')) {
|
|
// TODO: refrescar variables de sesión.
|
|
return true;
|
|
}
|
|
return false;
|
|
}
|
|
|
|
/**
|
|
* @brief Devuelve el tiempo actual en coma flotante
|
|
* @returns float con el tiempo actual
|
|
*
|
|
* Esta función se utiliza para calcular el tiempo de renderizado con coma flotante
|
|
*/
|
|
public static function microtime_float()
|
|
{
|
|
list($usec, $sec) = explode(" ", microtime());
|
|
return ((float)$usec + (float)$sec);
|
|
}
|
|
}
|
|
|
|
// Empezar a calcular el tiempo y memoria utilizados
|
|
$memInit = memory_get_usage();
|
|
$time_start = SP_Init::microtime_float();
|
|
|
|
// Inicializar sysPass
|
|
SP_Init::init(); |