mirror of
https://github.com/nuxsmin/sysPass.git
synced 2026-03-03 07:04:07 +01:00
53aba99af1
* [MOD] Improved import process * [MOD] Improved event logging * [MOD] Code refactoring. Work in progress * [FIX] Several bugfixes. Work in progress
775 lines
23 KiB
PHP
775 lines
23 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 https://syspass.org
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* @copyright 2012-2018, 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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namespace SP\Util;
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use Defuse\Crypto\Core;
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use Defuse\Crypto\Encoding;
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use SP\Bootstrap;
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use SP\Config\ConfigData;
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use SP\Core\Exceptions\SPException;
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use SP\Core\Init;
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use SP\Core\Install\Installer;
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use SP\Core\Session\Session;
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use SP\Core\SessionFactory;
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use SP\Html\Html;
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use SP\Log\Log;
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use SP\Log\LogUtil;
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defined('APP_ROOT') || die();
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/**
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* Clase con utilizades para la aplicación
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*/
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class Util
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{
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/**
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* Generar una clave aleatoria
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*
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* @param int $length Longitud de la clave
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* @param bool $useNumbers Usar números
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* @param bool $useSpecial Usar carácteres especiales
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* @param bool $checKStrength
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* @return string
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*/
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public static function randomPassword($length = 16, $useNumbers = true, $useSpecial = true, $checKStrength = true)
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{
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$charsLower = 'abcdefghijklmnopqrstuwxyz';
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$charsUpper = 'ABCDEFGHIJKLMNOPQRSTUWXYZ';
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$alphabet = $charsLower . $charsUpper;
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if ($useSpecial === true) {
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$charsSpecial = '@$%&/()!_:.;{}^';
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$alphabet .= $charsSpecial;
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}
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if ($useNumbers === true) {
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$charsNumbers = '0123456789';
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$alphabet .= $charsNumbers;
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}
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/**
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* @return array
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*/
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$passGen = function () use ($alphabet, $length) {
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$pass = [];
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$alphaLength = strlen($alphabet) - 1; //put the length -1 in cache
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for ($i = 0; $i < $length; $i++) {
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$n = mt_rand(0, $alphaLength);
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$pass[] = $alphabet[$n];
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}
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return $pass;
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};
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if ($checKStrength === true) {
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do {
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$pass = $passGen();
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$strength = ['lower' => 0, 'upper' => 0, 'special' => 0, 'number' => 0];
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foreach ($pass as $char) {
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if (strpos($charsLower, $char) !== false) {
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$strength['lower']++;
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} elseif (strpos($charsUpper, $char) !== false) {
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$strength['upper']++;
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} elseif ($useSpecial === true && strpos($charsSpecial, $char) !== false) {
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$strength['special']++;
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} elseif ($useNumbers === true && strpos($charsNumbers, $char) !== false) {
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$strength['number']++;
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}
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}
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if ($useSpecial === false) {
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unset($strength['special']);
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}
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if ($useNumbers === false) {
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unset($strength['number']);
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}
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} while (in_array(0, $strength, true));
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return implode($pass);
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}
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return implode($passGen());
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}
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/**
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* Generar una cadena aleatoria usuando criptografía.
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*
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* @param int $length opcional, con la longitud de la cadena
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* @return string
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* @throws \Defuse\Crypto\Exception\EnvironmentIsBrokenException
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*/
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public static function generateRandomBytes($length = 30)
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{
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return Encoding::binToHex(Core::secureRandom($length));
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}
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/**
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* Devuelve el valor de la variable enviada por un formulario.
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*
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* @param string $s con el nombre de la variable
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* @param string $d con el valor por defecto
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* @return string con el valor de la variable
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*/
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public static function init_var($s, $d = '')
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{
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$r = $d;
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if (isset($_REQUEST[$s]) && !empty($_REQUEST[$s])) {
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$r = Html::sanitize($_REQUEST[$s]);
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}
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return $r;
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}
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/**
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* Devuelve la versión de sysPass.
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*
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* @return string con la versión
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*/
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public static function getVersionString()
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{
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return '2.2-dev';
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}
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/**
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* Comprobar si hay actualizaciones de sysPass disponibles desde internet (github.com)
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* Esta función hace una petición a GitHub y parsea el JSON devuelto para verificar
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* si la aplicación está actualizada
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*
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* @return array|bool
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*/
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public static function checkUpdates()
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{
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try {
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$data = self::getDataFromUrl(self::getAppInfo('appupdates'));
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} catch (SPException $e) {
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return false;
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}
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$updateInfo = json_decode($data);
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if (!isset($updateInfo->message)) {
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// $updateInfo[0]->tag_name
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// $updateInfo[0]->name
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// $updateInfo[0]->body
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// $updateInfo[0]->tarball_url
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// $updateInfo[0]->zipball_url
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// $updateInfo[0]->published_at
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// $updateInfo[0]->html_url
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$version = $updateInfo->tag_name;
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$url = $updateInfo->html_url;
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$title = $updateInfo->name;
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$description = $updateInfo->body;
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$date = $updateInfo->published_at;
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preg_match('/v?(\d+)\.(\d+)\.(\d+)\.(\d+)(\-[a-z0-9.]+)?$/', $version, $remoteVersion);
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// preg_match('/v?(\d+)\.(\d+)\.(\d+)(\-[a-z0-9.]+)?$/', $version, $realVer);
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if (is_array($remoteVersion)) {
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$appVersion = self::getVersionStringNormalized();
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$pubVersion = $remoteVersion[1] . $remoteVersion[2] . $remoteVersion[3] . '.' . $remoteVersion[4];
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// $pubVersion = $realVer[1] . $realVer[2] . $realVer[3];
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if (self::checkVersion($appVersion, $pubVersion)) {
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return [
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'version' => $version,
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'url' => $url,
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'title' => $title,
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'description' => $description,
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'date' => $date];
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}
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return true;
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}
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return false;
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}
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return false;
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}
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/**
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* Obtener datos desde una URL usando CURL
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*
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* @param string $url
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* @param array $data
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* @param bool|null $useCookie
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* @param bool $weak
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* @return bool|string
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* @throws \Psr\Container\NotFoundExceptionInterface
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* @throws \Psr\Container\ContainerExceptionInterface
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* @throws SPException
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*/
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public static function getDataFromUrl($url, array $data = null, $useCookie = false, $weak = false)
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{
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/** @var ConfigData $ConfigData */
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$ConfigData = Bootstrap::getContainer()->get(ConfigData::class);
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if (!Checks::curlIsAvailable()) {
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$Log = LogUtil::extensionNotLoaded('CURL', __FUNCTION__);
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throw new SPException($Log->getDescription(), SPException::WARNING);
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}
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$ch = curl_init($url);
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if ($ConfigData->isProxyEnabled()) {
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curl_setopt($ch, CURLOPT_PROXY, $ConfigData->getProxyServer());
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curl_setopt($ch, CURLOPT_PROXYPORT, $ConfigData->getProxyPort());
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curl_setopt($ch, CURLOPT_PROXYTYPE, CURLPROXY_HTTP);
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$proxyUser = $ConfigData->getProxyUser();
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if ($proxyUser) {
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$proxyAuth = $proxyUser . ':' . $ConfigData->getProxyPass();
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curl_setopt($ch, CURLOPT_PROXYUSERPWD, $proxyAuth);
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}
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}
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curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
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curl_setopt($ch, CURLOPT_HEADER, false);
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curl_setopt($ch, CURLINFO_HEADER_OUT, true);
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curl_setopt($ch, CURLOPT_USERAGENT, 'sysPass-App');
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curl_setopt($ch, CURLOPT_CONNECTTIMEOUT, 10);
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curl_setopt($ch, CURLOPT_TIMEOUT, 60);
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if ($weak === true) {
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// Trust SSL enabled server
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curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, 0);
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curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, 0);
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}
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if (null !== $data) {
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curl_setopt($ch, CURLOPT_POST, 1);
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curl_setopt($ch, CURLOPT_HTTPHEADER, $data['type']);
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curl_setopt($ch, CURLOPT_POSTFIELDS, $data['data']);
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}
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if ($useCookie) {
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$cookie = self::getUserCookieFile();
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if ($cookie) {
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if (!SessionFactory::getCurlCookieSession()) {
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curl_setopt($ch, CURLOPT_COOKIESESSION, true);
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curl_setopt($ch, CURLOPT_COOKIEJAR, $cookie);
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SessionFactory::setCurlCookieSession(true);
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}
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curl_setopt($ch, CURLOPT_COOKIEFILE, $cookie);
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}
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}
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$data = curl_exec($ch);
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$httpStatus = curl_getinfo($ch, CURLINFO_HTTP_CODE);
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if ($data === false || $httpStatus !== 200) {
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$Log = new Log();
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$LogMessgae = $Log->getLogMessage();
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$LogMessgae->setAction(__FUNCTION__);
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$LogMessgae->addDescription(curl_error($ch));
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$LogMessgae->addDetails(__('Respuesta', false), $httpStatus);
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$Log->setLogLevel(Log::ERROR);
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$Log->writeLog();
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throw new SPException($LogMessgae->getDescription(), SPException::WARNING);
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}
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return $data;
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}
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/**
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* Devuelve el nombre de archivo a utilizar para las cookies del usuario
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*
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* @return string|false
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*/
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public static function getUserCookieFile()
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{
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$tempDir = self::getTempDir();
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return $tempDir ? $tempDir . DIRECTORY_SEPARATOR . md5('syspass-' . SessionFactory::getUserData()->getLogin()) : false;
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}
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/**
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* Comprueba y devuelve un directorio temporal válido
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*
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* @return bool|string
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*/
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public static function getTempDir()
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{
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$sysTmp = sys_get_temp_dir();
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$appTmp = Init::$SERVERROOT . DIRECTORY_SEPARATOR . 'tmp';
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$file = 'syspass.test';
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$checkDir = function ($dir) use ($file) {
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if (file_exists($dir . DIRECTORY_SEPARATOR . $file)) {
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return $dir;
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}
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if (is_dir($dir) || @mkdir($dir)) {
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if (touch($dir . DIRECTORY_SEPARATOR . $file)) {
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return $dir;
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}
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}
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return false;
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};
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if ($checkDir($appTmp)) {
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return $appTmp;
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}
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return $checkDir($sysTmp);
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}
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/**
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* Devuelve información sobre la aplicación.
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*
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* @param string $index con la key a devolver
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* @return array|string con las propiedades de la aplicación
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*/
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public static function getAppInfo($index = null)
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{
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$appinfo = [
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'appname' => 'sysPass',
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'appdesc' => 'Systems Password Manager',
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'appalias' => 'SPM',
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'appwebsite' => 'https://www.syspass.org',
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'appblog' => 'https://www.cygnux.org',
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'appdoc' => 'https://doc.syspass.org',
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'appupdates' => 'https://api.github.com/repos/nuxsmin/sysPass/releases/latest',
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'appnotices' => 'https://api.github.com/repos/nuxsmin/sysPass/issues?milestone=none&state=open&labels=Notices',
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'apphelp' => 'https://github.com/nuxsmin/sysPass/issues',
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'appchangelog' => 'https://github.com/nuxsmin/sysPass/blob/master/CHANGELOG'
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];
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if (null !== $index && isset($appinfo[$index])) {
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return $appinfo[$index];
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}
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return $appinfo;
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}
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/**
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* Devolver versión normalizada en cadena
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*
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* @return string
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*/
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public static function getVersionStringNormalized()
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{
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return implode('', Installer::VERSION) . '.' . Installer::BUILD;
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}
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/**
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* Comprobar si una versión necesita actualización
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*
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* @param string $currentVersion
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* @param array|string $upgradeableVersion
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* @return bool True si la versión es menor.
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*/
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public static function checkVersion($currentVersion, $upgradeableVersion)
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{
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if (is_array($upgradeableVersion)) {
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$upgradeableVersion = $upgradeableVersion[count($upgradeableVersion) - 1];
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}
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$currentVersion = self::normalizeVersionForCompare($currentVersion);
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$upgradeableVersion = self::normalizeVersionForCompare($upgradeableVersion);
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if (PHP_INT_SIZE > 4) {
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return version_compare($currentVersion, $upgradeableVersion) === -1;
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}
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list($currentVersion, $build) = explode('.', $currentVersion, 2);
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list($upgradeVersion, $upgradeBuild) = explode('.', $upgradeableVersion, 2);
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$versionRes = (int)$currentVersion <= (int)$upgradeVersion;
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return (($versionRes && (int)$upgradeBuild === 0)
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|| ($versionRes && (int)$build < (int)$upgradeBuild));
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}
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/**
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* Devuelve una versión normalizada para poder ser comparada
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*
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* @param string $versionIn
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* @return string
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*/
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private static function normalizeVersionForCompare($versionIn)
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{
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if (is_string($versionIn) && !empty($versionIn)) {
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list($version, $build) = explode('.', $versionIn);
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$nomalizedVersion = 0;
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foreach (str_split($version) as $key => $value) {
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$nomalizedVersion += (int)$value * (10 ** (3 - $key));
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}
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return $nomalizedVersion . '.' . $build;
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}
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return '';
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}
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/**
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* Devuelve la versión de sysPass.
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*
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* @param bool $retBuild devolver el número de compilación
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*
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* @return array con el número de versión
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*/
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public static function getVersionArray($retBuild = false)
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{
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$version = array_values(Installer::VERSION);
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if ($retBuild === true) {
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$version[] = Installer::BUILD;
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return $version;
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}
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return $version;
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}
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/**
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* Devolver versión normalizada en array
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*
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* @return array
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*/
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public static function getVersionArrayNormalized()
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{
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return [implode('', Installer::VERSION), Installer::BUILD];
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}
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/**
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* Comprobar si hay notificaciones de sysPass disponibles desde internet (github.com)
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* Esta función hace una petición a GitHub y parsea el JSON devuelto
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*
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* @return array|bool
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* @throws \Psr\Container\ContainerExceptionInterface
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*/
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public static function checkNotices()
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{
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/** @var ConfigData $ConfigData */
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$ConfigData = Bootstrap::getContainer()->get(ConfigData::class);
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if (!$ConfigData->isChecknotices()) {
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return false;
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}
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try {
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$data = self::getDataFromUrl(self::getAppInfo('appnotices'));
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} catch (SPException $e) {
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return false;
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}
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$noticesData = json_decode($data);
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if (!isset($noticesData->message)) {
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$notices = [];
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// $noticesData[0]->title
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// $noticesData[0]->body
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// $noticesData[0]->created_at
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foreach ($noticesData as $notice) {
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$notices[] = [
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$notice->title,
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// $notice->body,
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$notice->created_at
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];
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}
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return $notices;
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}
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debugLog($noticesData->message);
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return false;
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}
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/**
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* Realiza el proceso de logout.
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*/
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public static function logout()
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{
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exit('<script>sysPassApp.actions().main.logout();</script>');
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}
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/**
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* Obtener el tamaño máximo de subida de PHP.
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*/
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public static function getMaxUpload()
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{
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$max_upload = (int)ini_get('upload_max_filesize');
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$max_post = (int)ini_get('post_max_size');
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$memory_limit = (int)ini_get('memory_limit');
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return min($max_upload, $max_post, $memory_limit);
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}
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/**
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* Checks a variable to see if it should be considered a boolean true or false.
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* Also takes into account some text-based representations of true of false,
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* such as 'false','N','yes','on','off', etc.
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*
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* @author Samuel Levy <sam+nospam@samuellevy.com>
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* @param mixed $in The variable to check
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* @param bool $strict If set to false, consider everything that is not false to
|
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* be true.
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* @return bool The boolean equivalent or null (if strict, and no exact equivalent)
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*/
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public static function boolval($in, $strict = false)
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{
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$in = is_string($in) ? strtolower($in) : $in;
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// if not strict, we only have to check if something is false
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if (in_array($in, ['false', 'no', 'n', '0', 'off', false, 0], true) || !$in) {
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return false;
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}
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if ($strict && in_array($in, ['true', 'yes', 'y', '1', 'on', true, 1], true)) {
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return true;
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}
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|
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// not strict? let the regular php bool check figure it out (will
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// largely default to true)
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return ($in ? true : false);
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}
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/**
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* Establecer variable de sesión para recargar la aplicación.
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*/
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public static function reload()
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{
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if (SessionFactory::getReload() === false) {
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SessionFactory::setReload(true);
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}
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}
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|
|
|
/**
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|
* Comprobar si se necesita recargar la aplicación.
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|
*/
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public static function checkReload()
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{
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if (SessionFactory::getReload() === true) {
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|
SessionFactory::setReload(false);
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exit('<script>location.reload();</script>');
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|
}
|
|
}
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|
|
|
/**
|
|
* Recorrer un array y escapar los carácteres no válidos en Javascript.
|
|
*
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|
* @param $array
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|
* @return array
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|
*/
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|
public static function arrayJSEscape(&$array)
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|
{
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|
array_walk($array, function (&$value, $index) {
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|
$value = str_replace(['\'', '"'], '\\\'', $value);
|
|
});
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|
return $array;
|
|
}
|
|
|
|
/**
|
|
* Obtener la URL de acceso al servidor
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|
*
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|
* @return string
|
|
*/
|
|
public static function getServerUrl()
|
|
{
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|
$urlScheme = Checks::httpsEnabled() ? 'https://' : 'http://';
|
|
$urlPort = ((int)$_SERVER['SERVER_PORT'] !== 443) ? ':' . $_SERVER['SERVER_PORT'] : '';
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|
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return $urlScheme . $_SERVER['SERVER_NAME'] . $urlPort;
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|
}
|
|
|
|
/**
|
|
* Cast an object to another class, keeping the properties, but changing the methods
|
|
*
|
|
* @param string $class Class name
|
|
* @param string|object $serialized
|
|
* @param string $srcClass Nombre de la clase serializada
|
|
* @return mixed
|
|
* @link http://blog.jasny.net/articles/a-dark-corner-of-php-class-casting/
|
|
*/
|
|
public static function unserialize($class, $serialized, $srcClass = null)
|
|
{
|
|
if (!is_object($serialized)) {
|
|
preg_match('/^O:\d+:"(?P<class>[^"]++)"/', $serialized, $matches);
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|
|
|
if (class_exists($matches['class'])) {
|
|
return unserialize($serialized);
|
|
}
|
|
|
|
// Si se indica la clase origen, se elimina el nombre
|
|
// de la clase en los métodos privados
|
|
if ($srcClass !== null) {
|
|
$serializedOut = preg_replace_callback(
|
|
'/:\d+:"\x00' . preg_quote($srcClass, '/') . '\x00(\w+)"/',
|
|
function ($matches) {
|
|
return ':' . strlen($matches[1]) . ':"' . $matches[1] . '"';
|
|
},
|
|
$serialized);
|
|
|
|
return self::castToClass($serializedOut, $class);
|
|
}
|
|
|
|
if ($matches['class'] !== $class) {
|
|
return self::castToClass($serialized, $class);
|
|
}
|
|
}
|
|
|
|
return $serialized;
|
|
}
|
|
|
|
/**
|
|
* Cast an object to another class
|
|
*
|
|
* @param $object
|
|
* @param $class
|
|
* @return mixed
|
|
*/
|
|
public static function castToClass($object, $class)
|
|
{
|
|
// should avoid '__PHP_Incomplete_Class'?
|
|
|
|
if (is_object($object)) {
|
|
return unserialize(preg_replace('/^O:\d+:"[^"]++"/', 'O:' . strlen($class) . ':"' . $class . '"', serialize($object)));
|
|
}
|
|
|
|
return unserialize(preg_replace('/^O:\d+:"[^"]++"/', 'O:' . strlen($class) . ':"' . $class . '"', $object));
|
|
}
|
|
|
|
/**
|
|
* Devuelve la última función llamada tras un error
|
|
*
|
|
* @param string $function La función utilizada como base
|
|
* @return string
|
|
*/
|
|
public static function traceLastCall($function = null)
|
|
{
|
|
$backtrace = debug_backtrace(0);
|
|
|
|
if (count($backtrace) === 1) {
|
|
return $backtrace[1]['function'];
|
|
}
|
|
|
|
foreach ($backtrace as $index => $fn) {
|
|
if ($fn['function'] === $function) {
|
|
return $backtrace[$index + 1]['function'];
|
|
}
|
|
}
|
|
|
|
return '';
|
|
}
|
|
|
|
/**
|
|
* Bloquear la aplicación
|
|
*
|
|
* @param int $userId
|
|
* @param string $subject
|
|
* @return bool
|
|
*/
|
|
public static function lockApp($userId, $subject)
|
|
{
|
|
$data = ['time' => time(), 'userId' => (int)$userId, 'subject' => $subject];
|
|
|
|
return file_put_contents(LOCK_FILE, json_encode($data));
|
|
}
|
|
|
|
/**
|
|
* Desbloquear la aplicación
|
|
*
|
|
* @return bool
|
|
*/
|
|
public static function unlockApp()
|
|
{
|
|
return unlink(LOCK_FILE);
|
|
}
|
|
|
|
/**
|
|
* Comprueba si la aplicación está bloqueada
|
|
*
|
|
* @return int
|
|
*/
|
|
public static function getAppLock()
|
|
{
|
|
if (file_exists(LOCK_FILE)
|
|
&& ($data = file_get_contents(LOCK_FILE)) !== false
|
|
) {
|
|
return json_decode($data) ?: false;
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
/**
|
|
* Devolver el tiempo aproximado en segundos de una operación
|
|
*
|
|
* @param $startTime
|
|
* @param $numItems
|
|
* @param $totalItems
|
|
*
|
|
* @return array Con el tiempo estimado y los elementos por segundo
|
|
*/
|
|
public static function getETA($startTime, $numItems, $totalItems)
|
|
{
|
|
if ($numItems > 0 && $totalItems > 0) {
|
|
$runtime = time() - $startTime;
|
|
$eta = (int)((($totalItems * $runtime) / $numItems) - $runtime);
|
|
|
|
return [$eta, $numItems / $runtime];
|
|
}
|
|
|
|
return [0, 0];
|
|
}
|
|
|
|
/**
|
|
* Comprobar si el usuario está logado.
|
|
*
|
|
* @param Session $session
|
|
* @return bool
|
|
* @internal param Database $db
|
|
*/
|
|
public static function isLoggedIn(Session $session)
|
|
{
|
|
$userData = $session->getUserData();
|
|
|
|
return ($userData->getLogin()
|
|
&& is_object($userData->getPreferences()));
|
|
}
|
|
}
|