433 lines
15 KiB
PHP
433 lines
15 KiB
PHP
<?php
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namespace Froxlor\Cron\Http\LetsEncrypt;
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use Froxlor\FroxlorLogger;
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use Froxlor\Settings;
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use Froxlor\Database\Database;
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/**
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* This file is part of the Froxlor project.
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* Copyright (c) 2016 the Froxlor Team (see authors).
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*
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* For the full copyright and license information, please view the COPYING
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* file that was distributed with this source code. You can also view the
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* COPYING file online at http://files.froxlor.org/misc/COPYING.txt
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*
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* @copyright (c) the authors
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* @author Florian Aders <kontakt-froxlor@neteraser.de>
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* @author Froxlor team <team@froxlor.org> (2016-)
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* @license GPLv2 http://files.froxlor.org/misc/COPYING.txt
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* @package Cron
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*
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* @since 0.9.35
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*
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*/
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class AcmeSh extends \Froxlor\Cron\FroxlorCron
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{
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private static $apiserver = "";
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private static $acmesh = "/root/.acme.sh/acme.sh";
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/**
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*
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* @var \PDOStatement
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*/
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private static $updcert_stmt = null;
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/**
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*
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* @var \PDOStatement
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*/
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private static $upddom_stmt = null;
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private static $do_update = true;
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public static $no_inserttask = false;
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private static function needRenew()
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{
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$certificates_stmt = Database::query("
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SELECT
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domssl.`id`,
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domssl.`domainid`,
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domssl.`expirationdate`,
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domssl.`ssl_cert_file`,
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domssl.`ssl_key_file`,
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domssl.`ssl_ca_file`,
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domssl.`ssl_csr_file`,
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dom.`domain`,
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dom.`wwwserveralias`,
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dom.`documentroot`,
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dom.`id` AS 'domainid',
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dom.`ssl_redirect`,
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cust.`leprivatekey`,
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cust.`lepublickey`,
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cust.`leregistered`,
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cust.`customerid`,
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cust.`loginname`
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FROM
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`" . TABLE_PANEL_CUSTOMERS . "` AS cust,
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`" . TABLE_PANEL_DOMAINS . "` AS dom
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LEFT JOIN
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`" . TABLE_PANEL_DOMAIN_SSL_SETTINGS . "` AS domssl ON
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dom.`id` = domssl.`domainid`
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WHERE
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dom.`customerid` = cust.`customerid`
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AND cust.deactivated = 0
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AND dom.`letsencrypt` = 1
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AND dom.`aliasdomain` IS NULL
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AND dom.`iswildcarddomain` = 0
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AND (
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domssl.`expirationdate` < DATE_ADD(NOW(), INTERVAL 30 DAY)
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OR domssl.`expirationdate` IS NULL
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)
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");
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$customer_ssl = $certificates_stmt->fetchAll(\PDO::FETCH_ASSOC);
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if (! $customer_ssl) {
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$customer_ssl = array();
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}
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$froxlor_ssl = array();
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if (Settings::Get('system.le_froxlor_enabled') == '1') {
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$froxlor_ssl_settings_stmt = Database::prepare("
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SELECT * FROM `" . TABLE_PANEL_DOMAIN_SSL_SETTINGS . "`
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WHERE `domainid` = '0' AND
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(`expirationdate` < DATE_ADD(NOW(), INTERVAL 30 DAY) OR `expirationdate` IS NULL)
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");
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$froxlor_ssl = Database::pexecute_first($froxlor_ssl_settings_stmt);
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if (! $froxlor_ssl) {
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$froxlor_ssl = array();
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}
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}
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if (count($customer_ssl) > 0 || count($froxlor_ssl) > 0) {
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return array(
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'customer_ssl' => $customer_ssl,
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'froxlor_ssl' => $froxlor_ssl
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);
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}
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return false;
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}
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public static function run($internal = false)
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{
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if (! defined('CRON_IS_FORCED') && ! defined('CRON_DEBUG_FLAG') && $internal == false) {
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// Let's Encrypt cronjob is combined with regeneration of webserver configuration files.
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// For debugging purposes you can use the --debug switch and the --force switch to run the cron manually.
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// check whether we MIGHT need to run although there is no task to regenerate config-files
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$needRenew = self::needRenew();
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if ($needRenew) {
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// insert task to generate certificates and vhost-configs
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\Froxlor\System\Cronjob::inserttask(1);
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}
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return 0;
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}
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self::checkInstall();
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self::$apiserver = 'https://acme-'.(Settings::Get('system.letsencryptca') == 'testing' ? 'staging-' : '').'v0' . \Froxlor\Settings::Get('system.leapiversion') . '.api.letsencrypt.org/directory';
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FroxlorLogger::getInstanceOf()->logAction(FroxlorLogger::CRON_ACTION, LOG_INFO, "Requesting/renewing Let's Encrypt certificates");
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$aliasdomains_stmt = Database::prepare("
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SELECT
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dom.`id` as domainid,
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dom.`domain`,
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dom.`wwwserveralias`
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FROM `" . TABLE_PANEL_DOMAINS . "` AS dom
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WHERE
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dom.`aliasdomain` = :id
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AND dom.`letsencrypt` = 1
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AND dom.`iswildcarddomain` = 0
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");
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self::$updcert_stmt = Database::prepare("
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REPLACE INTO
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`" . TABLE_PANEL_DOMAIN_SSL_SETTINGS . "`
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SET
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`id` = :id,
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`domainid` = :domainid,
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`ssl_cert_file` = :crt,
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`ssl_key_file` = :key,
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`ssl_ca_file` = :ca,
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`ssl_cert_chainfile` = :chain,
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`ssl_csr_file` = :csr,
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`ssl_fullchain_file` = :fullchain,
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`expirationdate` = :expirationdate
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");
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self::$upddom_stmt = Database::prepare("UPDATE `" . TABLE_PANEL_DOMAINS . "` SET `ssl_redirect` = '1' WHERE `id` = :domainid");
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// flag for re-generation of vhost files
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$changedetected = 0;
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$needRenew = self::needRenew();
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// first - generate LE for system-vhost if enabled
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if (Settings::Get('system.le_froxlor_enabled') == '1') {
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$certrow = array(
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'loginname' => 'froxlor.panel',
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'domain' => Settings::Get('system.hostname'),
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'domainid' => 0,
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'documentroot' => \Froxlor\Froxlor::getInstallDir(),
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'leprivatekey' => Settings::Get('system.leprivatekey'),
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'lepublickey' => Settings::Get('system.lepublickey'),
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'leregistered' => Settings::Get('system.leregistered'),
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'ssl_redirect' => Settings::Get('system.le_froxlor_redirect'),
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'expirationdate' => null,
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'ssl_cert_file' => null,
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'ssl_key_file' => null,
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'ssl_ca_file' => null,
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'ssl_csr_file' => null,
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'id' => null
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);
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$froxlor_ssl = $needRenew ? $needRenew['froxlor_ssl'] : array();
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$cert_mode = 'issue';
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if (count($froxlor_ssl) > 0) {
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$cert_mode = 'renew';
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$certrow['id'] = $froxlor_ssl['id'];
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$certrow['expirationdate'] = $froxlor_ssl['expirationdate'];
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$certrow['ssl_cert_file'] = $froxlor_ssl['ssl_cert_file'];
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$certrow['ssl_key_file'] = $froxlor_ssl['ssl_key_file'];
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$certrow['ssl_ca_file'] = $froxlor_ssl['ssl_ca_file'];
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$certrow['ssl_csr_file'] = $froxlor_ssl['ssl_csr_file'];
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} else {
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// check whether we have an entry with valid certificates which just does not need
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// updating yet, so we need to skip this here
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$froxlor_ssl_settings_stmt = Database::prepare("
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SELECT * FROM `" . TABLE_PANEL_DOMAIN_SSL_SETTINGS . "` WHERE `domainid` = '0'
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");
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$froxlor_ssl = Database::pexecute_first($froxlor_ssl_settings_stmt);
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if ($froxlor_ssl && ! empty($froxlor_ssl['ssl_cert_file'])) {
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$cert_mode = false;
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}
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}
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if ($cert_mode) {
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$domains = array(
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strtolower($certrow['domain'])
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);
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$froxlor_aliases = Settings::Get('system.froxloraliases');
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if (! empty($froxlor_aliases)) {
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$froxlor_aliases = explode(",", $froxlor_aliases);
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foreach ($froxlor_aliases as $falias) {
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if (\Froxlor\Validate\Validate::validateDomain(trim($falias))) {
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$domains[] = strtolower(trim($falias));
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}
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}
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}
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// Only renew let's encrypt certificate if no broken ssl_redirect is enabled
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// - this temp. deactivation of the ssl-redirect is handled by the webserver-cronjob
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$do_force = false;
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if ($cert_mode == 'renew') {
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FroxlorLogger::getInstanceOf()->logAction(FroxlorLogger::CRON_ACTION, LOG_INFO, "Updating certificate for " . $certrow['domain']);
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} else {
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$do_force = true;
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FroxlorLogger::getInstanceOf()->logAction(FroxlorLogger::CRON_ACTION, LOG_INFO, "Creating certificate for " . $certrow['domain']);
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}
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$cronlog = FroxlorLogger::getInstanceOf(array(
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'loginname' => $certrow['loginname'],
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'adminsession' => 0
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));
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self::runAcmeSh($certrow, $domains, $cert_mode, $cronlog, $changedetected, $do_force);
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}
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}
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// customer domains
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$certrows = $needRenew ? $needRenew['customer_ssl'] : array();
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foreach ($certrows as $certrow) {
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// initialize mode to 'issue'
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$cert_mode = 'issue';
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// set logger to corresponding loginname for the log to appear in the users system-log
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$cronlog = FroxlorLogger::getInstanceOf(array(
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'loginname' => $certrow['loginname'],
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'adminsession' => 0
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));
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// Only renew let's encrypt certificate if no broken ssl_redirect is enabled
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if ($certrow['ssl_redirect'] != 2) {
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$do_force = false;
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if (! empty($certrow['ssl_cert_file']) && ! empty($certrow['expirationdate'])) {
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$cert_mode = 'renew';
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$cronlog->logAction(FroxlorLogger::CRON_ACTION, LOG_INFO, "Updating certificate for " . $certrow['domain']);
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} else if (! empty($certrow['ssl_cert_file']) && empty($certrow['expirationdate'])) {
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// domain changed (SAN or similar)
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$do_force = true;
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$cronlog->logAction(FroxlorLogger::CRON_ACTION, LOG_INFO, "Re-creating certificate for " . $certrow['domain']);
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} else {
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$cronlog->logAction(FroxlorLogger::CRON_ACTION, LOG_INFO, "Creating certificate for " . $certrow['domain']);
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}
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$cronlog->logAction(FroxlorLogger::CRON_ACTION, LOG_INFO, "Adding SAN entry: " . $certrow['domain']);
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$domains = array(
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strtolower($certrow['domain'])
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);
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// add www.<domain> to SAN list
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if ($certrow['wwwserveralias'] == 1) {
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$cronlog->logAction(FroxlorLogger::CRON_ACTION, LOG_INFO, "Adding SAN entry: www." . $certrow['domain']);
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$domains[] = strtolower('www.' . $certrow['domain']);
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}
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// add alias domains (and possibly www.<aliasdomain>) to SAN list
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Database::pexecute($aliasdomains_stmt, array(
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'id' => $certrow['domainid']
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));
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$aliasdomains = $aliasdomains_stmt->fetchAll(\PDO::FETCH_ASSOC);
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foreach ($aliasdomains as $aliasdomain) {
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$cronlog->logAction(FroxlorLogger::CRON_ACTION, LOG_INFO, "Adding SAN entry: " . $aliasdomain['domain']);
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$domains[] = strtolower($aliasdomain['domain']);
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if ($aliasdomain['wwwserveralias'] == 1) {
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$cronlog->logAction(FroxlorLogger::CRON_ACTION, LOG_INFO, "Adding SAN entry: www." . $aliasdomain['domain']);
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$domains[] = strtolower('www.' . $aliasdomain['domain']);
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}
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}
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self::runAcmeSh($certrow, $domains, $cert_mode, $cronlog, $changedetected, $do_force);
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} else {
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$cronlog->logAction(FroxlorLogger::CRON_ACTION, LOG_WARNING, "Skipping Let's Encrypt generation for " . $certrow['domain'] . " due to an enabled ssl_redirect");
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}
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}
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// If we have a change in a certificate, we need to update the webserver - configs
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// This is easiest done by just creating a new task ;)
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if ($changedetected) {
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if (self::$no_inserttask == false) {
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\Froxlor\System\Cronjob::inserttask(1);
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}
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FroxlorLogger::getInstanceOf()->logAction(FroxlorLogger::CRON_ACTION, LOG_INFO, "Let's Encrypt certificates have been updated");
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} else {
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FroxlorLogger::getInstanceOf()->logAction(FroxlorLogger::CRON_ACTION, LOG_INFO, "No new certificates or certificates due for renewal found");
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}
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}
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private static function runAcmeSh($certrow = array(), $domains = array(), $cert_mode = 'issue', &$cronlog = null, &$changedetected = 0, $force = false)
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{
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if (! empty($domains)) {
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if (self::$do_update) {
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self::checkUpgrade();
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self::$do_update = false;
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}
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$acmesh_cmd = self::$acmesh . " --auto-upgrade 0 --server " . self::$apiserver . " --" . $cert_mode . " -d " . implode(" -d ", $domains);
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if ($cert_mode == 'issue') {
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$acmesh_cmd .= " -w " . Settings::Get('system.letsencryptchallengepath');
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}
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if (Settings::Get('system.leecc') > 0) {
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$acmesh_cmd .= " --keylength ec-" . Settings::Get('system.leecc');
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} else {
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$acmesh_cmd .= " --keylength " . Settings::Get('system.letsencryptkeysize');
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}
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if (Settings::Get('system.letsencryptreuseold') != '1') {
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$acmesh_cmd .= " --always-force-new-domain-key";
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}
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if (Settings::Get('system.letsencryptca') == 'testing') {
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$acmesh_cmd .= " --staging";
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}
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if ($force) {
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$acmesh_cmd .= " --force";
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}
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if (defined('CRON_DEBUG_FLAG')) {
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$acmesh_cmd .= " --debug";
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}
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$acme_result = \Froxlor\FileDir::safe_exec($acmesh_cmd);
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// debug output of acme.sh run
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$cronlog->logAction(FroxlorLogger::CRON_ACTION, LOG_DEBUG, implode("\n", $acme_result));
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$return = array();
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self::readCertificateToVar($certrow['domain'], $return);
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if (! empty($return['crt'])) {
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$newcert = openssl_x509_parse($return['crt']);
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if ($newcert) {
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// Store the new data
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Database::pexecute(self::$updcert_stmt, array(
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'id' => $certrow['id'],
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'domainid' => $certrow['domainid'],
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'crt' => $return['crt'],
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'key' => $return['key'],
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'ca' => $return['chain'],
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'chain' => $return['chain'],
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'csr' => $return['csr'],
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'fullchain' => $return['fullchain'],
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'expirationdate' => date('Y-m-d H:i:s', $newcert['validTo_time_t'])
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));
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if ($certrow['ssl_redirect'] == 3) {
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Database::pexecute(self::$upddom_stmt, array(
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'domainid' => $certrow['domainid']
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));
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}
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$cronlog->logAction(FroxlorLogger::CRON_ACTION, LOG_INFO, "Updated Let's Encrypt certificate for " . $certrow['domain']);
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$changedetected = 1;
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} else {
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$cronlog->logAction(FroxlorLogger::CRON_ACTION, LOG_ERR, "Got non-successful Let's Encrypt response for " . $certrow['domain'] . ":\n" . implode("\n", $acme_result));
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}
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} else {
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$cronlog->logAction(FroxlorLogger::CRON_ACTION, LOG_ERR, "Could not get Let's Encrypt certificate for " . $certrow['domain'] . ":\n" . implode("\n", $acme_result));
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}
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}
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}
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private static function readCertificateToVar($domain, &$return)
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{
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$certificate_folder = dirname(self::$acmesh) . "/" . $domain;
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if (Settings::Get('system.leecc') > 0) {
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$certificate_folder .= "_ecc";
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}
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$certificate_folder = \Froxlor\FileDir::makeCorrectDir($certificate_folder);
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if (is_dir($certificate_folder)) {
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foreach ([
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'crt' => $domain . '.cer',
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'key' => $domain . '.key',
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'chain' => 'ca.cer',
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'fullchain' => 'fullchain.cer',
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'csr' => $domain . '.csr'
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] as $index => $sslfile) {
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$ssl_file = \Froxlor\FileDir::makeCorrectFile($certificate_folder . '/' . $sslfile);
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if (file_exists($ssl_file)) {
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$return[$index] = file_get_contents($ssl_file);
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} else {
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$return[$index] = null;
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}
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}
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}
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}
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private static function checkInstall()
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{
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if (! file_exists(self::$acmesh)) {
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FroxlorLogger::getInstanceOf()->logAction(FroxlorLogger::CRON_ACTION, LOG_INFO, "Could not find acme.sh - installing it to /root/.acme.sh/");
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$return = false;
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\Froxlor\FileDir::safe_exec("wget -O - https://get.acme.sh | sh", $return, array(
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'|'
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));
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}
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}
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private static function checkUpgrade()
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{
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$acmesh_result = \Froxlor\FileDir::safe_exec(self::$acmesh . " --upgrade");
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// check for activated cron (which is installed automatically) but we don't need it
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$acmesh_result2 = \Froxlor\FileDir::safe_exec(self::$acmesh . " --uninstall-cronjob");
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FroxlorLogger::getInstanceOf()->logAction(FroxlorLogger::CRON_ACTION, LOG_INFO, "Checking for LetsEncrypt client upgrades before renewing certificates:\n" . implode("\n", $acmesh_result) . "\n" . implode("\n", $acmesh_result2));
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}
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}
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