cron.php

<?php
/**
 * Copyright 2008, Jefferson González (JegoYalu.com)
 * This file is part of Jaris CMS and licensed under the GPL,
 * check the LICENSE.txt file for version and details or visit
 * https://opensource.org/licenses/GPL-3.0.
 *
 * Script to run all cron jobs.
 *
 * @example To run cron job from system an example command is the following:
 * /usr/bin/php-cgi /home/username/public_html/cron.php "HTTP_HOST=www.mysite.com" or
 * /usr/bin/php-cgi /home/username/public_html/cron.php 'HTTP_HOST=www.mysite.com' or
 * /usr/bin/php /home/username/public_html/cron.php www.mysite.com
 */

//Disables execution time and enables unlimited execution time for cron jobs
ini_set('max_execution_time', '0');

//If running in cli mode
if (php_sapi_name() == "cli") {
    chdir(__DIR__);

    if (isset($_SERVER["argv"][1])) {
        $_REQUEST["HTTP_HOST"] = $_SERVER["argv"][1];
    } else {
        $_REQUEST["HTTP_HOST"] = "localhost";
    }
}

//Register autoloader
require 'src/Autoloader.php';
Jaris\Autoloader::register();

//Shorthand functions commonly used on legacy templates
require 'src/Aliases.php';

//Include backward compatible functions if include dir exists
if (file_exists("include/forms.php")) {
    require 'src/DeprecatedFunctions.php';
}

//Initialize settings.
Jaris\Site::init();

//Starts the main session for the user
if (isset($_SERVER["SERVER_NAME"])) {
    Jaris\Session::startIfUserLogged();
}

//Initialize error handler
Jaris\System::initiateErrorCatchSystem();

//Check if cms is run for the first time and run the installer
Jaris\System::checkIfNotInstalled();

//Check if site status is online to continue
Jaris\Site::checkIfOffline();

//Check if cron is already running and if running exit cron script
$cron_file = fopen(Jaris\Site::dataDir() . "cron_running.lock", "w+");
$cron_lock = flock($cron_file, LOCK_EX | LOCK_NB, $cron_wouldblock);

if (!$cron_lock && $cron_wouldblock) {
    exit;
}

//Load installed modules
Jaris\Site::loadModules();

//Calls the cron job function of each module that requires it
Jaris\Modules::hook("hook_cronjob");

//Save execution time
Jaris\Settings::save("last_cron_jobs_run", (string)time(), "main");

//Remove cron lock file
flock($cron_file, LOCK_UN);
fclose($cron_file);
unlink(Jaris\Site::dataDir() . "cron_running.lock");

//If script was executed from control panel return to it
if (isset($_REQUEST["return"])) {
    Jaris\View::addMessage(t("All jobs successfully executed."));
    Jaris\Uri::go($_REQUEST["return"]);
} elseif (!Jaris\Authentication::isAdminLogged() && isset($_SERVER["SERVER_NAME"])) {
    Jaris\Uri::go("");
}