<?php
/**
* Execute Cronjobs
*
* @copyright 2002-2009 by papaya Software GmbH - All rights reserved.
* @link http://www.papaya-cms.com/
* @license http://www.gnu.org/licenses/old-licenses/gpl-2.0.html GNU General Public License, version 2
*
* You can redistribute and/or modify this script under the terms of the GNU General Public
* License (GPL) version 2, provided that the copyright and license notes, including these
* lines, remain unmodified. papaya is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
* FOR A PARTICULAR PURPOSE.
*
* @package Papaya
* @subpackage Administration
* @version $Id: cronexec.php 35042 2010-10-22 10:25:00Z weinert $
*/
$runAtBrowser = FALSE;
$runAtConsole = FALSE;
$verbose = TRUE;

$path = str_replace('\\', '/', dirname(dirname(__FILE__)));
$outputQueue = '';

if (empty($_SERVER['DOCUMENT_ROOT']) &&
    in_array(PHP_SAPI, array('cli', 'cgi')) &&
    isset($_SERVER['argv']) && isset($_SERVER['argv']) &&
    is_array($_SERVER['argv']) && count($_SERVER['argv']) > 0) {
  //called from cmdline - check for path param
  foreach ($_SERVER['argv'] as $param) {
    if (FALSE !== strpos($param, '--path=')) {
      $path = str_replace('\\', '/', substr($param, 7));
    }
    if (FALSE !== strpos($param, '--quiet')) {
      $verbose = FALSE;
    }
  }
  $runAtConsole = TRUE;
} elseif (isset($_SERVER['SCRIPT_FILENAME']) &&
          file_exists($_SERVER['SCRIPT_FILENAME'])) {
  //called from webbrowser
  $path = str_replace('\\', '/', dirname(dirname($_SERVER['SCRIPT_FILENAME'])));
  $runAtBrowser = TRUE;
} else {
  echo 'Invalid environment. No browser or command line?'."\n";
  exit;
}
//trailing slash
if (substr($path, -1) != '/') {
  $path .= '/';
}
if (file_exists($path) && is_dir($path) && is_file($path.'/conf.inc.php')) {
  /**
  * Papaya document root - front controller directory on server
  * @ignore
  */
  define('PAPAYA_DOCUMENT_ROOT', $path);
  if ($verbose) {
    $outputQueue .= 'Using path: '.htmlspecialchars(PAPAYA_DOCUMENT_ROOT)."\n";
  }
} else {
  echo 'Can not use path: '.htmlspecialchars($path.'/')."\n";
  exit;
}
/**
* Configuration
*/
require_once(dirname(__FILE__)."/inc.conf.php");

/**
* Application
*/
require_once(PAPAYA_INCLUDE_PATH.'system/Papaya/Autoloader.php');
spl_autoload_register('PapayaAutoloader::load');
$application = PapayaApplication::getInstance();
$application->registerProfiles(new PapayaApplicationProfilesCms());

/**
* Optionen
*/
if ($verbose) {
  $outputQueue .= 'Loading options'."\n";
}
require_once(PAPAYA_INCLUDE_PATH.'system/base_options.php');
$PAPAYA_OPTIONS = &base_options::getInstance();
if ($PAPAYA_OPTIONS->loadAndDefine()) {
  if ($verbose) {
    $outputQueue .= 'Options loaded.'."\n";
  }
} else {
  echo 'Can not load options.'."\n";
  exit;
}

if ($runAtBrowser && isset($_GET['job']) && $_GET['job'] > 0) {
  //executed from backend - init session and backend user
  if (defined('PAPAYA_SESSION_NAME')) {
    $application->session->setName('sid'.PAPAYA_SESSION_NAME.'admin');
  } else {
    $application->session->setName('sidadmin');
  }
  $application->session->options->cache = PapayaSessionOptions::CACHE_NONE;
  if ($redirect = $application->session->activate(TRUE)) {
    $redirect->send();
    exit();
  }
}

if ($runAtBrowser) {
  header('Content-Type: text/plain');
}
/* the message is a little bit late, but we have to start the session if needed */
echo $outputQueue;
$outputQueue = '';

if ($runAtBrowser) {
  if (defined('PAPAYA_BROWSER_CRONJOBS') &&
      defined('PAPAYA_BROWSER_CRONJOBS_IP') && PAPAYA_BROWSER_CRONJOBS) {
    include_once(PAPAYA_INCLUDE_PATH.'system/sys_checkit.php');
    $ipAddresses = preg_split('(\s*,\s*)', trim(PAPAYA_BROWSER_CRONJOBS_IP));
    if (isset($_SERVER['REMOTE_ADDR']) &&
        checkit::isIPAddress($_SERVER['REMOTE_ADDR'], TRUE)) {
      $remoteAddess = $_SERVER['REMOTE_ADDR'];
    } else {
      $remoteAddess = NULL;
    }
    if (in_array('0.0.0.0', $ipAddresses) ||
        (isset($remoteAddess) && in_array($remoteAddess, $ipAddresses))) {
      if ($verbose) {
        echo 'Called from: '.htmlspecialchars($remoteAddess)."\n";
      }
    } else {
      echo 'Invalid access from: '.htmlspecialchars($remoteAddess)."\n";
      exit;
    }
  } else {
    echo 'Invalid access'."\n";
    exit;
  }
} elseif ($verbose) {
  echo 'Called from console'."\n";
}

if ($verbose) {
  echo "Initialize logging.\n";
}

$application->messages->setUp($application->options);

if ($verbose) {
  echo "Initialize session and pidfile.\n";
}
require_once(PAPAYA_INCLUDE_PATH.'system/sys_session.php');
require_once(PAPAYA_INCLUDE_PATH.'system/sys_pidfile.php');

if ($verbose) {
  echo "Start (".date('Y-m-d H:i:s').").\n";
}
$pid = &new pidfile(PAPAYA_PATH_CACHE.'papaya_cron.pid');
if ($pid->execute($verbose)) {
  include_once(PAPAYA_INCLUDE_PATH.'system/base_cron.php');
  $cron = &new base_cronjobs;

  if ($runAtBrowser &&
      isset($_GET['job']) && $_GET['job'] > 0) {
    include_once(PAPAYA_INCLUDE_PATH.'system/base_auth.php');
    $PAPAYA_USER = &new base_auth();
    $PAPAYA_USER->initialize();
    if ($PAPAYA_USER->execLogin() && $PAPAYA_USER->hasPerm(32)) {
      if ($verbose) {
        echo "Job id: ".(int)$_GET['job']."\n";
      }
      if ($cronjobId = $cron->checkJob($_GET['job'], FALSE)) {
        if ($verbose) {
          echo "Job loaded.\n";
        }
        $cron->executeJob($cronjobId, $verbose);
      } else {
        echo 'Not found.'."\n";
      }
    } else {
      echo 'Invalid user'."\n";
    }
  } elseif ($runAtConsole &&
            isset($_GET['job']) &&  $_GET['job'] > 0) {
    if ($verbose) {
      echo "Job id: ".(int)$_GET['job']."\n";
    }
    if ($cronjobId = $cron->checkJob($_GET['job'], TRUE)) {
      if ($verbose) {
        echo "Job loaded.\n";
      }
      $cron->executeJob($cronjobId, $verbose);
    } else {
      echo 'Not found or not active.'."\n";
    }
  } elseif ($cronjobId = $cron->getNext()) {
    if ($verbose) {
      echo "Job id: ".$cronjobId."\n";
    }
    $cron->executeJob($cronjobId, $verbose);
  }
  if ($verbose) {
    echo "End.\n";
  }
  $pid->delete();
  return 0;
} else {
  if ($verbose) {
    echo "Second Instance. Stop.\n";
  }
  return 1;
}

?>