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<?php
/**
* @package admintools
* @copyright Copyright (c)2010-2021 Nicholas K. Dionysopoulos / Akeeba Ltd
* @license GNU General Public License version 3, or later
*/
namespace Akeeba\AdminTools\Admin\Model;
defined('_JEXEC') || die;
use AkeebaUsagestats;
use Exception;
use FOF40\Model\Model;
use Joomla\CMS\Uri\Uri;
class Stats extends Model
{
/**
* Get an existing unique site ID or create a new one
*
* @return string
*/
public function getSiteId()
{
// Can I load a site ID from the database?
$siteId = $this->getCommonVariable('stats_siteid', null);
// Can I load the site Url from the database?
$siteUrl = $this->getCommonVariable('stats_siteurl', null);
// No id or the saved URL is not the same as the current one (ie site restored to a new url)?
// Create a new, random site ID and save it to the database
if (empty($siteId) || (md5(Uri::base()) != $siteUrl))
{
$siteUrl = md5(Uri::base());
$this->setCommonVariable('stats_siteurl', $siteUrl);
$randomData = $this->getRandomData(120);
$siteId = sha1($randomData);
$this->setCommonVariable('stats_siteid', $siteId);
}
return $siteId;
}
/**
* Send site information to the remove collection service
*
* @param bool $useIframe Should I use an IFRAME?
*
* @return bool
*/
public function collectStatistics($useIframe)
{
// Make sure there is a site ID set
$siteId = $this->getSiteId();
// UsageStats file is missing, no need to continue
if (!file_exists(JPATH_ROOT . '/administrator/components/com_admintools/assets/stats/usagestats.php'))
{
return false;
}
if (!class_exists('AkeebaUsagestats', false))
{
require_once JPATH_ROOT . '/administrator/components/com_admintools/assets/stats/usagestats.php';
}
// UsageStats file is missing, no need to continue
if (!class_exists('AkeebaUsagestats'))
{
return false;
}
$lastrun = $this->getCommonVariable('stats_lastrun', 0);
// Data collection is turned off
if (!$this->container->params->get('stats_enabled', 1))
{
return false;
}
// It's not time to collect the stats
if (time() < ($lastrun + 3600 * 24))
{
return false;
}
require_once JPATH_ROOT . '/administrator/components/com_admintools/version.php';
$db = $this->container->db;
$stats = new AkeebaUsagestats();
$stats->setSiteId($siteId);
// I can't use list since dev release don't have any dots
$at_parts = explode('.', ADMINTOOLS_VERSION);
$at_major = $at_parts[0];
$at_minor = $at_parts[1] ?? '';
$at_revision = $at_parts[2] ?? '';
[$php_major, $php_minor, $php_revision] = explode('.', phpversion());
$php_qualifier = strpos($php_revision, '~') !== false ? substr($php_revision, strpos($php_revision, '~')) : '';
[$cms_major, $cms_minor, $cms_revision] = explode('.', JVERSION);
[$db_major, $db_minor, $db_revision] = explode('.', $db->getVersion());
$db_qualifier = strpos($db_revision, '~') !== false ? substr($db_revision, strpos($db_revision, '~')) : '';
$db_driver = get_class($db);
if (stripos($db_driver, 'mysql') !== false)
{
$stats->setValue('dt', 1);
}
elseif (stripos($db_driver, 'sqlsrv') !== false || stripos($db_driver, 'sqlazure'))
{
$stats->setValue('dt', 2);
}
elseif (stripos($db_driver, 'postgresql') !== false)
{
$stats->setValue('dt', 3);
}
else
{
$stats->setValue('dt', 0);
}
$stats->setValue('sw', ADMINTOOLS_PRO ? 4 : 3); // software
$stats->setValue('pro', ADMINTOOLS_PRO); // pro
$stats->setValue('sm', $at_major); // software_major
$stats->setValue('sn', $at_minor); // software_minor
$stats->setValue('sr', $at_revision); // software_revision
$stats->setValue('pm', $php_major); // php_major
$stats->setValue('pn', $php_minor); // php_minor
$stats->setValue('pr', $php_revision); // php_revision
$stats->setValue('pq', $php_qualifier); // php_qualifiers
$stats->setValue('dm', $db_major); // db_major
$stats->setValue('dn', $db_minor); // db_minor
$stats->setValue('dr', $db_revision); // db_revision
$stats->setValue('dq', $db_qualifier); // db_qualifiers
$stats->setValue('ct', 1); // cms_type
$stats->setValue('cm', $cms_major); // cms_major
$stats->setValue('cn', $cms_minor); // cms_minor
$stats->setValue('cr', $cms_revision); // cms_revision
// Store the last execution time. We must store it even if we fail since we don't want a failed stats collection
// to cause the site to stop responding.
$this->setCommonVariable('stats_lastrun', time());
$return = $stats->sendInfo($useIframe);
return $return;
}
/**
* Load a variable from the common variables table. If it doesn't exist it returns $default
*
* @param string $key The key to load
* @param mixed $default The default value if the key doesn't exist
*
* @return mixed The contents of the key or null if it's not present
*/
public function getCommonVariable($key, $default = null)
{
$db = $this->container->db;
$query = $db->getQuery(true)
->select($db->qn('value'))
->from($db->qn('#__akeeba_common'))
->where($db->qn('key') . ' = ' . $db->q($key));
try
{
$db->setQuery($query);
$result = $db->loadResult();
}
catch (Exception $e)
{
$result = $default;
}
return $result;
}
/**
* Set a variable to the common variables table.
*
* @param string $key The key to save
* @param mixed $value The value to save
*/
public function setCommonVariable($key, $value)
{
$db = $this->container->db;
$query = $db->getQuery(true)
->select('COUNT(*)')
->from($db->qn('#__akeeba_common'))
->where($db->qn('key') . ' = ' . $db->q($key));
try
{
$db->setQuery($query);
$count = $db->loadResult();
}
catch (Exception $e)
{
return;
}
if (!$count)
{
$query = $db->getQuery(true)
->insert($db->qn('#__akeeba_common'))
->columns([$db->qn('key'), $db->qn('value')])
->values($db->q($key) . ', ' . $db->q($value));
}
else
{
$query = $db->getQuery(true)
->update($db->qn('#__akeeba_common'))
->set($db->qn('value') . ' = ' . $db->q($value))
->where($db->qn('key') . ' = ' . $db->q($key));
}
try
{
$db->setQuery($query)->execute();
}
catch (Exception $e)
{
}
}
/**
*
* Returns a cryptographically secure random value.
*
* @param integer $bytes How many bytes to return
*
* @return string
*/
public function getRandomData($bytes = 32)
{
if (extension_loaded('openssl') && (version_compare(PHP_VERSION, '5.3.4') >= 0 || IS_WIN))
{
$strong = false;
$randBytes = openssl_random_pseudo_bytes($bytes, $strong);
if ($strong)
{
return $randBytes;
}
}
if (extension_loaded('mcrypt'))
{
return mcrypt_create_iv($bytes, MCRYPT_DEV_URANDOM);
}
return random_bytes($bytes);
}
}