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<?php
/**
* Copyright (c) 2013 Robin Appelman <icewind@owncloud.com>
* This file is licensed under the Affero General Public License version 3 or
* later.
* See the COPYING-README file.
*/
namespace OC;
use OC\Hooks\BasicEmitter;
/**
* Class that handles autoupdating of ownCloud
*
* Hooks provided in scope \OC\Updater
* - maintenanceStart()
* - maintenanceEnd()
* - dbUpgrade()
* - filecacheStart()
* - filecacheProgress(int $percentage)
* - filecacheDone()
* - failure(string $message)
*/
class Updater extends BasicEmitter {
/**
* @var \OC\Log $log
*/
private $log;
/**
* @param \OC\Log $log
*/
public function __construct($log = null) {
$this->log = $log;
}
/**
* Check if a new version is available
* @param string $updateUrl the url to check, i.e. 'http://apps.owncloud.com/updater.php'
* @return array | bool
*/
public function check($updaterUrl) {
// Look up the cache - it is invalidated all 30 minutes
if ((\OC_Appconfig::getValue('core', 'lastupdatedat') + 1800) > time()) {
return json_decode(\OC_Appconfig::getValue('core', 'lastupdateResult'), true);
}
\OC_Appconfig::setValue('core', 'lastupdatedat', time());
if (\OC_Appconfig::getValue('core', 'installedat', '') == '') {
\OC_Appconfig::setValue('core', 'installedat', microtime(true));
}
$version = \OC_Util::getVersion();
$version['installed'] = \OC_Appconfig::getValue('core', 'installedat');
$version['updated'] = \OC_Appconfig::getValue('core', 'lastupdatedat');
$version['updatechannel'] = \OC_Util::getChannel();
$version['edition'] = \OC_Util::getEditionString();
$versionString = implode('x', $version);
//fetch xml data from updater
$url = $updaterUrl . '?version=' . $versionString;
// set a sensible timeout of 10 sec to stay responsive even if the update server is down.
$ctx = stream_context_create(
array(
'http' => array(
'timeout' => 10
)
)
);
$xml = @file_get_contents($url, 0, $ctx);
if ($xml == false) {
return array();
}
$data = @simplexml_load_string($xml);
$tmp = array();
$tmp['version'] = $data->version;
$tmp['versionstring'] = $data->versionstring;
$tmp['url'] = $data->url;
$tmp['web'] = $data->web;
// Cache the result
\OC_Appconfig::setValue('core', 'lastupdateResult', json_encode($data));
return $tmp;
}
/**
* runs the update actions in maintenance mode, does not upgrade the source files
*/
public function upgrade() {
\OC_DB::enableCaching(false);
\OC_Config::setValue('maintenance', true);
$installedVersion = \OC_Config::getValue('version', '0.0.0');
$currentVersion = implode('.', \OC_Util::getVersion());
if ($this->log) {
$this->log->debug('starting upgrade from ' . $installedVersion . ' to ' . $currentVersion, array('app' => 'core'));
}
$this->emit('\OC\Updater', 'maintenanceStart');
try {
\OC_DB::updateDbFromStructure(\OC::$SERVERROOT . '/db_structure.xml');
$this->emit('\OC\Updater', 'dbUpgrade');
// do a file cache upgrade for users with files
// this can take loooooooooooooooooooooooong
$this->upgradeFileCache();
} catch (\Exception $exception) {
$this->emit('\OC\Updater', 'failure', array($exception->getMessage()));
}
\OC_Config::setValue('version', implode('.', \OC_Util::getVersion()));
\OC_App::checkAppsRequirements();
// load all apps to also upgrade enabled apps
\OC_App::loadApps();
\OC_Config::setValue('maintenance', false);
$this->emit('\OC\Updater', 'maintenanceEnd');
}
private function upgradeFileCache() {
try {
$query = \OC_DB::prepare('
SELECT DISTINCT `user`
FROM `*PREFIX*fscache`
');
$result = $query->execute();
} catch (\Exception $e) {
return;
}
$users = $result->fetchAll();
if (count($users) == 0) {
return;
}
$step = 100 / count($users);
$percentCompleted = 0;
$lastPercentCompletedOutput = 0;
$startInfoShown = false;
foreach ($users as $userRow) {
$user = $userRow['user'];
\OC\Files\Filesystem::initMountPoints($user);
\OC\Files\Cache\Upgrade::doSilentUpgrade($user);
if (!$startInfoShown) {
//We show it only now, because otherwise Info about upgraded apps
//will appear between this and progress info
$this->emit('\OC\Updater', 'filecacheStart');
$startInfoShown = true;
}
$percentCompleted += $step;
$out = floor($percentCompleted);
if ($out != $lastPercentCompletedOutput) {
$this->emit('\OC\Updater', 'filecacheProgress', array($out));
$lastPercentCompletedOutput = $out;
}
}
$this->emit('\OC\Updater', 'filecacheDone');
}
}
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