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<?php
declare(strict_types=1);
/**
* SPDX-FileCopyrightText: 2016 ownCloud, Inc.
* SPDX-License-Identifier: AGPL-3.0-only
*/
namespace OCA\UpdateNotification\BackgroundJob;
use OC\Installer;
use OC\Updater\VersionCheck;
use OCP\App\IAppManager;
use OCP\AppFramework\Services\IAppConfig;
use OCP\AppFramework\Utility\ITimeFactory;
use OCP\BackgroundJob\TimedJob;
use OCP\IConfig;
use OCP\IGroup;
use OCP\IGroupManager;
use OCP\Notification\IManager;
use OCP\ServerVersion;
class UpdateAvailableNotifications extends TimedJob {
protected $connectionNotifications = [3, 7, 14, 30];
/** @var string[] */
protected $users;
public function __construct(
ITimeFactory $timeFactory,
protected ServerVersion $serverVersion,
protected IConfig $config,
protected IAppConfig $appConfig,
protected IManager $notificationManager,
protected IGroupManager $groupManager,
protected IAppManager $appManager,
protected Installer $installer,
protected VersionCheck $versionCheck,
) {
parent::__construct($timeFactory);
// Run once a day
$this->setInterval(60 * 60 * 24);
}
protected function run($argument) {
// Do not check for updates if not connected to the internet
if (!$this->config->getSystemValueBool('has_internet_connection', true)) {
return;
}
if (\OC::$CLI && !$this->config->getSystemValueBool('debug', false)) {
try {
// Jitter the pinging of the updater server and the appstore a bit.
// Otherwise all Nextcloud installations are pinging the servers
// in one of 288
sleep(random_int(1, 180));
} catch (\Exception $e) {
}
}
$this->checkCoreUpdate();
$this->checkAppUpdates();
}
/**
* Check for ownCloud update
*/
protected function checkCoreUpdate() {
if (\in_array($this->serverVersion->getChannel(), ['daily', 'git'], true)) {
// "These aren't the update channels you're looking for." - Ben Obi-Wan Kenobi
return;
}
$status = $this->versionCheck->check();
if ($status === false) {
$errors = 1 + $this->appConfig->getAppValueInt('update_check_errors', 0);
$this->appConfig->setAppValueInt('update_check_errors', $errors);
if (\in_array($errors, $this->connectionNotifications, true)) {
$this->sendErrorNotifications($errors);
}
} elseif (\is_array($status)) {
$this->appConfig->setAppValueInt('update_check_errors', 0);
$this->clearErrorNotifications();
if (isset($status['version'])) {
$this->createNotifications('core', $status['version'], $status['versionstring']);
}
}
}
/**
* Send a message to the admin when the update server could not be reached
* @param int $numDays
*/
protected function sendErrorNotifications($numDays) {
$this->clearErrorNotifications();
$notification = $this->notificationManager->createNotification();
try {
$notification->setApp('updatenotification')
->setDateTime(new \DateTime())
->setObject('updatenotification', 'error')
->setSubject('connection_error', ['days' => $numDays]);
foreach ($this->getUsersToNotify() as $uid) {
$notification->setUser($uid);
$this->notificationManager->notify($notification);
}
} catch (\InvalidArgumentException $e) {
return;
}
}
/**
* Remove error notifications again
*/
protected function clearErrorNotifications() {
$notification = $this->notificationManager->createNotification();
try {
$notification->setApp('updatenotification')
->setSubject('connection_error')
->setObject('updatenotification', 'error');
} catch (\InvalidArgumentException $e) {
return;
}
$this->notificationManager->markProcessed($notification);
}
/**
* Check all installed apps for updates
*/
protected function checkAppUpdates() {
$apps = $this->appManager->getInstalledApps();
foreach ($apps as $app) {
$update = $this->isUpdateAvailable($app);
if ($update !== false) {
$this->createNotifications($app, $update);
}
}
}
/**
* Create notifications for this app version
*
* @param string $app
* @param string $version
* @param string $visibleVersion
*/
protected function createNotifications($app, $version, $visibleVersion = '') {
$lastNotification = $this->appConfig->getAppValueString($app, '');
if ($lastNotification === $version) {
// We already notified about this update
return;
}
if ($lastNotification !== '') {
// Delete old updates
$this->deleteOutdatedNotifications($app, $lastNotification);
}
$notification = $this->notificationManager->createNotification();
try {
$notification->setApp('updatenotification')
->setDateTime(new \DateTime())
->setObject($app, $version);
if ($visibleVersion !== '') {
$notification->setSubject('update_available', ['version' => $visibleVersion]);
} else {
$notification->setSubject('update_available');
}
foreach ($this->getUsersToNotify() as $uid) {
$notification->setUser($uid);
$this->notificationManager->notify($notification);
}
} catch (\InvalidArgumentException $e) {
return;
}
$this->appConfig->setAppValueString($app, $version);
}
/**
* @return string[]
*/
protected function getUsersToNotify(): array {
if ($this->users !== null) {
return $this->users;
}
$notifyGroups = $this->appConfig->getAppValueArray('notify_groups', ['admin']);
$this->users = [];
foreach ($notifyGroups as $group) {
$groupToNotify = $this->groupManager->get($group);
if ($groupToNotify instanceof IGroup) {
foreach ($groupToNotify->getUsers() as $user) {
$this->users[] = $user->getUID();
}
}
}
$this->users = array_values(array_unique($this->users));
return $this->users;
}
/**
* Delete notifications for old updates
*
* @param string $app
* @param string $version
*/
protected function deleteOutdatedNotifications($app, $version) {
$notification = $this->notificationManager->createNotification();
try {
$notification->setApp('updatenotification')
->setObject($app, $version);
} catch (\InvalidArgumentException $e) {
return;
}
$this->notificationManager->markProcessed($notification);
}
/**
* @param string $app
* @return string|false
*/
protected function isUpdateAvailable($app) {
return $this->installer->isUpdateAvailable($app);
}
}
|
