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<?php
declare(strict_types=1);
/**
* SPDX-FileCopyrightText: 2019 Nextcloud GmbH and Nextcloud contributors
* SPDX-License-Identifier: AGPL-3.0-or-later
*/
namespace OC\Authentication\Listeners;
use Exception;
use OC\Authentication\Events\RemoteWipeFinished;
use OC\Authentication\Events\RemoteWipeStarted;
use OCP\EventDispatcher\Event;
use OCP\EventDispatcher\IEventListener;
use OCP\IL10N;
use OCP\IUser;
use OCP\IUserManager;
use OCP\L10N\IFactory as IL10nFactory;
use OCP\Mail\IMailer;
use OCP\Mail\IMessage;
use Psr\Log\LoggerInterface;
use function substr;
/**
* @template-implements IEventListener<\OC\Authentication\Events\ARemoteWipeEvent>
*/
class RemoteWipeEmailListener implements IEventListener {
/** @var IMailer */
private $mailer;
/** @var IUserManager */
private $userManager;
/** @var IL10N */
private $l10n;
/** @var LoggerInterface */
private $logger;
public function __construct(IMailer $mailer,
IUserManager $userManager,
IL10nFactory $l10nFactory,
LoggerInterface $logger) {
$this->mailer = $mailer;
$this->userManager = $userManager;
$this->l10n = $l10nFactory->get('core');
$this->logger = $logger;
}
/**
* @param Event $event
*/
public function handle(Event $event): void {
if ($event instanceof RemoteWipeStarted) {
$uid = $event->getToken()->getUID();
$user = $this->userManager->get($uid);
if ($user === null) {
$this->logger->warning("not sending a wipe started email because user <$uid> does not exist (anymore)");
return;
}
if ($user->getEMailAddress() === null) {
$this->logger->info("not sending a wipe started email because user <$uid> has no email set");
return;
}
try {
$this->mailer->send(
$this->getWipingStartedMessage($event, $user)
);
} catch (Exception $e) {
$this->logger->error("Could not send remote wipe started email to <$uid>", [
'exception' => $e,
]);
}
} elseif ($event instanceof RemoteWipeFinished) {
$uid = $event->getToken()->getUID();
$user = $this->userManager->get($uid);
if ($user === null) {
$this->logger->warning("not sending a wipe finished email because user <$uid> does not exist (anymore)");
return;
}
if ($user->getEMailAddress() === null) {
$this->logger->info("not sending a wipe finished email because user <$uid> has no email set");
return;
}
try {
$this->mailer->send(
$this->getWipingFinishedMessage($event, $user)
);
} catch (Exception $e) {
$this->logger->error("Could not send remote wipe finished email to <$uid>", [
'exception' => $e,
]);
}
}
}
private function getWipingStartedMessage(RemoteWipeStarted $event, IUser $user): IMessage {
$message = $this->mailer->createMessage();
$emailTemplate = $this->mailer->createEMailTemplate('auth.RemoteWipeStarted');
$plainHeading = $this->l10n->t('Wiping of device %s has started', [$event->getToken()->getName()]);
$htmlHeading = $this->l10n->t('Wiping of device »%s« has started', [$event->getToken()->getName()]);
$emailTemplate->setSubject(
$this->l10n->t(
'»%s« started remote wipe',
[
substr($event->getToken()->getName(), 0, 15)
]
)
);
$emailTemplate->addHeader();
$emailTemplate->addHeading(
$htmlHeading,
$plainHeading
);
$emailTemplate->addBodyText(
$this->l10n->t('Device or application »%s« has started the remote wipe process. You will receive another email once the process has finished', [$event->getToken()->getName()])
);
$emailTemplate->addFooter();
$message->setTo([$user->getEMailAddress()]);
$message->useTemplate($emailTemplate);
return $message;
}
private function getWipingFinishedMessage(RemoteWipeFinished $event, IUser $user): IMessage {
$message = $this->mailer->createMessage();
$emailTemplate = $this->mailer->createEMailTemplate('auth.RemoteWipeFinished');
$plainHeading = $this->l10n->t('Wiping of device %s has finished', [$event->getToken()->getName()]);
$htmlHeading = $this->l10n->t('Wiping of device »%s« has finished', [$event->getToken()->getName()]);
$emailTemplate->setSubject(
$this->l10n->t(
'»%s« finished remote wipe',
[
substr($event->getToken()->getName(), 0, 15)
]
)
);
$emailTemplate->addHeader();
$emailTemplate->addHeading(
$htmlHeading,
$plainHeading
);
$emailTemplate->addBodyText(
$this->l10n->t('Device or application »%s« has finished the remote wipe process.', [$event->getToken()->getName()])
);
$emailTemplate->addFooter();
$message->setTo([$user->getEMailAddress()]);
$message->useTemplate($emailTemplate);
return $message;
}
}
|