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<?php
declare(strict_types=1);
/*
* @copyright 2021 Christoph Wurst <christoph@winzerhof-wurst.at>
*
* @author 2021 Christoph Wurst <christoph@winzerhof-wurst.at>
*
* @license GNU AGPL version 3 or any later version
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as
* published by the Free Software Foundation, either version 3 of the
* License, or (at your option) any later version.
*
* This program 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. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
namespace OCA\DAV\Listener;
use OCA\DAV\Connector\Sabre\Principal;
use OCA\DAV\Events\CalendarObjectCreatedEvent;
use OCA\DAV\Events\CalendarObjectUpdatedEvent;
use OCA\DAV\Events\CalendarShareUpdatedEvent;
use OCP\Contacts\Events\ContactInteractedWithEvent;
use OCP\EventDispatcher\Event;
use OCP\EventDispatcher\IEventDispatcher;
use OCP\EventDispatcher\IEventListener;
use OCP\IUser;
use OCP\IUserSession;
use OCP\Mail\IMailer;
use Psr\Log\LoggerInterface;
use Sabre\VObject\Component\VEvent;
use Sabre\VObject\Parameter;
use Sabre\VObject\Property;
use Sabre\VObject\Reader;
use Throwable;
use function strlen;
use function strpos;
use function substr;
class CalendarContactInteractionListener implements IEventListener {
private const URI_USERS = 'principals/users/';
/** @var IEventDispatcher */
private $dispatcher;
/** @var IUserSession */
private $userSession;
/** @var Principal */
private $principalConnector;
/** @var IMailer */
private $mailer;
/** @var LoggerInterface */
private $logger;
public function __construct(IEventDispatcher $dispatcher,
IUserSession $userSession,
Principal $principalConnector,
IMailer $mailer,
LoggerInterface $logger) {
$this->dispatcher = $dispatcher;
$this->userSession = $userSession;
$this->principalConnector = $principalConnector;
$this->mailer = $mailer;
$this->logger = $logger;
}
public function handle(Event $event): void {
if (($user = $this->userSession->getUser()) === null) {
// Without user context we can't do anything
return;
}
if ($event instanceof CalendarObjectCreatedEvent || $event instanceof CalendarObjectUpdatedEvent) {
// users: href => principal:principals/users/admin
foreach ($event->getShares() as $share) {
if (!isset($share['href'])) {
continue;
}
$this->emitFromUri($share['href'], $user);
}
// emit interaction for email attendees as well
if (isset($event->getObjectData()['calendardata'])) {
try {
$calendar = Reader::read($event->getObjectData()['calendardata']);
if ($calendar->VEVENT) {
foreach ($calendar->VEVENT as $calendarEvent) {
$this->emitFromObject($calendarEvent, $user);
}
}
} catch (Throwable $e) {
$this->logger->warning('Could not read calendar data for interaction events: ' . $e->getMessage(), [
'exception' => $e,
]);
}
}
}
if ($event instanceof CalendarShareUpdatedEvent && !empty($event->getAdded())) {
// group: href => principal:principals/groups/admin
// users: href => principal:principals/users/admin
foreach ($event->getAdded() as $added) {
if (!isset($added['href'])) {
// Nothing to work with
continue;
}
$this->emitFromUri($added['href'], $user);
}
}
}
private function emitFromUri(string $uri, IUser $user): void {
$principal = $this->principalConnector->findByUri(
$uri,
$this->principalConnector->getPrincipalPrefix()
);
if ($principal === null) {
// Invalid principal
return;
}
if (strpos($principal, self::URI_USERS) !== 0) {
// Not a user principal
return;
}
$uid = substr($principal, strlen(self::URI_USERS));
$this->dispatcher->dispatchTyped(
(new ContactInteractedWithEvent($user))->setUid($uid)
);
}
private function emitFromObject(VEvent $vevent, IUser $user): void {
if (!$vevent->ATTENDEE) {
// Nothing left to do
return;
}
foreach ($vevent->ATTENDEE as $attendee) {
if (!($attendee instanceof Property)) {
continue;
}
$cuType = $attendee->offsetGet('CUTYPE');
if ($cuType instanceof Parameter && $cuType->getValue() !== 'INDIVIDUAL') {
// Don't care about those
continue;
}
$mailTo = $attendee->getValue();
if (strpos($mailTo, 'mailto:') !== 0) {
// Doesn't look like an email
continue;
}
$email = substr($mailTo, strlen('mailto:'));
if (!$this->mailer->validateMailAddress($email)) {
// This really isn't a valid email
continue;
}
$this->dispatcher->dispatchTyped(
(new ContactInteractedWithEvent($user))->setEmail($email)
);
}
}
}
|