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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 OCA\Files_Sharing\Notification;
use OCP\Files\IRootFolder;
use OCP\Files\NotFoundException;
use OCP\IGroupManager;
use OCP\IL10N;
use OCP\IURLGenerator;
use OCP\IUser;
use OCP\IUserManager;
use OCP\L10N\IFactory;
use OCP\Notification\AlreadyProcessedException;
use OCP\Notification\INotification;
use OCP\Notification\INotifier;
use OCP\Notification\UnknownNotificationException;
use OCP\Share\Exceptions\ShareNotFound;
use OCP\Share\IManager;
use OCP\Share\IShare;
class Notifier implements INotifier {
public const INCOMING_USER_SHARE = 'incoming_user_share';
public const INCOMING_GROUP_SHARE = 'incoming_group_share';
/** @var IFactory */
protected $l10nFactory;
/** @var IManager */
private $shareManager;
/** @var IRootFolder */
private $rootFolder;
/** @var IGroupManager */
protected $groupManager;
/** @var IUserManager */
protected $userManager;
/** @var IURLGenerator */
protected $url;
public function __construct(IFactory $l10nFactory,
IManager $shareManager,
IRootFolder $rootFolder,
IGroupManager $groupManager,
IUserManager $userManager,
IURLGenerator $url) {
$this->l10nFactory = $l10nFactory;
$this->shareManager = $shareManager;
$this->rootFolder = $rootFolder;
$this->groupManager = $groupManager;
$this->userManager = $userManager;
$this->url = $url;
}
/**
* Identifier of the notifier, only use [a-z0-9_]
*
* @return string
* @since 17.0.0
*/
public function getID(): string {
return 'files_sharing';
}
/**
* Human readable name describing the notifier
*
* @return string
* @since 17.0.0
*/
public function getName(): string {
return $this->l10nFactory->get('files_sharing')->t('File sharing');
}
/**
* @param INotification $notification
* @param string $languageCode The code of the language that should be used to prepare the notification
* @return INotification
* @throws UnknownNotificationException When the notification was not prepared by a notifier
* @throws AlreadyProcessedException When the notification is not needed anymore and should be deleted
* @since 9.0.0
*/
public function prepare(INotification $notification, string $languageCode): INotification {
if ($notification->getApp() !== 'files_sharing' ||
($notification->getSubject() !== 'expiresTomorrow' &&
$notification->getObjectType() !== 'share')) {
throw new UnknownNotificationException('Unhandled app or subject');
}
$l = $this->l10nFactory->get('files_sharing', $languageCode);
$attemptId = $notification->getObjectId();
try {
$share = $this->shareManager->getShareById($attemptId, $notification->getUser());
} catch (ShareNotFound $e) {
throw new AlreadyProcessedException();
}
try {
$share->getNode();
} catch (NotFoundException $e) {
// Node is already deleted, so discard the notification
throw new AlreadyProcessedException();
}
if ($notification->getSubject() === 'expiresTomorrow') {
$notification = $this->parseShareExpiration($share, $notification, $l);
} else {
$notification = $this->parseShareInvitation($share, $notification, $l);
}
return $notification;
}
protected function parseShareExpiration(IShare $share, INotification $notification, IL10N $l): INotification {
$node = $share->getNode();
$userFolder = $this->rootFolder->getUserFolder($notification->getUser());
$path = $userFolder->getRelativePath($node->getPath());
$notification
->setParsedSubject($l->t('Share will expire tomorrow'))
->setRichMessage(
$l->t('Your share of {node} will expire tomorrow'),
[
'node' => [
'type' => 'file',
'id' => $node->getId(),
'name' => $node->getName(),
'path' => $path,
],
]
);
return $notification;
}
protected function parseShareInvitation(IShare $share, INotification $notification, IL10N $l): INotification {
if ($share->getShareType() === IShare::TYPE_USER) {
if ($share->getStatus() !== IShare::STATUS_PENDING) {
throw new AlreadyProcessedException();
}
} elseif ($share->getShareType() === IShare::TYPE_GROUP) {
if ($share->getStatus() !== IShare::STATUS_PENDING) {
throw new AlreadyProcessedException();
}
} else {
throw new UnknownNotificationException('Invalid share type');
}
switch ($notification->getSubject()) {
case self::INCOMING_USER_SHARE:
if ($share->getSharedWith() !== $notification->getUser()) {
throw new AlreadyProcessedException();
}
$sharer = $this->userManager->get($share->getSharedBy());
if (!$sharer instanceof IUser) {
throw new \InvalidArgumentException('Temporary failure');
}
$subject = $l->t('You received {share} as a share by {user}');
$subjectParameters = [
'share' => [
'type' => 'highlight',
'id' => $notification->getObjectId(),
'name' => $share->getTarget(),
],
'user' => [
'type' => 'user',
'id' => $sharer->getUID(),
'name' => $sharer->getDisplayName(),
],
];
break;
case self::INCOMING_GROUP_SHARE:
$user = $this->userManager->get($notification->getUser());
if (!$user instanceof IUser) {
throw new AlreadyProcessedException();
}
$group = $this->groupManager->get($share->getSharedWith());
if ($group === null || !$group->inGroup($user)) {
throw new AlreadyProcessedException();
}
if ($share->getPermissions() === 0) {
// Already rejected
throw new AlreadyProcessedException();
}
$sharer = $this->userManager->get($share->getSharedBy());
if (!$sharer instanceof IUser) {
throw new \InvalidArgumentException('Temporary failure');
}
$subject = $l->t('You received {share} to group {group} as a share by {user}');
$subjectParameters = [
'share' => [
'type' => 'highlight',
'id' => $notification->getObjectId(),
'name' => $share->getTarget(),
],
'group' => [
'type' => 'user-group',
'id' => $group->getGID(),
'name' => $group->getDisplayName(),
],
'user' => [
'type' => 'user',
'id' => $sharer->getUID(),
'name' => $sharer->getDisplayName(),
],
];
break;
default:
throw new UnknownNotificationException('Invalid subject');
}
$notification->setRichSubject($subject, $subjectParameters)
->setIcon($this->url->getAbsoluteURL($this->url->imagePath('core', 'actions/share.svg')));
$acceptAction = $notification->createAction();
$acceptAction->setParsedLabel($l->t('Accept'))
->setLink($this->url->linkToOCSRouteAbsolute('files_sharing.ShareAPI.acceptShare', ['id' => $share->getId()]), 'POST')
->setPrimary(true);
$notification->addParsedAction($acceptAction);
$rejectAction = $notification->createAction();
$rejectAction->setParsedLabel($l->t('Decline'))
->setLink($this->url->linkToOCSRouteAbsolute('files_sharing.ShareAPI.deleteShare', ['id' => $share->getId()]), 'DELETE')
->setPrimary(false);
$notification->addParsedAction($rejectAction);
return $notification;
}
}
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