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<?php
/**
* SPDX-FileCopyrightText: 2016-2024 Nextcloud GmbH and Nextcloud contributors
* SPDX-FileCopyrightText: 2016 ownCloud, Inc.
* SPDX-License-Identifier: AGPL-3.0-only
*/
namespace OCA\DAV\CalDAV;
use OCA\DAV\AppInfo\PluginManager;
use OCA\DAV\CalDAV\Integration\ExternalCalendar;
use OCA\DAV\CalDAV\Integration\ICalendarProvider;
use OCA\DAV\CalDAV\Trashbin\TrashbinHome;
use OCP\IConfig;
use OCP\IL10N;
use Psr\Log\LoggerInterface;
use Sabre\CalDAV\Backend\BackendInterface;
use Sabre\CalDAV\Backend\NotificationSupport;
use Sabre\CalDAV\Backend\SchedulingSupport;
use Sabre\CalDAV\Backend\SubscriptionSupport;
use Sabre\CalDAV\Schedule\Inbox;
use Sabre\CalDAV\Subscriptions\Subscription;
use Sabre\DAV\Exception\MethodNotAllowed;
use Sabre\DAV\Exception\NotFound;
use Sabre\DAV\INode;
use Sabre\DAV\MkCol;
class CalendarHome extends \Sabre\CalDAV\CalendarHome {
/** @var IL10N */
private $l10n;
/** @var IConfig */
private $config;
/** @var PluginManager */
private $pluginManager;
private ?array $cachedChildren = null;
public function __construct(
BackendInterface $caldavBackend,
array $principalInfo,
private LoggerInterface $logger,
private bool $returnCachedSubscriptions,
) {
parent::__construct($caldavBackend, $principalInfo);
$this->l10n = \OC::$server->getL10N('dav');
$this->config = \OC::$server->getConfig();
$this->pluginManager = new PluginManager(
\OC::$server,
\OC::$server->getAppManager()
);
}
/**
* @return BackendInterface
*/
public function getCalDAVBackend() {
return $this->caldavBackend;
}
/**
* @inheritdoc
*/
public function createExtendedCollection($name, MkCol $mkCol): void {
$reservedNames = [
BirthdayService::BIRTHDAY_CALENDAR_URI,
TrashbinHome::NAME,
];
if (\in_array($name, $reservedNames, true) || ExternalCalendar::doesViolateReservedName($name)) {
throw new MethodNotAllowed('The resource you tried to create has a reserved name');
}
parent::createExtendedCollection($name, $mkCol);
}
/**
* @inheritdoc
*/
public function getChildren() {
if ($this->cachedChildren) {
return $this->cachedChildren;
}
$calendars = $this->caldavBackend->getCalendarsForUser($this->principalInfo['uri']);
$objects = [];
foreach ($calendars as $calendar) {
$objects[] = new Calendar($this->caldavBackend, $calendar, $this->l10n, $this->config, $this->logger);
}
if ($this->caldavBackend instanceof SchedulingSupport) {
$objects[] = new Inbox($this->caldavBackend, $this->principalInfo['uri']);
$objects[] = new Outbox($this->config, $this->principalInfo['uri']);
}
// We're adding a notifications node, if it's supported by the backend.
if ($this->caldavBackend instanceof NotificationSupport) {
$objects[] = new \Sabre\CalDAV\Notifications\Collection($this->caldavBackend, $this->principalInfo['uri']);
}
if ($this->caldavBackend instanceof CalDavBackend) {
$objects[] = new TrashbinHome($this->caldavBackend, $this->principalInfo);
}
// If the backend supports subscriptions, we'll add those as well,
if ($this->caldavBackend instanceof SubscriptionSupport) {
foreach ($this->caldavBackend->getSubscriptionsForUser($this->principalInfo['uri']) as $subscription) {
if ($this->returnCachedSubscriptions) {
$objects[] = new CachedSubscription($this->caldavBackend, $subscription);
} else {
$objects[] = new Subscription($this->caldavBackend, $subscription);
}
}
}
foreach ($this->pluginManager->getCalendarPlugins() as $calendarPlugin) {
/** @var ICalendarProvider $calendarPlugin */
$calendars = $calendarPlugin->fetchAllForCalendarHome($this->principalInfo['uri']);
foreach ($calendars as $calendar) {
$objects[] = $calendar;
}
}
$this->cachedChildren = $objects;
return $objects;
}
/**
* @param string $name
*
* @return INode
*/
public function getChild($name) {
// Special nodes
if ($name === 'inbox' && $this->caldavBackend instanceof SchedulingSupport) {
return new Inbox($this->caldavBackend, $this->principalInfo['uri']);
}
if ($name === 'outbox' && $this->caldavBackend instanceof SchedulingSupport) {
return new Outbox($this->config, $this->principalInfo['uri']);
}
if ($name === 'notifications' && $this->caldavBackend instanceof NotificationSupport) {
return new \Sabre\CalDAV\Notifications\Collection($this->caldavBackend, $this->principalInfo['uri']);
}
if ($name === TrashbinHome::NAME && $this->caldavBackend instanceof CalDavBackend) {
return new TrashbinHome($this->caldavBackend, $this->principalInfo);
}
// Calendar - this covers all "regular" calendars, but not shared
// only check if the method is available
if ($this->caldavBackend instanceof CalDavBackend) {
$calendar = $this->caldavBackend->getCalendarByUri($this->principalInfo['uri'], $name);
if (!empty($calendar)) {
return new Calendar($this->caldavBackend, $calendar, $this->l10n, $this->config, $this->logger);
}
}
// Fallback to cover shared calendars
foreach ($this->caldavBackend->getCalendarsForUser($this->principalInfo['uri']) as $calendar) {
if ($calendar['uri'] === $name) {
return new Calendar($this->caldavBackend, $calendar, $this->l10n, $this->config, $this->logger);
}
}
if ($this->caldavBackend instanceof SubscriptionSupport) {
foreach ($this->caldavBackend->getSubscriptionsForUser($this->principalInfo['uri']) as $subscription) {
if ($subscription['uri'] === $name) {
if ($this->returnCachedSubscriptions) {
return new CachedSubscription($this->caldavBackend, $subscription);
}
return new Subscription($this->caldavBackend, $subscription);
}
}
}
if (ExternalCalendar::isAppGeneratedCalendar($name)) {
[$appId, $calendarUri] = ExternalCalendar::splitAppGeneratedCalendarUri($name);
foreach ($this->pluginManager->getCalendarPlugins() as $calendarPlugin) {
/** @var ICalendarProvider $calendarPlugin */
if ($calendarPlugin->getAppId() !== $appId) {
continue;
}
if ($calendarPlugin->hasCalendarInCalendarHome($this->principalInfo['uri'], $calendarUri)) {
return $calendarPlugin->getCalendarInCalendarHome($this->principalInfo['uri'], $calendarUri);
}
}
}
throw new NotFound('Node with name \'' . $name . '\' could not be found');
}
/**
* @param array $filters
* @param integer|null $limit
* @param integer|null $offset
*/
public function calendarSearch(array $filters, $limit = null, $offset = null) {
$principalUri = $this->principalInfo['uri'];
return $this->caldavBackend->calendarSearch($principalUri, $filters, $limit, $offset);
}
}
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