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- <?php
- namespace OCA\DAV\CalDAV;
- use DateTimeImmutable;
- use DateTimeInterface;
- use OCA\DAV\CalDAV\Trashbin\Plugin as TrashbinPlugin;
- use OCA\DAV\DAV\Sharing\IShareable;
- use OCA\DAV\Exception\UnsupportedLimitOnInitialSyncException;
- use OCP\DB\Exception;
- use OCP\IConfig;
- use OCP\IL10N;
- use Psr\Log\LoggerInterface;
- use Sabre\CalDAV\Backend\BackendInterface;
- use Sabre\DAV\Exception\Forbidden;
- use Sabre\DAV\Exception\NotFound;
- use Sabre\DAV\IMoveTarget;
- use Sabre\DAV\INode;
- use Sabre\DAV\PropPatch;
- class Calendar extends \Sabre\CalDAV\Calendar implements IRestorable, IShareable, IMoveTarget {
- private IConfig $config;
- protected IL10N $l10n;
- private bool $useTrashbin = true;
- private LoggerInterface $logger;
- public function __construct(BackendInterface $caldavBackend, $calendarInfo, IL10N $l10n, IConfig $config, LoggerInterface $logger) {
-
- if (isset($calendarInfo[TrashbinPlugin::PROPERTY_DELETED_AT])) {
- $calendarInfo[TrashbinPlugin::PROPERTY_DELETED_AT] = (new DateTimeImmutable())
- ->setTimestamp($calendarInfo[TrashbinPlugin::PROPERTY_DELETED_AT])
- ->format(DateTimeInterface::ATOM);
- }
- parent::__construct($caldavBackend, $calendarInfo);
- if ($this->getName() === BirthdayService::BIRTHDAY_CALENDAR_URI) {
- $this->calendarInfo['{DAV:}displayname'] = $l10n->t('Contact birthdays');
- }
- if ($this->getName() === CalDavBackend::PERSONAL_CALENDAR_URI &&
- $this->calendarInfo['{DAV:}displayname'] === CalDavBackend::PERSONAL_CALENDAR_NAME) {
- $this->calendarInfo['{DAV:}displayname'] = $l10n->t('Personal');
- }
- $this->config = $config;
- $this->l10n = $l10n;
- $this->logger = $logger;
- }
-
- public function updateShares(array $add, array $remove): void {
- if ($this->isShared()) {
- throw new Forbidden();
- }
- $this->caldavBackend->updateShares($this, $add, $remove);
- }
-
- public function getShares(): array {
- if ($this->isShared()) {
- return [];
- }
- return $this->caldavBackend->getShares($this->getResourceId());
- }
- public function getResourceId(): int {
- return $this->calendarInfo['id'];
- }
-
- public function getPrincipalURI() {
- return $this->calendarInfo['principaluri'];
- }
-
- public function getACL() {
- $acl = [
- [
- 'privilege' => '{DAV:}read',
- 'principal' => $this->getOwner(),
- 'protected' => true,
- ],
- [
- 'privilege' => '{DAV:}read',
- 'principal' => $this->getOwner() . '/calendar-proxy-write',
- 'protected' => true,
- ],
- [
- 'privilege' => '{DAV:}read',
- 'principal' => $this->getOwner() . '/calendar-proxy-read',
- 'protected' => true,
- ],
- ];
- if ($this->getName() !== BirthdayService::BIRTHDAY_CALENDAR_URI) {
- $acl[] = [
- 'privilege' => '{DAV:}write',
- 'principal' => $this->getOwner(),
- 'protected' => true,
- ];
- $acl[] = [
- 'privilege' => '{DAV:}write',
- 'principal' => $this->getOwner() . '/calendar-proxy-write',
- 'protected' => true,
- ];
- } else {
- $acl[] = [
- 'privilege' => '{DAV:}write-properties',
- 'principal' => $this->getOwner(),
- 'protected' => true,
- ];
- $acl[] = [
- 'privilege' => '{DAV:}write-properties',
- 'principal' => $this->getOwner() . '/calendar-proxy-write',
- 'protected' => true,
- ];
- }
- $acl[] = [
- 'privilege' => '{DAV:}write-properties',
- 'principal' => $this->getOwner() . '/calendar-proxy-read',
- 'protected' => true,
- ];
- if (!$this->isShared()) {
- return $acl;
- }
- if ($this->getOwner() !== parent::getOwner()) {
- $acl[] = [
- 'privilege' => '{DAV:}read',
- 'principal' => parent::getOwner(),
- 'protected' => true,
- ];
- if ($this->canWrite()) {
- $acl[] = [
- 'privilege' => '{DAV:}write',
- 'principal' => parent::getOwner(),
- 'protected' => true,
- ];
- } else {
- $acl[] = [
- 'privilege' => '{DAV:}write-properties',
- 'principal' => parent::getOwner(),
- 'protected' => true,
- ];
- }
- }
- if ($this->isPublic()) {
- $acl[] = [
- 'privilege' => '{DAV:}read',
- 'principal' => 'principals/system/public',
- 'protected' => true,
- ];
- }
- $acl = $this->caldavBackend->applyShareAcl($this->getResourceId(), $acl);
- $allowedPrincipals = [
- $this->getOwner(),
- $this->getOwner(). '/calendar-proxy-read',
- $this->getOwner(). '/calendar-proxy-write',
- parent::getOwner(),
- 'principals/system/public'
- ];
-
- $acl = array_filter($acl, function (array $rule) use ($allowedPrincipals): bool {
- return \in_array($rule['principal'], $allowedPrincipals, true);
- });
- return $acl;
- }
- public function getChildACL() {
- return $this->getACL();
- }
- public function getOwner(): ?string {
- if (isset($this->calendarInfo['{http://owncloud.org/ns}owner-principal'])) {
- return $this->calendarInfo['{http://owncloud.org/ns}owner-principal'];
- }
- return parent::getOwner();
- }
- public function delete() {
- if (isset($this->calendarInfo['{http://owncloud.org/ns}owner-principal']) &&
- $this->calendarInfo['{http://owncloud.org/ns}owner-principal'] !== $this->calendarInfo['principaluri']) {
- $principal = 'principal:' . parent::getOwner();
- $shares = $this->caldavBackend->getShares($this->getResourceId());
- $shares = array_filter($shares, function ($share) use ($principal) {
- return $share['href'] === $principal;
- });
- if (empty($shares)) {
- throw new Forbidden();
- }
- $this->caldavBackend->updateShares($this, [], [
- $principal
- ]);
- return;
- }
-
-
- if ($this->getName() === BirthdayService::BIRTHDAY_CALENDAR_URI) {
- $principalURI = $this->getPrincipalURI();
- $userId = substr($principalURI, 17);
- $this->config->setUserValue($userId, 'dav', 'generateBirthdayCalendar', 'no');
- }
- $this->caldavBackend->deleteCalendar(
- $this->calendarInfo['id'],
- !$this->useTrashbin
- );
- }
- public function propPatch(PropPatch $propPatch) {
-
-
- if (!$this->isShared()) {
- parent::propPatch($propPatch);
- }
- }
- public function getChild($name) {
- $obj = $this->caldavBackend->getCalendarObject($this->calendarInfo['id'], $name);
- if (!$obj) {
- throw new NotFound('Calendar object not found');
- }
- if ($obj['classification'] === CalDavBackend::CLASSIFICATION_PRIVATE && $this->isShared()) {
- throw new NotFound('Calendar object not found');
- }
- $obj['acl'] = $this->getChildACL();
- return new CalendarObject($this->caldavBackend, $this->l10n, $this->calendarInfo, $obj);
- }
- public function getChildren() {
- $objs = $this->caldavBackend->getCalendarObjects($this->calendarInfo['id']);
- $children = [];
- foreach ($objs as $obj) {
- if ($obj['classification'] === CalDavBackend::CLASSIFICATION_PRIVATE && $this->isShared()) {
- continue;
- }
- $obj['acl'] = $this->getChildACL();
- $children[] = new CalendarObject($this->caldavBackend, $this->l10n, $this->calendarInfo, $obj);
- }
- return $children;
- }
- public function getMultipleChildren(array $paths) {
- $objs = $this->caldavBackend->getMultipleCalendarObjects($this->calendarInfo['id'], $paths);
- $children = [];
- foreach ($objs as $obj) {
- if ($obj['classification'] === CalDavBackend::CLASSIFICATION_PRIVATE && $this->isShared()) {
- continue;
- }
- $obj['acl'] = $this->getChildACL();
- $children[] = new CalendarObject($this->caldavBackend, $this->l10n, $this->calendarInfo, $obj);
- }
- return $children;
- }
- public function childExists($name) {
- $obj = $this->caldavBackend->getCalendarObject($this->calendarInfo['id'], $name);
- if (!$obj) {
- return false;
- }
- if ($obj['classification'] === CalDavBackend::CLASSIFICATION_PRIVATE && $this->isShared()) {
- return false;
- }
- return true;
- }
- public function calendarQuery(array $filters) {
- $uris = $this->caldavBackend->calendarQuery($this->calendarInfo['id'], $filters);
- if ($this->isShared()) {
- return array_filter($uris, function ($uri) {
- return $this->childExists($uri);
- });
- }
- return $uris;
- }
-
- public function setPublishStatus($value) {
- $publicUri = $this->caldavBackend->setPublishStatus($value, $this);
- $this->calendarInfo['publicuri'] = $publicUri;
- return $publicUri;
- }
-
- public function getPublishStatus() {
- return $this->caldavBackend->getPublishStatus($this);
- }
- public function canWrite() {
- if ($this->getName() === BirthdayService::BIRTHDAY_CALENDAR_URI) {
- return false;
- }
- if (isset($this->calendarInfo['{http://owncloud.org/ns}read-only'])) {
- return !$this->calendarInfo['{http://owncloud.org/ns}read-only'];
- }
- return true;
- }
- private function isPublic() {
- return isset($this->calendarInfo['{http://owncloud.org/ns}public']);
- }
- public function isShared() {
- if (!isset($this->calendarInfo['{http://owncloud.org/ns}owner-principal'])) {
- return false;
- }
- return $this->calendarInfo['{http://owncloud.org/ns}owner-principal'] !== $this->calendarInfo['principaluri'];
- }
- public function isSubscription() {
- return isset($this->calendarInfo['{http://calendarserver.org/ns/}source']);
- }
- public function isDeleted(): bool {
- if (!isset($this->calendarInfo[TrashbinPlugin::PROPERTY_DELETED_AT])) {
- return false;
- }
- return $this->calendarInfo[TrashbinPlugin::PROPERTY_DELETED_AT] !== null;
- }
-
- public function getChanges($syncToken, $syncLevel, $limit = null) {
- if (!$syncToken && $limit) {
- throw new UnsupportedLimitOnInitialSyncException();
- }
- return parent::getChanges($syncToken, $syncLevel, $limit);
- }
-
- public function restore(): void {
- $this->caldavBackend->restoreCalendar((int) $this->calendarInfo['id']);
- }
- public function disableTrashbin(): void {
- $this->useTrashbin = false;
- }
-
- public function moveInto($targetName, $sourcePath, INode $sourceNode) {
- if (!($sourceNode instanceof CalendarObject)) {
- return false;
- }
- try {
- return $this->caldavBackend->moveCalendarObject($sourceNode->getCalendarId(), (int)$this->calendarInfo['id'], $sourceNode->getId(), $sourceNode->getOwner(), $this->getOwner());
- } catch (Exception $e) {
- $this->logger->error('Could not move calendar object: ' . $e->getMessage(), ['exception' => $e]);
- return false;
- }
- }
- }
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