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<?php |
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/** |
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* @copyright Copyright (c) 2016, ownCloud, Inc. |
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* |
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* @author Christoph Wurst <[email protected]> |
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* @author Gary Kim <[email protected]> |
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* @author Georg Ehrke <[email protected]> |
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* @author Joas Schilling <[email protected]> |
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* @author Lukas Reschke <[email protected]> |
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* @author Roeland Jago Douma <[email protected]> |
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* @author Thomas Citharel <[email protected]> |
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* @author Thomas Müller <[email protected]> |
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* |
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* @license AGPL-3.0 |
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* |
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* This code is free software: you can redistribute it and/or modify |
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* it under the terms of the GNU Affero General Public License, version 3, |
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* as published by the Free Software Foundation. |
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* |
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* This program is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* GNU Affero General Public License for more details. |
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* |
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* You should have received a copy of the GNU Affero General Public License, version 3, |
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* along with this program. If not, see <http://www.gnu.org/licenses/> |
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* |
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*/ |
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namespace OCA\DAV\CalDAV; |
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use OCA\DAV\DAV\Sharing\IShareable; |
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use OCA\DAV\Exception\UnsupportedLimitOnInitialSyncException; |
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use OCP\IConfig; |
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use OCP\IL10N; |
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use Sabre\CalDAV\Backend\BackendInterface; |
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use Sabre\DAV\Exception\Forbidden; |
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use Sabre\DAV\Exception\NotFound; |
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use Sabre\DAV\PropPatch; |
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/** |
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* Class Calendar |
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* |
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* @package OCA\DAV\CalDAV |
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* @property CalDavBackend $caldavBackend |
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*/ |
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class Calendar extends \Sabre\CalDAV\Calendar implements IRestorable, IShareable { |
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/** @var IConfig */ |
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private $config; |
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/** @var IL10N */ |
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protected $l10n; |
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/** @var bool */ |
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private $useTrashbin = true; |
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/** |
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* Calendar constructor. |
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* |
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* @param BackendInterface $caldavBackend |
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* @param $calendarInfo |
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* @param IL10N $l10n |
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* @param IConfig $config |
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*/ |
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public function __construct(BackendInterface $caldavBackend, $calendarInfo, IL10N $l10n, IConfig $config) { |
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parent::__construct($caldavBackend, $calendarInfo); |
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if ($this->getName() === BirthdayService::BIRTHDAY_CALENDAR_URI) { |
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$this->calendarInfo['{DAV:}displayname'] = $l10n->t('Contact birthdays'); |
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} |
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if ($this->getName() === CalDavBackend::PERSONAL_CALENDAR_URI && |
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$this->calendarInfo['{DAV:}displayname'] === CalDavBackend::PERSONAL_CALENDAR_NAME) { |
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$this->calendarInfo['{DAV:}displayname'] = $l10n->t('Personal'); |
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} |
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$this->config = $config; |
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$this->l10n = $l10n; |
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} |
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/** |
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* Updates the list of shares. |
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* |
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* The first array is a list of people that are to be added to the |
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* resource. |
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* |
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* Every element in the add array has the following properties: |
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* * href - A url. Usually a mailto: address |
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* * commonName - Usually a first and last name, or false |
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* * summary - A description of the share, can also be false |
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* * readOnly - A boolean value |
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* |
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* Every element in the remove array is just the address string. |
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* |
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* @param array $add |
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* @param array $remove |
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* @return void |
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* @throws Forbidden |
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*/ |
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public function updateShares(array $add, array $remove) { |
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if ($this->isShared()) { |
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throw new Forbidden(); |
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} |
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$this->caldavBackend->updateShares($this, $add, $remove); |
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} |
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/** |
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* Returns the list of people whom this resource is shared with. |
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* |
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* Every element in this array should have the following properties: |
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* * href - Often a mailto: address |
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* * commonName - Optional, for example a first + last name |
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* * status - See the Sabre\CalDAV\SharingPlugin::STATUS_ constants. |
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* * readOnly - boolean |
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* * summary - Optional, a description for the share |
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* |
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* @return array |
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*/ |
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public function getShares() { |
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if ($this->isShared()) { |
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return []; |
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} |
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return $this->caldavBackend->getShares($this->getResourceId()); |
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} |
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/** |
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* @return int |
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*/ |
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public function getResourceId() { |
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return $this->calendarInfo['id']; |
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} |
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/** |
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* @return string |
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*/ |
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public function getPrincipalURI() { |
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return $this->calendarInfo['principaluri']; |
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} |
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/** |
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* @return array |
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*/ |
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public function getACL() { |
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$acl = [ |
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[ |
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'privilege' => '{DAV:}read', |
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'principal' => $this->getOwner(), |
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'protected' => true, |
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], |
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[ |
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'privilege' => '{DAV:}read', |
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'principal' => $this->getOwner() . '/calendar-proxy-write', |
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'protected' => true, |
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], |
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[ |
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'privilege' => '{DAV:}read', |
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'principal' => $this->getOwner() . '/calendar-proxy-read', |
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'protected' => true, |
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], |
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]; |
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if ($this->getName() !== BirthdayService::BIRTHDAY_CALENDAR_URI) { |
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$acl[] = [ |
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'privilege' => '{DAV:}write', |
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'principal' => $this->getOwner(), |
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'protected' => true, |
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]; |
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$acl[] = [ |
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'privilege' => '{DAV:}write', |
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'principal' => $this->getOwner() . '/calendar-proxy-write', |
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'protected' => true, |
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]; |
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} else { |
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$acl[] = [ |
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'privilege' => '{DAV:}write-properties', |
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'principal' => $this->getOwner(), |
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'protected' => true, |
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]; |
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$acl[] = [ |
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'privilege' => '{DAV:}write-properties', |
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'principal' => $this->getOwner() . '/calendar-proxy-write', |
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'protected' => true, |
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]; |
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} |
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$acl[] = [ |
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'privilege' => '{DAV:}write-properties', |
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'principal' => $this->getOwner() . '/calendar-proxy-read', |
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'protected' => true, |
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]; |
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if (!$this->isShared()) { |
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return $acl; |
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} |
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if ($this->getOwner() !== parent::getOwner()) { |
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$acl[] = [ |
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'privilege' => '{DAV:}read', |
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'principal' => parent::getOwner(), |
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'protected' => true, |
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]; |
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if ($this->canWrite()) { |
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$acl[] = [ |
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'privilege' => '{DAV:}write', |
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'principal' => parent::getOwner(), |
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'protected' => true, |
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]; |
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} else { |
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$acl[] = [ |
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'privilege' => '{DAV:}write-properties', |
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'principal' => parent::getOwner(), |
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'protected' => true, |
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]; |
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} |
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} |
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if ($this->isPublic()) { |
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$acl[] = [ |
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'privilege' => '{DAV:}read', |
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'principal' => 'principals/system/public', |
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'protected' => true, |
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]; |
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} |
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$acl = $this->caldavBackend->applyShareAcl($this->getResourceId(), $acl); |
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$allowedPrincipals = [ |
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$this->getOwner(), |
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$this->getOwner(). '/calendar-proxy-read', |
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$this->getOwner(). '/calendar-proxy-write', |
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parent::getOwner(), |
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'principals/system/public' |
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]; |
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return array_filter($acl, function ($rule) use ($allowedPrincipals) { |
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return \in_array($rule['principal'], $allowedPrincipals, true); |
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}); |
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} |
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public function getChildACL() { |
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return $this->getACL(); |
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} |
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public function getOwner() { |
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if (isset($this->calendarInfo['{http://owncloud.org/ns}owner-principal'])) { |
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return $this->calendarInfo['{http://owncloud.org/ns}owner-principal']; |
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} |
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return parent::getOwner(); |
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} |
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public function delete() { |
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if (isset($this->calendarInfo['{http://owncloud.org/ns}owner-principal']) && |
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$this->calendarInfo['{http://owncloud.org/ns}owner-principal'] !== $this->calendarInfo['principaluri']) { |
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$principal = 'principal:' . parent::getOwner(); |
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$shares = $this->caldavBackend->getShares($this->getResourceId()); |
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$shares = array_filter($shares, function ($share) use ($principal) { |
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return $share['href'] === $principal; |
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}); |
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if (empty($shares)) { |
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throw new Forbidden(); |
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} |
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$this->caldavBackend->updateShares($this, [], [ |
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$principal |
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]); |
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return; |
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} |
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// Remember when a user deleted their birthday calendar |
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// in order to not regenerate it on the next contacts change |
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if ($this->getName() === BirthdayService::BIRTHDAY_CALENDAR_URI) { |
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$principalURI = $this->getPrincipalURI(); |
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$userId = substr($principalURI, 17); |
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$this->config->setUserValue($userId, 'dav', 'generateBirthdayCalendar', 'no'); |
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} |
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$this->caldavBackend->deleteCalendar( |
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$this->calendarInfo['id'], |
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!$this->useTrashbin |
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); |
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} |
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public function propPatch(PropPatch $propPatch) { |
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// parent::propPatch will only update calendars table |
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// if calendar is shared, changes have to be made to the properties table |
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if (!$this->isShared()) { |
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parent::propPatch($propPatch); |
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} |
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} |
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public function getChild($name) { |
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$obj = $this->caldavBackend->getCalendarObject($this->calendarInfo['id'], $name); |
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if (!$obj) { |
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throw new NotFound('Calendar object not found'); |
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} |
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if ($obj['classification'] === CalDavBackend::CLASSIFICATION_PRIVATE && $this->isShared()) { |
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throw new NotFound('Calendar object not found'); |
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} |
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$obj['acl'] = $this->getChildACL(); |
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return new CalendarObject($this->caldavBackend, $this->l10n, $this->calendarInfo, $obj); |
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} |
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public function getChildren() { |
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$objs = $this->caldavBackend->getCalendarObjects($this->calendarInfo['id']); |
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$children = []; |
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foreach ($objs as $obj) { |
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if ($obj['classification'] === CalDavBackend::CLASSIFICATION_PRIVATE && $this->isShared()) { |
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continue; |
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} |
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$obj['acl'] = $this->getChildACL(); |
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$children[] = new CalendarObject($this->caldavBackend, $this->l10n, $this->calendarInfo, $obj); |
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} |
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return $children; |
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} |
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public function getMultipleChildren(array $paths) { |
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|
$objs = $this->caldavBackend->getMultipleCalendarObjects($this->calendarInfo['id'], $paths); |
|
320
|
|
|
$children = []; |
|
321
|
|
|
foreach ($objs as $obj) { |
|
322
|
|
|
if ($obj['classification'] === CalDavBackend::CLASSIFICATION_PRIVATE && $this->isShared()) { |
|
323
|
|
|
continue; |
|
324
|
|
|
} |
|
325
|
|
|
$obj['acl'] = $this->getChildACL(); |
|
326
|
|
|
$children[] = new CalendarObject($this->caldavBackend, $this->l10n, $this->calendarInfo, $obj); |
|
327
|
|
|
} |
|
328
|
|
|
return $children; |
|
329
|
|
|
} |
|
330
|
|
|
|
|
331
|
|
|
public function childExists($name) { |
|
332
|
|
|
$obj = $this->caldavBackend->getCalendarObject($this->calendarInfo['id'], $name); |
|
333
|
|
|
if (!$obj) { |
|
334
|
|
|
return false; |
|
335
|
|
|
} |
|
336
|
|
|
if ($obj['classification'] === CalDavBackend::CLASSIFICATION_PRIVATE && $this->isShared()) { |
|
337
|
|
|
return false; |
|
338
|
|
|
} |
|
339
|
|
|
|
|
340
|
|
|
return true; |
|
341
|
|
|
} |
|
342
|
|
|
|
|
343
|
|
|
public function calendarQuery(array $filters) { |
|
344
|
|
|
$uris = $this->caldavBackend->calendarQuery($this->calendarInfo['id'], $filters); |
|
345
|
|
|
if ($this->isShared()) { |
|
346
|
|
|
return array_filter($uris, function ($uri) { |
|
347
|
|
|
return $this->childExists($uri); |
|
348
|
|
|
}); |
|
349
|
|
|
} |
|
350
|
|
|
|
|
351
|
|
|
return $uris; |
|
352
|
|
|
} |
|
353
|
|
|
|
|
354
|
|
|
/** |
|
355
|
|
|
* @param boolean $value |
|
356
|
|
|
* @return string|null |
|
357
|
|
|
*/ |
|
358
|
|
|
public function setPublishStatus($value) { |
|
359
|
|
|
$publicUri = $this->caldavBackend->setPublishStatus($value, $this); |
|
360
|
|
|
$this->calendarInfo['publicuri'] = $publicUri; |
|
361
|
|
|
return $publicUri; |
|
362
|
|
|
} |
|
363
|
|
|
|
|
364
|
|
|
/** |
|
365
|
|
|
* @return mixed $value |
|
366
|
|
|
*/ |
|
367
|
|
|
public function getPublishStatus() { |
|
368
|
|
|
return $this->caldavBackend->getPublishStatus($this); |
|
369
|
|
|
} |
|
370
|
|
|
|
|
371
|
|
|
public function canWrite() { |
|
372
|
|
|
if ($this->getName() === BirthdayService::BIRTHDAY_CALENDAR_URI) { |
|
373
|
|
|
return false; |
|
374
|
|
|
} |
|
375
|
|
|
|
|
376
|
|
|
if (isset($this->calendarInfo['{http://owncloud.org/ns}read-only'])) { |
|
377
|
|
|
return !$this->calendarInfo['{http://owncloud.org/ns}read-only']; |
|
378
|
|
|
} |
|
379
|
|
|
return true; |
|
380
|
|
|
} |
|
381
|
|
|
|
|
382
|
|
|
private function isPublic() { |
|
383
|
|
|
return isset($this->calendarInfo['{http://owncloud.org/ns}public']); |
|
384
|
|
|
} |
|
385
|
|
|
|
|
386
|
|
|
protected function isShared() { |
|
387
|
|
|
if (!isset($this->calendarInfo['{http://owncloud.org/ns}owner-principal'])) { |
|
388
|
|
|
return false; |
|
389
|
|
|
} |
|
390
|
|
|
|
|
391
|
|
|
return $this->calendarInfo['{http://owncloud.org/ns}owner-principal'] !== $this->calendarInfo['principaluri']; |
|
392
|
|
|
} |
|
393
|
|
|
|
|
394
|
|
|
public function isSubscription() { |
|
395
|
|
|
return isset($this->calendarInfo['{http://calendarserver.org/ns/}source']); |
|
396
|
|
|
} |
|
397
|
|
|
|
|
398
|
|
|
/** |
|
399
|
|
|
* @inheritDoc |
|
400
|
|
|
*/ |
|
401
|
|
|
public function getChanges($syncToken, $syncLevel, $limit = null) { |
|
402
|
|
|
if (!$syncToken && $limit) { |
|
403
|
|
|
throw new UnsupportedLimitOnInitialSyncException(); |
|
404
|
|
|
} |
|
405
|
|
|
|
|
406
|
|
|
return parent::getChanges($syncToken, $syncLevel, $limit); |
|
407
|
|
|
} |
|
408
|
|
|
|
|
409
|
|
|
public function restore(): void { |
|
410
|
|
|
$this->caldavBackend->restoreCalendar((int) $this->calendarInfo['id']); |
|
411
|
|
|
} |
|
412
|
|
|
|
|
413
|
|
|
public function disableTrashbin(): void { |
|
414
|
|
|
$this->useTrashbin = false; |
|
415
|
|
|
} |
|
416
|
|
|
} |
|
417
|
|
|
|