/usr/share/php/Sabre/CalDAV/SharedCalendar.php is in php-sabre-dav 1.8.10-2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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namespace Sabre\CalDAV;
use Sabre\DAVACL;
/**
* This object represents a CalDAV calendar that is shared by a different user.
*
* @copyright Copyright (C) 2007-2014 fruux GmbH (https://fruux.com/).
* @author Evert Pot (http://evertpot.com/)
* @license http://sabre.io/license/ Modified BSD License
*/
class SharedCalendar extends Calendar implements ISharedCalendar {
/**
* Constructor
*
* @param Backend\BackendInterface $caldavBackend
* @param array $calendarInfo
*/
public function __construct(Backend\BackendInterface $caldavBackend, $calendarInfo) {
$required = array(
'{http://calendarserver.org/ns/}shared-url',
'{http://sabredav.org/ns}owner-principal',
'{http://sabredav.org/ns}read-only',
);
foreach($required as $r) {
if (!isset($calendarInfo[$r])) {
throw new \InvalidArgumentException('The ' . $r . ' property must be specified for SharedCalendar(s)');
}
}
parent::__construct($caldavBackend, $calendarInfo);
}
/**
* This method should return the url of the owners' copy of the shared
* calendar.
*
* @return string
*/
public function getSharedUrl() {
return $this->calendarInfo['{http://calendarserver.org/ns/}shared-url'];
}
/**
* Returns the owner principal
*
* This must be a url to a principal, or null if there's no owner
*
* @return string|null
*/
public function getOwner() {
return $this->calendarInfo['{http://sabredav.org/ns}owner-principal'];
}
/**
* Returns a list of ACE's for this node.
*
* Each ACE has the following properties:
* * 'privilege', a string such as {DAV:}read or {DAV:}write. These are
* currently the only supported privileges
* * 'principal', a url to the principal who owns the node
* * 'protected' (optional), indicating that this ACE is not allowed to
* be updated.
*
* @return array
*/
public function getACL() {
// The top-level ACL only contains access information for the true
// owner of the calendar, so we need to add the information for the
// sharee.
$acl = parent::getACL();
$acl[] = array(
'privilege' => '{DAV:}read',
'principal' => $this->calendarInfo['principaluri'],
'protected' => true,
);
if (!$this->calendarInfo['{http://sabredav.org/ns}read-only']) {
$acl[] = array(
'privilege' => '{DAV:}write',
'principal' => $this->calendarInfo['principaluri'],
'protected' => true,
);
}
return $acl;
}
/**
* Returns the list of people whom this calendar is shared with.
*
* Every element in this array should have the following properties:
* * href - Often a mailto: address
* * commonName - Optional, for example a first + last name
* * status - See the Sabre\CalDAV\SharingPlugin::STATUS_ constants.
* * readOnly - boolean
* * summary - Optional, a description for the share
*
* @return array
*/
public function getShares() {
return $this->caldavBackend->getShares($this->calendarInfo['id']);
}
}
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