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sources/apps/contacts/lib/sabre/card.php
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<?php
/**
* ownCloud - Addressbook
*
* @author Thomas Tanghus
* @copyright 2012 Thomas Tanghus (thomas@tanghus.net)
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU AFFERO GENERAL PUBLIC LICENSE
* License as published by the Free Software Foundation; either
* version 3 of the License, or any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU AFFERO GENERAL PUBLIC LICENSE for more details.
*
* You should have received a copy of the GNU Affero General Public
* License along with this library. If not, see <http://www.gnu.org/licenses/>.
*
*/
/**
* This class overrides Sabre_CardDAV_Card::getACL()
* to return read/write permissions based on user and shared state.
*/
class OC_Connector_Sabre_CardDAV_Card extends Sabre_CardDAV_Card {
/**
* Array with information about the containing addressbook
*
* @var array
*/
protected $addressBookInfo;
/**
* Constructor
*
* @param Sabre_CardDAV_Backend_Abstract $carddavBackend
* @param array $addressBookInfo
* @param array $cardData
*/
public function __construct(Sabre_CardDAV_Backend_Abstract $carddavBackend, array $addressBookInfo, array $cardData) {
$this->addressBookInfo = $addressBookInfo;
parent::__construct($carddavBackend, $addressBookInfo, $cardData);
}
/**
* 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() {
$readprincipal = $this->getOwner();
$writeprincipal = $this->getOwner();
$uid = OCA\Contacts\Addressbook::extractUserID($this->getOwner());
if($uid != OCP\USER::getUser()) {
$sharedAddressbook = OCP\Share::getItemSharedWithBySource('addressbook', $this->addressBookInfo['id']);
if ($sharedAddressbook && ($sharedAddressbook['permissions'] & OCP\PERMISSION_READ)) {
$readprincipal = 'principals/' . OCP\USER::getUser();
}
if ($sharedAddressbook && ($sharedAddressbook['permissions'] & OCP\PERMISSION_UPDATE)) {
$writeprincipal = 'principals/' . OCP\USER::getUser();
}
}
return array(
array(
'privilege' => '{DAV:}read',
'principal' => $readprincipal,
'protected' => true,
),
array(
'privilege' => '{DAV:}write',
'principal' => $writeprincipal,
'protected' => true,
),
);
}
}
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