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<?php
/**
* @copyright Copyright (c) 2016, ownCloud, Inc.
*
* @author Georg Ehrke <oc.list@georgehrke.com>
* @author Joas Schilling <coding@schilljs.com>
* @author Roeland Jago Douma <roeland@famdouma.nl>
* @author Thomas Müller <thomas.mueller@tmit.eu>
*
* @license AGPL-3.0
*
* This code is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License, version 3,
* as published by the Free Software Foundation.
*
* This program 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, version 3,
* along with this program. If not, see <http://www.gnu.org/licenses/>
*
*/
namespace OCA\DAV\CardDAV;
use OCA\DAV\DAV\Sharing\IShareable;
use OCA\DAV\Exception\UnsupportedLimitOnInitialSyncException;
use OCP\IL10N;
use Sabre\CardDAV\Backend\BackendInterface;
use Sabre\CardDAV\Card;
use Sabre\DAV\Exception\Forbidden;
use Sabre\DAV\Exception\NotFound;
use Sabre\DAV\PropPatch;
/**
* Class AddressBook
*
* @package OCA\DAV\CardDAV
* @property BackendInterface|CardDavBackend $carddavBackend
*/
class AddressBook extends \Sabre\CardDAV\AddressBook implements IShareable {
/**
* AddressBook constructor.
*
* @param BackendInterface $carddavBackend
* @param array $addressBookInfo
* @param IL10N $l10n
*/
public function __construct(BackendInterface $carddavBackend, array $addressBookInfo, IL10N $l10n) {
parent::__construct($carddavBackend, $addressBookInfo);
if ($this->addressBookInfo['{DAV:}displayname'] === CardDavBackend::PERSONAL_ADDRESSBOOK_NAME &&
$this->getName() === CardDavBackend::PERSONAL_ADDRESSBOOK_URI) {
$this->addressBookInfo['{DAV:}displayname'] = $l10n->t('Contacts');
}
}
/**
* Updates the list of shares.
*
* The first array is a list of people that are to be added to the
* addressbook.
*
* Every element in the add array has the following properties:
* * href - A url. Usually a mailto: address
* * commonName - Usually a first and last name, or false
* * summary - A description of the share, can also be false
* * readOnly - A boolean value
*
* Every element in the remove array is just the address string.
*
* @param array $add
* @param array $remove
* @return void
* @throws Forbidden
*/
public function updateShares(array $add, array $remove) {
if ($this->isShared()) {
throw new Forbidden();
}
$this->carddavBackend->updateShares($this, $add, $remove);
}
/**
* Returns the list of people whom this addressbook is shared with.
*
* Every element in this array should have the following properties:
* * href - Often a mailto: address
* * commonName - Optional, for example a first + last name
* * status - See the Sabre\CalDAV\SharingPlugin::STATUS_ constants.
* * readOnly - boolean
* * summary - Optional, a description for the share
*
* @return array
*/
public function getShares() {
if ($this->isShared()) {
return [];
}
return $this->carddavBackend->getShares($this->getResourceId());
}
public function getACL() {
$acl = [
[
'privilege' => '{DAV:}read',
'principal' => $this->getOwner(),
'protected' => true,
],[
'privilege' => '{DAV:}write',
'principal' => $this->getOwner(),
'protected' => true,
]
];
if ($this->getOwner() === 'principals/system/system') {
$acl[] = [
'privilege' => '{DAV:}read',
'principal' => '{DAV:}authenticated',
'protected' => true,
];
}
if (!$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,
];
}
}
$acl = $this->carddavBackend->applyShareAcl($this->getResourceId(), $acl);
$allowedPrincipals = [$this->getOwner(), parent::getOwner(), 'principals/system/system'];
return array_filter($acl, function ($rule) use ($allowedPrincipals) {
return \in_array($rule['principal'], $allowedPrincipals, true);
});
}
public function getChildACL() {
return $this->getACL();
}
public function getChild($name) {
$obj = $this->carddavBackend->getCard($this->addressBookInfo['id'], $name);
if (!$obj) {
throw new NotFound('Card not found');
}
$obj['acl'] = $this->getChildACL();
return new Card($this->carddavBackend, $this->addressBookInfo, $obj);
}
/**
* @return int
*/
public function getResourceId() {
return $this->addressBookInfo['id'];
}
public function getOwner() {
if (isset($this->addressBookInfo['{http://owncloud.org/ns}owner-principal'])) {
return $this->addressBookInfo['{http://owncloud.org/ns}owner-principal'];
}
return parent::getOwner();
}
public function delete() {
if (isset($this->addressBookInfo['{http://owncloud.org/ns}owner-principal'])) {
$principal = 'principal:' . parent::getOwner();
$shares = $this->carddavBackend->getShares($this->getResourceId());
$shares = array_filter($shares, function ($share) use ($principal) {
return $share['href'] === $principal;
});
if (empty($shares)) {
throw new Forbidden();
}
$this->carddavBackend->updateShares($this, [], [
$principal
]);
return;
}
parent::delete();
}
public function propPatch(PropPatch $propPatch) {
if (isset($this->addressBookInfo['{http://owncloud.org/ns}owner-principal'])) {
throw new Forbidden();
}
parent::propPatch($propPatch);
}
public function getContactsGroups() {
return $this->carddavBackend->collectCardProperties($this->getResourceId(), 'CATEGORIES');
}
private function isShared() {
if (!isset($this->addressBookInfo['{http://owncloud.org/ns}owner-principal'])) {
return false;
}
return $this->addressBookInfo['{http://owncloud.org/ns}owner-principal'] !== $this->addressBookInfo['principaluri'];
}
private function canWrite() {
if (isset($this->addressBookInfo['{http://owncloud.org/ns}read-only'])) {
return !$this->addressBookInfo['{http://owncloud.org/ns}read-only'];
}
return true;
}
public function getChanges($syncToken, $syncLevel, $limit = null) {
if (!$syncToken && $limit) {
throw new UnsupportedLimitOnInitialSyncException();
}
return parent::getChanges($syncToken, $syncLevel, $limit);
}
}
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