nextcloud/apps/dav/lib/CardDAV/AddressBookImpl.php

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<?php
/**
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* @copyright Copyright (c) 2016, ownCloud, Inc.
*
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* @author Björn Schießle <bjoern@schiessle.org>
2016-07-22 10:45:36 +03:00
* @author Georg Ehrke <georg@owncloud.com>
* @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 OCP\Constants;
use OCP\IAddressBook;
use OCP\IURLGenerator;
use Sabre\VObject\Component\VCard;
use Sabre\VObject\Property;
use Sabre\VObject\Property\Text;
use Sabre\VObject\Reader;
use Sabre\VObject\UUIDUtil;
class AddressBookImpl implements IAddressBook {
/** @var CardDavBackend */
private $backend;
/** @var array */
private $addressBookInfo;
/** @var AddressBook */
private $addressBook;
/** @var IURLGenerator */
private $urlGenerator;
/**
* AddressBookImpl constructor.
*
* @param AddressBook $addressBook
* @param array $addressBookInfo
* @param CardDavBackend $backend
* @param IUrlGenerator $urlGenerator
*/
public function __construct(
AddressBook $addressBook,
array $addressBookInfo,
CardDavBackend $backend,
IURLGenerator $urlGenerator) {
$this->addressBook = $addressBook;
$this->addressBookInfo = $addressBookInfo;
$this->backend = $backend;
$this->urlGenerator = $urlGenerator;
}
/**
* @return string defining the technical unique key
* @since 5.0.0
*/
public function getKey() {
return $this->addressBookInfo['id'];
}
/**
* In comparison to getKey() this function returns a human readable (maybe translated) name
*
* @return mixed
* @since 5.0.0
*/
public function getDisplayName() {
return $this->addressBookInfo['{DAV:}displayname'];
}
/**
* @param string $pattern which should match within the $searchProperties
* @param array $searchProperties defines the properties within the query pattern should match
* @param array $options - for future use. One should always have options!
* @return array an array of contacts which are arrays of key-value-pairs
* @since 5.0.0
*/
public function search($pattern, $searchProperties, $options) {
$results = $this->backend->search($this->getKey(), $pattern, $searchProperties);
$vCards = [];
foreach ($results as $result) {
$vCards[] = $this->vCard2Array($result['uri'], $this->readCard($result['carddata']));
}
return $vCards;
}
/**
* @param array $properties this array if key-value-pairs defines a contact
* @return array an array representing the contact just created or updated
* @since 5.0.0
*/
public function createOrUpdate($properties) {
$update = false;
if (!isset($properties['URI'])) { // create a new contact
$uid = $this->createUid();
$uri = $uid . '.vcf';
$vCard = $this->createEmptyVCard($uid);
} else { // update existing contact
$uri = $properties['URI'];
$vCardData = $this->backend->getCard($this->getKey(), $uri);
$vCard = $this->readCard($vCardData['carddata']);
$update = true;
}
foreach ($properties as $key => $value) {
$vCard->$key = $vCard->createProperty($key, $value);
}
if ($update) {
$this->backend->updateCard($this->getKey(), $uri, $vCard->serialize());
} else {
$this->backend->createCard($this->getKey(), $uri, $vCard->serialize());
}
return $this->vCard2Array($uri, $vCard);
}
/**
* @return mixed
* @since 5.0.0
*/
public function getPermissions() {
$permissions = $this->addressBook->getACL();
$result = 0;
foreach ($permissions as $permission) {
switch($permission['privilege']) {
case '{DAV:}read':
$result |= Constants::PERMISSION_READ;
break;
case '{DAV:}write':
$result |= Constants::PERMISSION_CREATE;
$result |= Constants::PERMISSION_UPDATE;
break;
case '{DAV:}all':
$result |= Constants::PERMISSION_ALL;
break;
}
}
return $result;
}
/**
* @param object $id the unique identifier to a contact
* @return bool successful or not
* @since 5.0.0
*/
public function delete($id) {
$uri = $this->backend->getCardUri($id);
return $this->backend->deleteCard($this->addressBookInfo['id'], $uri);
}
/**
* read vCard data into a vCard object
*
* @param string $cardData
* @return VCard
*/
protected function readCard($cardData) {
return Reader::read($cardData);
}
/**
* create UID for contact
*
* @return string
*/
protected function createUid() {
do {
$uid = $this->getUid();
$contact = $this->backend->getContact($this->getKey(), $uid . '.vcf');
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} while (!empty($contact));
return $uid;
}
/**
* getUid is only there for testing, use createUid instead
*/
protected function getUid() {
return UUIDUtil::getUUID();
}
/**
* create empty vcard
*
* @param string $uid
* @return VCard
*/
protected function createEmptyVCard($uid) {
$vCard = new VCard();
$vCard->add(new Text($vCard, 'UID', $uid));
return $vCard;
}
/**
* create array with all vCard properties
*
* @param string $uri
* @param VCard $vCard
* @return array
*/
protected function vCard2Array($uri, VCard $vCard) {
$result = [
'URI' => $uri,
];
foreach ($vCard->children as $property) {
/** @var \Sabre\VObject\Property\Unknown $property */
if ($property->name === 'PHOTO' && $property->getValueType() === 'BINARY') {
$url = $this->urlGenerator->getAbsoluteURL(
$this->urlGenerator->linkTo('', 'remote.php') . '/dav/');
$url .= implode('/', [
'addressbooks',
substr($this->addressBookInfo['principaluri'], 11), //cut off 'principals/'
$this->addressBookInfo['uri'],
$uri
]) . '?photo';
$result['PHOTO'] = 'VALUE=uri:' . $url;
} else if ($property->name === 'X-SOCIALPROFILE') {
$type = $this->getTypeFromProperty($property);
// Type is the social network, when it's empty we don't need this.
if ($type !== null) {
if (!isset($result[$property->name])) {
$result[$property->name] = [];
}
$result[$property->name][$type] = $property->getValue();
}
// The following properties can be set multiple times
} else if (in_array($property->name, ['CLOUD', 'EMAIL', 'IMPP', 'TEL', 'URL'])) {
if (!isset($result[$property->name])) {
$result[$property->name] = [];
}
$result[$property->name][] = $property->getValue();
} else {
$result[$property->name] = $property->getValue();
}
}
if ($this->addressBookInfo['principaluri'] === 'principals/system/system' &&
$this->addressBookInfo['uri'] === 'system') {
$result['isLocalSystemBook'] = true;
}
return $result;
}
/**
* Get the type of the current property
*
* @param Property $property
* @return null|string
*/
protected function getTypeFromProperty(Property $property) {
$parameters = $property->parameters();
// Type is the social network, when it's empty we don't need this.
if (isset($parameters['TYPE'])) {
/** @var \Sabre\VObject\Parameter $type */
$type = $parameters['TYPE'];
return $type->getValue();
}
return null;
}
}