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<?php
declare(strict_types=1);
namespace Sabre\CardDAV;
use Sabre\DAV;
use Sabre\DAVACL;
/**
* The Card object represents a single Card from an addressbook.
*
* @copyright Copyright (C) fruux GmbH (https://fruux.com/)
* @author Evert Pot (http://evertpot.com/)
* @license http://sabre.io/license/ Modified BSD License
*/
class Card extends DAV\File implements ICard, DAVACL\IACL
{
use DAVACL\ACLTrait;
/**
* CardDAV backend.
*
* @var Backend\BackendInterface
*/
protected $carddavBackend;
/**
* Array with information about this Card.
*
* @var array
*/
protected $cardData;
/**
* Array with information about the containing addressbook.
*
* @var array
*/
protected $addressBookInfo;
/**
* Constructor.
*
* @param Backend\BackendInterface $carddavBackend
* @param array $addressBookInfo
* @param array $cardData
*/
public function __construct(Backend\BackendInterface $carddavBackend, array $addressBookInfo, array $cardData)
{
$this->carddavBackend = $carddavBackend;
$this->addressBookInfo = $addressBookInfo;
$this->cardData = $cardData;
}
/**
* Returns the uri for this object.
*
* @return string
*/
public function getName()
{
return $this->cardData['uri'];
}
/**
* Returns the VCard-formatted object.
*
* @return string
*/
public function get()
{
// Pre-populating 'carddata' is optional. If we don't yet have it
// already, we fetch it from the backend.
if (!isset($this->cardData['carddata'])) {
$this->cardData = $this->carddavBackend->getCard($this->addressBookInfo['id'], $this->cardData['uri']);
}
return $this->cardData['carddata'];
}
/**
* Updates the VCard-formatted object.
*
* @param string $cardData
*
* @return string|null
*/
public function put($cardData)
{
if (is_resource($cardData)) {
$cardData = stream_get_contents($cardData);
}
// Converting to UTF-8, if needed
$cardData = DAV\StringUtil::ensureUTF8($cardData);
$etag = $this->carddavBackend->updateCard($this->addressBookInfo['id'], $this->cardData['uri'], $cardData);
$this->cardData['carddata'] = $cardData;
$this->cardData['etag'] = $etag;
return $etag;
}
/**
* Deletes the card.
*/
public function delete()
{
$this->carddavBackend->deleteCard($this->addressBookInfo['id'], $this->cardData['uri']);
}
/**
* Returns the mime content-type.
*
* @return string
*/
public function getContentType()
{
return 'text/vcard; charset=utf-8';
}
/**
* Returns an ETag for this object.
*
* @return string
*/
public function getETag()
{
if (isset($this->cardData['etag'])) {
return $this->cardData['etag'];
} else {
$data = $this->get();
if (is_string($data)) {
return '"'.md5($data).'"';
} else {
// We refuse to calculate the md5 if it's a stream.
return null;
}
}
}
/**
* Returns the last modification date as a unix timestamp.
*
* @return int
*/
public function getLastModified()
{
return isset($this->cardData['lastmodified']) ? $this->cardData['lastmodified'] : null;
}
/**
* Returns the size of this object in bytes.
*
* @return int
*/
public function getSize()
{
if (array_key_exists('size', $this->cardData)) {
return $this->cardData['size'];
} else {
return strlen($this->get());
}
}
/**
* 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 $this->addressBookInfo['principaluri'];
}
/**
* Returns a list of ACE's for this node.
*
* Each ACE has the following properties:
* * 'privilege', a string such as {DAV:}read or {DAV:}write. These are
* currently the only supported privileges
* * 'principal', a url to the principal who owns the node
* * 'protected' (optional), indicating that this ACE is not allowed to
* be updated.
*
* @return array
*/
public function getACL()
{
// An alternative acl may be specified through the cardData array.
if (isset($this->cardData['acl'])) {
return $this->cardData['acl'];
}
return [
[
'privilege' => '{DAV:}all',
'principal' => $this->addressBookInfo['principaluri'],
'protected' => true,
],
];
}
}
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