<?php
namespace Sabre\CardDAV;
use Sabre\DAV;
use Sabre\DAVACL;
/**
* The AddressBook class represents a CardDAV addressbook, owned by a specific user
*
* The AddressBook can contain multiple vcards
*
* @copyright Copyright (C) fruux GmbH (https://fruux.com/)
* @author Evert Pot (http://evertpot.com/)
* @license http://sabre.io/license/ Modified BSD License
*/
class AddressBook extends DAV\Collection implements IAddressBook, DAV\IProperties, DAVACL\IACL, DAV\Sync\ISyncCollection, DAV\IMultiGet {
/**
* This is an array with addressbook information
*
* @var array
*/
protected $addressBookInfo;
/**
* CardDAV backend
*
* @var Backend\BackendInterface
*/
protected $carddavBackend;
/**
* Constructor
*
* @param Backend\BackendInterface $carddavBackend
* @param array $addressBookInfo
*/
function __construct(Backend\BackendInterface $carddavBackend, array $addressBookInfo) {
$this->carddavBackend = $carddavBackend;
$this->addressBookInfo = $addressBookInfo;
}
/**
* Returns the name of the addressbook
*
* @return string
*/
function getName() {
return $this->addressBookInfo['uri'];
}
/**
* Returns a card
*
* @param string $name
* @return \ICard
*/
function getChild($name) {
$obj = $this->carddavBackend->getCard($this->addressBookInfo['id'], $name);
if (!$obj) throw new DAV\Exception\NotFound('Card not found');
return new Card($this->carddavBackend, $this->addressBookInfo, $obj);
}
/**
* Returns the full list of cards
*
* @return array
*/
function getChildren() {
$objs = $this->carddavBackend->getCards($this->addressBookInfo['id']);
$children = [];
foreach ($objs as $obj) {
$obj['acl'] = $this->getChildACL();
$children[] = new Card($this->carddavBackend, $this->addressBookInfo, $obj);
}
return $children;
}
/**
* This method receives a list of paths in it's first argument.
* It must return an array with Node objects.
*
* If any children are not found, you do not have to return them.
*
* @param string[] $paths
* @return array
*/
function getMultipleChildren(array $paths) {
$objs = $this->carddavBackend->getMultipleCards($this->addressBookInfo['id'], $paths);
$children = [];
foreach ($objs as $obj) {
$obj['acl'] = $this->getChildACL();
$children[] = new Card($this->carddavBackend, $this->addressBookInfo, $obj);
}
return $children;
}
/**
* Creates a new directory
*
* We actually block this, as subdirectories are not allowed in addressbooks.
*
* @param string $name
* @return void
*/
function createDirectory($name) {
throw new DAV\Exception\MethodNotAllowed('Creating collections in addressbooks is not allowed');
}
/**
* Creates a new file
*
* The contents of the new file must be a valid VCARD.
*
* This method may return an ETag.
*
* @param string $name
* @param resource $vcardData
* @return string|null
*/
function createFile($name, $vcardData = null) {
if (is_resource($vcardData)) {
$vcardData = stream_get_contents($vcardData);
}
// Converting to UTF-8, if needed
$vcardData = DAV\StringUtil::ensureUTF8($vcardData);
return $this->carddavBackend->createCard($this->addressBookInfo['id'], $name, $vcardData);
}
/**
* Deletes the entire addressbook.
*
* @return void
*/
function delete() {
$this->carddavBackend->deleteAddressBook($this->addressBookInfo['id']);
}
/**
* Renames the addressbook
*
* @param string $newName
* @return void
*/
function setName($newName) {
throw new DAV\Exception\MethodNotAllowed('Renaming addressbooks is not yet supported');
}
/**
* Returns the last modification date as a unix timestamp.
*
* @return void
*/
function getLastModified() {
return null;
}
/**
* Updates properties on this node.
*
* This method received a PropPatch object, which contains all the
* information about the update.
*
* To update specific properties, call the 'handle' method on this object.
* Read the PropPatch documentation for more information.
*
* @param DAV\PropPatch $propPatch
* @return void
*/
function propPatch(DAV\PropPatch $propPatch) {
return $this->carddavBackend->updateAddressBook($this->addressBookInfo['id'], $propPatch);
}
/**
* Returns a list of properties for this nodes.
*
* The properties list is a list of propertynames the client requested,
* encoded in clark-notation {xmlnamespace}tagname
*
* If the array is empty, it means 'all properties' were requested.
*
* @param array $properties
* @return array
*/
function getProperties($properties) {
$response = [];
foreach ($properties as $propertyName) {
if (isset($this->addressBookInfo[$propertyName])) {
$response[$propertyName] = $this->addressBookInfo[$propertyName];
}
}
return $response;
}
/**
* Returns the owner principal
*
* This must be a url to a principal, or null if there's no owner
*
* @return string|null
*/
function getOwner() {
return $this->addressBookInfo['principaluri'];
}
/**
* Returns a group principal
*
* This must be a url to a principal, or null if there's no owner
*
* @return string|null
*/
function getGroup() {
return null;
}
/**
* 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
*/
function getACL() {
return [
[
'privilege' => '{DAV:}read',
'principal' => $this->getOwner(),
'protected' => true,
],
[
'privilege' => '{DAV:}write',
'principal' => $this->getOwner(),
'protected' => true,
],
];
}
/**
* This method returns the ACL's for card nodes in this address book.
* The result of this method automatically gets passed to the
* card nodes in this address book.
*
* @return array
*/
function getChildACL() {
return [
[
'privilege' => '{DAV:}read',
'principal' => $this->getOwner(),
'protected' => true,
],
[
'privilege' => '{DAV:}write',
'principal' => $this->getOwner(),
'protected' => true,
],
];
}
/**
* Updates the ACL
*
* This method will receive a list of new ACE's.
*
* @param array $acl
* @return void
*/
function setACL(array $acl) {
throw new DAV\Exception\MethodNotAllowed('Changing ACL is not yet supported');
}
/**
* Returns the list of supported privileges for this node.
*
* The returned data structure is a list of nested privileges.
* See Sabre\DAVACL\Plugin::getDefaultSupportedPrivilegeSet for a simple
* standard structure.
*
* If null is returned from this method, the default privilege set is used,
* which is fine for most common usecases.
*
* @return array|null
*/
function getSupportedPrivilegeSet() {
return null;
}
/**
* This method returns the current sync-token for this collection.
* This can be any string.
*
* If null is returned from this function, the plugin assumes there's no
* sync information available.
*
* @return string|null
*/
function getSyncToken() {
if (
$this->carddavBackend instanceof Backend\SyncSupport &&
isset($this->addressBookInfo['{DAV:}sync-token'])
) {
return $this->addressBookInfo['{DAV:}sync-token'];
}
if (
$this->carddavBackend instanceof Backend\SyncSupport &&
isset($this->addressBookInfo['{http://sabredav.org/ns}sync-token'])
) {
return $this->addressBookInfo['{http://sabredav.org/ns}sync-token'];
}
}
/**
* The getChanges method returns all the changes that have happened, since
* the specified syncToken and the current collection.
*
* This function should return an array, such as the following:
*
* [
* 'syncToken' => 'The current synctoken',
* 'added' => [
* 'new.txt',
* ],
* 'modified' => [
* 'modified.txt',
* ],
* 'deleted' => [
* 'foo.php.bak',
* 'old.txt'
* ]
* ];
*
* The syncToken property should reflect the *current* syncToken of the
* collection, as reported getSyncToken(). This is needed here too, to
* ensure the operation is atomic.
*
* If the syncToken is specified as null, this is an initial sync, and all
* members should be reported.
*
* The modified property is an array of nodenames that have changed since
* the last token.
*
* The deleted property is an array with nodenames, that have been deleted
* from collection.
*
* The second argument is basically the 'depth' of the report. If it's 1,
* you only have to report changes that happened only directly in immediate
* descendants. If it's 2, it should also include changes from the nodes
* below the child collections. (grandchildren)
*
* The third (optional) argument allows a client to specify how many
* results should be returned at most. If the limit is not specified, it
* should be treated as infinite.
*
* If the limit (infinite or not) is higher than you're willing to return,
* you should throw a Sabre\DAV\Exception\TooMuchMatches() exception.
*
* If the syncToken is expired (due to data cleanup) or unknown, you must
* return null.
*
* The limit is 'suggestive'. You are free to ignore it.
*
* @param string $syncToken
* @param int $syncLevel
* @param int $limit
* @return array
*/
function getChanges($syncToken, $syncLevel, $limit = null) {
if (!$this->carddavBackend instanceof Backend\SyncSupport) {
return null;
}
return $this->carddavBackend->getChangesForAddressBook(
$this->addressBookInfo['id'],
$syncToken,
$syncLevel,
$limit
);
}
}
