nextcloud/lib/private/connector/sabre/principal.php

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<?php
/**
* Copyright (c) 2011 Jakob Sack mail@jakobsack.de
* Copyright (c) 2012 Bart Visscher <bartv@thisnet.nl>
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* Copyright (c) 2014 Lukas Reschke lukas@owncloud.com
*
* This file is licensed under the Affero General Public License version 3 or
* later.
* See the COPYING-README file.
*/
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namespace OC\Connector\Sabre;
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use OCP\IUserManager;
use OCP\IConfig;
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class Principal implements \Sabre\DAVACL\PrincipalBackend\BackendInterface {
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/** @var IConfig */
private $config;
/** @var IUserManager */
private $userManager;
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/**
* @param IConfig $config
* @param IUserManager $userManager
*/
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public function __construct(IConfig $config,
IUserManager $userManager) {
$this->config = $config;
$this->userManager = $userManager;
}
/**
* Returns a list of principals based on a prefix.
*
* This prefix will often contain something like 'principals'. You are only
* expected to return principals that are in this base path.
*
* You are expected to return at least a 'uri' for every user, you can
* return any additional properties if you wish so. Common properties are:
* {DAV:}displayname
*
* @param string $prefixPath
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* @return string[]
*/
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public function getPrincipalsByPrefix($prefixPath) {
$principals = [];
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if ($prefixPath === 'principals') {
foreach($this->userManager->search('') as $user) {
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$principal = [
'uri' => 'principals/' . $user->getUID(),
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'{DAV:}displayname' => $user->getUID(),
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];
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$email = $this->config->getUserValue($user->getUID(), 'settings', 'email');
if(!empty($email)) {
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$principal['{http://sabredav.org/ns}email-address'] = $email;
}
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$principals[] = $principal;
}
}
return $principals;
}
/**
* Returns a specific principal, specified by it's path.
* The returned structure should be the exact same as from
* getPrincipalsByPrefix.
*
* @param string $path
* @return array
*/
public function getPrincipalByPath($path) {
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list($prefix, $name) = explode('/', $path);
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$user = $this->userManager->get($name);
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if ($prefix === 'principals' && !is_null($user)) {
$principal = [
'uri' => 'principals/' . $user->getUID(),
'{DAV:}displayname' => $user->getUID(),
];
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$email = $this->config->getUserValue($user->getUID(), 'settings', 'email');
if($email) {
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$principal['{http://sabredav.org/ns}email-address'] = $email;
}
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return $principal;
}
return null;
}
/**
* Returns the list of members for a group-principal
*
* @param string $principal
* @return string[]
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* @throws \Sabre\DAV\Exception
*/
public function getGroupMemberSet($principal) {
// TODO: for now the group principal has only one member, the user itself
$principal = $this->getPrincipalByPath($principal);
if (!$principal) {
throw new \Sabre\DAV\Exception('Principal not found');
}
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return [$principal['uri']];
}
/**
* Returns the list of groups a principal is a member of
*
* @param string $principal
* @return array
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* @throws \Sabre\DAV\Exception
*/
public function getGroupMembership($principal) {
list($prefix, $name) = \Sabre\DAV\URLUtil::splitPath($principal);
$group_membership = array();
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if ($prefix === 'principals') {
$principal = $this->getPrincipalByPath($principal);
if (!$principal) {
throw new \Sabre\DAV\Exception('Principal not found');
}
// TODO: for now the user principal has only its own groups
return array(
'principals/'.$name.'/calendar-proxy-read',
'principals/'.$name.'/calendar-proxy-write',
// The addressbook groups are not supported in Sabre,
// see http://groups.google.com/group/sabredav-discuss/browse_thread/thread/ef2fa9759d55f8c#msg_5720afc11602e753
//'principals/'.$name.'/addressbook-proxy-read',
//'principals/'.$name.'/addressbook-proxy-write',
);
}
return $group_membership;
}
/**
* Updates the list of group members for a group principal.
*
* The principals should be passed as a list of uri's.
*
* @param string $principal
* @param array $members
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* @throws \Sabre\DAV\Exception
*/
public function setGroupMemberSet($principal, array $members) {
throw new \Sabre\DAV\Exception('Setting members of the group is not supported yet');
}
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/**
* @param string $path
* @param array $mutations
* @return int
*/
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function updatePrincipal($path, $mutations) {
return 0;
}
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/**
* @param string $prefixPath
* @param array $searchProperties
* @return array
*/
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function searchPrincipals($prefixPath, array $searchProperties) {
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return [];
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}
}