nextcloud/apps/files_external/lib/smb_oc.php

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<?php
/**
* Copyright (c) 2014 Robin McCorkell <rmccorkell@karoshi.org.uk>
* This file is licensed under the Affero General Public License version 3 or
* later.
* See the COPYING-README file.
*/
namespace OC\Files\Storage;
require_once __DIR__ . '/../3rdparty/smb4php/smb.php';
class SMB_OC extends \OC\Files\Storage\SMB {
private $username_as_share;
/**
* @param array $params
* @throws \Exception
*/
public function __construct($params) {
if (isset($params['host']) && \OC::$server->getSession()->exists('smb-credentials')) {
$host=$params['host'];
$this->username_as_share = ($params['username_as_share'] === 'true');
$params_auth = json_decode(\OC::$server->getCrypto()->decrypt(\OC::$server->getSession()->get('smb-credentials')), true);
$user = \OC::$server->getSession()->get('loginname');
$password = $params_auth['password'];
$root=isset($params['root'])?$params['root']:'/';
$share = '';
if ($this->username_as_share) {
$share = '/'.$user;
} elseif (isset($params['share'])) {
$share = $params['share'];
} else {
throw new \Exception();
}
parent::__construct(array(
"user" => $user,
"password" => $password,
"host" => $host,
"share" => $share,
"root" => $root
));
} else {
throw new \Exception();
}
}
/**
* Intercepts the user credentials on login and stores them
* encrypted inside the session if SMB_OC storage is enabled.
* @param array $params
*/
public static function login($params) {
$mountpoints = \OC_Mount_Config::getAbsoluteMountPoints($params['uid']);
$mountpointClasses = array();
foreach($mountpoints as $mountpoint) {
$mountpointClasses[$mountpoint['class']] = true;
}
if(isset($mountpointClasses['\OC\Files\Storage\SMB_OC'])) {
\OC::$server->getSession()->set('smb-credentials', \OC::$server->getCrypto()->encrypt(json_encode($params)));
}
}
/**
* @param string $path
* @return boolean
*/
public function isSharable($path) {
return false;
}
/**
* @param bool $isPersonal
* @return bool
*/
public function test($isPersonal = true) {
if ($isPersonal) {
if ($this->stat('')) {
return true;
}
return false;
} else {
$smb = new \smb();
$pu = $smb->parse_url($this->constructUrl(''));
// Attempt to connect anonymously
$pu['user'] = '';
$pu['pass'] = '';
// Share cannot be checked if dynamic
if ($this->username_as_share) {
if ($smb->look($pu)) {
return true;
} else {
return false;
}
}
if (!$pu['share']) {
return false;
}
// The following error messages are expected due to anonymous login
$regexp = array(
'(NT_STATUS_ACCESS_DENIED)' => 'skip'
) + $smb->getRegexp();
if ($smb->client("-d 0 " . escapeshellarg('//' . $pu['host'] . '/' . $pu['share']) . " -c exit", $pu, $regexp)) {
return true;
} else {
return false;
}
}
}
}