GOLDEN HOUR

DIR: /home/vlabbdco/public_html/wp-content/plugins/fileorganizer/manager/php

Name	Size	Action
[ .tmp ]	-
autoload.php	2.62 KB
[ editors ]	-
elFinder.class.php	184.44 KB
elFinderConnector.class.php	12.29 KB
elFinderFlysystemGoogleDriveNetmount.php	14.82 KB
elFinderPlugin.php	3.25 KB
elFinderSession.php	8.56 KB
elFinderSessionInterface.php	1.07 KB
elFinderVolumeBox.class.php	60.31 KB
elFinderVolumeDriver.class.php	256.91 KB
elFinderVolumeDropbox.class.php	40.8 KB
elFinderVolumeDropbox2.class.php	46.29 KB
elFinderVolumeFTP.class.php	57.18 KB
elFinderVolumeGoogleDrive.class.php	69.58 KB
elFinderVolumeGroup.class.php	5.25 KB
elFinderVolumeLocalFileSystem.class.php	47.41 KB
elFinderVolumeMySQL.class.php	29.73 KB
elFinderVolumeOneDrive.class.php	65.67 KB
elFinderVolumeSFTPphpseclib.class.php	27.13 KB
elFinderVolumeTrash.class.php	1.55 KB
elFinderVolumeTrashMySQL.class.php	1.54 KB
[ libs ]	-
mime.types	24.28 KB
[ plugins ]	-
[ resources ]	-

Edit: elFinderVolumeDropbox2.class.php

<?php

use Kunnu\Dropbox\Dropbox;
use Kunnu\Dropbox\DropboxApp;
use Kunnu\Dropbox\DropboxFile;
use Kunnu\Dropbox\Exceptions\DropboxClientException;
use Kunnu\Dropbox\Models\FileMetadata;
use Kunnu\Dropbox\Models\FolderMetadata;

/**
 * Simple elFinder driver for Dropbox
 * kunalvarma05/dropbox-php-sdk:0.1.5 or above.
 *
 * @author Naoki Sawada
 **/
class elFinderVolumeDropbox2 extends elFinderVolumeDriver
{
    /**
     * Driver id
     * Must be started from letter and contains [a-z0-9]
     * Used as part of volume id.
     *
     * @var string
     **/
    protected $driverId = 'db';

/**
     * Dropbox service object.
     *
     * @var object
     **/
    protected $service = null;

/**
     * Fetch options.
     *
     * @var string
     */
    private $FETCH_OPTIONS = [];

/**
     * Directory for tmp files
     * If not set driver will try to use tmbDir as tmpDir.
     *
     * @var string
     **/
    protected $tmp = '';

/**
     * Net mount key.
     *
     * @var string
     **/
    public $netMountKey = '';

/**
     * Constructor
     * Extend options with required fields.
     *
     * @author Naoki Sawada
     **/
    public function __construct()
    {
        $opts = [
            'app_key' => '',
            'app_secret' => '',
            'access_token' => '',
            'aliasFormat' => '%s@Dropbox',
            'path' => '/',
            'separator' => '/',
            'acceptedName' => '#^[^\\\/]+$#',
            'rootCssClass' => 'elfinder-navbar-root-dropbox',
            'publishPermission' => [
                'requested_visibility' => 'public',
                //'link_password' => '',
                //'expires' => '',
            ],
            'getThumbSize' => 'medium', // Available sizes: 'thumb', 'small', 'medium', 'large', 'huge'
        ];
        $this->options = array_merge($this->options, $opts);
        $this->options['mimeDetect'] = 'internal';
    }

/*********************************************************************/
    /*                        ORIGINAL FUNCTIONS                         */
    /*********************************************************************/

/**
     * Get Parent ID, Item ID, Parent Path as an array from path.
     *
     * @param string $path
     *
     * @return array
     */
    protected function _db_splitPath($path)
    {
        $path = trim($path, '/');
        if ($path === '') {
            $dirname = '/';
            $basename = '';
        } else {
            $pos = strrpos($path, '/');
            if ($pos === false) {
                $dirname = '/';
                $basename = $path;
            } else {
                $dirname = '/' . substr($path, 0, $pos);
                $basename = substr($path, $pos + 1);
            }
        }

return [$dirname, $basename];
    }

/**
     * Get dat(Dropbox metadata) from Dropbox.
     *
     * @param string $path
     *
     * @return boolean|object Dropbox metadata
     */
    private function _db_getFile($path)
    {
        if ($path === '/') {
            return true;
        }

$res = false;
        try {
            $file = $this->service->getMetadata($path, $this->FETCH_OPTIONS);
            if ($file instanceof FolderMetadata || $file instanceof FileMetadata) {
                $res = $file;
            }

return $res;
        } catch (DropboxClientException $e) {
            return false;
        }
    }

/**
     * Parse line from Dropbox metadata output and return file stat (array).
     *
     * @param object $raw line from ftp_rawlist() output
     *
     * @return array
     * @author Naoki Sawada
     **/
    protected function _db_parseRaw($raw)
    {
        $stat = [];
        $isFolder = false;
        if ($raw === true) {
            // root folder
            $isFolder = true;
            $stat['name'] = '';
            $stat['iid'] = '0';
        }

$data = [];
        if (is_object($raw)) {
            $isFolder = $raw instanceof FolderMetadata;
            $data = $raw->getData();
        } elseif (is_array($raw)) {
            $isFolder = $raw['.tag'] === 'folder';
            $data = $raw;
        }

if (isset($data['path_lower'])) {
            $stat['path'] = $data['path_lower'];
        }

if (isset($data['name'])) {
            $stat['name'] = $data['name'];
        }

if (isset($data['id'])) {
            $stat['iid'] = substr($data['id'], 3);
        }

if ($isFolder) {
            $stat['mime'] = 'directory';
            $stat['size'] = 0;
            $stat['ts'] = 0;
            $stat['dirs'] = -1;
        } else {
            $stat['size'] = isset($data['size']) ? (int)$data['size'] : 0;
            if (isset($data['server_modified'])) {
                $stat['ts'] = strtotime($data['server_modified']);
            } elseif (isset($data['client_modified'])) {
                $stat['ts'] = strtotime($data['client_modified']);
            } else {
                $stat['ts'] = 0;
            }
            $stat['url'] = '1';
        }

return $stat;
    }

/**
     * Get thumbnail from Dropbox.
     *
     * @param string $path
     * @param string $size
     *
     * @return string | boolean
     */
    protected function _db_getThumbnail($path)
    {
        try {
            return $this->service->getThumbnail($path, $this->options['getThumbSize'])->getContents();
        } catch (DropboxClientException $e) {
            return false;
        }
    }

/**
     * Join dir name and file name(display name) and retur full path.
     *
     * @param string $dir
     * @param string $displayName
     *
     * @return string
     */
    protected function _db_joinName($dir, $displayName)
    {
        return rtrim($dir, '/') . '/' . $displayName;
    }

/**
     * Get OAuth2 access token form OAuth1 tokens.
     *
     * @param string $app_key
     * @param string $app_secret
     * @param string $oauth1_token
     * @param string $oauth1_secret
     *
     * @return string|false
     */
    public static function getTokenFromOauth1($app_key, $app_secret, $oauth1_token, $oauth1_secret)
    {
        $data = [
            'oauth1_token' => $oauth1_token,
            'oauth1_token_secret' => $oauth1_secret,
        ];
        $auth = base64_encode($app_key . ':' . $app_secret);

$ch = curl_init('https://api.dropboxapi.com/2/auth/token/from_oauth1');
        curl_setopt($ch, CURLOPT_POST, true);
        curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
        curl_setopt($ch, CURLOPT_HTTPHEADER, [
            'Content-Type: application/json',
            'Authorization: Basic ' . $auth,
        ]);
        curl_setopt($ch, CURLOPT_POSTFIELDS, json_encode($data));
        $result = curl_exec($ch);
        curl_close($ch);

$res = $result ? json_decode($result, true) : [];

return isset($res['oauth2_token']) ? $res['oauth2_token'] : false;
    }

/*********************************************************************/
    /*                        EXTENDED FUNCTIONS                         */
    /*********************************************************************/

/**
     * Prepare
     * Call from elFinder::netmout() before volume->mount().
     *
     * @return array
     * @author Naoki Sawada
     **/
    public function netmountPrepare($options)
    {
        if (empty($options['app_key']) && defined('ELFINDER_DROPBOX_APPKEY')) {
            $options['app_key'] = ELFINDER_DROPBOX_APPKEY;
        }
        if (empty($options['app_secret']) && defined('ELFINDER_DROPBOX_APPSECRET')) {
            $options['app_secret'] = ELFINDER_DROPBOX_APPSECRET;
        }

if (!isset($options['pass'])) {
            $options['pass'] = '';
        }

try {
            $app = new DropboxApp($options['app_key'], $options['app_secret']);
            $dropbox = new Dropbox($app);
            $authHelper = $dropbox->getAuthHelper();

if ($options['pass'] === 'reauth') {
                $options['pass'] = '';
                $this->session->set('Dropbox2AuthParams', [])->set('Dropbox2Tokens', []);
            } elseif ($options['pass'] === 'dropbox2') {
                $options['pass'] = '';
            }

$options = array_merge($this->session->get('Dropbox2AuthParams', []), $options);

if (!isset($options['tokens'])) {
                $options['tokens'] = $this->session->get('Dropbox2Tokens', []);
                $this->session->remove('Dropbox2Tokens');
            }
            $aToken = $options['tokens'];
            if (!is_array($aToken) || !isset($aToken['access_token'])) {
                $aToken = [];
            }

$service = null;
            if ($aToken) {
                try {
                    $dropbox->setAccessToken($aToken['access_token']);
                    $this->session->set('Dropbox2AuthParams', $options);
                } catch (DropboxClientException $e) {
                    $aToken = [];
                    $options['tokens'] = [];
                    if ($options['user'] !== 'init') {
                        $this->session->set('Dropbox2AuthParams', $options);

return ['exit' => true, 'error' => elFinder::ERROR_REAUTH_REQUIRE];
                    }
                }
            }

if ((isset($options['user']) && $options['user'] === 'init') || (isset($_GET['host']) && $_GET['host'] == '1')) {
                if (empty($options['url'])) {
                    $options['url'] = elFinder::getConnectorUrl();
                }

if (!empty($options['id'])) {
                    $callback = $options['url']
                            . (strpos($options['url'], '?') !== false? '&' : '?') . 'cmd=netmount&protocol=dropbox2&host=' . ($options['id'] === 'elfinder'? '1' : $options['id']);
                }

$itpCare = isset($options['code']);
                $code = $itpCare? $options['code'] : (isset($_GET['code'])? $_GET['code'] : '');
                $state = $itpCare? $options['state'] : (isset($_GET['state'])? $_GET['state'] : '');
                if (!$aToken && empty($code)) {
                    $url = $authHelper->getAuthUrl($callback);

$html = '<input id="elf-volumedriver-dropbox2-host-btn" class="ui-button ui-widget ui-state-default ui-corner-all ui-button-text-only" value="{msg:btnApprove}" type="button">';
                    $html .= '<script>
                        $("#' . $options['id'] . '").elfinder("instance").trigger("netmount", {protocol: "dropbox2", mode: "makebtn", url: "' . $url . '"});
                    </script>';
                    if (empty($options['pass']) && $options['host'] !== '1') {
                        $options['pass'] = 'return';
                        $this->session->set('Dropbox2AuthParams', $options);

return ['exit' => true, 'body' => $html];
                    } else {
                        $out = [
                            'node' => $options['id'],
                            'json' => '{"protocol": "dropbox2", "mode": "makebtn", "body" : "' . str_replace($html, '"', '\\"') . '", "error" : "' . elFinder::ERROR_ACCESS_DENIED . '"}',
                            'bind' => 'netmount',
                        ];

return ['exit' => 'callback', 'out' => $out];
                    }
                } else {
                    if ($code && $state) {
                        if (!empty($options['id'])) {
                            // see https://github.com/kunalvarma05/dropbox-php-sdk/issues/115
                            $authHelper->getPersistentDataStore()->set('state', htmlspecialchars($state));
                            $tokenObj = $authHelper->getAccessToken($code, $state, $callback);
                            $options['tokens'] = [
                                'access_token' => $tokenObj->getToken(),
                                'uid' => $tokenObj->getUid(),
                            ];
                            unset($options['code'], $options['state']);
                            $this->session->set('Dropbox2Tokens', $options['tokens'])->set('Dropbox2AuthParams', $options);
                            $out = [
                                'node' => $options['id'],
                                'json' => '{"protocol": "dropbox2", "mode": "done", "reset": 1}',
                                'bind' => 'netmount',
                            ];
                        } else {
                            $nodeid = ($_GET['host'] === '1')? 'elfinder' : $_GET['host'];
                            $out = [
                                'node' => $nodeid,
                                'json' => json_encode(array(
                                    'protocol' => 'dropbox2',
                                    'host' => $nodeid,
                                    'mode' => 'redirect',
                                    'options' => array(
                                        'id' => $nodeid,
                                        'code' => $code,
                                        'state' => $state
                                    )
                                )),
                                'bind' => 'netmount'
                            ];
                        }
                        if (!$itpCare) {
                            return array('exit' => 'callback', 'out' => $out);
                        } else {
                            return array('exit' => true, 'body' => $out['json']);
                        }
                    }
                    $path = $options['path'];
                    $folders = [];
                    $listFolderContents = $dropbox->listFolder($path);
                    $items = $listFolderContents->getItems();
                    foreach ($items as $item) {
                        $data = $item->getData();
                        if ($data['.tag'] === 'folder') {
                            $folders[$data['path_lower']] = $data['name'];
                        }
                    }
                    natcasesort($folders);

if ($options['pass'] === 'folders') {
                        return ['exit' => true, 'folders' => $folders];
                    }

$folders = ['/' => '/'] + $folders;
                    $folders = json_encode($folders);
                    $json = '{"protocol": "dropbox2", "mode": "done", "folders": ' . $folders . '}';
                    $options['pass'] = 'return';
                    $html = 'Dropbox.com';
                    $html .= '<script>
                        $("#' . $options['id'] . '").elfinder("instance").trigger("netmount", ' . $json . ');
                    </script>';
                    $this->session->set('Dropbox2AuthParams', $options);

return ['exit' => true, 'body' => $html];
                }
            }
        } catch (DropboxClientException $e) {
            $this->session->remove('Dropbox2AuthParams')->remove('Dropbox2Tokens');
            if (empty($options['pass'])) {
                return ['exit' => true, 'body' => '{msg:' . elFinder::ERROR_ACCESS_DENIED . '}' . ' ' . $e->getMessage()];
            } else {
                return ['exit' => true, 'error' => [elFinder::ERROR_ACCESS_DENIED, $e->getMessage()]];
            }
        }

if (!$aToken) {
            return ['exit' => true, 'error' => elFinder::ERROR_REAUTH_REQUIRE];
        }

if ($options['path'] === 'root') {
            $options['path'] = '/';
        }

try {
            if ($options['path'] !== '/') {
                $file = $dropbox->getMetadata($options['path']);
                $name = $file->getName();
            } else {
                $name = 'root';
            }
            $options['alias'] = sprintf($this->options['aliasFormat'], $name);
        } catch (DropboxClientException $e) {
            return ['exit' => true, 'error' => $e->getMessage()];
        }

foreach (['host', 'user', 'pass', 'id', 'offline'] as $key) {
            unset($options[$key]);
        }

return $options;
    }

/**
     * process of on netunmount
     * Drop `Dropbox` & rm thumbs.
     *
     * @param array $options
     *
     * @return bool
     */
    public function netunmount($netVolumes, $key)
    {
        if ($tmbs = glob(rtrim($this->options['tmbPath'], '\\/') . DIRECTORY_SEPARATOR . $this->driverId . '_' . $this->options['tokens']['uid'] . '*.png')) {
            foreach ($tmbs as $file) {
                unlink($file);
            }
        }

return true;
    }

/*********************************************************************/
    /*                        INIT AND CONFIGURE                         */
    /*********************************************************************/

/**
     * Prepare Dropbox connection
     * Connect to remote server and check if credentials are correct, if so, store the connection id in $this->service.
     *
     * @return bool
     * @author Naoki Sawada
     **/
    protected function init()
    {
        if (empty($this->options['app_key'])) {
            if (defined('ELFINDER_DROPBOX_APPKEY') && ELFINDER_DROPBOX_APPKEY) {
                $this->options['app_key'] = ELFINDER_DROPBOX_APPKEY;
            } else {
                return $this->setError('Required option "app_key" is undefined.');
            }
        }
        if (empty($this->options['app_secret'])) {
            if (defined('ELFINDER_DROPBOX_APPSECRET') && ELFINDER_DROPBOX_APPSECRET) {
                $this->options['app_secret'] = ELFINDER_DROPBOX_APPSECRET;
            } else {
                return $this->setError('Required option "app_secret" is undefined.');
            }
        }
        if (isset($this->options['tokens']) && is_array($this->options['tokens']) && !empty($this->options['tokens']['access_token'])) {
            $this->options['access_token'] = $this->options['tokens']['access_token'];
        }
        if (!$this->options['access_token']) {
            return $this->setError('Required option "access_token" or "refresh_token" is undefined.');
        }

try {
            // make net mount key for network mount
            $aToken = $this->options['access_token'];
            $this->netMountKey = md5($aToken . '-' . $this->options['path']);

$errors = [];
            if ($this->needOnline && !$this->service) {
                $app = new DropboxApp($this->options['app_key'], $this->options['app_secret'], $aToken);
                $this->service = new Dropbox($app);
                // to check access_token
                $this->service->getCurrentAccount();
            }
        } catch (DropboxClientException $e) {
            $errors[] = 'Dropbox error: ' . $e->getMessage();
        } catch (Exception $e) {
            $errors[] = $e->getMessage();
        }

if ($this->needOnline && !$this->service) {
            $errors[] = 'Dropbox Service could not be loaded.';
        }

if ($errors) {
            return $this->setError($errors);
        }

// normalize root path
        $this->options['path'] = strtolower($this->options['path']);
        if ($this->options['path'] == 'root') {
            $this->options['path'] = '/';
        }
        $this->root = $this->options['path'] = $this->_normpath($this->options['path']);

if (empty($this->options['alias'])) {
            $this->options['alias'] = sprintf($this->options['aliasFormat'], ($this->options['path'] === '/') ? 'Root' : $this->_basename($this->options['path']));
            if (!empty($this->options['netkey'])) {
                elFinder::$instance->updateNetVolumeOption($this->options['netkey'], 'alias', $this->options['alias']);
            }
        }

$this->rootName = $this->options['alias'];

if (!empty($this->options['tmpPath'])) {
            if ((is_dir($this->options['tmpPath']) || mkdir($this->options['tmpPath'])) && is_writable($this->options['tmpPath'])) {
                $this->tmp = $this->options['tmpPath'];
            }
        }

if (!$this->tmp && ($tmp = elFinder::getStaticVar('commonTempPath'))) {
            $this->tmp = $tmp;
        }

// This driver dose not support `syncChkAsTs`
        $this->options['syncChkAsTs'] = false;

// 'lsPlSleep' minmum 10 sec
        $this->options['lsPlSleep'] = max(10, $this->options['lsPlSleep']);

// enable command archive
        $this->options['useRemoteArchive'] = true;

return true;
    }

/**
     * Configure after successfull mount.
     *
     * @author Naoki Sawada
     * @throws elFinderAbortException
     */
    protected function configure()
    {
        parent::configure();

// fallback of $this->tmp
        if (!$this->tmp && $this->tmbPathWritable) {
            $this->tmp = $this->tmbPath;
        }

if ($this->isMyReload()) {
            //$this->_db_getDirectoryData(false);
        }
    }

/*********************************************************************/
    /*                               FS API                              */
    /*********************************************************************/

/**
     * Close opened connection.
     **/
    public function umount()
    {
    }

/**
     * Cache dir contents.
     *
     * @param string $path dir path
     *
     * @return
     * @author Naoki Sawada
     */
    protected function cacheDir($path)
    {
        $this->dirsCache[$path] = [];
        $hasDir = false;

$res = $this->service->listFolder($path, $this->FETCH_OPTIONS);

if ($res) {
            $items = $res->getItems()->all();
            foreach ($items as $raw) {
                if ($stat = $this->_db_parseRaw($raw)) {
                    $mountPath = $this->_joinPath($path, $stat['name']);
                    $stat = $this->updateCache($mountPath, $stat);
                    if (empty($stat['hidden']) && $path !== $mountPath) {
                        if (!$hasDir && $stat['mime'] === 'directory') {
                            $hasDir = true;
                        }
                        $this->dirsCache[$path][] = $mountPath;
                    }
                }
            }
        }

if (isset($this->sessionCache['subdirs'])) {
            $this->sessionCache['subdirs'][$path] = $hasDir;
        }

return $this->dirsCache[$path];
    }

/**
     * Recursive files search.
     *
     * @param string $path dir path
     * @param string $q    search string
     * @param array  $mimes
     *
     * @return array
     * @throws elFinderAbortException
     * @author Naoki Sawada
     */
    protected function doSearch($path, $q, $mimes)
    {
        if (!empty($this->doSearchCurrentQuery['matchMethod']) || $mimes) {
            // has custom match method or mimes, use elFinderVolumeDriver::doSearch()
            return parent::doSearch($path, $q, $mimes);
        }

$timeout = $this->options['searchTimeout'] ? $this->searchStart + $this->options['searchTimeout'] : 0;

$searchRes = $this->service->search($path, $q, ['start' => 0, 'max_results' => 1000]);
        $items = $searchRes->getItems();
        $more = $searchRes->hasMoreItems();
        while ($more) {
            if ($timeout && $timeout < time()) {
                $this->setError(elFinder::ERROR_SEARCH_TIMEOUT, $this->_path($path));
                break;
            }
            $searchRes = $this->service->search($path, $q, ['start' => $searchRes->getCursor(), 'max_results' => 1000]);
            $more = $searchRes->hasMoreItems();
            $items = $items->merge($searchRes->getItems());
        }

$result = [];
        foreach ($items as $raw) {
            if ($stat = $this->_db_parseRaw($raw->getMetadata())) {
                $stat = $this->updateCache($stat['path'], $stat);
                if (empty($stat['hidden'])) {
                    $result[] = $stat;
                }
            }
        }

return $result;
    }

/**
     * Copy file/recursive copy dir only in current volume.
     * Return new file path or false.
     *
     * @param string $src  source path
     * @param string $dst  destination dir path
     * @param string $name new file name (optionaly)
     *
     * @return string|false
     * @throws elFinderAbortException
     * @author Naoki Sawada
     */
    protected function copy($src, $dst, $name)
    {
        $srcStat = $this->stat($src);
        $target = $this->_joinPath($dst, $name);
        $tgtStat = $this->stat($target);
        if ($tgtStat) {
            if ($srcStat['mime'] === 'directory') {
                return parent::copy($src, $dst, $name);
            } else {
                $this->_unlink($target);
            }
        }
        $this->clearcache();
        if ($res = $this->_copy($src, $dst, $name)) {
            $this->added[] = $this->stat($target);
            $res = $target;
        }

return $res;
    }

/**
     * Remove file/ recursive remove dir.
     *
     * @param string $path  file path
     * @param bool   $force try to remove even if file locked
     * @param bool   $recursive
     *
     * @return bool
     * @throws elFinderAbortException
     * @author Naoki Sawada
     */
    protected function remove($path, $force = false, $recursive = false)
    {
        $stat = $this->stat($path);
        $stat['realpath'] = $path;
        $this->rmTmb($stat);
        $this->clearcache();

if (empty($stat)) {
            return $this->setError(elFinder::ERROR_RM, $this->_path($path), elFinder::ERROR_FILE_NOT_FOUND);
        }

if (!$force && !empty($stat['locked'])) {
            return $this->setError(elFinder::ERROR_LOCKED, $this->_path($path));
        }

if ($stat['mime'] == 'directory') {
            if (!$recursive && !$this->_rmdir($path)) {
                return $this->setError(elFinder::ERROR_RM, $this->_path($path));
            }
        } else {
            if (!$recursive && !$this->_unlink($path)) {
                return $this->setError(elFinder::ERROR_RM, $this->_path($path));
            }
        }

$this->removed[] = $stat;

return true;
    }

/**
     * Create thumnbnail and return it's URL on success.
     *
     * @param string $path file path
     * @param        $stat
     *
     * @return string|false
     * @throws ImagickException
     * @throws elFinderAbortException
     * @author Naoki Sawada
     */
    protected function createTmb($path, $stat)
    {
        if (!$stat || !$this->canCreateTmb($path, $stat)) {
            return false;
        }

$name = $this->tmbname($stat);
        $tmb = $this->tmbPath . DIRECTORY_SEPARATOR . $name;

// copy image into tmbPath so some drivers does not store files on local fs
        if (!$data = $this->_db_getThumbnail($path)) {
            return false;
        }
        if (!file_put_contents($tmb, $data)) {
            return false;
        }

$tmbSize = $this->tmbSize;

if (($s = getimagesize($tmb)) == false) {
            return false;
        }

$result = true;

/* If image smaller or equal thumbnail size - just fitting to thumbnail square */
        if ($s[0] <= $tmbSize && $s[1] <= $tmbSize) {
            $result = $this->imgSquareFit($tmb, $tmbSize, $tmbSize, 'center', 'middle', $this->options['tmbBgColor'], 'png');
        } else {
            if ($this->options['tmbCrop']) {

/* Resize and crop if image bigger than thumbnail */
                if (!(($s[0] > $tmbSize && $s[1] <= $tmbSize) || ($s[0] <= $tmbSize && $s[1] > $tmbSize)) || ($s[0] > $tmbSize && $s[1] > $tmbSize)) {
                    $result = $this->imgResize($tmb, $tmbSize, $tmbSize, true, false, 'png');
                }

if ($result && ($s = getimagesize($tmb)) != false) {
                    $x = $s[0] > $tmbSize ? intval(($s[0] - $tmbSize) / 2) : 0;
                    $y = $s[1] > $tmbSize ? intval(($s[1] - $tmbSize) / 2) : 0;
                    $result = $this->imgCrop($tmb, $tmbSize, $tmbSize, $x, $y, 'png');
                }
            } else {
                $result = $this->imgResize($tmb, $tmbSize, $tmbSize, true, true, 'png');
            }

if ($result) {
                $result = $this->imgSquareFit($tmb, $tmbSize, $tmbSize, 'center', 'middle', $this->options['tmbBgColor'], 'png');

}
        }

if (!$result) {
            unlink($tmb);

return false;
        }

return $name;
    }

/**
     * Return thumbnail file name for required file.
     *
     * @param array $stat file stat
     *
     * @return string
     * @author Naoki Sawada
     **/
    protected function tmbname($stat)
    {
        $name = $this->driverId . '_';
        if (isset($this->options['tokens']) && is_array($this->options['tokens'])) {
            $name .= $this->options['tokens']['uid'];
        }

return $name . md5($stat['iid']) . $stat['ts'] . '.png';
    }

/**
     * Return content URL (for netmout volume driver)
     * If file.url == 1 requests from JavaScript client with XHR.
     *
     * @param string $hash    file hash
     * @param array  $options options array
     *
     * @return bool|string
     * @author Naoki Sawada
     */
    public function getContentUrl($hash, $options = [])
    {
        if (!empty($options['onetime']) && $this->options['onetimeUrl']) {
            return parent::getContentUrl($hash, $options);
        }
        if (!empty($options['temporary'])) {
            // try make temporary file
            $url = parent::getContentUrl($hash, $options);
            if ($url) {
                return $url;
            }
        }
        $file = $this->file($hash);
        if (($file = $this->file($hash)) !== false && (!$file['url'] || $file['url'] == 1)) {
            $path = $this->decode($hash);
            $url = '';
            try {
                $res = $this->service->postToAPI('/sharing/list_shared_links', ['path' => $path, 'direct_only' => true])->getDecodedBody();
                if ($res && !empty($res['links'])) {
                    foreach ($res['links'] as $link) {
                        if (isset($link['link_permissions'])
                            && isset($link['link_permissions']['requested_visibility'])
                            && $link['link_permissions']['requested_visibility']['.tag'] === $this->options['publishPermission']['requested_visibility']) {
                            $url = $link['url'];
                            break;
                        }
                    }
                }
                if (!$url) {
                    $res = $this->service->postToAPI('/sharing/create_shared_link_with_settings', ['path' => $path, 'settings' => $this->options['publishPermission']])->getDecodedBody();
                    if (isset($res['url'])) {
                        $url = $res['url'];
                    }
                }
                if ($url) {
                    $url = str_replace('www.dropbox.com', 'dl.dropboxusercontent.com', $url);
                    $url = str_replace('?dl=0', '', $url);

return $url;
                }
            } catch (DropboxClientException $e) {
                return $this->setError('Dropbox error: ' . $e->getMessage());
            }
        }

return false;
    }

/**
     * Return debug info for client.
     *
     * @return array
     **/
    public function debug()
    {
        $res = parent::debug();
        if (!empty($this->options['netkey']) && isset($this->options['tokens']) && !empty($this->options['tokens']['uid'])) {
            $res['Dropbox uid'] = $this->options['tokens']['uid'];
            $res['access_token'] = $this->options['tokens']['access_token'];
        }

return $res;
    }

/*********************** paths/urls *************************/

/**
     * Return parent directory path.
     *
     * @param string $path file path
     *
     * @return string
     * @author Naoki Sawada
     **/
    protected function _dirname($path)
    {
        list($dirname) = $this->_db_splitPath($path);

return $dirname;
    }

/**
     * Return file name.
     *
     * @param string $path file path
     *
     * @return string
     * @author Naoki Sawada
     **/
    protected function _basename($path)
    {
        list(, $basename) = $this->_db_splitPath($path);

return $basename;
    }

/**
     * Join dir name and file name and retur full path.
     *
     * @param string $dir
     * @param string $name
     *
     * @return string
     * @author Dmitry (dio) Levashov
     **/
    protected function _joinPath($dir, $name)
    {
        return rtrim($dir, '/') . '/' . strtolower($name);
    }

/**
     * Return normalized path, this works the same as os.path.normpath() in Python.
     *
     * @param string $path path
     *
     * @return string
     * @author Naoki Sawada
     **/
    protected function _normpath($path)
    {
        return '/' . ltrim($path, '/');
    }

/**
     * Return file path related to root dir.
     *
     * @param string $path file path
     *
     * @return string
     * @author Dmitry (dio) Levashov
     **/
    protected function _relpath($path)
    {
        if ($path === $this->root) {
            return '';
        } else {
            return ltrim(substr($path, strlen($this->root)), '/');
        }
    }

/**
     * Convert path related to root dir into real path.
     *
     * @param string $path file path
     *
     * @return string
     * @author Naoki Sawada
     **/
    protected function _abspath($path)
    {
        if ($path === '/') {
            return $this->root;
        } else {
            return $this->_joinPath($this->root, $path);
        }
    }

/**
     * Return fake path started from root dir.
     *
     * @param string $path file path
     *
     * @return string
     * @author Naoki Sawada
     **/
    protected function _path($path)
    {
        $path = $this->_normpath(substr($path, strlen($this->root)));

return $path;
    }

/**
     * Return true if $path is children of $parent.
     *
     * @param string $path   path to check
     * @param string $parent parent path
     *
     * @return bool
     * @author Naoki Sawada
     **/
    protected function _inpath($path, $parent)
    {
        return $path == $parent || strpos($path, $parent . '/') === 0;
    }

/***************** file stat ********************/
    /**
     * Return stat for given path.
     * Stat contains following fields:
     * - (int)    size    file size in b. required
     * - (int)    ts      file modification time in unix time. required
     * - (string) mime    mimetype. required for folders, others - optionally
     * - (bool)   read    read permissions. required
     * - (bool)   write   write permissions. required
     * - (bool)   locked  is object locked. optionally
     * - (bool)   hidden  is object hidden. optionally
     * - (string) alias   for symlinks - link target path relative to root path. optionally
     * - (string) target  for symlinks - link target path. optionally.
     * If file does not exists - returns empty array or false.
     *
     * @param string $path file path
     *
     * @return array|false
     * @author Dmitry (dio) Levashov
     **/
    protected function _stat($path)
    {
        if ($raw = $this->_db_getFile($path)) {
            return $this->_db_parseRaw($raw);
        }

return false;
    }

/**
     * Return true if path is dir and has at least one childs directory.
     *
     * @param string $path dir path
     *
     * @return bool
     * @author Naoki Sawada
     **/
    protected function _subdirs($path)
    {
        $hasdir = false;

try {
            $res = $this->service->listFolder($path);
            if ($res) {
                $items = $res->getItems();
                foreach ($items as $raw) {
                    if ($raw instanceof FolderMetadata) {
                        $hasdir = true;
                        break;
                    }
                }
            }
        } catch (DropboxClientException $e) {
            $this->setError('Dropbox error: ' . $e->getMessage());
        }

return $hasdir;
    }

/**
     * Return object width and height
     * Ususaly used for images, but can be realize for video etc...
     *
     * @param string $path file path
     * @param string $mime file mime type
     *
     * @return string
     * @throws ImagickException
     * @throws elFinderAbortException
     * @author Naoki Sawada
     */
    protected function _dimensions($path, $mime)
    {
        if (strpos($mime, 'image') !== 0) {
            return '';
        }
        $ret = '';

if ($data = $this->_getContents($path)) {
            $tmp = $this->getTempFile();
            file_put_contents($tmp, $data);
            $size = getimagesize($tmp);
            if ($size) {
                $ret = array('dim' => $size[0] . 'x' . $size[1]);
                $srcfp = fopen($tmp, 'rb');
                $target = isset(elFinder::$currentArgs['target'])? elFinder::$currentArgs['target'] : '';
                if ($subImgLink = $this->getSubstituteImgLink($target, $size, $srcfp)) {
                    $ret['url'] = $subImgLink;
                }
            }
        }

return $ret;
    }

/******************** file/dir content *********************/

/**
     * Return files list in directory.
     *
     * @param string $path dir path
     *
     * @return array
     * @author Naoki Sawada
     **/
    protected function _scandir($path)
    {
        return isset($this->dirsCache[$path])
            ? $this->dirsCache[$path]
            : $this->cacheDir($path);
    }

/**
     * Open file and return file pointer.
     *
     * @param string $path  file path
     * @param bool   $write open file for writing
     *
     * @return resource|false
     * @author Naoki Sawada
     **/
    protected function _fopen($path, $mode = 'rb')
    {
        if ($mode === 'rb' || $mode === 'r') {
            if ($link = $this->service->getTemporaryLink($path)) {
                $access_token = $this->service->getAccessToken();
                if ($access_token) {
                    $data = array(
                        'target' => $link->getLink(),
                        'headers' => array('Authorization: Bearer ' . $access_token),
                    );

// to support range request
                    if (func_num_args() > 2) {
                        $opts = func_get_arg(2);
                    } else {
                        $opts = array();
                    }
                    if (!empty($opts['httpheaders'])) {
                        $data['headers'] = array_merge($opts['httpheaders'], $data['headers']);
                    }

return elFinder::getStreamByUrl($data);
                }
            }
        }

return false;
    }

/**
     * Close opened file.
     *
     * @param resource $fp file pointer
     *
     * @return bool
     * @author Naoki Sawada
     **/
    protected function _fclose($fp, $path = '')
    {
        is_resource($fp) && fclose($fp);
    }

/********************  file/dir manipulations *************************/

/**
     * Create dir and return created dir path or false on failed.
     *
     * @param string $path parent dir path
     * @param string $name new directory name
     *
     * @return string|bool
     * @author Naoki Sawada
     **/
    protected function _mkdir($path, $name)
    {
        try {
            return $this->service->createFolder($this->_db_joinName($path, $name))->getPathLower();
        } catch (DropboxClientException $e) {
            return $this->setError('Dropbox error: ' . $e->getMessage());
        }
    }

/**
     * Create file and return it's path or false on failed.
     *
     * @param string $path parent dir path
     * @param string $name new file name
     *
     * @return string|bool
     * @author Naoki Sawada
     **/
    protected function _mkfile($path, $name)
    {
        return $this->_save($this->tmpfile(), $path, $name, []);
    }

/**
     * Create symlink. FTP driver does not support symlinks.
     *
     * @param string $target link target
     * @param string $path   symlink path
     *
     * @return bool
     * @author Naoki Sawada
     **/
    protected function _symlink($target, $path, $name)
    {
        return false;
    }

/**
     * Copy file into another file.
     *
     * @param string $source    source file path
     * @param string $targetDir target directory path
     * @param string $name      new file name
     *
     * @return bool
     * @author Naoki Sawada
     **/
    protected function _copy($source, $targetDir, $name)
    {
        try {
            $this->service->copy($source, $this->_db_joinName($targetDir, $name))->getPathLower();
        } catch (DropboxClientException $e) {
            return $this->setError('Dropbox error: ' . $e->getMessage());
        }

return true;
    }

/**
     * Move file into another parent dir.
     * Return new file path or false.
     *
     * @param string $source source file path
     * @param string $target target dir path
     * @param string $name   file name
     *
     * @return string|bool
     * @author Naoki Sawada
     **/
    protected function _move($source, $targetDir, $name)
    {
        try {
            return $this->service->move($source, $this->_db_joinName($targetDir, $name))->getPathLower();
        } catch (DropboxClientException $e) {
            return $this->setError('Dropbox error: ' . $e->getMessage());
        }
    }

/**
     * Remove file.
     *
     * @param string $path file path
     *
     * @return bool
     * @author Naoki Sawada
     **/
    protected function _unlink($path)
    {
        try {
            $this->service->delete($path);

return true;
        } catch (DropboxClientException $e) {
            return $this->setError('Dropbox error: ' . $e->getMessage());
        }

return true;
    }

/**
     * Remove dir.
     *
     * @param string $path dir path
     *
     * @return bool
     * @author Naoki Sawada
     **/
    protected function _rmdir($path)
    {
        return $this->_unlink($path);
    }

/**
     * Create new file and write into it from file pointer.
     * Return new file path or false on error.
     *
     * @param resource $fp   file pointer
     * @param string   $dir  target dir path
     * @param string   $name file name
     * @param array    $stat file stat (required by some virtual fs)
     *
     * @return bool|string
     * @author Naoki Sawada
     **/
    protected function _save($fp, $path, $name, $stat)
    {
        try {
            $info = stream_get_meta_data($fp);
            if (empty($info['uri']) || preg_match('#^[a-z0-9.-]+://#', $info['uri'])) {
                if ($filepath = $this->getTempFile()) {
                    $_fp = fopen($filepath, 'wb');
                    stream_copy_to_stream($fp, $_fp);
                    fclose($_fp);
                }
            } else {
                $filepath = $info['uri'];
            }
            $dropboxFile = new DropboxFile($filepath);
            if ($name === '') {
                $fullpath = $path;
            } else {
                $fullpath = $this->_db_joinName($path, $name);
            }

return $this->service->upload($dropboxFile, $fullpath, ['mode' => 'overwrite'])->getPathLower();
        } catch (DropboxClientException $e) {
            return $this->setError('Dropbox error: ' . $e->getMessage());
        }
    }

/**
     * Get file contents.
     *
     * @param string $path file path
     *
     * @return string|false
     * @author Naoki Sawada
     **/
    protected function _getContents($path)
    {
        $contents = '';

try {
            $file = $this->service->download($path);
            $contents = $file->getContents();
        } catch (Exception $e) {
            return $this->setError('Dropbox error: ' . $e->getMessage());
        }

return $contents;
    }

/**
     * Write a string to a file.
     *
     * @param string $path    file path
     * @param string $content new file content
     *
     * @return bool
     * @author Naoki Sawada
     **/
    protected function _filePutContents($path, $content)
    {
        $res = false;

if ($local = $this->getTempFile($path)) {
            if (file_put_contents($local, $content, LOCK_EX) !== false
                && ($fp = fopen($local, 'rb'))) {
                clearstatcache();
                $name = '';
                $stat = $this->stat($path);
                if ($stat) {
                    // keep real name
                    $path = $this->_dirname($path);
                    $name = $stat['name'];
                }
                $res = $this->_save($fp, $path, $name, []);
                fclose($fp);
            }
            file_exists($local) && unlink($local);
        }

return $res;
    }

/**
     * Detect available archivers.
     **/
    protected function _checkArchivers()
    {
        // die('Not yet implemented. (_checkArchivers)');
        return [];
    }

/**
     * chmod implementation.
     *
     * @return bool
     **/
    protected function _chmod($path, $mode)
    {
        return false;
    }

/**
     * Unpack archive.
     *
     * @param string $path archive path
     * @param array  $arc  archiver command and arguments (same as in $this->archivers)
     *
     * @return true
     * @author Dmitry (dio) Levashov
     * @author Alexey Sukhotin
     **/
    protected function _unpack($path, $arc)
    {
        die('Not yet implemented. (_unpack)');
        //return false;
    }

/**
     * Recursive symlinks search.
     *
     * @param string $path file/dir path
     *
     * @return bool
     * @author Dmitry (dio) Levashov
     **/
    protected function _findSymlinks($path)
    {
        die('Not yet implemented. (_findSymlinks)');
    }

/**
     * Extract files from archive.
     *
     * @param string $path archive path
     * @param array  $arc  archiver command and arguments (same as in $this->archivers)
     *
     * @return true
     * @author Dmitry (dio) Levashov,
     * @author Alexey Sukhotin
     **/
    protected function _extract($path, $arc)
    {
        die('Not yet implemented. (_extract)');
    }

/**
     * Create archive and return its path.
     *
     * @param string $dir   target dir
     * @param array  $files files names list
     * @param string $name  archive name
     * @param array  $arc   archiver options
     *
     * @return string|bool
     * @author Dmitry (dio) Levashov,
     * @author Alexey Sukhotin
     **/
    protected function _archive($dir, $files, $name, $arc)
    {
        die('Not yet implemented. (_archive)');
    }
} // END class

GOLDEN HOUR

Edit: elFinderVolumeDropbox2.class.php

TERMINAL