<?php

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/**

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* Simple elFinder driver for MySQL.

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*

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* @author Dmitry (dio) Levashov

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**/

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class elFinderVolumeMySQL extends elFinderVolumeDriver

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{

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/**

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* Driver id

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* Must be started from letter and contains [a-z0-9]

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* Used as part of volume id

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*

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* @var string

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**/

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protected $driverId = 'm';

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/**

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* Database object

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*

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* @var mysqli

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**/

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protected $db = null;

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/**

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* Tables to store files

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*

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* @var string

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**/

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protected $tbf = '';

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/**

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* Directory for tmp files

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* If not set driver will try to use tmbDir as tmpDir

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*

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* @var string

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**/

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protected $tmpPath = '';

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/**

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* Numbers of sql requests (for debug)

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*

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* @var int

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**/

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protected $sqlCnt = 0;

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/**

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* Last db error message

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*

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* @var string

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**/

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protected $dbError = '';

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/**

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* This root has parent id

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*

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* @var boolean

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*/

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protected $rootHasParent = false;

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/**

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* Constructor

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* Extend options with required fields

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*

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* @author Dmitry (dio) Levashov

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*/

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public function __construct()

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{

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$opts = array(

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'host' => 'localhost',

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'user' => '',

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'pass' => '',

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'db' => '',

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'port' => null,

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'socket' => null,

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'files_table' => 'elfinder_file',

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'tmbPath' => '',

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'tmpPath' => '',

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'rootCssClass' => 'elfinder-navbar-root-sql',

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'noSessionCache' => array('hasdirs'),

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'isLocalhost' => false

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);

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$this->options = array_merge($this->options, $opts);

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$this->options['mimeDetect'] = 'internal';

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}

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/*********************************************************************/

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/* INIT AND CONFIGURE */

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/*********************************************************************/

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/**

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* Prepare driver before mount volume.

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* Connect to db, check required tables and fetch root path

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*

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* @return bool

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* @author Dmitry (dio) Levashov

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**/

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protected function init()

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{

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if (!($this->options['host'] || $this->options['socket'])

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|| !$this->options['user']

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|| !$this->options['pass']

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|| !$this->options['db']

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|| !$this->options['path']

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|| !$this->options['files_table']) {

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return $this->setError('Required options "host", "socket", "user", "pass", "db", "path" or "files_table" are undefined.');

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}

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$err = null;

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if ($this->db = @new mysqli($this->options['host'], $this->options['user'], $this->options['pass'], $this->options['db'], $this->options['port'], $this->options['socket'])) {

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if ($this->db && $this->db->connect_error) {

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$err = $this->db->connect_error;

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}

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} else {

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$err = mysqli_connect_error();

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}

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if ($err) {

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return $this->setError(array('Unable to connect to MySQL server.', $err));

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}

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if (!$this->needOnline && empty($this->ARGS['init'])) {

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$this->db->close();

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$this->db = null;

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return true;

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}

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$this->db->set_charset('utf8');

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if ($res = $this->db->query('SHOW TABLES')) {

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while ($row = $res->fetch_array()) {

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if ($row[0] == $this->options['files_table']) {

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$this->tbf = $this->options['files_table'];

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break;

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}

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}

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}

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if (!$this->tbf) {

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return $this->setError('The specified database table cannot be found.');

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}

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$this->updateCache($this->options['path'], $this->_stat($this->options['path']));

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// enable command archive

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$this->options['useRemoteArchive'] = true;

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// check isLocalhost

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$this->isLocalhost = $this->options['isLocalhost'] || $this->options['host'] === 'localhost' || $this->options['host'] === '127.0.0.1' || $this->options['host'] === '::1';

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return true;

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}

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/**

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* Set tmp path

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*

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* @return void

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* @throws elFinderAbortException

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* @author Dmitry (dio) Levashov

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*/

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protected function configure()

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{

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parent::configure();

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if (($tmp = $this->options['tmpPath'])) {

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if (!file_exists($tmp)) {

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if (mkdir($tmp)) {

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chmod($tmp, $this->options['tmbPathMode']);

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}

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}

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$this->tmpPath = is_dir($tmp) && is_writable($tmp) ? $tmp : false;

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}

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

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$this->tmpPath = $tmp;

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}

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// fallback of $this->tmp

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if (!$this->tmpPath && $this->tmbPathWritable) {

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$this->tmpPath = $this->tmbPath;

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}

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$this->mimeDetect = 'internal';

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}

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/**

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* Close connection

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*

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* @return void

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* @author Dmitry (dio) Levashov

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**/

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public function umount()

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{

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$this->db && $this->db->close();

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}

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/**

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* Return debug info for client

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*

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* @return array

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* @author Dmitry (dio) Levashov

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**/

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public function debug()

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{

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$debug = parent::debug();

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$debug['sqlCount'] = $this->sqlCnt;

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if ($this->dbError) {

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$debug['dbError'] = $this->dbError;

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}

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return $debug;

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}

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/**

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* Perform sql query and return result.

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* Increase sqlCnt and save error if occured

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*

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* @param string $sql query

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*

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* @return bool|mysqli_result

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* @author Dmitry (dio) Levashov

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*/

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protected function query($sql)

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{

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$this->sqlCnt++;

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$res = $this->db->query($sql);

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if (!$res) {

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$this->dbError = $this->db->error;

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}

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return $res;

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}

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/**

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* Perform sql prepared statement and return result.

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* Increase sqlCnt and save error if occurred.

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*

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* @param mysqli_stmt $stmt

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* @return bool

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*/

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protected function execute($stmt)

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{

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$this->sqlCnt++;

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$res = $stmt->execute();

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if (!$res) {

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$this->dbError = $this->db->error;

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}

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return $res;

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}

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/**

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* Create empty object with required mimetype

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*

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* @param string $path parent dir path

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* @param string $name object name

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* @param string $mime mime type

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*

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* @return bool

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* @author Dmitry (dio) Levashov

[259] Fix | Delete

**/

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protected function make($path, $name, $mime)

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{

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$sql = 'INSERT INTO %s (`parent_id`, `name`, `size`, `mtime`, `mime`, `content`, `read`, `write`, `locked`, `hidden`, `width`, `height`) VALUES (\'%s\', \'%s\', 0, %d, \'%s\', \'\', \'%d\', \'%d\', \'%d\', \'%d\', 0, 0)';

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$sql = sprintf($sql, $this->tbf, $path, $this->db->real_escape_string($name), time(), $mime, $this->defaults['read'], $this->defaults['write'], $this->defaults['locked'], $this->defaults['hidden']);

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// echo $sql;

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return $this->query($sql) && $this->db->affected_rows > 0;

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}

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/*********************************************************************/

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/* FS API */

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/*********************************************************************/

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/**

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* Cache dir contents

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*

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* @param string $path dir path

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*

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* @return string

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* @author Dmitry Levashov

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**/

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protected function cacheDir($path)

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{

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$this->dirsCache[$path] = array();

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$sql = 'SELECT f.id, f.parent_id, f.name, f.size, f.mtime AS ts, f.mime, f.read, f.write, f.locked, f.hidden, f.width, f.height, IF(ch.id, 1, 0) AS dirs

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FROM ' . $this->tbf . ' AS f

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LEFT JOIN ' . $this->tbf . ' AS ch ON ch.parent_id=f.id AND ch.mime=\'directory\'

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WHERE f.parent_id=\'' . $path . '\'

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GROUP BY f.id, ch.id';

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$res = $this->query($sql);

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if ($res) {

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while ($row = $res->fetch_assoc()) {

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$id = $row['id'];

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if ($row['parent_id'] && $id != $this->root) {

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$row['phash'] = $this->encode($row['parent_id']);

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}

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if ($row['mime'] == 'directory') {

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unset($row['width']);

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unset($row['height']);

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$row['size'] = 0;

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} else {

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unset($row['dirs']);

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}

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unset($row['id']);

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unset($row['parent_id']);

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if (($stat = $this->updateCache($id, $row)) && empty($stat['hidden'])) {

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$this->dirsCache[$path][] = $id;

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}

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}

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}

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return $this->dirsCache[$path];

[317] Fix | Delete

}

[318] Fix | Delete

[319] Fix | Delete

/**

[320] Fix | Delete

* Return array of parents paths (ids)

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*

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* @param int $path file path (id)

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*

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* @return array

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* @author Dmitry (dio) Levashov

[326] Fix | Delete

**/

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protected function getParents($path)

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{

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$parents = array();

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while ($path) {

[332] Fix | Delete

if ($file = $this->stat($path)) {

[333] Fix | Delete

array_unshift($parents, $path);

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$path = isset($file['phash']) ? $this->decode($file['phash']) : false;

[335] Fix | Delete

}

[336] Fix | Delete

}

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[338] Fix | Delete

if (count($parents)) {

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array_pop($parents);

[340] Fix | Delete

}

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return $parents;

[342] Fix | Delete

}

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[344] Fix | Delete

/**

[345] Fix | Delete

* Return correct file path for LOAD_FILE method

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*

[347] Fix | Delete

* @param string $path file path (id)

[348] Fix | Delete

*

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* @return string

[350] Fix | Delete

* @author Troex Nevelin

[351] Fix | Delete

**/

[352] Fix | Delete

protected function loadFilePath($path)

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{

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$realPath = realpath($path);

[355] Fix | Delete

if (DIRECTORY_SEPARATOR == '\\') { // windows

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$realPath = str_replace('\\', '\\\\', $realPath);

[357] Fix | Delete

}

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return $this->db->real_escape_string($realPath);

[359] Fix | Delete

}

[360] Fix | Delete

[361] Fix | Delete

/**

[362] Fix | Delete

* Recursive files search

[363] Fix | Delete

*

[364] Fix | Delete

* @param string $path dir path

[365] Fix | Delete

* @param string $q search string

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* @param array $mimes

[367] Fix | Delete

*

[368] Fix | Delete

* @return array

[369] Fix | Delete

* @throws elFinderAbortException

[370] Fix | Delete

* @author Dmitry (dio) Levashov

[371] Fix | Delete

*/

[372] Fix | Delete

protected function doSearch($path, $q, $mimes)

[373] Fix | Delete

{

[374] Fix | Delete

if (!empty($this->doSearchCurrentQuery['matchMethod'])) {

[375] Fix | Delete

// has custom match method use elFinderVolumeDriver::doSearch()

[376] Fix | Delete

return parent::doSearch($path, $q, $mimes);

[377] Fix | Delete

}

[378] Fix | Delete

[379] Fix | Delete

$dirs = array();

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

[381] Fix | Delete

[382] Fix | Delete

if ($path != $this->root || $this->rootHasParent) {

[383] Fix | Delete

$dirs = $inpath = array(intval($path));

[384] Fix | Delete

while ($inpath) {

[385] Fix | Delete

$in = '(' . join(',', $inpath) . ')';

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$inpath = array();

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$sql = 'SELECT f.id FROM %s AS f WHERE f.parent_id IN ' . $in . ' AND `mime` = \'directory\'';

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$sql = sprintf($sql, $this->tbf);

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if ($res = $this->query($sql)) {

[390] Fix | Delete

$_dir = array();

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while ($dat = $res->fetch_assoc()) {

[392] Fix | Delete

$inpath[] = $dat['id'];

[393] Fix | Delete

}

[394] Fix | Delete

$dirs = array_merge($dirs, $inpath);

[395] Fix | Delete

}

[396] Fix | Delete

}

[397] Fix | Delete

}

[398] Fix | Delete

[399] Fix | Delete

$result = array();

[400] Fix | Delete

[401] Fix | Delete

if ($mimes) {

[402] Fix | Delete

$whrs = array();

[403] Fix | Delete

foreach ($mimes as $mime) {

[404] Fix | Delete

if (strpos($mime, '/') === false) {

[405] Fix | Delete

$whrs[] = sprintf('f.mime LIKE \'%s/%%\'', $this->db->real_escape_string($mime));

[406] Fix | Delete

} else {

[407] Fix | Delete

$whrs[] = sprintf('f.mime = \'%s\'', $this->db->real_escape_string($mime));

[408] Fix | Delete

}

[409] Fix | Delete

}

[410] Fix | Delete

$whr = join(' OR ', $whrs);

[411] Fix | Delete

} else {

[412] Fix | Delete

$whr = sprintf('f.name LIKE \'%%%s%%\'', $this->db->real_escape_string($q));

[413] Fix | Delete

}

[414] Fix | Delete

if ($dirs) {

[415] Fix | Delete

$whr = '(' . $whr . ') AND (`parent_id` IN (' . join(',', $dirs) . '))';

[416] Fix | Delete

}

[417] Fix | Delete

[418] Fix | Delete

$sql = 'SELECT f.id, f.parent_id, f.name, f.size, f.mtime AS ts, f.mime, f.read, f.write, f.locked, f.hidden, f.width, f.height, 0 AS dirs

[419] Fix | Delete

FROM %s AS f

[420] Fix | Delete

WHERE %s';

[421] Fix | Delete

[422] Fix | Delete

$sql = sprintf($sql, $this->tbf, $whr);

[423] Fix | Delete

[424] Fix | Delete

if (($res = $this->query($sql))) {

[425] Fix | Delete

while ($row = $res->fetch_assoc()) {

[426] Fix | Delete

if ($timeout && $timeout < time()) {

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$this->setError(elFinder::ERROR_SEARCH_TIMEOUT, $this->path($this->encode($path)));

[428] Fix | Delete

break;

[429] Fix | Delete

}

[430] Fix | Delete

[431] Fix | Delete

if (!$this->mimeAccepted($row['mime'], $mimes)) {

[432] Fix | Delete

continue;

[433] Fix | Delete

}

[434] Fix | Delete

$id = $row['id'];

[435] Fix | Delete

if ($id == $this->root) {

[436] Fix | Delete

continue;

[437] Fix | Delete

}

[438] Fix | Delete

if ($row['parent_id'] && $id != $this->root) {

[439] Fix | Delete

$row['phash'] = $this->encode($row['parent_id']);

[440] Fix | Delete

}

[441] Fix | Delete

$row['path'] = $this->_path($id);

[442] Fix | Delete

[443] Fix | Delete

if ($row['mime'] == 'directory') {

[444] Fix | Delete

unset($row['width']);

[445] Fix | Delete

unset($row['height']);

[446] Fix | Delete

} else {

[447] Fix | Delete

unset($row['dirs']);

[448] Fix | Delete

}

[449] Fix | Delete

[450] Fix | Delete

unset($row['id']);

[451] Fix | Delete

unset($row['parent_id']);

[452] Fix | Delete

[453] Fix | Delete

if (($stat = $this->updateCache($id, $row)) && empty($stat['hidden'])) {

[454] Fix | Delete

$result[] = $stat;

[455] Fix | Delete

}

[456] Fix | Delete

}

[457] Fix | Delete

}

[458] Fix | Delete

return $result;

[459] Fix | Delete

}

[460] Fix | Delete

[461] Fix | Delete

[462] Fix | Delete

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

[463] Fix | Delete

[464] Fix | Delete

/**

[465] Fix | Delete

* Return parent directory path

[466] Fix | Delete

*

[467] Fix | Delete

* @param string $path file path

[468] Fix | Delete

*

[469] Fix | Delete

* @return string

[470] Fix | Delete

* @author Dmitry (dio) Levashov

[471] Fix | Delete

**/

[472] Fix | Delete

protected function _dirname($path)

[473] Fix | Delete

{

[474] Fix | Delete

return ($stat = $this->stat($path)) ? (!empty($stat['phash']) ? $this->decode($stat['phash']) : $this->root) : false;

[475] Fix | Delete

}

[476] Fix | Delete

[477] Fix | Delete

/**

[478] Fix | Delete

* Return file name

[479] Fix | Delete

*

[480] Fix | Delete

* @param string $path file path

[481] Fix | Delete

*

[482] Fix | Delete

* @return string

[483] Fix | Delete

* @author Dmitry (dio) Levashov

[484] Fix | Delete

**/

[485] Fix | Delete

protected function _basename($path)

[486] Fix | Delete

{

[487] Fix | Delete

return (($stat = $this->stat($path)) && isset($stat['name'])) ? $stat['name'] : false;

[488] Fix | Delete

}

[489] Fix | Delete

[490] Fix | Delete

/**

[491] Fix | Delete

* Join dir name and file name and return full path

[492] Fix | Delete

*

[493] Fix | Delete

* @param string $dir

[494] Fix | Delete

* @param string $name

[495] Fix | Delete

*

[496] Fix | Delete

* @return string

[497] Fix | Delete

* @author Dmitry (dio) Levashov

[498] Fix | Delete

**/

[499] Fix | Delete