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AVE.CMS v3.28
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ave-cms/lib/redactor/elfinder/php/elFinderVolumeMySQL.class.php

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<?php
/**
* Simple elFinder driver for MySQL.
*
* @author Dmitry (dio) Levashov
**/
class elFinderVolumeMySQL extends elFinderVolumeDriver {
/**
* Driver id
* Must be started from letter and contains [a-z0-9]
* Used as part of volume id
*
* @var string
**/
protected $driverId = 'm';
/**
* Database object
*
* @var mysqli
**/
protected $db = null;
/**
* Tables to store files
*
* @var string
**/
protected $tbf = '';
/**
* Directory for tmp files
* If not set driver will try to use tmbDir as tmpDir
*
* @var string
**/
protected $tmpPath = '';
/**
* Numbers of sql requests (for debug)
*
* @var int
**/
protected $sqlCnt = 0;
/**
* Last db error message
*
* @var string
**/
protected $dbError = '';
/**
* Constructor
* Extend options with required fields
*
* @author Dmitry (dio) Levashov
*/
public function __construct() {
$opts = array(
'host' => 'localhost',
'user' => '',
'pass' => '',
'db' => '',
'port' => null,
'socket' => null,
'files_table' => 'elfinder_file',
'tmbPath' => '',
'tmpPath' => '',
'rootCssClass' => 'elfinder-navbar-root-sql',
'noSessionCache' => array('hasdirs')
);
$this->options = array_merge($this->options, $opts);
$this->options['mimeDetect'] = 'internal';
}
/*********************************************************************/
/* INIT AND CONFIGURE */
/*********************************************************************/
/**
* Prepare driver before mount volume.
* Connect to db, check required tables and fetch root path
*
* @return bool
* @author Dmitry (dio) Levashov
**/
protected function init() {
if (!($this->options['host'] || $this->options['socket'])
|| !$this->options['user']
|| !$this->options['pass']
|| !$this->options['db']
|| !$this->options['path']
|| !$this->options['files_table']) {
return false;
}
$this->db = new mysqli($this->options['host'], $this->options['user'], $this->options['pass'], $this->options['db'], $this->options['port'], $this->options['socket']);
if ($this->db->connect_error || mysqli_connect_error()) {
return false;
}
$this->db->set_charset('utf8');
if ($res = $this->db->query('SHOW TABLES')) {
while ($row = $res->fetch_array()) {
if ($row[0] == $this->options['files_table']) {
$this->tbf = $this->options['files_table'];
break;
}
}
}
if (!$this->tbf) {
return false;
}
$this->updateCache($this->options['path'], $this->_stat($this->options['path']));
return true;
}
/**
* Set tmp path
*
* @return void
* @author Dmitry (dio) Levashov
**/
protected function configure() {
parent::configure();
if (($tmp = $this->options['tmpPath'])) {
if (!file_exists($tmp)) {
if (mkdir($tmp)) {
chmod($tmp, $this->options['tmbPathMode']);
}
}
$this->tmpPath = is_dir($tmp) && is_writable($tmp) ? $tmp : false;
}
if (!$this->tmpPath && ($tmp = elFinder::getStaticVar('commonTempPath'))) {
$this->tmpPath = $tmp;
}
// fallback of $this->tmp
if (!$this->tmpPath && $this->tmbPathWritable) {
$this->tmpPath = $this->tmbPath;
}
$this->mimeDetect = 'internal';
}
/**
* Close connection
*
* @return void
* @author Dmitry (dio) Levashov
**/
public function umount() {
$this->db->close();
}
/**
* Return debug info for client
*
* @return array
* @author Dmitry (dio) Levashov
**/
public function debug() {
$debug = parent::debug();
$debug['sqlCount'] = $this->sqlCnt;
if ($this->dbError) {
$debug['dbError'] = $this->dbError;
}
return $debug;
}
/**
* Perform sql query and return result.
* Increase sqlCnt and save error if occured
*
* @param string $sql query
* @return misc
* @author Dmitry (dio) Levashov
**/
protected function query($sql) {
$this->sqlCnt++;
$res = $this->db->query($sql);
if (!$res) {
$this->dbError = $this->db->error;
}
return $res;
}
/**
* Create empty object with required mimetype
*
* @param string $path parent dir path
* @param string $name object name
* @param string $mime mime type
* @return bool
* @author Dmitry (dio) Levashov
**/
protected function make($path, $name, $mime) {
$sql = 'INSERT INTO %s (`parent_id`, `name`, `size`, `mtime`, `mime`, `content`, `read`, `write`) VALUES (\'%s\', \'%s\', 0, %d, \'%s\', \'\', \'%d\', \'%d\')';
$sql = sprintf($sql, $this->tbf, $path, $this->db->real_escape_string($name), time(), $mime, $this->defaults['read'], $this->defaults['write']);
// echo $sql;
return $this->query($sql) && $this->db->affected_rows > 0;
}
/*********************************************************************/
/* FS API */
/*********************************************************************/
/**
* Cache dir contents
*
* @param string $path dir path
* @return string
* @author Dmitry Levashov
**/
protected function cacheDir($path) {
$this->dirsCache[$path] = array();
$sql = 'SELECT f.id, f.parent_id, f.name, f.size, f.mtime AS ts, f.mime, f.read, f.write, f.locked, f.hidden, f.width, f.height, IF(ch.id, 1, 0) AS dirs
FROM '.$this->tbf.' AS f
LEFT JOIN '.$this->tbf.' AS ch ON ch.parent_id=f.id AND ch.mime=\'directory\'
WHERE f.parent_id=\''.$path.'\'
GROUP BY f.id';
$res = $this->query($sql);
if ($res) {
while ($row = $res->fetch_assoc()) {
$id = $row['id'];
if ($row['parent_id']) {
$row['phash'] = $this->encode($row['parent_id']);
}
if ($row['mime'] == 'directory') {
unset($row['width']);
unset($row['height']);
$row['size'] = 0;
} else {
unset($row['dirs']);
}
unset($row['id']);
unset($row['parent_id']);
if (($stat = $this->updateCache($id, $row)) && empty($stat['hidden'])) {
$this->dirsCache[$path][] = $id;
}
}
}
return $this->dirsCache[$path];
}
/**
* Return array of parents paths (ids)
*
* @param int $path file path (id)
* @return array
* @author Dmitry (dio) Levashov
**/
protected function getParents($path) {
$parents = array();
while ($path) {
if ($file = $this->stat($path)) {
array_unshift($parents, $path);
$path = isset($file['phash']) ? $this->decode($file['phash']) : false;
}
}
if (count($parents)) {
array_pop($parents);
}
return $parents;
}
/**
* Return correct file path for LOAD_FILE method
*
* @param string $path file path (id)
* @return string
* @author Troex Nevelin
**/
protected function loadFilePath($path) {
$realPath = realpath($path);
if (DIRECTORY_SEPARATOR == '\\') { // windows
$realPath = str_replace('\\', '\\\\', $realPath);
}
return $this->db->real_escape_string($realPath);
}
/**
* Recursive files search
*
* @param string $path dir path
* @param string $q search string
* @param array $mimes
* @return array
* @author Dmitry (dio) Levashov
**/
protected function doSearch($path, $q, $mimes) {
$dirs = array();
$timeout = $this->options['searchTimeout']? $this->searchStart + $this->options['searchTimeout'] : 0;
if ($path != $this->root) {
$dirs = $inpath = array(intval($path));
while($inpath) {
$in = '('.join(',', $inpath).')';
$inpath = array();
$sql = 'SELECT f.id FROM %s AS f WHERE f.parent_id IN '.$in.' AND `mime` = \'directory\'';
$sql = sprintf($sql, $this->tbf);
if ($res = $this->query($sql)) {
$_dir = array();
while ($dat = $res->fetch_assoc()) {
$inpath[] = $dat['id'];
}
$dirs = array_merge($dirs, $inpath);
}
}
}
$result = array();
if ($mimes) {
$whrs = array();
foreach($mimes as $mime) {
if (strpos($mime, '/') === false) {
$whrs[] = sprintf('f.mime LIKE \'%s/%%\'', $this->db->real_escape_string($mime));
} else {
$whrs[] = sprintf('f.mime = \'%s\'', $this->db->real_escape_string($mime));
}
}
$whr = join(' OR ', $whrs);
} else {
$whr = sprintf('f.name RLIKE \'%s\'', $this->db->real_escape_string($q));
}
if ($dirs) {
$whr = '(' . $whr . ') AND (`parent_id` IN (' . join(',', $dirs) . '))';
}
$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
FROM %s AS f
WHERE %s';
$sql = sprintf($sql, $this->tbf, $whr);
if (($res = $this->query($sql))) {
while ($row = $res->fetch_assoc()) {
if ($timeout && $timeout < time()) {
$this->setError(elFinder::ERROR_SEARCH_TIMEOUT, $this->path($this->encode($path)));
break;
}
if (!$this->mimeAccepted($row['mime'], $mimes)) {
continue;
}
$id = $row['id'];
if ($row['parent_id']) {
$row['phash'] = $this->encode($row['parent_id']);
}
$row['path'] = $this->_path($id);
if ($row['mime'] == 'directory') {
unset($row['width']);
unset($row['height']);
} else {
unset($row['dirs']);
}
unset($row['id']);
unset($row['parent_id']);
if (($stat = $this->updateCache($id, $row)) && empty($stat['hidden'])) {
$result[] = $stat;
}
}
}
return $result;
}
/*********************** paths/urls *************************/
/**
* Return parent directory path
*
* @param string $path file path
* @return string
* @author Dmitry (dio) Levashov
**/
protected function _dirname($path) {
return ($stat = $this->stat($path)) ? (!empty($stat['phash']) ? $this->decode($stat['phash']) : $this->root) : false;
}
/**
* Return file name
*
* @param string $path file path
* @return string
* @author Dmitry (dio) Levashov
**/
protected function _basename($path) {
return ($stat = $this->stat($path)) ? $stat['name'] : false;
}
/**
* Join dir name and file name and return full path
*
* @param string $dir
* @param string $name
* @return string
* @author Dmitry (dio) Levashov
**/
protected function _joinPath($dir, $name) {
$sql = 'SELECT id FROM '.$this->tbf.' WHERE parent_id=\''.$dir.'\' AND name=\''.$this->db->real_escape_string($name).'\'';
if (($res = $this->query($sql)) && ($r = $res->fetch_assoc())) {
$this->updateCache($r['id'], $this->_stat($r['id']));
return $r['id'];
}
return -1;
}
/**
* Return normalized path, this works the same as os.path.normpath() in Python
*
* @param string $path path
* @return string
* @author Troex Nevelin
**/
protected function _normpath($path) {
return $path;
}
/**
* Return file path related to root dir
*
* @param string $path file path
* @return string
* @author Dmitry (dio) Levashov
**/
protected function _relpath($path) {
return $path;
}
/**
* Convert path related to root dir into real path
*
* @param string $path file path
* @return string
* @author Dmitry (dio) Levashov
**/
protected function _abspath($path) {
return $path;
}
/**
* Return fake path started from root dir
*
* @param string $path file path
* @return string
* @author Dmitry (dio) Levashov
**/
protected function _path($path) {
if (($file = $this->stat($path)) == false) {
return '';
}
$parentsIds = $this->getParents($path);
$path = '';
foreach ($parentsIds as $id) {
$dir = $this->stat($id);
$path .= $dir['name'].$this->separator;
}
return $path.$file['name'];
}
/**
* Return true if $path is children of $parent
*
* @param string $path path to check
* @param string $parent parent path
* @return bool
* @author Dmitry (dio) Levashov
**/
protected function _inpath($path, $parent) {
return $path == $parent
? true
: in_array($parent, $this->getParents($path));
}
/***************** 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) {
$sql = 'SELECT f.id, f.parent_id, f.name, f.size, f.mtime AS ts, f.mime, f.read, f.write, f.locked, f.hidden, f.width, f.height, IF(ch.id, 1, 0) AS dirs
FROM '.$this->tbf.' AS f
LEFT JOIN '.$this->tbf.' AS p ON p.id=f.parent_id
LEFT JOIN '.$this->tbf.' AS ch ON ch.parent_id=f.id AND ch.mime=\'directory\'
WHERE f.id=\''.$path.'\'
GROUP BY f.id';
$res = $this->query($sql);
if ($res) {
$stat = $res->fetch_assoc();
if ($stat['parent_id']) {
$stat['phash'] = $this->encode($stat['parent_id']);
}
if ($stat['mime'] == 'directory') {
unset($stat['width']);
unset($stat['height']);
$stat['size'] = 0;
} else {
if (!$stat['mime']) {
unset($stat['mime']);
}
unset($stat['dirs']);
}
unset($stat['id']);
unset($stat['parent_id']);
return $stat;
}
return array();
}
/**
* Return true if path is dir and has at least one childs directory
*
* @param string $path dir path
* @return bool
* @author Dmitry (dio) Levashov
**/
protected function _subdirs($path) {
return ($stat = $this->stat($path)) && isset($stat['dirs']) ? $stat['dirs'] : false;
}
/**
* Return object width and height
* Usualy used for images, but can be realize for video etc...
*
* @param string $path file path
* @param string $mime file mime type
* @return string
* @author Dmitry (dio) Levashov
**/
protected function _dimensions($path, $mime) {
return ($stat = $this->stat($path)) && isset($stat['width']) && isset($stat['height']) ? $stat['width'].'x'.$stat['height'] : '';
}
/******************** file/dir content *********************/
/**
* Return files list in directory.
*
* @param string $path dir path
* @return array
* @author Dmitry (dio) Levashov
**/
protected function _scandir($path) {
return isset($this->dirsCache[$path])
? $this->dirsCache[$path]
: $this->cacheDir($path);
}
/**
* Open file and return file pointer
*
* @param string $path file path
* @param string $mode open file mode (ignored in this driver)
* @return resource|false
* @author Dmitry (dio) Levashov
**/
protected function _fopen($path, $mode='rb') {
$fp = $this->tmbPath
? fopen($this->getTempFile($path), 'w+')
: tmpfile();
if ($fp) {
if (($res = $this->query('SELECT content FROM '.$this->tbf.' WHERE id=\''.$path.'\''))
&& ($r = $res->fetch_assoc())) {
fwrite($fp, $r['content']);
rewind($fp);
return $fp;
} else {
$this->_fclose($fp, $path);
}
}
return false;
}
/**
* Close opened file
*
* @param resource $fp file pointer
* @param string $path
* @return bool
* @author Dmitry (dio) Levashov
*/
protected function _fclose($fp, $path='') {
fclose($fp);
if ($path) {
unlink($this->getTempFile($path));
}
}
/******************** file/dir manipulations *************************/
/**
* Create dir and return created dir path or false on failed
*
* @param string $path parent dir path
* @param string $name new directory name
* @return string|bool
* @author Dmitry (dio) Levashov
**/
protected function _mkdir($path, $name) {
return $this->make($path, $name, 'directory') ? $this->_joinPath($path, $name) : false;
}
/**
* Create file and return it's path or false on failed
*
* @param string $path parent dir path
* @param string $name new file name
* @return string|bool
* @author Dmitry (dio) Levashov
**/
protected function _mkfile($path, $name) {
return $this->make($path, $name, '') ? $this->_joinPath($path, $name) : false;
}
/**
* Create symlink. FTP driver does not support symlinks.
*
* @param string $target link target
* @param string $path symlink path
* @param string $name
* @return bool
* @author Dmitry (dio) Levashov
*/
protected function _symlink($target, $path, $name) {
return false;
}
/**
* Copy file into another file
*
* @param string $source source file path
* @param string $targetDir target directory path
* @param string $name new file name
* @return bool
* @author Dmitry (dio) Levashov
**/
protected function _copy($source, $targetDir, $name) {
$this->clearcache();
$id = $this->_joinPath($targetDir, $name);
$sql = $id > 0
? sprintf('REPLACE INTO %s (id, parent_id, name, content, size, mtime, mime, width, height, `read`, `write`, `locked`, `hidden`) (SELECT %d, %d, name, content, size, mtime, mime, width, height, `read`, `write`, `locked`, `hidden` FROM %s WHERE id=%d)', $this->tbf, $id, $this->_dirname($id), $this->tbf, $source)
: sprintf('INSERT INTO %s (parent_id, name, content, size, mtime, mime, width, height, `read`, `write`, `locked`, `hidden`) SELECT %d, \'%s\', content, size, %d, mime, width, height, `read`, `write`, `locked`, `hidden` FROM %s WHERE id=%d', $this->tbf, $targetDir, $this->db->real_escape_string($name), time(), $this->tbf, $source);
return $this->query($sql);
}
/**
* Move file into another parent dir.
* Return new file path or false.
*
* @param string $source source file path
* @param $targetDir
* @param string $name file name
* @return bool|string
* @internal param string $target target dir path
* @author Dmitry (dio) Levashov
*/
protected function _move($source, $targetDir, $name) {
$sql = 'UPDATE %s SET parent_id=%d, name=\'%s\' WHERE id=%d LIMIT 1';
$sql = sprintf($sql, $this->tbf, $targetDir, $this->db->real_escape_string($name), $source);
return $this->query($sql) && $this->db->affected_rows > 0 ? $source : false;
}
/**
* Remove file
*
* @param string $path file path
* @return bool
* @author Dmitry (dio) Levashov
**/
protected function _unlink($path) {
return $this->query(sprintf('DELETE FROM %s WHERE id=%d AND mime!=\'directory\' LIMIT 1', $this->tbf, $path)) && $this->db->affected_rows;
}
/**
* Remove dir
*
* @param string $path dir path
* @return bool
* @author Dmitry (dio) Levashov
**/
protected function _rmdir($path) {
return $this->query(sprintf('DELETE FROM %s WHERE id=%d AND mime=\'directory\' LIMIT 1', $this->tbf, $path)) && $this->db->affected_rows;
}
/**
* undocumented function
*
* @param $path
* @param $fp
* @author Dmitry Levashov
*/
protected function _setContent($path, $fp) {
elFinder::rewind($fp);
$fstat = fstat($fp);
$size = $fstat['size'];
}
/**
* 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 $stat file stat (required by some virtual fs)
* @return bool|string
* @author Dmitry (dio) Levashov
**/
protected function _save($fp, $dir, $name, $stat) {
$this->clearcache();
$mime = $stat['mime'];
$w = !empty($stat['width']) ? $stat['width'] : 0;
$h = !empty($stat['height']) ? $stat['height'] : 0;
$id = $this->_joinPath($dir, $name);
elFinder::rewind($fp);
$stat = fstat($fp);
$size = $stat['size'];
if (($tmpfile = tempnam($this->tmpPath, $this->id))) {
if (($trgfp = fopen($tmpfile, 'wb')) == false) {
unlink($tmpfile);
} else {
while (!feof($fp)) {
fwrite($trgfp, fread($fp, 8192));
}
fclose($trgfp);
chmod($tmpfile, 0644);
$sql = $id > 0
? 'REPLACE INTO %s (id, parent_id, name, content, size, mtime, mime, width, height) VALUES ('.$id.', %d, \'%s\', LOAD_FILE(\'%s\'), %d, %d, \'%s\', %d, %d)'
: 'INSERT INTO %s (parent_id, name, content, size, mtime, mime, width, height) VALUES (%d, \'%s\', LOAD_FILE(\'%s\'), %d, %d, \'%s\', %d, %d)';
$sql = sprintf($sql, $this->tbf, $dir, $this->db->real_escape_string($name), $this->loadFilePath($tmpfile), $size, time(), $mime, $w, $h);
$res = $this->query($sql);
unlink($tmpfile);
if ($res) {
return $id > 0 ? $id : $this->db->insert_id;
}
}
}
$content = '';
elFinder::rewind($fp);
while (!feof($fp)) {
$content .= fread($fp, 8192);
}
$sql = $id > 0
? 'REPLACE INTO %s (id, parent_id, name, content, size, mtime, mime, width, height) VALUES ('.$id.', %d, \'%s\', \'%s\', %d, %d, \'%s\', %d, %d)'
: 'INSERT INTO %s (parent_id, name, content, size, mtime, mime, width, height) VALUES (%d, \'%s\', \'%s\', %d, %d, \'%s\', %d, %d)';
$sql = sprintf($sql, $this->tbf, $dir, $this->db->real_escape_string($name), $this->db->real_escape_string($content), $size, time(), $mime, $w, $h);
unset($content);
if ($this->query($sql)) {
return $id > 0 ? $id : $this->db->insert_id;
}
return false;
}
/**
* Get file contents
*
* @param string $path file path
* @return string|false
* @author Dmitry (dio) Levashov
**/
protected function _getContents($path) {
return ($res = $this->query(sprintf('SELECT content FROM %s WHERE id=%d', $this->tbf, $path))) && ($r = $res->fetch_assoc()) ? $r['content'] : false;
}
/**
* Write a string to a file
*
* @param string $path file path
* @param string $content new file content
* @return bool
* @author Dmitry (dio) Levashov
**/
protected function _filePutContents($path, $content) {
return $this->query(sprintf('UPDATE %s SET content=\'%s\', size=%d, mtime=%d WHERE id=%d LIMIT 1', $this->tbf, $this->db->real_escape_string($content), strlen($content), time(), $path));
}
/**
* Detect available archivers
*
* @return void
**/
protected function _checkArchivers() {
return;
}
/**
* chmod implementation
*
* @param string $path
* @param string $mode
* @return bool
*/
protected function _chmod($path, $mode) {
return false;
}
/**
* Unpack archive
*
* @param string $path archive path
* @param array $arc archiver command and arguments (same as in $this->archivers)
* @return void
* @author Dmitry (dio) Levashov
* @author Alexey Sukhotin
**/
protected function _unpack($path, $arc) {
return;
}
/**
* Recursive symlinks search
*
* @param string $path file/dir path
* @return bool
* @author Dmitry (dio) Levashov
**/
protected function _findSymlinks($path) {
return false;
}
/**
* 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) {
return false;
}
/**
* 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) {
return false;
}
} // END class