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Editing: elFinderVolumeDropbox.class.php
<?php elFinder::$netDrivers['dropbox'] = 'Dropbox'; /** * Simple elFinder driver for FTP * * @author Dmitry (dio) Levashov * @author Cem (discofever) **/ class elFinderVolumeDropbox extends elFinderVolumeDriver { /** * Driver id * Must be started from letter and contains [a-z0-9] * Used as part of volume id * * @var string **/ protected $driverId = 'd'; /** * OAuth object * * @var oauth **/ protected $oauth = null; /** * Dropbox object * * @var dropbox **/ protected $dropbox = null; /** * Directory for meta data caches * If not set driver not cache meta data * * @var string **/ protected $metaCache = ''; /** * Last API error message * * @var string **/ protected $apiError = ''; /** * Directory for tmp files * If not set driver will try to use tmbDir as tmpDir * * @var string **/ protected $tmp = ''; /** * Dropbox.com uid * * @var string **/ protected $dropboxUid = ''; /** * Dropbox download host, replaces 'www.dropbox.com' of shares URL * * @var string */ private $dropbox_dlhost = 'dl.dropboxusercontent.com'; private $dropbox_phpFound = false; private $DB_TableName = ''; private $tmbPrefix = ''; /** * Constructor * Extend options with required fields * * @author Dmitry (dio) Levashov * @author Cem (DiscoFever) */ public function __construct() { // check with composer $this->dropbox_phpFound = class_exists('Dropbox_API'); if (! $this->dropbox_phpFound) { // check with pear if (include_once 'Dropbox/autoload.php') { $this->dropbox_phpFound = in_array('Dropbox_autoload', spl_autoload_functions()); } } $opts = array( 'consumerKey' => '', 'consumerSecret' => '', 'accessToken' => '', 'accessTokenSecret' => '', 'dropboxUid' => '', 'root' => 'dropbox', 'path' => '/', 'separator' => '/', 'PDO_DSN' => '', // if empty use 'sqlite:(metaCachePath|tmbPath)/elFinder_dropbox_db_(hash:dropboxUid+consumerSecret)' 'PDO_User' => '', 'PDO_Pass' => '', 'PDO_Options' => array(), 'PDO_DBName' => 'dropbox', 'treeDeep' => 0, 'tmbPath' => '', 'tmbURL' => '', 'tmpPath' => '', 'getTmbSize' => 'large', // small: 32x32, medium or s: 64x64, large or m: 128x128, l: 640x480, xl: 1024x768 'metaCachePath' => '', 'metaCacheTime' => '600', // 10m 'acceptedName' => '#^[^/\\?*:|"<>]*[^./\\?*:|"<>]$#', 'rootCssClass' => 'elfinder-navbar-root-dropbox' ); $this->options = array_merge($this->options, $opts); $this->options['mimeDetect'] = 'internal'; } /** * Prepare * Call from elFinder::netmout() before volume->mount() * * @param $options * @return Array * @author Naoki Sawada */ public function netmountPrepare($options) { if (empty($options['consumerKey']) && defined('ELFINDER_DROPBOX_CONSUMERKEY')) $options['consumerKey'] = ELFINDER_DROPBOX_CONSUMERKEY; if (empty($options['consumerSecret']) && defined('ELFINDER_DROPBOX_CONSUMERSECRET')) $options['consumerSecret'] = ELFINDER_DROPBOX_CONSUMERSECRET; if ($options['user'] === 'init') { if (! $this->dropbox_phpFound || empty($options['consumerKey']) || empty($options['consumerSecret']) || !class_exists('PDO', false)) { return array('exit' => true, 'body' => '{msg:errNetMountNoDriver}'); } if (defined('ELFINDER_DROPBOX_USE_CURL_PUT')) { $this->oauth = new Dropbox_OAuth_Curl($options['consumerKey'], $options['consumerSecret']); } else { if (class_exists('OAuth', false)) { $this->oauth = new Dropbox_OAuth_PHP($options['consumerKey'], $options['consumerSecret']); } else { if (! class_exists('HTTP_OAuth_Consumer')) { // We're going to try to load in manually include 'HTTP/OAuth/Consumer.php'; } if (class_exists('HTTP_OAuth_Consumer', false)) { $this->oauth = new Dropbox_OAuth_PEAR($options['consumerKey'], $options['consumerSecret']); } } } if (! $this->oauth) { return array('exit' => true, 'body' => '{msg:errNetMountNoDriver}'); } if ($options['pass'] === 'init') { $html = ''; if ($sessionToken = $this->session->get('DropboxTokens')) { // token check try { list(, $accessToken, $accessTokenSecret) = $sessionToken; $this->oauth->setToken($accessToken, $accessTokenSecret); $this->dropbox = new Dropbox_API($this->oauth, $this->options['root']); $this->dropbox->getAccountInfo(); $script = '<script> $("#'.$options['id'].'").elfinder("instance").trigger("netmount", {protocol: "dropbox", mode: "done"}); </script>'; $html = $script; } catch (Dropbox_Exception $e) { $this->session->remove('DropboxTokens'); } } if (! $html) { // get customdata $cdata = ''; $innerKeys = array('cmd', 'host', 'options', 'pass', 'protocol', 'user'); $this->ARGS = $_SERVER['REQUEST_METHOD'] === 'POST'? $_POST : $_GET; foreach($this->ARGS as $k => $v) { if (! in_array($k, $innerKeys)) { $cdata .= '&' . $k . '=' . rawurlencode($v); } } if (strpos($options['url'], 'http') !== 0 ) { $options['url'] = elFinder::getConnectorUrl(); } $callback = $options['url'] . '?cmd=netmount&protocol=dropbox&host=dropbox.com&user=init&pass=return&node='.$options['id'].$cdata; try { $tokens = $this->oauth->getRequestToken(); $url= $this->oauth->getAuthorizeUrl(rawurlencode($callback)); } catch (Dropbox_Exception $e) { return array('exit' => true, 'body' => '{msg:errAccess}'); } $this->session->set('DropboxAuthTokens', $tokens); $html = '<input id="elf-volumedriver-dropbox-host-btn" class="ui-button ui-widget ui-state-default ui-corner-all ui-button-text-only" value="{msg:btnApprove}" type="button" onclick="window.open(\''.$url.'\')">'; $html .= '<script> $("#'.$options['id'].'").elfinder("instance").trigger("netmount", {protocol: "dropbox", mode: "makebtn"}); </script>'; } return array('exit' => true, 'body' => $html); } else { $this->oauth->setToken($this->session->get('DropboxAuthTokens')); $this->session->remove('DropboxAuthTokens'); $tokens = $this->oauth->getAccessToken(); $this->session->set('DropboxTokens', array($_GET['uid'], $tokens['token'], $tokens['token_secret'])); $out = array( 'node' => $_GET['node'], 'json' => '{"protocol": "dropbox", "mode": "done"}', 'bind' => 'netmount' ); return array('exit' => 'callback', 'out' => $out); } } if ($sessionToken = $this->session->get('DropboxTokens')) { list($options['dropboxUid'], $options['accessToken'], $options['accessTokenSecret']) = $sessionToken; } unset($options['user'], $options['pass']); return $options; } /** * process of on netunmount * Drop table `dropbox` & rm thumbs * * @param $netVolumes * @param $key * @return bool * @internal param array $options */ public function netunmount($netVolumes, $key) { $count = 0; $dropboxUid = ''; if (isset($netVolumes[$key])) { $dropboxUid = $netVolumes[$key]['dropboxUid']; } foreach($netVolumes as $volume) { if ($volume['host'] === 'dropbox' && $volume['dropboxUid'] === $dropboxUid) { $count++; } } if ($count === 1) { $this->DB->exec('drop table '.$this->DB_TableName); foreach(glob(rtrim($this->options['tmbPath'], '\\/').DIRECTORY_SEPARATOR.$this->tmbPrefix.'*.png') as $tmb) { unlink($tmb); } } return true; } /*********************************************************************/ /* INIT AND CONFIGURE */ /*********************************************************************/ /** * Prepare FTP connection * Connect to remote server and check if credentials are correct, if so, store the connection id in $ftp_conn * * @return bool * @author Dmitry (dio) Levashov * @author Cem (DiscoFever) **/ protected function init() { if (!class_exists('PDO', false)) { return $this->setError('PHP PDO class is require.'); } if (!$this->options['consumerKey'] || !$this->options['consumerSecret'] || !$this->options['accessToken'] || !$this->options['accessTokenSecret']) { return $this->setError('Required options undefined.'); } if (empty($this->options['metaCachePath']) && defined('ELFINDER_DROPBOX_META_CACHE_PATH')) { $this->options['metaCachePath'] = ELFINDER_DROPBOX_META_CACHE_PATH; } // make net mount key $this->netMountKey = md5(join('-', array('dropbox', $this->options['path']))); if (! $this->oauth) { if (defined('ELFINDER_DROPBOX_USE_CURL_PUT')) { $this->oauth = new Dropbox_OAuth_Curl($this->options['consumerKey'], $this->options['consumerSecret']); } else { if (class_exists('OAuth', false)) { $this->oauth = new Dropbox_OAuth_PHP($this->options['consumerKey'], $this->options['consumerSecret']); } else { if (! class_exists('HTTP_OAuth_Consumer')) { // We're going to try to load in manually include 'HTTP/OAuth/Consumer.php'; } if (class_exists('HTTP_OAuth_Consumer', false)) { $this->oauth = new Dropbox_OAuth_PEAR($this->options['consumerKey'], $this->options['consumerSecret']); } } } } if (! $this->oauth) { return $this->setError('OAuth extension not loaded.'); } // normalize root path $this->root = $this->options['path'] = $this->_normpath($this->options['path']); if (empty($this->options['alias'])) { $this->options['alias'] = ($this->options['path'] === '/')? 'Dropbox.com' : 'Dropbox'.$this->options['path']; } $this->rootName = $this->options['alias']; try { $this->oauth->setToken($this->options['accessToken'], $this->options['accessTokenSecret']); $this->dropbox = new Dropbox_API($this->oauth, $this->options['root']); } catch (Dropbox_Exception $e) { $this->session->remove('DropboxTokens'); return $this->setError('Dropbox error: '.$e->getMessage()); } // user if (empty($this->options['dropboxUid'])) { try { $res = $this->dropbox->getAccountInfo(); $this->options['dropboxUid'] = $res['uid']; } catch (Dropbox_Exception $e) { $this->session->remove('DropboxTokens'); return $this->setError('Dropbox error: '.$e->getMessage()); } } $this->dropboxUid = $this->options['dropboxUid']; $this->tmbPrefix = 'dropbox'.base_convert($this->dropboxUid, 10, 32); 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 && is_writable($this->options['tmbPath'])) { $this->tmp = $this->options['tmbPath']; } if (!$this->tmp && ($tmp = elFinder::getStaticVar('commonTempPath'))) { $this->tmp = $tmp; } if (!empty($this->options['metaCachePath'])) { if ((is_dir($this->options['metaCachePath']) || mkdir($this->options['metaCachePath'])) && is_writable($this->options['metaCachePath'])) { $this->metaCache = $this->options['metaCachePath']; } } if (!$this->metaCache && $this->tmp) { $this->metaCache = $this->tmp; } if (!$this->metaCache) { return $this->setError('Cache dirctory (metaCachePath or tmp) is require.'); } // setup PDO if (! $this->options['PDO_DSN']) { $this->options['PDO_DSN'] = 'sqlite:'.$this->metaCache.DIRECTORY_SEPARATOR.'.elFinder_dropbox_db_'.md5($this->dropboxUid.$this->options['consumerSecret']); } // DataBase table name $this->DB_TableName = $this->options['PDO_DBName']; // DataBase check or make table try { $this->DB = new PDO($this->options['PDO_DSN'], $this->options['PDO_User'], $this->options['PDO_Pass'], $this->options['PDO_Options']); if (! $this->checkDB()) { return $this->setError('Can not make DB table'); } } catch (PDOException $e) { return $this->setError('PDO connection failed: '.$e->getMessage()); } $res = $this->deltaCheck($this->isMyReload()); if ($res !== true) { if (is_string($res)) { return $this->setError($res); } else { return $this->setError('Could not check API "delta"'); } } if (is_null($this->options['syncChkAsTs'])) { $this->options['syncChkAsTs'] = true; } if ($this->options['syncChkAsTs']) { // 'tsPlSleep' minmum 5 sec $this->options['tsPlSleep'] = max(5, $this->options['tsPlSleep']); } else { // 'lsPlSleep' minmum 10 sec $this->options['lsPlSleep'] = max(10, $this->options['lsPlSleep']); } return true; } /** * Configure after successful mount. * * @return string * @author Dmitry (dio) Levashov **/ protected function configure() { parent::configure(); $this->disabled[] = 'archive'; $this->disabled[] = 'extract'; } /** * Check DB for delta cache * * @return bool */ private function checkDB() { $res = $this->query('SELECT * FROM sqlite_master WHERE type=\'table\' AND name=\''.$this->DB_TableName.'\''); if ($res && isset($_REQUEST['init'])) { // check is index(nameidx) UNIQUE? $chk = $this->query('SELECT sql FROM sqlite_master WHERE type=\'index\' and name=\'nameidx\''); if (!$chk || strpos(strtoupper($chk[0]), 'UNIQUE') === false) { // remake $this->DB->exec('DROP TABLE '.$this->DB_TableName); $res = false; } } if (! $res) { try { $this->DB->exec('CREATE TABLE '.$this->DB_TableName.'(path text, fname text, dat blob, isdir integer);'); $this->DB->exec('CREATE UNIQUE INDEX nameidx ON '.$this->DB_TableName.'(path, fname)'); $this->DB->exec('CREATE INDEX isdiridx ON '.$this->DB_TableName.'(isdir)'); } catch (PDOException $e) { return $this->setError($e->getMessage()); } } return true; } /** * DB query and fetchAll * * @param string $sql * @return boolean|array */ private function query($sql) { if ($sth = $this->DB->query($sql)) { $res = $sth->fetchAll(PDO::FETCH_COLUMN); } else { $res = false; } return $res; } /** * Get dat(dropbox metadata) from DB * * @param string $path * @return array dropbox metadata */ private function getDBdat($path) { if ($res = $this->query('select dat from '.$this->DB_TableName.' where path='.$this->DB->quote(strtolower($this->_dirname($path))).' and fname='.$this->DB->quote(strtolower($this->_basename($path))).' limit 1')) { return unserialize($res[0]); } else { return array(); } } /** * Update DB dat(dropbox metadata) * * @param string $path * @param array $dat * @return bool|array */ private function updateDBdat($path, $dat) { return $this->query('update '.$this->DB_TableName.' set dat='.$this->DB->quote(serialize($dat)) . ', isdir=' . ($dat['is_dir']? 1 : 0) . ' where path='.$this->DB->quote(strtolower($this->_dirname($path))).' and fname='.$this->DB->quote(strtolower($this->_basename($path)))); } /*********************************************************************/ /* FS API */ /*********************************************************************/ /** * Close opened connection * * @return void * @author Dmitry (dio) Levashov **/ public function umount() { } /** * Get delta data and DB update * * @param boolean $refresh force refresh * @return true|string error message */ protected function deltaCheck($refresh = true) { $chk = false; if (! $refresh && $chk = $this->query('select dat from '.$this->DB_TableName.' where path=\'\' and fname=\'\' limit 1')) { $chk = unserialize($chk[0]); } if ($chk && ($chk['mtime'] + $this->options['metaCacheTime']) > $_SERVER['REQUEST_TIME']) { return true; } try { $more = true; $this->DB->beginTransaction(); if ($res = $this->query('select dat from '.$this->DB_TableName.' where path=\'\' and fname=\'\' limit 1')) { $res = unserialize($res[0]); $cursor = $res['cursor']; } else { $cursor = ''; } $delete = false; $reset = false; $ptimes = array(); $now = time(); do { ini_set('max_execution_time', 120); $_info = $this->dropbox->delta($cursor); if (! empty($_info['reset'])) { $this->DB->exec('TRUNCATE table '.$this->DB_TableName); $this->DB->exec('insert into '.$this->DB_TableName.' values(\'\', \'\', \''.serialize(array('cursor' => '', 'mtime' => 0)).'\', 0);'); $this->DB->exec('insert into '.$this->DB_TableName.' values(\'/\', \'\', \''.serialize(array( 'path' => '/', 'is_dir' => 1, 'mime_type' => '', 'bytes' => 0 )).'\', 0);'); $reset = true; } $cursor = $_info['cursor']; foreach($_info['entries'] as $entry) { $key = strtolower($entry[0]); $pkey = strtolower($this->_dirname($key)); $path = $this->DB->quote($pkey); $fname = $this->DB->quote(strtolower($this->_basename($key))); $where = 'where path='.$path.' and fname='.$fname; if (empty($entry[1])) { $ptimes[$pkey] = isset($ptimes[$pkey])? max(array($now, $ptimes[$pkey])) : $now; $this->DB->exec('delete from '.$this->DB_TableName.' '.$where); ! $delete && $delete = true; continue; } $_itemTime = strtotime(isset($entry[1]['client_mtime'])? $entry[1]['client_mtime'] : $entry[1]['modified']); $ptimes[$pkey] = isset($ptimes[$pkey])? max(array($_itemTime, $ptimes[$pkey])) : $_itemTime; $sql = 'select path from '.$this->DB_TableName.' '.$where.' limit 1'; if (! $reset && $this->query($sql)) { $this->DB->exec('update '.$this->DB_TableName.' set dat='.$this->DB->quote(serialize($entry[1])).', isdir='.($entry[1]['is_dir']? 1 : 0).' ' .$where); } else { $this->DB->exec('insert into '.$this->DB_TableName.' values ('.$path.', '.$fname.', '.$this->DB->quote(serialize($entry[1])).', '.(int)$entry[1]['is_dir'].')'); } } } while (! empty($_info['has_more'])); // update time stamp of parent holder foreach ($ptimes as $_p => $_t) { if ($praw = $this->getDBdat($_p)) { $_update = false; if (isset($praw['client_mtime']) && $_t > strtotime($praw['client_mtime'])) { $praw['client_mtime'] = date('r', $_t); $_update = true; } if (isset($praw['modified']) && $_t > strtotime($praw['modified'])) { $praw['modified'] = date('r', $_t); $_update = true; } if ($_update) { $pwhere = 'where path='.$this->DB->quote(strtolower($this->_dirname($_p))).' and fname='.$this->DB->quote(strtolower($this->_basename($_p))); $this->DB->exec('update '.$this->DB_TableName.' set dat='.$this->DB->quote(serialize($praw)).' '.$pwhere); } } } $this->DB->exec('update '.$this->DB_TableName.' set dat='.$this->DB->quote(serialize(array('cursor'=>$cursor, 'mtime'=>$_SERVER['REQUEST_TIME']))).' where path=\'\' and fname=\'\''); if (! $this->DB->commit()) { $e = $this->DB->errorInfo(); return $e[2]; } if ($delete) { $this->DB->exec('vacuum'); } } catch(Dropbox_Exception $e) { return $e->getMessage(); } return true; } /** * Parse line from dropbox metadata output and return file stat (array) * * @param string $raw line from ftp_rawlist() output * @return array * @author Dmitry Levashov **/ protected function parseRaw($raw) { $stat = array(); $stat['rev'] = isset($raw['rev'])? $raw['rev'] : 'root'; $stat['name'] = $this->_basename($raw['path']); $stat['mime'] = $raw['is_dir']? 'directory' : $raw['mime_type']; $stat['size'] = $stat['mime'] == 'directory' ? 0 : $raw['bytes']; $stat['ts'] = isset($raw['client_mtime'])? strtotime($raw['client_mtime']) : (isset($raw['modified'])? strtotime($raw['modified']) : $_SERVER['REQUEST_TIME']); $stat['dirs'] = 0; if ($raw['is_dir']) { $stat['dirs'] = (int)(bool)$this->query('select path from '.$this->DB_TableName.' where isdir=1 and path='.$this->DB->quote(strtolower($raw['path']))); } if (!empty($raw['url'])) { $stat['url'] = $raw['url']; } else if (! $this->disabledGetUrl) { $stat['url'] = '1'; } if (isset($raw['width'])) $stat['width'] = $raw['width']; if (isset($raw['height'])) $stat['height'] = $raw['height']; return $stat; } /** * Cache dir contents * * @param string $path dir path * @return string * @author Dmitry Levashov **/ protected function cacheDir($path) { $this->dirsCache[$path] = array(); $hasDir = false; $res = $this->query('select dat from '.$this->DB_TableName.' where path='.$this->DB->quote(strtolower($path))); if ($res) { foreach($res as $raw) { $raw = unserialize($raw); if ($stat = $this->parseRaw($raw)) { $stat = $this->updateCache($raw['path'], $stat); if (empty($stat['hidden']) && $path !== $raw['path']) { if (! $hasDir && $stat['mime'] === 'directory') { $hasDir = true; } $this->dirsCache[$path][] = $raw['path']; } } } } if (isset($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 $mimes * @return array * @author Naoki Sawada **/ protected function doSearch($path, $q, $mimes) { $result = array(); $sth = $this->DB->prepare('select dat from '.$this->DB_TableName.' WHERE path LIKE ? AND fname LIKE ?'); $sth->execute(array((($path === '/')? '' : strtolower($path)).'%', '%'.strtolower($q).'%')); $res = $sth->fetchAll(PDO::FETCH_COLUMN); $timeout = $this->options['searchTimeout']? $this->searchStart + $this->options['searchTimeout'] : 0; if ($res) { foreach($res as $raw) { if ($timeout && $timeout < time()) { $this->setError(elFinder::ERROR_SEARCH_TIMEOUT, $this->path($this->encode($path))); break; } $raw = unserialize($raw); if ($stat = $this->parseRaw($raw)) { if (!isset($this->cache[$raw['path']])) { $stat = $this->updateCache($raw['path'], $stat); } if (!empty($stat['hidden']) || ($mimes && $stat['mime'] === 'directory') || !$this->mimeAccepted($stat['mime'], $mimes)) { continue; } $stat = $this->stat($raw['path']); $stat['path'] = $this->path($stat['hash']); $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 $name new file name (optionaly) * @return string|false * @author Dmitry (dio) Levashov * @author Naoki Sawada **/ protected function copy($src, $dst, $name) { $this->clearcache(); return $this->_copy($src, $dst, $name) ? $this->_joinPath($dst, $name) : $this->setError(elFinder::ERROR_COPY, $this->_path($src)); } /** * Remove file/ recursive remove dir * * @param string $path file path * @param bool $force try to remove even if file locked * @param bool $recursive * @return bool * @author Dmitry (dio) Levashov * @author Naoki Sawada */ protected function remove($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 false|string * @internal param string $mime file mime type * @author Dmitry (dio) Levashov * @author Naoki Sawada */ protected function createTmb($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 = $this->getThumbnail($path, $this->options['getTmbSize'])) { return false; } if (! file_put_contents($tmb, $data)) { return false; } $result = false; $tmbSize = $this->tmbSize; if (($s = getimagesize($tmb)) == false) { return false; } /* If image smaller or equal thumbnail size - just fitting to thumbnail square */ if ($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, $tmbSize, true, false, 'png'); } if (($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'); } $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 $stat file stat * @return string * @author Dmitry (dio) Levashov **/ protected function tmbname($stat) { return $this->tmbPrefix.$stat['rev'].'.png'; } /** * Get thumbnail from dropbox.com * @param string $path * @param string $size * @return string | boolean */ protected function getThumbnail($path, $size = 'small') { try { return $this->dropbox->getThumbnail($path, $size); } catch (Dropbox_Exception $e) { return false; } } /** * Return content URL * * @param string $hash file hash * @param array $options options * @return array * @author Naoki Sawada **/ public function getContentUrl($hash, $options = array()) { if (($file = $this->file($hash)) == false || !$file['url'] || $file['url'] == 1) { $path = $this->decode($hash); $cache = $this->getDBdat($path); $url = ''; if (isset($cache['share']) && strpos($cache['share'], $this->dropbox_dlhost) !== false) { $res = $this->getHttpResponseHeader($cache['share']); if (preg_match("/^HTTP\/[01\.]+ ([0-9]{3})/", $res, $match)) { if ($match[1] < 400) { $url = $cache['share']; } } } if (! $url) { try { $res = $this->dropbox->share($path, null, false); $url = $res['url']; if (strpos($url, 'www.dropbox.com') === false) { $res = $this->getHttpResponseHeader($url); if (preg_match('/^location:\s*(http[^\s]+)/im', $res, $match)) { $url = $match[1]; } } list($url) = explode('?', $url); $url = str_replace('www.dropbox.com', $this->dropbox_dlhost, $url); if (! isset($cache['share']) || $cache['share'] !== $url) { $cache['share'] = $url; $this->updateDBdat($path, $cache); } } catch (Dropbox_Exception $e) { return false; } } return $url; } return $file['url']; } /** * Get HTTP request response header string * * @param string $url target URL * @return string * @author Naoki Sawada */ private function getHttpResponseHeader($url) { if (function_exists('curl_exec')) { $c = curl_init(); curl_setopt( $c, CURLOPT_RETURNTRANSFER, true ); curl_setopt( $c, CURLOPT_CUSTOMREQUEST, 'HEAD' ); curl_setopt( $c, CURLOPT_HEADER, 1 ); curl_setopt( $c, CURLOPT_NOBODY, true ); curl_setopt( $c, CURLOPT_URL, $url ); $res = curl_exec( $c ); } else { require_once 'HTTP/Request2.php'; try { $request2 = new HTTP_Request2(); $request2->setConfig(array( 'ssl_verify_peer' => false, 'ssl_verify_host' => false )); $request2->setUrl($url); $request2->setMethod(HTTP_Request2::METHOD_HEAD); $result = $request2->send(); $res = array(); $res[] = 'HTTP/'.$result->getVersion().' '.$result->getStatus().' '.$result->getReasonPhrase(); foreach($result->getHeader() as $key => $val) { $res[] = $key . ': ' . $val; } $res = join("\r\n", $res); } catch( HTTP_Request2_Exception $e ){ $res = ''; } catch (Exception $e){ $res = ''; } } return $res; } /*********************** paths/urls *************************/ /** * Return parent directory path * * @param string $path file path * @return string * @author Dmitry (dio) Levashov **/ protected function _dirname($path) { return $this->_normpath(substr($path, 0, strrpos($path, '/'))); } /** * Return file name * * @param string $path file path * @return string * @author Dmitry (dio) Levashov **/ protected function _basename($path) { return substr($path, strrpos($path, '/') + 1); } /** * 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 $this->_normpath($dir.'/'.$name); } /** * 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) { $path = '/' . ltrim($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) { return $this->rootName . $this->_normpath(substr($path, strlen($this->root))); } /** * 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 == $parent || strpos($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 (!empty($this->ARGS['reload']) && isset($this->ARGS['target']) && strpos($this->ARGS['target'], $this->id) === 0) { if ($this->isMyReload()) { $this->deltaCheck(); } if ($raw = $this->getDBdat($path)) { return $this->parseRaw($raw); } return false; } /** * Return true if path is dir and has at least one childs directory * * @param string $path dir path * @return bool * @author Dmitry (dio) Levashov **/ protected function _subdirs($path) { return ($stat = $this->stat($path)) && isset($stat['dirs']) ? $stat['dirs'] : false; } /** * Return object width and height * Ususaly used for images, but can be realize for video etc... * * @param string $path file path * @param string $mime file mime type * @return string * @author Dmitry (dio) Levashov **/ protected function _dimensions($path, $mime) { if (strpos($mime, 'image') !== 0) return ''; $cache = $this->getDBdat($path); if (isset($cache['width']) && isset($cache['height'])) { return $cache['width'].'x'.$cache['height']; } $ret = ''; if ($work = $this->getWorkFile($path)) { if ($size = getimagesize($work)) { $cache['width'] = $size[0]; $cache['height'] = $size[1]; $this->updateDBdat($path, $cache); $ret = $size[0].'x'.$size[1]; } } is_file($work) && unlink($work); return $ret; } /******************** file/dir content *********************/ /** * Return files list in directory. * * @param string $path dir path * @return array * @author Dmitry (dio) Levashov * @author Cem (DiscoFever) **/ protected function _scandir($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 * @return false|resource * @internal param bool $write open file for writing * @author Dmitry (dio) Levashov */ protected function _fopen($path, $mode='rb') { if (($mode == 'rb' || $mode == 'r')) { try { $res = $this->dropbox->media($path); $url = parse_url($res['url']); $fp = stream_socket_client('ssl://'.$url['host'].':443'); fputs($fp, "GET {$url['path']} HTTP/1.0\r\n"); fputs($fp, "Host: {$url['host']}\r\n"); fputs($fp, "\r\n"); while(trim(fgets($fp)) !== ''){}; return $fp; } catch (Dropbox_Exception $e) { return false; } } if ($this->tmp) { $contents = $this->_getContents($path); if ($contents === false) { return false; } if ($local = $this->getTempFile($path)) { if (file_put_contents($local, $contents, LOCK_EX) !== false) { return fopen($local, $mode); } } } 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) { $path = $this->_normpath($path.'/'.$name); try { $this->dropbox->createFolder($path); } catch (Dropbox_Exception $e) { $this->deltaCheck(); if ($this->dir($this->encode($path))) { return $path; } return $this->setError('Dropbox error: '.$e->getMessage()); } $this->deltaCheck(); return $path; } /** * 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 $this->_filePutContents($path.'/'.$name, ''); } /** * 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) { $path = $this->_normpath($targetDir.'/'.$name); try { $this->dropbox->copy($source, $path); } catch (Dropbox_Exception $e) { return $this->setError('Dropbox error: '.$e->getMessage()); } $this->deltaCheck(); return true; } /** * 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) { $target = $this->_normpath($targetDir.'/'.$name); try { $this->dropbox->move($source, $target); } catch (Dropbox_Exception $e) { return $this->setError('Dropbox error: '.$e->getMessage()); } $this->deltaCheck(); return $target; } /** * Remove file * * @param string $path file path * @return bool * @author Dmitry (dio) Levashov **/ protected function _unlink($path) { try { $this->dropbox->delete($path); } catch (Dropbox_Exception $e) { return $this->setError('Dropbox error: '.$e->getMessage()); } $this->deltaCheck(); return true; } /** * Remove dir * * @param string $path dir path * @return bool * @author Dmitry (dio) Levashov **/ protected function _rmdir($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 $path * @param string $name file name * @param array $stat file stat (required by some virtual fs) * @return bool|string * @internal param string $dir target dir path * @author Dmitry (dio) Levashov */ protected function _save($fp, $path, $name, $stat) { if ($name) $path .= '/'.$name; $path = $this->_normpath($path); try { $this->dropbox->putFile($path, $fp); } catch (Dropbox_Exception $e) { return $this->setError('Dropbox error: '.$e->getMessage()); } $this->deltaCheck(); if (is_array($stat)) { $raw = $this->getDBdat($path); if (isset($stat['width'])) $raw['width'] = $stat['width']; if (isset($stat['height'])) $raw['height'] = $stat['height']; $this->updateDBdat($path, $raw); } return $path; } /** * Get file contents * * @param string $path file path * @return string|false * @author Dmitry (dio) Levashov **/ protected function _getContents($path) { $contents = ''; try { $contents = $this->dropbox->getFile($path); } catch (Dropbox_Exception $e) { return $this->setError('Dropbox error: '.$e->getMessage()); } return $contents; } /** * Write a string to a file * * @param string $path file path * @param string $content new file content * @return bool * @author Dmitry (dio) Levashov **/ protected function _filePutContents($path, $content) { $res = false; if ($local = $this->getTempFile($path)) { if (file_put_contents($local, $content, LOCK_EX) !== false && ($fp = fopen($local, 'rb'))) { clearstatcache(); $res = $this->_save($fp, $path, '', array()); fclose($fp); } file_exists($local) && unlink($local); } return $res; } /** * Detect available archivers * * @return array **/ protected function _checkArchivers() { // die('Not yet implemented. (_checkArchivers)'); return array(); } /** * 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 $this->archivers) * @return true * @return void * @author Dmitry (dio) Levashov * @author Alexey Sukhotin **/ protected function _unpack($path, $arc) { die('Not yet implemented. (_unpack)'); } /** * 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
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