base && strlen($this->base)) { if(strpos($temp, $this->base) !== 0) { throw new Exception('Path is not inside base ('.$this->base.'): ' . $temp); } } return $temp; } protected function path($id) { $id = str_replace('/', DIRECTORY_SEPARATOR, $id); $id = trim($id, DIRECTORY_SEPARATOR); $id = $this->real($this->base . DIRECTORY_SEPARATOR . $id); return $id; } protected function id($path) { $path = $this->real($path); $path = substr($path, strlen($this->base)); $path = str_replace(DIRECTORY_SEPARATOR, '/', $path); $path = trim($path, '/'); return strlen($path) ? $path : '/'; } public function __construct($base) { $this->base = $this->real($base); if(!$this->base) { throw new Exception('Base directory does not exist'); } } public function lst($id, $with_root = false) { $dir = $this->path($id); $lst = @scandir($dir); if(!$lst) { throw new Exception('Could not list path: ' . $dir); } $res = array(); foreach($lst as $item) { if($item == '.' || $item == '..' || $item === null) { continue; } $tmp = preg_match('([^ a-zа-я-_0-9.]+)ui', $item); if($tmp === false || $tmp === 1) { continue; } if(is_dir($dir . DIRECTORY_SEPARATOR . $item)) { $res[] = array('text' => $item, 'children' => true, 'id' => $this->id($dir . DIRECTORY_SEPARATOR . $item), 'icon' => 'folder'); } else { $res[] = array('text' => $item, 'children' => false, 'id' => $this->id($dir . DIRECTORY_SEPARATOR . $item), 'type' => 'file', 'icon' => 'file file-'.substr($item, strrpos($item,'.') + 1)); } } if($with_root && $this->id($dir) === '/') { $res = array(array('text' => basename($this->base), 'children' => $res, 'id' => '/', 'icon'=>'folder', 'state' => array('opened' => true, 'disabled' => true))); } return $res; } public function data($id) { if(strpos($id, ":")) { $id = array_map(array($this, 'id'), explode(':', $id)); return array('type'=>'multiple', 'content'=> 'Multiple selected: ' . implode(' ', $id)); } $dir = $this->path($id); if(is_dir($dir)) { return array('type'=>'folder', 'content'=> $id); } if(is_file($dir)) { $ext = strpos($dir, '.') !== FALSE ? substr($dir, strrpos($dir, '.') + 1) : ''; $dat = array('type' => $ext, 'content' => ''); switch($ext) { case 'txt': case 'text': case 'md': case 'js': case 'json': case 'css': case 'html': case 'htm': case 'xml': case 'c': case 'cpp': case 'h': case 'sql': case 'log': case 'py': case 'rb': case 'htaccess': case 'php': $dat['content'] = file_get_contents($dir); break; case 'jpg': case 'jpeg': case 'gif': case 'png': case 'bmp': $dat['content'] = 'data:'.finfo_file(finfo_open(FILEINFO_MIME_TYPE), $dir).';base64,'.base64_encode(file_get_contents($dir)); break; default: $dat['content'] = 'File not recognized: '.$this->id($dir); break; } return $dat; } throw new Exception('Not a valid selection: ' . $dir); } public function create($id, $name, $mkdir = false) { $dir = $this->path($id); if(preg_match('([^ a-zа-я-_0-9.]+)ui', $name) || !strlen($name)) { throw new Exception('Invalid name: ' . $name); } if($mkdir) { mkdir($dir . DIRECTORY_SEPARATOR . $name); } else { file_put_contents($dir . DIRECTORY_SEPARATOR . $name, ''); } return array('id' => $this->id($dir . DIRECTORY_SEPARATOR . $name)); } public function rename($id, $name) { $dir = $this->path($id); if($dir === $this->base) { throw new Exception('Cannot rename root'); } if(preg_match('([^ a-zа-я-_0-9.]+)ui', $name) || !strlen($name)) { throw new Exception('Invalid name: ' . $name); } $new = explode(DIRECTORY_SEPARATOR, $dir); array_pop($new); array_push($new, $name); $new = implode(DIRECTORY_SEPARATOR, $new); if($dir !== $new) { if(is_file($new) || is_dir($new)) { throw new Exception('Path already exists: ' . $new); } rename($dir, $new); } return array('id' => $this->id($new)); } public function remove($id) { $dir = $this->path($id); if($dir === $this->base) { throw new Exception('Cannot remove root'); } if(is_dir($dir)) { foreach(array_diff(scandir($dir), array(".", "..")) as $f) { $this->remove($this->id($dir . DIRECTORY_SEPARATOR . $f)); } rmdir($dir); } if(is_file($dir)) { unlink($dir); } return array('status' => 'OK'); } public function move($id, $par) { $dir = $this->path($id); $par = $this->path($par); $new = explode(DIRECTORY_SEPARATOR, $dir); $new = array_pop($new); $new = $par . DIRECTORY_SEPARATOR . $new; rename($dir, $new); return array('id' => $this->id($new)); } public function copy($id, $par) { $dir = $this->path($id); $par = $this->path($par); $new = explode(DIRECTORY_SEPARATOR, $dir); $new = array_pop($new); $new = $par . DIRECTORY_SEPARATOR . $new; if(is_file($new) || is_dir($new)) { throw new Exception('Path already exists: ' . $new); } if(is_dir($dir)) { mkdir($new); foreach(array_diff(scandir($dir), array(".", "..")) as $f) { $this->copy($this->id($dir . DIRECTORY_SEPARATOR . $f), $this->id($new)); } } if(is_file($dir)) { copy($dir, $new); } return array('id' => $this->id($new)); } } if(isset($_GET['operation'])) { $fs = new fs(dirname(__FILE__) . DIRECTORY_SEPARATOR . 'data' . DIRECTORY_SEPARATOR . 'root' . DIRECTORY_SEPARATOR); try { $rslt = null; switch($_GET['operation']) { case 'get_node': $node = isset($_GET['id']) && $_GET['id'] !== '#' ? $_GET['id'] : '/'; $rslt = $fs->lst($node, (isset($_GET['id']) && $_GET['id'] === '#')); break; case "get_content": $node = isset($_GET['id']) && $_GET['id'] !== '#' ? $_GET['id'] : '/'; $rslt = $fs->data($node); break; case 'create_node': $node = isset($_GET['id']) && $_GET['id'] !== '#' ? $_GET['id'] : '/'; $rslt = $fs->create($node, isset($_GET['text']) ? $_GET['text'] : '', (!isset($_GET['type']) || $_GET['type'] !== 'file')); break; case 'rename_node': $node = isset($_GET['id']) && $_GET['id'] !== '#' ? $_GET['id'] : '/'; $rslt = $fs->rename($node, isset($_GET['text']) ? $_GET['text'] : ''); break; case 'delete_node': $node = isset($_GET['id']) && $_GET['id'] !== '#' ? $_GET['id'] : '/'; $rslt = $fs->remove($node); break; case 'move_node': $node = isset($_GET['id']) && $_GET['id'] !== '#' ? $_GET['id'] : '/'; $parn = isset($_GET['parent']) && $_GET['parent'] !== '#' ? $_GET['parent'] : '/'; $rslt = $fs->move($node, $parn); break; case 'copy_node': $node = isset($_GET['id']) && $_GET['id'] !== '#' ? $_GET['id'] : '/'; $parn = isset($_GET['parent']) && $_GET['parent'] !== '#' ? $_GET['parent'] : '/'; $rslt = $fs->copy($node, $parn); break; default: throw new Exception('Unsupported operation: ' . $_GET['operation']); break; } header('Content-Type: application/json; charset=utf-8'); echo json_encode($rslt); } catch (Exception $e) { header($_SERVER["SERVER_PROTOCOL"] . ' 500 Server Error'); header('Status: 500 Server Error'); echo $e->getMessage(); } die(); } ?>