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<?php |
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/** |
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* Default elFinder connector. |
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* |
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* @author Dmitry (dio) Levashov |
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**/ |
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class elFinderConnector |
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{ |
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/** |
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* elFinder instance. |
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* |
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* @var elFinder |
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**/ |
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protected $elFinder; |
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/** |
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* Options. |
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* |
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* @var aray |
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**/ |
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protected $options = []; |
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/** |
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* Must be use output($data) $data['header']. |
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* |
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* @var string |
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* @deprecated |
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**/ |
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protected $header = ''; |
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/** |
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* HTTP request method. |
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* |
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* @var string |
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*/ |
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protected $reqMethod = ''; |
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/** |
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* Content type of output JSON. |
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* |
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* @var string |
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*/ |
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protected static $contentType = 'Content-Type: application/json'; |
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/** |
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* Constructor. |
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* |
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* @param $elFinder |
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* @param bool $debug |
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* @author Dmitry (dio) Levashov |
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*/ |
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public function __construct($elFinder, $debug = false) |
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{ |
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$this->elFinder = $elFinder; |
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$this->reqMethod = strtoupper($_SERVER['REQUEST_METHOD']); |
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if ($debug) { |
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self::$contentType = 'Content-Type: text/plain; charset=utf-8'; |
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} |
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} |
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/** |
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* Execute elFinder command and output result. |
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* |
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* @return void |
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* @author Dmitry (dio) Levashov |
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**/ |
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public function run() |
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{ |
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$isPost = $this->reqMethod === 'POST'; |
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$src = $isPost ? $_POST : $_GET; |
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$maxInputVars = (! $src || isset($src['targets'])) ? ini_get('max_input_vars') : null; |
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if ((! $src || $maxInputVars) && $rawPostData = file_get_contents('php://input')) { |
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// for max_input_vars and supports IE XDomainRequest() |
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$parts = explode('&', $rawPostData); |
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if (! $src || $maxInputVars < count($parts)) { |
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$src = []; |
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foreach ($parts as $part) { |
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list($key, $value) = array_pad(explode('=', $part), 2, ''); |
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$key = rawurldecode($key); |
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if (preg_match('/^(.+?)\[([^\[\]]*)\]$/', $key, $m)) { |
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$key = $m[1]; |
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$idx = $m[2]; |
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if (! isset($src[$key])) { |
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$src[$key] = []; |
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} |
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if ($idx) { |
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$src[$key][$idx] = rawurldecode($value); |
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} else { |
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$src[$key][] = rawurldecode($value); |
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} |
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} else { |
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$src[$key] = rawurldecode($value); |
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} |
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} |
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$_POST = $this->input_filter($src); |
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$_REQUEST = $this->input_filter(array_merge_recursive($src, $_REQUEST)); |
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} |
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} |
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if (isset($src['targets']) && $this->elFinder->maxTargets && count($src['targets']) > $this->elFinder->maxTargets) { |
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$error = $this->elFinder->error(elFinder::ERROR_MAX_TARGTES); |
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$this->output(['error' => $this->elFinder->error(elFinder::ERROR_MAX_TARGTES)]); |
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} |
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$cmd = isset($src['cmd']) ? $src['cmd'] : ''; |
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$args = []; |
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if (! function_exists('json_encode')) { |
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$error = $this->elFinder->error(elFinder::ERROR_CONF, elFinder::ERROR_CONF_NO_JSON); |
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$this->output(['error' => '{"error":["'.implode('","', $error).'"]}', 'raw' => true]); |
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} |
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if (! $this->elFinder->loaded()) { |
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$this->output(['error' => $this->elFinder->error(elFinder::ERROR_CONF, elFinder::ERROR_CONF_NO_VOL), 'debug' => $this->elFinder->mountErrors]); |
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} |
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// telepat_mode: on |
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if (! $cmd && $isPost) { |
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$this->output(['error' => $this->elFinder->error(elFinder::ERROR_UPLOAD, elFinder::ERROR_UPLOAD_TOTAL_SIZE), 'header' => 'Content-Type: text/html']); |
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} |
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// telepat_mode: off |
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if (! $this->elFinder->commandExists($cmd)) { |
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$this->output(['error' => $this->elFinder->error(elFinder::ERROR_UNKNOWN_CMD)]); |
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} |
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// collect required arguments to exec command |
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$hasFiles = false; |
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foreach ($this->elFinder->commandArgsList($cmd) as $name => $req) { |
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if ($name === 'FILES') { |
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if (isset($_FILES)) { |
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$hasFiles = true; |
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} elseif ($req) { |
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$this->output(['error' => $this->elFinder->error(elFinder::ERROR_INV_PARAMS, $cmd)]); |
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} |
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} else { |
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$arg = isset($src[$name]) ? $src[$name] : ''; |
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if (! is_array($arg) && $req !== '') { |
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$arg = trim($arg); |
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} |
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if ($req && $arg === '') { |
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$this->output(['error' => $this->elFinder->error(elFinder::ERROR_INV_PARAMS, $cmd)]); |
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} |
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$args[$name] = $arg; |
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} |
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} |
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$args['debug'] = isset($src['debug']) ? (bool) $src['debug'] : false; |
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$args = $this->input_filter($args); |
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if ($hasFiles) { |
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$args['FILES'] = $_FILES; |
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} |
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$this->output($this->elFinder->exec($cmd, $args)); |
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} |
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/** |
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* Output JSON. |
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* |
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* @param array $data |
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*/ |
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public static function outputJson($data) |
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{ |
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// send header |
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$header = isset($data['header']) ? $data['header'] : self::$contentType; |
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self::sendHeader($header); |
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unset($data['header']); |
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if (! empty($data['raw']) && ! empty($data['error'])) { |
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$out = $data['error']; |
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} else { |
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if (isset($data['debug']) && isset($data['debug']['phpErrors'])) { |
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$data['debug']['phpErrors'] = array_merge($data['debug']['phpErrors'], elFinder::$phpErrors); |
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} |
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$out = json_encode($data); |
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} |
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// clear output buffer |
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while (ob_get_level() && ob_end_clean()) { |
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} |
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header('Content-Length: '.strlen($out)); |
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echo $out; |
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flush(); |
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} |
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/** |
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* Output json. |
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* |
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* @param array data to output |
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* @return void |
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* @author Dmitry (dio) Levashov |
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**/ |
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protected function output(array $data) |
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{ |
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// unlock session data for multiple access |
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$this->elFinder->getSession()->close(); |
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// client disconnect should abort |
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ignore_user_abort(false); |
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if ($this->header) { |
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self::sendHeader($this->header); |
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} |
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if (isset($data['pointer'])) { |
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// set time limit to 0 |
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elFinder::extendTimeLimit(0); |
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// send optional header |
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if (! empty($data['header'])) { |
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self::sendHeader($data['header']); |
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} |
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// clear output buffer |
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while (ob_get_level() && ob_end_clean()) { |
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} |
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$toEnd = true; |
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$fp = $data['pointer']; |
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if (($this->reqMethod === 'GET' || $this->reqMethod === 'HEAD') |
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&& elFinder::isSeekableStream($fp) |
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&& (array_search('Accept-Ranges: none', headers_list()) === false)) { |
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header('Accept-Ranges: bytes'); |
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$psize = null; |
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if (! empty($_SERVER['HTTP_RANGE'])) { |
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$size = $data['info']['size']; |
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$start = 0; |
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$end = $size - 1; |
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if (preg_match('/bytes=(\d*)-(\d*)(,?)/i', $_SERVER['HTTP_RANGE'], $matches)) { |
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if (empty($matches[3])) { |
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if (empty($matches[1]) && $matches[1] !== '0') { |
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$start = $size - $matches[2]; |
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} else { |
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$start = intval($matches[1]); |
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if (! empty($matches[2])) { |
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$end = intval($matches[2]); |
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if ($end >= $size) { |
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$end = $size - 1; |
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} |
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$toEnd = ($end == ($size - 1)); |
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} |
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} |
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$psize = $end - $start + 1; |
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header('HTTP/1.1 206 Partial Content'); |
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header('Content-Length: '.$psize); |
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header('Content-Range: bytes '.$start.'-'.$end.'/'.$size); |
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fseek($fp, $start); |
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} |
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} |
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} |
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if (is_null($psize)) { |
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elFinder::rewind($fp); |
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} |
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} else { |
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header('Accept-Ranges: none'); |
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if (isset($data['info']) && ! $data['info']['size']) { |
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if (function_exists('header_remove')) { |
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header_remove('Content-Length'); |
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} else { |
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header('Content-Length:'); |
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} |
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} |
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} |
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if ($reqMethod !== 'HEAD') { |
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View Code Duplication |
if ($toEnd) { |
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fpassthru($fp); |
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} else { |
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$out = fopen('php://output', 'wb'); |
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stream_copy_to_stream($fp, $out, $psize); |
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fclose($out); |
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} |
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} |
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if (! empty($data['volume'])) { |
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$data['volume']->close($data['pointer'], $data['info']['hash']); |
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} |
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exit(); |
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} else { |
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self::outputJson($data); |
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exit(0); |
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} |
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} |
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/** |
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294
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* Remove null & stripslashes applies on "magic_quotes_gpc". |
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295
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* |
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296
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* @param mixed $args |
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297
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* @return mixed |
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298
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* @author Naoki Sawada |
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299
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*/ |
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300
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protected function input_filter($args) |
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301
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{ |
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302
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static $magic_quotes_gpc = null; |
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303
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304
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if ($magic_quotes_gpc === null) { |
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305
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$magic_quotes_gpc = (version_compare(PHP_VERSION, '5.4', '<') && get_magic_quotes_gpc()); |
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306
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} |
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307
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308
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if (is_array($args)) { |
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309
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return array_map([&$this, 'input_filter'], $args); |
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310
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} |
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311
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$res = str_replace("\0", '', $args); |
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312
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$magic_quotes_gpc && ($res = stripslashes($res)); |
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|
|
return $res; |
|
315
|
|
|
} |
|
316
|
|
|
|
|
317
|
|
|
/** |
|
318
|
|
|
* Send HTTP header. |
|
319
|
|
|
* |
|
320
|
|
|
* @param string|array $header optional header |
|
321
|
|
|
*/ |
|
322
|
|
|
protected static function sendHeader($header = null) |
|
323
|
|
|
{ |
|
324
|
|
|
if ($header) { |
|
325
|
|
|
if (is_array($header)) { |
|
326
|
|
|
foreach ($header as $h) { |
|
327
|
|
|
header($h); |
|
328
|
|
|
} |
|
329
|
|
|
} else { |
|
330
|
|
|
header($header); |
|
331
|
|
|
} |
|
332
|
|
|
} |
|
333
|
|
|
} |
|
334
|
|
|
}// END class |
|
335
|
|
|
|
You can fix this by adding a namespace to your class:
When choosing a vendor namespace, try to pick something that is not too generic to avoid conflicts with other libraries.