137 lines
5.1 KiB
PHP
137 lines
5.1 KiB
PHP
<?php
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namespace BitApps\FM\Providers\FileManager;
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use elFinder;
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use elFinderConnector;
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\defined('ABSPATH') || exit();
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class FinderConnector extends elFinderConnector
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{
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/**
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* Output json
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* This function is overridden. Some servers disable `fpassthru` function
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* which is used in this function
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*
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* @param array data to output
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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 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 = $data['pointer'];
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$sendData = !($this->reqMethod === 'HEAD' || !empty($data['info']['xsendfile']));
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$psize = null;
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if (($this->reqMethod === 'GET' || !$sendData)
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&& (elFinder::isSeekableStream($fp) || elFinder::isSeekableUrl($fp))
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&& (array_search('Accept-Ranges: none', headers_list()) === false)) {
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header('Accept-Ranges: bytes');
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if (!empty($_SERVER['HTTP_RANGE'])) {
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$size = $data['info']['size'];
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$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 . '/' . $size);
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// Apache mod_xsendfile dose not support range request
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if (isset($data['info']['xsendfile']) && strtolower($data['info']['xsendfile']) === 'x-sendfile') {
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if (function_exists('header_remove')) {
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header_remove($data['info']['xsendfile']);
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} else {
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header($data['info']['xsendfile'] . ':');
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}
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unset($data['info']['xsendfile']);
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if ($this->reqMethod !== 'HEAD') {
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$sendData = true;
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}
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}
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$sendData && !elFinder::isSeekableUrl($fp) && fseek($fp, $start);
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}
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}
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}
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if ($sendData && 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 ($sendData) {
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if (function_exists('fpassthru') && ($toEnd || elFinder::isSeekableUrl($fp))) {
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// PHP < 5.6 has a bug of fpassthru
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// see https://bugs.php.net/bug.php?id=66736
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if (version_compare(PHP_VERSION, '5.6', '<')) {
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file_put_contents('php://output', $fp);
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} else {
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fpassthru($fp);
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}
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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($fp, $data['info']['hash']);
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} else {
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fclose($fp);
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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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