93 lines
3.5 KiB
PHP
93 lines
3.5 KiB
PHP
<?php
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/*
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* @copyright QiaoQiaoShiDai Internet Technology(Shanghai)Co.,Ltd
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* @license https://www.oaooa.com/licenses/
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*
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* @link https://www.oaooa.com
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*/
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if(!defined('IN_OAOOA') ) {
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exit('Access Denied');
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}
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if(!$rid = dzzdecode($_GET['path'],'',0)){
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exit('Access Denied');
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}
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$data = C::t('pichome_resources')->fetch_data_by_rid($rid);
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$did = $data['remoteid'];
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$connectdata = C::t('connect_storage')->fetch($did);
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if(!$connectdata['docstatus']){
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showmessage('该文件预览需文档处理支持，当前存储位置未开启文档处理，如需预览请联系管理员开启文档处理');
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exit();
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}else{
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$url = IO::getFileUri($data['path']);
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$signedUrl = explode('?',$url);
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$url = $signedUrl[0].'?ci-process=doc-preview&dstType=html&'.$signedUrl[1];
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$filename = rtrim($_GET['n'], '.dzz');
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$ext = strtolower(substr(strrchr($filename, '.'), 1, 10));
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if (!$ext) $ext = strtolower(substr(strrchr(preg_replace("/\.dzz$/i", '', preg_replace("/\?.*/i", '', $url)), '.'), 1, 10));
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$mime = 'html';
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if (is_file($url)) {
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$filename = $url;
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$start = 0;
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$total = filesize($filename);
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header("Cache-Control: private, max-age=2592000, pre-check=2592000");
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header("Pragma: private");
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header("Expires: " . date(DATE_RFC822, strtotime(" 30 day")));
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header('Last-Modified: ' . gmdate('D, d M Y H:i:s', filemtime($filename)) . ' GMT');
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if (isset($_SERVER['HTTP_RANGE'])) {
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$range = str_replace('=', '-', $_SERVER['HTTP_RANGE']);
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$range = explode('-', $range);
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if (isset($range[2]) && intval($range[2]) > 0) {
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$end = trim($range[2]);
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} else {
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$end = $total - 1;
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}
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$start = trim($range[1]);
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$size = $end - $start + 1;
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header('HTTP/1.1 206 Partial Content');
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header('Content-Length:' . $size);
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header('Content-Range: bytes ' . $start . '-' . $end . '/' . $total);
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} else {
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$size = $end = $total;
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header('HTTP/1.1 200 OK');
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header('Content-Length:' . $size);
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header('Content-Range: bytes 0-' . ($total - 1) . '/' . $total);
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}
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header('Accenpt-Ranges: bytes');
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header('Content-Type:' . $mime);
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$fp = fopen($filename, 'rb');
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fseek($fp, $start, 0);
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$cur = $start;
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@ob_end_clean();
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if (getglobal('gzipcompress')) @ob_start('ob_gzhandler');
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while (!feof($fp) && $cur <= $end && (connection_status() == 0)) {
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print fread($fp, min(1024 * 16, ($end - $cur) + 1));
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$cur += 1024 * 16;
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}
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fclose($fp);
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exit();
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} else {
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//$cachefile=$_G['siteurl']['attachdir'].'cache/'.play_cache_md5(file).'.'.$ext;
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//$meta=IO::getMeta($path);
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//$size=$meta['size'];
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header("Cache-Control: private, max-age=2592000, pre-check=2592000");
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header("Pragma: private");
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header("Expires: " . date(DATE_RFC822, strtotime(" 30 day")));
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header('Last-Modified: ' . gmdate('D, d M Y H:i:s', filemtime($url)) . ' GMT');
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header('Content-Type: ' . $mime);
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//header('Content-Length:'.$size);
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//header('Content-Range: bytes 0-'.($size-1).'/'.$size);
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@ob_end_clean();
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if (getglobal('gzipcompress')) @ob_start('ob_gzhandler');
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@readfile($url);
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@flush();
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@ob_flush();
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exit();
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}
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}
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