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123 lines
4.0 KiB
123 lines
4.0 KiB
<?php
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/* //分享地址支持下载（a=down)，预览(a=view)和流
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* @copyright Leyun internet Technology(Shanghai)Co.,Ltd
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* @license http://www.dzzoffice.com/licenses/license.txt
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* @package DzzOffice
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* @link http://www.dzzoffice.com
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* @author zyx(zyx@dzz.cc)
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*/
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define('APPTYPEID', 200);
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define('DZZSCRIPT', 'index.php');
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define('CURSCRIPT', 'dzz');
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require './core/coreBase.php';
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$dzz = C::app();
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$dzz->init();
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$s = trim($_GET['s'] ?? '');
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if (!$path = dzzdecode($s)) {
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exit('Access Denied');
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}
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if (isset($_GET['sid'])) {
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$sid = dzzdecode(trim($_GET['sid']));
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}
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if ($_GET['a'] == 'down') {
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IO::download($path, $_GET['filename']);
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exit();
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} elseif ($_GET['a'] == 'view') {
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$vid = isset($_GET['vid']) ? intval($_GET['vid']) : 0;
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if ($vid) {
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if (!$icoarr = C::t('resources_version')->fetch_version_by_rid_vid($path, $vid)) {
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showmessage(lang('attachment_nonexistence'));
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} else {
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$path = dzzdecode($icoarr['icoid']);
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}
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} else {
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if (!$icoarr = IO::getMeta($path)) {
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showmessage(lang('attachment_nonexistence'));
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}
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$icoarr['icoid'] = $_GET['s'];
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}
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if ($icoarr['type'] == 'link') {
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@header('Location: ' . $icoarr['url']);
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exit();
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}
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$imageexts = array('jpg', 'jpeg', 'png', 'gif'); //图片使用；
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$filename = $icoarr['name'];//rtrim($_GET['n'],'.dzz');
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$ext = $icoarr['ext'];//strtolower(substr(strrchr($filename, '.'), 1, 10));
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if (!$ext) $ext = preg_replace("/\?.+/i", '', strtolower(substr(strrchr(rtrim($url, '.dzz'), '.'), 1, 10)));
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if (in_array($ext, $imageexts)) {
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$url = $_G['siteurl'] . 'index.php?mod=io&op=thumbnail&original=1&path=' . $icoarr['icoid'];
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@header("Location: $url");
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exit();
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}
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$extall = C::t('app_open')->fetch_all_ext();
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$exts = array();
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$bzarr = explode(':', $icoarr['rbz'] ? $icoarr['rbz'] : $icoarr['bz']);
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$bz = ($bzarr[0]) ? $bzarr[0] : 'dzz';
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foreach ($extall as $value) {
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if (!isset($exts[$value['ext']]) || $value['isdefault']) $exts[$value['ext']] = $value;
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}
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if (isset($exts[$bz . ':' . $ext])) {
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$data = $exts[$bz . ':' . $ext];
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} elseif ($exts[$ext]) {
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$data = $exts[$ext];
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} elseif ($exts[$icoarr['type']]) {
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$data = $exts[$icoarr['type']];
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} else $data = array();
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if ($data) {
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$url = $data['url'];
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if (strpos($url, 'dzzjs:') !== false) {//dzzjs形式时
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@header("Location: $icoarr[url]");
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exit();
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} else {
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//替换参数
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$url = preg_replace_callback("/{(\w+)}/i", function ($matches) use ($icoarr) {
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$key = $matches[1];
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if ($key == 'path') {
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return $icoarr['icoid'];
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} else if ($key == 'icoid') {
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return 'preview_' . random(5);
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} else {
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return urlencode($icoarr[$key]);
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}
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}, $url);
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//添加path参数；
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if (strpos($url, '?') !== false && strpos($url, 'path=') === false) {
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if ($sid) {
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$pre .= 'sid:' . $sid . '_';
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} else {
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$pre = 'preview_';
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}
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$url .= '&path=' . dzzencode($pre . $path);
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}
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$url = $_G['siteurl'] . $url;
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@header("Location: $url");
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exit();
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}
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} else {//没有可用的打开方式，转入下载；
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IO::download($path);
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exit();
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}
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}
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//获取文件流地址
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if (!$url = (IO::getStream($path))) {
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exit(lang('failed_get_file'));
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}
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if (is_array($url)) exit($url['error']);
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//如果是阻止运行的后缀名时，直接调用;
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if ($ext && in_array($ext, $_G['setting']['unRunExts'])) {
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$mime = 'text/plain';
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} else {
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$mime = dzz_mime::get_type($ext);
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}
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@set_time_limit(0);
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@header('Content-Type: ' . $mime);
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@ob_end_clean();
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@readfile($url);
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@flush();
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@ob_flush();
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exit();
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