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Update Upload.php

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This commit is contained in:
邹景立 2021-09-15 17:00:56 +08:00
parent 29b05dee3d
commit 8dc5846faa
1 changed files with 2 additions and 0 deletions
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2
app/admin/controller/api/Upload.php
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@ -111,6 +111,8 @@ class Upload extends Controller
$safeMode = $this->getSafe();
$extension = strtolower($file->getOriginalExtension());
$saveName = input('key') ?: Storage::name($file->getPathname(), $extension, '', 'md5_file');
// 检查文件名称是否合法
if (strpos($saveName, '../') !== false) $this->error('文件路径不能出现跳级操作！');
// 检查文件后缀是否被恶意修改
if (pathinfo(parse_url($saveName, PHP_URL_PATH), PATHINFO_EXTENSION) !== $extension) {
$this->error('文件后缀异常，请重新上传文件！');