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修改文件上传，文件后缀验证机制

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邹景立 2021-09-15 16:34:12 +08:00
parent b1fab14623
commit 0bf173c5d7
1 changed files with 1 additions and 1 deletions
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2
app/admin/controller/api/Upload.php
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@ -112,7 +112,7 @@ class Upload extends Controller
$extension = strtolower($file->getOriginalExtension()); $extension = strtolower($file->getOriginalExtension());
$saveName = input('key') ?: Storage::name($file->getPathname(), $extension, '', 'md5_file'); $saveName = input('key') ?: Storage::name($file->getPathname(), $extension, '', 'md5_file');
// 检查文件后缀是否被恶意修改 // 检查文件后缀是否被恶意修改
if (ltrim(strtolower(strrchr($saveName, '.')), '.') !== $extension) { if (pathinfo(parse_url($saveName, PHP_URL_PATH), PATHINFO_EXTENSION) !== $extension) {
$this->error('文件后缀异常，请重新上传文件！'); $this->error('文件后缀异常，请重新上传文件！');
} }
// 屏蔽禁止上传指定后缀的文件 // 屏蔽禁止上传指定后缀的文件