gogs/pkg/tool/path.go

24 lines
680 B
Go

// Copyright 2018 The Gogs Authors. All rights reserved.
// Use of this source code is governed by a MIT-style
// license that can be found in the LICENSE file.
package tool
import (
"strings"
)
// IsSameSiteURLPath returns true if the URL path belongs to the same site, false otherwise.
// False: //url, http://url, /\url
// True: /url
func IsSameSiteURLPath(url string) bool {
return len(url) >= 2 && url[0] == '/' && url[1] != '/' && url[1] != '\\'
}
// SanitizePath sanitizes user-defined file paths to prevent remote code execution.
func SanitizePath(path string) string {
path = strings.TrimLeft(path, "/")
path = strings.Replace(path, "../", "", -1)
return path
}