Files
casdoor/util/network.go
2025-07-03 02:39:06 +08:00

48 lines
1.2 KiB
Go

// Copyright 2025 The Casdoor Authors. All Rights Reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package util
import (
"net"
)
func IsInternetIp(ip string) bool {
ipStr, _, err := net.SplitHostPort(ip)
if err != nil {
ipStr = ip
}
parsedIP := net.ParseIP(ipStr)
if parsedIP == nil {
return false
}
return !parsedIP.IsPrivate() && !parsedIP.IsLoopback() && !parsedIP.IsMulticast() && !parsedIP.IsUnspecified()
}
func IsHostIntranet(ip string) bool {
ipStr, _, err := net.SplitHostPort(ip)
if err != nil {
ipStr = ip
}
parsedIP := net.ParseIP(ipStr)
if parsedIP == nil {
return false
}
return parsedIP.IsPrivate() || parsedIP.IsLoopback() || parsedIP.IsLinkLocalUnicast() || parsedIP.IsLinkLocalMulticast()
}