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ip.go
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ip.go
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/*
* Copyright (c) 2019. ENNOO - 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 ip ip工具
package ip
import (
"net"
"net/http"
)
// Get 返回客户端 IP
func Get(req *http.Request) string {
remoteAddr := req.RemoteAddr
if ip := req.Header.Get("X-Real-IP"); ip != "" {
remoteAddr = ip
} else if ip = req.Header.Get("X-Forwarded-For"); ip != "" {
remoteAddr = ip
} else {
remoteAddr, _, _ = net.SplitHostPort(remoteAddr)
}
if remoteAddr == "::1" {
remoteAddr = "127.0.0.1"
}
return remoteAddr
}