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ip.go
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ip.go
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// Copyright 2022 The casbin 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 controllers
import (
"net/http"
"strings"
"github.com/casbin/casbin-oa/ip"
)
func getIpFromRequest(req *http.Request) string {
clientIp := req.Header.Get("x-forwarded-for")
if clientIp == "" {
ipPort := strings.Split(req.RemoteAddr, ":")
if len(ipPort) >= 1 && len(ipPort) <= 2 {
clientIp = ipPort[0]
} else if len(ipPort) > 2 {
idx := strings.LastIndex(req.RemoteAddr, ":")
clientIp = req.RemoteAddr[0:idx]
clientIp = strings.TrimLeft(clientIp, "[")
clientIp = strings.TrimRight(clientIp, "]")
}
}
return clientIp
}
func (c *ApiController) IsMainlandIp() {
clientIp := getIpFromRequest(c.Ctx.Request)
isMainlandIp := ip.IsMainlandIp(clientIp)
c.Data["json"] = isMainlandIp
c.ServeJSON()
}