mirror of https://github.com/casbin/casnode.git
89 lines
2.1 KiB
Go
89 lines
2.1 KiB
Go
// Copyright 2020 The casbin Authors. All Rights Reserved.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package util
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import (
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"fmt"
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"io/ioutil"
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"net/http"
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"os"
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"strings"
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"github.com/astaxie/beego/context"
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"github.com/astaxie/beego/logs"
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)
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func GetIPInfo(clientIP string) string {
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if clientIP == "" {
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return ""
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}
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ips := strings.Split(clientIP, ",")
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res := ""
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for i := range ips {
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ip := strings.TrimSpace(ips[i])
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desc := "" // GetDescFromIP(ip)
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ipstr := fmt.Sprintf("%s: %s", ip, desc)
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if i != len(ips)-1 {
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res += ipstr + " -> "
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} else {
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res += ipstr
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}
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}
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return res
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}
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func getIPFromRequest(req *http.Request) string {
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clientIP := req.Header.Get("x-forwarded-for")
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if clientIP == "" {
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ipPort := strings.Split(req.RemoteAddr, ":")
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if len(ipPort) >= 1 && len(ipPort) <= 2 {
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clientIP = ipPort[0]
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} else if len(ipPort) > 2 {
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idx := strings.LastIndex(req.RemoteAddr, ":")
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clientIP = req.RemoteAddr[0:idx]
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clientIP = strings.TrimLeft(clientIP, "[")
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clientIP = strings.TrimRight(clientIP, "]")
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}
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}
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return GetIPInfo(clientIP)
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}
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func LogInfo(ctx *context.Context, f string, v ...interface{}) {
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ipString := fmt.Sprintf("(%s) ", getIPFromRequest(ctx.Request))
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logs.Info(ipString+f, v...)
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}
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func LogWarning(ctx *context.Context, f string, v ...interface{}) {
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ipString := fmt.Sprintf("(%s) ", getIPFromRequest(ctx.Request))
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logs.Warning(ipString+f, v...)
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}
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func ReadLog() []string {
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f, err := os.Open("logs/casnode.log")
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if err != nil {
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panic(err)
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}
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bytes, err := ioutil.ReadAll(f)
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if err != nil {
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panic(err)
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}
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return strings.Split(string(bytes), "\n")
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}
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