65 lines
1.5 KiB
Go
65 lines
1.5 KiB
Go
package main
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import (
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"checkIP/modules"
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"encoding/json"
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"fmt"
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"log"
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"net/http"
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"strconv"
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"strings"
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)
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func getIPInfoAndRespond(w http.ResponseWriter, r *http.Request) {
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// 获取访问者IP地址
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ip := ""
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xffHeader := r.Header.Get("X-Forwarded-For")
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if xffHeader != "" {
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// 如果X-Forwarded-For头部不为空，则使用其中的第一个IP地址
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ip = strings.Split(xffHeader, ", ")[0]
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} else {
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// 否则，使用RemoteAddr提取IP地址（可能包含端口信息）
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ip = strings.Split(r.RemoteAddr, ":")[0]
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}
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// 检查IP地址是否为空
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if ip == "" {
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w.Write([]byte("Invalid IP"))
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return
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}
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// 获取IP信息
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IPinfo := modules.GetIPInformation(ip)
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if IPinfo.IsPrivate != false {
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log.Println("tag:main", "IP: "+IPinfo.IP+", IsPrivate: "+strconv.FormatBool(IPinfo.IsPrivate)+", PrivateCIDR: "+IPinfo.PrivateCIDR)
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} else {
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log.Println("tag:main", "IP: "+IPinfo.IP+", IsPrivate: "+strconv.FormatBool(IPinfo.IsPrivate))
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}
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// 检查是否为私有IP
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if IPinfo.IsPrivate == true {
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w.Write([]byte("Invalid IP"))
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return
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}
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// 使用mmdb查询ip
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IpIformation := modules.MmdbQueryIP(IPinfo.IP)
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log.Println("tag:main", IpIformation)
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jsonData, err := json.Marshal(IpIformation)
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if err != nil {
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fmt.Println("JSON 序列化失败:", err)
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return
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}
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// 设置响应的 Content-Type 为 application/json
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w.Header().Set("Content-Type", "application/json")
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// 返回 JSON 数据
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w.Write(jsonData)
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}
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func main() {
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http.HandleFunc("/", getIPInfoAndRespond)
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http.ListenAndServe(":8341", nil)
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}
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