160 lines
3.2 KiB
Go
160 lines
3.2 KiB
Go
package geo
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import (
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"bufio"
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"encoding/json"
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"fmt"
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"io"
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"net/http"
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"net/textproto"
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"proxy-server/edge/env"
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"strings"
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)
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var (
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Ip string
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Prov string
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City string
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Isp string
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)
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func Query() (err error) {
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switch env.Mode {
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case "dev":
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err = dev()
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default:
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err = ipapi()
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}
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return err
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}
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func dev() (err error) {
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Prov = "河南省"
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City = "郑州市"
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Isp = "电信"
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return nil
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}
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func cip() (err error) {
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//goland:noinspection HttpUrlsUsage
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const endpoint = "http://cip.cc"
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req, err := http.NewRequest("GET", endpoint, nil)
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if err != nil {
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return fmt.Errorf("创建请求失败: %w", err)
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}
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req.Header.Set("User-Agent", "curl/8.9.1")
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req.Header.Set("Accept", "*/*")
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resp, err := http.DefaultClient.Do(req)
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if err != nil {
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return fmt.Errorf("执行请求失败: %w", err)
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}
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defer func(Body io.ReadCloser) {
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_ = Body.Close()
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}(resp.Body)
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if resp.StatusCode != http.StatusOK {
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return fmt.Errorf("状态码: %s", resp.Status)
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}
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reader := textproto.NewReader(bufio.NewReader(resp.Body))
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ipLine, err := reader.ReadLine()
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if err != nil {
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return fmt.Errorf("读取响应失败: %w", err)
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}
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Ip = strings.TrimSpace(strings.Split(ipLine, ":")[1])
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addrLine, err := reader.ReadLine()
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if err != nil {
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return fmt.Errorf("读取响应失败: %w", err)
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}
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addr := strings.Split(strings.Split(addrLine, ":")[1], " ")
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Prov = strings.TrimSpace(addr[1])
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City = strings.TrimSpace(addr[2])
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ispLine, err := reader.ReadLine()
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if err != nil {
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return fmt.Errorf("读取响应失败: %w", err)
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}
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Isp = strings.TrimSpace(strings.Split(ispLine, ":")[1])
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return nil
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}
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func ipapi() (err error) {
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//goland:noinspection HttpUrlsUsage
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const endpoint = "http://ip-api.com/json/?fields=regionName,city,as,query&lang=zh-CN"
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resp, err := http.Get(endpoint)
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if err != nil {
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return fmt.Errorf("执行请求失败: %w", err)
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}
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defer func(Body io.ReadCloser) {
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_ = Body.Close()
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}(resp.Body)
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if resp.StatusCode != http.StatusOK {
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return fmt.Errorf("状态码: %s", resp.Status)
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}
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var data struct {
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RegionName string `json:"regionName"`
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City string `json:"city"`
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As string `json:"as"`
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Query string `json:"query"`
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}
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err = json.NewDecoder(resp.Body).Decode(&data)
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if err != nil {
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return fmt.Errorf("解析响应失败: %w", err)
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}
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Ip = data.Query
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Prov = data.RegionName
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City = data.City
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var telecom = []string{"AS4134", "AS4812", "AS134419", "AS140292"}
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var unicom = []string{"AS4837", "AS17621", "AS17816"}
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var mobile = []string{
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"AS9808", "AS24444", "AS24445", "AS24547", "AS38019",
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"AS56040", "AS56041", "AS56042", "AS56044", "AS56046", "AS56047",
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"AS132525", "AS134810",
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}
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var foreign = []string{
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"AS9299",
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}
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for _, telecomAsn := range telecom {
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if strings.HasPrefix(data.As, telecomAsn) {
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Isp = "电信"
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break
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}
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}
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if Isp == "" {
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for _, unicomAsn := range unicom {
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if strings.HasPrefix(data.As, unicomAsn) {
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Isp = "联通"
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break
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}
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}
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}
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if Isp == "" {
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for _, mobileAsn := range mobile {
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if strings.HasPrefix(data.As, mobileAsn) {
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Isp = "移动"
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break
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}
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}
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}
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if Isp == "" {
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for _, foreignAsn := range foreign {
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if strings.HasPrefix(data.As, foreignAsn) {
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Isp = "国外"
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break
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}
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}
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}
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return nil
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}
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