移除节点归属地查询功能，归属地查询放到网关实现；优化节点上线流程，网关根据节点状态提交增量更新数据

gateway/app/geo.go

@@ -0,0 +1,79 @@
+package app
+
+import (
+	"encoding/json"
+	"fmt"
+	"io"
+	"log/slog"
+	"net"
+	"net/http"
+	g "proxy-server/gateway/globals"
+	"strings"
+)
+
+const base = "https://whois.pconline.com.cn/ipJson.jsp?json=true&ip="
+
+func IpGeo(ip net.IP) (info *IpGeoInfo, err error) {
+	defer func() {
+		var rs = recover()
+		if reErr, ok := rs.(error); ok {
+			err = fmt.Errorf("执行归属地查询异常 %w", reErr)
+		}
+	}()
+
+	// 本地归属地查询
+	str, err := g.Geo.SearchByStr(ip.String())
+	if err != nil {
+		return nil, err
+	}
+	if str != "" {
+		slog.Debug("本地解析归属地结果", "str", str)
+		values := strings.Split(str, "|")
+		if len(values) != 5 {
+			return nil, fmt.Errorf("本地归属地查询解析失败")
+		}
+		return &IpGeoInfo{
+			Prov: values[2],
+			City: values[3],
+			Isp:  values[4],
+		}, nil
+	}
+
+	// 归属地查询
+	var url = base + ip.String()
+	resp, err := http.Get(url)
+	if err != nil {
+		return nil, fmt.Errorf("查询归属地失败: %w", err)
+	}
+	if resp.StatusCode != http.StatusOK {
+		return nil, fmt.Errorf("查询归属地失败: %s", resp.Status)
+	}
+	defer func(Body io.ReadCloser) {
+		_ = Body.Close()
+	}(resp.Body)
+
+	// 返回节点信息
+	var bytes []byte
+	_, err = io.ReadFull(resp.Body, bytes)
+	if err != nil {
+		return nil, fmt.Errorf("读取归属地响应失败: %w", err)
+	}
+
+	var body = make(map[string]any)
+	err = json.Unmarshal(bytes, &body)
+	if err != nil {
+		return nil, fmt.Errorf("解析归属地响应失败: %w", err)
+	}
+
+	return &IpGeoInfo{
+		Prov: body["pro"].(string),
+		City: body["city"].(string),
+		Isp:  strings.Split(body["addr"].(string), " ")[1],
+	}, nil
+}
+
+type IpGeoInfo struct {
+	Prov string
+	City string
+	Isp  string
+}