[Fix]GeoSite.dat initial in logic rule

rule/logic/common.go

@@ -3,11 +3,13 @@ package logic
 import (
 	"fmt"
 	"github.com/Dreamacro/clash/common/collections"
-	"github.com/Dreamacro/clash/config"
 	C "github.com/Dreamacro/clash/constant"
 	"github.com/Dreamacro/clash/log"
 	RC "github.com/Dreamacro/clash/rule/common"
 	"github.com/Dreamacro/clash/rule/provider"
+	"io"
+	"net/http"
+	"os"
 	"regexp"
 	"strings"
 )
@@ -55,7 +57,7 @@ func payloadToRule(subPayload string) (C.Rule, error) {
 		return parseRule(tp, payload, nil)
 	}
 	if tp == "GEOSITE" {
-		if err := config.InitGeoSite(); err != nil {
+		if err := initGeoSite(); err != nil {
 			log.Errorln("can't initial GeoSite: %w", err)
 		}
 	}
@@ -173,3 +175,32 @@ func findSubRuleRange(payload string, ruleRanges []Range) []Range {
 
 	return subRuleRange
 }
+
+func downloadGeoSite(path string) (err error) {
+	resp, err := http.Get("https://cdn.jsdelivr.net/gh/Loyalsoldier/v2ray-rules-dat@release/geosite.dat")
+	if err != nil {
+		return
+	}
+	defer resp.Body.Close()
+
+	f, err := os.OpenFile(path, os.O_CREATE|os.O_WRONLY, 0o644)
+	if err != nil {
+		return err
+	}
+	defer f.Close()
+	_, err = io.Copy(f, resp.Body)
+
+	return err
+}
+
+func initGeoSite() error {
+	if _, err := os.Stat(C.Path.GeoSite()); os.IsNotExist(err) {
+		log.Infoln("Need GeoSite but can't find GeoSite.dat, start download")
+		if err := downloadGeoSite(C.Path.GeoSite()); err != nil {
+			return fmt.Errorf("can't download GeoSite.dat: %s", err.Error())
+		}
+		log.Infoln("Download GeoSite.dat finish")
+	}
+
+	return nil
+}