feat: RESTful API support update Geo file

and can set update url by user, eg.
geox-url:
  geoip: "http://xxxx/gepip.dat"
  mmdb: "http://xxxx/country.mmdb"
  geosite: "http://xxxx/geosite.dat"

config/config.go

@@ -219,11 +219,18 @@ type RawConfig struct {
 	IPTables      IPTables                  `yaml:"iptables"`
 	Experimental  Experimental              `yaml:"experimental"`
 	Profile       Profile                   `yaml:"profile"`
+	GeoXUrl       RawGeoXUrl                `yaml:"geox-url"`
 	Proxy         []map[string]any          `yaml:"proxies"`
 	ProxyGroup    []map[string]any          `yaml:"proxy-groups"`
 	Rule          []string                  `yaml:"rules"`
 }
 
+type RawGeoXUrl struct {
+	GeoIp   string `yaml:"geoip" json:"geoip"`
+	Mmdb    string `yaml:"mmdb" json:"mmdb"`
+	GeoSite string `yaml:"geosite" json:"geosite"`
+}
+
 type RawSniffer struct {
 	Enable      bool     `yaml:"enable" json:"enable"`
 	Sniffing    []string `yaml:"sniffing" json:"sniffing"`
@@ -309,6 +316,11 @@ func UnmarshalRawConfig(buf []byte) (*RawConfig, error) {
 		Profile: Profile{
 			StoreSelected: true,
 		},
+		GeoXUrl: RawGeoXUrl{
+			GeoIp:   "https://raw.githubusercontents.com/Loyalsoldier/v2ray-rules-dat/release/geoip.dat",
+			Mmdb:    "https://raw.githubusercontents.com/Loyalsoldier/geoip/release/Country.mmdb",
+			GeoSite: "https://raw.githubusercontents.com/Loyalsoldier/v2ray-rules-dat/release/geosite.dat",
+		},
 	}
 
 	if err := yaml.Unmarshal(buf, rawCfg); err != nil {

config/initial.go

@@ -15,7 +15,7 @@ import (
 var initMode = true
 
 func downloadMMDB(path string) (err error) {
-	resp, err := http.Get("https://raw.githubusercontents.com/Loyalsoldier/geoip/release/Country.mmdb")
+	resp, err := http.Get(C.MmdbUrl)
 	if err != nil {
 		return
 	}
@@ -32,7 +32,7 @@ func downloadMMDB(path string) (err error) {
 }
 
 func downloadGeoIP(path string) (err error) {
-	resp, err := http.Get("https://raw.githubusercontents.com/Loyalsoldier/v2ray-rules-dat/release/geoip.dat")
+	resp, err := http.Get(C.GeoIpUrl)
 	if err != nil {
 		return
 	}
@@ -49,7 +49,7 @@ func downloadGeoIP(path string) (err error) {
 }
 
 func downloadGeoSite(path string) (err error) {
-	resp, err := http.Get("https://raw.githubusercontents.com/Loyalsoldier/v2ray-rules-dat/release/geosite.dat")
+	resp, err := http.Get(C.GeoSiteUrl)
 	if err != nil {
 		return
 	}
@@ -74,8 +74,8 @@ func initGeoSite() error {
 		log.Infoln("Download GeoSite.dat finish")
 	}
 	if initMode {
-		if !geodata.Verify(C.GeositeName) {
-			log.Warnln("GeoSite.dat invalid, remove and download")
+		if err := geodata.Verify(C.GeositeName); err != nil {
+			log.Warnln("GeoSite.dat invalid, remove and download: %s", err)
 			if err := os.Remove(C.Path.GeoSite()); err != nil {
 				return fmt.Errorf("can't remove invalid GeoSite.dat: %s", err.Error())
 			}
@@ -97,8 +97,8 @@ func initGeoIP() error {
 			log.Infoln("Download GeoIP.dat finish")
 		}
 
-		if !geodata.Verify(C.GeoipName) {
-			log.Warnln("GeoIP.dat invalid, remove and download")
+		if err := geodata.Verify(C.GeoipName); err != nil {
+			log.Warnln("GeoIP.dat invalid, remove and download: %s", err)
 			if err := os.Remove(C.Path.GeoIP()); err != nil {
 				return fmt.Errorf("can't remove invalid GeoIP.dat: %s", err.Error())
 			}
@@ -158,6 +158,9 @@ func Init(dir string) error {
 	}
 	if !C.GeodataMode {
 		C.GeodataMode = rawCfg.GeodataMode
+		C.GeoIpUrl = rawCfg.GeoXUrl.GeoIp
+		C.GeoSiteUrl = rawCfg.GeoXUrl.GeoSite
+		C.MmdbUrl = rawCfg.GeoXUrl.Mmdb
 	}
 	// initial GeoIP
 	if err := initGeoIP(); err != nil {

config/updateGeo.go

@@ -0,0 +1,82 @@
+package config
+
+import (
+	"fmt"
+	"github.com/Dreamacro/clash/component/geodata"
+	_ "github.com/Dreamacro/clash/component/geodata/standard"
+	C "github.com/Dreamacro/clash/constant"
+	"github.com/oschwald/geoip2-golang"
+	"os"
+	"runtime"
+)
+
+func UpdateGeoDatabases() error {
+	var (
+		tmpMMDB    = C.Path.Resolve("temp_country.mmdb")
+		tmpGepIP   = C.Path.Resolve("temp_geoip.dat")
+		tmpGeoSite = C.Path.Resolve("temp_geosite.dat")
+	)
+
+	if C.GeodataMode {
+		if err := downloadGeoIP(tmpGepIP); err != nil {
+			return fmt.Errorf("can't download MMDB database file: %w", err)
+		}
+
+		if err := verifyGeoSite("temp_geoip.dat"); err != nil {
+			_ = os.Remove(tmpGepIP)
+			return fmt.Errorf("invalid GeoIP database file: %s", err)
+		}
+
+		if err := os.Rename(tmpGepIP, C.Path.GeoIP()); err != nil {
+			return fmt.Errorf("can't rename MMDB database file: %w", err)
+		}
+
+	} else {
+		if err := downloadMMDB(tmpMMDB); err != nil {
+			return fmt.Errorf("can't download MMDB database file: %w", err)
+		}
+
+		if err := verifyMMDB("temp_country.mmdb"); err != nil {
+			_ = os.Remove(tmpMMDB)
+			return fmt.Errorf("invalid MMDB database file: %s", err)
+		}
+
+		if err := os.Rename(tmpMMDB, C.Path.MMDB()); err != nil {
+			return fmt.Errorf("can't rename MMDB database file: %w", err)
+		}
+	}
+
+	if err := downloadGeoSite(tmpGeoSite); err != nil {
+		return fmt.Errorf("can't download GeoSite database file: %w", err)
+	}
+
+	if err := verifyGeoSite("temp_geosite.dat"); err != nil {
+		_ = os.Remove(tmpGeoSite)
+		return fmt.Errorf("invalid GeoSite database file: %s", err)
+	}
+
+	if err := os.Rename(tmpGeoSite, C.Path.GeoSite()); err != nil {
+		return fmt.Errorf("can't rename GeoSite database file: %w", err)
+	}
+	runtime.GC()
+	return nil
+}
+
+func verifyMMDB(path string) error {
+	instance, err := geoip2.Open(path)
+	if err == nil {
+		_ = instance.Close()
+	}
+	return err
+}
+
+func verifyGeoSite(path string) error {
+	geoLoader, err := geodata.GetGeoDataLoader("standard")
+	if err != nil {
+		return err
+	}
+
+	_, err = geoLoader.LoadSite(path, "cn")
+
+	return err
+}