mirror of
https://github.com/MetaCubeX/mihomo.git
synced 2024-11-16 19:56:51 +08:00
141 lines
2.8 KiB
Go
141 lines
2.8 KiB
Go
package mmdb
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import (
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"context"
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"io"
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"net/http"
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"os"
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"sync"
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"time"
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mihomoOnce "github.com/metacubex/mihomo/common/once"
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mihomoHttp "github.com/metacubex/mihomo/component/http"
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C "github.com/metacubex/mihomo/constant"
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"github.com/metacubex/mihomo/log"
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"github.com/oschwald/maxminddb-golang"
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)
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type databaseType = uint8
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const (
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typeMaxmind databaseType = iota
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typeSing
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typeMetaV0
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)
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var (
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IPreader IPReader
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ASNreader ASNReader
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IPonce sync.Once
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ASNonce sync.Once
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)
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func LoadFromBytes(buffer []byte) {
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IPonce.Do(func() {
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mmdb, err := maxminddb.FromBytes(buffer)
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if err != nil {
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log.Fatalln("Can't load mmdb: %s", err.Error())
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}
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IPreader = IPReader{Reader: mmdb}
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switch mmdb.Metadata.DatabaseType {
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case "sing-geoip":
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IPreader.databaseType = typeSing
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case "Meta-geoip0":
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IPreader.databaseType = typeMetaV0
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default:
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IPreader.databaseType = typeMaxmind
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}
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})
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}
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func Verify(path string) bool {
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instance, err := maxminddb.Open(path)
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if err == nil {
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instance.Close()
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}
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return err == nil
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}
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func IPInstance() IPReader {
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IPonce.Do(func() {
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mmdbPath := C.Path.MMDB()
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log.Infoln("Load MMDB file: %s", mmdbPath)
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mmdb, err := maxminddb.Open(mmdbPath)
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if err != nil {
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log.Fatalln("Can't load MMDB: %s", err.Error())
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}
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IPreader = IPReader{Reader: mmdb}
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switch mmdb.Metadata.DatabaseType {
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case "sing-geoip":
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IPreader.databaseType = typeSing
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case "Meta-geoip0":
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IPreader.databaseType = typeMetaV0
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default:
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IPreader.databaseType = typeMaxmind
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}
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})
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return IPreader
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}
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func DownloadMMDB(path string) (err error) {
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ctx, cancel := context.WithTimeout(context.Background(), time.Second*90)
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defer cancel()
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resp, err := mihomoHttp.HttpRequest(ctx, C.MmdbUrl, http.MethodGet, http.Header{"User-Agent": {C.UA}}, nil)
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if err != nil {
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return
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}
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defer resp.Body.Close()
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f, err := os.OpenFile(path, os.O_CREATE|os.O_WRONLY, 0o644)
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if err != nil {
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return err
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}
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defer f.Close()
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_, err = io.Copy(f, resp.Body)
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return err
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}
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func ASNInstance() ASNReader {
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ASNonce.Do(func() {
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ASNPath := C.Path.ASN()
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log.Infoln("Load ASN file: %s", ASNPath)
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asn, err := maxminddb.Open(ASNPath)
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if err != nil {
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log.Fatalln("Can't load ASN: %s", err.Error())
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}
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ASNreader = ASNReader{Reader: asn}
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})
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return ASNreader
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}
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func DownloadASN(path string) (err error) {
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ctx, cancel := context.WithTimeout(context.Background(), time.Second*90)
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defer cancel()
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resp, err := mihomoHttp.HttpRequest(ctx, C.ASNUrl, http.MethodGet, http.Header{"User-Agent": {C.UA}}, nil)
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if err != nil {
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return
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}
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defer resp.Body.Close()
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f, err := os.OpenFile(path, os.O_CREATE|os.O_WRONLY, 0o644)
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if err != nil {
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return err
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}
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defer f.Close()
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_, err = io.Copy(f, resp.Body)
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return err
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}
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func ReloadIP() {
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mihomoOnce.Reset(&IPonce)
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}
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func ReloadASN() {
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mihomoOnce.Reset(&ASNonce)
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}
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