mirror of
https://gitclone.com/github.com/MetaCubeX/Clash.Meta
synced 2024-11-15 05:31:18 +08:00
7431001ed6
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"
104 lines
1.9 KiB
Go
104 lines
1.9 KiB
Go
package geodata
|
||
|
||
import (
|
||
"fmt"
|
||
"github.com/Dreamacro/clash/component/geodata/router"
|
||
C "github.com/Dreamacro/clash/constant"
|
||
)
|
||
|
||
var geoLoaderName = "memconservative"
|
||
|
||
// geoLoaderName = "standard"
|
||
|
||
func LoaderName() string {
|
||
return geoLoaderName
|
||
}
|
||
|
||
func SetLoader(newLoader string) {
|
||
if newLoader == "memc" {
|
||
newLoader = "memconservative"
|
||
}
|
||
geoLoaderName = newLoader
|
||
}
|
||
|
||
func Verify(name string) error {
|
||
switch name {
|
||
case C.GeositeName:
|
||
_, _, err := LoadGeoSiteMatcher("CN")
|
||
return err
|
||
case C.GeoipName:
|
||
_, _, err := LoadGeoIPMatcher("CN")
|
||
return err
|
||
default:
|
||
return fmt.Errorf("not support name")
|
||
}
|
||
}
|
||
|
||
func LoadGeoSiteMatcher(countryCode string) (*router.DomainMatcher, int, error) {
|
||
if len(countryCode) == 0 {
|
||
return nil, 0, fmt.Errorf("country code could not be empty")
|
||
}
|
||
|
||
not := false
|
||
if countryCode[0] == '!' {
|
||
not = true
|
||
countryCode = countryCode[1:]
|
||
}
|
||
|
||
geoLoader, err := GetGeoDataLoader(geoLoaderName)
|
||
if err != nil {
|
||
return nil, 0, err
|
||
}
|
||
|
||
domains, err := geoLoader.LoadGeoSite(countryCode)
|
||
if err != nil {
|
||
return nil, 0, err
|
||
}
|
||
|
||
/**
|
||
linear: linear algorithm
|
||
matcher, err := router.NewDomainMatcher(domains)
|
||
mph：minimal perfect hash algorithm
|
||
*/
|
||
matcher, err := router.NewMphMatcherGroup(domains, not)
|
||
if err != nil {
|
||
return nil, 0, err
|
||
}
|
||
|
||
return matcher, len(domains), nil
|
||
}
|
||
|
||
func LoadGeoIPMatcher(country string) (*router.GeoIPMatcher, int, error) {
|
||
if len(country) == 0 {
|
||
return nil, 0, fmt.Errorf("country code could not be empty")
|
||
}
|
||
geoLoader, err := GetGeoDataLoader(geoLoaderName)
|
||
if err != nil {
|
||
return nil, 0, err
|
||
}
|
||
|
||
not := false
|
||
if country[0] == '!' {
|
||
not = true
|
||
country = country[1:]
|
||
}
|
||
|
||
records, err := geoLoader.LoadGeoIP(country)
|
||
if err != nil {
|
||
return nil, 0, err
|
||
}
|
||
|
||
geoIP := &router.GeoIP{
|
||
CountryCode: country,
|
||
Cidr: records,
|
||
ReverseMatch: not,
|
||
}
|
||
|
||
matcher, err := router.NewGeoIPMatcher(geoIP)
|
||
if err != nil {
|
||
return nil, 0, err
|
||
}
|
||
|
||
return matcher, len(records), nil
|
||
}
|