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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
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import (
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"fmt"
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"github.com/Dreamacro/clash/component/geodata/router"
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C "github.com/Dreamacro/clash/constant"
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)
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var geoLoaderName = "memconservative"
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// geoLoaderName = "standard"
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func LoaderName() string {
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return geoLoaderName
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}
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func SetLoader(newLoader string) {
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if newLoader == "memc" {
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newLoader = "memconservative"
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}
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geoLoaderName = newLoader
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}
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func Verify(name string) error {
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switch name {
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case C.GeositeName:
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_, _, err := LoadGeoSiteMatcher("CN")
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return err
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case C.GeoipName:
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_, _, err := LoadGeoIPMatcher("CN")
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return err
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default:
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return fmt.Errorf("not support name")
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}
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}
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func LoadGeoSiteMatcher(countryCode string) (*router.DomainMatcher, int, error) {
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if len(countryCode) == 0 {
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return nil, 0, fmt.Errorf("country code could not be empty")
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}
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not := false
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if countryCode[0] == '!' {
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not = true
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countryCode = countryCode[1:]
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}
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geoLoader, err := GetGeoDataLoader(geoLoaderName)
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if err != nil {
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return nil, 0, err
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}
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domains, err := geoLoader.LoadGeoSite(countryCode)
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if err != nil {
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return nil, 0, err
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}
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/**
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linear: linear algorithm
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matcher, err := router.NewDomainMatcher(domains)
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mph：minimal perfect hash algorithm
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*/
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matcher, err := router.NewMphMatcherGroup(domains, not)
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if err != nil {
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return nil, 0, err
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}
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return matcher, len(domains), nil
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}
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func LoadGeoIPMatcher(country string) (*router.GeoIPMatcher, int, error) {
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if len(country) == 0 {
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return nil, 0, fmt.Errorf("country code could not be empty")
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}
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geoLoader, err := GetGeoDataLoader(geoLoaderName)
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if err != nil {
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return nil, 0, err
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}
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not := false
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if country[0] == '!' {
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not = true
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country = country[1:]
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}
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records, err := geoLoader.LoadGeoIP(country)
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if err != nil {
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return nil, 0, err
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}
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geoIP := &router.GeoIP{
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CountryCode: country,
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Cidr: records,
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ReverseMatch: not,
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}
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matcher, err := router.NewGeoIPMatcher(geoIP)
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if err != nil {
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return nil, 0, err
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}
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return matcher, len(records), nil
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}
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