64 lines
1 KiB
Go
64 lines
1 KiB
Go
package rules
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import (
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"sync"
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C "github.com/Dreamacro/clash/constant"
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"github.com/oschwald/geoip2-golang"
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log "github.com/sirupsen/logrus"
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)
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var (
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mmdb *geoip2.Reader
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once sync.Once
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)
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type GEOIP struct {
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country string
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adapter string
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noResolveIP bool
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}
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func (g *GEOIP) RuleType() C.RuleType {
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return C.GEOIP
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}
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func (g *GEOIP) Match(metadata *C.Metadata) bool {
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ip := metadata.DstIP
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if ip == nil {
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return false
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}
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record, _ := mmdb.Country(ip)
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return record.Country.IsoCode == g.country
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}
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func (g *GEOIP) Adapter() string {
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return g.adapter
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}
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func (g *GEOIP) Payload() string {
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return g.country
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}
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func (g *GEOIP) NoResolveIP() bool {
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return g.noResolveIP
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}
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func NewGEOIP(country string, adapter string, noResolveIP bool) *GEOIP {
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once.Do(func() {
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var err error
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mmdb, err = geoip2.Open(C.Path.MMDB())
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if err != nil {
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log.Fatalf("Can't load mmdb: %s", err.Error())
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}
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})
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geoip := &GEOIP{
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country: country,
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adapter: adapter,
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noResolveIP: noResolveIP,
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}
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return geoip
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}
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