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102 lines
2.1 KiB
Go
102 lines
2.1 KiB
Go
package common
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import (
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"fmt"
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"strings"
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"github.com/Dreamacro/clash/component/geodata"
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"github.com/Dreamacro/clash/component/geodata/router"
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"github.com/Dreamacro/clash/component/mmdb"
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"github.com/Dreamacro/clash/component/resolver"
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C "github.com/Dreamacro/clash/constant"
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"github.com/Dreamacro/clash/log"
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)
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type GEOIP struct {
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*Base
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country string
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adapter string
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noResolveIP bool
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geoIPMatcher *router.GeoIPMatcher
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recodeSize int
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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, string) {
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ip := metadata.DstIP
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if !ip.IsValid() {
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return false, ""
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}
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if strings.EqualFold(g.country, "LAN") {
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return ip.IsPrivate() ||
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ip.IsUnspecified() ||
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ip.IsLoopback() ||
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ip.IsMulticast() ||
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ip.IsLinkLocalUnicast() ||
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resolver.IsFakeBroadcastIP(ip), g.adapter
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}
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if !C.GeodataMode {
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record, _ := mmdb.Instance().Country(ip.AsSlice())
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return strings.EqualFold(record.Country.IsoCode, g.country), g.adapter
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}
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return g.geoIPMatcher.Match(ip.AsSlice()), g.adapter
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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) ShouldResolveIP() bool {
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return !g.noResolveIP
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}
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func (g *GEOIP) GetCountry() string {
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return g.country
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}
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func (g *GEOIP) GetIPMatcher() *router.GeoIPMatcher {
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return g.geoIPMatcher
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}
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func (g *GEOIP) GetRecodeSize() int {
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return g.recodeSize
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}
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func NewGEOIP(country string, adapter string, noResolveIP bool) (*GEOIP, error) {
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if !C.GeodataMode || strings.EqualFold(country, "LAN") {
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geoip := &GEOIP{
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Base: &Base{},
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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, nil
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}
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geoIPMatcher, size, err := geodata.LoadGeoIPMatcher(country)
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if err != nil {
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return nil, fmt.Errorf("[GeoIP] %s", err.Error())
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}
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log.Infoln("Start initial GeoIP rule %s => %s, records: %d", country, adapter, size)
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geoip := &GEOIP{
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Base: &Base{},
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country: country,
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adapter: adapter,
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noResolveIP: noResolveIP,
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geoIPMatcher: geoIPMatcher,
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recodeSize: size,
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}
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return geoip, nil
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}
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//var _ C.Rule = (*GEOIP)(nil)
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