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74 lines
1.3 KiB
Go
74 lines
1.3 KiB
Go
package common
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import (
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"github.com/metacubex/mihomo/component/geodata"
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"github.com/metacubex/mihomo/component/mmdb"
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C "github.com/metacubex/mihomo/constant"
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"github.com/metacubex/mihomo/log"
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)
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type ASN struct {
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*Base
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asn string
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adapter string
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noResolveIP bool
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isSourceIP bool
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}
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func (a *ASN) Match(metadata *C.Metadata, helper C.RuleMatchHelper) (bool, string) {
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if !a.noResolveIP && !a.isSourceIP && helper.ResolveIP != nil {
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helper.ResolveIP()
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}
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ip := metadata.DstIP
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if a.isSourceIP {
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ip = metadata.SrcIP
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}
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if !ip.IsValid() {
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return false, ""
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}
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asn, aso := mmdb.ASNInstance().LookupASN(ip.AsSlice())
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if a.isSourceIP {
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metadata.SrcIPASN = asn + " " + aso
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} else {
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metadata.DstIPASN = asn + " " + aso
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}
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return a.asn == asn, a.adapter
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}
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func (a *ASN) RuleType() C.RuleType {
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if a.isSourceIP {
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return C.SrcIPASN
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}
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return C.IPASN
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}
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func (a *ASN) Adapter() string {
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return a.adapter
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}
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func (a *ASN) Payload() string {
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return a.asn
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}
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func (a *ASN) GetASN() string {
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return a.asn
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}
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func NewIPASN(asn string, adapter string, isSrc, noResolveIP bool) (*ASN, error) {
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if err := geodata.InitASN(); err != nil {
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log.Errorln("can't initial ASN: %s", err)
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return nil, err
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}
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return &ASN{
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Base: &Base{},
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asn: asn,
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adapter: adapter,
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noResolveIP: noResolveIP,
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isSourceIP: isSrc,
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}, nil
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}
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