Clash.Meta/rules/common/domain_keyword.go
2022-11-11 09:19:50 +08:00

49 lines
952 B
Go

package common
import (
"golang.org/x/net/idna"
"strings"
C "github.com/Dreamacro/clash/constant"
)
type DomainKeyword struct {
*Base
keyword string
adapter string
isIDNA bool
}
func (dk *DomainKeyword) RuleType() C.RuleType {
return C.DomainKeyword
}
func (dk *DomainKeyword) Match(metadata *C.Metadata) (bool, string) {
domain := metadata.Host
return strings.Contains(domain, dk.keyword), dk.adapter
}
func (dk *DomainKeyword) Adapter() string {
return dk.adapter
}
func (dk *DomainKeyword) Payload() string {
keyword := dk.keyword
if dk.isIDNA {
keyword, _ = idna.ToUnicode(keyword)
}
return keyword
}
func NewDomainKeyword(keyword string, adapter string) *DomainKeyword {
actualDomainKeyword, _ := idna.ToASCII(keyword)
return &DomainKeyword{
Base: &Base{},
keyword: strings.ToLower(actualDomainKeyword),
adapter: adapter,
isIDNA: keyword != actualDomainKeyword,
}
}
//var _ C.Rule = (*DomainKeyword)(nil)