clash/rules/common/domain_keyword.go
2022-06-18 18:13:54 +08:00

47 lines
915 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
rawKeyword string
}
func (dk *DomainKeyword) RuleType() C.RuleType {
return C.DomainKeyword
}
func (dk *DomainKeyword) Match(metadata *C.Metadata) bool {
if metadata.AddrType != C.AtypDomainName {
return false
}
domain := metadata.Host
return strings.Contains(domain, dk.keyword)
}
func (dk *DomainKeyword) Adapter() string {
return dk.adapter
}
func (dk *DomainKeyword) Payload() string {
return dk.rawKeyword
}
func NewDomainKeyword(keyword string, adapter string) *DomainKeyword {
actualDomainKeyword, _ := idna.ToASCII(keyword)
return &DomainKeyword{
Base: &Base{},
keyword: strings.ToLower(actualDomainKeyword),
adapter: adapter,
rawKeyword: keyword,
}
}
var _ C.Rule = (*DomainKeyword)(nil)