clash/rule/domain_keyword.go

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package rules
import (
"strings"
C "github.com/Dreamacro/clash/constant"
)
type DomainKeyword struct {
keyword string
adapter string
ruleExtra *C.RuleExtra
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}
func (dk *DomainKeyword) RuleType() C.RuleType {
return C.DomainKeyword
}
func (dk *DomainKeyword) Match(metadata *C.Metadata) bool {
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if metadata.AddrType != C.AtypDomainName {
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return false
}
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domain := metadata.Host
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return strings.Contains(domain, dk.keyword)
}
func (dk *DomainKeyword) Adapter() string {
return dk.adapter
}
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func (dk *DomainKeyword) Payload() string {
return dk.keyword
}
func (dk *DomainKeyword) ShouldResolveIP() bool {
return false
}
func (dk *DomainKeyword) RuleExtra() *C.RuleExtra {
return dk.ruleExtra
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}
func NewDomainKeyword(keyword string, adapter string, ruleExtra *C.RuleExtra) *DomainKeyword {
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return &DomainKeyword{
keyword: strings.ToLower(keyword),
adapter: adapter,
ruleExtra: ruleExtra,
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}
}