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