mirror of
https://github.com/SagerNet/sing-box.git
synced 2024-11-23 09:01:30 +00:00
48 lines
1,004 B
Go
48 lines
1,004 B
Go
package rule
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import (
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"strings"
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"github.com/sagernet/sing-box/adapter"
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)
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var _ RuleItem = (*DomainKeywordItem)(nil)
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type DomainKeywordItem struct {
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keywords []string
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}
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func NewDomainKeywordItem(keywords []string) *DomainKeywordItem {
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return &DomainKeywordItem{keywords}
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}
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func (r *DomainKeywordItem) Match(metadata *adapter.InboundContext) bool {
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var domainHost string
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if metadata.Domain != "" {
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domainHost = metadata.Domain
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} else {
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domainHost = metadata.Destination.Fqdn
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}
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if domainHost == "" {
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return false
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}
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domainHost = strings.ToLower(domainHost)
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for _, keyword := range r.keywords {
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if strings.Contains(domainHost, keyword) {
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return true
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}
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}
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return false
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}
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func (r *DomainKeywordItem) String() string {
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kLen := len(r.keywords)
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if kLen == 1 {
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return "domain_keyword=" + r.keywords[0]
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} else if kLen > 3 {
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return "domain_keyword=[" + strings.Join(r.keywords[:3], " ") + "...]"
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} else {
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return "domain_keyword=[" + strings.Join(r.keywords, " ") + "]"
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}
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}
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