mirror of
https://github.com/SagerNet/sing-box.git
synced 2024-12-12 16:18:50 +00:00
48 lines
1,004 B
Go
48 lines
1,004 B
Go
package rule
|
|
|
|
import (
|
|
"strings"
|
|
|
|
"github.com/sagernet/sing-box/adapter"
|
|
)
|
|
|
|
var _ RuleItem = (*DomainKeywordItem)(nil)
|
|
|
|
type DomainKeywordItem struct {
|
|
keywords []string
|
|
}
|
|
|
|
func NewDomainKeywordItem(keywords []string) *DomainKeywordItem {
|
|
return &DomainKeywordItem{keywords}
|
|
}
|
|
|
|
func (r *DomainKeywordItem) Match(metadata *adapter.InboundContext) bool {
|
|
var domainHost string
|
|
if metadata.Domain != "" {
|
|
domainHost = metadata.Domain
|
|
} else {
|
|
domainHost = metadata.Destination.Fqdn
|
|
}
|
|
if domainHost == "" {
|
|
return false
|
|
}
|
|
domainHost = strings.ToLower(domainHost)
|
|
for _, keyword := range r.keywords {
|
|
if strings.Contains(domainHost, keyword) {
|
|
return true
|
|
}
|
|
}
|
|
return false
|
|
}
|
|
|
|
func (r *DomainKeywordItem) String() string {
|
|
kLen := len(r.keywords)
|
|
if kLen == 1 {
|
|
return "domain_keyword=" + r.keywords[0]
|
|
} else if kLen > 3 {
|
|
return "domain_keyword=[" + strings.Join(r.keywords[:3], " ") + "...]"
|
|
} else {
|
|
return "domain_keyword=[" + strings.Join(r.keywords, " ") + "]"
|
|
}
|
|
}
|