package route import ( "strings" "github.com/sagernet/sing-box/adapter" "github.com/sagernet/sing/common/domain" ) var _ RuleItem = (*DomainItem)(nil) type DomainItem struct { matcher *domain.Matcher description string } func NewDomainItem(domains []string, domainSuffixes []string) *DomainItem { var description string if dLen := len(domains); dLen > 0 { if dLen == 1 { description = "domain=" + domains[0] } else if dLen > 3 { description = "domain=[" + strings.Join(domains[:3], " ") + "...]" } else { description = "domain=[" + strings.Join(domains, " ") + "]" } } if dsLen := len(domainSuffixes); dsLen > 0 { if len(description) > 0 { description += " " } if dsLen == 1 { description += "domain_suffix=" + domainSuffixes[0] } else if dsLen > 3 { description += "domain_suffix=[" + strings.Join(domainSuffixes[:3], " ") + "...]" } else { description += "domain_suffix=[" + strings.Join(domainSuffixes, " ") + "]" } } return &DomainItem{ domain.NewMatcher(domains, domainSuffixes, false), description, } } func NewRawDomainItem(matcher *domain.Matcher) *DomainItem { return &DomainItem{ matcher, "domain/domain_suffix=", } } func (r *DomainItem) Match(metadata *adapter.InboundContext) bool { var domainHost string if metadata.Domain != "" { domainHost = metadata.Domain } else { domainHost = metadata.Destination.Fqdn } if domainHost == "" { return false } return r.matcher.Match(strings.ToLower(domainHost)) } func (r *DomainItem) String() string { return r.description }