Files
sing-box-extended/parser/link/trojan.go

90 lines
2.5 KiB
Go

package link
import (
"net/url"
"strings"
"github.com/sagernet/sing-box/common"
C "github.com/sagernet/sing-box/constant"
"github.com/sagernet/sing-box/option"
E "github.com/sagernet/sing/common/exceptions"
"github.com/sagernet/sing/common/json/badoption"
)
func parseTrojanLink(link string) (option.Outbound, error) {
linkURL, err := url.Parse(link)
if err != nil {
return option.Outbound{}, err
}
if linkURL.User == nil || linkURL.User.Username() == "" {
return option.Outbound{}, E.New("missing password")
}
var options option.TrojanOutboundOptions
TLSOptions := option.OutboundTLSOptions{
Enabled: true,
ECH: &option.OutboundECHOptions{},
UTLS: &option.OutboundUTLSOptions{},
Reality: &option.OutboundRealityOptions{},
}
options.Server = linkURL.Hostname()
TLSOptions.ServerName = linkURL.Hostname()
options.ServerPort = common.StringToType[uint16](linkURL.Port())
options.Password = linkURL.User.Username()
proxy := map[string]string{}
for key, values := range linkURL.Query() {
value := values[0]
proxy[key] = value
}
for key, value := range proxy {
switch key {
case "insecure", "allowInsecure", "skip-cert-verify":
if value == "1" || value == "true" {
TLSOptions.Insecure = true
}
case "serviceName", "sni", "peer":
TLSOptions.ServerName = value
case "alpn":
TLSOptions.ALPN = strings.Split(value, ",")
case "fp":
TLSOptions.UTLS.Enabled = true
TLSOptions.UTLS.Fingerprint = value
case "type":
Transport := option.V2RayTransportOptions{
Type: "",
WebsocketOptions: option.V2RayWebsocketOptions{
Headers: map[string]badoption.Listable[string]{},
},
HTTPOptions: option.V2RayHTTPOptions{
Host: badoption.Listable[string]{},
Headers: map[string]badoption.Listable[string]{},
},
GRPCOptions: option.V2RayGRPCOptions{},
}
switch value {
case "ws":
Transport.Type = C.V2RayTransportTypeWebsocket
Transport.WebsocketOptions = v2rayTransportWs(proxy["host"], proxy["path"])
case "grpc":
Transport.Type = C.V2RayTransportTypeGRPC
if serviceName, exists := proxy["grpc-service-name"]; exists && serviceName != "" {
Transport.GRPCOptions.ServiceName = serviceName
}
default:
continue
}
options.Transport = &Transport
case "tfo", "tcp-fast-open", "tcp_fast_open":
if value == "1" || value == "true" {
options.TCPFastOpen = true
}
}
}
outbound := option.Outbound{
Type: C.TypeTrojan,
Tag: linkURL.Fragment,
}
options.TLS = &TLSOptions
outbound.Options = &options
return outbound, nil
}