mirror of
https://github.com/nitezs/sub2sing-box.git
synced 2024-12-23 22:04:41 -05:00
158 lines
3.8 KiB
Go
158 lines
3.8 KiB
Go
package parser
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import (
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"net/url"
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"strings"
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"sub2sing-box/constant"
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"sub2sing-box/model"
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)
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func ParseTrojan(proxy string) (model.Outbound, error) {
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if !strings.HasPrefix(proxy, constant.TrojanPrefix) {
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return model.Outbound{}, &ParseError{Type: ErrInvalidPrefix, Raw: proxy}
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}
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proxy = strings.TrimPrefix(proxy, constant.TrojanPrefix)
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urlParts := strings.SplitN(proxy, "@", 2)
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if len(urlParts) != 2 {
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return model.Outbound{}, &ParseError{
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Type: ErrInvalidStruct,
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Message: "missing character '@' in url",
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Raw: proxy,
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}
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}
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password := strings.TrimSpace(urlParts[0])
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serverInfo := strings.SplitN(urlParts[1], "#", 2)
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serverAndPortAndParams := strings.SplitN(serverInfo[0], "?", 2)
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if len(serverAndPortAndParams) != 2 {
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return model.Outbound{}, &ParseError{
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Type: ErrInvalidStruct,
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Message: "missing character '?' in url",
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Raw: proxy,
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}
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}
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serverAndPort := strings.SplitN(serverAndPortAndParams[0], ":", 2)
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if len(serverAndPort) != 2 {
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return model.Outbound{}, &ParseError{
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Type: ErrInvalidStruct,
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Message: "missing server host or port",
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Raw: proxy,
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}
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}
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server, portStr := serverAndPort[0], serverAndPort[1]
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params, err := url.ParseQuery(serverAndPortAndParams[1])
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if err != nil {
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return model.Outbound{}, &ParseError{
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Type: ErrCannotParseParams,
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Raw: proxy,
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Message: err.Error(),
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}
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}
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port, err := ParsePort(portStr)
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if err != nil {
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return model.Outbound{}, err
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}
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remarks := ""
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if len(serverInfo) == 2 {
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remarks, _ = url.QueryUnescape(strings.TrimSpace(serverInfo[1]))
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} else {
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remarks = serverAndPort[0]
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}
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network, security, alpnStr, sni, pbk, sid, fp, path, host, serviceName := params.Get("type"), params.Get("security"), params.Get("alpn"), params.Get("sni"), params.Get("pbk"), params.Get("sid"), params.Get("fp"), params.Get("path"), params.Get("host"), params.Get("serviceName")
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var alpn []string
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if strings.Contains(alpnStr, ",") {
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alpn = strings.Split(alpnStr, ",")
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} else {
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alpn = nil
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}
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enableUTLS := fp != ""
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result := model.Outbound{
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Type: "trojan",
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Tag: remarks,
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TrojanOptions: model.TrojanOutboundOptions{
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ServerOptions: model.ServerOptions{
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Server: server,
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ServerPort: port,
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},
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Password: password,
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Network: network,
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},
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}
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if security == "xtls" || security == "tls" {
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result.TrojanOptions.OutboundTLSOptionsContainer = model.OutboundTLSOptionsContainer{
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TLS: &model.OutboundTLSOptions{
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Enabled: true,
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ALPN: alpn,
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ServerName: sni,
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},
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}
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}
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if params.Get("security") == "reality" {
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result.TrojanOptions.OutboundTLSOptionsContainer = model.OutboundTLSOptionsContainer{
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TLS: &model.OutboundTLSOptions{
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Enabled: true,
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ServerName: sni,
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Reality: &model.OutboundRealityOptions{
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Enabled: true,
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PublicKey: pbk,
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ShortID: sid,
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},
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UTLS: &model.OutboundUTLSOptions{
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Enabled: enableUTLS,
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Fingerprint: fp,
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},
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},
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}
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}
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if params.Get("type") == "ws" {
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result.TrojanOptions.Transport = &model.V2RayTransportOptions{
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Type: "ws",
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WebsocketOptions: model.V2RayWebsocketOptions{
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Path: path,
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Headers: map[string]string{
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"Host": host,
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},
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},
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}
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}
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if params.Get("type") == "http" {
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result.TrojanOptions.Transport = &model.V2RayTransportOptions{
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Type: "http",
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HTTPOptions: model.V2RayHTTPOptions{
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Host: []string{host},
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Path: params.Get("path"),
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},
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}
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}
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if params.Get("type") == "quic" {
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result.TrojanOptions.Transport = &model.V2RayTransportOptions{
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Type: "quic",
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QUICOptions: model.V2RayQUICOptions{},
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}
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}
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if params.Get("type") == "grpc" {
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result.TrojanOptions.Transport = &model.V2RayTransportOptions{
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Type: "grpc",
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GRPCOptions: model.V2RayGRPCOptions{
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ServiceName: serviceName,
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},
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}
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}
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return result, nil
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}
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