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option.go
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option.go
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package url
import (
"encoding/json"
"flag"
"net"
"strconv"
"strings"
"github.com/faireal/trojan-go/common"
"github.com/faireal/trojan-go/log"
"github.com/faireal/trojan-go/option"
"github.com/faireal/trojan-go/proxy"
)
const Name = "URL"
type Websocket struct {
Enabled bool `json:"enabled"`
Host string `json:"host"`
Path string `json:"path"`
}
type TLS struct {
SNI string `json:"sni"`
}
type Shadowsocks struct {
Enabled bool `json:"enabled"`
Method string `json:"method"`
Password string `json:"password"`
}
type Mux struct {
Enabled bool `json:"enabled"`
}
type API struct {
Enabled bool `json:"enabled"`
APIHost string `json:"api_addr"`
APIPort int `json:"api_port"`
}
type UrlConfig struct {
RunType string `json:"run_type"`
LocalAddr string `json:"local_addr"`
LocalPort int `json:"local_port"`
RemoteAddr string `json:"remote_addr"`
RemotePort int `json:"remote_port"`
Password []string `json:"password"`
Websocket `json:"websocket"`
Shadowsocks `json:"shadowsocks"`
TLS `json:"ssl"`
Mux `json:"mux"`
API `json:"api"`
}
type url struct {
url *string
option *string
}
func (u *url) Name() string {
return Name
}
func (u *url) Handle() error {
if u.url == nil || *u.url == "" {
return common.NewError("")
}
info, err := NewShareInfoFromURL(*u.url)
if err != nil {
log.Fatal(err)
}
wsEnabled := false
if info.Type == ShareInfoTypeWebSocket {
wsEnabled = true
}
ssEnabled := false
ssPassword := ""
ssMethod := ""
if strings.HasPrefix(info.Encryption, "ss;") {
ssEnabled = true
ssConfig := strings.Split(info.Encryption[3:], ":")
if len(ssConfig) != 2 {
log.Fatalf("invalid shadowsocks config: %s", info.Encryption)
}
ssMethod = ssConfig[0]
ssPassword = ssConfig[1]
}
muxEnabled := false
listenHost := "127.0.0.1"
listenPort := 1080
apiEnabled := false
apiHost := "127.0.0.1"
apiPort := 10000
options := strings.Split(*u.option, ";")
for _, o := range options {
key := ""
val := ""
l := strings.Split(o, "=")
if len(l) != 2 {
log.Fatal("option format error, no \"key=value\" pair found:", o)
}
key = l[0]
val = l[1]
switch key {
case "mux":
muxEnabled, err = strconv.ParseBool(val)
if err != nil {
log.Fatal(err)
}
case "listen":
h, p, err := net.SplitHostPort(val)
if err != nil {
log.Fatal(err)
}
listenHost = h
lp, err := strconv.Atoi(p)
if err != nil {
log.Fatal(err)
}
listenPort = lp
case "api":
apiEnabled = true
h, p, err := net.SplitHostPort(val)
if err != nil {
log.Fatal(err)
}
apiHost = h
lp, err := strconv.Atoi(p)
if err != nil {
log.Fatal(err)
}
apiPort = lp
default:
log.Fatal("invalid option", o)
}
}
config := UrlConfig{
RunType: "client",
LocalAddr: listenHost,
LocalPort: listenPort,
RemoteAddr: info.TrojanHost,
RemotePort: int(info.Port),
Password: []string{info.TrojanPassword},
TLS: TLS{
SNI: info.SNI,
},
Websocket: Websocket{
Enabled: wsEnabled,
Path: info.Path,
Host: info.Host,
},
Mux: Mux{
Enabled: muxEnabled,
},
Shadowsocks: Shadowsocks{
Enabled: ssEnabled,
Password: ssPassword,
Method: ssMethod,
},
API: API{
Enabled: apiEnabled,
APIHost: apiHost,
APIPort: apiPort,
},
}
data, err := json.Marshal(&config)
if err != nil {
log.Fatal(err)
}
log.Debug(string(data))
client, err := proxy.NewProxyFromConfigData(data, true)
if err != nil {
log.Fatal(err)
}
return client.Run()
}
func (u *url) Priority() int {
return 10
}
func init() {
option.RegisterHandler(&url{
url: flag.String("url", "", "Setup trojan-go client with a url link"),
option: flag.String("url-option", "mux=true;listen=127.0.0.1:1080", "URL mode options"),
})
}