update config

pkg/connector/ss/udp/connector.go

@@ -4,6 +4,7 @@ import (
 	"context"
 	"fmt"
 	"net"
+	"net/url"
 	"time"
 
 	"github.com/go-gost/gost/pkg/common/util/socks"
@@ -12,6 +13,7 @@ import (
 	"github.com/go-gost/gost/pkg/logger"
 	md "github.com/go-gost/gost/pkg/metadata"
 	"github.com/go-gost/gost/pkg/registry"
+	"github.com/shadowsocks/go-shadowsocks2/core"
 )
 
 func init() {
@@ -19,6 +21,8 @@ func init() {
 }
 
 type ssuConnector struct {
+	user   *url.Userinfo
+	cipher core.Cipher
 	md     metadata
 	logger logger.Logger
 }
@@ -30,12 +34,23 @@ func NewConnector(opts ...connector.Option) connector.Connector {
 	}
 
 	return &ssuConnector{
+		user:   options.User,
 		logger: options.Logger,
 	}
 }
 
 func (c *ssuConnector) Init(md md.Metadata) (err error) {
-	return c.parseMetadata(md)
+	if err = c.parseMetadata(md); err != nil {
+		return
+	}
+
+	if c.user != nil {
+		method := c.user.Username()
+		password, _ := c.user.Password()
+		c.cipher, err = ss.ShadowCipher(method, password, c.md.key)
+	}
+
+	return
 }
 
 func (c *ssuConnector) Connect(ctx context.Context, conn net.Conn, network, address string, opts ...connector.ConnectOption) (net.Conn, error) {
@@ -67,16 +82,16 @@ func (c *ssuConnector) Connect(ctx context.Context, conn net.Conn, network, addr
 
 	pc, ok := conn.(net.PacketConn)
 	if ok {
-		if c.md.cipher != nil {
-			pc = c.md.cipher.PacketConn(pc)
+		if c.cipher != nil {
+			pc = c.cipher.PacketConn(pc)
 		}
 
 		// standard UDP relay
 		return ss.UDPClientConn(pc, conn.RemoteAddr(), taddr, c.md.bufferSize), nil
 	}
 
-	if c.md.cipher != nil {
-		conn = ss.ShadowConn(c.md.cipher.StreamConn(conn), nil)
+	if c.cipher != nil {
+		conn = ss.ShadowConn(c.cipher.StreamConn(conn), nil)
 	}
 
 	// UDP over TCP

pkg/connector/ss/udp/metadata.go

@@ -2,42 +2,25 @@ package ss
 
 import (
 	"math"
-	"strings"
 	"time"
 
-	"github.com/go-gost/gost/pkg/common/util/ss"
 	mdata "github.com/go-gost/gost/pkg/metadata"
-	"github.com/shadowsocks/go-shadowsocks2/core"
 )
 
 type metadata struct {
-	cipher         core.Cipher
+	key            string
 	connectTimeout time.Duration
 	bufferSize     int
 }
 
 func (c *ssuConnector) parseMetadata(md mdata.Metadata) (err error) {
 	const (
-		user           = "user"
 		key            = "key"
 		connectTimeout = "timeout"
 		bufferSize     = "bufferSize" // udp buffer size
 	)
 
-	var method, password string
-	if v := mdata.GetString(md, user); v != "" {
-		ss := strings.SplitN(v, ":", 2)
-		if len(ss) == 1 {
-			method = ss[0]
-		} else {
-			method, password = ss[0], ss[1]
-		}
-	}
-	c.md.cipher, err = ss.ShadowCipher(method, password, mdata.GetString(md, key))
-	if err != nil {
-		return
-	}
-
+	c.md.key = mdata.GetString(md, key)
 	c.md.connectTimeout = mdata.GetDuration(md, connectTimeout)
 
 	if bs := mdata.GetInt(md, bufferSize); bs > 0 {