fixup codes

pkg/client/proxy.go

@@ -0,0 +1,48 @@
+package client
+
+import (
+	"context"
+	"fmt"
+
+	"golang.org/x/net/proxy"
+
+	mcnet "git.konjactw.dev/falloutBot/go-mc/net"
+
+	"git.konjactw.dev/patyhank/minego/pkg/bot"
+)
+
+// createSOCKS5Dialer 建立 SOCKS5 dialer
+func socks5(proxyConfig *bot.ProxyConfig) (mcnet.MCDialer, error) {
+	var auth *proxy.Auth
+	if proxyConfig.Username != "" || proxyConfig.Password != "" {
+		auth = &proxy.Auth{
+			User:     proxyConfig.Username,
+			Password: proxyConfig.Password,
+		}
+	}
+
+	dialer, err := proxy.SOCKS5("tcp", proxyConfig.Host, auth, proxy.Direct)
+	if err != nil {
+		return nil, fmt.Errorf("failed to create SOCKS5 proxy dialer: %w", err)
+	}
+
+	return &socks5MCDialer{
+		dialer: dialer,
+	}, nil
+}
+
+// socks5MCDialer 實作 mcnet.MCDialer 介面，使用 SOCKS5 proxy
+type socks5MCDialer struct {
+	dialer proxy.Dialer
+}
+
+func (d *socks5MCDialer) DialMCContext(ctx context.Context, address string) (*mcnet.Conn, error) {
+	// 使用 SOCKS5 proxy 建立連線
+	conn, err := d.dialer.Dial("tcp", address)
+	if err != nil {
+		return nil, fmt.Errorf("failed to dial through SOCKS5 proxy: %w", err)
+	}
+
+	// 將 net.Conn 包裝成 mcnet.Conn
+	return mcnet.WrapConn(conn), nil
+}