Update server/middlewares/virtual_host.go

Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>
Signed-off-by: Pikachu Ren <40362270+PIKACHUIM@users.noreply.github.com>

Author: PIKACHUIM

server/middlewares/virtual_host.go

@@ -1,43 +1,4 @@
 package middlewares
 
-import (
-	"strings"
-
-	"github.com/OpenListTeam/OpenList/v4/internal/conf"
-	"github.com/OpenListTeam/OpenList/v4/internal/op"
-	"github.com/OpenListTeam/OpenList/v4/server/common"
-	"github.com/gin-gonic/gin"
-)
-
-// VirtualHost 虚拟主机中间件，根据请求的 Host 头匹配虚拟主机配置
-func VirtualHost(c *gin.Context) {
-	host := c.Request.Host
-	// 去掉端口号
-	domain := stripPort(host)
-	if domain == "" {
-		c.Next()
-		return
-	}
-
-	vhost, err := op.GetVirtualHostByDomain(domain)
-	if err != nil || !vhost.Enabled {
-		// 未找到匹配的虚拟主机或未启用，继续正常处理
-		c.Next()
-		return
-	}
-
-	// 将虚拟主机信息存入请求上下文
-	common.GinWithValue(c, conf.VirtualHostKey, vhost)
-	c.Next()
-}
-
-// stripPort 去掉 host 中的端口号
-func stripPort(host string) string {
-	if idx := strings.LastIndex(host, ":"); idx != -1 {
-		// 确保不是 IPv6 地址（IPv6 地址用 [] 包裹）
-		if !strings.Contains(host, "[") {
-			return host[:idx]
-		}
-	}
-	return host
-}
+// Note: Virtual host resolution is handled by existing handlers/middlewares.
+// This file intentionally contains no additional code to avoid unused/dead middleware.