🎨 Improve the code structure

server/middlewares/path.go

@@ -0,0 +1,35 @@
+package middlewares
+
+import (
+	"fmt"
+	"github.com/Xhofe/alist/conf"
+	"github.com/Xhofe/alist/model"
+	"github.com/Xhofe/alist/server/common"
+	"github.com/Xhofe/alist/utils"
+	"github.com/gin-gonic/gin"
+)
+
+func PathCheck(c *gin.Context) {
+	var req common.PathReq
+	if err := c.ShouldBind(&req); err != nil {
+		common.ErrorResp(c, err, 400)
+		return
+	}
+	req.Path = utils.ParsePath(req.Path)
+	c.Set("req",req)
+	meta, err := model.GetMetaByPath(req.Path)
+	if err == nil {
+		if meta.Password != "" && meta.Password != req.Password {
+			common.ErrorResp(c, fmt.Errorf("wrong password"), 401)
+			c.Abort()
+			return
+		}
+	} else if conf.CheckParent {
+		if !common.CheckParent(utils.Dir(req.Path), req.Password) {
+			common.ErrorResp(c, fmt.Errorf("wrong password"), 401)
+			c.Abort()
+			return
+		}
+	}
+	c.Next()
+}