🎨 Improve the code structure

server/middlewares/auth.go

@@ -0,0 +1,28 @@
+package middlewares
+
+import (
+	"fmt"
+	"github.com/Xhofe/alist/model"
+	"github.com/Xhofe/alist/server/common"
+	"github.com/Xhofe/alist/utils"
+	"github.com/gin-gonic/gin"
+	"gorm.io/gorm"
+)
+
+func Auth(c *gin.Context) {
+	token := c.GetHeader("Authorization")
+	password, err := model.GetSettingByKey("password")
+	if err != nil {
+		if err == gorm.ErrRecordNotFound {
+			common.ErrorResp(c, fmt.Errorf("password not set"), 400)
+			return
+		}
+		common.ErrorResp(c, err, 500)
+		return
+	}
+	if token != utils.GetMD5Encode(password.Value) {
+		common.ErrorResp(c, fmt.Errorf("wrong password"), 401)
+		return
+	}
+	c.Next()
+}