Feat: batch download in streamming paradism

Fix: add cache-controler header in API call responses

middleware/common.go

@@ -0,0 +1,47 @@
+package middleware
+
+import (
+	model "github.com/cloudreve/Cloudreve/v3/models"
+	"github.com/cloudreve/Cloudreve/v3/pkg/hashid"
+	"github.com/cloudreve/Cloudreve/v3/pkg/serializer"
+	"github.com/gin-gonic/gin"
+)
+
+// HashID 将给定对象的HashID转换为真实ID
+func HashID(IDType int) gin.HandlerFunc {
+	return func(c *gin.Context) {
+		if c.Param("id") != "" {
+			id, err := hashid.DecodeHashID(c.Param("id"), IDType)
+			if err == nil {
+				c.Set("object_id", id)
+				c.Next()
+				return
+			}
+			c.JSON(200, serializer.ParamErr("无法解析对象ID", nil))
+			c.Abort()
+			return
+
+		}
+		c.Next()
+	}
+}
+
+// IsFunctionEnabled 当功能未开启时阻止访问
+func IsFunctionEnabled(key string) gin.HandlerFunc {
+	return func(c *gin.Context) {
+		if !model.IsTrueVal(model.GetSettingByName(key)) {
+			c.JSON(200, serializer.Err(serializer.CodeNoPermissionErr, "未开启此功能", nil))
+			c.Abort()
+			return
+		}
+
+		c.Next()
+	}
+}
+
+// CacheControl 屏蔽客户端缓存
+func CacheControl() gin.HandlerFunc {
+	return func(c *gin.Context) {
+		c.Header("Cache-Control", "private, no-cache")
+	}
+}