Feat: download temporary archive file

service/explorer/file.go

@@ -2,12 +2,16 @@ package explorer
 
 import (
 	"context"
+	"github.com/HFO4/cloudreve/pkg/cache"
 	"github.com/HFO4/cloudreve/pkg/filesystem"
 	"github.com/HFO4/cloudreve/pkg/filesystem/fsctx"
 	"github.com/HFO4/cloudreve/pkg/serializer"
+	"github.com/HFO4/cloudreve/pkg/util"
 	"github.com/gin-gonic/gin"
 	"io"
 	"net/http"
+	"os"
+	"time"
 )
 
 // FileDownloadService 文件下载服务，path为文件完整路径
@@ -20,6 +24,51 @@ type FileAnonymousGetService struct {
 	Name string `uri:"name" binding:"required"`
 }
 
+type ArchiveDownloadService struct {
+	ID string `uri:"id" binding:"required"`
+}
+
+// Download 下載已打包的多文件
+func (service *ArchiveDownloadService) Download(ctx context.Context, c *gin.Context) serializer.Response {
+	// 创建文件系统
+	fs, err := filesystem.NewFileSystemFromContext(c)
+	if err != nil {
+		return serializer.Err(serializer.CodePolicyNotAllowed, err.Error(), err)
+	}
+
+	// 查找打包的临时文件
+	zipPath, exist := cache.Get("archive_" + service.ID)
+	if !exist {
+		return serializer.Err(404, "归档文件不存在", nil)
+	}
+
+	// 获取文件流
+	rs, err := fs.GetPhysicalFileContent(ctx, zipPath.(string))
+	if err != nil {
+		return serializer.Err(serializer.CodeNotSet, err.Error(), err)
+	}
+
+	c.Header("Content-Type", "application/zip")
+	http.ServeContent(c.Writer, c.Request, "archive.zip", time.Now(), rs)
+
+	// 检查是否需要关闭文件
+	if fc, ok := rs.(io.Closer); ok {
+		err = fc.Close()
+	}
+
+	// 清理资源，删除临时文件
+	_ = cache.Deletes([]string{service.ID}, "archive_")
+	err = os.Remove(zipPath.(string))
+	if err != nil {
+		util.Log().Warning("无法删除临时文件 %s ：%s", zipPath, err)
+	}
+
+	return serializer.Response{
+		Code: 0,
+	}
+
+}
+
 // Download 签名的匿名文件下载
 func (service *FileAnonymousGetService) Download(ctx context.Context, c *gin.Context) serializer.Response {
 	fs, err := filesystem.NewAnonymousFileSystem()