package controllers import ( "context" "github.com/HFO4/cloudreve/models" "github.com/HFO4/cloudreve/pkg/filesystem" "github.com/HFO4/cloudreve/pkg/filesystem/local" "github.com/HFO4/cloudreve/pkg/serializer" "github.com/HFO4/cloudreve/pkg/util" "github.com/HFO4/cloudreve/service/explorer" "github.com/gin-gonic/gin" "net/url" "strconv" ) // Download 文件下载 func Download(c *gin.Context) { // 创建上下文 ctx, cancel := context.WithCancel(context.Background()) defer cancel() var service explorer.FileDownloadService if err := c.ShouldBindUri(&service); err == nil { res := service.Download(ctx, c) if res.Code != 0 { c.JSON(200, res) } } else { c.JSON(200, ErrorResponse(err)) } } // FileUploadStream 本地策略流式上传 func FileUploadStream(c *gin.Context) { // 创建上下文 ctx, cancel := context.WithCancel(context.Background()) defer cancel() // 非本地策略时拒绝上传 if user, ok := c.Get("user"); ok && user.(*model.User).Policy.Type != "local" { c.JSON(200, serializer.Err(serializer.CodePolicyNotAllowed, "当前上传策略无法使用", nil)) return } // 取得文件大小 fileSize, err := strconv.ParseUint(c.Request.Header.Get("Content-Length"), 10, 64) if err != nil { c.JSON(200, ErrorResponse(err)) return } // 解码文件名和路径 fileName, err := url.QueryUnescape(c.Request.Header.Get("X-FileName")) filePath, err := url.QueryUnescape(c.Request.Header.Get("X-Path")) if err != nil { c.JSON(200, ErrorResponse(err)) return } fileData := local.FileStream{ MIMEType: c.Request.Header.Get("Content-Type"), File: c.Request.Body, Size: fileSize, Name: fileName, VirtualPath: util.DotPathToStandardPath(filePath), } // 创建文件系统 fs, err := filesystem.NewFileSystemFromContext(c) if err != nil { c.JSON(200, serializer.Err(serializer.CodePolicyNotAllowed, err.Error(), err)) return } // 给文件系统分配钩子 fs.Use("BeforeUpload", filesystem.HookValidateFile) fs.Use("BeforeUpload", filesystem.HookValidateCapacity) fs.Use("AfterUploadCanceled", filesystem.HookDeleteTempFile) fs.Use("AfterUploadCanceled", filesystem.HookGiveBackCapacity) fs.Use("AfterUpload", filesystem.GenericAfterUpload) fs.Use("AfterValidateFailed", filesystem.HookDeleteTempFile) fs.Use("AfterValidateFailed", filesystem.HookGiveBackCapacity) // 执行上传 uploadCtx := context.WithValue(ctx, filesystem.GinCtx, c) err = fs.Upload(uploadCtx, fileData) if err != nil { c.JSON(200, serializer.Err(serializer.CodeUploadFailed, err.Error(), err)) return } c.JSON(200, serializer.Response{ Code: 0, Msg: "Pong", }) }