Fix: upload was marked canceled when small file uploaded
This commit is contained in:
parent
4156a71adf
commit
29def02489
8 changed files with 71 additions and 21 deletions
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@ -15,4 +15,5 @@ var (
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ErrFileExisted = errors.New("同名文件已存在")
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ErrPathNotExist = serializer.NewError(404, "路径不存在", nil)
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ErrObjectNotExist = serializer.NewError(404, "文件不存在", nil)
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ErrIO = serializer.NewError(serializer.CodeIOFailed, "无法读取文件数据", nil)
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)
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@ -2,9 +2,7 @@ package filesystem
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import (
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"context"
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"errors"
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model "github.com/HFO4/cloudreve/models"
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"github.com/HFO4/cloudreve/pkg/serializer"
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"github.com/HFO4/cloudreve/pkg/util"
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"io"
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)
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@ -37,9 +35,9 @@ func (fs *FileSystem) AddFile(ctx context.Context, parent *model.Folder) (*model
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return &newFile, nil
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}
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// Download 处理下载文件请求,path为虚拟路径
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// GetContent 获取文件内容,path为虚拟路径
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// TODO:测试
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func (fs *FileSystem) Download(ctx context.Context, path string) (io.ReadCloser, error) {
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func (fs *FileSystem) GetContent(ctx context.Context, path string) (io.ReadSeeker, error) {
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// 触发`下载前`钩子
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err := fs.Trigger(ctx, fs.BeforeFileDownload)
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if err != nil {
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@ -52,6 +50,7 @@ func (fs *FileSystem) Download(ctx context.Context, path string) (io.ReadCloser,
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if !exist {
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return nil, ErrObjectNotExist
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}
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fs.Target = &file
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// 将当前存储策略重设为文件使用的
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fs.Policy = file.GetPolicy()
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@ -60,5 +59,11 @@ func (fs *FileSystem) Download(ctx context.Context, path string) (io.ReadCloser,
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return nil, err
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}
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return nil, serializer.NewError(serializer.CodeEncryptError, "人都的", errors.New("不是人都的"))
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// 获取文件流
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rs, err := fs.Handler.Get(ctx, file.SourceName)
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if err != nil {
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return nil, ErrIO.WithError(err)
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}
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return rs, nil
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}
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@ -25,6 +25,8 @@ type Handler interface {
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Put(ctx context.Context, file io.ReadCloser, dst string, size uint64) error
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// 删除一个或多个文件
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Delete(ctx context.Context, files []string) ([]string, error)
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// 获取文件
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Get(ctx context.Context, path string) (io.ReadSeeker, error)
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}
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// FileSystem 管理文件的文件系统
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@ -33,6 +35,8 @@ type FileSystem struct {
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User *model.User
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// 操作文件使用的上传策略
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Policy *model.Policy
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// 当前正在处理的文件对象
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Target *model.File
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/*
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钩子函数
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@ -2,6 +2,7 @@ package local
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import (
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"context"
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"fmt"
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"github.com/HFO4/cloudreve/pkg/util"
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"io"
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"os"
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@ -11,6 +12,31 @@ import (
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// Handler 本地策略适配器
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type Handler struct{}
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// Get 获取文件内容
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// TODO:测试
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func (handler Handler) Get(ctx context.Context, path string) (io.ReadSeeker, error) {
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// 打开文件
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file, err := os.Open(path)
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if err != nil {
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util.Log().Debug("无法打开文件:%s", err)
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return nil, err
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}
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// 开启一个协程,用于请求结束后关闭reader
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go closeReader(ctx, file)
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return file, nil
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}
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// closeReader 用于在请求结束后关闭reader
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func closeReader(ctx context.Context, closer io.Closer) {
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select {
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case <-ctx.Done():
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err := closer.Close()
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fmt.Println("关闭reader", err)
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}
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}
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// Put 将文件流保存到指定目录
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func (handler Handler) Put(ctx context.Context, file io.ReadCloser, dst string, size uint64) error {
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defer file.Close()
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@ -2,7 +2,6 @@ package filesystem
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import (
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"context"
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"fmt"
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"github.com/HFO4/cloudreve/pkg/util"
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"github.com/gin-gonic/gin"
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"path/filepath"
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@ -73,19 +72,20 @@ func (fs *FileSystem) GenerateSavePath(ctx context.Context, file FileHeader) str
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func (fs *FileSystem) CancelUpload(ctx context.Context, path string, file FileHeader) {
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ginCtx := ctx.Value(GinCtx).(*gin.Context)
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select {
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case <-ctx.Done():
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// 客户端正常关闭,不执行操作
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fmt.Println("正常")
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case <-ginCtx.Request.Context().Done():
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// 客户端取消了上传
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fmt.Println("取消")
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if fs.AfterUploadCanceled == nil {
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return
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}
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ctx = context.WithValue(ctx, SavePathCtx, path)
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err := fs.Trigger(ctx, fs.AfterUploadCanceled)
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if err != nil {
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util.Log().Debug("执行 AfterUploadCanceled 钩子出错,%s", err)
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select {
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case <-ctx.Done():
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// 客户端正常关闭,不执行操作
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default:
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if fs.AfterUploadCanceled == nil {
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return
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}
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ctx = context.WithValue(ctx, SavePathCtx, path)
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err := fs.Trigger(ctx, fs.AfterUploadCanceled)
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if err != nil {
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util.Log().Debug("执行 AfterUploadCanceled 钩子出错,%s", err)
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}
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}
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}
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}
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@ -26,6 +26,12 @@ func NewError(code int, msg string, err error) AppError {
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}
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}
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// WithError 将应用error携带标准库中的error
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func (err *AppError) WithError(raw error) AppError {
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err.RawError = raw
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return *err
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}
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// Error 返回业务代码确定的可读错误信息
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func (err AppError) Error() string {
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return err.Msg
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@ -22,7 +22,9 @@ func Download(c *gin.Context) {
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var service explorer.FileDownloadService
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if err := c.ShouldBindQuery(&service); err == nil {
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res := service.Download(ctx, c)
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c.JSON(200, res)
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if res.Code != 0 {
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c.JSON(200, res)
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}
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} else {
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c.JSON(200, ErrorResponse(err))
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}
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@ -5,6 +5,8 @@ import (
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"github.com/HFO4/cloudreve/pkg/filesystem"
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"github.com/HFO4/cloudreve/pkg/serializer"
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"github.com/gin-gonic/gin"
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"net/http"
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"time"
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)
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// FileDownloadService 文件下载服务,path为文件完整路径
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@ -22,12 +24,16 @@ func (service *FileDownloadService) Download(ctx context.Context, c *gin.Context
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// 开始处理下载
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ctx = context.WithValue(ctx, filesystem.GinCtx, c)
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_, err = fs.Download(ctx, service.Path)
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rs, err := fs.GetContent(ctx, service.Path)
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if err != nil {
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return serializer.Err(serializer.CodeNotSet, err.Error(), err)
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}
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// 设置文件名
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c.Header("Content-Disposition", "attachment; filename=\""+fs.Target.Name+"\"")
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// 发送文件
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http.ServeContent(c.Writer, c.Request, "", time.Time{}, rs)
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return serializer.Response{
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Code: 0,
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}
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