feat(files): add uploadings api (#30)

* fix(uploader, files/handlers): fix incorrect unlock, catch and check after calling api

* fix(uploader): fix uploader test

* feat(files): add uploadings api

* fix(files): register uploading handlers to api

Co-authored-by: Jia He <jiah@nvidia.com>
This commit is contained in:
Hexxa 2021-01-11 22:57:02 +08:00 committed by GitHub
parent a909df384d
commit 67c07cc81f
No known key found for this signature in database
GPG key ID: 4AEE18F83AFDEB23
11 changed files with 398 additions and 83 deletions

View file

@ -18,6 +18,7 @@ import (
"github.com/ihexxa/quickshare/src/depidx"
q "github.com/ihexxa/quickshare/src/handlers"
"github.com/ihexxa/quickshare/src/handlers/singleuserhdr"
)
var (
@ -93,6 +94,7 @@ func (lk *AutoLocker) Exec(handler func()) {
lk.c.JSON(q.ErrResp(lk.c, 500, errors.New("fail to lock the file")))
return
}
locked = true
locked = true
handler()
@ -109,16 +111,17 @@ func (h *FileHandlers) Create(c *gin.Context) {
c.JSON(q.ErrResp(c, 500, err))
return
}
userName := c.MustGet(singleuserhdr.UserParam).(string)
tmpFilePath := h.GetTmpPath(req.Path)
locker := h.NewAutoLocker(c, tmpFilePath)
tmpFilePath := getTmpPath(req.Path)
locker := h.NewAutoLocker(c, lockName(userName, tmpFilePath))
locker.Exec(func() {
err := h.deps.FS().Create(tmpFilePath)
if err != nil {
c.JSON(q.ErrResp(c, 500, err))
return
}
err = h.uploadMgr.AddInfo(req.Path, tmpFilePath, req.FileSize, false)
err = h.uploadMgr.AddInfo(userName, req.Path, tmpFilePath, req.FileSize)
if err != nil {
c.JSON(q.ErrResp(c, 500, err))
return
@ -252,13 +255,14 @@ func (h *FileHandlers) UploadChunk(c *gin.Context) {
c.JSON(q.ErrResp(c, 500, err))
return
}
userName := c.MustGet(singleuserhdr.UserParam).(string)
tmpFilePath := h.GetTmpPath(req.Path)
locker := h.NewAutoLocker(c, tmpFilePath)
tmpFilePath := getTmpPath(req.Path)
locker := h.NewAutoLocker(c, lockName(userName, tmpFilePath))
locker.Exec(func() {
var err error
_, fileSize, uploaded, err := h.uploadMgr.GetInfo(tmpFilePath)
_, fileSize, uploaded, err := h.uploadMgr.GetInfo(userName, tmpFilePath)
if err != nil {
c.JSON(q.ErrResp(c, 500, err))
return
@ -273,15 +277,13 @@ func (h *FileHandlers) UploadChunk(c *gin.Context) {
return
}
fmt.Println("length", len([]byte(content)))
wrote, err := h.deps.FS().WriteAt(tmpFilePath, []byte(content), req.Offset)
if err != nil {
c.JSON(q.ErrResp(c, 500, err))
return
}
err = h.uploadMgr.SetUploaded(tmpFilePath, req.Offset+int64(wrote))
err = h.uploadMgr.SetInfo(userName, tmpFilePath, req.Offset+int64(wrote))
if err != nil {
c.JSON(q.ErrResp(c, 500, err))
return
@ -295,7 +297,7 @@ func (h *FileHandlers) UploadChunk(c *gin.Context) {
c.JSON(q.ErrResp(c, 500, fmt.Errorf("%s error: %w", req.Path, err)))
return
}
err = h.uploadMgr.DelInfo(tmpFilePath)
err = h.uploadMgr.DelInfo(userName, tmpFilePath)
if err != nil {
c.JSON(q.ErrResp(c, 500, err))
return
@ -323,11 +325,12 @@ func (h *FileHandlers) UploadStatus(c *gin.Context) {
if filePath == "" {
c.JSON(q.ErrResp(c, 400, errors.New("invalid file name")))
}
userName := c.MustGet(singleuserhdr.UserParam).(string)
tmpFilePath := h.GetTmpPath(filePath)
locker := h.NewAutoLocker(c, tmpFilePath)
tmpFilePath := getTmpPath(filePath)
locker := h.NewAutoLocker(c, lockName(userName, tmpFilePath))
locker.Exec(func() {
_, fileSize, uploaded, err := h.uploadMgr.GetInfo(tmpFilePath)
_, fileSize, uploaded, err := h.uploadMgr.GetInfo(userName, tmpFilePath)
if err != nil {
if os.IsNotExist(err) {
c.JSON(q.ErrResp(c, 404, err))
@ -347,7 +350,6 @@ func (h *FileHandlers) UploadStatus(c *gin.Context) {
}
// TODO: support ETag
// TODO: use correct content type
func (h *FileHandlers) Download(c *gin.Context) {
rangeVal := c.GetHeader(rangeHeader)
ifRangeVal := c.GetHeader(ifRangeHeader)
@ -391,7 +393,6 @@ func (h *FileHandlers) Download(c *gin.Context) {
// := r.(*os.File)
// respond to normal requests
fmt.Println(ifRangeVal, rangeVal)
if ifRangeVal != "" || rangeVal == "" {
c.DataFromReader(200, info.Size(), contentType, r, map[string]string{})
return
@ -463,10 +464,56 @@ func (h *FileHandlers) CopyDir(c *gin.Context) {
c.JSON(q.NewMsgResp(501, "Not Implemented"))
}
func (h *FileHandlers) GetTmpPath(filePath string) string {
func getTmpPath(filePath string) string {
return path.Join(UploadDir, fmt.Sprintf("%x", sha1.Sum([]byte(filePath))))
}
func lockName(user, filePath string) string {
return fmt.Sprintf("%s/%s", user, filePath)
}
func (h *FileHandlers) FsPath(filePath string) string {
return path.Join(FsDir, filePath)
}
type ListUploadingsResp struct {
UploadInfos []*UploadInfo `json:"uploadInfos"`
}
func (h *FileHandlers) ListUploadings(c *gin.Context) {
userName := c.MustGet(singleuserhdr.UserParam).(string)
infos, err := h.uploadMgr.ListInfo(userName)
if err != nil {
c.JSON(q.ErrResp(c, 500, err))
return
}
c.JSON(200, &ListUploadingsResp{UploadInfos: infos})
}
func (h *FileHandlers) DelUploading(c *gin.Context) {
filePath := c.Query(FilePathQuery)
if filePath == "" {
c.JSON(q.ErrResp(c, 400, errors.New("invalid file path")))
return
}
userName := c.MustGet(singleuserhdr.UserParam).(string)
var err error
tmpFilePath := getTmpPath(filePath)
locker := h.NewAutoLocker(c, lockName(userName, tmpFilePath))
locker.Exec(func() {
err = h.deps.FS().Remove(tmpFilePath)
if err != nil {
c.JSON(q.ErrResp(c, 500, err))
return
}
err = h.uploadMgr.DelInfo(userName, tmpFilePath)
if err != nil {
c.JSON(q.ErrResp(c, 500, err))
return
}
c.JSON(q.Resp(200))
})
}

View file

@ -1,81 +1,121 @@
package fileshdr
import (
"encoding/json"
"errors"
"fmt"
"os"
"github.com/ihexxa/quickshare/src/kvstore"
)
var (
isDirKey = "isDir"
fileSizeKey = "fileSize"
uploadedKey = "uploaded"
filePathKey = "fileName"
ErrCreateExisting = errors.New("create upload info which already exists")
ErrGreaterThanSize = errors.New("uploaded is greater than file size")
ErrNotFound = errors.New("upload info not found")
uploadsPrefix = "uploads"
)
type UploadInfo struct {
RealFilePath string `json:"realFilePath"`
Size int64 `json:"size"`
Uploaded int64 `json:"uploaded"`
}
type UploadMgr struct {
kv kvstore.IKVStore
}
func UploadNS(user string) string {
return fmt.Sprintf("%s/%s", uploadsPrefix, user)
}
func NewUploadMgr(kv kvstore.IKVStore) *UploadMgr {
return &UploadMgr{
kv: kv,
}
}
func (um *UploadMgr) AddInfo(fileName, tmpName string, fileSize int64, isDir bool) error {
err := um.kv.SetInt64(infoKey(tmpName, fileSizeKey), fileSize)
func (um *UploadMgr) AddInfo(user, filePath, tmpPath string, fileSize int64) error {
ns := UploadNS(user)
err := um.kv.AddNamespace(ns)
if err != nil {
return err
}
err = um.kv.SetInt64(infoKey(tmpName, uploadedKey), 0)
_, ok := um.kv.GetStringIn(ns, tmpPath)
if ok {
return ErrCreateExisting
}
info := &UploadInfo{
RealFilePath: filePath,
Size: fileSize,
Uploaded: 0,
}
infoBytes, err := json.Marshal(info)
if err != nil {
return err
}
return um.kv.SetString(infoKey(tmpName, filePathKey), fileName)
return um.kv.SetStringIn(ns, tmpPath, string(infoBytes))
}
func (um *UploadMgr) SetUploaded(fileName string, newUploaded int64) error {
fileSize, ok := um.kv.GetInt64(infoKey(fileName, fileSizeKey))
if !ok {
return fmt.Errorf("file size %s not found", fileName)
}
if newUploaded <= fileSize {
um.kv.SetInt64(infoKey(fileName, uploadedKey), newUploaded)
return nil
}
return errors.New("uploaded is greater than file size")
}
func (um *UploadMgr) GetInfo(fileName string) (string, int64, int64, error) {
realFilePath, ok := um.kv.GetString(infoKey(fileName, filePathKey))
if !ok {
return "", 0, 0, os.ErrNotExist
}
fileSize, ok := um.kv.GetInt64(infoKey(fileName, fileSizeKey))
if !ok {
return "", 0, 0, os.ErrNotExist
}
uploaded, ok := um.kv.GetInt64(infoKey(fileName, uploadedKey))
if !ok {
return "", 0, 0, os.ErrNotExist
func (um *UploadMgr) SetInfo(user, filePath string, newUploaded int64) error {
realFilePath, fileSize, _, err := um.GetInfo(user, filePath)
if err != nil {
return err
} else if newUploaded > fileSize {
return ErrGreaterThanSize
}
return realFilePath, fileSize, uploaded, nil
}
func (um *UploadMgr) DelInfo(fileName string) error {
if err := um.kv.DelInt64(infoKey(fileName, fileSizeKey)); err != nil {
newInfo := &UploadInfo{
RealFilePath: realFilePath,
Size: fileSize,
Uploaded: newUploaded,
}
newInfoBytes, err := json.Marshal(newInfo)
if err != nil {
return err
}
if err := um.kv.DelInt64(infoKey(fileName, uploadedKey)); err != nil {
return err
}
return um.kv.DelString(infoKey(fileName, filePathKey))
return um.kv.SetStringIn(UploadNS(user), filePath, string(newInfoBytes))
}
func infoKey(fileName, key string) string {
return fmt.Sprintf("%s:%s", fileName, key)
func (um *UploadMgr) GetInfo(user, filePath string) (string, int64, int64, error) {
ns := UploadNS(user)
infoBytes, ok := um.kv.GetStringIn(ns, filePath)
if !ok {
return "", 0, 0, ErrNotFound
}
info := &UploadInfo{}
err := json.Unmarshal([]byte(infoBytes), info)
if err != nil {
return "", 0, 0, err
}
return info.RealFilePath, info.Size, info.Uploaded, nil
}
func (um *UploadMgr) DelInfo(user, filePath string) error {
return um.kv.DelInt64In(UploadNS(user), filePath)
}
func (um *UploadMgr) ListInfo(user string) ([]*UploadInfo, error) {
infoMap, err := um.kv.ListStringsIn(UploadNS(user))
if err != nil {
return nil, err
}
infos := []*UploadInfo{}
for _, infoStr := range infoMap {
info := &UploadInfo{}
err = json.Unmarshal([]byte(infoStr), info)
if err != nil {
return nil, err
}
infos = append(infos, info)
}
return infos, nil
}

View file

@ -53,11 +53,14 @@ func (h *SimpleUserHandlers) Auth() gin.HandlerFunc {
ExpireParam: "",
}
_, err = h.deps.Token().FromToken(token, claims)
claims, err = h.deps.Token().FromToken(token, claims)
if err != nil {
c.AbortWithStatusJSON(q.ErrResp(c, 401, err))
return
}
for key, val := range claims {
c.Set(key, val)
}
now := time.Now().Unix()
expire, err := strconv.ParseInt(claims[ExpireParam], 10, 64)
@ -71,6 +74,9 @@ func (h *SimpleUserHandlers) Auth() gin.HandlerFunc {
c.AbortWithStatusJSON(q.ErrResp(c, 401, errors.New("not allowed")))
return
}
} else {
// this is for UploadMgr to get user info to get related namespace
c.Set(UserParam, "quickshare_anonymous")
}
c.Next()