//HeadBlobsV2Handler is
func HeadBlobsV2Handler(ctx *macaron.Context) (int, []byte) {
digest := ctx.Params(":digest")
tarsum := strings.Split(digest, ":")[1]
i := new(models.DockerImageV2)
if err := i.Get(tarsum); err != nil && err == gorm.ErrRecordNotFound {
log.Info("Not found blob: %s", tarsum)
result, _ := module.EncodingError(module.BLOB_UNKNOWN, digest)
return http.StatusNotFound, result
} else if err != nil && err != gorm.ErrRecordNotFound {
log.Info("Failed to get blob %s: %s", tarsum, err.Error())
result, _ := module.EncodingError(module.UNKNOWN, err.Error())
return http.StatusBadRequest, result
}
ctx.Resp.Header().Set("Content-Type", "application/json; charset=utf-8")
ctx.Resp.Header().Set("Content-Type", "application/octet-stream")
ctx.Resp.Header().Set("Docker-Content-Digest", digest)
ctx.Resp.Header().Set("Content-Length", fmt.Sprint(i.Size))
result, _ := json.Marshal(map[string]string{})
return http.StatusOK, result
}
//GetBlobsV2Handler is
func GetBlobsV2Handler(ctx *macaron.Context) {
digest := ctx.Params(":digest")
tarsum := strings.Split(digest, ":")[1]
i := new(models.DockerImageV2)
if err := i.Get(tarsum); err != nil && err == gorm.ErrRecordNotFound {
log.Info("Not found blob: %s", tarsum)
result, _ := module.EncodingError(module.BLOB_UNKNOWN, digest)
ctx.Resp.Write(result)
ctx.Resp.WriteHeader(http.StatusBadRequest)
return
} else if err != nil && err != gorm.ErrRecordNotFound {
log.Info("Failed to get blob %s: %s", tarsum, err.Error())
result, _ := module.EncodingError(module.UNKNOWN, err.Error())
ctx.Resp.Write(result)
ctx.Resp.WriteHeader(http.StatusBadRequest)
return
}
if file, err := os.Open(i.Path); err != nil {
log.Info("Failed to get blob %s: %s", tarsum, err.Error())
result, _ := module.EncodingError(module.UNKNOWN, err.Error())
ctx.Resp.Write(result)
ctx.Resp.WriteHeader(http.StatusBadRequest)
return
} else {
stat, _ := file.Stat()
size := strconv.FormatInt(stat.Size(), 10)
ctx.Resp.Header().Set("Content-Description", "File Transfer")
ctx.Resp.Header().Set("Content-Type", "application/octet-stream")
ctx.Resp.Header().Set("Content-Disposition", fmt.Sprintf("attachment; filename=%s", i.ImageID))
ctx.Resp.Header().Set("Content-Length", size)
ctx.Resp.Header().Set("Docker-Content-Digest", digest)
ctx.Resp.Header().Set("Expires", "0")
ctx.Resp.Header().Set("Cache-Control", "must-revalidate")
ctx.Resp.Header().Set("Content-Transfer-Encoding", "binary")
ctx.Resp.Header().Set("Pragma", "public")
file.Seek(0, 0)
defer file.Close()
io.Copy(ctx.Resp, file)
ctx.Resp.WriteHeader(http.StatusOK)
return
}
}
//PutBlobsV2Handler is
//Complete the upload specified by uuid, optionally appending the body as the final chunk.
func PutBlobsV2Handler(ctx *macaron.Context) (int, []byte) {
var size int64
repository := ctx.Params(":repository")
namespace := ctx.Params(":namespace")
desc := ctx.Params(":uuid")
uuid := strings.Split(desc, "?")[0]
digest := ctx.Query("digest")
tarsum := strings.Split(digest, ":")[1]
basePath := setting.DockerV2Storage
imagePath := fmt.Sprintf("%s/image/%s", basePath, tarsum)
imageFile := fmt.Sprintf("%s/image/%s/%s", basePath, tarsum, tarsum)
//Save from uuid path save too image path
if !utils.IsDirExist(imagePath) {
os.MkdirAll(imagePath, os.ModePerm)
}
if _, err := os.Stat(imageFile); err == nil {
os.Remove(imageFile)
}
if upload, err := module.CheckDockerVersion19(ctx.Req.Header.Get("User-Agent")); err != nil {
log.Errorf("Decode docker version error: %s", err.Error())
result, _ := module.EncodingError(module.BLOB_UPLOAD_INVALID, map[string]string{"namespace": namespace, "repository": repository})
return http.StatusBadRequest, result
} else if upload == true {
//Docker 1.9.x above version saves layer in PATCH method, in PUT method move from uuid to image:sha256
uuidPath := fmt.Sprintf("%s/uuid/%s", basePath, uuid)
uuidFile := fmt.Sprintf("%s/uuid/%s/%s", basePath, uuid, uuid)
if _, err := os.Stat(uuidFile); err == nil {
if err := os.Rename(uuidFile, imageFile); err != nil {
log.Errorf("Move the temp file to image folder %s error: %s", imageFile, err.Error())
result, _ := module.EncodingError(module.BLOB_UPLOAD_INVALID, map[string]string{"namespace": namespace, "repository": repository})
return http.StatusBadRequest, result
}
size, _ = utils.GetFileSize(imagePath)
os.RemoveAll(uuidFile)
os.RemoveAll(uuidPath)
}
} else if upload == false {
//Docker 1.9.x below version saves layer in PUT methord, save data to file directly.
if file, err := os.Create(imageFile); err != nil {
log.Errorf("Save the file %s error: %s", imageFile, err.Error())
result, _ := module.EncodingError(module.BLOB_UPLOAD_INVALID, map[string]string{"namespace": namespace, "repository": repository})
return http.StatusBadRequest, result
} else {
io.Copy(file, ctx.Req.Request.Body)
size, _ = utils.GetFileSize(imagePath)
}
}
i := new(models.DockerImageV2)
if err := i.Put(tarsum, imageFile, size); err != nil {
log.Errorf("Save the iamge data %s error: %s", tarsum, err.Error())
result, _ := module.EncodingError(module.BLOB_UPLOAD_INVALID, map[string]string{"namespace": namespace, "repository": repository})
return http.StatusBadRequest, result
}
state := utils.MD5(fmt.Sprintf("%s/%v", fmt.Sprintf("%s/%s", namespace, repository), time.Now().UnixNano()/int64(time.Millisecond)))
random := fmt.Sprintf("https://%s/v2/%s/%s/blobs/uploads/%s?_state=%s",
setting.Domains, namespace, repository, uuid, state)
ctx.Resp.Header().Set("Content-Type", "text/plain; charset=utf-8")
ctx.Resp.Header().Set("Docker-Content-Digest", digest)
ctx.Resp.Header().Set("Location", random)
result, _ := json.Marshal(map[string]string{})
return http.StatusOK, result
}