//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
}
}
