Esempio n. 1
0
func (f *MultipartForm) Upload(storage gostorages.Storage) (*image.ImageFile, error) {
	var fh io.ReadCloser

	fh, err := f.Data.Open()

	if err != nil {
		return nil, err
	}

	defer fh.Close()

	dataBytes := bytes.Buffer{}

	_, err = dataBytes.ReadFrom(fh)

	if err != nil {
		return nil, err
	}

	err = storage.Save(f.Data.Filename, gostorages.NewContentFile(dataBytes.Bytes()))

	if err != nil {
		return nil, err
	}

	return &image.ImageFile{
		Filepath: f.Data.Filename,
		Storage:  storage,
	}, nil
}
Esempio n. 2
0
func (f *MultipartForm) Upload(storage gostorages.Storage) (*image.ImageFile, error) {
	var fh io.ReadCloser

	fh, err := f.Data.Open()

	if err != nil {
		return nil, err
	}

	defer fh.Close()

	dataBytes := bytes.Buffer{}

	_, err = dataBytes.ReadFrom(fh)

	if err != nil {
		return nil, err
	}

	dataHash := fmt.Sprintf("%x", md5.Sum(dataBytes.Bytes()))
	ext := filepath.Ext(f.Data.Filename)
	filename := path.Join(dataHash[:2], dataHash[2:4], dataHash[4:]+ext)

	err = storage.Save(filename, gostorages.NewContentFile(dataBytes.Bytes()))

	if err != nil {
		return nil, err
	}

	return &image.ImageFile{
		Filepath: filename,
		Storage:  storage,
	}, nil
}
Esempio n. 3
0
func FromStorage(storage gostorages.Storage, filepath string) (*ImageFile, error) {
	var file *ImageFile
	var err error

	f, err := storage.Open(filepath)

	if err != nil {
		return nil, err
	}

	defer f.Close()

	if err != nil {
		return nil, err
	}

	modifiedTime, err := storage.ModifiedTime(filepath)

	if err != nil {
		return nil, err
	}

	file = &ImageFile{
		Filepath: filepath,
		Storage:  storage,
	}

	contentType := file.ContentType()

	headers := map[string]string{
		"Last-Modified": modifiedTime.Format(gostorages.LastModifiedFormat),
		"Content-Type":  contentType,
	}

	buf, err := ioutil.ReadAll(f)

	if err != nil {
		return nil, err
	}

	file.Source = buf
	file.Headers = headers

	return file, err
}
Esempio n. 4
0
func (f *MultipartForm) Upload(storage gostorages.Storage) (*image.ImageFile, error) {
	var fh io.ReadCloser

	fh, err := f.Data.Open()

	if err != nil {
		return nil, err
	}

	defer fh.Close()

	dataBytes := bytes.Buffer{}

	_, err = dataBytes.ReadFrom(fh)

	if err != nil {
		return nil, err
	}
	//file storage path=>16进制(yMd)/16进制(hhm)
	//if not exists,create one
	now := time.Now()
	dir1, _ := strconv.ParseInt(now.Format("0612"), 10, 64)
	dir2, _ := strconv.ParseInt(now.Format("1504"), 10, 64)
	ext := strconv.FormatInt(dir1, 16) + "/" + strconv.FormatInt(dir2, 16) + "/"

	h := md5.New()
	h.Write(dataBytes.Bytes())
	filename := hex.EncodeToString(h.Sum(nil)) + path.Ext(f.Data.Filename)

	err = storage.Save(ext+filename, gostorages.NewContentFile(dataBytes.Bytes()))

	if err != nil {
		return nil, err
	}

	return &image.ImageFile{
		Filepath: filename,
		Storage:  storage,
	}, nil
}