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start working on thumb + full funcs

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This commit is contained in:
tsmethurst 2022-01-04 17:37:54 +01:00
commit 7ebe0f6a15
3 changed files with 147 additions and 32 deletions
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24
internal/media/image.go
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@ -54,6 +54,14 @@ type ImageMeta struct {
}
func (m *manager) preProcessImage(ctx context.Context, data []byte, contentType string, accountID string) (*Media, error) {
if !supportedImage(contentType) {
return nil, fmt.Errorf("image type %s not supported", contentType)
}
if len(data) == 0 {
return nil, errors.New("image was of size 0")
}
id, err := id.NewRandomULID()
if err != nil {
return nil, err
@ -93,21 +101,7 @@ func (m *manager) preProcessImage(ctx context.Context, data []byte, contentType
var original *ImageMeta
var small *ImageMeta
switch contentType {
case mimeImageJpeg, mimeImagePng:
// first 'clean' image by purging exif data from it
var exifErr error
if clean, exifErr = purgeExif(data); exifErr != nil {
return nil, fmt.Errorf("error cleaning exif data: %s", exifErr)
}
original, err = decodeImage(clean, contentType)
case mimeImageGif:
// gifs are already clean - no exif data to remove
clean = data
original, err = decodeGif(clean)
default:
err = fmt.Errorf("content type %s not a processible image type", contentType)
}
if err != nil {
return nil, err