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/*
GoToSocial
Copyright (C) 2021-2022 GoToSocial Authors admin@gotosocial.org
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU Affero General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU Affero General Public License for more details.
You should have received a copy of the GNU Affero General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package media
import (
"errors"
"fmt"
"strings"
"time"
"github.com/superseriousbusiness/gotosocial/internal/gtsmodel"
"github.com/superseriousbusiness/gotosocial/internal/id"
"github.com/superseriousbusiness/gotosocial/internal/uris"
)
func (mh *mediaHandler) processHeaderOrAvi(imageBytes []byte, contentType string, mediaType Type, accountID string, remoteURL string) (*gtsmodel.MediaAttachment, error) {
var isHeader bool
var isAvatar bool
switch mediaType {
case TypeHeader:
isHeader = true
case TypeAvatar:
isAvatar = true
default:
return nil, errors.New("header or avatar not selected")
}
var clean []byte
var err error
var original *imageAndMeta
switch contentType {
case MIMEJpeg:
if clean, err = purgeExif(imageBytes); err != nil {
return nil, fmt.Errorf("error cleaning exif data: %s", err)
}
original, err = deriveImage(clean, contentType)
case MIMEPng:
if clean, err = purgeExif(imageBytes); err != nil {
return nil, fmt.Errorf("error cleaning exif data: %s", err)
}
original, err = deriveImage(clean, contentType)
case MIMEGif:
clean = imageBytes
original, err = deriveGif(clean, contentType)
default:
return nil, errors.New("media type unrecognized")
}
if err != nil {
return nil, fmt.Errorf("error parsing image: %s", err)
}
small, err := deriveThumbnail(clean, contentType, 256, 256)
if err != nil {
return nil, fmt.Errorf("error deriving thumbnail: %s", err)
}
// now put it in storage, take a new id for the name of the file so we don't store any unnecessary info about it
extension := strings.Split(contentType, "/")[1]
newMediaID, err := id.NewRandomULID()
if err != nil {
return nil, err
}
originalURL := uris.GenerateURIForAttachment(accountID, string(mediaType), string(SizeOriginal), newMediaID, extension)
smallURL := uris.GenerateURIForAttachment(accountID, string(mediaType), string(SizeSmall), newMediaID, extension)
// we store the original...
originalPath := fmt.Sprintf("%s/%s/%s/%s.%s", accountID, mediaType, SizeOriginal, newMediaID, extension)
if err := mh.storage.Put(originalPath, original.image); err != nil {
return nil, fmt.Errorf("storage error: %s", err)
}
// and a thumbnail...
smallPath := fmt.Sprintf("%s/%s/%s/%s.%s", accountID, mediaType, SizeSmall, newMediaID, extension)
if err := mh.storage.Put(smallPath, small.image); err != nil {
return nil, fmt.Errorf("storage error: %s", err)
}
ma := >smodel.MediaAttachment{
ID: newMediaID,
StatusID: "",
URL: originalURL,
RemoteURL: remoteURL,
CreatedAt: time.Now(),
UpdatedAt: time.Now(),
Type: gtsmodel.FileTypeImage,
FileMeta: gtsmodel.FileMeta{
Original: gtsmodel.Original{
Width: original.width,
Height: original.height,
Size: original.size,
Aspect: original.aspect,
},
Small: gtsmodel.Small{
Width: small.width,
Height: small.height,
Size: small.size,
Aspect: small.aspect,
},
},
AccountID: accountID,
Description: "",
ScheduledStatusID: "",
Blurhash: small.blurhash,
Processing: 2,
File: gtsmodel.File{
Path: originalPath,
ContentType: contentType,
FileSize: len(original.image),
UpdatedAt: time.Now(),
},
Thumbnail: gtsmodel.Thumbnail{
Path: smallPath,
ContentType: contentType,
FileSize: len(small.image),
UpdatedAt: time.Now(),
URL: smallURL,
RemoteURL: "",
},
Avatar: isAvatar,
Header: isHeader,
}
return ma, nil
}
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