1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
|
/*
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) processImageAttachment(data []byte, minAttachment *gtsmodel.MediaAttachment) (*gtsmodel.MediaAttachment, error) {
var clean []byte
var err error
var original *imageAndMeta
var small *imageAndMeta
contentType := minAttachment.File.ContentType
switch contentType {
case MIMEJpeg, MIMEPng:
if clean, err = purgeExif(data); err != nil {
return nil, fmt.Errorf("error cleaning exif data: %s", err)
}
original, err = deriveImage(clean, contentType)
if err != nil {
return nil, fmt.Errorf("error parsing image: %s", err)
}
case MIMEGif:
clean = data
original, err = deriveGif(clean, contentType)
if err != nil {
return nil, fmt.Errorf("error parsing gif: %s", err)
}
default:
return nil, errors.New("media type unrecognized")
}
small, err = deriveThumbnail(clean, contentType, 512, 512)
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(minAttachment.AccountID, string(TypeAttachment), string(SizeOriginal), newMediaID, extension)
smallURL := uris.GenerateURIForAttachment(minAttachment.AccountID, string(TypeAttachment), string(SizeSmall), newMediaID, "jpeg") // all thumbnails/smalls are encoded as jpeg
// we store the original...
originalPath := fmt.Sprintf("%s/%s/%s/%s.%s", minAttachment.AccountID, TypeAttachment, 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.jpeg", minAttachment.AccountID, TypeAttachment, SizeSmall, newMediaID) // all thumbnails/smalls are encoded as jpeg
if err := mh.storage.Put(smallPath, small.image); err != nil {
return nil, fmt.Errorf("storage error: %s", err)
}
minAttachment.FileMeta.Original = gtsmodel.Original{
Width: original.width,
Height: original.height,
Size: original.size,
Aspect: original.aspect,
}
minAttachment.FileMeta.Small = gtsmodel.Small{
Width: small.width,
Height: small.height,
Size: small.size,
Aspect: small.aspect,
}
attachment := >smodel.MediaAttachment{
ID: newMediaID,
StatusID: minAttachment.StatusID,
URL: originalURL,
RemoteURL: minAttachment.RemoteURL,
CreatedAt: minAttachment.CreatedAt,
UpdatedAt: minAttachment.UpdatedAt,
Type: gtsmodel.FileTypeImage,
FileMeta: minAttachment.FileMeta,
AccountID: minAttachment.AccountID,
Description: minAttachment.Description,
ScheduledStatusID: minAttachment.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: MIMEJpeg, // all thumbnails/smalls are encoded as jpeg
FileSize: len(small.image),
UpdatedAt: time.Now(),
URL: smallURL,
RemoteURL: minAttachment.Thumbnail.RemoteURL,
},
Avatar: minAttachment.Avatar,
Header: minAttachment.Header,
}
return attachment, nil
}
|
