-
Notifications
You must be signed in to change notification settings - Fork 174
/
thumbnails.go
382 lines (330 loc) · 11.7 KB
/
thumbnails.go
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
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
/*
* Copyright (c) 2018. Abstrium SAS <team (at) pydio.com>
* This file is part of Pydio Cells.
*
* Pydio Cells 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.
*
* Pydio Cells 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 Pydio Cells. If not, see <http://www.gnu.org/licenses/>.
*
* The latest code can be found at <https://pydio.com>.
*/
package images
import (
"bytes"
"context"
"fmt"
"image"
"io"
"os"
"path/filepath"
"runtime"
"strconv"
"strings"
"github.com/disintegration/imaging"
"github.com/pkg/errors"
"go.uber.org/zap"
"golang.org/x/image/colornames"
"google.golang.org/protobuf/proto"
"github.com/pydio/cells/v4/common"
"github.com/pydio/cells/v4/common/client/grpc"
"github.com/pydio/cells/v4/common/forms"
"github.com/pydio/cells/v4/common/log"
"github.com/pydio/cells/v4/common/nodes"
"github.com/pydio/cells/v4/common/nodes/models"
"github.com/pydio/cells/v4/common/proto/jobs"
"github.com/pydio/cells/v4/common/proto/tree"
json "github.com/pydio/cells/v4/common/utils/jsonx"
"github.com/pydio/cells/v4/scheduler/actions"
)
const (
MetadataThumbnails = "ImageThumbnails"
MetadataImageDimensions = "ImageDimensions"
MetadataCompatIsImage = "is_image"
MetadataCompatImageWidth = "image_width"
MetadataCompatImageHeight = "image_height"
MetadataCompatImageReadableDimensions = "readable_dimension"
)
var (
thumbnailsActionName = "actions.images.thumbnails"
)
type ThumbnailData struct {
Format string `json:"format"`
Size int `json:"size"`
Id string `json:"id"`
}
type ThumbnailsMeta struct {
Processing bool
Thumbnails []ThumbnailData `json:"thumbnails"`
}
type ThumbnailExtractor struct {
common.RuntimeHolder
thumbSizes map[string]int
metaClient tree.NodeReceiverClient
}
// GetDescription returns action description
func (t *ThumbnailExtractor) GetDescription(_ ...string) actions.ActionDescription {
return actions.ActionDescription{
ID: thumbnailsActionName,
Label: "Create Thumbs",
Icon: "image-filter",
Description: "Create thumbnails on image creation/modification",
SummaryTemplate: "",
HasForm: true,
Category: actions.ActionCategoryContents,
InputDescription: "Single-selection of file. Temporary and zero-bytes will be ignored",
OutputDescription: "Input file with updated metadata",
}
}
// GetParametersForm returns a UX form
func (t *ThumbnailExtractor) GetParametersForm() *forms.Form {
return &forms.Form{Groups: []*forms.Group{
{
Fields: []forms.Field{
&forms.FormField{
Name: "ThumbSizes",
Type: forms.ParamTextarea,
Label: "Sizes",
Description: "A JSON map describing each thumbnail to be created",
Default: "",
Mandatory: false,
Editable: true,
},
},
},
}}
}
// GetName returns this action unique identifier.
func (t *ThumbnailExtractor) GetName() string {
return thumbnailsActionName
}
// Init passes parameters to the action.
func (t *ThumbnailExtractor) Init(job *jobs.Job, action *jobs.Action) error {
if action.Parameters != nil {
t.thumbSizes = make(map[string]int)
if params, ok := action.Parameters["ThumbSizes"]; ok {
if e := json.Unmarshal([]byte(params), &t.thumbSizes); e != nil {
for i, s := range strings.Split(params, ",") {
parsed, _ := strconv.ParseInt(s, 10, 32)
t.thumbSizes[fmt.Sprintf("%d", i)] = int(parsed)
}
}
}
} else {
t.thumbSizes = map[string]int{"sm": 300}
}
if !nodes.IsUnitTestEnv {
t.metaClient = tree.NewNodeReceiverClient(grpc.GetClientConnFromCtx(t.GetRuntimeContext(), common.ServiceMeta))
}
return nil
}
// Run the actual action code.
func (t *ThumbnailExtractor) Run(ctx context.Context, channels *actions.RunnableChannels, input *jobs.ActionMessage) (*jobs.ActionMessage, error) {
if len(input.Nodes) == 0 || input.Nodes[0].Size == -1 || input.Nodes[0].Etag == common.NodeFlagEtagTemporary {
// Nothing to do
log.Logger(ctx).Debug("[THUMB EXTRACTOR] task ignored")
return input.WithIgnore(), nil
}
log.Logger(ctx).Debug("[THUMB EXTRACTOR] Resizing image...")
node := input.Nodes[0]
err := t.resize(ctx, node, t.thumbSizes)
if err != nil {
return input.WithError(err), err
}
// Clone and replace node
output := input.WithNode(node)
log.TasksLogger(ctx).Info("Created thumbnails for "+node.GetPath(), node.ZapPath())
output.AppendOutput(&jobs.ActionOutput{Success: true})
return output, nil
}
func displayMemStat(_ context.Context, _ string) {
//var m runtime.MemStats
//runtime.ReadMemStats(&m)
//log.Logger(ctx).Info("---- MEMORY USAGE AT: "+position, zap.Uint64("Alloc", m.Alloc/1024/1024), zap.Uint64("TotalAlloc", m.TotalAlloc/1024/1024), zap.Uint64("Sys", m.Sys/1024/1024), zap.Uint32("NumGC", m.NumGC))
//stdlog.Printf("%s : \nAlloc = %v\nTotalAlloc = %v\nSys = %v\nNumGC = %v\n\n", position, m.Alloc / 1024 / 1024, m.TotalAlloc / 1024 / 1024, m.Sys / 1024, m.NumGC)
}
func (t *ThumbnailExtractor) resize(ctx context.Context, node *tree.Node, sizes map[string]int) error {
displayMemStat(ctx, "START RESIZE")
// Open the test image.
if !node.HasSource() {
return fmt.Errorf("node does not have enough metadata for Resize (missing Source data)")
}
log.Logger(ctx).Debug("[THUMB EXTRACTOR] Getting object content", zap.String("Path", node.Path), zap.Int64("Size", node.Size))
var router nodes.Client
var reader io.ReadCloser
var err error
var errPath string
if localPath := getNodeLocalPath(node); len(localPath) > 0 {
reader, err = os.Open(localPath)
errPath = localPath
} else {
// Security in case Router is not transmitting nodes immutably
routerNode := proto.Clone(node).(*tree.Node)
router = getRouter(t.GetRuntimeContext())
reader, err = router.GetObject(ctx, routerNode, &models.GetRequestData{Length: -1})
errPath = routerNode.Path
}
if err != nil {
return errors.Wrap(err, errPath)
}
defer reader.Close()
displayMemStat(ctx, "BEFORE DECODE")
src, err := imaging.Decode(reader)
if err != nil {
return errors.Wrap(err, errPath)
}
displayMemStat(ctx, "AFTER DECODE")
// Extract dimensions
bounds := src.Bounds()
width := bounds.Max.X
height := bounds.Max.Y
// Send update event right now
node.MustSetMeta(MetadataImageDimensions, struct {
Width int
Height int
}{
Width: width,
Height: height,
})
node.MustSetMeta(MetadataCompatIsImage, true)
node.MustSetMeta(MetadataThumbnails, &ThumbnailsMeta{Processing: true})
node.MustSetMeta(MetadataCompatImageHeight, height)
node.MustSetMeta(MetadataCompatImageWidth, width)
node.MustSetMeta(MetadataCompatImageReadableDimensions, fmt.Sprintf("%dpx X %dpx", width, height))
if _, err = t.metaClient.UpdateNode(ctx, &tree.UpdateNodeRequest{From: node, To: node}); err != nil {
return errors.Wrap(err, errPath)
}
log.Logger(ctx).Debug("Thumbnails - Extracted dimension and saved in metadata", zap.Any("dimension", bounds))
meta := &ThumbnailsMeta{}
for metaId, size := range sizes {
if (metaId == "md" || metaId == "lg") && (width <= size && height <= size) {
log.Logger(ctx).Debug("Ignoring thumbnails for size as original is smaller", zap.Any("dimension", bounds), zap.Any("thumbSize", size))
continue
}
displayMemStat(ctx, "BEFORE WRITE SIZE FROM SRC")
updateMeta, err := t.writeSizeFromSrc(ctx, src, node, size, router)
if err != nil {
// Remove processing state from Metadata
node.MustSetMeta(MetadataThumbnails, nil)
t.metaClient.UpdateNode(ctx, &tree.UpdateNodeRequest{From: node, To: node})
return errors.Wrap(err, errPath)
}
displayMemStat(ctx, "AFTER WRITE SIZE FROM SRC")
if updateMeta {
meta.Thumbnails = append(meta.Thumbnails, ThumbnailData{
Id: metaId,
Format: "jpg",
Size: size,
})
}
}
src = nil
runtime.GC()
displayMemStat(ctx, "AFTER TRIGGERING GC")
if (meta != &ThumbnailsMeta{}) {
node.MustSetMeta(MetadataThumbnails, meta)
} else {
node.MustSetMeta(MetadataThumbnails, nil)
}
_, err = t.metaClient.UpdateNode(ctx, &tree.UpdateNodeRequest{From: node, To: node})
if err != nil {
err = errors.Wrap(err, errPath)
}
return err
}
func (t *ThumbnailExtractor) writeSizeFromSrc(ctx context.Context, img image.Image, node *tree.Node, targetSize int, router nodes.Client) (bool, error) {
localTest := false
localFolder := ""
objectName := fmt.Sprintf("%s-%d.jpg", node.Uuid, targetSize)
if localFolder = node.GetStringMeta(common.MetaNamespaceNodeTestLocalFolder); localFolder != "" {
localTest = true
}
logger := log.Logger(ctx)
if !localTest {
dsi, e := router.GetClientsPool().GetDataSourceInfo(common.PydioThumbstoreNamespace)
if e != nil || dsi.Client == nil {
logger.Error("Cannot find ds info for thumbnail store", zap.Error(e))
return false, e
}
// First Check if thumb already exists with same original etag
oi, check := dsi.Client.StatObject(ctx, dsi.ObjectsBucket, objectName, nil)
logger.Debug("Object Info", zap.Any("object", oi), zap.Error(check))
if check == nil {
foundOriginal := oi.Metadata.Get("X-Amz-Meta-Original-Etag")
if len(foundOriginal) > 0 && foundOriginal == node.Etag {
// No update necessary
logger.Debug("Ignoring Resize: thumb already exists in store", zap.Any("original", oi))
return true, nil
}
}
}
logger.Debug("WriteSizeFromSrc", zap.String("nodeUuid", node.Uuid))
var dst *image.NRGBA
if img.Bounds().Max.X >= img.Bounds().Max.Y {
// Resize the cropped image to width = 256px preserving the aspect ratio.
dst = imaging.Resize(img, targetSize, 0, imaging.Lanczos)
} else {
// Resize the cropped image to height = 256px preserving the aspect ratio.
dst = imaging.Resize(img, 0, targetSize, imaging.Lanczos)
}
ol := imaging.New(dst.Bounds().Dx(), dst.Bounds().Dy(), colornames.Lightgrey)
ol = imaging.Overlay(ol, dst, image.Pt(0, 0), 1.0)
dst = nil
runtime.GC()
displayMemStat(ctx, "BEFORE ENCODE")
var thumbBytes []byte
buf := bytes.NewBuffer(thumbBytes)
err := imaging.Encode(buf, ol, imaging.JPEG)
ol = nil
runtime.GC()
if err != nil {
return false, err
}
displayMemStat(ctx, "AFTER ENCODE")
if !localTest {
requestMeta := map[string]string{
common.XContentType: "image/jpeg",
"X-Amz-Meta-Original-Etag": node.Etag,
}
logger.Debug("Writing thumbnail to thumbs bucket", zap.Any("image size", targetSize))
displayMemStat(ctx, "BEFORE PUT OBJECT WITH CONTEXT")
tCtx, tNode, e := getThumbLocation(router, ctx, objectName)
if e != nil {
return false, e
}
tNode.Size = int64(buf.Len())
oi, err := router.PutObject(tCtx, tNode, buf, &models.PutRequestData{
Size: tNode.Size,
Metadata: requestMeta,
})
if err != nil {
return false, err
} else {
logger.Debug("Finished putting thumb for size", zap.Int64("written", oi.Size), zap.Int("size ", targetSize))
}
displayMemStat(ctx, "AFTER PUT OBJECT WITH CONTEXT")
} else {
e := os.WriteFile(filepath.Join(localFolder, objectName), buf.Bytes(), 0755)
if e != nil {
return false, e
}
}
logger.Debug("WriteSizeFromSrc: END", zap.String("nodeUuid", node.Uuid))
return true, err
}
func getNodeLocalPath(node *tree.Node) string {
if localFolder := node.GetStringMeta(common.MetaNamespaceNodeTestLocalFolder); localFolder != "" {
baseName := node.GetStringMeta(common.MetaNamespaceNodeName)
targetFileName := filepath.Join(localFolder, baseName)
return targetFileName
}
return ""
}