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1 | 'use strict' | |
2 | ||
3 | const Buffer = require('safe-buffer').Buffer | |
4 | const createTorrent = require('create-torrent') | |
5 | const ffmpeg = require('fluent-ffmpeg') | |
6 | const fs = require('fs') | |
7 | const magnetUtil = require('magnet-uri') | |
8 | const map = require('lodash/map') | |
9 | const parallel = require('async/parallel') | |
10 | const parseTorrent = require('parse-torrent') | |
11 | const pathUtils = require('path') | |
12 | const values = require('lodash/values') | |
13 | ||
14 | const constants = require('../initializers/constants') | |
15 | const logger = require('../helpers/logger') | |
16 | const friends = require('../lib/friends') | |
17 | const modelUtils = require('./utils') | |
18 | const customVideosValidators = require('../helpers/custom-validators').videos | |
19 | ||
20 | // --------------------------------------------------------------------------- | |
21 | ||
22 | module.exports = function (sequelize, DataTypes) { | |
23 | const Video = sequelize.define('Video', | |
24 | { | |
25 | id: { | |
26 | type: DataTypes.UUID, | |
27 | defaultValue: DataTypes.UUIDV4, | |
28 | primaryKey: true, | |
29 | validate: { | |
30 | isUUID: 4 | |
31 | } | |
32 | }, | |
33 | name: { | |
34 | type: DataTypes.STRING, | |
35 | allowNull: false, | |
36 | validate: { | |
37 | nameValid: function (value) { | |
38 | const res = customVideosValidators.isVideoNameValid(value) | |
39 | if (res === false) throw new Error('Video name is not valid.') | |
40 | } | |
41 | } | |
42 | }, | |
43 | extname: { | |
44 | type: DataTypes.ENUM(values(constants.CONSTRAINTS_FIELDS.VIDEOS.EXTNAME)), | |
45 | allowNull: false | |
46 | }, | |
47 | remoteId: { | |
48 | type: DataTypes.UUID, | |
49 | allowNull: true, | |
50 | validate: { | |
51 | isUUID: 4 | |
52 | } | |
53 | }, | |
54 | description: { | |
55 | type: DataTypes.STRING, | |
56 | allowNull: false, | |
57 | validate: { | |
58 | descriptionValid: function (value) { | |
59 | const res = customVideosValidators.isVideoDescriptionValid(value) | |
60 | if (res === false) throw new Error('Video description is not valid.') | |
61 | } | |
62 | } | |
63 | }, | |
64 | infoHash: { | |
65 | type: DataTypes.STRING, | |
66 | allowNull: false, | |
67 | validate: { | |
68 | infoHashValid: function (value) { | |
69 | const res = customVideosValidators.isVideoInfoHashValid(value) | |
70 | if (res === false) throw new Error('Video info hash is not valid.') | |
71 | } | |
72 | } | |
73 | }, | |
74 | duration: { | |
75 | type: DataTypes.INTEGER, | |
76 | allowNull: false, | |
77 | validate: { | |
78 | durationValid: function (value) { | |
79 | const res = customVideosValidators.isVideoDurationValid(value) | |
80 | if (res === false) throw new Error('Video duration is not valid.') | |
81 | } | |
82 | } | |
83 | } | |
84 | }, | |
85 | { | |
86 | indexes: [ | |
87 | { | |
88 | fields: [ 'authorId' ] | |
89 | }, | |
90 | { | |
91 | fields: [ 'remoteId' ] | |
92 | }, | |
93 | { | |
94 | fields: [ 'name' ] | |
95 | }, | |
96 | { | |
97 | fields: [ 'createdAt' ] | |
98 | }, | |
99 | { | |
100 | fields: [ 'duration' ] | |
101 | }, | |
102 | { | |
103 | fields: [ 'infoHash' ] | |
104 | } | |
105 | ], | |
106 | classMethods: { | |
107 | associate, | |
108 | ||
109 | generateThumbnailFromData, | |
110 | getDurationFromFile, | |
111 | list, | |
112 | listForApi, | |
113 | listOwnedAndPopulateAuthorAndTags, | |
114 | listOwnedByAuthor, | |
115 | load, | |
116 | loadByHostAndRemoteId, | |
117 | loadAndPopulateAuthor, | |
118 | loadAndPopulateAuthorAndPodAndTags, | |
119 | searchAndPopulateAuthorAndPodAndTags | |
120 | }, | |
121 | instanceMethods: { | |
122 | generateMagnetUri, | |
123 | getVideoFilename, | |
124 | getThumbnailName, | |
125 | getPreviewName, | |
126 | getTorrentName, | |
127 | isOwned, | |
128 | toFormatedJSON, | |
129 | toAddRemoteJSON, | |
130 | toUpdateRemoteJSON | |
131 | }, | |
132 | hooks: { | |
133 | beforeValidate, | |
134 | beforeCreate, | |
135 | afterDestroy | |
136 | } | |
137 | } | |
138 | ) | |
139 | ||
140 | return Video | |
141 | } | |
142 | ||
143 | function beforeValidate (video, options, next) { | |
144 | // Put a fake infoHash if it does not exists yet | |
145 | if (video.isOwned() && !video.infoHash) { | |
146 | // 40 hexa length | |
147 | video.infoHash = '0123456789abcdef0123456789abcdef01234567' | |
148 | } | |
149 | ||
150 | return next(null) | |
151 | } | |
152 | ||
153 | function beforeCreate (video, options, next) { | |
154 | const tasks = [] | |
155 | ||
156 | if (video.isOwned()) { | |
157 | const videoPath = pathUtils.join(constants.CONFIG.STORAGE.VIDEOS_DIR, video.getVideoFilename()) | |
158 | ||
159 | tasks.push( | |
160 | function createVideoTorrent (callback) { | |
161 | const options = { | |
162 | announceList: [ | |
163 | [ constants.CONFIG.WEBSERVER.WS + '://' + constants.CONFIG.WEBSERVER.HOSTNAME + ':' + constants.CONFIG.WEBSERVER.PORT + '/tracker/socket' ] | |
164 | ], | |
165 | urlList: [ | |
166 | constants.CONFIG.WEBSERVER.URL + constants.STATIC_PATHS.WEBSEED + video.getVideoFilename() | |
167 | ] | |
168 | } | |
169 | ||
170 | createTorrent(videoPath, options, function (err, torrent) { | |
171 | if (err) return callback(err) | |
172 | ||
173 | const filePath = pathUtils.join(constants.CONFIG.STORAGE.TORRENTS_DIR, video.getTorrentName()) | |
174 | fs.writeFile(filePath, torrent, function (err) { | |
175 | if (err) return callback(err) | |
176 | ||
177 | const parsedTorrent = parseTorrent(torrent) | |
178 | video.set('infoHash', parsedTorrent.infoHash) | |
179 | video.validate().asCallback(callback) | |
180 | }) | |
181 | }) | |
182 | }, | |
183 | ||
184 | function createVideoThumbnail (callback) { | |
185 | createThumbnail(video, videoPath, callback) | |
186 | }, | |
187 | ||
188 | function createVIdeoPreview (callback) { | |
189 | createPreview(video, videoPath, callback) | |
190 | } | |
191 | ) | |
192 | ||
193 | return parallel(tasks, next) | |
194 | } | |
195 | ||
196 | return next() | |
197 | } | |
198 | ||
199 | function afterDestroy (video, options, next) { | |
200 | const tasks = [] | |
201 | ||
202 | tasks.push( | |
203 | function (callback) { | |
204 | removeThumbnail(video, callback) | |
205 | } | |
206 | ) | |
207 | ||
208 | if (video.isOwned()) { | |
209 | tasks.push( | |
210 | function removeVideoFile (callback) { | |
211 | removeFile(video, callback) | |
212 | }, | |
213 | ||
214 | function removeVideoTorrent (callback) { | |
215 | removeTorrent(video, callback) | |
216 | }, | |
217 | ||
218 | function removeVideoPreview (callback) { | |
219 | removePreview(video, callback) | |
220 | }, | |
221 | ||
222 | function removeVideoToFriends (callback) { | |
223 | const params = { | |
224 | remoteId: video.id | |
225 | } | |
226 | ||
227 | friends.removeVideoToFriends(params) | |
228 | ||
229 | return callback() | |
230 | } | |
231 | ) | |
232 | } | |
233 | ||
234 | parallel(tasks, next) | |
235 | } | |
236 | ||
237 | // ------------------------------ METHODS ------------------------------ | |
238 | ||
239 | function associate (models) { | |
240 | this.belongsTo(models.Author, { | |
241 | foreignKey: { | |
242 | name: 'authorId', | |
243 | allowNull: false | |
244 | }, | |
245 | onDelete: 'cascade' | |
246 | }) | |
247 | ||
248 | this.belongsToMany(models.Tag, { | |
249 | foreignKey: 'videoId', | |
250 | through: models.VideoTag, | |
251 | onDelete: 'cascade' | |
252 | }) | |
253 | ||
254 | this.hasMany(models.VideoAbuse, { | |
255 | foreignKey: { | |
256 | name: 'videoId', | |
257 | allowNull: false | |
258 | }, | |
259 | onDelete: 'cascade' | |
260 | }) | |
261 | } | |
262 | ||
263 | function generateMagnetUri () { | |
264 | let baseUrlHttp, baseUrlWs | |
265 | ||
266 | if (this.isOwned()) { | |
267 | baseUrlHttp = constants.CONFIG.WEBSERVER.URL | |
268 | baseUrlWs = constants.CONFIG.WEBSERVER.WS + '://' + constants.CONFIG.WEBSERVER.HOSTNAME + ':' + constants.CONFIG.WEBSERVER.PORT | |
269 | } else { | |
270 | baseUrlHttp = constants.REMOTE_SCHEME.HTTP + '://' + this.Author.Pod.host | |
271 | baseUrlWs = constants.REMOTE_SCHEME.WS + '://' + this.Author.Pod.host | |
272 | } | |
273 | ||
274 | const xs = baseUrlHttp + constants.STATIC_PATHS.TORRENTS + this.getTorrentName() | |
275 | const announce = baseUrlWs + '/tracker/socket' | |
276 | const urlList = [ baseUrlHttp + constants.STATIC_PATHS.WEBSEED + this.getVideoFilename() ] | |
277 | ||
278 | const magnetHash = { | |
279 | xs, | |
280 | announce, | |
281 | urlList, | |
282 | infoHash: this.infoHash, | |
283 | name: this.name | |
284 | } | |
285 | ||
286 | return magnetUtil.encode(magnetHash) | |
287 | } | |
288 | ||
289 | function getVideoFilename () { | |
290 | if (this.isOwned()) return this.id + this.extname | |
291 | ||
292 | return this.remoteId + this.extname | |
293 | } | |
294 | ||
295 | function getThumbnailName () { | |
296 | // We always have a copy of the thumbnail | |
297 | return this.id + '.jpg' | |
298 | } | |
299 | ||
300 | function getPreviewName () { | |
301 | const extension = '.jpg' | |
302 | ||
303 | if (this.isOwned()) return this.id + extension | |
304 | ||
305 | return this.remoteId + extension | |
306 | } | |
307 | ||
308 | function getTorrentName () { | |
309 | const extension = '.torrent' | |
310 | ||
311 | if (this.isOwned()) return this.id + extension | |
312 | ||
313 | return this.remoteId + extension | |
314 | } | |
315 | ||
316 | function isOwned () { | |
317 | return this.remoteId === null | |
318 | } | |
319 | ||
320 | function toFormatedJSON () { | |
321 | let podHost | |
322 | ||
323 | if (this.Author.Pod) { | |
324 | podHost = this.Author.Pod.host | |
325 | } else { | |
326 | // It means it's our video | |
327 | podHost = constants.CONFIG.WEBSERVER.HOST | |
328 | } | |
329 | ||
330 | const json = { | |
331 | id: this.id, | |
332 | name: this.name, | |
333 | description: this.description, | |
334 | podHost, | |
335 | isLocal: this.isOwned(), | |
336 | magnetUri: this.generateMagnetUri(), | |
337 | author: this.Author.name, | |
338 | duration: this.duration, | |
339 | tags: map(this.Tags, 'name'), | |
340 | thumbnailPath: pathUtils.join(constants.STATIC_PATHS.THUMBNAILS, this.getThumbnailName()), | |
341 | createdAt: this.createdAt, | |
342 | updatedAt: this.updatedAt | |
343 | } | |
344 | ||
345 | return json | |
346 | } | |
347 | ||
348 | function toAddRemoteJSON (callback) { | |
349 | const self = this | |
350 | ||
351 | // Get thumbnail data to send to the other pod | |
352 | const thumbnailPath = pathUtils.join(constants.CONFIG.STORAGE.THUMBNAILS_DIR, this.getThumbnailName()) | |
353 | fs.readFile(thumbnailPath, function (err, thumbnailData) { | |
354 | if (err) { | |
355 | logger.error('Cannot read the thumbnail of the video') | |
356 | return callback(err) | |
357 | } | |
358 | ||
359 | const remoteVideo = { | |
360 | name: self.name, | |
361 | description: self.description, | |
362 | infoHash: self.infoHash, | |
363 | remoteId: self.id, | |
364 | author: self.Author.name, | |
365 | duration: self.duration, | |
366 | thumbnailData: thumbnailData.toString('binary'), | |
367 | tags: map(self.Tags, 'name'), | |
368 | createdAt: self.createdAt, | |
369 | updatedAt: self.updatedAt, | |
370 | extname: self.extname | |
371 | } | |
372 | ||
373 | return callback(null, remoteVideo) | |
374 | }) | |
375 | } | |
376 | ||
377 | function toUpdateRemoteJSON (callback) { | |
378 | const json = { | |
379 | name: this.name, | |
380 | description: this.description, | |
381 | infoHash: this.infoHash, | |
382 | remoteId: this.id, | |
383 | author: this.Author.name, | |
384 | duration: this.duration, | |
385 | tags: map(this.Tags, 'name'), | |
386 | createdAt: this.createdAt, | |
387 | updatedAt: this.updatedAt, | |
388 | extname: this.extname | |
389 | } | |
390 | ||
391 | return json | |
392 | } | |
393 | ||
394 | // ------------------------------ STATICS ------------------------------ | |
395 | ||
396 | function generateThumbnailFromData (video, thumbnailData, callback) { | |
397 | // Creating the thumbnail for a remote video | |
398 | ||
399 | const thumbnailName = video.getThumbnailName() | |
400 | const thumbnailPath = pathUtils.join(constants.CONFIG.STORAGE.THUMBNAILS_DIR, thumbnailName) | |
401 | fs.writeFile(thumbnailPath, Buffer.from(thumbnailData, 'binary'), function (err) { | |
402 | if (err) return callback(err) | |
403 | ||
404 | return callback(null, thumbnailName) | |
405 | }) | |
406 | } | |
407 | ||
408 | function getDurationFromFile (videoPath, callback) { | |
409 | ffmpeg.ffprobe(videoPath, function (err, metadata) { | |
410 | if (err) return callback(err) | |
411 | ||
412 | return callback(null, Math.floor(metadata.format.duration)) | |
413 | }) | |
414 | } | |
415 | ||
416 | function list (callback) { | |
417 | return this.findAll().asCallback(callback) | |
418 | } | |
419 | ||
420 | function listForApi (start, count, sort, callback) { | |
421 | const query = { | |
422 | offset: start, | |
423 | limit: count, | |
424 | distinct: true, // For the count, a video can have many tags | |
425 | order: [ modelUtils.getSort(sort), [ this.sequelize.models.Tag, 'name', 'ASC' ] ], | |
426 | include: [ | |
427 | { | |
428 | model: this.sequelize.models.Author, | |
429 | include: [ { model: this.sequelize.models.Pod, required: false } ] | |
430 | }, | |
431 | ||
432 | this.sequelize.models.Tag | |
433 | ] | |
434 | } | |
435 | ||
436 | return this.findAndCountAll(query).asCallback(function (err, result) { | |
437 | if (err) return callback(err) | |
438 | ||
439 | return callback(null, result.rows, result.count) | |
440 | }) | |
441 | } | |
442 | ||
443 | function loadByHostAndRemoteId (fromHost, remoteId, callback) { | |
444 | const query = { | |
445 | where: { | |
446 | remoteId: remoteId | |
447 | }, | |
448 | include: [ | |
449 | { | |
450 | model: this.sequelize.models.Author, | |
451 | include: [ | |
452 | { | |
453 | model: this.sequelize.models.Pod, | |
454 | required: true, | |
455 | where: { | |
456 | host: fromHost | |
457 | } | |
458 | } | |
459 | ] | |
460 | } | |
461 | ] | |
462 | } | |
463 | ||
464 | return this.findOne(query).asCallback(callback) | |
465 | } | |
466 | ||
467 | function listOwnedAndPopulateAuthorAndTags (callback) { | |
468 | // If remoteId is null this is *our* video | |
469 | const query = { | |
470 | where: { | |
471 | remoteId: null | |
472 | }, | |
473 | include: [ this.sequelize.models.Author, this.sequelize.models.Tag ] | |
474 | } | |
475 | ||
476 | return this.findAll(query).asCallback(callback) | |
477 | } | |
478 | ||
479 | function listOwnedByAuthor (author, callback) { | |
480 | const query = { | |
481 | where: { | |
482 | remoteId: null | |
483 | }, | |
484 | include: [ | |
485 | { | |
486 | model: this.sequelize.models.Author, | |
487 | where: { | |
488 | name: author | |
489 | } | |
490 | } | |
491 | ] | |
492 | } | |
493 | ||
494 | return this.findAll(query).asCallback(callback) | |
495 | } | |
496 | ||
497 | function load (id, callback) { | |
498 | return this.findById(id).asCallback(callback) | |
499 | } | |
500 | ||
501 | function loadAndPopulateAuthor (id, callback) { | |
502 | const options = { | |
503 | include: [ this.sequelize.models.Author ] | |
504 | } | |
505 | ||
506 | return this.findById(id, options).asCallback(callback) | |
507 | } | |
508 | ||
509 | function loadAndPopulateAuthorAndPodAndTags (id, callback) { | |
510 | const options = { | |
511 | include: [ | |
512 | { | |
513 | model: this.sequelize.models.Author, | |
514 | include: [ { model: this.sequelize.models.Pod, required: false } ] | |
515 | }, | |
516 | this.sequelize.models.Tag | |
517 | ] | |
518 | } | |
519 | ||
520 | return this.findById(id, options).asCallback(callback) | |
521 | } | |
522 | ||
523 | function searchAndPopulateAuthorAndPodAndTags (value, field, start, count, sort, callback) { | |
524 | const podInclude = { | |
525 | model: this.sequelize.models.Pod, | |
526 | required: false | |
527 | } | |
528 | ||
529 | const authorInclude = { | |
530 | model: this.sequelize.models.Author, | |
531 | include: [ | |
532 | podInclude | |
533 | ] | |
534 | } | |
535 | ||
536 | const tagInclude = { | |
537 | model: this.sequelize.models.Tag | |
538 | } | |
539 | ||
540 | const query = { | |
541 | where: {}, | |
542 | offset: start, | |
543 | limit: count, | |
544 | distinct: true, // For the count, a video can have many tags | |
545 | order: [ modelUtils.getSort(sort), [ this.sequelize.models.Tag, 'name', 'ASC' ] ] | |
546 | } | |
547 | ||
548 | // Make an exact search with the magnet | |
549 | if (field === 'magnetUri') { | |
550 | const infoHash = magnetUtil.decode(value).infoHash | |
551 | query.where.infoHash = infoHash | |
552 | } else if (field === 'tags') { | |
553 | const escapedValue = this.sequelize.escape('%' + value + '%') | |
554 | query.where = { | |
555 | id: { | |
556 | $in: this.sequelize.literal( | |
557 | '(SELECT "VideoTags"."videoId" FROM "Tags" INNER JOIN "VideoTags" ON "Tags"."id" = "VideoTags"."tagId" WHERE name LIKE ' + escapedValue + ')' | |
558 | ) | |
559 | } | |
560 | } | |
561 | } else if (field === 'host') { | |
562 | // FIXME: Include our pod? (not stored in the database) | |
563 | podInclude.where = { | |
564 | host: { | |
565 | $like: '%' + value + '%' | |
566 | } | |
567 | } | |
568 | podInclude.required = true | |
569 | } else if (field === 'author') { | |
570 | authorInclude.where = { | |
571 | name: { | |
572 | $like: '%' + value + '%' | |
573 | } | |
574 | } | |
575 | ||
576 | // authorInclude.or = true | |
577 | } else { | |
578 | query.where[field] = { | |
579 | $like: '%' + value + '%' | |
580 | } | |
581 | } | |
582 | ||
583 | query.include = [ | |
584 | authorInclude, tagInclude | |
585 | ] | |
586 | ||
587 | if (tagInclude.where) { | |
588 | // query.include.push([ this.sequelize.models.Tag ]) | |
589 | } | |
590 | ||
591 | return this.findAndCountAll(query).asCallback(function (err, result) { | |
592 | if (err) return callback(err) | |
593 | ||
594 | return callback(null, result.rows, result.count) | |
595 | }) | |
596 | } | |
597 | ||
598 | // --------------------------------------------------------------------------- | |
599 | ||
600 | function removeThumbnail (video, callback) { | |
601 | const thumbnailPath = pathUtils.join(constants.CONFIG.STORAGE.THUMBNAILS_DIR, video.getThumbnailName()) | |
602 | fs.unlink(thumbnailPath, callback) | |
603 | } | |
604 | ||
605 | function removeFile (video, callback) { | |
606 | const filePath = pathUtils.join(constants.CONFIG.STORAGE.VIDEOS_DIR, video.getVideoFilename()) | |
607 | fs.unlink(filePath, callback) | |
608 | } | |
609 | ||
610 | function removeTorrent (video, callback) { | |
611 | const torrenPath = pathUtils.join(constants.CONFIG.STORAGE.TORRENTS_DIR, video.getTorrentName()) | |
612 | fs.unlink(torrenPath, callback) | |
613 | } | |
614 | ||
615 | function removePreview (video, callback) { | |
616 | // Same name than video thumnail | |
617 | fs.unlink(constants.CONFIG.STORAGE.PREVIEWS_DIR + video.getPreviewName(), callback) | |
618 | } | |
619 | ||
620 | function createPreview (video, videoPath, callback) { | |
621 | generateImage(video, videoPath, constants.CONFIG.STORAGE.PREVIEWS_DIR, video.getPreviewName(), callback) | |
622 | } | |
623 | ||
624 | function createThumbnail (video, videoPath, callback) { | |
625 | generateImage(video, videoPath, constants.CONFIG.STORAGE.THUMBNAILS_DIR, video.getThumbnailName(), constants.THUMBNAILS_SIZE, callback) | |
626 | } | |
627 | ||
628 | function generateImage (video, videoPath, folder, imageName, size, callback) { | |
629 | const options = { | |
630 | filename: imageName, | |
631 | count: 1, | |
632 | folder | |
633 | } | |
634 | ||
635 | if (!callback) { | |
636 | callback = size | |
637 | } else { | |
638 | options.size = size | |
639 | } | |
640 | ||
641 | ffmpeg(videoPath) | |
642 | .on('error', callback) | |
643 | .on('end', function () { | |
644 | callback(null, imageName) | |
645 | }) | |
646 | .thumbnail(options) | |
647 | } |