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1 | import * as Bluebird from 'bluebird' | |
2 | import * as sequelize from 'sequelize' | |
3 | import * as magnetUtil from 'magnet-uri' | |
4 | import { join } from 'path' | |
5 | import * as request from 'request' | |
6 | import { ActivityIconObject, ActivityVideoUrlObject, VideoState, ActivityUrlObject } from '../../../shared/index' | |
7 | import { VideoTorrentObject } from '../../../shared/models/activitypub/objects' | |
8 | import { VideoPrivacy } from '../../../shared/models/videos' | |
9 | import { sanitizeAndCheckVideoTorrentObject } from '../../helpers/custom-validators/activitypub/videos' | |
10 | import { isVideoFileInfoHashValid } from '../../helpers/custom-validators/videos' | |
11 | import { resetSequelizeInstance, retryTransactionWrapper } from '../../helpers/database-utils' | |
12 | import { logger } from '../../helpers/logger' | |
13 | import { doRequest, doRequestAndSaveToFile } from '../../helpers/requests' | |
14 | import { ACTIVITY_PUB, CONFIG, REMOTE_SCHEME, sequelizeTypescript, VIDEO_MIMETYPE_EXT } from '../../initializers' | |
15 | import { ActorModel } from '../../models/activitypub/actor' | |
16 | import { TagModel } from '../../models/video/tag' | |
17 | import { VideoModel } from '../../models/video/video' | |
18 | import { VideoChannelModel } from '../../models/video/video-channel' | |
19 | import { VideoFileModel } from '../../models/video/video-file' | |
20 | import { getOrCreateActorAndServerAndModel } from './actor' | |
21 | import { addVideoComments } from './video-comments' | |
22 | import { crawlCollectionPage } from './crawl' | |
23 | import { sendCreateVideo, sendUpdateVideo } from './send' | |
24 | import { isArray } from '../../helpers/custom-validators/misc' | |
25 | import { VideoCaptionModel } from '../../models/video/video-caption' | |
26 | import { JobQueue } from '../job-queue' | |
27 | import { ActivitypubHttpFetcherPayload } from '../job-queue/handlers/activitypub-http-fetcher' | |
28 | import { createRates } from './video-rates' | |
29 | import { addVideoShares, shareVideoByServerAndChannel } from './share' | |
30 | import { AccountModel } from '../../models/account/account' | |
31 | ||
32 | async function federateVideoIfNeeded (video: VideoModel, isNewVideo: boolean, transaction?: sequelize.Transaction) { | |
33 | // If the video is not private and published, we federate it | |
34 | if (video.privacy !== VideoPrivacy.PRIVATE && video.state === VideoState.PUBLISHED) { | |
35 | // Fetch more attributes that we will need to serialize in AP object | |
36 | if (isArray(video.VideoCaptions) === false) { | |
37 | video.VideoCaptions = await video.$get('VideoCaptions', { | |
38 | attributes: [ 'language' ], | |
39 | transaction | |
40 | }) as VideoCaptionModel[] | |
41 | } | |
42 | ||
43 | if (isNewVideo) { | |
44 | // Now we'll add the video's meta data to our followers | |
45 | await sendCreateVideo(video, transaction) | |
46 | await shareVideoByServerAndChannel(video, transaction) | |
47 | } else { | |
48 | await sendUpdateVideo(video, transaction) | |
49 | } | |
50 | } | |
51 | } | |
52 | ||
53 | function fetchRemoteVideoStaticFile (video: VideoModel, path: string, reject: Function) { | |
54 | const host = video.VideoChannel.Account.Actor.Server.host | |
55 | ||
56 | // We need to provide a callback, if no we could have an uncaught exception | |
57 | return request.get(REMOTE_SCHEME.HTTP + '://' + host + path, err => { | |
58 | if (err) reject(err) | |
59 | }) | |
60 | } | |
61 | ||
62 | async function fetchRemoteVideoDescription (video: VideoModel) { | |
63 | const host = video.VideoChannel.Account.Actor.Server.host | |
64 | const path = video.getDescriptionPath() | |
65 | const options = { | |
66 | uri: REMOTE_SCHEME.HTTP + '://' + host + path, | |
67 | json: true | |
68 | } | |
69 | ||
70 | const { body } = await doRequest(options) | |
71 | return body.description ? body.description : '' | |
72 | } | |
73 | ||
74 | function generateThumbnailFromUrl (video: VideoModel, icon: ActivityIconObject) { | |
75 | const thumbnailName = video.getThumbnailName() | |
76 | const thumbnailPath = join(CONFIG.STORAGE.THUMBNAILS_DIR, thumbnailName) | |
77 | ||
78 | const options = { | |
79 | method: 'GET', | |
80 | uri: icon.url | |
81 | } | |
82 | return doRequestAndSaveToFile(options, thumbnailPath) | |
83 | } | |
84 | ||
85 | async function videoActivityObjectToDBAttributes ( | |
86 | videoChannel: VideoChannelModel, | |
87 | videoObject: VideoTorrentObject, | |
88 | to: string[] = [] | |
89 | ) { | |
90 | const privacy = to.indexOf(ACTIVITY_PUB.PUBLIC) !== -1 ? VideoPrivacy.PUBLIC : VideoPrivacy.UNLISTED | |
91 | const duration = videoObject.duration.replace(/[^\d]+/, '') | |
92 | ||
93 | let language: string | undefined | |
94 | if (videoObject.language) { | |
95 | language = videoObject.language.identifier | |
96 | } | |
97 | ||
98 | let category: number | undefined | |
99 | if (videoObject.category) { | |
100 | category = parseInt(videoObject.category.identifier, 10) | |
101 | } | |
102 | ||
103 | let licence: number | undefined | |
104 | if (videoObject.licence) { | |
105 | licence = parseInt(videoObject.licence.identifier, 10) | |
106 | } | |
107 | ||
108 | const description = videoObject.content || null | |
109 | const support = videoObject.support || null | |
110 | ||
111 | return { | |
112 | name: videoObject.name, | |
113 | uuid: videoObject.uuid, | |
114 | url: videoObject.id, | |
115 | category, | |
116 | licence, | |
117 | language, | |
118 | description, | |
119 | support, | |
120 | nsfw: videoObject.sensitive, | |
121 | commentsEnabled: videoObject.commentsEnabled, | |
122 | waitTranscoding: videoObject.waitTranscoding, | |
123 | state: videoObject.state, | |
124 | channelId: videoChannel.id, | |
125 | duration: parseInt(duration, 10), | |
126 | createdAt: new Date(videoObject.published), | |
127 | publishedAt: new Date(videoObject.published), | |
128 | // FIXME: updatedAt does not seems to be considered by Sequelize | |
129 | updatedAt: new Date(videoObject.updated), | |
130 | views: videoObject.views, | |
131 | likes: 0, | |
132 | dislikes: 0, | |
133 | remote: true, | |
134 | privacy | |
135 | } | |
136 | } | |
137 | ||
138 | function videoFileActivityUrlToDBAttributes (videoCreated: VideoModel, videoObject: VideoTorrentObject) { | |
139 | const fileUrls = videoObject.url.filter(u => isActivityVideoUrlObject(u)) as ActivityVideoUrlObject[] | |
140 | ||
141 | if (fileUrls.length === 0) { | |
142 | throw new Error('Cannot find video files for ' + videoCreated.url) | |
143 | } | |
144 | ||
145 | const attributes: VideoFileModel[] = [] | |
146 | for (const fileUrl of fileUrls) { | |
147 | // Fetch associated magnet uri | |
148 | const magnet = videoObject.url.find(u => { | |
149 | return u.mimeType === 'application/x-bittorrent;x-scheme-handler/magnet' && u.height === fileUrl.height | |
150 | }) | |
151 | ||
152 | if (!magnet) throw new Error('Cannot find associated magnet uri for file ' + fileUrl.href) | |
153 | ||
154 | const parsed = magnetUtil.decode(magnet.href) | |
155 | if (!parsed || isVideoFileInfoHashValid(parsed.infoHash) === false) { | |
156 | throw new Error('Cannot parse magnet URI ' + magnet.href) | |
157 | } | |
158 | ||
159 | const attribute = { | |
160 | extname: VIDEO_MIMETYPE_EXT[ fileUrl.mimeType ], | |
161 | infoHash: parsed.infoHash, | |
162 | resolution: fileUrl.height, | |
163 | size: fileUrl.size, | |
164 | videoId: videoCreated.id, | |
165 | fps: fileUrl.fps | |
166 | } as VideoFileModel | |
167 | attributes.push(attribute) | |
168 | } | |
169 | ||
170 | return attributes | |
171 | } | |
172 | ||
173 | function getOrCreateVideoChannelFromVideoObject (videoObject: VideoTorrentObject) { | |
174 | const channel = videoObject.attributedTo.find(a => a.type === 'Group') | |
175 | if (!channel) throw new Error('Cannot find associated video channel to video ' + videoObject.url) | |
176 | ||
177 | return getOrCreateActorAndServerAndModel(channel.id) | |
178 | } | |
179 | ||
180 | async function createVideo (videoObject: VideoTorrentObject, channelActor: ActorModel, waitThumbnail = false) { | |
181 | logger.debug('Adding remote video %s.', videoObject.id) | |
182 | ||
183 | const videoCreated: VideoModel = await sequelizeTypescript.transaction(async t => { | |
184 | const sequelizeOptions = { transaction: t } | |
185 | ||
186 | const videoData = await videoActivityObjectToDBAttributes(channelActor.VideoChannel, videoObject, videoObject.to) | |
187 | const video = VideoModel.build(videoData) | |
188 | ||
189 | const videoCreated = await video.save(sequelizeOptions) | |
190 | ||
191 | // Process files | |
192 | const videoFileAttributes = videoFileActivityUrlToDBAttributes(videoCreated, videoObject) | |
193 | if (videoFileAttributes.length === 0) { | |
194 | throw new Error('Cannot find valid files for video %s ' + videoObject.url) | |
195 | } | |
196 | ||
197 | const videoFilePromises = videoFileAttributes.map(f => VideoFileModel.create(f, { transaction: t })) | |
198 | await Promise.all(videoFilePromises) | |
199 | ||
200 | // Process tags | |
201 | const tags = videoObject.tag.map(t => t.name) | |
202 | const tagInstances = await TagModel.findOrCreateTags(tags, t) | |
203 | await videoCreated.$set('Tags', tagInstances, sequelizeOptions) | |
204 | ||
205 | // Process captions | |
206 | const videoCaptionsPromises = videoObject.subtitleLanguage.map(c => { | |
207 | return VideoCaptionModel.insertOrReplaceLanguage(videoCreated.id, c.identifier, t) | |
208 | }) | |
209 | await Promise.all(videoCaptionsPromises) | |
210 | ||
211 | logger.info('Remote video with uuid %s inserted.', videoObject.uuid) | |
212 | ||
213 | videoCreated.VideoChannel = channelActor.VideoChannel | |
214 | return videoCreated | |
215 | }) | |
216 | ||
217 | const p = generateThumbnailFromUrl(videoCreated, videoObject.icon) | |
218 | .catch(err => logger.warn('Cannot generate thumbnail of %s.', videoObject.id, { err })) | |
219 | ||
220 | if (waitThumbnail === true) await p | |
221 | ||
222 | return videoCreated | |
223 | } | |
224 | ||
225 | type SyncParam = { | |
226 | likes: boolean | |
227 | dislikes: boolean | |
228 | shares: boolean | |
229 | comments: boolean | |
230 | thumbnail: boolean | |
231 | refreshVideo: boolean | |
232 | } | |
233 | async function getOrCreateVideoAndAccountAndChannel ( | |
234 | videoObject: VideoTorrentObject | string, | |
235 | syncParam: SyncParam = { likes: true, dislikes: true, shares: true, comments: true, thumbnail: true, refreshVideo: false } | |
236 | ) { | |
237 | const videoUrl = typeof videoObject === 'string' ? videoObject : videoObject.id | |
238 | ||
239 | let videoFromDatabase = await VideoModel.loadByUrlAndPopulateAccount(videoUrl) | |
240 | if (videoFromDatabase) { | |
241 | const p = retryTransactionWrapper(refreshVideoIfNeeded, videoFromDatabase) | |
242 | if (syncParam.refreshVideo === true) videoFromDatabase = await p | |
243 | ||
244 | return { video: videoFromDatabase } | |
245 | } | |
246 | ||
247 | const { videoObject: fetchedVideo } = await fetchRemoteVideo(videoUrl) | |
248 | if (!fetchedVideo) throw new Error('Cannot fetch remote video with url: ' + videoUrl) | |
249 | ||
250 | const channelActor = await getOrCreateVideoChannelFromVideoObject(fetchedVideo) | |
251 | const video = await retryTransactionWrapper(createVideo, fetchedVideo, channelActor, syncParam.thumbnail) | |
252 | ||
253 | // Process outside the transaction because we could fetch remote data | |
254 | ||
255 | logger.info('Adding likes/dislikes/shares/comments of video %s.', video.uuid) | |
256 | ||
257 | const jobPayloads: ActivitypubHttpFetcherPayload[] = [] | |
258 | ||
259 | if (syncParam.likes === true) { | |
260 | await crawlCollectionPage<string>(fetchedVideo.likes, items => createRates(items, video, 'like')) | |
261 | .catch(err => logger.error('Cannot add likes of video %s.', video.uuid, { err })) | |
262 | } else { | |
263 | jobPayloads.push({ uri: fetchedVideo.likes, videoId: video.id, type: 'video-likes' as 'video-likes' }) | |
264 | } | |
265 | ||
266 | if (syncParam.dislikes === true) { | |
267 | await crawlCollectionPage<string>(fetchedVideo.dislikes, items => createRates(items, video, 'dislike')) | |
268 | .catch(err => logger.error('Cannot add dislikes of video %s.', video.uuid, { err })) | |
269 | } else { | |
270 | jobPayloads.push({ uri: fetchedVideo.dislikes, videoId: video.id, type: 'video-dislikes' as 'video-dislikes' }) | |
271 | } | |
272 | ||
273 | if (syncParam.shares === true) { | |
274 | await crawlCollectionPage<string>(fetchedVideo.shares, items => addVideoShares(items, video)) | |
275 | .catch(err => logger.error('Cannot add shares of video %s.', video.uuid, { err })) | |
276 | } else { | |
277 | jobPayloads.push({ uri: fetchedVideo.shares, videoId: video.id, type: 'video-shares' as 'video-shares' }) | |
278 | } | |
279 | ||
280 | if (syncParam.comments === true) { | |
281 | await crawlCollectionPage<string>(fetchedVideo.comments, items => addVideoComments(items, video)) | |
282 | .catch(err => logger.error('Cannot add comments of video %s.', video.uuid, { err })) | |
283 | } else { | |
284 | jobPayloads.push({ uri: fetchedVideo.shares, videoId: video.id, type: 'video-shares' as 'video-shares' }) | |
285 | } | |
286 | ||
287 | await Bluebird.map(jobPayloads, payload => JobQueue.Instance.createJob({ type: 'activitypub-http-fetcher', payload })) | |
288 | ||
289 | return { video } | |
290 | } | |
291 | ||
292 | async function fetchRemoteVideo (videoUrl: string): Promise<{ response: request.RequestResponse, videoObject: VideoTorrentObject }> { | |
293 | const options = { | |
294 | uri: videoUrl, | |
295 | method: 'GET', | |
296 | json: true, | |
297 | activityPub: true | |
298 | } | |
299 | ||
300 | logger.info('Fetching remote video %s.', videoUrl) | |
301 | ||
302 | const { response, body } = await doRequest(options) | |
303 | ||
304 | if (sanitizeAndCheckVideoTorrentObject(body) === false) { | |
305 | logger.debug('Remote video JSON is not valid.', { body }) | |
306 | return { response, videoObject: undefined } | |
307 | } | |
308 | ||
309 | return { response, videoObject: body } | |
310 | } | |
311 | ||
312 | async function refreshVideoIfNeeded (video: VideoModel): Promise<VideoModel> { | |
313 | if (!video.isOutdated()) return video | |
314 | ||
315 | try { | |
316 | const { response, videoObject } = await fetchRemoteVideo(video.url) | |
317 | if (response.statusCode === 404) { | |
318 | // Video does not exist anymore | |
319 | await video.destroy() | |
320 | return undefined | |
321 | } | |
322 | ||
323 | if (videoObject === undefined) { | |
324 | logger.warn('Cannot refresh remote video: invalid body.') | |
325 | return video | |
326 | } | |
327 | ||
328 | const channelActor = await getOrCreateVideoChannelFromVideoObject(videoObject) | |
329 | const account = await AccountModel.load(channelActor.VideoChannel.accountId) | |
330 | ||
331 | return updateVideoFromAP(video, videoObject, account, channelActor.VideoChannel) | |
332 | } catch (err) { | |
333 | logger.warn('Cannot refresh video.', { err }) | |
334 | return video | |
335 | } | |
336 | } | |
337 | ||
338 | async function updateVideoFromAP ( | |
339 | video: VideoModel, | |
340 | videoObject: VideoTorrentObject, | |
341 | account: AccountModel, | |
342 | channel: VideoChannelModel, | |
343 | overrideTo?: string[] | |
344 | ) { | |
345 | logger.debug('Updating remote video "%s".', videoObject.uuid) | |
346 | let videoFieldsSave: any | |
347 | ||
348 | try { | |
349 | const updatedVideo: VideoModel = await sequelizeTypescript.transaction(async t => { | |
350 | const sequelizeOptions = { | |
351 | transaction: t | |
352 | } | |
353 | ||
354 | videoFieldsSave = video.toJSON() | |
355 | ||
356 | // Check actor has the right to update the video | |
357 | const videoChannel = video.VideoChannel | |
358 | if (videoChannel.Account.id !== account.id) { | |
359 | throw new Error('Account ' + account.Actor.url + ' does not own video channel ' + videoChannel.Actor.url) | |
360 | } | |
361 | ||
362 | const to = overrideTo ? overrideTo : videoObject.to | |
363 | const videoData = await videoActivityObjectToDBAttributes(channel, videoObject, to) | |
364 | video.set('name', videoData.name) | |
365 | video.set('uuid', videoData.uuid) | |
366 | video.set('url', videoData.url) | |
367 | video.set('category', videoData.category) | |
368 | video.set('licence', videoData.licence) | |
369 | video.set('language', videoData.language) | |
370 | video.set('description', videoData.description) | |
371 | video.set('support', videoData.support) | |
372 | video.set('nsfw', videoData.nsfw) | |
373 | video.set('commentsEnabled', videoData.commentsEnabled) | |
374 | video.set('waitTranscoding', videoData.waitTranscoding) | |
375 | video.set('state', videoData.state) | |
376 | video.set('duration', videoData.duration) | |
377 | video.set('createdAt', videoData.createdAt) | |
378 | video.set('publishedAt', videoData.publishedAt) | |
379 | video.set('views', videoData.views) | |
380 | video.set('privacy', videoData.privacy) | |
381 | video.set('channelId', videoData.channelId) | |
382 | ||
383 | await video.save(sequelizeOptions) | |
384 | ||
385 | // Don't block on request | |
386 | generateThumbnailFromUrl(video, videoObject.icon) | |
387 | .catch(err => logger.warn('Cannot generate thumbnail of %s.', videoObject.id, { err })) | |
388 | ||
389 | // Remove old video files | |
390 | const videoFileDestroyTasks: Bluebird<void>[] = [] | |
391 | for (const videoFile of video.VideoFiles) { | |
392 | videoFileDestroyTasks.push(videoFile.destroy(sequelizeOptions)) | |
393 | } | |
394 | await Promise.all(videoFileDestroyTasks) | |
395 | ||
396 | const videoFileAttributes = videoFileActivityUrlToDBAttributes(video, videoObject) | |
397 | const tasks = videoFileAttributes.map(f => VideoFileModel.create(f, sequelizeOptions)) | |
398 | await Promise.all(tasks) | |
399 | ||
400 | // Update Tags | |
401 | const tags = videoObject.tag.map(tag => tag.name) | |
402 | const tagInstances = await TagModel.findOrCreateTags(tags, t) | |
403 | await video.$set('Tags', tagInstances, sequelizeOptions) | |
404 | ||
405 | // Update captions | |
406 | await VideoCaptionModel.deleteAllCaptionsOfRemoteVideo(video.id, t) | |
407 | ||
408 | const videoCaptionsPromises = videoObject.subtitleLanguage.map(c => { | |
409 | return VideoCaptionModel.insertOrReplaceLanguage(video.id, c.identifier, t) | |
410 | }) | |
411 | await Promise.all(videoCaptionsPromises) | |
412 | }) | |
413 | ||
414 | logger.info('Remote video with uuid %s updated', videoObject.uuid) | |
415 | ||
416 | return updatedVideo | |
417 | } catch (err) { | |
418 | if (video !== undefined && videoFieldsSave !== undefined) { | |
419 | resetSequelizeInstance(video, videoFieldsSave) | |
420 | } | |
421 | ||
422 | // This is just a debug because we will retry the insert | |
423 | logger.debug('Cannot update the remote video.', { err }) | |
424 | throw err | |
425 | } | |
426 | } | |
427 | ||
428 | export { | |
429 | updateVideoFromAP, | |
430 | federateVideoIfNeeded, | |
431 | fetchRemoteVideo, | |
432 | getOrCreateVideoAndAccountAndChannel, | |
433 | fetchRemoteVideoStaticFile, | |
434 | fetchRemoteVideoDescription, | |
435 | generateThumbnailFromUrl, | |
436 | videoActivityObjectToDBAttributes, | |
437 | videoFileActivityUrlToDBAttributes, | |
438 | createVideo, | |
439 | getOrCreateVideoChannelFromVideoObject, | |
440 | addVideoShares, | |
441 | createRates | |
442 | } | |
443 | ||
444 | // --------------------------------------------------------------------------- | |
445 | ||
446 | function isActivityVideoUrlObject (url: ActivityUrlObject): url is ActivityVideoUrlObject { | |
447 | const mimeTypes = Object.keys(VIDEO_MIMETYPE_EXT) | |
448 | ||
449 | return mimeTypes.indexOf(url.mimeType) !== -1 && url.mimeType.startsWith('video/') | |
450 | } |