aboutsummaryrefslogtreecommitdiffhomepage
path: root/server/controllers/api/remote/videos.ts
blob: 23023211f8a877d1cb7495a82632964617419e01 (plain) (blame)
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
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
import * as express from 'express'
import * as Promise from 'bluebird'

import { database as db } from '../../../initializers/database'
import {
  REQUEST_ENDPOINT_ACTIONS,
  REQUEST_ENDPOINTS,
  REQUEST_VIDEO_EVENT_TYPES,
  REQUEST_VIDEO_QADU_TYPES
} from '../../../initializers'
import {
  checkSignature,
  signatureValidator,
  remoteVideosValidator,
  remoteQaduVideosValidator,
  remoteEventsVideosValidator
} from '../../../middlewares'
import { logger, retryTransactionWrapper } from '../../../helpers'
import { quickAndDirtyUpdatesVideoToFriends } from '../../../lib'
import { PodInstance, VideoFileInstance } from '../../../models'
import {
  RemoteVideoRequest,
  RemoteVideoCreateData,
  RemoteVideoUpdateData,
  RemoteVideoRemoveData,
  RemoteVideoReportAbuseData,
  RemoteQaduVideoRequest,
  RemoteQaduVideoData,
  RemoteVideoEventRequest,
  RemoteVideoEventData
} from '../../../../shared'

const ENDPOINT_ACTIONS = REQUEST_ENDPOINT_ACTIONS[REQUEST_ENDPOINTS.VIDEOS]

// Functions to call when processing a remote request
const functionsHash: { [ id: string ]: (...args) => Promise<any> } = {}
functionsHash[ENDPOINT_ACTIONS.ADD] = addRemoteVideoRetryWrapper
functionsHash[ENDPOINT_ACTIONS.UPDATE] = updateRemoteVideoRetryWrapper
functionsHash[ENDPOINT_ACTIONS.REMOVE] = removeRemoteVideo
functionsHash[ENDPOINT_ACTIONS.REPORT_ABUSE] = reportAbuseRemoteVideo

const remoteVideosRouter = express.Router()

remoteVideosRouter.post('/',
  signatureValidator,
  checkSignature,
  remoteVideosValidator,
  remoteVideos
)

remoteVideosRouter.post('/qadu',
  signatureValidator,
  checkSignature,
  remoteQaduVideosValidator,
  remoteVideosQadu
)

remoteVideosRouter.post('/events',
  signatureValidator,
  checkSignature,
  remoteEventsVideosValidator,
  remoteVideosEvents
)

// ---------------------------------------------------------------------------

export {
  remoteVideosRouter
}

// ---------------------------------------------------------------------------

function remoteVideos (req: express.Request, res: express.Response, next: express.NextFunction) {
  const requests: RemoteVideoRequest[] = req.body.data
  const fromPod = res.locals.secure.pod

  // We need to process in the same order to keep consistency
  Promise.each(requests, request => {
    const data = request.data

    // Get the function we need to call in order to process the request
    const fun = functionsHash[request.type]
    if (fun === undefined) {
      logger.error('Unknown remote request type %s.', request.type)
      return
    }

    return fun.call(this, data, fromPod)
  })
  .catch(err => logger.error('Error managing remote videos.', err))

  // Don't block the other pod
  return res.type('json').status(204).end()
}

function remoteVideosQadu (req: express.Request, res: express.Response, next: express.NextFunction) {
  const requests: RemoteQaduVideoRequest[] = req.body.data
  const fromPod = res.locals.secure.pod

  Promise.each(requests, request => {
    const videoData = request.data

    return quickAndDirtyUpdateVideoRetryWrapper(videoData, fromPod)
  })
  .catch(err => logger.error('Error managing remote videos.', err))

  return res.type('json').status(204).end()
}

function remoteVideosEvents (req: express.Request, res: express.Response, next: express.NextFunction) {
  const requests: RemoteVideoEventRequest[] = req.body.data
  const fromPod = res.locals.secure.pod

  Promise.each(requests, request => {
    const eventData = request.data

    return processVideosEventsRetryWrapper(eventData, fromPod)
  })
  .catch(err => logger.error('Error managing remote videos.', err))

  return res.type('json').status(204).end()
}

function processVideosEventsRetryWrapper (eventData: RemoteVideoEventData, fromPod: PodInstance) {
  const options = {
    arguments: [ eventData, fromPod ],
    errorMessage: 'Cannot process videos events with many retries.'
  }

  return retryTransactionWrapper(processVideosEvents, options)
}

function processVideosEvents (eventData: RemoteVideoEventData, fromPod: PodInstance) {

  return db.sequelize.transaction(t => {
    return fetchVideoByUUID(eventData.uuid)
      .then(videoInstance => {
        const options = { transaction: t }

        let columnToUpdate
        let qaduType

        switch (eventData.eventType) {
        case REQUEST_VIDEO_EVENT_TYPES.VIEWS:
          columnToUpdate = 'views'
          qaduType = REQUEST_VIDEO_QADU_TYPES.VIEWS
          break

        case REQUEST_VIDEO_EVENT_TYPES.LIKES:
          columnToUpdate = 'likes'
          qaduType = REQUEST_VIDEO_QADU_TYPES.LIKES
          break

        case REQUEST_VIDEO_EVENT_TYPES.DISLIKES:
          columnToUpdate = 'dislikes'
          qaduType = REQUEST_VIDEO_QADU_TYPES.DISLIKES
          break

        default:
          throw new Error('Unknown video event type.')
        }

        const query = {}
        query[columnToUpdate] = eventData.count

        return videoInstance.increment(query, options).then(() => ({ videoInstance, qaduType }))
      })
      .then(({ videoInstance, qaduType }) => {
        const qadusParams = [
          {
            videoId: videoInstance.id,
            type: qaduType
          }
        ]

        return quickAndDirtyUpdatesVideoToFriends(qadusParams, t)
      })
  })
  .then(() => logger.info('Remote video event processed for video with uuid %s.', eventData.uuid))
  .catch(err => {
    logger.debug('Cannot process a video event.', err)
    throw err
  })
}

function quickAndDirtyUpdateVideoRetryWrapper (videoData: RemoteQaduVideoData, fromPod: PodInstance) {
  const options = {
    arguments: [ videoData, fromPod ],
    errorMessage: 'Cannot update quick and dirty the remote video with many retries.'
  }

  return retryTransactionWrapper(quickAndDirtyUpdateVideo, options)
}

function quickAndDirtyUpdateVideo (videoData: RemoteQaduVideoData, fromPod: PodInstance) {
  let videoUUID = ''

  return db.sequelize.transaction(t => {
    return fetchVideoByHostAndUUID(fromPod.host, videoData.uuid)
      .then(videoInstance => {
        const options = { transaction: t }

        videoUUID = videoInstance.uuid

        if (videoData.views) {
          videoInstance.set('views', videoData.views)
        }

        if (videoData.likes) {
          videoInstance.set('likes', videoData.likes)
        }

        if (videoData.dislikes) {
          videoInstance.set('dislikes', videoData.dislikes)
        }

        return videoInstance.save(options)
      })
  })
  .then(() => logger.info('Remote video with uuid %s quick and dirty updated', videoUUID))
  .catch(err => logger.debug('Cannot quick and dirty update the remote video.', err))
}

// Handle retries on fail
function addRemoteVideoRetryWrapper (videoToCreateData: RemoteVideoCreateData, fromPod: PodInstance) {
  const options = {
    arguments: [ videoToCreateData, fromPod ],
    errorMessage: 'Cannot insert the remote video with many retries.'
  }

  return retryTransactionWrapper(addRemoteVideo, options)
}

function addRemoteVideo (videoToCreateData: RemoteVideoCreateData, fromPod: PodInstance) {
  logger.debug('Adding remote video "%s".', videoToCreateData.uuid)

  return db.sequelize.transaction(t => {
    return db.Video.loadByUUID(videoToCreateData.uuid)
      .then(video => {
        if (video) throw new Error('UUID already exists.')

        return undefined
      })
      .then(() => {
        const name = videoToCreateData.author
        const podId = fromPod.id
        // This author is from another pod so we do not associate a user
        const userId = null

        return db.Author.findOrCreateAuthor(name, podId, userId, t)
      })
      .then(author => {
        const tags = videoToCreateData.tags

        return db.Tag.findOrCreateTags(tags, t).then(tagInstances => ({ author, tagInstances }))
      })
      .then(({ author, tagInstances }) => {
        const videoData = {
          name: videoToCreateData.name,
          uuid: videoToCreateData.uuid,
          category: videoToCreateData.category,
          licence: videoToCreateData.licence,
          language: videoToCreateData.language,
          nsfw: videoToCreateData.nsfw,
          description: videoToCreateData.description,
          authorId: author.id,
          duration: videoToCreateData.duration,
          createdAt: videoToCreateData.createdAt,
          // FIXME: updatedAt does not seems to be considered by Sequelize
          updatedAt: videoToCreateData.updatedAt,
          views: videoToCreateData.views,
          likes: videoToCreateData.likes,
          dislikes: videoToCreateData.dislikes,
          remote: true
        }

        const video = db.Video.build(videoData)
        return { tagInstances, video }
      })
      .then(({ tagInstances, video }) => {
        return db.Video.generateThumbnailFromData(video, videoToCreateData.thumbnailData).then(() => ({ tagInstances, video }))
      })
      .then(({ tagInstances, video }) => {
        const options = {
          transaction: t
        }

        return video.save(options).then(videoCreated => ({ tagInstances, videoCreated }))
      })
      .then(({ tagInstances, videoCreated }) => {
        const tasks = []
        const options = {
          transaction: t
        }

        videoToCreateData.files.forEach(fileData => {
          const videoFileInstance = db.VideoFile.build({
            extname: fileData.extname,
            infoHash: fileData.infoHash,
            resolution: fileData.resolution,
            size: fileData.size,
            videoId: videoCreated.id
          })

          tasks.push(videoFileInstance.save(options))
        })

        return Promise.all(tasks).then(() => ({ tagInstances, videoCreated }))
      })
      .then(({ tagInstances, videoCreated }) => {
        const options = {
          transaction: t
        }

        return videoCreated.setTags(tagInstances, options)
      })
  })
  .then(() => logger.info('Remote video with uuid %s inserted.', videoToCreateData.uuid))
  .catch(err => {
    logger.debug('Cannot insert the remote video.', err)
    throw err
  })
}

// Handle retries on fail
function updateRemoteVideoRetryWrapper (videoAttributesToUpdate: RemoteVideoUpdateData, fromPod: PodInstance) {
  const options = {
    arguments: [ videoAttributesToUpdate, fromPod ],
    errorMessage: 'Cannot update the remote video with many retries'
  }

  return retryTransactionWrapper(updateRemoteVideo, options)
}

function updateRemoteVideo (videoAttributesToUpdate: RemoteVideoUpdateData, fromPod: PodInstance) {
  logger.debug('Updating remote video "%s".', videoAttributesToUpdate.uuid)

  return db.sequelize.transaction(t => {
    return fetchVideoByHostAndUUID(fromPod.host, videoAttributesToUpdate.uuid)
      .then(videoInstance => {
        const tags = videoAttributesToUpdate.tags

        return db.Tag.findOrCreateTags(tags, t).then(tagInstances => ({ videoInstance, tagInstances }))
      })
      .then(({ videoInstance, tagInstances }) => {
        const options = { transaction: t }

        videoInstance.set('name', videoAttributesToUpdate.name)
        videoInstance.set('category', videoAttributesToUpdate.category)
        videoInstance.set('licence', videoAttributesToUpdate.licence)
        videoInstance.set('language', videoAttributesToUpdate.language)
        videoInstance.set('nsfw', videoAttributesToUpdate.nsfw)
        videoInstance.set('description', videoAttributesToUpdate.description)
        videoInstance.set('duration', videoAttributesToUpdate.duration)
        videoInstance.set('createdAt', videoAttributesToUpdate.createdAt)
        videoInstance.set('updatedAt', videoAttributesToUpdate.updatedAt)
        videoInstance.set('views', videoAttributesToUpdate.views)
        videoInstance.set('likes', videoAttributesToUpdate.likes)
        videoInstance.set('dislikes', videoAttributesToUpdate.dislikes)

        return videoInstance.save(options).then(() => ({ videoInstance, tagInstances }))
      })
      .then(({ tagInstances, videoInstance }) => {
        const tasks: Promise<void>[] = []

        // Remove old video files
        videoInstance.VideoFiles.forEach(videoFile => {
          tasks.push(videoFile.destroy())
        })

        return Promise.all(tasks).then(() => ({ tagInstances, videoInstance }))
      })
      .then(({ tagInstances, videoInstance }) => {
        const tasks: Promise<VideoFileInstance>[] = []
        const options = {
          transaction: t
        }

        videoAttributesToUpdate.files.forEach(fileData => {
          const videoFileInstance = db.VideoFile.build({
            extname: fileData.extname,
            infoHash: fileData.infoHash,
            resolution: fileData.resolution,
            size: fileData.size,
            videoId: videoInstance.id
          })

          tasks.push(videoFileInstance.save(options))
        })

        return Promise.all(tasks).then(() => ({ tagInstances, videoInstance }))
      })
      .then(({ videoInstance, tagInstances }) => {
        const options = { transaction: t }

        return videoInstance.setTags(tagInstances, options)
      })
  })
  .then(() => logger.info('Remote video with uuid %s updated', videoAttributesToUpdate.uuid))
  .catch(err => {
    // This is just a debug because we will retry the insert
    logger.debug('Cannot update the remote video.', err)
    throw err
  })
}

function removeRemoteVideo (videoToRemoveData: RemoteVideoRemoveData, fromPod: PodInstance) {
  // We need the instance because we have to remove some other stuffs (thumbnail etc)
  return fetchVideoByHostAndUUID(fromPod.host, videoToRemoveData.uuid)
    .then(video => {
      logger.debug('Removing remote video with uuid %s.', video.uuid)
      return video.destroy()
    })
    .catch(err => {
      logger.debug('Could not fetch remote video.', { host: fromPod.host, uuid: videoToRemoveData.uuid, error: err.stack })
    })
}

function reportAbuseRemoteVideo (reportData: RemoteVideoReportAbuseData, fromPod: PodInstance) {
  return fetchVideoByUUID(reportData.videoUUID)
    .then(video => {
      logger.debug('Reporting remote abuse for video %s.', video.id)

      const videoAbuseData = {
        reporterUsername: reportData.reporterUsername,
        reason: reportData.reportReason,
        reporterPodId: fromPod.id,
        videoId: video.id
      }

      return db.VideoAbuse.create(videoAbuseData)
    })
    .catch(err => logger.error('Cannot create remote abuse video.', err))
}

function fetchVideoByUUID (id: string) {
  return db.Video.loadByUUID(id)
    .then(video => {
      if (!video) throw new Error('Video not found')

      return video
    })
    .catch(err => {
      logger.error('Cannot load owned video from id.', { error: err.stack, id })
      throw err
    })
}

function fetchVideoByHostAndUUID (podHost: string, uuid: string) {
  return db.Video.loadByHostAndUUID(podHost, uuid)
    .then(video => {
      if (!video) throw new Error('Video not found')

      return video
    })
    .catch(err => {
      logger.error('Cannot load video from host and uuid.', { error: err.stack, podHost, uuid })
      throw err
    })
}