aboutsummaryrefslogtreecommitdiffhomepage
path: root/server/middlewares/validators/videos.ts
blob: 213b4c46b93f9159c9bc10f8db5e863c4cecc60a (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
import 'express-validator'
import * as express from 'express'
import * as Promise from 'bluebird'
import * as validator from 'validator'

import { database as db } from '../../initializers/database'
import { checkErrors } from './utils'
import { CONSTRAINTS_FIELDS, SEARCHABLE_COLUMNS } from '../../initializers'
import { logger, isVideoDurationValid } from '../../helpers'
import { VideoInstance } from '../../models'

function videosAddValidator (req: express.Request, res: express.Response, next: express.NextFunction) {
  // FIXME: Don't write an error message, it seems there is a bug with express-validator
  // 'Should have a valid file'
  req.checkBody('videofile').isVideoFile(req.files)
  req.checkBody('name', 'Should have a valid name').isVideoNameValid()
  req.checkBody('category', 'Should have a valid category').isVideoCategoryValid()
  req.checkBody('licence', 'Should have a valid licence').isVideoLicenceValid()
  req.checkBody('language', 'Should have a valid language').optional().isVideoLanguageValid()
  req.checkBody('nsfw', 'Should have a valid NSFW attribute').isVideoNSFWValid()
  req.checkBody('description', 'Should have a valid description').isVideoDescriptionValid()
  req.checkBody('tags', 'Should have correct tags').optional().isVideoTagsValid()

  logger.debug('Checking videosAdd parameters', { parameters: req.body, files: req.files })

  checkErrors(req, res, () => {
    const videoFile: Express.Multer.File = req.files['videofile'][0]
    const user = res.locals.oauth.token.User

    user.isAbleToUploadVideo(videoFile)
      .then(isAble => {
        if (isAble === false) {
          res.status(403)
             .json({ error: 'The user video quota is exceeded with this video.' })
             .end()

          return undefined
        }

        return db.Video.getDurationFromFile(videoFile.path)
          .catch(err => {
            logger.error('Invalid input file in videosAddValidator.', err)
            res.status(400)
               .json({ error: 'Invalid input file.' })
               .end()

            return undefined
          })
      })
      .then(duration => {
        // Previous test failed, abort
        if (duration === undefined) return

        if (!isVideoDurationValid('' + duration)) {
          return res.status(400)
                    .json({
                      error: 'Duration of the video file is too big (max: ' + CONSTRAINTS_FIELDS.VIDEOS.DURATION.max + 's).'
                    })
                    .end()
        }

        videoFile['duration'] = duration
        next()
      })
      .catch(err => {
        logger.error('Error in video add validator', err)
        res.sendStatus(500)

        return undefined
      })

  })
}

function videosUpdateValidator (req: express.Request, res: express.Response, next: express.NextFunction) {
  req.checkParams('id', 'Should have a valid id').notEmpty().isVideoIdOrUUIDValid()
  req.checkBody('name', 'Should have a valid name').optional().isVideoNameValid()
  req.checkBody('category', 'Should have a valid category').optional().isVideoCategoryValid()
  req.checkBody('licence', 'Should have a valid licence').optional().isVideoLicenceValid()
  req.checkBody('language', 'Should have a valid language').optional().isVideoLanguageValid()
  req.checkBody('nsfw', 'Should have a valid NSFW attribute').optional().isVideoNSFWValid()
  req.checkBody('description', 'Should have a valid description').optional().isVideoDescriptionValid()
  req.checkBody('tags', 'Should have correct tags').optional().isVideoTagsValid()

  logger.debug('Checking videosUpdate parameters', { parameters: req.body })

  checkErrors(req, res, () => {
    checkVideoExists(req.params.id, res, () => {
      // We need to make additional checks
      if (res.locals.video.isOwned() === false) {
        return res.status(403)
                  .json({ error: 'Cannot update video of another pod' })
                  .end()
      }

      if (res.locals.video.Author.userId !== res.locals.oauth.token.User.id) {
        return res.status(403)
                  .json({ error: 'Cannot update video of another user' })
                  .end()
      }

      next()
    })
  })
}

function videosGetValidator (req: express.Request, res: express.Response, next: express.NextFunction) {
  req.checkParams('id', 'Should have a valid id').notEmpty().isVideoIdOrUUIDValid()

  logger.debug('Checking videosGet parameters', { parameters: req.params })

  checkErrors(req, res, () => {
    checkVideoExists(req.params.id, res, next)
  })
}

function videosRemoveValidator (req: express.Request, res: express.Response, next: express.NextFunction) {
  req.checkParams('id', 'Should have a valid id').notEmpty().isVideoIdOrUUIDValid()

  logger.debug('Checking videosRemove parameters', { parameters: req.params })

  checkErrors(req, res, () => {
    checkVideoExists(req.params.id, res, () => {
      // Check if the user who did the request is able to delete the video
      checkUserCanDeleteVideo(res.locals.oauth.token.User.id, res, () => {
        next()
      })
    })
  })
}

function videosSearchValidator (req: express.Request, res: express.Response, next: express.NextFunction) {
  const searchableColumns = SEARCHABLE_COLUMNS.VIDEOS
  req.checkParams('value', 'Should have a valid search').notEmpty()
  req.checkQuery('field', 'Should have correct searchable column').optional().isIn(searchableColumns)

  logger.debug('Checking videosSearch parameters', { parameters: req.params })

  checkErrors(req, res, next)
}

function videoAbuseReportValidator (req: express.Request, res: express.Response, next: express.NextFunction) {
  req.checkParams('id', 'Should have a valid id').notEmpty().isVideoIdOrUUIDValid()
  req.checkBody('reason', 'Should have a valid reason').isVideoAbuseReasonValid()

  logger.debug('Checking videoAbuseReport parameters', { parameters: req.body })

  checkErrors(req, res, () => {
    checkVideoExists(req.params.id, res, next)
  })
}

function videoRateValidator (req: express.Request, res: express.Response, next: express.NextFunction) {
  req.checkParams('id', 'Should have a valid id').notEmpty().isVideoIdOrUUIDValid()
  req.checkBody('rating', 'Should have a valid rate type').isVideoRatingTypeValid()

  logger.debug('Checking videoRate parameters', { parameters: req.body })

  checkErrors(req, res, () => {
    checkVideoExists(req.params.id, res, next)
  })
}

function videosBlacklistValidator (req: express.Request, res: express.Response, next: express.NextFunction) {
  req.checkParams('id', 'Should have a valid id').notEmpty().isVideoIdOrUUIDValid()

  logger.debug('Checking videosBlacklist parameters', { parameters: req.params })

  checkErrors(req, res, () => {
    checkVideoExists(req.params.id, res, () => {
      checkVideoIsBlacklistable(req, res, next)
    })
  })
}

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

export {
  videosAddValidator,
  videosUpdateValidator,
  videosGetValidator,
  videosRemoveValidator,
  videosSearchValidator,

  videoAbuseReportValidator,

  videoRateValidator,

  videosBlacklistValidator
}

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

function checkVideoExists (id: string, res: express.Response, callback: () => void) {
  let promise: Promise<VideoInstance>
  if (validator.isInt(id)) {
    promise = db.Video.loadAndPopulateAuthorAndPodAndTags(+id)
  } else { // UUID
    promise = db.Video.loadByUUIDAndPopulateAuthorAndPodAndTags(id)
  }

  promise.then(video => {
    if (!video) {
      return res.status(404)
                .json({ error: 'Video not found' })
                .end()
    }

    res.locals.video = video
    callback()
  })
  .catch(err => {
    logger.error('Error in video request validator.', err)
    return res.sendStatus(500)
  })
}

function checkUserCanDeleteVideo (userId: number, res: express.Response, callback: () => void) {
  // Retrieve the user who did the request
  db.User.loadById(userId)
    .then(user => {
      if (res.locals.video.isOwned() === false) {
        return res.status(403)
                  .json({ error: 'Cannot remove video of another pod, blacklist it' })
                  .end()
      }

      // Check if the user can delete the video
      // The user can delete it if s/he is an admin
      // Or if s/he is the video's author
      if (user.isAdmin() === false && res.locals.video.Author.userId !== res.locals.oauth.token.User.id) {
        return res.status(403)
                  .json({ error: 'Cannot remove video of another user' })
                  .end()
      }

      // If we reach this comment, we can delete the video
      callback()
    })
    .catch(err => {
      logger.error('Error in video request validator.', err)
      return res.sendStatus(500)
    })
}

function checkVideoIsBlacklistable (req: express.Request, res: express.Response, callback: () => void) {
  if (res.locals.video.isOwned() === true) {
    return res.status(403)
              .json({ error: 'Cannot blacklist a local video' })
              .end()
  }

  callback()
}