aboutsummaryrefslogtreecommitdiffhomepage
path: root/server/middlewares/validators/videos/video-comments.ts
blob: da2fafb10aaa32d6033244187b2fda2c5a72367a (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
import * as express from 'express'
import { body, param } from 'express-validator'
import { UserRight } from '../../../../shared'
import { isIdOrUUIDValid, isIdValid } from '../../../helpers/custom-validators/misc'
import { isValidVideoCommentText } from '../../../helpers/custom-validators/video-comments'
import { logger } from '../../../helpers/logger'
import { VideoCommentModel } from '../../../models/video/video-comment'
import { areValidationErrors } from '../utils'
import { Hooks } from '../../../lib/plugins/hooks'
import { AcceptResult, isLocalVideoCommentReplyAccepted, isLocalVideoThreadAccepted } from '../../../lib/moderation'
import { doesVideoExist } from '../../../helpers/middlewares'
import { MCommentOwner, MVideo, MVideoFullLight, MVideoId } from '../../../typings/models/video'
import { MUser } from '@server/typings/models'

const listVideoCommentThreadsValidator = [
  param('videoId').custom(isIdOrUUIDValid).not().isEmpty().withMessage('Should have a valid videoId'),

  async (req: express.Request, res: express.Response, next: express.NextFunction) => {
    logger.debug('Checking listVideoCommentThreads parameters.', { parameters: req.params })

    if (areValidationErrors(req, res)) return
    if (!await doesVideoExist(req.params.videoId, res, 'only-video')) return

    return next()
  }
]

const listVideoThreadCommentsValidator = [
  param('videoId').custom(isIdOrUUIDValid).not().isEmpty().withMessage('Should have a valid videoId'),
  param('threadId').custom(isIdValid).not().isEmpty().withMessage('Should have a valid threadId'),

  async (req: express.Request, res: express.Response, next: express.NextFunction) => {
    logger.debug('Checking listVideoThreadComments parameters.', { parameters: req.params })

    if (areValidationErrors(req, res)) return
    if (!await doesVideoExist(req.params.videoId, res, 'only-video')) return
    if (!await doesVideoCommentThreadExist(req.params.threadId, res.locals.onlyVideo, res)) return

    return next()
  }
]

const addVideoCommentThreadValidator = [
  param('videoId').custom(isIdOrUUIDValid).not().isEmpty().withMessage('Should have a valid videoId'),
  body('text').custom(isValidVideoCommentText).not().isEmpty().withMessage('Should have a valid comment text'),

  async (req: express.Request, res: express.Response, next: express.NextFunction) => {
    logger.debug('Checking addVideoCommentThread parameters.', { parameters: req.params, body: req.body })

    if (areValidationErrors(req, res)) return
    if (!await doesVideoExist(req.params.videoId, res)) return
    if (!isVideoCommentsEnabled(res.locals.videoAll, res)) return
    if (!await isVideoCommentAccepted(req, res, res.locals.videoAll, false)) return

    return next()
  }
]

const addVideoCommentReplyValidator = [
  param('videoId').custom(isIdOrUUIDValid).not().isEmpty().withMessage('Should have a valid videoId'),
  param('commentId').custom(isIdValid).not().isEmpty().withMessage('Should have a valid commentId'),
  body('text').custom(isValidVideoCommentText).not().isEmpty().withMessage('Should have a valid comment text'),

  async (req: express.Request, res: express.Response, next: express.NextFunction) => {
    logger.debug('Checking addVideoCommentReply parameters.', { parameters: req.params, body: req.body })

    if (areValidationErrors(req, res)) return
    if (!await doesVideoExist(req.params.videoId, res)) return
    if (!isVideoCommentsEnabled(res.locals.videoAll, res)) return
    if (!await doesVideoCommentExist(req.params.commentId, res.locals.videoAll, res)) return
    if (!await isVideoCommentAccepted(req, res, res.locals.videoAll, true)) return

    return next()
  }
]

const videoCommentGetValidator = [
  param('videoId').custom(isIdOrUUIDValid).not().isEmpty().withMessage('Should have a valid videoId'),
  param('commentId').custom(isIdValid).not().isEmpty().withMessage('Should have a valid commentId'),

  async (req: express.Request, res: express.Response, next: express.NextFunction) => {
    logger.debug('Checking videoCommentGetValidator parameters.', { parameters: req.params })

    if (areValidationErrors(req, res)) return
    if (!await doesVideoExist(req.params.videoId, res, 'id')) return
    if (!await doesVideoCommentExist(req.params.commentId, res.locals.videoId, res)) return

    return next()
  }
]

const removeVideoCommentValidator = [
  param('videoId').custom(isIdOrUUIDValid).not().isEmpty().withMessage('Should have a valid videoId'),
  param('commentId').custom(isIdValid).not().isEmpty().withMessage('Should have a valid commentId'),

  async (req: express.Request, res: express.Response, next: express.NextFunction) => {
    logger.debug('Checking removeVideoCommentValidator parameters.', { parameters: req.params })

    if (areValidationErrors(req, res)) return
    if (!await doesVideoExist(req.params.videoId, res)) return
    if (!await doesVideoCommentExist(req.params.commentId, res.locals.videoAll, res)) return

    // Check if the user who did the request is able to delete the video
    if (!checkUserCanDeleteVideoComment(res.locals.oauth.token.User, res.locals.videoCommentFull, res)) return

    return next()
  }
]

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

export {
  listVideoCommentThreadsValidator,
  listVideoThreadCommentsValidator,
  addVideoCommentThreadValidator,
  addVideoCommentReplyValidator,
  videoCommentGetValidator,
  removeVideoCommentValidator
}

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

async function doesVideoCommentThreadExist (idArg: number | string, video: MVideoId, res: express.Response) {
  const id = parseInt(idArg + '', 10)
  const videoComment = await VideoCommentModel.loadById(id)

  if (!videoComment) {
    res.status(404)
      .json({ error: 'Video comment thread not found' })
      .end()

    return false
  }

  if (videoComment.videoId !== video.id) {
    res.status(400)
      .json({ error: 'Video comment is not associated to this video.' })
      .end()

    return false
  }

  if (videoComment.inReplyToCommentId !== null) {
    res.status(400)
      .json({ error: 'Video comment is not a thread.' })
      .end()

    return false
  }

  res.locals.videoCommentThread = videoComment
  return true
}

async function doesVideoCommentExist (idArg: number | string, video: MVideoId, res: express.Response) {
  const id = parseInt(idArg + '', 10)
  const videoComment = await VideoCommentModel.loadByIdAndPopulateVideoAndAccountAndReply(id)

  if (!videoComment) {
    res.status(404)
      .json({ error: 'Video comment thread not found' })
      .end()

    return false
  }

  if (videoComment.videoId !== video.id) {
    res.status(400)
      .json({ error: 'Video comment is not associated to this video.' })
      .end()

    return false
  }

  res.locals.videoCommentFull = videoComment
  return true
}

function isVideoCommentsEnabled (video: MVideo, res: express.Response) {
  if (video.commentsEnabled !== true) {
    res.status(409)
      .json({ error: 'Video comments are disabled for this video.' })
      .end()

    return false
  }

  return true
}

function checkUserCanDeleteVideoComment (user: MUser, videoComment: MCommentOwner, res: express.Response) {
  if (videoComment.isDeleted()) {
    res.status(409)
      .json({ error: 'This comment is already deleted' })
      .end()
    return false
  }

  const account = videoComment.Account
  if (user.hasRight(UserRight.REMOVE_ANY_VIDEO_COMMENT) === false && account.userId !== user.id) {
    res.status(403)
      .json({ error: 'Cannot remove video comment of another user' })
      .end()
    return false
  }

  return true
}

async function isVideoCommentAccepted (req: express.Request, res: express.Response, video: MVideoFullLight, isReply: boolean) {
  const acceptParameters = {
    video,
    commentBody: req.body,
    user: res.locals.oauth.token.User
  }

  let acceptedResult: AcceptResult

  if (isReply) {
    const acceptReplyParameters = Object.assign(acceptParameters, { parentComment: res.locals.videoCommentFull })

    acceptedResult = await Hooks.wrapFun(
      isLocalVideoCommentReplyAccepted,
      acceptReplyParameters,
      'filter:api.video-comment-reply.create.accept.result'
    )
  } else {
    acceptedResult = await Hooks.wrapFun(
      isLocalVideoThreadAccepted,
      acceptParameters,
      'filter:api.video-thread.create.accept.result'
    )
  }

  if (!acceptedResult || acceptedResult.accepted !== true) {
    logger.info('Refused local comment.', { acceptedResult, acceptParameters })
    res.status(403)
              .json({ error: acceptedResult.errorMessage || 'Refused local comment' })

    return false
  }

  return true
}