aboutsummaryrefslogtreecommitdiffhomepage
path: root/server/controllers/api/search.ts
blob: a0da5e30cfbee0e3dff45556d7eb762bfee76437 (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
import * as express from 'express'
import { sanitizeUrl } from '@server/helpers/core-utils'
import { doRequest } from '@server/helpers/requests'
import { CONFIG } from '@server/initializers/config'
import { getOrCreateVideoAndAccountAndChannel } from '@server/lib/activitypub/videos'
import { AccountBlocklistModel } from '@server/models/account/account-blocklist'
import { getServerActor } from '@server/models/application/application'
import { ServerBlocklistModel } from '@server/models/server/server-blocklist'
import { ResultList, Video, VideoChannel } from '@shared/models'
import { SearchTargetQuery } from '@shared/models/search/search-target-query.model'
import { VideoChannelsSearchQuery, VideosSearchQuery } from '../../../shared/models/search'
import { buildNSFWFilter, isUserAbleToSearchRemoteURI } from '../../helpers/express-utils'
import { logger } from '../../helpers/logger'
import { getFormattedObjects } from '../../helpers/utils'
import { loadActorUrlOrGetFromWebfinger } from '../../helpers/webfinger'
import { getOrCreateActorAndServerAndModel } from '../../lib/activitypub/actor'
import {
  asyncMiddleware,
  commonVideosFiltersValidator,
  optionalAuthenticate,
  paginationValidator,
  setDefaultPagination,
  setDefaultSearchSort,
  videoChannelsSearchSortValidator,
  videoChannelsSearchValidator,
  videosSearchSortValidator,
  videosSearchValidator
} from '../../middlewares'
import { VideoModel } from '../../models/video/video'
import { VideoChannelModel } from '../../models/video/video-channel'
import { MChannelAccountDefault, MVideoAccountLightBlacklistAllFiles } from '../../typings/models'

const searchRouter = express.Router()

searchRouter.get('/videos',
  paginationValidator,
  setDefaultPagination,
  videosSearchSortValidator,
  setDefaultSearchSort,
  optionalAuthenticate,
  commonVideosFiltersValidator,
  videosSearchValidator,
  asyncMiddleware(searchVideos)
)

searchRouter.get('/video-channels',
  paginationValidator,
  setDefaultPagination,
  videoChannelsSearchSortValidator,
  setDefaultSearchSort,
  optionalAuthenticate,
  videoChannelsSearchValidator,
  asyncMiddleware(searchVideoChannels)
)

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

export { searchRouter }

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

function searchVideoChannels (req: express.Request, res: express.Response) {
  const query: VideoChannelsSearchQuery = req.query
  const search = query.search

  const isURISearch = search.startsWith('http://') || search.startsWith('https://')

  const parts = search.split('@')

  // Handle strings like @toto@example.com
  if (parts.length === 3 && parts[0].length === 0) parts.shift()
  const isWebfingerSearch = parts.length === 2 && parts.every(p => p && !p.includes(' '))

  if (isURISearch || isWebfingerSearch) return searchVideoChannelURI(search, isWebfingerSearch, res)

  // @username -> username to search in DB
  if (query.search.startsWith('@')) query.search = query.search.replace(/^@/, '')

  if (isSearchIndexSearch(query)) {
    return searchVideoChannelsIndex(query, res)
  }

  return searchVideoChannelsDB(query, res)
}

async function searchVideoChannelsIndex (query: VideoChannelsSearchQuery, res: express.Response) {
  logger.debug('Doing channels search on search index.')

  const result = await buildMutedForSearchIndex(res)

  const body = Object.assign(query, result)

  const url = sanitizeUrl(CONFIG.SEARCH.SEARCH_INDEX.URL) + '/api/v1/search/video-channels'

  try {
    const searchIndexResult = await doRequest<ResultList<VideoChannel>>({ uri: url, body, json: true })

    return res.json(searchIndexResult.body)
  } catch (err) {
    logger.warn('Cannot use search index to make video channels search.', { err })

    return res.sendStatus(500)
  }
}

async function searchVideoChannelsDB (query: VideoChannelsSearchQuery, res: express.Response) {
  const serverActor = await getServerActor()

  const options = {
    actorId: serverActor.id,
    search: query.search,
    start: query.start,
    count: query.count,
    sort: query.sort
  }
  const resultList = await VideoChannelModel.searchForApi(options)

  return res.json(getFormattedObjects(resultList.data, resultList.total))
}

async function searchVideoChannelURI (search: string, isWebfingerSearch: boolean, res: express.Response) {
  let videoChannel: MChannelAccountDefault
  let uri = search

  if (isWebfingerSearch) {
    try {
      uri = await loadActorUrlOrGetFromWebfinger(search)
    } catch (err) {
      logger.warn('Cannot load actor URL or get from webfinger.', { search, err })

      return res.json({ total: 0, data: [] })
    }
  }

  if (isUserAbleToSearchRemoteURI(res)) {
    try {
      const actor = await getOrCreateActorAndServerAndModel(uri, 'all', true, true)
      videoChannel = actor.VideoChannel
    } catch (err) {
      logger.info('Cannot search remote video channel %s.', uri, { err })
    }
  } else {
    videoChannel = await VideoChannelModel.loadByUrlAndPopulateAccount(uri)
  }

  return res.json({
    total: videoChannel ? 1 : 0,
    data: videoChannel ? [ videoChannel.toFormattedJSON() ] : []
  })
}

function searchVideos (req: express.Request, res: express.Response) {
  const query: VideosSearchQuery = req.query
  const search = query.search

  if (search && (search.startsWith('http://') || search.startsWith('https://'))) {
    return searchVideoURI(search, res)
  }

  if (isSearchIndexSearch(query)) {
    return searchVideosIndex(query, res)
  }

  return searchVideosDB(query, res)
}

async function searchVideosIndex (query: VideosSearchQuery, res: express.Response) {
  logger.debug('Doing videos search on search index.')

  const result = await buildMutedForSearchIndex(res)

  const body: VideosSearchQuery = Object.assign(query, result)

  // Use the default instance NSFW policy if not specified
  if (!body.nsfw) {
    const nsfwPolicy = res.locals.oauth
      ? res.locals.oauth.token.User.nsfwPolicy
      : CONFIG.INSTANCE.DEFAULT_NSFW_POLICY

    body.nsfw = nsfwPolicy === 'do_not_list'
      ? 'false'
      : 'both'
  }

  const url = sanitizeUrl(CONFIG.SEARCH.SEARCH_INDEX.URL) + '/api/v1/search/videos'

  try {
    const searchIndexResult = await doRequest<ResultList<Video>>({ uri: url, body, json: true })

    return res.json(searchIndexResult.body)
  } catch (err) {
    logger.warn('Cannot use search index to make video search.', { err })

    return res.sendStatus(500)
  }
}

async function searchVideosDB (query: VideosSearchQuery, res: express.Response) {
  const options = Object.assign(query, {
    includeLocalVideos: true,
    nsfw: buildNSFWFilter(res, query.nsfw),
    filter: query.filter,
    user: res.locals.oauth ? res.locals.oauth.token.User : undefined
  })
  const resultList = await VideoModel.searchAndPopulateAccountAndServer(options)

  return res.json(getFormattedObjects(resultList.data, resultList.total))
}

async function searchVideoURI (url: string, res: express.Response) {
  let video: MVideoAccountLightBlacklistAllFiles

  // Check if we can fetch a remote video with the URL
  if (isUserAbleToSearchRemoteURI(res)) {
    try {
      const syncParam = {
        likes: false,
        dislikes: false,
        shares: false,
        comments: false,
        thumbnail: true,
        refreshVideo: false
      }

      const result = await getOrCreateVideoAndAccountAndChannel({ videoObject: url, syncParam })
      video = result ? result.video : undefined
    } catch (err) {
      logger.info('Cannot search remote video %s.', url, { err })
    }
  } else {
    video = await VideoModel.loadByUrlAndPopulateAccount(url)
  }

  return res.json({
    total: video ? 1 : 0,
    data: video ? [ video.toFormattedJSON() ] : []
  })
}

function isSearchIndexSearch (query: SearchTargetQuery) {
  if (query.searchTarget === 'search-index') return true

  const searchIndexConfig = CONFIG.SEARCH.SEARCH_INDEX

  if (searchIndexConfig.ENABLED !== true) return false

  if (searchIndexConfig.DISABLE_LOCAL_SEARCH) return true
  if (searchIndexConfig.IS_DEFAULT_SEARCH && !query.searchTarget) return true

  return false
}

async function buildMutedForSearchIndex (res: express.Response) {
  const serverActor = await getServerActor()
  const accountIds = [ serverActor.Account.id ]

  if (res.locals.oauth) {
    accountIds.push(res.locals.oauth.token.User.Account.id)
  }

  const [ blockedHosts, blockedAccounts ] = await Promise.all([
    ServerBlocklistModel.listHostsBlockedBy(accountIds),
    AccountBlocklistModel.listHandlesBlockedBy(accountIds)
  ])

  return {
    blockedHosts,
    blockedAccounts
  }
}