4 files changed, 448 insertions, 0 deletions

diff --git a/server/controllers/api/search/index.ts b/server/controllers/api/search/index.ts
new file mode 100644
index 000000000..67adbb307
--- /dev/null
+++ b/server/controllers/api/search/index.ts
@@ -0,0 +1,16 @@
+import * as express from 'express'
+import { searchChannelsRouter } from './search-video-channels'
+import { searchPlaylistsRouter } from './search-video-playlists'
+import { searchVideosRouter } from './search-videos'
+
+const searchRouter = express.Router()
+
+searchRouter.use('/', searchVideosRouter)
+searchRouter.use('/', searchChannelsRouter)
+searchRouter.use('/', searchPlaylistsRouter)
+
+// ---------------------------------------------------------------------------
+
+export {
+  searchRouter
+}
diff --git a/server/controllers/api/search/search-video-channels.ts b/server/controllers/api/search/search-video-channels.ts
new file mode 100644
index 000000000..16beeed60
--- /dev/null
+++ b/server/controllers/api/search/search-video-channels.ts
@@ -0,0 +1,150 @@
+import * as express from 'express'
+import { sanitizeUrl } from '@server/helpers/core-utils'
+import { doJSONRequest } from '@server/helpers/requests'
+import { CONFIG } from '@server/initializers/config'
+import { WEBSERVER } from '@server/initializers/constants'
+import { Hooks } from '@server/lib/plugins/hooks'
+import { buildMutedForSearchIndex, isSearchIndexSearch, isURISearch } from '@server/lib/search'
+import { getServerActor } from '@server/models/application/application'
+import { HttpStatusCode } from '@shared/core-utils/miscs/http-error-codes'
+import { ResultList, VideoChannel } from '@shared/models'
+import { VideoChannelsSearchQuery } from '../../../../shared/models/search'
+import { isUserAbleToSearchRemoteURI } from '../../../helpers/express-utils'
+import { logger } from '../../../helpers/logger'
+import { getFormattedObjects } from '../../../helpers/utils'
+import { getOrCreateAPActor, loadActorUrlOrGetFromWebfinger } from '../../../lib/activitypub/actors'
+import {
+  asyncMiddleware,
+  openapiOperationDoc,
+  optionalAuthenticate,
+  paginationValidator,
+  setDefaultPagination,
+  setDefaultSearchSort,
+  videoChannelsListSearchValidator,
+  videoChannelsSearchSortValidator
+} from '../../../middlewares'
+import { VideoChannelModel } from '../../../models/video/video-channel'
+import { MChannelAccountDefault } from '../../../types/models'
+
+const searchChannelsRouter = express.Router()
+
+searchChannelsRouter.get('/video-channels',
+  openapiOperationDoc({ operationId: 'searchChannels' }),
+  paginationValidator,
+  setDefaultPagination,
+  videoChannelsSearchSortValidator,
+  setDefaultSearchSort,
+  optionalAuthenticate,
+  videoChannelsListSearchValidator,
+  asyncMiddleware(searchVideoChannels)
+)
+
+// ---------------------------------------------------------------------------
+
+export { searchChannelsRouter }
+
+// ---------------------------------------------------------------------------
+
+function searchVideoChannels (req: express.Request, res: express.Response) {
+  const query: VideoChannelsSearchQuery = req.query
+  const search = query.search
+
+  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(search) || 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) {
+  const result = await buildMutedForSearchIndex(res)
+
+  const body = await Hooks.wrapObject(Object.assign(query, result), 'filter:api.search.video-channels.index.list.params')
+
+  const url = sanitizeUrl(CONFIG.SEARCH.SEARCH_INDEX.URL) + '/api/v1/search/video-channels'
+
+  try {
+    logger.debug('Doing video channels search index request on %s.', url, { body })
+
+    const { body: searchIndexResult } = await doJSONRequest<ResultList<VideoChannel>>(url, { method: 'POST', json: body })
+    const jsonResult = await Hooks.wrapObject(searchIndexResult, 'filter:api.search.video-channels.index.list.result')
+
+    return res.json(jsonResult)
+  } catch (err) {
+    logger.warn('Cannot use search index to make video channels search.', { err })
+
+    return res.fail({
+      status: HttpStatusCode.INTERNAL_SERVER_ERROR_500,
+      message: 'Cannot use search index to make video channels search'
+    })
+  }
+}
+
+async function searchVideoChannelsDB (query: VideoChannelsSearchQuery, res: express.Response) {
+  const serverActor = await getServerActor()
+
+  const apiOptions = await Hooks.wrapObject({
+    actorId: serverActor.id,
+    search: query.search,
+    start: query.start,
+    count: query.count,
+    sort: query.sort
+  }, 'filter:api.search.video-channels.local.list.params')
+
+  const resultList = await Hooks.wrapPromiseFun(
+    VideoChannelModel.searchForApi,
+    apiOptions,
+    'filter:api.search.video-channels.local.list.result'
+  )
+
+  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 getOrCreateAPActor(uri, 'all', true, true)
+      videoChannel = actor.VideoChannel
+    } catch (err) {
+      logger.info('Cannot search remote video channel %s.', uri, { err })
+    }
+  } else {
+    videoChannel = await VideoChannelModel.loadByUrlAndPopulateAccount(sanitizeLocalUrl(uri))
+  }
+
+  return res.json({
+    total: videoChannel ? 1 : 0,
+    data: videoChannel ? [ videoChannel.toFormattedJSON() ] : []
+  })
+}
+
+function sanitizeLocalUrl (url: string) {
+  if (!url) return ''
+
+  // Handle alternative channel URLs
+  return url.replace(new RegExp('^' + WEBSERVER.URL + '/c/'), WEBSERVER.URL + '/video-channels/')
+}
diff --git a/server/controllers/api/search/search-video-playlists.ts b/server/controllers/api/search/search-video-playlists.ts
new file mode 100644
index 000000000..b231ff1e2
--- /dev/null
+++ b/server/controllers/api/search/search-video-playlists.ts
@@ -0,0 +1,129 @@
+import * as express from 'express'
+import { sanitizeUrl } from '@server/helpers/core-utils'
+import { isUserAbleToSearchRemoteURI } from '@server/helpers/express-utils'
+import { logger } from '@server/helpers/logger'
+import { doJSONRequest } from '@server/helpers/requests'
+import { getFormattedObjects } from '@server/helpers/utils'
+import { CONFIG } from '@server/initializers/config'
+import { getOrCreateAPVideoPlaylist } from '@server/lib/activitypub/playlists/get'
+import { Hooks } from '@server/lib/plugins/hooks'
+import { buildMutedForSearchIndex, isSearchIndexSearch, isURISearch } from '@server/lib/search'
+import { getServerActor } from '@server/models/application/application'
+import { VideoPlaylistModel } from '@server/models/video/video-playlist'
+import { MVideoPlaylistFullSummary } from '@server/types/models'
+import { HttpStatusCode } from '@shared/core-utils'
+import { ResultList, VideoPlaylist, VideoPlaylistsSearchQuery } from '@shared/models'
+import {
+  asyncMiddleware,
+  openapiOperationDoc,
+  optionalAuthenticate,
+  paginationValidator,
+  setDefaultPagination,
+  setDefaultSearchSort,
+  videoPlaylistsListSearchValidator,
+  videoPlaylistsSearchSortValidator
+} from '../../../middlewares'
+import { WEBSERVER } from '@server/initializers/constants'
+
+const searchPlaylistsRouter = express.Router()
+
+searchPlaylistsRouter.get('/video-playlists',
+  openapiOperationDoc({ operationId: 'searchPlaylists' }),
+  paginationValidator,
+  setDefaultPagination,
+  videoPlaylistsSearchSortValidator,
+  setDefaultSearchSort,
+  optionalAuthenticate,
+  videoPlaylistsListSearchValidator,
+  asyncMiddleware(searchVideoPlaylists)
+)
+
+// ---------------------------------------------------------------------------
+
+export { searchPlaylistsRouter }
+
+// ---------------------------------------------------------------------------
+
+function searchVideoPlaylists (req: express.Request, res: express.Response) {
+  const query: VideoPlaylistsSearchQuery = req.query
+  const search = query.search
+
+  if (isURISearch(search)) return searchVideoPlaylistsURI(search, res)
+
+  if (isSearchIndexSearch(query)) {
+    return searchVideoPlaylistsIndex(query, res)
+  }
+
+  return searchVideoPlaylistsDB(query, res)
+}
+
+async function searchVideoPlaylistsIndex (query: VideoPlaylistsSearchQuery, res: express.Response) {
+  const result = await buildMutedForSearchIndex(res)
+
+  const body = await Hooks.wrapObject(Object.assign(query, result), 'filter:api.search.video-playlists.index.list.params')
+
+  const url = sanitizeUrl(CONFIG.SEARCH.SEARCH_INDEX.URL) + '/api/v1/search/video-playlists'
+
+  try {
+    logger.debug('Doing video playlists search index request on %s.', url, { body })
+
+    const { body: searchIndexResult } = await doJSONRequest<ResultList<VideoPlaylist>>(url, { method: 'POST', json: body })
+    const jsonResult = await Hooks.wrapObject(searchIndexResult, 'filter:api.search.video-playlists.index.list.result')
+
+    return res.json(jsonResult)
+  } catch (err) {
+    logger.warn('Cannot use search index to make video playlists search.', { err })
+
+    return res.fail({
+      status: HttpStatusCode.INTERNAL_SERVER_ERROR_500,
+      message: 'Cannot use search index to make video playlists search'
+    })
+  }
+}
+
+async function searchVideoPlaylistsDB (query: VideoPlaylistsSearchQuery, res: express.Response) {
+  const serverActor = await getServerActor()
+
+  const apiOptions = await Hooks.wrapObject({
+    followerActorId: serverActor.id,
+    search: query.search,
+    start: query.start,
+    count: query.count,
+    sort: query.sort
+  }, 'filter:api.search.video-playlists.local.list.params')
+
+  const resultList = await Hooks.wrapPromiseFun(
+    VideoPlaylistModel.searchForApi,
+    apiOptions,
+    'filter:api.search.video-playlists.local.list.result'
+  )
+
+  return res.json(getFormattedObjects(resultList.data, resultList.total))
+}
+
+async function searchVideoPlaylistsURI (search: string, res: express.Response) {
+  let videoPlaylist: MVideoPlaylistFullSummary
+
+  if (isUserAbleToSearchRemoteURI(res)) {
+    try {
+      videoPlaylist = await getOrCreateAPVideoPlaylist(search)
+    } catch (err) {
+      logger.info('Cannot search remote video playlist %s.', search, { err })
+    }
+  } else {
+    videoPlaylist = await VideoPlaylistModel.loadByUrlWithAccountAndChannelSummary(sanitizeLocalUrl(search))
+  }
+
+  return res.json({
+    total: videoPlaylist ? 1 : 0,
+    data: videoPlaylist ? [ videoPlaylist.toFormattedJSON() ] : []
+  })
+}
+
+function sanitizeLocalUrl (url: string) {
+  if (!url) return ''
+
+  // Handle alternative channel URLs
+  return url.replace(new RegExp('^' + WEBSERVER.URL + '/videos/watch/playlist/'), WEBSERVER.URL + '/video-playlists/')
+            .replace(new RegExp('^' + WEBSERVER.URL + '/w/p/'), WEBSERVER.URL + '/video-playlists/')
+}
diff --git a/server/controllers/api/search/search-videos.ts b/server/controllers/api/search/search-videos.ts
new file mode 100644
index 000000000..b626baa28
--- /dev/null
+++ b/server/controllers/api/search/search-videos.ts
@@ -0,0 +1,153 @@
+import * as express from 'express'
+import { sanitizeUrl } from '@server/helpers/core-utils'
+import { doJSONRequest } from '@server/helpers/requests'
+import { CONFIG } from '@server/initializers/config'
+import { WEBSERVER } from '@server/initializers/constants'
+import { getOrCreateAPVideo } from '@server/lib/activitypub/videos'
+import { Hooks } from '@server/lib/plugins/hooks'
+import { buildMutedForSearchIndex, isSearchIndexSearch, isURISearch } from '@server/lib/search'
+import { HttpStatusCode } from '@shared/core-utils/miscs/http-error-codes'
+import { ResultList, Video } from '@shared/models'
+import { VideosSearchQuery } from '../../../../shared/models/search'
+import { buildNSFWFilter, isUserAbleToSearchRemoteURI } from '../../../helpers/express-utils'
+import { logger } from '../../../helpers/logger'
+import { getFormattedObjects } from '../../../helpers/utils'
+import {
+  asyncMiddleware,
+  commonVideosFiltersValidator,
+  openapiOperationDoc,
+  optionalAuthenticate,
+  paginationValidator,
+  setDefaultPagination,
+  setDefaultSearchSort,
+  videosSearchSortValidator,
+  videosSearchValidator
+} from '../../../middlewares'
+import { VideoModel } from '../../../models/video/video'
+import { MVideoAccountLightBlacklistAllFiles } from '../../../types/models'
+
+const searchVideosRouter = express.Router()
+
+searchVideosRouter.get('/videos',
+  openapiOperationDoc({ operationId: 'searchVideos' }),
+  paginationValidator,
+  setDefaultPagination,
+  videosSearchSortValidator,
+  setDefaultSearchSort,
+  optionalAuthenticate,
+  commonVideosFiltersValidator,
+  videosSearchValidator,
+  asyncMiddleware(searchVideos)
+)
+
+// ---------------------------------------------------------------------------
+
+export { searchVideosRouter }
+
+// ---------------------------------------------------------------------------
+
+function searchVideos (req: express.Request, res: express.Response) {
+  const query: VideosSearchQuery = req.query
+  const search = query.search
+
+  if (isURISearch(search)) {
+    return searchVideoURI(search, res)
+  }
+
+  if (isSearchIndexSearch(query)) {
+    return searchVideosIndex(query, res)
+  }
+
+  return searchVideosDB(query, res)
+}
+
+async function searchVideosIndex (query: VideosSearchQuery, res: express.Response) {
+  const result = await buildMutedForSearchIndex(res)
+
+  let 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'
+  }
+
+  body = await Hooks.wrapObject(body, 'filter:api.search.videos.index.list.params')
+
+  const url = sanitizeUrl(CONFIG.SEARCH.SEARCH_INDEX.URL) + '/api/v1/search/videos'
+
+  try {
+    logger.debug('Doing videos search index request on %s.', url, { body })
+
+    const { body: searchIndexResult } = await doJSONRequest<ResultList<Video>>(url, { method: 'POST', json: body })
+    const jsonResult = await Hooks.wrapObject(searchIndexResult, 'filter:api.search.videos.index.list.result')
+
+    return res.json(jsonResult)
+  } catch (err) {
+    logger.warn('Cannot use search index to make video search.', { err })
+
+    return res.fail({
+      status: HttpStatusCode.INTERNAL_SERVER_ERROR_500,
+      message: 'Cannot use search index to make video search'
+    })
+  }
+}
+
+async function searchVideosDB (query: VideosSearchQuery, res: express.Response) {
+  const apiOptions = await Hooks.wrapObject(Object.assign(query, {
+    includeLocalVideos: true,
+    nsfw: buildNSFWFilter(res, query.nsfw),
+    filter: query.filter,
+    user: res.locals.oauth ? res.locals.oauth.token.User : undefined
+  }), 'filter:api.search.videos.local.list.params')
+
+  const resultList = await Hooks.wrapPromiseFun(
+    VideoModel.searchAndPopulateAccountAndServer,
+    apiOptions,
+    'filter:api.search.videos.local.list.result'
+  )
+
+  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 getOrCreateAPVideo({ videoObject: url, syncParam })
+      video = result ? result.video : undefined
+    } catch (err) {
+      logger.info('Cannot search remote video %s.', url, { err })
+    }
+  } else {
+    video = await VideoModel.loadByUrlAndPopulateAccount(sanitizeLocalUrl(url))
+  }
+
+  return res.json({
+    total: video ? 1 : 0,
+    data: video ? [ video.toFormattedJSON() ] : []
+  })
+}
+
+function sanitizeLocalUrl (url: string) {
+  if (!url) return ''
+
+  // Handle alternative video URLs
+  return url.replace(new RegExp('^' + WEBSERVER.URL + '/w/'), WEBSERVER.URL + '/videos/watch/')
+}