import * as express from 'express'
import * as multer from 'multer'
import { extname, join } from 'path'
import { VideoCreate, VideoPrivacy, VideoUpdate } from '../../../../shared'
import { renamePromise } from '../../../helpers/core-utils'
import { retryTransactionWrapper } from '../../../helpers/database-utils'
import { getVideoFileHeight } from '../../../helpers/ffmpeg-utils'
import { logger } from '../../../helpers/logger'
import { createReqFiles, generateRandomString, getFormattedObjects, getServerActor, resetSequelizeInstance } from '../../../helpers/utils'
import {
CONFIG, sequelizeTypescript, VIDEO_CATEGORIES, VIDEO_LANGUAGES, VIDEO_LICENCES, VIDEO_MIMETYPE_EXT,
VIDEO_PRIVACIES
} from '../../../initializers'
import { fetchRemoteVideoDescription, getVideoActivityPubUrl, shareVideoByServerAndChannel } from '../../../lib/activitypub'
import { sendCreateVideo, sendCreateViewToOrigin, sendCreateViewToVideoFollowers, sendUpdateVideo } from '../../../lib/activitypub/send'
import { transcodingJobScheduler } from '../../../lib/jobs/transcoding-job-scheduler'
import {
asyncMiddleware, authenticate, paginationValidator, setPagination, setVideosSort, videosAddValidator, videosGetValidator,
videosRemoveValidator, videosSearchValidator, videosSortValidator, videosUpdateValidator
} from '../../../middlewares'
import { TagModel } from '../../../models/video/tag'
import { VideoModel } from '../../../models/video/video'
import { VideoFileModel } from '../../../models/video/video-file'
import { abuseVideoRouter } from './abuse'
import { blacklistRouter } from './blacklist'
import { videoChannelRouter } from './channel'
import { videoCommentRouter } from './comment'
import { rateVideoRouter } from './rate'
const videosRouter = express.Router()
const reqVideoFile = createReqFiles('videofile', CONFIG.STORAGE.VIDEOS_DIR, VIDEO_MIMETYPE_EXT)
videosRouter.use('/', abuseVideoRouter)
videosRouter.use('/', blacklistRouter)
videosRouter.use('/', rateVideoRouter)
videosRouter.use('/', videoChannelRouter)
videosRouter.use('/', videoCommentRouter)
videosRouter.get('/categories', listVideoCategories)
videosRouter.get('/licences', listVideoLicences)
videosRouter.get('/languages', listVideoLanguages)
videosRouter.get('/privacies', listVideoPrivacies)
videosRouter.get('/',
paginationValidator,
videosSortValidator,
setVideosSort,
setPagination,
asyncMiddleware(listVideos)
)
videosRouter.get('/search',
videosSearchValidator,
paginationValidator,
videosSortValidator,
setVideosSort,
setPagination,
asyncMiddleware(searchVideos)
)
videosRouter.put('/:id',
authenticate,
asyncMiddleware(videosUpdateValidator),
asyncMiddleware(updateVideoRetryWrapper)
)
videosRouter.post('/upload',
authenticate,
reqVideoFile,
asyncMiddleware(videosAddValidator),
asyncMiddleware(addVideoRetryWrapper)
)
videosRouter.get('/:id/description',
asyncMiddleware(videosGetValidator),
asyncMiddleware(getVideoDescription)
)
videosRouter.get('/:id',
asyncMiddleware(videosGetValidator),
getVideo
)
videosRouter.post('/:id/views',
asyncMiddleware(videosGetValidator),
asyncMiddleware(viewVideo)
)
videosRouter.delete('/:id',
authenticate,
asyncMiddleware(videosRemoveValidator),
asyncMiddleware(removeVideoRetryWrapper)
)
// ---------------------------------------------------------------------------
export {
videosRouter
}
// ---------------------------------------------------------------------------
function listVideoCategories (req: express.Request, res: express.Response) {
res.json(VIDEO_CATEGORIES)
}
function listVideoLicences (req: express.Request, res: express.Response) {
res.json(VIDEO_LICENCES)
}
function listVideoLanguages (req: express.Request, res: express.Response) {
res.json(VIDEO_LANGUAGES)
}
function listVideoPrivacies (req: express.Request, res: express.Response) {
res.json(VIDEO_PRIVACIES)
}
// Wrapper to video add that retry the function if there is a database error
// We need this because we run the transaction in SERIALIZABLE isolation that can fail
async function addVideoRetryWrapper (req: express.Request, res: express.Response, next: express.NextFunction) {
const options = {
arguments: [ req, res, req.files['videofile'][0] ],
errorMessage: 'Cannot insert the video with many retries.'
}
const video = await retryTransactionWrapper(addVideo, options)
res.json({
video: {
id: video.id,
uuid: video.uuid
}
}).end()
}
async function addVideo (req: express.Request, res: express.Response, videoPhysicalFile: Express.Multer.File) {
const videoInfo: VideoCreate = req.body
// Prepare data so we don't block the transaction
const videoData = {
name: videoInfo.name,
remote: false,
extname: extname(videoPhysicalFile.filename),
category: videoInfo.category,
licence: videoInfo.licence,
language: videoInfo.language,
nsfw: videoInfo.nsfw,
description: videoInfo.description,
privacy: videoInfo.privacy,
duration: videoPhysicalFile['duration'], // duration was added by a previous middleware
channelId: res.locals.videoChannel.id
}
const video = new VideoModel(videoData)
video.url = getVideoActivityPubUrl(video)
const videoFilePath = join(CONFIG.STORAGE.VIDEOS_DIR, videoPhysicalFile.filename)
const videoFileHeight = await getVideoFileHeight(videoFilePath)
const videoFileData = {
extname: extname(videoPhysicalFile.filename),
resolution: videoFileHeight,
size: videoPhysicalFile.size
}
const videoFile = new VideoFileModel(videoFileData)
const videoDir = CONFIG.STORAGE.VIDEOS_DIR
const source = join(videoDir, videoPhysicalFile.filename)
const destination = join(videoDir, video.getVideoFilename(videoFile))
await renamePromise(source, destination)
// This is important in case if there is another attempt in the retry process
videoPhysicalFile.filename = video.getVideoFilename(videoFile)
const tasks = []
tasks.push(
video.createTorrentAndSetInfoHash(videoFile),
video.createThumbnail(videoFile),
video.createPreview(videoFile)
)
await Promise.all(tasks)
return sequelizeTypescript.transaction(async t => {
const sequelizeOptions = { transaction: t }
if (CONFIG.TRANSCODING.ENABLED === true) {
// Put uuid because we don't have id auto incremented for now
const dataInput = {
videoUUID: video.uuid
}
await transcodingJobScheduler.createJob(t, 'videoFileOptimizer', dataInput)
}
const videoCreated = await video.save(sequelizeOptions)
// Do not forget to add video channel information to the created video
videoCreated.VideoChannel = res.locals.videoChannel
videoFile.videoId = video.id
await videoFile.save(sequelizeOptions)
video.VideoFiles = [ videoFile ]
if (videoInfo.tags) {
const tagInstances = await TagModel.findOrCreateTags(videoInfo.tags, t)
await video.$set('Tags', tagInstances, sequelizeOptions)
video.Tags = tagInstances
}
// Let transcoding job send the video to friends because the video file extension might change
if (CONFIG.TRANSCODING.ENABLED === true) return videoCreated
// Don't send video to remote servers, it is private
if (video.privacy === VideoPrivacy.PRIVATE) return videoCreated
await sendCreateVideo(video, t)
await shareVideoByServerAndChannel(video, t)
logger.info('Video with name %s and uuid %s created.', videoInfo.name, videoCreated.uuid)
return videoCreated
})
}
async function updateVideoRetryWrapper (req: express.Request, res: express.Response, next: express.NextFunction) {
const options = {
arguments: [ req, res ],
errorMessage: 'Cannot update the video with many retries.'
}
await retryTransactionWrapper(updateVideo, options)
return res.type('json').status(204).end()
}
async function updateVideo (req: express.Request, res: express.Response) {
const videoInstance: VideoModel = res.locals.video
const videoFieldsSave = videoInstance.toJSON()
const videoInfoToUpdate: VideoUpdate = req.body
const wasPrivateVideo = videoInstance.privacy === VideoPrivacy.PRIVATE
try {
await sequelizeTypescript.transaction(async t => {
const sequelizeOptions = {
transaction: t
}
if (videoInfoToUpdate.name !== undefined) videoInstance.set('name', videoInfoToUpdate.name)
if (videoInfoToUpdate.category !== undefined) videoInstance.set('category', videoInfoToUpdate.category)
if (videoInfoToUpdate.licence !== undefined) videoInstance.set('licence', videoInfoToUpdate.licence)
if (videoInfoToUpdate.language !== undefined) videoInstance.set('language', videoInfoToUpdate.language)
if (videoInfoToUpdate.nsfw !== undefined) videoInstance.set('nsfw', videoInfoToUpdate.nsfw)
if (videoInfoToUpdate.privacy !== undefined) videoInstance.set('privacy', parseInt(videoInfoToUpdate.privacy.toString(), 10))
if (videoInfoToUpdate.description !== undefined) videoInstance.set('description', videoInfoToUpdate.description)
const videoInstanceUpdated = await videoInstance.save(sequelizeOptions)
if (videoInfoToUpdate.tags) {
const tagInstances = await TagModel.findOrCreateTags(videoInfoToUpdate.tags, t)
await videoInstance.$set('Tags', tagInstances, sequelizeOptions)
videoInstance.Tags = tagInstances
}
// Now we'll update the video's meta data to our friends
if (wasPrivateVideo === false) {
await sendUpdateVideo(videoInstanceUpdated, t)
}
// Video is not private anymore, send a create action to remote servers
if (wasPrivateVideo === true && videoInstanceUpdated.privacy !== VideoPrivacy.PRIVATE) {
await sendCreateVideo(videoInstanceUpdated, t)
await shareVideoByServerAndChannel(videoInstanceUpdated, t)
}
})
logger.info('Video with name %s and uuid %s updated.', videoInstance.name, videoInstance.uuid)
} catch (err) {
// Force fields we want to update
// If the transaction is retried, sequelize will think the object has not changed
// So it will skip the SQL request, even if the last one was ROLLBACKed!
resetSequelizeInstance(videoInstance, videoFieldsSave)
throw err
}
}
function getVideo (req: express.Request, res: express.Response) {
const videoInstance = res.locals.video
return res.json(videoInstance.toFormattedDetailsJSON())
}
async function viewVideo (req: express.Request, res: express.Response) {
const videoInstance = res.locals.video
await videoInstance.increment('views')
const serverAccount = await getServerActor()
if (videoInstance.isOwned()) {
await sendCreateViewToVideoFollowers(serverAccount, videoInstance, undefined)
} else {
await sendCreateViewToOrigin(serverAccount, videoInstance, undefined)
}
return res.status(204).end()
}
async function getVideoDescription (req: express.Request, res: express.Response) {
const videoInstance = res.locals.video
let description = ''
if (videoInstance.isOwned()) {
description = videoInstance.description
} else {
description = await fetchRemoteVideoDescription(videoInstance)
}
return res.json({ description })
}
async function listVideos (req: express.Request, res: express.Response, next: express.NextFunction) {
const resultList = await VideoModel.listForApi(req.query.start, req.query.count, req.query.sort)
return res.json(getFormattedObjects(resultList.data, resultList.total))
}
async function removeVideoRetryWrapper (req: express.Request, res: express.Response, next: express.NextFunction) {
const options = {
arguments: [ req, res ],
errorMessage: 'Cannot remove the video with many retries.'
}
await retryTransactionWrapper(removeVideo, options)
return res.type('json').status(204).end()
}
async function removeVideo (req: express.Request, res: express.Response) {
const videoInstance: VideoModel = res.locals.video
await sequelizeTypescript.transaction(async t => {
await videoInstance.destroy({ transaction: t })
})
logger.info('Video with name %s and uuid %s deleted.', videoInstance.name, videoInstance.uuid)
}
async function searchVideos (req: express.Request, res: express.Response, next: express.NextFunction) {
const resultList = await VideoModel.searchAndPopulateAccountAndServerAndTags(
req.query.search,
req.query.start,
req.query.count,
req.query.sort
)
return res.json(getFormattedObjects(resultList.data, resultList.total))
}