PeerTube/server/controllers/api/v1/videos.js

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'use strict'
const async = require('async')
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const config = require('config')
const express = require('express')
const multer = require('multer')
const constants = require('../../../initializers/constants')
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const logger = require('../../../helpers/logger')
const friends = require('../../../lib/friends')
const middlewares = require('../../../middlewares')
const oAuth2 = middlewares.oauth2
const pagination = middlewares.pagination
const reqValidator = middlewares.reqValidators
const reqValidatorPagination = reqValidator.pagination
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const reqValidatorSort = reqValidator.sort
const reqValidatorVideos = reqValidator.videos
const search = middlewares.search
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const sort = middlewares.sort
const utils = require('../../../helpers/utils')
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const Videos = require('../../../models/videos') // model
const videos = require('../../../lib/videos')
const webtorrent = require('../../../lib/webtorrent')
const router = express.Router()
const uploads = config.get('storage.uploads')
// multer configuration
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const storage = multer.diskStorage({
destination: function (req, file, cb) {
cb(null, uploads)
},
filename: function (req, file, cb) {
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let extension = ''
if (file.mimetype === 'video/webm') extension = 'webm'
else if (file.mimetype === 'video/mp4') extension = 'mp4'
else if (file.mimetype === 'video/ogg') extension = 'ogv'
utils.generateRandomString(16, function (err, randomString) {
const fieldname = err ? undefined : randomString
cb(null, fieldname + '.' + extension)
})
}
})
const reqFiles = multer({ storage: storage }).fields([{ name: 'videofile', maxCount: 1 }])
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router.get('/',
reqValidatorPagination.pagination,
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reqValidatorSort.videosSort,
sort.setVideosSort,
pagination.setPagination,
listVideos
)
router.post('/',
oAuth2.authenticate,
reqFiles,
reqValidatorVideos.videosAdd,
addVideo
)
router.get('/:id',
reqValidatorVideos.videosGet,
getVideo
)
router.delete('/:id',
oAuth2.authenticate,
reqValidatorVideos.videosRemove,
removeVideo
)
router.get('/search/:value',
reqValidatorVideos.videosSearch,
reqValidatorPagination.pagination,
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reqValidatorSort.videosSort,
sort.setVideosSort,
pagination.setPagination,
search.setVideosSearch,
searchVideos
)
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// ---------------------------------------------------------------------------
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module.exports = router
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// ---------------------------------------------------------------------------
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function addVideo (req, res, next) {
const videoFile = req.files.videofile[0]
const videoInfos = req.body
async.waterfall([
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function seedTheVideo (callback) {
videos.seed(videoFile.path, callback)
},
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function createThumbnail (torrent, callback) {
videos.createVideoThumbnail(videoFile.path, function (err, thumbnailName) {
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if (err) {
// TODO: unseed the video
logger.error('Cannot make a thumbnail of the video file.')
return callback(err)
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}
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callback(null, torrent, thumbnailName)
})
},
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function insertIntoDB (torrent, thumbnailName, callback) {
const videoData = {
name: videoInfos.name,
namePath: videoFile.filename,
description: videoInfos.description,
magnetUri: torrent.magnetURI,
author: res.locals.oauth.token.user.username,
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duration: videoFile.duration,
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thumbnail: thumbnailName,
tags: videoInfos.tags
}
Videos.add(videoData, function (err, insertedVideo) {
if (err) {
// TODO unseed the video
// TODO remove thumbnail
logger.error('Cannot insert this video in the database.')
return callback(err)
}
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return callback(null, insertedVideo)
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})
},
function sendToFriends (insertedVideo, callback) {
videos.convertVideoToRemote(insertedVideo, function (err, remoteVideo) {
if (err) {
// TODO unseed the video
// TODO remove thumbnail
// TODO delete from DB
logger.error('Cannot convert video to remote.')
return callback(err)
}
// Now we'll add the video's meta data to our friends
friends.addVideoToFriends(remoteVideo)
return callback(null)
})
}
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], function andFinally (err) {
if (err) {
logger.error('Cannot insert the video.')
return next(err)
}
// TODO : include Location of the new video -> 201
return res.type('json').status(204).end()
})
}
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function getVideo (req, res, next) {
Videos.get(req.params.id, function (err, videoObj) {
if (err) return next(err)
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const state = videos.getVideoState(videoObj)
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if (state.exist === false) {
return res.type('json').status(204).end()
}
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res.json(getFormatedVideo(videoObj))
})
}
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function listVideos (req, res, next) {
Videos.list(req.query.start, req.query.count, req.query.sort, function (err, videosList, totalVideos) {
if (err) return next(err)
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res.json(getFormatedVideos(videosList, totalVideos))
})
}
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function removeVideo (req, res, next) {
const videoId = req.params.id
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async.waterfall([
function getVideo (callback) {
Videos.get(videoId, callback)
},
function removeVideoTorrent (video, callback) {
removeTorrent(video.magnetUri, function () {
return callback(null, video)
})
},
function removeFromDB (video, callback) {
Videos.removeOwned(req.params.id, function (err) {
if (err) return callback(err)
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return callback(null, video)
})
},
function removeVideoData (video, callback) {
videos.removeVideosDataFromDisk([ video ], function (err) {
if (err) logger.error('Cannot remove video data from disk.', { video: video })
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return callback(null, video)
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})
},
function sendInformationToFriends (video, callback) {
const params = {
name: video.name,
magnetUri: video.magnetUri
}
friends.removeVideoToFriends(params)
return callback(null)
}
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], function andFinally (err) {
if (err) {
logger.error('Errors when removed the video.', { error: err })
return next(err)
}
return res.type('json').status(204).end()
})
}
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function searchVideos (req, res, next) {
Videos.search(req.params.value, req.query.field, req.query.start, req.query.count, req.query.sort,
function (err, videosList, totalVideos) {
if (err) return next(err)
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res.json(getFormatedVideos(videosList, totalVideos))
})
}
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// ---------------------------------------------------------------------------
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function getFormatedVideo (videoObj) {
const formatedVideo = {
id: videoObj._id,
name: videoObj.name,
description: videoObj.description,
podUrl: videoObj.podUrl.replace(/^https?:\/\//, ''),
isLocal: videos.getVideoState(videoObj).owned,
magnetUri: videoObj.magnetUri,
author: videoObj.author,
duration: videoObj.duration,
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tags: videoObj.tags,
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thumbnailPath: constants.THUMBNAILS_STATIC_PATH + '/' + videoObj.thumbnail,
createdDate: videoObj.createdDate
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}
return formatedVideo
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}
function getFormatedVideos (videosObj, totalVideos) {
const formatedVideos = []
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videosObj.forEach(function (videoObj) {
formatedVideos.push(getFormatedVideo(videoObj))
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})
return {
total: totalVideos,
data: formatedVideos
}
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}
// Maybe the torrent is not seeded, but we catch the error to don't stop the removing process
function removeTorrent (magnetUri, callback) {
try {
webtorrent.remove(magnetUri, callback)
} catch (err) {
logger.warn('Cannot remove the torrent from WebTorrent', { err: err })
return callback(null)
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}
}