150 lines
4.1 KiB
JavaScript
150 lines
4.1 KiB
JavaScript
'use strict'
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const each = require('async/each')
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const eachSeries = require('async/eachSeries')
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const express = require('express')
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const waterfall = require('async/waterfall')
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const db = require('../../initializers/database')
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const middlewares = require('../../middlewares')
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const secureMiddleware = middlewares.secure
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const validators = middlewares.validators.remote
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const logger = require('../../helpers/logger')
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const router = express.Router()
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router.post('/videos',
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validators.signature,
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secureMiddleware.checkSignature,
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validators.remoteVideos,
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remoteVideos
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)
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// ---------------------------------------------------------------------------
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module.exports = router
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// ---------------------------------------------------------------------------
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function remoteVideos (req, res, next) {
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const requests = req.body.data
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const fromHost = req.body.signature.host
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// We need to process in the same order to keep consistency
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// TODO: optimization
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eachSeries(requests, function (request, callbackEach) {
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const videoData = request.data
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if (request.type === 'add') {
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addRemoteVideo(videoData, fromHost, callbackEach)
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} else if (request.type === 'remove') {
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removeRemoteVideo(videoData, fromHost, callbackEach)
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} else {
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logger.error('Unkown remote request type %s.', request.type)
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}
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}, function (err) {
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if (err) logger.error('Error managing remote videos.', { error: err })
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})
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// We don't need to keep the other pod waiting
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return res.type('json').status(204).end()
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}
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function addRemoteVideo (videoToCreateData, fromHost, callback) {
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logger.debug('Adding remote video "%s".', videoToCreateData.name)
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waterfall([
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function findOrCreatePod (callback) {
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const query = {
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where: {
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host: fromHost
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},
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defaults: {
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host: fromHost
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}
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}
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db.Pod.findOrCreate(query).asCallback(function (err, result) {
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// [ instance, wasCreated ]
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return callback(err, result[0])
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})
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},
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function findOrCreateAuthor (pod, callback) {
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const username = videoToCreateData.author
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const query = {
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where: {
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name: username,
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podId: pod.id
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},
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defaults: {
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name: username,
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podId: pod.id
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}
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}
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db.Author.findOrCreate(query).asCallback(function (err, result) {
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// [ instance, wasCreated ]
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return callback(err, result[0])
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})
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},
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function createVideoObject (author, callback) {
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const videoData = {
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name: videoToCreateData.name,
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remoteId: videoToCreateData.remoteId,
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extname: videoToCreateData.extname,
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infoHash: videoToCreateData.infoHash,
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description: videoToCreateData.description,
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authorId: author.id,
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duration: videoToCreateData.duration,
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tags: videoToCreateData.tags
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}
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const video = db.Video.build(videoData)
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return callback(null, video)
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},
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function generateThumbnail (video, callback) {
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db.Video.generateThumbnailFromBase64(video, videoToCreateData.thumbnailBase64, function (err) {
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if (err) {
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logger.error('Cannot generate thumbnail from base 64 data.', { error: err })
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return callback(err)
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}
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video.save().asCallback(callback)
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})
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},
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function insertIntoDB (video, callback) {
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video.save().asCallback(callback)
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}
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], callback)
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}
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function removeRemoteVideo (videoToRemoveData, fromHost, callback) {
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// TODO: use bulkDestroy?
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// We need the list because we have to remove some other stuffs (thumbnail etc)
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db.Video.listByHostAndRemoteId(fromHost, videoToRemoveData.remoteId, function (err, videosList) {
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if (err) {
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logger.error('Cannot list videos from host and remote id.', { error: err.message })
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return callback(err)
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}
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if (videosList.length === 0) {
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logger.error('No remote video was found for this pod.', { remoteId: videoToRemoveData.remoteId, podHost: fromHost })
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}
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each(videosList, function (video, callbackEach) {
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logger.debug('Removing remote video %s.', video.remoteId)
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video.destroy().asCallback(callbackEach)
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}, callback)
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})
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}
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