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peertube/server/initializers/checker-before-init.ts
2018-12-11 15:11:09 +01:00

111 lines
4 KiB
TypeScript

import * as config from 'config'
import { promisify0 } from '../helpers/core-utils'
import { isArray } from '../helpers/custom-validators/misc'
// ONLY USE CORE MODULES IN THIS FILE!
// Check the config files
function checkMissedConfig () {
const required = [ 'listen.port', 'listen.hostname',
'webserver.https', 'webserver.hostname', 'webserver.port',
'trust_proxy',
'database.hostname', 'database.port', 'database.suffix', 'database.username', 'database.password', 'database.pool.max',
'smtp.hostname', 'smtp.port', 'smtp.username', 'smtp.password', 'smtp.tls', 'smtp.from_address',
'storage.avatars', 'storage.videos', 'storage.logs', 'storage.previews', 'storage.thumbnails', 'storage.torrents', 'storage.cache',
'storage.redundancy', 'storage.tmp',
'log.level',
'user.video_quota', 'user.video_quota_daily',
'cache.previews.size', 'admin.email',
'signup.enabled', 'signup.limit', 'signup.requires_email_verification',
'signup.filters.cidr.whitelist', 'signup.filters.cidr.blacklist',
'redundancy.videos.strategies', 'redundancy.videos.check_interval',
'transcoding.enabled', 'transcoding.threads', 'transcoding.allow_additional_extensions',
'import.videos.http.enabled', 'import.videos.torrent.enabled',
'trending.videos.interval_days',
'instance.name', 'instance.short_description', 'instance.description', 'instance.terms', 'instance.default_client_route',
'instance.default_nsfw_policy', 'instance.robots', 'instance.securitytxt',
'services.twitter.username', 'services.twitter.whitelisted'
]
const requiredAlternatives = [
[ // set
['redis.hostname', 'redis.port'], // alternative
['redis.socket']
]
]
const miss: string[] = []
for (const key of required) {
if (!config.has(key)) {
miss.push(key)
}
}
const redundancyVideos = config.get<any>('redundancy.videos.strategies')
if (isArray(redundancyVideos)) {
for (const r of redundancyVideos) {
if (!r.size) miss.push('redundancy.videos.strategies.size')
if (!r.min_lifetime) miss.push('redundancy.videos.strategies.min_lifetime')
}
}
const missingAlternatives = requiredAlternatives.filter(
set => !set.find(alternative => !alternative.find(key => !config.has(key)))
)
missingAlternatives
.forEach(set => set[0].forEach(key => miss.push(key)))
return miss
}
// Check the available codecs
// We get CONFIG by param to not import it in this file (import orders)
async function checkFFmpeg (CONFIG: { TRANSCODING: { ENABLED: boolean } }) {
const Ffmpeg = require('fluent-ffmpeg')
const getAvailableCodecsPromise = promisify0(Ffmpeg.getAvailableCodecs)
const codecs = await getAvailableCodecsPromise()
const canEncode = [ 'libx264' ]
if (CONFIG.TRANSCODING.ENABLED === false) return undefined
for (const codec of canEncode) {
if (codecs[codec] === undefined) {
throw new Error('Unknown codec ' + codec + ' in FFmpeg.')
}
if (codecs[codec].canEncode !== true) {
throw new Error('Unavailable encode codec ' + codec + ' in FFmpeg')
}
}
return checkFFmpegEncoders()
}
// Optional encoders, if present, can be used to improve transcoding
// Here we ask ffmpeg if it detects their presence on the system, so that we can later use them
let supportedOptionalEncoders: Map<string, boolean>
async function checkFFmpegEncoders (): Promise<Map<string, boolean>> {
if (supportedOptionalEncoders !== undefined) {
return supportedOptionalEncoders
}
const Ffmpeg = require('fluent-ffmpeg')
const getAvailableEncodersPromise = promisify0(Ffmpeg.getAvailableEncoders)
const encoders = await getAvailableEncodersPromise()
const optionalEncoders = [ 'libfdk_aac' ]
supportedOptionalEncoders = new Map<string, boolean>()
for (const encoder of optionalEncoders) {
supportedOptionalEncoders.set(encoder, encoders[encoder] !== undefined)
}
return supportedOptionalEncoders
}
// ---------------------------------------------------------------------------
export {
checkFFmpeg,
checkFFmpegEncoders,
checkMissedConfig
}