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import { Model } from 'sequelize-typescript'
import * as ipaddr from 'ipaddr.js'
import { ResultList } from '../../shared'
import { VideoResolution } from '../../shared/models/videos'
import { CONFIG } from '../initializers'
import { UserModel } from '../models/account/user'
import { ActorModel } from '../models/activitypub/actor'
import { ApplicationModel } from '../models/application/application'
import { pseudoRandomBytesPromise } from './core-utils'
import { logger } from './logger'
const isCidr = require('is-cidr')
async function generateRandomString (size: number) {
const raw = await pseudoRandomBytesPromise(size)
return raw.toString('hex')
}
interface FormattableToJSON {
toFormattedJSON (args?: any)
}
function getFormattedObjects<U, T extends FormattableToJSON> (objects: T[], objectsTotal: number, formattedArg?: any) {
const formattedObjects: U[] = []
objects.forEach(object => {
formattedObjects.push(object.toFormattedJSON(formattedArg))
})
return {
total: objectsTotal,
data: formattedObjects
} as ResultList<U>
}
async function isSignupAllowed () {
if (CONFIG.SIGNUP.ENABLED === false) {
return false
}
// No limit and signup is enabled
if (CONFIG.SIGNUP.LIMIT === -1) {
return true
}
const totalUsers = await UserModel.countTotal()
return totalUsers < CONFIG.SIGNUP.LIMIT
}
function isSignupAllowedForCurrentIP (ip: string) {
const addr = ipaddr.parse(ip)
let excludeList = [ 'blacklist' ]
let matched = ''
// if there is a valid, non-empty whitelist, we exclude all unknown adresses too
if (CONFIG.SIGNUP.FILTERS.CIDR.WHITELIST.filter(cidr => isCidr(cidr)).length > 0) {
excludeList.push('unknown')
}
if (addr.kind() === 'ipv4') {
const addrV4 = ipaddr.IPv4.parse(ip)
const rangeList = {
whitelist: CONFIG.SIGNUP.FILTERS.CIDR.WHITELIST.filter(cidr => isCidr.v4(cidr))
.map(cidr => ipaddr.IPv4.parseCIDR(cidr)),
blacklist: CONFIG.SIGNUP.FILTERS.CIDR.BLACKLIST.filter(cidr => isCidr.v4(cidr))
.map(cidr => ipaddr.IPv4.parseCIDR(cidr))
}
matched = ipaddr.subnetMatch(addrV4, rangeList, 'unknown')
} else if (addr.kind() === 'ipv6') {
const addrV6 = ipaddr.IPv6.parse(ip)
const rangeList = {
whitelist: CONFIG.SIGNUP.FILTERS.CIDR.WHITELIST.filter(cidr => isCidr.v6(cidr))
.map(cidr => ipaddr.IPv6.parseCIDR(cidr)),
blacklist: CONFIG.SIGNUP.FILTERS.CIDR.BLACKLIST.filter(cidr => isCidr.v6(cidr))
.map(cidr => ipaddr.IPv6.parseCIDR(cidr))
}
matched = ipaddr.subnetMatch(addrV6, rangeList, 'unknown')
}
return !excludeList.includes(matched)
}
function computeResolutionsToTranscode (videoFileHeight: number) {
const resolutionsEnabled: number[] = []
const configResolutions = CONFIG.TRANSCODING.RESOLUTIONS
// Put in the order we want to proceed jobs
const resolutions = [
VideoResolution.H_480P,
VideoResolution.H_360P,
VideoResolution.H_720P,
VideoResolution.H_240P,
VideoResolution.H_1080P
]
for (const resolution of resolutions) {
if (configResolutions[ resolution + 'p' ] === true && videoFileHeight > resolution) {
resolutionsEnabled.push(resolution)
}
}
return resolutionsEnabled
}
const timeTable = {
ms: 1,
second: 1000,
minute: 60000,
hour: 3600000,
day: 3600000 * 24,
week: 3600000 * 24 * 7,
month: 3600000 * 24 * 30
}
export function parseDuration (duration: number | string): number {
if (typeof duration === 'number') return duration
if (typeof duration === 'string') {
const split = duration.match(/^([\d\.,]+)\s?(\w+)$/)
if (split.length === 3) {
const len = parseFloat(split[1])
let unit = split[2].replace(/s$/i,'').toLowerCase()
if (unit === 'm') {
unit = 'ms'
}
return (len || 1) * (timeTable[unit] || 0)
}
}
throw new Error('Duration could not be properly parsed')
}
function resetSequelizeInstance (instance: Model<any>, savedFields: object) {
Object.keys(savedFields).forEach(key => {
const value = savedFields[key]
instance.set(key, value)
})
}
let serverActor: ActorModel
async function getServerActor () {
if (serverActor === undefined) {
const application = await ApplicationModel.load()
if (!application) throw Error('Could not load Application from database.')
serverActor = application.Account.Actor
}
if (!serverActor) {
logger.error('Cannot load server actor.')
process.exit(0)
}
return Promise.resolve(serverActor)
}
type SortType = { sortModel: any, sortValue: string }
// ---------------------------------------------------------------------------
export {
generateRandomString,
getFormattedObjects,
isSignupAllowed,
isSignupAllowedForCurrentIP,
computeResolutionsToTranscode,
resetSequelizeInstance,
getServerActor,
SortType
}
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