355 lines
9.5 KiB
TypeScript
355 lines
9.5 KiB
TypeScript
/* eslint-disable no-useless-call */
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/*
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Different from 'utils' because we don't import other PeerTube modules.
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Useful to avoid circular dependencies.
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*/
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import { exec, ExecOptions } from 'child_process'
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import { ED25519KeyPairOptions, generateKeyPair, randomBytes, RSAKeyPairOptions } from 'crypto'
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import { truncate } from 'lodash'
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import { pipeline } from 'stream'
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import { URL } from 'url'
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import { promisify } from 'util'
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const objectConverter = (oldObject: any, keyConverter: (e: string) => string, valueConverter: (e: any) => any) => {
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if (!oldObject || typeof oldObject !== 'object') {
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return valueConverter(oldObject)
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}
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if (Array.isArray(oldObject)) {
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return oldObject.map(e => objectConverter(e, keyConverter, valueConverter))
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}
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const newObject = {}
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Object.keys(oldObject).forEach(oldKey => {
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const newKey = keyConverter(oldKey)
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newObject[newKey] = objectConverter(oldObject[oldKey], keyConverter, valueConverter)
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})
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return newObject
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}
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function mapToJSON (map: Map<any, any>) {
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const obj: any = {}
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for (const [ k, v ] of map) {
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obj[k] = v
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}
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return obj
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}
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// ---------------------------------------------------------------------------
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const timeTable = {
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ms: 1,
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second: 1000,
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minute: 60000,
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hour: 3600000,
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day: 3600000 * 24,
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week: 3600000 * 24 * 7,
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month: 3600000 * 24 * 30
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}
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export function parseDurationToMs (duration: number | string): number {
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if (duration === null) return null
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if (typeof duration === 'number') return duration
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if (!isNaN(+duration)) return +duration
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if (typeof duration === 'string') {
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const split = duration.match(/^([\d.,]+)\s?(\w+)$/)
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if (split.length === 3) {
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const len = parseFloat(split[1])
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let unit = split[2].replace(/s$/i, '').toLowerCase()
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if (unit === 'm') {
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unit = 'ms'
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}
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return (len || 1) * (timeTable[unit] || 0)
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}
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}
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throw new Error(`Duration ${duration} could not be properly parsed`)
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}
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export function parseBytes (value: string | number): number {
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if (typeof value === 'number') return value
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if (!isNaN(+value)) return +value
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const tgm = /^(\d+)\s*TB\s*(\d+)\s*GB\s*(\d+)\s*MB$/
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const tg = /^(\d+)\s*TB\s*(\d+)\s*GB$/
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const tm = /^(\d+)\s*TB\s*(\d+)\s*MB$/
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const gm = /^(\d+)\s*GB\s*(\d+)\s*MB$/
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const t = /^(\d+)\s*TB$/
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const g = /^(\d+)\s*GB$/
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const m = /^(\d+)\s*MB$/
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const b = /^(\d+)\s*B$/
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let match: RegExpMatchArray
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if (value.match(tgm)) {
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match = value.match(tgm)
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return parseInt(match[1], 10) * 1024 * 1024 * 1024 * 1024 +
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parseInt(match[2], 10) * 1024 * 1024 * 1024 +
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parseInt(match[3], 10) * 1024 * 1024
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}
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if (value.match(tg)) {
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match = value.match(tg)
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return parseInt(match[1], 10) * 1024 * 1024 * 1024 * 1024 +
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parseInt(match[2], 10) * 1024 * 1024 * 1024
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}
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if (value.match(tm)) {
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match = value.match(tm)
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return parseInt(match[1], 10) * 1024 * 1024 * 1024 * 1024 +
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parseInt(match[2], 10) * 1024 * 1024
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}
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if (value.match(gm)) {
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match = value.match(gm)
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return parseInt(match[1], 10) * 1024 * 1024 * 1024 +
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parseInt(match[2], 10) * 1024 * 1024
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}
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if (value.match(t)) {
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match = value.match(t)
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return parseInt(match[1], 10) * 1024 * 1024 * 1024 * 1024
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}
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if (value.match(g)) {
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match = value.match(g)
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return parseInt(match[1], 10) * 1024 * 1024 * 1024
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}
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if (value.match(m)) {
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match = value.match(m)
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return parseInt(match[1], 10) * 1024 * 1024
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}
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if (value.match(b)) {
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match = value.match(b)
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return parseInt(match[1], 10) * 1024
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}
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return parseInt(value, 10)
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}
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// ---------------------------------------------------------------------------
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function sanitizeUrl (url: string) {
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const urlObject = new URL(url)
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if (urlObject.protocol === 'https:' && urlObject.port === '443') {
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urlObject.port = ''
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} else if (urlObject.protocol === 'http:' && urlObject.port === '80') {
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urlObject.port = ''
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}
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return urlObject.href.replace(/\/$/, '')
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}
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// Don't import remote scheme from constants because we are in core utils
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function sanitizeHost (host: string, remoteScheme: string) {
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const toRemove = remoteScheme === 'https' ? 443 : 80
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return host.replace(new RegExp(`:${toRemove}$`), '')
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}
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// ---------------------------------------------------------------------------
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function isTestInstance () {
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return process.env.NODE_ENV === 'test'
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}
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function isDevInstance () {
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return process.env.NODE_ENV === 'dev'
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}
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function isTestOrDevInstance () {
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return isTestInstance() || isDevInstance()
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}
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function isProdInstance () {
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return process.env.NODE_ENV === 'production'
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}
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function getAppNumber () {
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return process.env.NODE_APP_INSTANCE || ''
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}
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// ---------------------------------------------------------------------------
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// Consistent with .length, lodash truncate function is not
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function peertubeTruncate (str: string, options: { length: number, separator?: RegExp, omission?: string }) {
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const truncatedStr = truncate(str, options)
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// The truncated string is okay, we can return it
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if (truncatedStr.length <= options.length) return truncatedStr
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// Lodash takes into account all UTF characters, whereas String.prototype.length does not: some characters have a length of 2
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// We always use the .length so we need to truncate more if needed
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options.length -= truncatedStr.length - options.length
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return truncate(str, options)
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}
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function pageToStartAndCount (page: number, itemsPerPage: number) {
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const start = (page - 1) * itemsPerPage
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return { start, count: itemsPerPage }
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}
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// ---------------------------------------------------------------------------
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type SemVersion = { major: number, minor: number, patch: number }
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function parseSemVersion (s: string) {
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const parsed = s.match(/^v?(\d+)\.(\d+)\.(\d+)$/i)
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return {
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major: parseInt(parsed[1]),
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minor: parseInt(parsed[2]),
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patch: parseInt(parsed[3])
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} as SemVersion
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}
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// ---------------------------------------------------------------------------
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function execShell (command: string, options?: ExecOptions) {
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return new Promise<{ err?: Error, stdout: string, stderr: string }>((res, rej) => {
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exec(command, options, (err, stdout, stderr) => {
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// eslint-disable-next-line prefer-promise-reject-errors
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if (err) return rej({ err, stdout, stderr })
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return res({ stdout, stderr })
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})
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})
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}
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// ---------------------------------------------------------------------------
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function isOdd (num: number) {
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return (num % 2) !== 0
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}
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function toEven (num: number) {
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if (isOdd(num)) return num + 1
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return num
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}
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// ---------------------------------------------------------------------------
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function generateRSAKeyPairPromise (size: number) {
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return new Promise<{ publicKey: string, privateKey: string }>((res, rej) => {
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const options: RSAKeyPairOptions<'pem', 'pem'> = {
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modulusLength: size,
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publicKeyEncoding: {
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type: 'spki',
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format: 'pem'
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},
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privateKeyEncoding: {
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type: 'pkcs1',
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format: 'pem'
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}
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}
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generateKeyPair('rsa', options, (err, publicKey, privateKey) => {
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if (err) return rej(err)
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return res({ publicKey, privateKey })
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})
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})
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}
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function generateED25519KeyPairPromise () {
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return new Promise<{ publicKey: string, privateKey: string }>((res, rej) => {
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const options: ED25519KeyPairOptions<'pem', 'pem'> = {
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publicKeyEncoding: {
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type: 'spki',
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format: 'pem'
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},
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privateKeyEncoding: {
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type: 'pkcs8',
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format: 'pem'
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}
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}
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generateKeyPair('ed25519', options, (err, publicKey, privateKey) => {
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if (err) return rej(err)
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return res({ publicKey, privateKey })
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})
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})
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}
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// ---------------------------------------------------------------------------
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function promisify0<A> (func: (cb: (err: any, result: A) => void) => void): () => Promise<A> {
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return function promisified (): Promise<A> {
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return new Promise<A>((resolve: (arg: A) => void, reject: (err: any) => void) => {
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func.apply(null, [ (err: any, res: A) => err ? reject(err) : resolve(res) ])
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})
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}
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}
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// Thanks to https://gist.github.com/kumasento/617daa7e46f13ecdd9b2
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function promisify1<T, A> (func: (arg: T, cb: (err: any, result: A) => void) => void): (arg: T) => Promise<A> {
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return function promisified (arg: T): Promise<A> {
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return new Promise<A>((resolve: (arg: A) => void, reject: (err: any) => void) => {
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func.apply(null, [ arg, (err: any, res: A) => err ? reject(err) : resolve(res) ])
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})
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}
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}
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function promisify2<T, U, A> (func: (arg1: T, arg2: U, cb: (err: any, result: A) => void) => void): (arg1: T, arg2: U) => Promise<A> {
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return function promisified (arg1: T, arg2: U): Promise<A> {
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return new Promise<A>((resolve: (arg: A) => void, reject: (err: any) => void) => {
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func.apply(null, [ arg1, arg2, (err: any, res: A) => err ? reject(err) : resolve(res) ])
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})
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}
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}
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const randomBytesPromise = promisify1<number, Buffer>(randomBytes)
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const execPromise2 = promisify2<string, any, string>(exec)
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const execPromise = promisify1<string, string>(exec)
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const pipelinePromise = promisify(pipeline)
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// ---------------------------------------------------------------------------
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export {
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isTestInstance,
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isTestOrDevInstance,
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isProdInstance,
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getAppNumber,
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objectConverter,
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mapToJSON,
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sanitizeUrl,
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sanitizeHost,
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execShell,
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pageToStartAndCount,
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peertubeTruncate,
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promisify0,
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promisify1,
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promisify2,
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randomBytesPromise,
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generateRSAKeyPairPromise,
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generateED25519KeyPairPromise,
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execPromise2,
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execPromise,
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pipelinePromise,
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parseSemVersion,
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isOdd,
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toEven
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}
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