123 lines
4.2 KiB
TypeScript
123 lines
4.2 KiB
TypeScript
/*
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Different from 'utils' because we don't not import other PeerTube modules.
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Useful to avoid circular dependencies.
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*/
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import { join } from 'path'
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import { pseudoRandomBytes } from 'crypto'
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import {
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readdir,
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readFile,
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rename,
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unlink,
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writeFile,
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access,
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stat,
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Stats
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} from 'fs'
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import * as mkdirp from 'mkdirp'
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import * as bcrypt from 'bcrypt'
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import * as createTorrent from 'create-torrent'
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import * as rimraf from 'rimraf'
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import * as openssl from 'openssl-wrapper'
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import * as Promise from 'bluebird'
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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 root () {
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// We are in /helpers/utils.js
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const paths = [ __dirname, '..', '..' ]
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// We are under /dist directory
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if (process.mainModule.filename.endsWith('.ts') === false) {
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paths.push('..')
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}
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return join.apply(null, paths)
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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 promisify1WithVoid<T> (func: (arg: T, cb: (err: any) => void) => void): (arg: T) => Promise<void> {
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return function promisified (arg: T): Promise<void> {
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return new Promise<void>((resolve: () => void, reject: (err: any) => void) => {
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func.apply(null, [ arg, (err: any) => err ? reject(err) : resolve() ])
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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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function promisify2WithVoid<T, U> (func: (arg1: T, arg2: U, cb: (err: any) => void) => void): (arg1: T, arg2: U) => Promise<void> {
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return function promisified (arg1: T, arg2: U): Promise<void> {
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return new Promise<void>((resolve: () => void, reject: (err: any) => void) => {
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func.apply(null, [ arg1, arg2, (err: any) => err ? reject(err) : resolve() ])
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})
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}
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}
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const readFilePromise = promisify2<string, string, string>(readFile)
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const readFileBufferPromise = promisify1<string, Buffer>(readFile)
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const unlinkPromise = promisify1WithVoid<string>(unlink)
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const renamePromise = promisify2WithVoid<string, string>(rename)
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const writeFilePromise = promisify2WithVoid<string, any>(writeFile)
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const readdirPromise = promisify1<string, string[]>(readdir)
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const mkdirpPromise = promisify1<string, string>(mkdirp)
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const pseudoRandomBytesPromise = promisify1<number, Buffer>(pseudoRandomBytes)
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const accessPromise = promisify1WithVoid<string|Buffer>(access)
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const opensslExecPromise = promisify2WithVoid<string, any>(openssl.exec)
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const bcryptComparePromise = promisify2<any, string, boolean>(bcrypt.compare)
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const bcryptGenSaltPromise = promisify1<number, string>(bcrypt.genSalt)
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const bcryptHashPromise = promisify2<any, string|number, string>(bcrypt.hash)
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const createTorrentPromise = promisify2<string, any, any>(createTorrent)
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const rimrafPromise = promisify1WithVoid<string>(rimraf)
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const statPromise = promisify1<string, Stats>(stat)
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// ---------------------------------------------------------------------------
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export {
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isTestInstance,
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root,
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promisify0,
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promisify1,
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readdirPromise,
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readFilePromise,
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readFileBufferPromise,
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unlinkPromise,
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renamePromise,
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writeFilePromise,
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mkdirpPromise,
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pseudoRandomBytesPromise,
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accessPromise,
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opensslExecPromise,
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bcryptComparePromise,
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bcryptGenSaltPromise,
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bcryptHashPromise,
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createTorrentPromise,
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rimrafPromise,
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statPromise
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}
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