108 lines
3 KiB
TypeScript
108 lines
3 KiB
TypeScript
import { ResultList } from '../../shared'
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import { CONFIG } from '../initializers'
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import { ApplicationModel } from '../models/application/application'
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import { execPromise, execPromise2, pseudoRandomBytesPromise, sha256 } from './core-utils'
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import { logger } from './logger'
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import { join } from 'path'
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import { Instance as ParseTorrent } from 'parse-torrent'
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import { remove } from 'fs-extra'
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import * as memoizee from 'memoizee'
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function deleteFileAsync (path: string) {
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remove(path)
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.catch(err => logger.error('Cannot delete the file %s asynchronously.', path, { err }))
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}
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async function generateRandomString (size: number) {
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const raw = await pseudoRandomBytesPromise(size)
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return raw.toString('hex')
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}
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interface FormattableToJSON {
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toFormattedJSON (args?: any)
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}
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function getFormattedObjects<U, T extends FormattableToJSON> (objects: T[], objectsTotal: number, formattedArg?: any) {
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const formattedObjects: U[] = []
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objects.forEach(object => {
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formattedObjects.push(object.toFormattedJSON(formattedArg))
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})
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return {
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total: objectsTotal,
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data: formattedObjects
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} as ResultList<U>
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}
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const getServerActor = memoizee(async function () {
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const application = await ApplicationModel.load()
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if (!application) throw Error('Could not load Application from database.')
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const actor = application.Account.Actor
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actor.Account = application.Account
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return actor
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})
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function generateVideoImportTmpPath (target: string | ParseTorrent) {
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const id = typeof target === 'string' ? target : target.infoHash
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const hash = sha256(id)
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return join(CONFIG.STORAGE.TMP_DIR, hash + '-import.mp4')
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}
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function getSecureTorrentName (originalName: string) {
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return sha256(originalName) + '.torrent'
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}
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async function getServerCommit () {
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try {
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const tag = await execPromise2(
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'[ ! -d .git ] || git name-rev --name-only --tags --no-undefined HEAD 2>/dev/null || true',
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{ stdio: [ 0, 1, 2 ] }
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)
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if (tag) return tag.replace(/^v/, '')
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} catch (err) {
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logger.debug('Cannot get version from git tags.', { err })
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}
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try {
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const version = await execPromise('[ ! -d .git ] || git rev-parse --short HEAD')
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if (version) return version.toString().trim()
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} catch (err) {
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logger.debug('Cannot get version from git HEAD.', { err })
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}
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return ''
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}
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/**
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* From a filename like "ede4cba5-742b-46fa-a388-9a6eb3a3aeb3.mp4", returns
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* only the "ede4cba5-742b-46fa-a388-9a6eb3a3aeb3" part. If the filename does
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* not contain a UUID, returns null.
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*/
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function getUUIDFromFilename (filename: string) {
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const regex = /[0-9a-f]{8}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{12}/
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const result = filename.match(regex)
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if (!result || Array.isArray(result) === false) return null
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return result[0]
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}
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// ---------------------------------------------------------------------------
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export {
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deleteFileAsync,
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generateRandomString,
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getFormattedObjects,
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getSecureTorrentName,
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getServerActor,
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getServerCommit,
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generateVideoImportTmpPath,
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getUUIDFromFilename
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}
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