Resumable video uploads (#3933)

[github/Chocobozzz/PeerTube.git] / server / helpers / utils.ts

diff --git a/server/helpers/utils.ts b/server/helpers/utils.ts
index 6228fec0459e97d3abd7c3fc5a9c54415fd885d8..6c95a43b62afea04ac21c4636ce6eaecd572ff14 100644 (file)
--- a/server/helpers/utils.ts
+++ b/server/helpers/utils.ts
@@ -1,60 +1,49 @@
+import { remove } from 'fs-extra'
+import { Instance as ParseTorrent } from 'parse-torrent'
+import { join } from 'path'
 import { ResultList } from '../../shared'
-import { CONFIG } from '../initializers'
-import { ApplicationModel } from '../models/application/application'
-import { execPromise, execPromise2, pseudoRandomBytesPromise, sha256 } from './core-utils'
+import { CONFIG } from '../initializers/config'
+import { execPromise, execPromise2, randomBytesPromise, sha256 } from './core-utils'
 import { logger } from './logger'
-import { join } from 'path'
-import { Instance as ParseTorrent } from 'parse-torrent'
-import { remove } from 'fs-extra'
-import * as memoizee from 'memoizee'
 
-function deleteFileAsync (path: string) {
+function deleteFileAndCatch (path: string) {
   remove(path)
     .catch(err => logger.error('Cannot delete the file %s asynchronously.', path, { err }))
 }
 
 async function generateRandomString (size: number) {
-  const raw = await pseudoRandomBytesPromise(size)
+  const raw = await randomBytesPromise(size)
 
   return raw.toString('hex')
 }
 
-interface FormattableToJSON {
-  toFormattedJSON (args?: any)
+interface FormattableToJSON<U, V> {
+  toFormattedJSON (args?: U): V
 }
 
-function getFormattedObjects<U, T extends FormattableToJSON> (objects: T[], objectsTotal: number, formattedArg?: any) {
-  const formattedObjects: U[] = []
-
-  objects.forEach(object => {
-    formattedObjects.push(object.toFormattedJSON(formattedArg))
-  })
+function getFormattedObjects<U, V, T extends FormattableToJSON<U, V>> (objects: T[], objectsTotal: number, formattedArg?: U) {
+  const formattedObjects = objects.map(o => o.toFormattedJSON(formattedArg))
 
   return {
     total: objectsTotal,
     data: formattedObjects
-  } as ResultList<U>
+  } as ResultList<V>
 }
 
-const getServerActor = memoizee(async function () {
-  const application = await ApplicationModel.load()
-  if (!application) throw Error('Could not load Application from database.')
-
-  return application.Account.Actor
-})
-
-function generateVideoTmpPath (target: string | ParseTorrent) {
-  const id = typeof target === 'string' ? target : target.infoHash
+function generateVideoImportTmpPath (target: string | ParseTorrent, extension = '.mp4') {
+  const id = typeof target === 'string'
+    ? target
+    : target.infoHash
 
   const hash = sha256(id)
-  return join(CONFIG.STORAGE.VIDEOS_DIR, hash + '-import.mp4')
+  return join(CONFIG.STORAGE.TMP_DIR, `${hash}-import${extension}`)
 }
 
 function getSecureTorrentName (originalName: string) {
   return sha256(originalName) + '.torrent'
 }
 
-async function getVersion () {
+async function getServerCommit () {
   try {
     const tag = await execPromise2(
       '[ ! -d .git ] || git name-rev --name-only --tags --no-undefined HEAD 2>/dev/null || true',
@@ -74,17 +63,31 @@ async function getVersion () {
     logger.debug('Cannot get version from git HEAD.', { err })
   }
 
-  return require('../../../package.json').version
+  return ''
+}
+
+/**
+ * From a filename like "ede4cba5-742b-46fa-a388-9a6eb3a3aeb3.mp4", returns
+ * only the "ede4cba5-742b-46fa-a388-9a6eb3a3aeb3" part. If the filename does
+ * not contain a UUID, returns null.
+ */
+function getUUIDFromFilename (filename: string) {
+  const regex = /[0-9a-f]{8}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{12}/
+  const result = filename.match(regex)
+
+  if (!result || Array.isArray(result) === false) return null
+
+  return result[0]
 }
 
 // ---------------------------------------------------------------------------
 
 export {
-  deleteFileAsync,
+  deleteFileAndCatch,
   generateRandomString,
   getFormattedObjects,
   getSecureTorrentName,
-  getServerActor,
-  getVersion,
-  generateVideoTmpPath
+  getServerCommit,
+  generateVideoImportTmpPath,
+  getUUIDFromFilename
 }