Add hls support on server

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

diff --git a/server/helpers/utils.ts b/server/helpers/utils.ts
index 703e5788744889c74315e3646c626672ab14736b..3c3406e381724fc71ec5660aeb430470c553c68a 100644 (file)
--- a/server/helpers/utils.ts
+++ b/server/helpers/utils.ts
@@ -1,14 +1,16 @@
 import { ResultList } from '../../shared'
 import { CONFIG } from '../initializers'
-import { ActorModel } from '../models/activitypub/actor'
 import { ApplicationModel } from '../models/application/application'
-import { pseudoRandomBytesPromise, sha256, unlinkPromise } from './core-utils'
+import { execPromise, execPromise2, pseudoRandomBytesPromise, 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'
+import { isArray } from './custom-validators/misc'
 
 function deleteFileAsync (path: string) {
-  unlinkPromise(path)
+  remove(path)
     .catch(err => logger.error('Cannot delete the file %s asynchronously.', path, { err }))
 }
 
@@ -18,10 +20,7 @@ async function generateRandomString (size: number) {
   return raw.toString('hex')
 }
 
-interface FormattableToJSON {
-  toFormattedJSON (args?: any)
-}
-
+interface FormattableToJSON { toFormattedJSON (args?: any) }
 function getFormattedObjects<U, T extends FormattableToJSON> (objects: T[], objectsTotal: number, formattedArg?: any) {
   const formattedObjects: U[] = []
 
@@ -35,36 +34,64 @@ function getFormattedObjects<U, T extends FormattableToJSON> (objects: T[], obje
   } as ResultList<U>
 }
 
-async function getServerActor () {
-  if (getServerActor.serverActor === undefined) {
-    const application = await ApplicationModel.load()
-    if (!application) throw Error('Could not load Application from database.')
+const getServerActor = memoizee(async function () {
+  const application = await ApplicationModel.load()
+  if (!application) throw Error('Could not load Application from database.')
 
-    getServerActor.serverActor = application.Account.Actor
-  }
-
-  if (!getServerActor.serverActor) {
-    logger.error('Cannot load server actor.')
-    process.exit(0)
-  }
+  const actor = application.Account.Actor
+  actor.Account = application.Account
 
-  return Promise.resolve(getServerActor.serverActor)
-}
-namespace getServerActor {
-  export let serverActor: ActorModel
-}
+  return actor
+})
 
-function generateVideoTmpPath (target: string | ParseTorrent) {
+function generateVideoImportTmpPath (target: string | ParseTorrent) {
   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.mp4')
 }
 
 function getSecureTorrentName (originalName: string) {
   return sha256(originalName) + '.torrent'
 }
 
+async function getServerCommit () {
+  try {
+    const tag = await execPromise2(
+      '[ ! -d .git ] || git name-rev --name-only --tags --no-undefined HEAD 2>/dev/null || true',
+      { stdio: [ 0, 1, 2 ] }
+    )
+
+    if (tag) return tag.replace(/^v/, '')
+  } catch (err) {
+    logger.debug('Cannot get version from git tags.', { err })
+  }
+
+  try {
+    const version = await execPromise('[ ! -d .git ] || git rev-parse --short HEAD')
+
+    if (version) return version.toString().trim()
+  } catch (err) {
+    logger.debug('Cannot get version from git HEAD.', { err })
+  }
+
+  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 {
@@ -73,5 +100,7 @@ export {
   getFormattedObjects,
   getSecureTorrentName,
   getServerActor,
-  generateVideoTmpPath
+  getServerCommit,
+  generateVideoImportTmpPath,
+  getUUIDFromFilename
 }