Add 30 fps limit in transcoding

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

diff --git a/server/helpers/utils.ts b/server/helpers/utils.ts
index 09c35a5335ba07f7a7e94937564a0c99e0fdca0f..3b618360bc25c52b37a86734c7a00d430e9cf958 100644 (file)
--- a/server/helpers/utils.ts
+++ b/server/helpers/utils.ts
@@ -1,54 +1,164 @@
-import { pseudoRandomBytes } from 'crypto'
-
+import * as express from 'express'
+import * as multer from 'multer'
+import { Model } from 'sequelize-typescript'
+import { ResultList } from '../../shared'
+import { VideoResolution } from '../../shared/models/videos'
+import { CONFIG, REMOTE_SCHEME } from '../initializers'
+import { UserModel } from '../models/account/user'
+import { ActorModel } from '../models/activitypub/actor'
+import { ApplicationModel } from '../models/application/application'
+import { pseudoRandomBytesPromise } from './core-utils'
 import { logger } from './logger'
 
-function badRequest (req, res, next) {
-  res.type('json').status(400).end()
+function getHostWithPort (host: string) {
+  const splitted = host.split(':')
+
+  // The port was not specified
+  if (splitted.length === 1) {
+    if (REMOTE_SCHEME.HTTP === 'https') return host + ':443'
+
+    return host + ':80'
+  }
+
+  return host
 }
 
-function generateRandomString (size, callback) {
-  pseudoRandomBytes(size, function (err, raw) {
-    if (err) return callback(err)
+function badRequest (req: express.Request, res: express.Response, next: express.NextFunction) {
+  return res.type('json').status(400).end()
+}
+
+function createReqFiles (
+  fieldNames: string[],
+  mimeTypes: { [ id: string ]: string },
+  destinations: { [ fieldName: string ]: string }
+) {
+  const storage = multer.diskStorage({
+    destination: (req, file, cb) => {
+      cb(null, destinations[file.fieldname])
+    },
+
+    filename: async (req, file, cb) => {
+      const extension = mimeTypes[file.mimetype]
+      let randomString = ''
+
+      try {
+        randomString = await generateRandomString(16)
+      } catch (err) {
+        logger.error('Cannot generate random string for file name.', err)
+        randomString = 'fake-random-string'
+      }
 
-    callback(null, raw.toString('hex'))
+      cb(null, randomString + extension)
+    }
   })
+
+  const fields = []
+  for (const fieldName of fieldNames) {
+    fields.push({
+      name: fieldName,
+      maxCount: 1
+    })
+  }
+
+  return multer({ storage }).fields(fields)
 }
 
-function cleanForExit (webtorrentProcess) {
-  logger.info('Gracefully exiting.')
-  process.kill(-webtorrentProcess.pid)
+async function generateRandomString (size: number) {
+  const raw = await pseudoRandomBytesPromise(size)
+
+  return raw.toString('hex')
 }
 
-function createEmptyCallback () {
-  return function (err) {
-    if (err) logger.error('Error in empty callback.', { error: err })
+interface FormattableToJSON {
+  toFormattedJSON ()
+}
+
+function getFormattedObjects<U, T extends FormattableToJSON> (objects: T[], objectsTotal: number) {
+  const formattedObjects: U[] = []
+
+  objects.forEach(object => {
+    formattedObjects.push(object.toFormattedJSON())
+  })
+
+  const res: ResultList<U> = {
+    total: objectsTotal,
+    data: formattedObjects
   }
+
+  return res
 }
 
-function isTestInstance () {
-  return (process.env.NODE_ENV === 'test')
+async function isSignupAllowed () {
+  if (CONFIG.SIGNUP.ENABLED === false) {
+    return false
+  }
+
+  // No limit and signup is enabled
+  if (CONFIG.SIGNUP.LIMIT === -1) {
+    return true
+  }
+
+  const totalUsers = await UserModel.countTotal()
+
+  return totalUsers < CONFIG.SIGNUP.LIMIT
 }
 
-function getFormatedObjects (objects, objectsTotal) {
-  const formatedObjects = []
+function computeResolutionsToTranscode (videoFileHeight: number) {
+  const resolutionsEnabled: number[] = []
+  const configResolutions = CONFIG.TRANSCODING.RESOLUTIONS
+
+  const resolutions = [
+    VideoResolution.H_240P,
+    VideoResolution.H_360P,
+    VideoResolution.H_480P,
+    VideoResolution.H_720P,
+    VideoResolution.H_1080P
+  ]
+
+  for (const resolution of resolutions) {
+    if (configResolutions[resolution + 'p'] === true && videoFileHeight > resolution) {
+      resolutionsEnabled.push(resolution)
+    }
+  }
+
+  return resolutionsEnabled
+}
 
-  objects.forEach(function (object) {
-    formatedObjects.push(object.toFormatedJSON())
+function resetSequelizeInstance (instance: Model<any>, savedFields: object) {
+  Object.keys(savedFields).forEach(key => {
+    const value = savedFields[key]
+    instance.set(key, value)
   })
+}
 
-  return {
-    total: objectsTotal,
-    data: formatedObjects
+let serverActor: ActorModel
+async function getServerActor () {
+  if (serverActor === undefined) {
+    const application = await ApplicationModel.load()
+    serverActor = application.Account.Actor
   }
+
+  if (!serverActor) {
+    logger.error('Cannot load server actor.')
+    process.exit(0)
+  }
+
+  return Promise.resolve(serverActor)
 }
 
+type SortType = { sortModel: any, sortValue: string }
+
 // ---------------------------------------------------------------------------
 
 export {
   badRequest,
-  createEmptyCallback,
-  cleanForExit,
   generateRandomString,
-  isTestInstance,
-  getFormatedObjects
+  getFormattedObjects,
+  isSignupAllowed,
+  computeResolutionsToTranscode,
+  resetSequelizeInstance,
+  getServerActor,
+  SortType,
+  getHostWithPort,
+  createReqFiles
 }