X-Git-Url: https://git.immae.eu/?a=blobdiff_plain;f=server%2Fhelpers%2Futils.ts;h=e4556fa12d4a875b4665170785e3b940403d9dc1;hb=ad9e39fb815d85e5e718c40540fa75471474fa17;hp=bbf135fa118838b0efe4ffcc99822dff380964b9;hpb=9e580054399e3d40b0cc366afc80ceb7426ad590;p=github%2FChocobozzz%2FPeerTube.git

diff --git a/server/helpers/utils.ts b/server/helpers/utils.ts
index bbf135fa1..e4556fa12 100644
--- a/server/helpers/utils.ts
+++ b/server/helpers/utils.ts
@@ -1,49 +1,142 @@
-import * as express from 'express'
+import { Model } from 'sequelize-typescript'
+import * as ipaddr from 'ipaddr.js'
+const isCidr = require('is-cidr')
+import { ResultList } from '../../shared'
+import { VideoResolution } from '../../shared/models/videos'
+import { CONFIG } 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'
 
-import { pseudoRandomBytes } from 'crypto'
+async function generateRandomString (size: number) {
+  const raw = await pseudoRandomBytesPromise(size)
 
-import { logger } from './logger'
+  return raw.toString('hex')
+}
 
-function badRequest (req: express.Request, res: express.Response, next: express.NextFunction) {
-  res.type('json').status(400).end()
+interface FormattableToJSON {
+  toFormattedJSON ()
 }
 
-function generateRandomString (size: number, callback: (err: Error, randomString?: string) => void) {
-  pseudoRandomBytes(size, function (err, raw) {
-    if (err) return callback(err)
+function getFormattedObjects<U, T extends FormattableToJSON> (objects: T[], objectsTotal: number) {
+  const formattedObjects: U[] = []
 
-    callback(null, raw.toString('hex'))
+  objects.forEach(object => {
+    formattedObjects.push(object.toFormattedJSON())
   })
+
+  const res: ResultList<U> = {
+    total: objectsTotal,
+    data: formattedObjects
+  }
+
+  return res
 }
 
-function createEmptyCallback () {
-  return function (err) {
-    if (err) logger.error('Error in empty callback.', { error: err })
+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
 }
 
-interface FormatableToJSON {
-  toFormatedJSON ()
+function isSignupAllowedForCurrentIP (ip: string) {
+  const addr = ipaddr.parse(ip)
+  let excludeList = [ 'blacklist' ]
+  let matched: string
+
+  // if there is a valid, non-empty whitelist, we exclude all unknown adresses too
+  if (CONFIG.SIGNUP.FILTERS.CIDR.WHITELIST.filter(cidr => isCidr(cidr)).length > 0) {
+    excludeList.push('unknown')
+  }
+
+  if (addr.kind() === 'ipv4') {
+    const addrV4 = ipaddr.IPv4.parse(ip)
+    const rangeList = {
+      whitelist: CONFIG.SIGNUP.FILTERS.CIDR.WHITELIST.filter(cidr => isCidr.v4(cidr))
+                                                .map(cidr => ipaddr.IPv4.parseCIDR(cidr)),
+      blacklist: CONFIG.SIGNUP.FILTERS.CIDR.BLACKLIST.filter(cidr => isCidr.v4(cidr))
+                                                .map(cidr => ipaddr.IPv4.parseCIDR(cidr))
+    }
+    matched = ipaddr.subnetMatch(addrV4, rangeList, 'unknown')
+  } else if (addr.kind() === 'ipv6') {
+    const addrV6 = ipaddr.IPv6.parse(ip)
+    const rangeList = {
+      whitelist: CONFIG.SIGNUP.FILTERS.CIDR.WHITELIST.filter(cidr => isCidr.v6(cidr))
+                                                .map(cidr => ipaddr.IPv6.parseCIDR(cidr)),
+      blacklist: CONFIG.SIGNUP.FILTERS.CIDR.BLACKLIST.filter(cidr => isCidr.v6(cidr))
+                                                .map(cidr => ipaddr.IPv6.parseCIDR(cidr))
+    }
+    matched = ipaddr.subnetMatch(addrV6, rangeList, 'unknown')
+  }
+
+  return !excludeList.includes(matched)
 }
 
-function getFormatedObjects<U, T extends FormatableToJSON> (objects: T[], objectsTotal: number) {
-  const formatedObjects: U[] = []
+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,
   generateRandomString,
-  getFormatedObjects
+  getFormattedObjects,
+  isSignupAllowed,
+  isSignupAllowedForCurrentIP,
+  computeResolutionsToTranscode,
+  resetSequelizeInstance,
+  getServerActor,
+  SortType
 }