X-Git-Url: https://git.immae.eu/?a=blobdiff_plain;f=server%2Fhelpers%2Futils.ts;h=7abcec5d727fe3f08ea7607d755cfe92a01fcc66;hb=5d08a6a74e83f2e4dfe2f3ba7f5a39371e1bc89e;hp=8e489de9664c2c951c56c9225a7c3541128d44c0;hpb=1840c2f7c91f5f89602a3683d85b0a9df1454855;p=github%2FChocobozzz%2FPeerTube.git

diff --git a/server/helpers/utils.ts b/server/helpers/utils.ts
index 8e489de96..7abcec5d7 100644
--- a/server/helpers/utils.ts
+++ b/server/helpers/utils.ts
@@ -1,46 +1,199 @@
-import * as express from 'express'
+import { Model } from 'sequelize-typescript'
+import * as ipaddr from 'ipaddr.js'
+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, unlinkPromise } from './core-utils'
+import { logger } from './logger'
+import { isArray } from './custom-validators/misc'
 
-import { pseudoRandomBytes } from 'crypto'
-import { join } from 'path'
+const isCidr = require('is-cidr')
 
-import { logger } from './logger'
+function cleanUpReqFiles (req: { files: { [ fieldname: string ]: Express.Multer.File[] } | Express.Multer.File[] }) {
+  const files = req.files
 
-function badRequest (req: express.Request, res: express.Response, next: express.NextFunction) {
-  res.type('json').status(400).end()
+  if (!files) return
+
+  if (isArray(files)) {
+    (files as Express.Multer.File[]).forEach(f => deleteFileAsync(f.path))
+    return
+  }
+
+  for (const key of Object.keys(files)) {
+    const file = files[key]
+
+    if (isArray(file)) file.forEach(f => deleteFileAsync(f.path))
+    else deleteFileAsync(file.path)
+  }
 }
 
-function generateRandomString (size: number, callback: (err: Error, randomString?: string) => void) {
-  pseudoRandomBytes(size, function (err, raw) {
-    if (err) return callback(err)
+function deleteFileAsync (path: string) {
+  unlinkPromise(path)
+    .catch(err => logger.error('Cannot delete the file %s asynchronously.', path, { err }))
+}
 
-    callback(null, raw.toString('hex'))
-  })
+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 (args?: any)
 }
 
-function getFormatedObjects (objects: any[], objectsTotal: number) {
-  const formatedObjects = []
+function getFormattedObjects<U, T extends FormattableToJSON> (objects: T[], objectsTotal: number, formattedArg?: any) {
+  const formattedObjects: U[] = []
 
-  objects.forEach(function (object) {
-    formatedObjects.push(object.toFormatedJSON())
+  objects.forEach(object => {
+    formattedObjects.push(object.toFormattedJSON(formattedArg))
   })
 
   return {
     total: objectsTotal,
-    data: formatedObjects
+    data: formattedObjects
+  } as ResultList<U>
+}
+
+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 isSignupAllowedForCurrentIP (ip: string) {
+  const addr = ipaddr.parse(ip)
+  let excludeList = [ 'blacklist' ]
+  let matched = ''
+
+  // 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 computeResolutionsToTranscode (videoFileHeight: number) {
+  const resolutionsEnabled: number[] = []
+  const configResolutions = CONFIG.TRANSCODING.RESOLUTIONS
+
+  // Put in the order we want to proceed jobs
+  const resolutions = [
+    VideoResolution.H_480P,
+    VideoResolution.H_360P,
+    VideoResolution.H_720P,
+    VideoResolution.H_240P,
+    VideoResolution.H_1080P
+  ]
+
+  for (const resolution of resolutions) {
+    if (configResolutions[ resolution + 'p' ] === true && videoFileHeight > resolution) {
+      resolutionsEnabled.push(resolution)
+    }
+  }
+
+  return resolutionsEnabled
+}
+
+const timeTable = {
+  ms:           1,
+  second:       1000,
+  minute:       60000,
+  hour:         3600000,
+  day:          3600000 * 24,
+  week:         3600000 * 24 * 7,
+  month:        3600000 * 24 * 30
+}
+export function parseDuration (duration: number | string): number {
+  if (typeof duration === 'number') return duration
+
+  if (typeof duration === 'string') {
+    const split = duration.match(/^([\d\.,]+)\s?(\w+)$/)
+
+    if (split.length === 3) {
+      const len = parseFloat(split[1])
+      let unit = split[2].replace(/s$/i,'').toLowerCase()
+      if (unit === 'm') {
+        unit = 'ms'
+      }
+
+      return (len || 1) * (timeTable[unit] || 0)
+    }
+  }
+
+  throw new Error('Duration could not be properly parsed')
+}
+
+function resetSequelizeInstance (instance: Model<any>, savedFields: object) {
+  Object.keys(savedFields).forEach(key => {
+    const value = savedFields[key]
+    instance.set(key, value)
+  })
+}
+
+let serverActor: ActorModel
+async function getServerActor () {
+  if (serverActor === undefined) {
+    const application = await ApplicationModel.load()
+    if (!application) throw Error('Could not load Application from database.')
+
+    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,
+  cleanUpReqFiles,
+  deleteFileAsync,
   generateRandomString,
-  getFormatedObjects
+  getFormattedObjects,
+  isSignupAllowed,
+  isSignupAllowedForCurrentIP,
+  computeResolutionsToTranscode,
+  resetSequelizeInstance,
+  getServerActor,
+  SortType
 }