diff --git a/package.json b/package.json
index 3f4e272ec61201e11ea1019c097cb923036e7d6e..635ceaf76aa0c3d1e783abc8532deb086e3343df 100644
--- a/package.json
+++ b/package.json
@@ -100,6 +100,7 @@
"express-validator": "^5.0.0",
"flat": "^4.1.0",
"fluent-ffmpeg": "^2.1.0",
+ "fs-extra": "^7.0.0",
"helmet": "^3.12.1",
"ip-anonymize": "^0.0.6",
"ipaddr.js": "https://github.com/whitequark/ipaddr.js.git#8e69afeb4053ee32447a101845f860848280eca5",
@@ -110,7 +111,6 @@
"jsonld-signatures": "https://github.com/Chocobozzz/jsonld-signatures#rsa2017",
"lodash": "^4.17.10",
"magnet-uri": "^5.1.4",
- "mkdirp": "^0.5.1",
"morgan": "^1.5.3",
"multer": "^1.1.0",
"nodemailer": "^4.4.2",
diff --git a/scripts/generate-code-contributors.ts b/scripts/generate-code-contributors.ts
index 0cce62180cb5c36420288228c39097679754408b..3d37372d1e4aa2692ce018ea9d5338dea6142135 100755
--- a/scripts/generate-code-contributors.ts
+++ b/scripts/generate-code-contributors.ts
@@ -1,5 +1,5 @@
import { doRequest } from '../server/helpers/requests'
-import { readFileSync } from 'fs'
+import { readFileSync } from 'fs-extra'
run()
.then(() => process.exit(0))
diff --git a/scripts/i18n/create-custom-files.ts b/scripts/i18n/create-custom-files.ts
index c4f8411e133b078e3fdbda97f81c577072d9bc04..eed3182a6ed37385c586f7dbc00fe0af3288e7bb 100755
--- a/scripts/i18n/create-custom-files.ts
+++ b/scripts/i18n/create-custom-files.ts
@@ -1,5 +1,5 @@
import * as jsToXliff12 from 'xliff/jsToXliff12'
-import { writeFile } from 'fs'
+import { writeFile } from 'fs-extra'
import { join } from 'path'
import {
buildLanguages,
diff --git a/scripts/i18n/xliff2json.ts b/scripts/i18n/xliff2json.ts
index ed6854514c560d5fb58ef28aa7f617cef22c5759..7e6de28935069e03aa485700178a6821574c61fa 100755
--- a/scripts/i18n/xliff2json.ts
+++ b/scripts/i18n/xliff2json.ts
@@ -1,5 +1,5 @@
import * as xliff12ToJs from 'xliff/xliff12ToJs'
-import { readFileSync, unlink, writeFile } from 'fs'
+import { readFileSync, unlink, writeFile } from 'fs-extra'
import { join } from 'path'
import { buildFileLocale, I18N_LOCALES, isDefaultLocale } from '../../shared/models/i18n/i18n'
import { eachSeries } from 'async'
diff --git a/scripts/parse-log.ts b/scripts/parse-log.ts
index d22e902667ade5d25251b1781228befba486fa39..86aaa7994be9904fc51b3337441a2381c412ca96 100755
--- a/scripts/parse-log.ts
+++ b/scripts/parse-log.ts
@@ -1,5 +1,5 @@
import * as program from 'commander'
-import { createReadStream, readdirSync, statSync } from 'fs'
+import { createReadStream, readdirSync, statSync } from 'fs-extra'
import { join } from 'path'
import { createInterface } from 'readline'
import * as winston from 'winston'
diff --git a/server/controllers/static.ts b/server/controllers/static.ts
index 2a92810f353820739644eb0af78047daf81c7f6e..6e8f1a07f3f2f8b6821ca132e8e87d229f02c211 100644
--- a/server/controllers/static.ts
+++ b/server/controllers/static.ts
@@ -1,5 +1,5 @@
import * as cors from 'cors'
-import { createReadStream } from 'fs'
+import { createReadStream } from 'fs-extra'
import * as express from 'express'
import { CONFIG, STATIC_DOWNLOAD_PATHS, STATIC_MAX_AGE, STATIC_PATHS, ROUTE_CACHE_LIFETIME } from '../initializers'
import { VideosPreviewCache } from '../lib/cache'
diff --git a/server/helpers/captions-utils.ts b/server/helpers/captions-utils.ts
index 8b04f878d1273b079ab1860bf83348e2ee8efdf6..20c9fe5aa436efb48cb45128c1c97ec9f2d0c1f5 100644
--- a/server/helpers/captions-utils.ts
+++ b/server/helpers/captions-utils.ts
@@ -3,7 +3,7 @@ import { join } from 'path'
import { CONFIG } from '../initializers'
import { VideoCaptionModel } from '../models/video/video-caption'
import * as srt2vtt from 'srt-to-vtt'
-import { createReadStream, createWriteStream } from 'fs'
+import { createReadStream, createWriteStream } from 'fs-extra'
async function moveAndProcessCaptionFile (physicalFile: { filename: string, path: string }, videoCaption: VideoCaptionModel) {
const videoCaptionsDir = CONFIG.STORAGE.CAPTIONS_DIR
diff --git a/server/helpers/core-utils.ts b/server/helpers/core-utils.ts
index 90d2cd9b3c2fd01038b92ccf2cc1c53d247e327b..9830d41a89bdc375443d3587447d026c50c1d9f9 100644
--- a/server/helpers/core-utils.ts
+++ b/server/helpers/core-utils.ts
@@ -6,8 +6,7 @@
import * as bcrypt from 'bcrypt'
import * as createTorrent from 'create-torrent'
import { createHash, pseudoRandomBytes } from 'crypto'
-import { copyFile, readdir, readFile, rename, stat, Stats, unlink, writeFile } from 'fs'
-import * as mkdirp from 'mkdirp'
+import { copyFile, readdir, readFile, rename, stat, Stats, unlink, writeFile, mkdirp } from 'fs-extra'
import { isAbsolute, join } from 'path'
import * as pem from 'pem'
import * as rimraf from 'rimraf'
diff --git a/server/helpers/logger.ts b/server/helpers/logger.ts
index 480c5b49eac3df0ee1f2cc4766bab769f6b0ea15..ce6e38f158f5df297a0083dbc6692b69229bc0b3 100644
--- a/server/helpers/logger.ts
+++ b/server/helpers/logger.ts
@@ -1,5 +1,5 @@
// Thanks http://tostring.it/2014/06/23/advanced-logging-with-nodejs/
-import * as mkdirp from 'mkdirp'
+import { mkdirpSync } from 'fs-extra'
import * as path from 'path'
import * as winston from 'winston'
import { CONFIG } from '../initializers'
@@ -7,7 +7,7 @@ import { CONFIG } from '../initializers'
const label = CONFIG.WEBSERVER.HOSTNAME + ':' + CONFIG.WEBSERVER.PORT
// Create the directory if it does not exist
-mkdirp.sync(CONFIG.STORAGE.LOG_DIR)
+mkdirpSync(CONFIG.STORAGE.LOG_DIR)
function loggerReplacer (key: string, value: any) {
if (value instanceof Error) {
diff --git a/server/helpers/requests.ts b/server/helpers/requests.ts
index 64e3ce663b13f8668483296047577f956e171bdb..ee9e804040e8364a00723f2312d3917c221fd830 100644
--- a/server/helpers/requests.ts
+++ b/server/helpers/requests.ts
@@ -1,5 +1,5 @@
import * as Bluebird from 'bluebird'
-import { createWriteStream } from 'fs'
+import { createWriteStream } from 'fs-extra'
import * as request from 'request'
import { ACTIVITY_PUB } from '../initializers'
diff --git a/server/helpers/webtorrent.ts b/server/helpers/webtorrent.ts
index 6f2adb3cb447d9eb74bfbffbc2821b493eccc84f..1c0d00d70d33e04a58fee3747f66d856cbbf4e00 100644
--- a/server/helpers/webtorrent.ts
+++ b/server/helpers/webtorrent.ts
@@ -1,7 +1,7 @@
import { logger } from './logger'
import { generateVideoTmpPath } from './utils'
import * as WebTorrent from 'webtorrent'
-import { createWriteStream } from 'fs'
+import { createWriteStream } from 'fs-extra'
import { CONFIG } from '../initializers'
import { join } from 'path'
import { unlinkPromise } from './core-utils'
diff --git a/server/initializers/migrations/0065-video-file-size.ts b/server/initializers/migrations/0065-video-file-size.ts
index 4e2075f8b0700de9bfc22820a2f62dab1d891de7..66f25016a4eb76629aa16e23ccc81eeefc1b26ba 100644
--- a/server/initializers/migrations/0065-video-file-size.ts
+++ b/server/initializers/migrations/0065-video-file-size.ts
@@ -1,6 +1,6 @@
import * as Sequelize from 'sequelize'
import * as Promise from 'bluebird'
-import { stat } from 'fs'
+import { stat } from 'fs-extra'
import { VideoModel } from '../../models/video/video'
function up (utils: {
diff --git a/server/lib/cache/abstract-video-static-file-cache.ts b/server/lib/cache/abstract-video-static-file-cache.ts
index 8e895cc82e6a10be63e4217b71e92f2c760c46bc..3e20c5d2adbf5b8852ff1a0f07e73676b260666e 100644
--- a/server/lib/cache/abstract-video-static-file-cache.ts
+++ b/server/lib/cache/abstract-video-static-file-cache.ts
@@ -1,5 +1,5 @@
import * as AsyncLRU from 'async-lru'
-import { createWriteStream } from 'fs'
+import { createWriteStream } from 'fs-extra'
import { unlinkPromise } from '../../helpers/core-utils'
import { logger } from '../../helpers/logger'
import { VideoModel } from '../../models/video/video'
diff --git a/server/lib/emailer.ts b/server/lib/emailer.ts
index c8398c9e73031fa8f3b38d55bd91d63e52680687..bf8e5b6c3bcd6ce7f5b3cc7b471f5e814ce19c00 100644
--- a/server/lib/emailer.ts
+++ b/server/lib/emailer.ts
@@ -7,7 +7,7 @@ import { UserModel } from '../models/account/user'
import { VideoModel } from '../models/video/video'
import { JobQueue } from './job-queue'
import { EmailPayload } from './job-queue/handlers/email'
-import { readFileSync } from 'fs'
+import { readFileSync } from 'fs-extra'
class Emailer {
diff --git a/server/lib/schedulers/youtube-dl-update-scheduler.ts b/server/lib/schedulers/youtube-dl-update-scheduler.ts
index 24cd3f87b5f191ce24bc67d1b09b6ce2348ced9e..da47378e845ee54d2ac73ca5bace9cd86699069a 100644
--- a/server/lib/schedulers/youtube-dl-update-scheduler.ts
+++ b/server/lib/schedulers/youtube-dl-update-scheduler.ts
@@ -5,7 +5,7 @@ import { AbstractScheduler } from './abstract-scheduler'
import { SCHEDULER_INTERVALS_MS } from '../../initializers'
import { logger } from '../../helpers/logger'
import * as request from 'request'
-import { createWriteStream, writeFile } from 'fs'
+import { createWriteStream, writeFile } from 'fs-extra'
import { join } from 'path'
import { mkdirpPromise, root } from '../../helpers/core-utils'
diff --git a/server/tests/utils/users/accounts.ts b/server/tests/utils/users/accounts.ts
index 30b3c54f8ec29b2c2cdc72e401968cb8ac1e34bd..024a315c72f40d0e246adb28902882def2a65af9 100644
--- a/server/tests/utils/users/accounts.ts
+++ b/server/tests/utils/users/accounts.ts
@@ -1,7 +1,7 @@
/* tslint:disable:no-unused-expression */
import { expect } from 'chai'
-import { existsSync } from 'fs'
+import { existsSync } from 'fs-extra'
import { join } from 'path'
import { Account } from '../../../../shared/models/actors'
import { readdirPromise } from '../../../helpers/core-utils'
diff --git a/server/tests/utils/videos/videos.ts b/server/tests/utils/videos/videos.ts
index 674a92df93441bff816d67dad7774d192cd5d9ba..973bbbe87f0f1163d6c6f68b9aab93441ba2298b 100644
--- a/server/tests/utils/videos/videos.ts
+++ b/server/tests/utils/videos/videos.ts
@@ -1,7 +1,7 @@
/* tslint:disable:no-unused-expression */
import { expect } from 'chai'
-import { existsSync, readFile } from 'fs'
+import { existsSync, readFile } from 'fs-extra'
import * as parseTorrent from 'parse-torrent'
import { extname, join } from 'path'
import * as request from 'supertest'
diff --git a/server/tools/upload.ts b/server/tools/upload.ts
index 4d40c8c1a23824822a549cb38b567e9f9edadae3..b5630bb9cb3be5c3b0ce915c2d6d384b6a418b98 100644
--- a/server/tools/upload.ts
+++ b/server/tools/upload.ts
@@ -1,5 +1,5 @@
import * as program from 'commander'
-import { access, constants } from 'fs'
+import { access, constants } from 'fs-extra'
import { isAbsolute } from 'path'
import { promisify } from 'util'
import { getClient, login } from '../tests/utils'