diff --git a/controllers/authController.js b/controllers/authController.js
index 48c7253..03d9bef 100644
--- a/controllers/authController.js
+++ b/controllers/authController.js
@@ -1,40 +1,12 @@
 const bcrypt = require('bcrypt')
 const config = require('./../config')
 const db = require('knex')(config.database)
+const perms = require('./permissionController')
 const randomstring = require('randomstring')
 const utils = require('./utilsController')
 
 const authController = {}
 
-authController.permissions = {
-  user: 0, // upload & delete own files, create & delete albums
-  moderator: 50, // delete other user's files
-  admin: 80, // manage users (disable accounts) & create moderators
-  superadmin: 100 // create admins
-  // groups will inherit permissions from groups which have lower value
-}
-
-authController.is = (user, group) => {
-  // root bypass
-  if (user.username === 'root') { return true }
-  const permission = user.permission || 0
-  return permission >= authController.permissions[group]
-}
-
-authController.higher = (user, target) => {
-  const userPermission = user.permission || 0
-  const targetPermission = target.permission || 0
-  return userPermission > targetPermission
-}
-
-authController.mapPermissions = user => {
-  const map = {}
-  Object.keys(authController.permissions).forEach(group => {
-    map[group] = authController.is(user, group)
-  })
-  return map
-}
-
 authController.verify = async (req, res, next) => {
   const username = req.body.username
   const password = req.body.password
@@ -92,7 +64,7 @@ authController.register = async (req, res, next) => {
       password: hash,
       token,
       enabled: 1,
-      permission: authController.permissions.user
+      permission: perms.permissions.user
     })
     return res.json({ success: true, token })
   })
@@ -191,7 +163,7 @@ authController.editUser = async (req, res, next) => {
 
   if (!target) {
     return res.json({ success: false, description: 'Could not get user with the specified ID.' })
-  } else if (!authController.higher(user, target)) {
+  } else if (!perms.higher(user, target)) {
     return res.json({ success: false, description: 'The user is in the same or higher group as you.' })
   } else if (target.username === 'root') {
     return res.json({ success: false, description: 'Root user may not be edited.' })
@@ -202,7 +174,7 @@ authController.editUser = async (req, res, next) => {
     return res.json({ success: false, description: 'Username must have 4-32 characters.' })
   }
 
-  let permission = req.body.group ? authController.permissions[req.body.group] : target.permission
+  let permission = req.body.group ? perms.permissions[req.body.group] : target.permission
   if (typeof permission !== 'number' || permission < 0) { permission = target.permission }
 
   await db.table('users')
@@ -236,7 +208,7 @@ authController.listUsers = async (req, res, next) => {
   const user = await utils.authorize(req, res)
   if (!user) { return }
 
-  const isadmin = authController.is(user, 'admin')
+  const isadmin = perms.is(user, 'admin')
   if (!isadmin) { return res.status(403) }
 
   let offset = req.params.page
diff --git a/controllers/permissionController.js b/controllers/permissionController.js
new file mode 100644
index 0000000..2e928de
--- /dev/null
+++ b/controllers/permissionController.js
@@ -0,0 +1,32 @@
+const permissionController = {}
+
+permissionController.permissions = {
+  user: 0, // upload & delete own files, create & delete albums
+  moderator: 50, // delete other user's files
+  admin: 80, // manage users (disable accounts) & create moderators
+  superadmin: 100 // create admins
+  // groups will inherit permissions from groups which have lower value
+}
+
+permissionController.is = (user, group) => {
+  // root bypass
+  if (user.username === 'root') { return true }
+  const permission = user.permission || 0
+  return permission >= permissionController.permissions[group]
+}
+
+permissionController.higher = (user, target) => {
+  const userPermission = user.permission || 0
+  const targetPermission = target.permission || 0
+  return userPermission > targetPermission
+}
+
+permissionController.mapPermissions = user => {
+  const map = {}
+  Object.keys(permissionController.permissions).forEach(group => {
+    map[group] = permissionController.is(user, group)
+  })
+  return map
+}
+
+module.exports = permissionController
diff --git a/controllers/tokenController.js b/controllers/tokenController.js
index 63264a9..38dfd48 100644
--- a/controllers/tokenController.js
+++ b/controllers/tokenController.js
@@ -1,6 +1,6 @@
-const auth = require('./authController')
 const config = require('./../config')
 const db = require('knex')(config.database)
+const perms = require('./permissionController')
 const randomstring = require('randomstring')
 const utils = require('./utilsController')
 
@@ -26,7 +26,7 @@ tokenController.verify = async (req, res, next) => {
   return res.json({
     success: true,
     username: user.username,
-    permissions: auth.mapPermissions(user)
+    permissions: perms.mapPermissions(user)
   })
 }
 
diff --git a/controllers/uploadController.js b/controllers/uploadController.js
index fd25e00..364b2b1 100644
--- a/controllers/uploadController.js
+++ b/controllers/uploadController.js
@@ -1,4 +1,3 @@
-const auth = require('./authController')
 const config = require('./../config')
 const crypto = require('crypto')
 const db = require('knex')(config.database)
@@ -6,6 +5,7 @@ const fetch = require('node-fetch')
 const fs = require('fs')
 const multer = require('multer')
 const path = require('path')
+const perms = require('./permissionController')
 const randomstring = require('randomstring')
 const utils = require('./utilsController')
 
@@ -652,7 +652,7 @@ uploadsController.list = async (req, res) => {
 
   // Headers is string-only, this seem to be the safest and lightest
   const all = req.headers.all === '1'
-  const ismoderator = auth.is(user, 'moderator')
+  const ismoderator = perms.is(user, 'moderator')
   if (all && !ismoderator) { return res.json(403) }
 
   const files = await db.table('files')
diff --git a/controllers/utilsController.js b/controllers/utilsController.js
index 0a47691..0fabed1 100644
--- a/controllers/utilsController.js
+++ b/controllers/utilsController.js
@@ -5,6 +5,7 @@ const ffmpeg = require('fluent-ffmpeg')
 const fs = require('fs')
 const gm = require('gm')
 const path = require('path')
+const perms = require('./permissionController')
 
 const utilsController = {}
 const uploadsDir = path.join(__dirname, '..', config.uploads.folder)
@@ -167,10 +168,12 @@ utilsController.deleteFile = file => {
 utilsController.bulkDeleteFiles = async (field, values, user) => {
   if (!user || !['id', 'name'].includes(field)) { return }
 
+  console.log(require('util').inspect(perms))
+  const ismoderator = perms.is(user, 'moderator')
   const files = await db.table('files')
     .whereIn(field, values)
     .where(function () {
-      if (user.username !== 'root') {
+      if (!ismoderator) {
         this.where('userid', user.id)
       }
     })
diff --git a/database/db.js b/database/db.js
index d8bbb73..656789b 100644
--- a/database/db.js
+++ b/database/db.js
@@ -1,4 +1,4 @@
-const { permissions } = require('./../controllers/authController')
+const perms = require('./../controllers/permissionController')
 
 const init = function (db) {
   // Create the tables we need to store galleries and files
@@ -59,7 +59,7 @@ const init = function (db) {
               password: hash,
               token: require('randomstring').generate(64),
               timestamp: Math.floor(Date.now() / 1000),
-              permission: permissions.superadmin
+              permission: perms.permissions.superadmin
             }).then(() => {})
           })
         })
diff --git a/database/migration.js b/database/migration.js
index eb7b599..216dd0a 100644
--- a/database/migration.js
+++ b/database/migration.js
@@ -1,6 +1,6 @@
 const config = require('./../config')
 const db = require('knex')(config.database)
-const { permissions } = require('./../controllers/authController')
+const perms = require('./../controllers/permissionController')
 
 const map = {
   albums: {
@@ -36,11 +36,11 @@ migration.start = async () => {
     .where('username', 'root')
     .first()
     .update({
-      permission: permissions.superadmin
+      permission: perms.permissions.superadmin
     })
     .then(rows => {
       if (!rows) { return console.log('Unable to update root\'s permission into superadmin.') }
-      console.log(`Updated root's permission to ${permissions.superadmin} (superadmin).`)
+      console.log(`Updated root's permission to ${perms.permissions.superadmin} (superadmin).`)
     })
 
   console.log('Migration finished! Now start lolisafe normally')