diff --git a/api/src/middlewares/authenticateToken.ts b/api/src/middlewares/authenticateToken.ts
index 23d5d0a..90c7027 100644
--- a/api/src/middlewares/authenticateToken.ts
+++ b/api/src/middlewares/authenticateToken.ts
@@ -3,7 +3,6 @@ import jwt from 'jsonwebtoken'
 import { csrfProtection } from '../app'
 import { fetchLatestAutoExec, ModeType, verifyTokenInDB } from '../utils'
 import { desktopUser } from './desktop'
-import { authorize } from './authorize'
 
 export const authenticateAccessToken: RequestHandler = async (
   req,
@@ -25,7 +24,7 @@ export const authenticateAccessToken: RequestHandler = async (
       if (user) {
         if (user.isActive) {
           req.user = user
-          return csrfProtection(req, res, () => authorize(req, res, next))
+          return csrfProtection(req, res, next)
         } else return res.sendStatus(401)
       }
     }
@@ -35,7 +34,7 @@ export const authenticateAccessToken: RequestHandler = async (
   authenticateToken(
     req,
     res,
-    () => authorize(req, res, next),
+    next,
     process.env.ACCESS_TOKEN_SECRET as string,
     'accessToken'
   )
diff --git a/api/src/middlewares/authorize.ts b/api/src/middlewares/authorize.ts
index 004b7f7..dc336d4 100644
--- a/api/src/middlewares/authorize.ts
+++ b/api/src/middlewares/authorize.ts
@@ -13,13 +13,15 @@ export const authorize: RequestHandler = async (req, res, next) => {
     const dbUser = await User.findOne({ id: user.userId })
     if (!dbUser) return res.sendStatus(401)
 
-    const uri = req.baseUrl + req.path
+    const uri = req.baseUrl + req.route.path
 
     // find permission w.r.t user
     permission = await Permission.findOne({ uri, user: dbUser._id })
 
-    if (permission && permission.setting === PermissionSetting.grant)
-      return next()
+    if (permission) {
+      if (permission.setting === PermissionSetting.grant) return next()
+      else res.sendStatus(401)
+    }
 
     // find permission w.r.t user's groups
     for (const group of dbUser.groups) {
diff --git a/api/src/routes/api/code.ts b/api/src/routes/api/code.ts
index 09171c0..4c7fb57 100644
--- a/api/src/routes/api/code.ts
+++ b/api/src/routes/api/code.ts
@@ -1,12 +1,13 @@
 import express from 'express'
 import { runCodeValidation } from '../../utils'
 import { CodeController } from '../../controllers/'
+import { authorize } from '../../middlewares'
 
 const runRouter = express.Router()
 
 const controller = new CodeController()
 
-runRouter.post('/execute', async (req, res) => {
+runRouter.post('/execute', authorize, async (req, res) => {
   const { error, value: body } = runCodeValidation(req.body)
   if (error) return res.status(400).send(error.details[0].message)
 
diff --git a/api/src/routes/api/drive.ts b/api/src/routes/api/drive.ts
index 6126946..6b9115e 100644
--- a/api/src/routes/api/drive.ts
+++ b/api/src/routes/api/drive.ts
@@ -3,6 +3,7 @@ import { deleteFile, readFile } from '@sasjs/utils'
 
 import { publishAppStream } from '../appStream'
 
+import { authorize } from '../../middlewares'
 import { multerSingle } from '../../middlewares/multer'
 import { DriveController } from '../../controllers/'
 import {
@@ -19,7 +20,7 @@ const controller = new DriveController()
 
 const driveRouter = express.Router()
 
-driveRouter.post('/deploy', async (req, res) => {
+driveRouter.post('/deploy', authorize, async (req, res) => {
   const { error, value: body } = deployValidation(req.body)
   if (error) return res.status(400).send(error.details[0].message)
 
@@ -48,6 +49,7 @@ driveRouter.post('/deploy', async (req, res) => {
 
 driveRouter.post(
   '/deploy/upload',
+  authorize,
   (...arg) => multerSingle('file', arg),
   async (req, res) => {
     if (!req.file) return res.status(400).send('"file" is not present.')
@@ -111,7 +113,7 @@ driveRouter.post(
   }
 )
 
-driveRouter.get('/file', async (req, res) => {
+driveRouter.get('/file', authorize, async (req, res) => {
   const { error: errQ, value: query } = fileParamValidation(req.query)
 
   if (errQ) return res.status(400).send(errQ.details[0].message)
@@ -123,7 +125,7 @@ driveRouter.get('/file', async (req, res) => {
   }
 })
 
-driveRouter.get('/folder', async (req, res) => {
+driveRouter.get('/folder', authorize, async (req, res) => {
   const { error: errQ, value: query } = folderParamValidation(req.query)
 
   if (errQ) return res.status(400).send(errQ.details[0].message)
@@ -136,7 +138,7 @@ driveRouter.get('/folder', async (req, res) => {
   }
 })
 
-driveRouter.delete('/file', async (req, res) => {
+driveRouter.delete('/file', authorize, async (req, res) => {
   const { error: errQ, value: query } = fileParamValidation(req.query)
 
   if (errQ) return res.status(400).send(errQ.details[0].message)
@@ -151,6 +153,7 @@ driveRouter.delete('/file', async (req, res) => {
 
 driveRouter.post(
   '/file',
+  authorize,
   (...arg) => multerSingle('file', arg),
   async (req, res) => {
     const { error: errQ, value: query } = fileParamValidation(req.query)
@@ -179,6 +182,7 @@ driveRouter.post(
 
 driveRouter.patch(
   '/file',
+  authorize,
   (...arg) => multerSingle('file', arg),
   async (req, res) => {
     const { error: errQ, value: query } = fileParamValidation(req.query)
@@ -205,7 +209,7 @@ driveRouter.patch(
   }
 )
 
-driveRouter.get('/fileTree', async (req, res) => {
+driveRouter.get('/fileTree', authorize, async (req, res) => {
   try {
     const response = await controller.getFileTree()
     res.send(response)
diff --git a/api/src/routes/api/permission.ts b/api/src/routes/api/permission.ts
index 0dd98b0..d354744 100644
--- a/api/src/routes/api/permission.ts
+++ b/api/src/routes/api/permission.ts
@@ -1,6 +1,10 @@
 import express from 'express'
 import { PermissionController } from '../../controllers/'
-import { authenticateAccessToken, verifyAdmin } from '../../middlewares'
+import {
+  authenticateAccessToken,
+  verifyAdmin,
+  authorize
+} from '../../middlewares'
 import {
   registerPermissionValidation,
   updatePermissionValidation
@@ -9,16 +13,21 @@ import {
 const permissionRouter = express.Router()
 const controller = new PermissionController()
 
-permissionRouter.get('/', authenticateAccessToken, async (req, res) => {
-  try {
-    const response = await controller.getAllPermissions()
-    res.send(response)
-  } catch (err: any) {
-    const statusCode = err.code
-    delete err.code
-    res.status(statusCode).send(err.message)
+permissionRouter.get(
+  '/',
+  authenticateAccessToken,
+  authorize,
+  async (req, res) => {
+    try {
+      const response = await controller.getAllPermissions()
+      res.send(response)
+    } catch (err: any) {
+      const statusCode = err.code
+      delete err.code
+      res.status(statusCode).send(err.message)
+    }
   }
-})
+)
 
 permissionRouter.post(
   '/',
diff --git a/api/src/routes/api/spec/drive.spec.ts b/api/src/routes/api/spec/drive.spec.ts
index e9e6e8a..d9475c4 100644
--- a/api/src/routes/api/spec/drive.spec.ts
+++ b/api/src/routes/api/spec/drive.spec.ts
@@ -29,7 +29,12 @@ jest
   .mockImplementation(() => path.join(tmpFolder, 'uploads'))
 
 import appPromise from '../../../app'
-import { UserController } from '../../../controllers/'
+import {
+  UserController,
+  PermissionController,
+  PermissionSetting,
+  PrincipalType
+} from '../../../controllers/'
 import { getTreeExample } from '../../../controllers/internal'
 import { generateAccessToken, saveTokensInDB } from '../../../utils/'
 const { getFilesFolder } = fileUtilModules
@@ -48,6 +53,7 @@ describe('drive', () => {
   let con: Mongoose
   let mongoServer: MongoMemoryServer
   const controller = new UserController()
+  const permissionController = new PermissionController()
 
   let accessToken: string
 
@@ -58,11 +64,31 @@ describe('drive', () => {
     con = await mongoose.connect(mongoServer.getUri())
 
     const dbUser = await controller.createUser(user)
-    accessToken = generateAccessToken({
-      clientId,
-      userId: dbUser.id
+    accessToken = await generateAndSaveToken(dbUser.id)
+    permissionController.createPermission({
+      uri: '/SASjsApi/drive/deploy',
+      principalType: PrincipalType.user,
+      principalId: dbUser.id,
+      setting: PermissionSetting.grant
+    })
+    permissionController.createPermission({
+      uri: '/SASjsApi/drive/deploy/upload',
+      principalType: PrincipalType.user,
+      principalId: dbUser.id,
+      setting: PermissionSetting.grant
+    })
+    permissionController.createPermission({
+      uri: '/SASjsApi/drive/file',
+      principalType: PrincipalType.user,
+      principalId: dbUser.id,
+      setting: PermissionSetting.grant
+    })
+    permissionController.createPermission({
+      uri: '/SASjsApi/drive/folder',
+      principalType: PrincipalType.user,
+      principalId: dbUser.id,
+      setting: PermissionSetting.grant
     })
-    await saveTokensInDB(dbUser.id, clientId, accessToken, 'refreshToken')
   })
 
   afterAll(async () => {
@@ -945,3 +971,12 @@ describe('drive', () => {
 const getExampleService = (): ServiceMember =>
   ((getTreeExample().members[0] as FolderMember).members[0] as FolderMember)
     .members[0] as ServiceMember
+
+const generateAndSaveToken = async (userId: number) => {
+  const adminAccessToken = generateAccessToken({
+    clientId,
+    userId
+  })
+  await saveTokensInDB(userId, clientId, adminAccessToken, 'refreshToken')
+  return adminAccessToken
+}
diff --git a/api/src/routes/api/spec/permission.spec.ts b/api/src/routes/api/spec/permission.spec.ts
index 23c1fbc..ecd3587 100644
--- a/api/src/routes/api/spec/permission.spec.ts
+++ b/api/src/routes/api/spec/permission.spec.ts
@@ -440,17 +440,25 @@ describe('permission', () => {
     })
 
     it('should give a list of all permissions when user is not admin', async () => {
-      const accessToken = await generateSaveTokenAndCreateUser({
+      const dbUser = await userController.createUser({
         ...user,
         username: 'get' + user.username
       })
+      const accessToken = await generateAndSaveToken(dbUser.id)
+      await permissionController.createPermission({
+        uri: '/SASjsApi/permission/',
+        principalType: PrincipalType.user,
+        principalId: dbUser.id,
+        setting: PermissionSetting.grant
+      })
+
       const res = await request(app)
         .get('/SASjsApi/permission/')
         .auth(accessToken, { type: 'bearer' })
         .send()
         .expect(200)
 
-      expect(res.body).toHaveLength(2)
+      expect(res.body).toHaveLength(3)
     })
   })
 })
diff --git a/api/src/routes/api/spec/stp.spec.ts b/api/src/routes/api/spec/stp.spec.ts
index f80ab8b..eb34570 100644
--- a/api/src/routes/api/spec/stp.spec.ts
+++ b/api/src/routes/api/spec/stp.spec.ts
@@ -4,7 +4,12 @@ import mongoose, { Mongoose } from 'mongoose'
 import { MongoMemoryServer } from 'mongodb-memory-server'
 import request from 'supertest'
 import appPromise from '../../../app'
-import { UserController } from '../../../controllers/'
+import {
+  UserController,
+  PermissionController,
+  PermissionSetting,
+  PrincipalType
+} from '../../../controllers/'
 import {
   generateAccessToken,
   saveTokensInDB,
@@ -41,12 +46,21 @@ describe('stp', () => {
   let con: Mongoose
   let mongoServer: MongoMemoryServer
   let accessToken: string
+  const userController = new UserController()
+  const permissionController = new PermissionController()
 
   beforeAll(async () => {
     app = await appPromise
     mongoServer = await MongoMemoryServer.create()
     con = await mongoose.connect(mongoServer.getUri())
-    accessToken = await generateSaveTokenAndCreateUser(user)
+    const dbUser = await userController.createUser(user)
+    accessToken = await generateAndSaveToken(dbUser.id)
+    await permissionController.createPermission({
+      uri: '/SASjsApi/stp/execute',
+      principalType: PrincipalType.user,
+      principalId: dbUser.id,
+      setting: PermissionSetting.grant
+    })
   })
 
   afterAll(async () => {
diff --git a/api/src/routes/api/stp.ts b/api/src/routes/api/stp.ts
index 858feb5..14a3dea 100644
--- a/api/src/routes/api/stp.ts
+++ b/api/src/routes/api/stp.ts
@@ -2,13 +2,14 @@ import express from 'express'
 import { executeProgramRawValidation } from '../../utils'
 import { STPController } from '../../controllers/'
 import { FileUploadController } from '../../controllers/internal'
+import { authorize } from '../../middlewares'
 
 const stpRouter = express.Router()
 
 const fileUploadController = new FileUploadController()
 const controller = new STPController()
 
-stpRouter.get('/execute', async (req, res) => {
+stpRouter.get('/execute', authorize, async (req, res) => {
   const { error, value: query } = executeProgramRawValidation(req.query)
   if (error) return res.status(400).send(error.details[0].message)
 
@@ -32,6 +33,7 @@ stpRouter.get('/execute', async (req, res) => {
 
 stpRouter.post(
   '/execute',
+  authorize,
   fileUploadController.preUploadMiddleware,
   fileUploadController.getMulterUploadObject().any(),
   async (req, res: any) => {