NodeJsWithJWTAuth

Simple Node Js Application with JWT Authentication and Role Based Authorization.

Pre-requisite needed

1. Node Js has to be installed.
2. Needed mongo atlas cloud account or local mongo installed to store data.

To Run this project in local follow below steps.

1. This App uses Mongo DB as the database to store users and Express as the server.
2. create a file named .env in this project root directory, this is needed to keep your jwt token secret and mongo-db credentials.
3. In the .env file add these 2 lines.

DB_CONNECT = mongodb+srv://<url from mongo cloud atlas or local mongo db>
TOKEN_SECRET = devdcores123

4. Run command npm install , this is required to download all packages needed for App to run.
5. Run command npm start , to run App in localhost:3000

Once the App starts running in localhost, Use postman to hit api's.

1. To register the user call below api. This create user in the system.

curl -X POST \
  http://localhost:3000/api/user/register \
  -H 'Content-Type: application/json' \
  -H 'cache-control: no-cache' \
  -d '{
	"name" : "devd.reddy",
	"email" : "devd.reddy@lmi.com",
	"password" : "devdcores123"
}'

2. To login, call below api. This api returns JWT token in the response headers.

curl -X POST \
  http://localhost:3000/api/user/login \
  -H 'Content-Type: application/json' \
  -H 'cache-control: no-cache' \
  -d '{
	"email" : "devd.reddy@lmi.com",
	"password" : "devdcores123"
}'

3. If you create a user with name 'devd.reddy' it will have admin role, else the user will have customer role.
4. Admin role have permission to call write_post api.

curl -X GET \
  http://localhost:3000/api/posts/write_post \
  -H 'Accept: application/json' \
  -H 'auth_token: eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJfaWQiOiI1ZDIyZWQ3ZGIwYzc0ZTViZWFhNWY5NmYiLCJyb2xlIjoiY3VzdG9tZXIiLCJpYXQiOjE1NjI1NzAxMTV9.GJR-RhoC_Jac3ngza6fEpg12UxmNDsBYfjhW04-qA_w' \
  -H 'cache-control: no-cache'

5. Customer role have permission to call read_post api.

curl -X GET \
  http://localhost:3000/api/posts/read_post \
  -H 'Accept: application/json' \
  -H 'auth_token: eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJfaWQiOiI1ZDIyZWQ3ZGIwYzc0ZTViZWFhNWY5NmYiLCJyb2xlIjoiY3VzdG9tZXIiLCJpYXQiOjE1NjI1NzAxMTV9.GJR-RhoC_Jac3ngza6fEpg12UxmNDsBYfjhW04-qA_w' \
  -H 'cache-control: no-cache'