JWT AUTHENTICATION AND AUTHORIZATION

Run Postgres on Docker

$ docker run --name postgres -e POSTGRES_PASSWORD=password -d -p 5432:5432 postgres:9.6

Create Database in Postgres

$ docker exec -it postgres

Run below commands inside container

# su postgres

$ psql

#postgres= CREATE DATABASE userdb;

RUN Go Server

$ go install

$ API_PORT=8090 go run main.go

API Endpoint

POST http://localhost:8090/signup

Request Body:

{
	"name": "test",
	"email": "test@gmail.com",
	"password":"p@ssw0rd",
	"role": "admin" // role can be "admin" or "user"
}

Response Body:

{
  "ID": 2,
  "CreatedAt": "2022-01-23T18:54:36.929113+05:30",
  "UpdatedAt": "2022-01-23T18:54:36.929113+05:30",
  "DeletedAt": null,
  "name": "test",
  "email": "test@gmail.com",
  "password": "$2a$14$iBfRa81RQclHCndi274wv.aYEtEALwkOAMCITJ0aY2QMMiJ5mXN06",
  "role": "admin"
}

POST http://localhost:8090/signin

Request Body:

{
	"email": "test@gmail.com",
	"password":"p@ssw0rd"
}

Response Body:

{
  "role": "admin",
  "email": "test@gmail.com",
  "token": "eyJhbGciOiJIUzI1NiIsImtpZCI6ImE1YTE5Njk0LTYzMjEtNDRmMy1iY2FlLTA1M2U4N2E4NjczZCIsInR5cCI6IkpXVCJ9.eyJhdXRob3JpemVkIjp0cnVlLCJlbWFpbCI6InRlc3QyQGdtYWlsLmNvbSIsImV4cCI6MTY0NDY2NTI5NCwicm9sZSI6ImFkbWluIn0.15xiOg2s0ihj46hukOB9-Zod2Hf9DIqFScjHAXc3ARI"
}

GET http://localhost:8090/isauth

Set Headers Token eyJhbGciOiJIUzI1NiIsImtpZCI6ImE1YTE5Njk0LTYzMjEtNDRmMy1iY2FlLTA1M2U4N2E4NjczZCIsInR5cCI6IkpXVCJ9.eyJhdXRob3JpemVkIjp0cnVlLCJlbWFpbCI6InRlc3QyQGdtYWlsLmNvbSIsImV4cCI6MTY0NDY2NTI5NCwicm9sZSI6ImFkbWluIn0.15xiOg2s0ihj46hukOB9-Zod2Hf9DIqFScjHAXc3ARI

Response Body:

{
  "msg": "Welcome, Admin."
}

GET http://localhost:8090/.well-known/jwks.json

Response Body:

{
	"keys": [
		{
			"use": "sig",
			"kty": "oct",
			"kid": "a5a19694-6321-44f3-bcae-053e87a8673d",
			"alg": "HS256",
			"k": "dGhpc2lzbXlzZWNyZXRrZXk"
		}
	]
}