simple-auth-module

A versatile module for seamless MongoDB database connections, secure user registration/authentication with bcrypt, and JWT token management.

Features

Database Connection:
- Establishes a connection to a MongoDB database using the provided connection string.
User Registration:
- registerUser(userData: IUser): Promise<IUserModel>
  - Registers a new user in the authentication system.
  - Parameters:
    - userData: An object containing user data with the following properties:
      - username (string): The username of the user.
      - email (string): The email address of the user.
      - password (string): The user's password.
User Authentication:
- loginUser(username: string, password: string, secretKey: string): Promise<string | null>
  - Authenticates a user by checking the provided username and password against stored credentials.
  - Generates and returns a JWT token upon successful authentication.
  - Parameters:
    - username (string): The username of the user attempting to log in.
    - password (string): The password entered by the user.
    - secretKey (string): A secret key used for JWT token generation and verification.
- verifyToken(token: string, secretKey: string): { userId: string; username: string; email: string } | null
  - Verifies a JWT token's validity.
  - Returns the decoded token payload if valid; otherwise, returns null.
  - Parameters:
    - token (string): The JWT token to be verified.
    - secretKey (string): The secret key used for JWT token verification.

npm install simple-auth-module