Implement user authentication logic (register, login, JWT) #62

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Harshika1214 wants to merge 1 commit into Sambhav242005:main from Harshika1214:feature/auth-user-logic

Harshika1214 commented Dec 9, 2025

This PR implements the “User Authentication Logic” required for the backend.
The following functionality has been added:

User Registration

Accepts username, email, and password
Validates fields
Hashes passwords using PBKDF2
Stores user in database

User Login

Validates email & password
Verifies hashed password
Returns success response

JWT Authentication

Generates secure JWT token using project SECRET_KEY
Includes user_id and expiry
Used for future protected routes

Blueprint Integration

Auth routes served under /api/auth
Works with existing modular routing structure

Testing

Successfully tested using Thunder Client
/register returns User registered!
/login returns valid JWT token

This completes the backend user authentication logic.


          Implement user authentication logic (register, login, JWT)

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