This guide details the logic for implementing a secure, session-based user login system using...
This guide details the logic for implementing a secure, session-based user login system using Node.js, Mongoose and Bcrypt.
1. Database Lookup
When a user submits their credentials, the system queries MongoDB to locate the user profile.
Method: findOne({ username }) via Mongoose.
Security Rule: If the username does not exist, halt execution immediately. Return a 401 Unauthorized status.
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