User Authentication Functionality

This function attempts to log in a user with the given username and password. It assumes that there is a user loader callback that loads the user object from the database.

Technology Stack : Flask-Login

Code Type : Flask-Login Function

Code Difficulty : Intermediate

                
                    
from flask_login import login_user, logout_user, current_user, login_required

def authenticate_user(username, password):
    # This function attempts to log in a user with the given username and password.
    # It assumes that there is a user_loader callback that loads the user object from the database.

    # Dummy function to simulate user authentication
    def authenticate_user_db(username, password):
        # This function should interact with the database to check if the user exists
        # and the password is correct. Here it's just a placeholder.
        return username == "admin" and password == "admin"

    if authenticate_user_db(username, password):
        user = current_user  # This would be replaced by actual user object loading logic
        login_user(user)
        return True
    else:
        return False