Why authentication identifies users in Firebase - See It in Action

Why Authentication Identifies Users

📖 Scenario: You are building a simple app that needs to know who is using it. To do this, you will use Firebase Authentication to identify users by their email and password.

🎯 Goal: Learn how to set up Firebase Authentication to identify users by creating a user account, configuring authentication, and signing in users.

📋 What You'll Learn

Create a user object with email and password

Set a configuration variable for Firebase Authentication

Write a function to sign in the user using Firebase Authentication

Complete the Firebase initialization with authentication enabled

💡 Why This Matters

🌍 Real World

Apps need to know who is using them to provide personalized experiences and secure access.

💼 Career

Understanding authentication is essential for cloud developers and engineers working with user management and security.

1

Create a user object with email and password

Create a dictionary called user with these exact entries: 'email': '[e-mail]' and 'password': 'securePass123'.

Firebase

# Create a dictionary called user with email and password
# Your code here

Need a hint?

Use curly braces to create a dictionary with keys 'email' and 'password'.

2

Set a configuration variable for Firebase Authentication

Create a variable called firebase_config and set it to a dictionary with the key 'apiKey' and value 'your-api-key'.

Firebase

user = {'email': '[e-mail]', 'password': 'securePass123'}
# Create firebase_config dictionary with apiKey
# Your code here

Need a hint?

Use a dictionary with the key 'apiKey' and the value 'your-api-key'.

3

Write a function to sign in the user using Firebase Authentication

Write a function called sign_in_user that takes email and password as parameters and calls firebase_auth.sign_in_with_email_and_password(email, password).

Firebase

user = {'email': '[e-mail]', 'password': 'securePass123'}
firebase_config = {'apiKey': 'your-api-key'}
# Define sign_in_user function to sign in with email and password
# Your code here

Need a hint?

Define a function with two parameters and call the Firebase sign-in method inside it.

4

Complete the Firebase initialization with authentication enabled

Initialize Firebase with firebase_config and create a variable called firebase_auth by calling firebase.auth().

Firebase

user = {'email': '[e-mail]', 'password': 'securePass123'}
firebase_config = {'apiKey': 'your-api-key'}

def sign_in_user(email, password):
    firebase_auth.sign_in_with_email_and_password(email, password)
# Initialize Firebase and create firebase_auth
# Your code here

Need a hint?

Call firebase.initialize_app with the config and assign firebase.auth() to firebase_auth.