How do I add authentication to my Flask app?

In this tutorial, you will:

1. Use the Flask-Login library for session management.
2. Use the built-in Flask utility for hashing passwords.
3. Add protected pages to the app for logged in users only.
4. Use Flask-SQLAlchemy to create a User model.
5. Create sign-up and login forms for the users to create accounts and log in.

How do you authenticate a Flask on REST API?

The auth workflow works as follows:

1. Client provides email and password, which is sent to the server.
2. Server then verifies that email and password are correct and responds with an auth token.
3. Client stores the token and sends it along with all subsequent requests to the API.
4. Server decodes the token and validates it.

Which of the following can be used to login a user in Flask?

Flask-login requires a User model with the following properties: has an is_authenticated() method that returns True if the user has provided valid credentials. has an is_active() method that returns True if the user’s account is active.

How do I use Google OAuth in Flask?

Create authorization credentials

1. Go to the Credentials page.
2. Click Create Credentials > OAuth Client ID.
3. For the application type, select Web Application.
4. Fill out the form and hit the Create button. We must specify authorized redirect URIs, which are the endpoints to which the OAuth 2.0 server can send responses.

How do I get authentication token?

Getting an Auth Token

1. In the top-right corner of the Console, open the Profile menu ( ) and then click User Settings to view the details.
2. On the Auth Tokens page, click Generate Token.
3. Enter a friendly description for the auth token.
4. Click Generate Token.

What is flask RESTful?

Flask Restful is an extension for Flask that adds support for building REST APIs in Python using Flask as the back-end. It encourages best practices and is very easy to set up. Flask restful is very easy to pick up if you’re already familiar with flask. In flask_restful , the main building block is a resource.

How do you validate JWT tokens in flask?

To do that, change the endpoint to /user and then in the headers section, add a field as x-access-token and add the JWT token in the value and click on Send. You will get the list of users as JSON. So, this is how you can perform authentication with JWT in Flask.

What is WTForms in Python?

WTForms is a flexible forms validation and rendering library for Python web development. It can work with whatever web framework and template engine you choose. There are various community libraries that provide closer integration with popular frameworks.

What is flask OAuth?

Flask-OAuth is an extension to Flask that allows you to interact with remote OAuth enabled applications. Currently it only implements the consumer interface so you cannot expose your own API with OAuth. Flak-OAuth depends on the python-oauth2 module.