![]() Once a user comes to your application and presses the Google Login button, you can send them to Google. Luckily, you can register your application as a client to Google. To do that, Google needs to know about your application. You’re about to write a third-party application, and it will let a user use a Google Login button to log in. ![]() To unpack this a bit, let’s look at how this applies to the application you’re about to build. This usually involves obtaining consent from a user. These specifications define how a third-party application can obtain information from another service. OIDC is built on top of OAuth 2, adding a few new ideas and concepts. There are two very popular and important specifications called OAuth 2 and OpenID Connect (OIDC). ![]() Remove ads How Applications Use Google Login You don’t have to store any passwords, and Google handles all the security. At that point, you can effectively log them into your application. Google then tells your application about that user. Your application waits for the user to go through authentication. Your users have to remember yet another username and password.īy using Google login for your users, you push all that responsibility to them.You have to protect against malicious login attempts.You have to implement any account-related functionality:.You have to securely manage the passwords.However, there are a few downsides to that solution: Your application would store that information and ask for it when needed. The traditional solution is to use a unique username and a secret password. In other words, you’ll need to authenticate users and identify them in some unique way. In any case, you’ll need to know who’s interacting with your application. Or perhaps you want to provide features to only certain users. You may want individual users to have profiles. You can click the box below to get the code for the application you’ll make in this article:ĭownload Sample Project: Click here to download the code for the Flask application with Google login you’ll build in this article. Better understand OAuth 2 and OpenID Connect (OIDC).Use Flask-Login for user session management in a Flask application.Create client credentials to interact with Google.Create a Flask web application that lets users log in with Google.It would also help to know a bit about web frameworks and HTTP requests, but that’s not strictly necessary.īy the end of this article, you’ll be able to: This article will be more straightforward if you already understand the basics of Python. It’s going to be safer and simpler than managing the traditional username and password combinations. There are tons of benefits with this method of user management. ![]() Your application will allow a user to log in using their Google identity instead of creating a new account. In this article, you’ll work through the creation of a Flask web application. All these options allow users to utilize existing accounts to use a new service. Some sites also have more options like Facebook Login or GitHub Login. You’ve probably seen the option for Google Login on various websites. Watch it together with the written tutorial to deepen your understanding: Using Google Login With Flask Watch Now This tutorial has a related video course created by the Real Python team.
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