Ever signed in to a new app using your Facebook or Google account?
That seamless experience is powered by OAuth 2.0. It's an industry-standard authentication protocol that lets users grant access to their information on one platform (like Facebook) to another website or app (like a recipe sharing platform), without revealing their passwords.
Why Should You Care About OAuth 2.0?
As a website owner, using OAuth 2.0 offers a win-win situation for you and your users:
Enhanced Security
Say goodbye to the hassle (and security risk) of storing user passwords. OAuth 2.0 keeps your user data secure by eliminating the need for them to create yet another login on your site.
Streamlined Login Process
Remembering passwords can be a pain. OAuth 2.0 allows users to sign in to your website with a familiar platform they already trust, making the process faster and smoother.
Boosted User Engagement
By offering a convenient login option, you're removing a barrier to entry for potential users. This can lead to increased sign-ups and a more engaged user base.
How Does OAuth 2.0 Work?
Here's a simplified breakdown:
User Initiates Login
The user clicks on a button like "Login with Facebook" on your website.
Redirection to Authorization Server
They're then redirected to Facebook's secure authorization server.
Granting Permission
Facebook displays a permission screen asking the user if they want to grant your website access to specific information (e.g., name, email).
Authorization Code Exchange
Once the user approves, Facebook sends a special code back to your website.
Obtaining Access Tokens
Your website then exchanges this code with Facebook's authorization server for authorization tokens. These tokens act as secure keys, allowing your website to access the user's approved information on Facebook.
The Power of Authorization Tokens
These authorization tokens are like magic keys. They grant your website temporary access to a user's information on another platform, based on their permission. Importantly, these tokens don't contain the user's actual password, so there's no security risk involved. Once the token expires, your website needs to go through the process again to obtain a new one.
Is OAuth 2.0 Right for You?
If you're looking to streamline your website's login process and offer a secure, convenient way for users to sign in, then OAuth 2.0 is a perfect solution. With its growing popularity, major platforms like Google, Facebook, Microsoft and Twitter all offer OAuth 2.0 integration, making it easier than ever to implement.
Ready to learn more about OAuth 2.0? Enrol now to this course to delve deeper into this powerful authentication protocol and its use of authorization tokens. By understanding OAuth 2.0, you can make informed decisions about how you interact with websites and protect your online security.
If you are a web developer and want to secure your clients’ websites or your own, this course is what you need.
- What is OAuth?
- The problem and solution
- OAuth default flow and other flows
- Authorization code flow and implicit flow
- Grant type client credentials and resource owner
- OAuth practical videos
This course was designed for total beginners and there is no particular knowledge requirement.
Full lifetime access 
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Certificate of
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