Beschreibung
Simple Sign-In with Google provides Google sign-in with OAuth 2.0 for Android, iOS, Windows, Mac, Universal Windows Platform (UWP) and WebGL apps made with Unity.
Any doubts? Try it in real apps! Need sign-in for other platforms?
Authentication may be a headache, especially for beginners, especially on different platforms. So I decided to take a fresh look of current possibilities that Google and Unity provide at the moment. And after a week of research I said "Bingo!". My asset is an extremely simple solution with about 200 lines of code only. Lightweight, tiny and clean, with no massive plugins and 3rd party libs!
Benefits
Cross-platform user auth for cross-platform games and apps
No plugins, not 3rd party libs, no dependencies
No impact to build size
Get access tokens for integration with other Google services
More security for client-server apps (get access tokens on a client, get all user data on a server to avoid tampering)
JSON Web Tokens (JWT) validation
SFSafariViewController is used on iOS (required by App Store review)
Deep linking for Windows (UNITY_STANDALONE_WIN)
Setup steps
Please visit our GitHub for setup instructions.
Generic workflow (for platforms that support deep linking)
Your app navigates users to Google using a default web browser
Users perform sign-in to their Google account
Google redirects users to your app (using deep linking when possible) and provides an authorization code in URI parameters
The app is activated and obtains an authorization code
The app exchanges the code for an access token
The app requests user data with the access token (ID, name, email and other data according access scope defined)
Loopback flow for Editor and Windows (optional)
Google redirects users to http://localhost:PORT/
The app listens to localhost using HttpListener
Middlware flow for WebGL
Redirect to Authorization Middleware is used to temporary save an auth code
The app obtains the code from Authorization Middleware with a POST request
Known issues
Please visit our GitHub for known issues.
Support
GitHub - Wiki
GitHub - FAQ & Troubleshooting
GitHub - Bugs & requests
Discord - Questions, live chat with developers
Unity Forums - Discussion
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