Could the Authorization Server return the code directly to the client instead of using a redirect in OAuth2 Autorization code flow?

For Authorization code grant flow, RFC says the authorization server will send back the code to the redirect_uri specified.
I believe it means the browser will recieve a URL like http://webapp/?code=xyz
Now, the code in the browser will se… Continue reading Could the Authorization Server return the code directly to the client instead of using a redirect in OAuth2 Autorization code flow?