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Your name google your password 1 2 3 4 5 no quirky no help of admin No what's up guys what's happening you know this guy sure he's stuck low she beats me every day do you need the ID Thanks did I get it now yeah go ahead right see you tomorrow we all know that passwords can be a pain every website asks for one users have a ton of them they can't remember or even worse some users have one or two passwords we used across various websites and apps which could be a big security risk this is not fun for users or developers my name is Agee and there's a handy and simple solutions to this issue called federated login protected logging means that user authenticates using a third-party identity usually without reentering credentials or profile information google sign name is google's take on federated logging and is designed to be as easy as possible for you to implement and for users to sign in let's see how it works here's a sign-in button when the user steps on it I sign in window appears the user chooses an account and then sign in if he is not signed in already the user allow access to profile information now the pop-up window closes and the user is sending notice that the current best practice for asking permissions is incremental authorization this means that rather than signing in and requesting user permissions at the same time you should first sign your user in and request for permissions only when they are needed check out my authorization video for further details on this now let's take a look at how to implement Google sign-in in just a few steps first head over to Google developers console create a project at the credential configure consent screen and create a client ID in HTML add the client ID to the head section using meta tag then load a phas this is the core of Google JavaScript library when API J's is loaded call G API load to import us to module to enable Google sign-in then call the API also in it to initialize once these are done you are ready the next step is to render a sign-in button the most generic option to do this is to use a custom button put an HTML tag and use regular CSS to design the button don't forget to read our guidelines for designing the button you also find the button assets in the same dock add an event listener and inbox sign in when the button is pressed the sign name function returns a Google user object use it to get basic profile information such as user name email and the profile image finally users can sign out simply by calling sign out review our sample code here who are more detailed walkthrough ok this was the basis of authentication using Google sign-in but what do you do if there's a server involved or how would you access the Google APs on behalf of the user I will talk about these workflows in the following videos in this series thank you for stopping by and stay tuned

Google Sign-In is a library that helps you implementing authentication/authorization using Google accounts to your app. In this video, we'll walk you through the concept of Google Sign-In and show you how to implement authentication on server less apps. Google Sign-In for Websites: https://goo.gl/5MiKLZ Google Developer Console: https://goo.gl/ppwHMi Design Guidelines: https://goo.gl/BrLYKy Google Sign-In Sample Code: https://goo.gl/GP8lht Watch more videos about Google Sign-in here: https://goo.gl/8xKPSV Subscribe to the Chrome Developers channel at http://goo.gl/LLLNvf

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