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1. #Google oauth rest google drive scope how to#
2. #Google oauth rest google drive scope code#
3. #Google oauth rest google drive scope series#

Create a new app in your Google API console I’m going to use from here on out - replace that with whatever URL ngrok gives you.

So long as ngrok stays running, Google can access your localhost:3000 via your ngrok subdomain.

#Google oauth rest google drive scope code#

Replace all of the default code in config/routes.rb with: After they grant permission, Google redirects them back to your app’s callback URL, and sends along an access token in the HTTP request parameters.

When a user visits that URL, Omniauth redirects them to Google to authorize their account. Omniauth is going to automatically create a route at localhost:3000/auth/google_oauth2 - no need to define it yourself in the routes file. Tells Google that you want to access the Gmail account even if the account holder is away from the browser. It throws a similar error even if you’re trying to connect to, e.g., the Google Calendar API, so leave that email bit in there in addition to whatever Google API you’re connecting to. If you omit the email scope you will receive an insufficientPermission error when you try to authenticate. tells Google which APIs you want to access - in our case, the Gmail API. Tells Omniauth to initialize the google_oauth2 strategy with a Client ID and Client Secret that you will get from the Google Developer Console shortly. If you get an insufficient permissions error along the way, that may be why. Also, when I originally published this post I was requesting a gmail.readonly token. PSA: any time you modify a file in the config/initializers directory, you must restart your Rails server for the changes to take effect. Open a terminal, navigate into your code directory and type: Create a Rails project for Omniauth and the Gmail API Save and refresh your Google API access token.Set up your app on the Google developer portal.Configure Omniauth to perform the Oauth dance with Google.Create a Rails app with the the gems needed to connect to a Google API.In the rest of this post, we’ll talk about how to: Fortunately, there’s an add-on gem (“swappable strategy” in Omniauth speak) written specifically for the the Google API. Now you could write this OAuth process flow by hand, but why reinvent that rather complicated wheel? Omniauth is the de facto standard way to perform OAuth authentication in the Ruby world. Google calls back to your app and sends a code which you can use, along with your credentials, to retrieve an access token with which you can make authenticated API calls.Google asks the user permission to access their GMail data.When a user signs into your app, your app redirects them to Google and passes along the client id/secret.You set up an app within Google’s developer portal and tell it what APIs you’d like to use and Google gives you a Client ID and Client Secret (basically, a username and password).OAuth is what’s happening in the background when you encounter this screen:įrom the developer’s perspective, the OAuth process looks like this: Even if you’ve never written an OAuth authorization before, you’ve undoubtedly used it. To do that, we’ll first need to authenticate with Google via OAuth to access our account data.

#Google oauth rest google drive scope series#

The goal of this series is to write a script that checks our e-mail.

#Google oauth rest google drive scope how to#

Part Two will teach you how to retrieve emails from the Gmail API in Rails and how to send SMS alerts using Twilio. Part One is on how to authenticate your Rails app with a Google API using OAuth - and though our app uses Gmail, the OAuth process is the same for all Google APIs, so all this will work for the Calendar API, the Drive API, etc. This is a two part tutorial on how to build SMS email alerts in Ruby on Rails using the GMail API and Twilio. SMS alerts are great for customized, urgent notifications like this. There are some messages for which I would like to know right now when they show up in my inbox. That said, not all emails are created equal. It just doesn’t make sense for my phone to beep every time someone comments on someone else’s status. I turned off Gmail alerts on my phone a while ago.