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Showing posts from June, 2013

Local Testing OAuth Social Signin

On some recent Grails projects, I have been looking at using the Twitter and Facebook OAuth signin process.

This process allows you to authenticate users based on their Twitter/Facebook logins, without the need for the user to expose their passwords to your site.

When you create your 'application' within Twitter or Facebook, it is necessary to define the URL where the application can be accessed. Twitter and Facebook will only redirect to this URL during the authentication process.

I have tested running some applications on Heroku or Appfog, with Twitter and Facebook happy to redirect to the appropriate URLs with successful authentication.

However, when testing locally, I follow these steps to work through the authentication process.

1. App Context
Ensure that the Grails app context is '/' - as the application is generally deployed this way on Heroku/Appfog:

Config.groovy grails.app.context = '/'
2. Port Binding:
While the local application will generally run o…