FBoauth

<p>So - another request come from a client - to add a Facebook login button for a Drupal website.</p><p>As for a start it might sound like easy to handle a task - I spent about a week to figure out the best possible solution for this.&nbsp;</p><p>At first we must understand what does - <strong>Facebook login button stands for</strong>?</p><p><em>Is it for user mapping - is it getting some fields from users Facebook's profile?…