title: Google oauth subdomains
body: <p>I have implemented Google oAuth on the site (example.com). Everything works fine except auth from  subdomains on my site(I have a thousands of subdomains). When the user tries to authorize via subdomain, for example </p>
  
  <pre><code>fr.example.com
  product1.example.com
  product2.de.example.com
  </code></pre>
  
  <p>I receive an error from Google - </p>
  
  <pre><code>The redirect URI in the request did not match a registered redirect URI
  </code></pre>
  
  <p>How it could be solved ?</p>