Switched to Google Oauth2 for login.

Copy init.php.in to init.php

Set database username, password

Set $GoogleClientID and $GoogleClientSecret

To get those:

* Navigate to the Google Cloud Console. https://cloud.google.com/console
* Click on the Create Project button on top of the page, enter the following values and then click on the Create button.
* Once the project has been created, open the APIs & auth group (left navigation pannel) and then click on Consent screen and set it up (this is just for what is shown to the user, values not important)
* Open the APIs & auth group in the left pannel (if it's not already open) and click on Credentials.
* Click on the CREATE NEW CLIENT ID button, enter/tick the following values and then click on the Create Client ID button.

  Application type: Web Application
  Authorized Javascript origins: http://crash.replex.org
  Authorized redirect URI: http://crash.replex.org/process_login.php
  (replace with appropriate links. imporant bit is url to process_login.php)

You will now have Client ID and Client secret

htdocs/process_login.php

@@ -3,15 +3,14 @@
 define("SITE_ROOT", realpath(dirname(__file__)));
 require_once SITE_ROOT . "/lib/init.php";
 
-$google_response = GoogleOpenID::getResponse(); 
-$success = $google_response->success();//true or false
-if (!$success)
+
+if (!isset($_GET["code"]) || !GoogleLogin::verifyLogin($_GET["code"]))
 {
     http::redirect("/login_failed.php");
 }
 
-$user_identity = $google_response->identity();//the user's ID
-$user_email = $google_response->email();//the user's email
+$user_identity = GoogleLogin::userID();
+$user_email = GoogleLogin::userEmail();
 
 $user = User::getByLogin($user_identity);