Single file SSO client for Discourse in PHP (w/ PostgreSQL and logout)

Usage how to on Discourse Meta:

• MediaWiki
• MantisBT 1.2

Related projects:

• MantisDiscourseSSO plugin repository

Adding a logout link

Here's a sample thing to put in LocalSettings.php:

# Logout for authentication
define('SSO_LOGOUT_TOKEN', hash('sha512', $SSO_STATUS["nonce"]));
$wgAuthRemoteuserUserUrls = [
    'logout' => function( $metadata ) {
        return '/discourse-sso.php?logout=' . SSO_LOGOUT_TOKEN;
    }
];