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<title>[14486] sites/trunk/common/includes/wporg-sso: SSO: Improve the logout process for non-WordPress domains (Such as BuddyPress and WordCamp).</title>
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<dt style="float: left; width: 6em; font-weight: bold">Revision</dt> <dd><a style="font-weight: bold" href="http://meta.trac.wordpress.org/changeset/14486">14486</a><script type="application/ld+json">{"@context":"http://schema.org","@type":"EmailMessage","description":"Review this Commit","action":{"@type":"ViewAction","url":"http://meta.trac.wordpress.org/changeset/14486","name":"Review Commit"}}</script></dd>
<dt style="float: left; width: 6em; font-weight: bold">Author</dt> <dd>dd32</dd>
<dt style="float: left; width: 6em; font-weight: bold">Date</dt> <dd>2025-07-16 02:29:30 +0000 (Wed, 16 Jul 2025)</dd>
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<pre style='padding-left: 1em; margin: 2em 0; border-left: 2px solid #ccc; line-height: 1.25; font-size: 105%; font-family: sans-serif'>SSO: Improve the logout process for non-WordPress domains (Such as BuddyPress and WordCamp).
This resolves some edge-cases where if your cookies on WordPress.org & WordCamp.org became out-of-sync using two different sessions (or you lost your wporg cookies, but retained wcorg) it would become impossible to logout properly.</pre>
<h3>Modified Paths</h3>
<ul>
<li><a href="#sitestrunkcommonincludeswporgssoclasswporgssophp">sites/trunk/common/includes/wporg-sso/class-wporg-sso.php</a></li>
<li><a href="#sitestrunkcommonincludeswporgssowppluginphp">sites/trunk/common/includes/wporg-sso/wp-plugin.php</a></li>
</ul>
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<h3>Diff</h3>
<a id="sitestrunkcommonincludeswporgssoclasswporgssophp"></a>
<div class="modfile"><h4 style="background-color: #eee; color: inherit; margin: 1em 0; padding: 1.3em; font-size: 115%">Modified: sites/trunk/common/includes/wporg-sso/class-wporg-sso.php</h4>
<pre class="diff"><span>
<span class="info" style="display: block; padding: 0 10px; color: #888">--- sites/trunk/common/includes/wporg-sso/class-wporg-sso.php 2025-07-14 21:00:45 UTC (rev 14485)
+++ sites/trunk/common/includes/wporg-sso/class-wporg-sso.php 2025-07-16 02:29:30 UTC (rev 14486)
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -27,10 +27,11 @@
</span><span class="cx" style="display: block; padding: 0 10px"> 'wordcamp.org'
</span><span class="cx" style="display: block; padding: 0 10px"> ];
</span><span class="cx" style="display: block; padding: 0 10px">
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">- public $sso_host = 'login.wordpress.org';
- public $sso_host_url = '';
- public $sso_login_url = '';
- public $sso_signup_url = '';
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+ public $sso_host = 'login.wordpress.org';
+ public $sso_cookie_host = '.wordpress.org';
+ public $sso_host_url = '';
+ public $sso_login_url = '';
+ public $sso_signup_url = '';
</ins><span class="cx" style="display: block; padding: 0 10px">
</span><span class="cx" style="display: block; padding: 0 10px"> public $host = '';
</span><span class="cx" style="display: block; padding: 0 10px"> public $script = '';
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -50,6 +51,8 @@
</span><span class="cx" style="display: block; padding: 0 10px"> if ( parse_url( home_url(), PHP_URL_PORT ) ) {
</span><span class="cx" style="display: block; padding: 0 10px"> $this->sso_host .= ':' . parse_url( home_url(), PHP_URL_PORT );
</span><span class="cx" style="display: block; padding: 0 10px"> }
</span><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+
+ $this->sso_cookie_host = defined( 'COOKIE_DOMAIN' ) ? COOKIE_DOMAIN : '';
</ins><span class="cx" style="display: block; padding: 0 10px"> } else {
</span><span class="cx" style="display: block; padding: 0 10px"> $this->sso_host_url = 'https://' . $this->sso_host;
</span><span class="cx" style="display: block; padding: 0 10px"> }
</span></span></pre></div>
<a id="sitestrunkcommonincludeswporgssowppluginphp"></a>
<div class="modfile"><h4 style="background-color: #eee; color: inherit; margin: 1em 0; padding: 1.3em; font-size: 115%">Modified: sites/trunk/common/includes/wporg-sso/wp-plugin.php</h4>
<pre class="diff"><span>
<span class="info" style="display: block; padding: 0 10px; color: #888">--- sites/trunk/common/includes/wporg-sso/wp-plugin.php 2025-07-14 21:00:45 UTC (rev 14485)
+++ sites/trunk/common/includes/wporg-sso/wp-plugin.php 2025-07-16 02:29:30 UTC (rev 14486)
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -581,6 +581,14 @@
</span><span class="cx" style="display: block; padding: 0 10px"> $this->sso_host_url . '/wp-login.php'
</span><span class="cx" style="display: block; padding: 0 10px"> );
</span><span class="cx" style="display: block; padding: 0 10px">
</span><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+ /*
+ * If we're not on the SSO cookie host, clear the cookies locally before redirecting.
+ * Upon redirect back, these previous cookies should be invalid as the session is destroyed.
+ */
+ if ( $this->sso_cookie_host !== COOKIE_DOMAIN ) {
+ wp_clear_auth_cookie();
+ }
+
</ins><span class="cx" style="display: block; padding: 0 10px"> $this->_safe_redirect( $remote_logout_url );
</span><span class="cx" style="display: block; padding: 0 10px"> exit;
</span><span class="cx" style="display: block; padding: 0 10px"> }
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -685,6 +693,9 @@
</span><span class="cx" style="display: block; padding: 0 10px">
</span><span class="cx" style="display: block; padding: 0 10px"> /**
</span><span class="cx" style="display: block; padding: 0 10px"> * Log out a user and destroy the session.
</span><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+ *
+ * NOTE: This handles `action=remote-logout` requests. The remote-logout query var
+ * is not actually used, but is present as a legacy of previous implementations.
</ins><span class="cx" style="display: block; padding: 0 10px"> */
</span><span class="cx" style="display: block; padding: 0 10px"> protected function _maybe_perform_remote_logout() {
</span><span class="cx" style="display: block; padding: 0 10px"> if ( empty( $_GET['sso_logout'] ) || ! $this->is_sso_host() ) {
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -698,7 +709,17 @@
</span><span class="cx" style="display: block; padding: 0 10px"> return;
</span><span class="cx" style="display: block; padding: 0 10px"> }
</span><span class="cx" style="display: block; padding: 0 10px">
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">- // Perform the logout. This will destroy the session, logging the user out of all sites.
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+ // If the session noted in the remote-logout is different from current, destroy that session first.
+ $current_token = wp_get_session_token();
+ if (
+ $remote_token['session_token'] &&
+ wp_get_session_token() !== $remote_token['session_token']
+ ) {
+ $manager = WP_Session_Tokens::get_instance( $remote_token['user']->ID );
+ $manager->destroy( $remote_token['session_token'] );
+ }
+
+ // Perform the logout. This will destroy the *current* session, logging the user out of all sites.
</ins><span class="cx" style="display: block; padding: 0 10px"> wp_logout();
</span><span class="cx" style="display: block; padding: 0 10px">
</span><span class="cx" style="display: block; padding: 0 10px"> // Default to the logout confirmation screen, or back to the source site if possible.
</span></span></pre>
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