bugfix: purge sessions on simplesaml upgrade

Author: matthewhilton

db/upgrade.php

@@ -410,5 +410,11 @@ function xmldb_auth_saml2_upgrade($oldversion) {
         upgrade_plugin_savepoint(true, 2023100300, 'auth', 'saml2');
     }
 
+    if ($oldversion < 2024092001) {
+        // Due to simplesaml library update, we need to purge all existing sessions.
+        $DB->delete_records('auth_saml2_kvstore', ['type' => 'session']);
+        upgrade_plugin_savepoint(true, 2024092001, 'auth', 'saml2');
+    }
+
     return true;
 }

version.php

@@ -24,8 +24,8 @@
 
 defined('MOODLE_INTERNAL') || die();
 
-$plugin->version   = 2023100301;    // The current plugin version (Date: YYYYMMDDXX).
-$plugin->release   = 2023100301;    // Match release exactly to version.
+$plugin->version   = 2025081500;    // The current plugin version (Date: YYYYMMDDXX).
+$plugin->release   = 2025081500;    // Match release exactly to version.
 $plugin->requires  = 2017051509;    // Requires PHP 7, 2017051509 = T12. M3.3
                                     // Strictly we require either Moodle 3.5 OR
                                     // we require Totara 3.3, but the version number