Current File : /home/tjamichg/cursos.tjamich.gob.mx/main/auth/shibboleth/db/shibboleth_upgrade.class.php
<?php
namespace Shibboleth;
use \Database;
/**
* Migrate the datatabase. Adds needed fields by Shibboleth to the User table.
* Upgrade is checked at each user login so there is no need to manually run
* an upgrade.
*
* @license see /license.txt
* @author Laurent Opprecht <laurent@opprecht.info>, Nicolas Rod for the University of Geneva
*/
class ShibbolethUpgrade
{
/**
* Create additional fields required by the shibboleth plugin if those
* are missing.
*/
public static function update()
{
static $done = false;
if ($done)
{
return false;
}
$done = true;
self::create_shibb_unique_id_field_if_missing();
self::create_shibb_persistent_id_field_if_missing();
}
/**
* Creates the 'shibb_unique_id' field in the table 'user' of the main Chamilo database if it doesn't exist yet
*
* @author Nicolas Rod
* @return false|null
*/
public static function create_shibb_unique_id_field_if_missing()
{
$db_name = Database :: get_main_database();
$sql = "SELECT * FROM `$db_name`.`user` LIMIT 1";
$result = Database::query($sql);
$row = mysql_fetch_assoc($result);
$exists = array_key_exists('shibb_unique_id', $row);
if ($exists)
{
return false;
}
//create the 'shibb_unique_id' field
$sql = "ALTER TABLE `$db_name`.`user` ADD `shibb_unique_id` VARCHAR( 60 ) AFTER `auth_source`";
$result_alter = Database::query($sql);
/*
* Index cannot be a UNIQUE index as it may exist users which don't log in through Shibboleth
* and therefore don't have any value for 'shibb_unique_id'
*/
$sql = "ALTER TABLE `$db_name`.`user` ADD INDEX ( `shibb_unique_id` )";
$result_alter = Database::query($sql);
}
public static function create_shibb_persistent_id_field_if_missing()
{
$db_name = Database :: get_main_database();
$sql = "SELECT * FROM $db_name.user LIMIT 1";
$result = Database::query($sql);
$row = mysql_fetch_assoc($result);
$exists = array_key_exists('shibb_persistent_id', $row);
if ($exists)
{
return false;
}
$sql = "ALTER table $db_name.user ADD COLUMN shibb_persistent_id varchar(255) NULL DEFAULT NULL;";
$result = Database::query($sql);
return (bool) $result;
}
}
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