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<?php
//from version 0.1 to 0.2
//ATTENTION
//Upgrade from ownCloud 3 (LDAP backend 0.1) to ownCloud 4.5 (LDAP backend 0.3) is not supported!!
//You must do upgrade to ownCloud 4.0 first!
//The upgrade stuff in the section from 0.1 to 0.2 is just to minimize the bad effects.
//settings
$pw = OCP\Config::getAppValue('user_ldap', 'ldap_password');
if(!is_null($pw)) {
$pwEnc = base64_encode($pw);
OCP\Config::setAppValue('user_ldap', 'ldap_agent_password', $pwEnc);
OC_Appconfig::deleteKey('user_ldap', 'ldap_password');
}
//detect if we can switch on naming guidelines. We won't do it on conflicts.
//it's a bit spaghetti, but hey.
$state = OCP\Config::getSystemValue('ldapIgnoreNamingRules', 'unset');
if($state == 'unset') {
OCP\Config::setSystemValue('ldapIgnoreNamingRules', false);
}
//from version 0.2 to 0.3 (0.2.0.x dev version)
$objects = array('user', 'group');
$connector = new \OCA\user_ldap\lib\Connection();
$userBE = new \OCA\user_ldap\USER_LDAP();
$userBE->setConnector($connector);
$groupBE = new \OCA\user_ldap\GROUP_LDAP();
$groupBE->setConnector($connector);
foreach($objects as $object) {
$fetchDNSql = '
SELECT `ldap_dn`, `owncloud_name`, `directory_uuid`
FROM `*PREFIX*ldap_'.$object.'_mapping`';
$updateSql = '
UPDATE `*PREFIX*ldap_'.$object.'_mapping`
SET `ldap_DN` = ?, `directory_uuid` = ?
WHERE `ldap_dn` = ?';
$query = OCP\DB::prepare($fetchDNSql);
$res = $query->execute();
$DNs = $res->fetchAll();
$updateQuery = OCP\DB::prepare($updateSql);
foreach($DNs as $dn) {
$newDN = escapeDN(mb_strtolower($dn['ldap_dn'], 'UTF-8'));
if(!empty($dn['directory_uuid'])) {
$uuid = $dn['directory_uuid'];
} elseif($object == 'user') {
$uuid = $userBE->getUUID($newDN);
//fix home folder to avoid new ones depending on the configuration
$userBE->getHome($dn['owncloud_name']);
} else {
$uuid = $groupBE->getUUID($newDN);
}
try {
$updateQuery->execute(array($newDN, $uuid, $dn['ldap_dn']));
} catch(Exception $e) {
\OCP\Util::writeLog('user_ldap', 'Could not update '.$object.' '.$dn['ldap_dn'].' in the mappings table. ', \OCP\Util::WARN);
}
}
}
function escapeDN($dn) {
$aDN = ldap_explode_dn($dn, false);
unset($aDN['count']);
foreach($aDN as $key => $part) {
$value = substr($part, strpos($part, '=')+1);
$escapedValue = strtr($value, Array(','=>'\2c', '='=>'\3d', '+'=>'\2b',
'<'=>'\3c', '>'=>'\3e', ';'=>'\3b', '\\'=>'\5c',
'"'=>'\22', '#'=>'\23'));
$part = str_replace($part, $value, $escapedValue);
}
$dn = implode(',', $aDN);
return $dn;
}
// SUPPORTED UPGRADE FROM Version 0.3 (ownCloud 4.5) to 0.4 (ownCloud 5)
if(!isset($connector)) {
$connector = new \OCA\user_ldap\lib\Connection();
}
//it is required, that connections do have ldap_configuration_active setting stored in the database
$connector->getConfiguration();
$connector->saveConfiguration();
// we don't save it anymore, was a well-meant bad idea. Clean up database.
$query = OC_DB::prepare('DELETE FROM `*PREFIX*preferences` WHERE `appid` = ? AND `configkey` = ?');
$query->execute(array('user_ldap' , 'homedir'));
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