function encrypt($plain_text, $iv_len = 16)
{
$plain_text .= "";
$n = strlen($plain_text);
if ($n % 16) {
$plain_text .= str_repeat("", 16 - $n % 16);
}
$i = 0;
$enc_text = cryptography::get_rnd_iv($iv_len);
$iv = substr($this->password ^ $enc_text, 0, 512);
while ($i < $n) {
$block = substr($plain_text, $i, 16) ^ pack('H*', sha1($iv));
$enc_text .= $block;
$iv = substr($block . $iv, 0, 512) ^ $this->password;
$i += 16;
}
return base64_encode($enc_text);
}
function restore()
{
// Get the ID
$cid = JRequest::getVar('cid', array(), 'default', 'array');
$id = JRequest::getInt('id');
if (empty($id)) {
if (is_array($cid) && !empty($cid)) {
$id = $cid[0];
} else {
$id = -1;
}
}
// Check that we have a valid-looking ID
if ($id <= 0) {
$this->setRedirect(JURI::base() . 'index.php?option=com_joomlapack&view=buadmin', JText::_('STATS_ERROR_INVALIDID'), 'error');
parent::display();
return;
}
// Get the backup record
$model =& $this->getModel('statistics');
$model->setId($id);
$record =& $model->getStatistic();
if (!is_object($record)) {
// The ID does not correspond to a backup record
$this->setRedirect(JURI::base() . 'index.php?option=com_joomlapack&view=buadmin', JText::_('STATS_ERROR_INVALIDID'), 'error');
parent::display();
return;
}
// Check against valid ID's and that the file exists
$validIDs =& $model->getValidLookingBackupFiles();
jimport('joomla.filesystem.file');
$isValid = in_array($id, $validIDs) && JFile::exists($record->absolute_path);
if (!$isValid) {
$this->setRedirect(JURI::base() . 'index.php?option=com_joomlapack&view=buadmin', JText::_('STATS_ERROR_INVALIDID'), 'error');
parent::display();
return;
}
// Decide what to do, based on backup type
switch ($record->type) {
case 'full':
// Full backup; deploy Kickstart and backup file
// Read kickstart.php from the archive
$filename = JPATH_COMPONENT_ADMINISTRATOR . DS . 'assets' . DS . 'scripts' . DS . 'kickstart.jpa';
$ret =& $this->_extract($filename);
if ($ret === false) {
$this->setRedirect(JURI::base() . 'index.php?option=com_joomlapack&view=buadmin', JText::_('STATS_ERROR_RESTOREREADJPA'), 'error');
parent::display();
return;
}
// Ask for a fresh password
$bumodel =& $this->getModel('buadmin');
$password = $bumodel->getRandomPassword();
// Append password information to data
$append = '<?php define(\'PASSWORD\', \'' . $password . '\'); ?>';
$ret['data'] = $append . "\n" . $ret['data'];
// Write kickstart.php
$filename = JPATH_SITE . DS . 'kickstart.php';
if (!JFile::write($filename, $ret['data'])) {
$this->setRedirect(JURI::base() . 'index.php?option=com_joomlapack&view=buadmin', JText::_('STATS_ERROR_RESTOREDEPLOY'), 'error');
parent::display();
return;
}
// Copy the archive; if we failed, remove kickstart as well
$archiveParts = $model->getAllFilenames($id);
if (!empty($archiveParts)) {
foreach ($archiveParts as $from) {
$to = JPATH_SITE . DS . basename($from);
if (!JFile::copy($from, $to)) {
JFile::delete(JPATH_SITE . DS . 'kickstart.php');
$this->setRedirect(JURI::base() . 'index.php?option=com_joomlapack&view=buadmin', JText::_('STATS_ERROR_RESTOREBACKUPDEPLOY'), 'error');
parent::display();
return;
}
}
}
// Set the linktarget
$URIbase = JURI::base();
$adminPos = strrpos($URIbase, '/administrator');
$URIbase = substr($URIbase, 0, $adminPos);
$linktarget = $URIbase . '/kickstart.php';
JRequest::setVar('linktarget', $linktarget);
break;
case 'dbonly':
// Database only; deploy DataRestore and point to backup file
// Read datarestore.php from the archive
$filename = JPATH_COMPONENT_ADMINISTRATOR . DS . 'assets' . DS . 'scripts' . DS . 'datarestore.jpa';
$ret =& $this->_extract($filename);
if ($ret === false) {
$this->setRedirect(JURI::base() . 'index.php?option=com_joomlapack&view=buadmin', JText::_('STATS_ERROR_RESTOREREADJPA'), 'error');
parent::display();
return;
}
// Construct the databases.ini-style array for core database
$conf =& JFactory::getConfig();
$databaseArray = array('joomla' => array('host' => $conf->getValue('config.host'), 'username' => $conf->getValue('config.user'), 'password' => $conf->getValue('config.password'), 'database' => $conf->getValue('config.db'), 'prefix' => $conf->getValue('config.dbprefix'), 'dumpFile' => $record->absolute_path));
// Ask for a fresh password
$bumodel =& $this->getModel('buadmin');
$password = $bumodel->getRandomPassword();
// Append password information and encrypted array to data
jpimport('misc.cryptography');
$serialized = serialize($databaseArray);
$encryption = new cryptography();
$encryption->set_key($password);
$encrypted = $encryption->encrypt($serialized);
$md5 = md5($password);
$append = "<?php\ndefine('passwordHash', '{$md5}');\ndefine('encrypted', '{$encrypted}');\n?>\n";
$ret['data'] = $append . $ret['data'];
// Write datarestore.php
$filename = JPATH_SITE . DS . 'datarestore.php';
if (!JFile::write($filename, $ret['data'])) {
$this->setRedirect(JURI::base() . 'index.php?option=com_joomlapack&view=buadmin', JText::_('STATS_ERROR_RESTOREDEPLOY'), 'error');
parent::display();
return;
}
// Set the linktarget
$URIbase = JURI::base();
$adminPos = strrpos($URIbase, '/administrator');
$URIbase = substr($URIbase, 0, $adminPos);
$linktarget = $URIbase . '/datarestore.php';
JRequest::setVar('linktarget', $linktarget);
break;
case 'extradbonly':
// Multiple databases; delegate execution to the multirestore view
$this->setRedirect(JURI::base() . 'index.php?option=com_joomlapack&view=multirestore&id=' . $id);
parent::display();
return;
break;
default:
// Fail for unknown backup types
$this->setRedirect(JURI::base() . 'index.php?option=com_joomlapack&view=buadmin', JText::_('STATS_ERROR_RESTOREUNKNOWNTYPE'), 'error');
parent::display();
return;
break;
}
parent::display();
}
/**
* We are ready to start the restoration. Generates a password protected datarestore.php
* and places it on the site's root. Then presents the user with the information page.
*/
function ready()
{
$filename = JPATH_COMPONENT_ADMINISTRATOR . DS . 'assets' . DS . 'scripts' . DS . 'datarestore.jpa';
$ret =& $this->_extract($filename);
if ($ret === false) {
$this->setRedirect(JURI::base() . 'index.php?option=com_joomlapack&view=buadmin', JText::_('STATS_ERROR_RESTOREREADJPA'), 'error');
parent::display();
return;
}
// Read databases.ini from the disk and make it into an array
$configuration =& JoomlapackModelRegistry::getInstance();
jpimport('helpers.utils', true);
$originalDBINI = JoomlapackHelperUtils::parse_ini_file($configuration->getTemporaryDirectory() . DS . 'databases.ini', true);
$databaseArray = array();
$counter = 0;
foreach ($originalDBINI as $dbDef) {
$counter++;
$newEntry = array('host' => $dbDef['dbhost'], 'username' => $dbDef['dbuser'], 'password' => $dbDef['dbpass'], 'database' => $dbDef['dbname'], 'prefix' => $dbDef['prefix'], 'dumpFile' => $configuration->getTemporaryDirectory() . DS . $dbDef['sqlfile']);
$databaseArray['db' . $counter] = $newEntry;
}
// Ask for a fresh password
$bumodel =& $this->getModel('buadmin');
$password = $bumodel->getRandomPassword();
// Append password information and encrypted array to data
jpimport('misc.cryptography');
$serialized = serialize($databaseArray);
$encryption = new cryptography();
$encryption->set_key($password);
$encrypted = $encryption->encrypt($serialized);
$md5 = md5($password);
$append = "<?php\ndefine('passwordHash', '{$md5}');\ndefine('encrypted', '{$encrypted}');\n?>\n";
$ret['data'] = $append . $ret['data'];
// Write datarestore.php
$filename = JPATH_SITE . DS . 'datarestore.php';
if (!JFile::write($filename, $ret['data'])) {
$this->setRedirect(JURI::base() . 'index.php?option=com_joomlapack&view=buadmin', JText::_('STATS_ERROR_RESTOREDEPLOY'), 'error');
parent::display();
return;
}
// Set the linktarget
$URIbase = JURI::base();
$adminPos = strrpos($URIbase, '/administrator');
$URIbase = substr($URIbase, 0, $adminPos);
$linktarget = $URIbase . '/datarestore.php';
JRequest::setVar('linktarget', $linktarget);
parent::display();
}
