public function step()
{
// Check permissions
$this->_checkPermissions();
// Set the profile
$this->_setProfile();
$kettenrad =& AECoreKettenrad::load(AKEEBA_BACKUP_ORIGIN);
$array = $kettenrad->tick();
AECoreKettenrad::save(AKEEBA_BACKUP_ORIGIN);
if ($array['Error'] != '') {
@ob_end_clean();
echo '500 ERROR -- ' . $array['Error'];
flush();
JFactory::getApplication()->close();
} elseif ($array['HasRun'] == false) {
// All done
AEFactory::nuke();
AEUtilTempvars::reset();
@ob_end_clean();
echo '200 OK';
flush();
JFactory::getApplication()->close();
} else {
$noredirect = JRequest::getInt('noredirect', 0);
if ($noredirect != 0) {
@ob_end_clean();
echo "301 More work required";
flush();
JFactory::getApplication()->close();
} else {
$this->setRedirect(JURI::base() . 'index.php?option=com_akeeba&view=backup&task=step&key=' . JRequest::getVar('key') . '&profile=' . JRequest::getInt('profile', 1));
}
}
}
/**
* Step through the backup, informing user of the progress
*/
public function step()
{
// Enforce raw mode - I need to be in full control!
$document =& JFactory::getDocument();
$document->setType('raw');
$key = JRequest::getVar('key');
if (!$this->_checkPermissions()) {
parent::redirect();
return;
}
JRequest::setVar('tpl', 'step');
$kettenrad =& AECoreKettenrad::load(AKEEBA_BACKUP_ORIGIN);
$array = $kettenrad->getStatusArray();
if ($array['Error'] != '') {
// An error occured
$this->setRedirect(JURI::base() . 'index.php?option=com_akeeba&view=light&format=raw&key=' . urlencode($key) . '&task=error&error=' . urlencode($array['Error']));
parent::redirect();
} elseif ($array['HasRun'] == 1) {
// All done
$this->setRedirect(JURI::base() . 'index.php?option=com_akeeba&view=light&format=raw&key=' . urlencode($key) . '&task=done');
parent::redirect();
} else {
$kettenrad->tick();
AECoreKettenrad::save(AKEEBA_BACKUP_ORIGIN);
parent::display();
}
}
public function step()
{
// Check permissions
$this->_checkPermissions();
// Set the profile
$this->_setProfile();
$kettenrad = AECoreKettenrad::load(AKEEBA_BACKUP_ORIGIN);
$kettenrad->tick();
$array = $kettenrad->getStatusArray();
$kettenrad->resetWarnings();
// So as not to have duplicate warnings reports
AECoreKettenrad::save(AKEEBA_BACKUP_ORIGIN);
if ($array['Error'] != '') {
@ob_end_clean();
echo '500 ERROR -- ' . $array['Error'];
flush();
JFactory::getApplication()->close();
} elseif ($array['HasRun'] == 1) {
// All done
AEFactory::nuke();
AEUtilTempvars::reset();
@ob_end_clean();
echo '200 OK';
flush();
JFactory::getApplication()->close();
} else {
$noredirect = $this->input->get('noredirect', 0, 'int');
if ($noredirect != 0) {
@ob_end_clean();
echo "301 More work required";
flush();
JFactory::getApplication()->close();
} else {
$this->setRedirect(JURI::base() . 'index.php?option=com_akeeba&view=backup&task=step&key=' . $this->input->get('key', '', 'none', 2) . '&profile=' . $this->input->get('profile', 1, 'int'));
}
}
}
public function step()
{
// Check permissions
$this->_checkPermissions();
// Set the profile
$this->_setProfile();
// Get the backup ID
$backupId = $this->input->get('backupid', null, 'raw', 2);
if (empty($backupId)) {
$backupId = null;
}
$kettenrad = AECoreKettenrad::load(AKEEBA_BACKUP_ORIGIN, $backupId);
$kettenrad->setBackupId($backupId);
$kettenrad->tick();
$array = $kettenrad->getStatusArray();
$kettenrad->resetWarnings();
// So as not to have duplicate warnings reports
AECoreKettenrad::save(AKEEBA_BACKUP_ORIGIN, $backupId);
if ($array['Error'] != '') {
@ob_end_clean();
echo '500 ERROR -- ' . $array['Error'];
flush();
JFactory::getApplication()->close();
} elseif ($array['HasRun'] == 1) {
// All done
AEFactory::nuke();
AEUtilTempvars::reset();
@ob_end_clean();
echo '200 OK';
flush();
JFactory::getApplication()->close();
} else {
$noredirect = $this->input->get('noredirect', 0, 'int');
if ($noredirect != 0) {
@ob_end_clean();
echo "301 More work required";
flush();
JFactory::getApplication()->close();
} else {
$curUri = JUri::getInstance();
$ssl = $curUri->isSSL() ? 1 : 0;
$tempURL = JRoute::_('index.php?option=com_akeeba', false, $ssl);
$uri = new JUri($tempURL);
$uri->setVar('view', 'backup');
$uri->setVar('task', 'step');
$uri->setVar('key', $this->input->get('key', '', 'none', 2));
$uri->setVar('profile', $this->input->get('profile', 1, 'int'));
if (!empty($backupId)) {
$uri->setVar('backupid', $backupId);
}
// Maybe we have a multilingual site?
$lg = F0FPlatform::getInstance()->getLanguage();
$languageTag = $lg->getTag();
$uri->setVar('lang', $languageTag);
$redirectionUrl = $uri->toString();
$this->_customRedirect($redirectionUrl);
}
}
}
/**
* Resets the Kettenrad state, wipping out any pending backups and/or stale
* temporary data.
*
* @param array $config Configuration parameters for the reset operation
*/
public static function reset($config = array())
{
$default_config = array('global' => true, 'log' => false, 'maxrun' => 0);
$config = (object) array_merge($default_config, $config);
// Pause logging if so desired
if (!$config->log) {
AEUtilLogger::WriteLog(false, '');
}
$tag = null;
if (!$config->global) {
// If we're not resetting globally, get a list of running backups per tag
$tag = AEPlatform::getInstance()->get_backup_origin();
}
// Cache the factory before proceeding
$factory = AEFactory::serialize();
$runningList = AEPlatform::getInstance()->get_running_backups($tag);
// Origins we have to clean
$origins = array(AEPlatform::getInstance()->get_backup_origin());
// 1. Detect failed backups
if (is_array($runningList) && !empty($runningList)) {
// The current timestamp
$now = time();
// Mark running backups as failed
foreach ($runningList as $running) {
if (empty($tag)) {
// Check the timestamp of the log file to decide if it's stuck,
// but only if a tag is not set
$tstamp = @filemtime(AEUtilLogger::logName($running['origin']));
if ($tstamp !== false) {
// We can only check the timestamp if it's returned. If not, we assume the backup is stale
$difference = abs($now - $tstamp);
// Backups less than 3 minutes old are not considered stale
if ($difference < $config->maxrun) {
continue;
}
}
}
$filenames = AEUtilStatistics::get_all_filenames($running, false);
// Process if there are files to delete...
if (!is_null($filenames)) {
// Delete the failed backup's archive, if exists
foreach ($filenames as $failedArchive) {
AEPlatform::getInstance()->unlink($failedArchive);
}
}
// Mark the backup failed
$running['status'] = 'fail';
$running['multipart'] = 0;
$dummy = null;
AEPlatform::getInstance()->set_or_update_statistics($running['id'], $running, $dummy);
$origins[] = $running['origin'];
}
}
if (!empty($origins)) {
$origins = array_unique($origins);
foreach ($origins as $tag) {
AECoreKettenrad::load($tag);
// Remove temporary files
AEUtilTempfiles::deleteTempFiles();
// Delete any stale temporary data
AEUtilTempvars::reset($tag);
}
}
// Reload the factory
AEFactory::unserialize($factory);
unset($factory);
// Unpause logging if it was previously paused
if (!$config->log) {
AEUtilLogger::WriteLog(true, '');
}
}
/**
* Step through the backup, informing user of the progress
*/
public function step()
{
$key = $this->input->get('key', '', 'none', 2);
if (!$this->_checkPermissions()) {
parent::redirect();
return true;
}
$model = $this->getThisModel();
$model->setState('key', $key);
$kettenrad = AECoreKettenrad::load(AKEEBA_BACKUP_ORIGIN);
$array = $kettenrad->getStatusArray();
if ($array['Error'] != '') {
// An error occured
$this->setRedirect(JURI::base() . 'index.php?option=com_akeeba&view=light&format=raw&key=' . urlencode($key) . '&task=error&error=' . urlencode($array['Error']));
parent::redirect();
} elseif ($array['HasRun'] == 1) {
// All done
$this->setRedirect(JURI::base() . 'index.php?option=com_akeeba&view=light&format=raw&key=' . urlencode($key) . '&task=done');
parent::redirect();
} else {
$kettenrad->tick();
AECoreKettenrad::save(AKEEBA_BACKUP_ORIGIN);
parent::display();
}
}
public function runBackup()
{
$ret_array = array();
$ajaxTask = $this->getState('ajax');
switch ($ajaxTask) {
case 'start':
// Description is passed through a strict filter which removes HTML
$description = $this->getState('description');
// The comment is passed through the Safe HTML filter (note: use 2 to force no filtering)
$comment = $this->getState('comment');
$jpskey = $this->getState('jpskey');
$tag = $this->getState('tag');
// Try resetting the engine
AECoreKettenrad::reset(array('maxrun' => 0));
// Remove any stale memory files left over from the previous step
if (empty($tag)) {
$tag = AEPlatform::getInstance()->get_backup_origin();
}
AEUtilTempvars::reset($tag);
$kettenrad = AECoreKettenrad::load($tag);
// Take care of System Restore Point setup
if ($tag == 'restorepoint') {
// Fetch the extension's version information
require_once JPATH_COMPONENT_ADMINISTRATOR . '/liveupdate/classes/xmlslurp.php';
$slurp = new LiveUpdateXMLSlurp();
$exttype = $this->getState('type');
switch ($exttype) {
case 'component':
$extname = 'com_';
break;
case 'module':
$extname = 'mod_';
break;
case 'plugin':
$extname = 'plg_';
break;
case 'template':
$extname = 'tpl_';
break;
}
$extname .= $this->getState('name');
$info = $slurp->getInfo($extname, '');
// Get the configOverrides for this extension
$configOverrides = $this->getConfigOverridesForSRP($extname, $info);
// Create an SRP descriptor
$srpdescriptor = array('type' => $this->getState('type'), 'name' => $this->getState('name'), 'group' => $this->getState('group'), 'version' => $info['version'], 'date' => $info['date']);
// Set the description and comment
$description = "System Restore Point - " . JText::_($exttype) . ": {$extname}";
$comment = "---BEGIN SRP---\n" . json_encode($srpdescriptor) . "\n---END SRP---";
$jpskey = '';
// Set a custom finalization action queue
$configOverrides['volatile.core.finalization.action_handlers'] = array(new AEFinalizationSrpquotas());
$configOverrides['volatile.core.finalization.action_queue'] = array('remove_temp_files', 'update_statistics', 'update_filesizes', 'apply_srp_quotas');
// Apply the configuration overrides, please
$platform = AEPlatform::getInstance();
$platform->configOverrides = $configOverrides;
}
$options = array('description' => $description, 'comment' => $comment, 'jpskey' => $jpskey);
$kettenrad->setup($options);
$kettenrad->tick();
if ($kettenrad->getState() != 'running' && $tag == 'restorepoint') {
$kettenrad->tick();
}
$ret_array = $kettenrad->getStatusArray();
$kettenrad->resetWarnings();
// So as not to have duplicate warnings reports
AECoreKettenrad::save($tag);
break;
case 'step':
$tag = $this->getState('tag');
$kettenrad = AECoreKettenrad::load($tag);
$kettenrad->tick();
$ret_array = $kettenrad->getStatusArray();
$kettenrad->resetWarnings();
// So as not to have duplicate warnings reports
AECoreKettenrad::save($tag);
if ($ret_array['HasRun'] == 1) {
// Clean up
AEFactory::nuke();
AEUtilTempvars::reset($tag);
}
break;
default:
break;
}
return $ret_array;
}
private function _apiStepBackup($config)
{
$defConfig = array('profile' => null, 'tag' => AKEEBA_BACKUP_ORIGIN);
$config = array_merge($defConfig, $config);
extract($config);
// Try to set the profile from the setup parameters
if (!empty($profile)) {
$registry = AEFactory::getConfiguration();
$session = JFactory::getSession();
$session->set('profile', $profile, 'akeeba');
}
$kettenrad = AECoreKettenrad::load($tag);
$registry = AEFactory::getConfiguration();
$session = JFactory::getSession();
$session->set('profile', $registry->activeProfile, 'akeeba');
$array = $kettenrad->tick();
$ret_array = $kettenrad->getStatusArray();
$array['Progress'] = $ret_array['Progress'];
AECoreKettenrad::save($tag);
if ($array['Error'] != '') {
// A backup error had occurred. Why are we here?!
$this->status = self::STATUS_ERROR;
$this->encapsulation = self::ENCAPSULATION_RAW;
return 'A backup error had occurred: ' . $array['Error'];
} elseif ($array['HasRun'] == false) {
AEFactory::nuke();
AEUtilTempvars::reset();
}
return $array;
}
public function __construct(& $subject, $config = array())
{
// Use the parent constructor to create the plugin object
parent::__construct($subject, $config);
// Check if we have to disable ourself
$akreset = JRequest::getCmd('akreset','');
$defaultpw = $this->params->get('resetpw','');
if( ($akreset == $defaultpw) && !empty($defaultpw) )
{
// Disable the plugin
$db = JFactory::getDBO();
if( version_compare( JVERSION, '1.6.0', 'ge' ) ) {
$sql = 'UPDATE `#__extensions` SET `enabled` = 0 WHERE `type` = \'plugin\' AND `element` = \'aklazy\'';
} else {
$sql = 'UPDATE #__plugins SET `published` = 0 WHERE `element` = \'aklazy\'';
}
$db->setQuery($sql);
$db->query();
// Load the configuration
$profile = (int)$this->params->get('profile',1);
if($profile <= 0) $profile = 1;
$session = JFactory::getSession();
$session->set('profile', $profile, 'akeeba');
AEPlatform::getInstance()->load_configuration($profile);
// Remove the log files
$logfile = AEUtilLogger::logName(null);
@unlink($logfile);
AEUtilLogger::ResetLog('lazy');
// Clear lock
$this->unsetLock();
$this->unsetNonce();
$this->saveStorage();
// Reset pending backups
AECoreKettenrad::reset(array(
'maxrun' => 0
));
// Redirect
$app = JFactory::getApplication();
$app->redirect('index.php');
return;
}
// Hijack the application to do the backup steps if aklazy and nonce
// params are defined in the URL query
$aklazy = JRequest::getCmd('aklazy',null);
$nonce = JRequest::getCmd('nonce',null);
// Can we create test files in the storage directory?
$filename = $this->getStorageFilename().'.tmp';
jimport('joomla.filesystem.file');
// Fix 3.2.2: JFile::write in 1.6 uses pass-by-reference for the data part
$dummyData = 'x';
$touched = @file_put_contents($filename, $dummyData);
if(!$touched) {
$touched = JFile::write($filename,$dummyData);
}
if($touched) {
if(!@unlink($filename)) {
JFile::delete($filename);
}
} else {
$app = JFactory::getApplication();
if(JFactory::getApplication()->isAdmin()) {
JError::raiseWarning(0, "Your cache directory (".JPATH_SITE.DS."cache) is not writable. Akeeba Backup Lazy Scheduling plugin will not work until you fix this issue.");
}
return;
}
// Load the settings
$status = $this->loadStorage();
if(!$status) {
$app = JFactory::getApplication();
if(JFactory::getApplication()->isAdmin()) {
JError::raiseWarning(0, "Akeeba Backup Lazy Scheduling plugin can not read its temporary file. Make sure the cache directory in your site's root is writable and readable.");
}
return;
}
// When aklazy is 'check', it returns a backup URL, or dies if there's
// no need to start/step a backup.
if( ($aklazy == 'check') )
{
// Do a backup necessity check and return a URL or nothing at all
$state = $this->getBackupState();
if($state != 'none')
{
$url = JURI::base().'index.php?aklazy='.$state.'&nonce='.$this->nonce;
}
else
{
$url = '';
}
@ob_end_clean(); // Just in case...
echo('###'.$url.'###');
jexit();
}
if( (in_array($aklazy, array('start','step','ajaxstart','ajaxstep'))) && !empty($nonce) )
{
// Make sure we're not locked
if($this->isLocked()) return;
// Get the saved nonce and compare it to the one in the URL
$this->getNonce();
if(empty($this->nonce)) return;
if($this->nonce != $nonce) return;
if($this->isLocked()) return;
// Try to convince PHP to not abort the request when the user is disconnected
if(function_exists('ignore_user_abort')) {
@ignore_user_abort(true);
}
// Set a time limit of 5 mintues
if(function_exists('set_time_limit')) {
@set_time_limit(300);
}
// Lock the backup process
$this->setNonce();
$this->setLock();
$this->saveStorage();
// Define the basic constants for the Akeeba Engine
if(!defined('AKEEBA_BACKUP_ORIGIN')) {
define('AKEEBA_BACKUP_ORIGIN','lazy'); // Set the backup origin
}
// Load the language files
$jlang = JFactory::getLanguage();
$jlang->load('com_akeeba', JPATH_SITE, 'en-GB', true);
$jlang->load('com_akeeba', JPATH_SITE, $jlang->getDefault(), true);
$jlang->load('com_akeeba', JPATH_SITE, null, true);
$jlang->load('com_akeeba', JPATH_ADMINISTRATOR, 'en-GB', true);
$jlang->load('com_akeeba', JPATH_ADMINISTRATOR, $jlang->getDefault(), true);
$jlang->load('com_akeeba', JPATH_ADMINISTRATOR, null, true);
// Set the profile and load the configuration
$profile = (int)$this->params->get('profile',1);
if($profile <= 0) $profile = 1;
$session = JFactory::getSession();
$session->set('profile', $profile, 'akeeba');
AEPlatform::getInstance()->load_configuration($profile);
if(empty($tag)) $tag = AEPlatform::getInstance()->get_backup_origin();
$isDone = false;
register_shutdown_function('AkeebaBackupLazyShutdown');
if(in_array($aklazy,array('start','ajaxstart')))
{
// Start a new backup
AEUtilTempvars::reset($tag);
$kettenrad = AECoreKettenrad::load($tag);
$user = JFactory::getUser();
$userTZ = $user->getParam('timezone',0);
$dateNow = new JDate();
$dateNow->setOffset($userTZ);
if( version_compare( JVERSION, '1.6.0', 'ge' ) ) {
$description = JText::_('BACKUP_DEFAULT_DESCRIPTION').' '.$dateNow->format(JText::_('DATE_FORMAT_LC2'), true);
} else {
$description = JText::_('BACKUP_DEFAULT_DESCRIPTION').' '.$dateNow->toFormat(JText::_('DATE_FORMAT_LC2'));
}
$options = array(
'description' => $description,
'comment' => ''
);
$kettenrad->setup($options); // Setting up the engine
$kettenrad->tick(); // Initializes the init domain
} else {
// Run a backup step
$kettenrad = AECoreKettenrad::load($tag);
$kettenrad->tick();
}
$array = $kettenrad->getStatusArray();
$kettenrad->resetWarnings(); // So as not to have duplicate warnings reports
AECoreKettenrad::save($tag);
// Parse the return array
if($array['Error'] != '')
{
// An error occured. Reset the engine and unset the nonce.
$this->unsetNonce();
$this->saveStorage();
AECoreKettenrad::reset(array(
'maxrun' => 0
));
$isDone = true;
}
elseif($array['HasRun'] == 1)
{
// All done. Clean up and unset the nonce.
$this->unsetNonce();
$this->saveStorage();
AEFactory::nuke();
AEUtilTempvars::reset($tag);
$isDone = true;
}
// Unlock the process
$this->unsetLock();
$this->saveStorage();
// Do we need to forward to the new step?
if(in_array($aklazy, array('start','step')))
{
// IFRAME handling
if(!$isDone)
{
$url = JURI::base().'index.php?aklazy=step&nonce='.$this->nonce;
echo "<html><head><meta http-equiv=\"refresh\" content=\"0;$url\" /></head><body></body></html>";
jexit();
}
}
else
{
if(!$isDone)
{
echo '###'.$this->nonce.'###';
jexit();
}
}
// Stop processing
jexit();
}
}
