kaktusy/adminy/tabs/AdminBackup.php

248 lines
7.6 KiB
PHP

<?php
/**
* Backup management tab for admin panel, AdminBackup.php
* @category admin
*
* @author Andrew Brampton
* @copyright Andrew Brampton
* @license http://www.opensource.org/licenses/osl-3.0.php Open-source licence 3.0
* @version 0.1
*
* @todo When exporting data, ExecuteS is used which returns a large array. I would prefer Db supported a way to retreive one row at a time
* @todo Abstract some of the methods into the Db class, for example, listing table names, exporting schema
* @todo Add a import backup option
* @todo Make the filters work
*/
include_once(PS_ADMIN_DIR.'/../classes/AdminTab.php');
class AdminBackup extends AdminTab
{
/** @var string The field we are sorting on */
protected $_sortBy = 'date';
public function __construct()
{
$this->table = 'backup';
$this->className = 'Backup';
parent::__construct();
$this->edit = false;
$this->delete = true;
$this->view = true;
$this->deleted = false;
$this->fieldsDisplay = array (
'date' => array('title' => $this->l('Date'), 'type' => 'datetime', 'width' => 120),
'age' => array('title' => $this->l('Age')),
'filename' => array('title' => $this->l('Filename'), 'width' => 200),
'filesize' => array('title' => $this->l('File size')));
$this->optionTitle = $this->l('Backup option');
$this->_fieldsOptions = array('PS_BACKUP_ALL' => array('title' => $this->l('Backup all tables:'), 'desc' => $this->l('If you disable this option, only the necessary tables will be imported (connections and statistics will not be imported)'), 'cast' => 'intval', 'type' => 'bool'));
$this->identifier = 'filename';
}
/**
* Load class object using identifier in $_GET (if possible)
* otherwise return an empty object
* This method overrides the one in AdminTab because AdminTab assumes the id is a UnsignedInt
*dir backups on admin dir must be writable (CHMOD 777)
* @param boolean $opt Return an empty object if load fail
* @return object
*/
protected function loadObject($opt = false)
{
if ($id = Tools::getValue($this->identifier))
return new $this->className($id);
return new $this->className();
}
/**
* Creates a new backup, and then displays the normal menu
*/
public function displayForm($isMainTab = true)
{
if(is_writable(PS_ADMIN_DIR.'/backups/'))
{
$object = $this->loadObject();
if ($object->add())
{
echo '<div class="conf confirm"><img src="../img/admin/ok.gif" />&nbsp;'.$this->l('Back-up Creation successful').' !</div>';
if ($this->tabAccess['view'] === '1')
echo '<br />'.$this->l('You can now').' <b><a href="'.$object->getBackupURL().'">'.$this->l('download the back-up file').'</a></b>.';
echo '<br />';
}
elseif ($object->error)
$this->_errors[] = $object->error;
}
else
$this->_errors[] = $this->l('dir backups on admin dir must be writable (CHMOD 777)');
$this->displayErrors();
}
/**
* Displays the page which allows the backup to be downloaded
*/
public function viewbackup()
{
global $currentIndex;
$object = $this->loadObject();
if ($object->id)
{
$url = $object->getBackupURL();
echo '<div class="conf confirm"><img src="../img/admin/ok.gif" />&nbsp;'.$this->l('Beginning download ...').'</div>';
echo '<br />'.$this->l('Back-up file should automatically download.');
echo '<br /><br />'.$this->l('If not,').' <b><a href="'.$url.'">'.$this->l('please click here!').'</a></b>';
echo '<iframe width="0" height="0" scrolling="no" frameborder="0" src="'.$url.'"></iframe>';
echo '<br /><br /><br /><a href="'.$currentIndex.'&token='.$this->token.'"><img src="../img/admin/arrow2.gif" /> '.$this->l('Back to list').'</a><br />';
}
elseif ($object->error)
$this->_errors[] = $object->error;
$this->displayErrors();
}
public function displayList()
{
global $currentIndex;
// Test if the backup dir is writable
if(!is_writable(PS_ADMIN_DIR.'/backups/'))
$this->displayWarning($this->l('dir backups on admin dir must be writable (CHMOD 777)'));
$this->displayErrors();
echo '<br /><a href="'.$currentIndex.'&add'.$this->table.'&token='.$this->token.'"><img src="../img/admin/add.gif" border="0" /> '.$this->l('Create new back-up').'</a><br /><br />';
parent::displayList();
}
public function getList($id_lang, $orderBy = NULL, $orderWay = NULL, $start = 0, $limit = NULL)
{
global $cookie;
if (!Validate::isTableOrIdentifier($this->table))
die('filter is corrupted');
if (empty($orderBy))
$orderBy = Tools::getValue($this->table.'Orderby', $this->_defaultOrderBy);
if (empty($orderWay))
$orderWay = Tools::getValue($this->table.'Orderway', 'ASC');
// Try and obtain getList arguments from $_GET
$orderBy = Tools::getValue($this->table.'Orderby');
$orderWay = Tools::getValue($this->table.'Orderway');
// Validate the orderBy and orderWay fields
switch ($orderBy)
{
case 'filename':
case 'filesize':
case 'date':
case 'age':
break;
default:
$orderBy = 'date';
}
switch ($orderWay)
{
case 'asc':
case 'desc':
break;
default:
$orderWay = 'desc';
}
if (empty($limit))
$limit = ((!isset($cookie->{$this->table.'_pagination'})) ? $this->_pagination[0] : $limit = $cookie->{$this->table.'_pagination'});
$limit = intval(Tools::getValue('pagination', $limit));
$cookie->{$this->table.'_pagination'} = $limit;
/* Determine offset from current page */
if (!empty($_POST['submitFilter'.$this->table]) AND is_numeric($_POST['submitFilter'.$this->table]))
$start = intval($_POST['submitFilter'.$this->table] - 1) * $limit;
$this->_lang = intval($id_lang);
$this->_orderBy = $orderBy;
$this->_orderWay = strtoupper($orderWay);
$this->_list = array();
// Find all the backups
$dh = @opendir(PS_ADMIN_DIR.'/backups/');
if ($dh === false)
{
$this->_errors[] = Tools::displayError('Unable to open backup directory "').addslashes(PS_ADMIN_DIR.'/backups/').'"';
return;
}
while (($file = readdir($dh)) !== false)
{
if (preg_match('/^([\d]+-[a-z\d]+)\.sql(\.gz|\.bz2)?$/', $file, $matches) == 0)
continue;
$timestamp = intval($matches[1]);
$date = date('Y-m-d h:i:s', $timestamp);
$age = time() - $timestamp;
if ($age < 3600)
$age = '< 1 '.$this->l('hour');
else if ($age < 86400)
{
$age = floor($age / 3600);
$age = $age.' '.(($age == 1) ? $this->l('hour') : $this->l('hours'));
}
else
{
$age = floor($age / 86400);
$age = $age.' '.(($age == 1) ? $this->l('day') : $this->l('days'));
}
$size = filesize(PS_ADMIN_DIR.'/backups/'.$file);
$this->_list[] = array(
'filename' => $file,
'age' => $age,
'date' => $date,
'filesize' => number_format($size / 1000, 2).' Kb',
'timestamp' => $timestamp,
'filesize_sort' => $size,
);
}
closedir($dh);
$this->_listTotal = count($this->_list);
// Sort the _list based on the order requirements
switch ($this->_orderBy)
{
case 'filename':
$this->_sortBy = 'filename';
$sorter = 'str_sort';
break;
case 'filesize':
$this->_sortBy = 'filesize_sort';
$sorter = 'int_sort';
break;
case 'age':
case 'date':
$this->_sortBy = 'timestamp';
$sorter = 'int_sort';
break;
}
usort($this->_list, array($this, $sorter));
$this->_list = array_slice($this->_list, $start, $limit);
}
public function int_sort($a, $b)
{
if ($this->_orderWay == 'ASC')
return $a[$this->_sortBy] - $b[$this->_sortBy];
else
return $b[$this->_sortBy] - $a[$this->_sortBy];
}
public function str_sort($a, $b)
{
if ($this->_orderWay == 'ASC')
return strcmp ($a[ $this->_sortBy], $b[$this->_sortBy]);
else
return strcmp ($b[ $this->_sortBy], $a[$this->_sortBy]);
}
}
?>