318 lines
7.9 KiB
PHP
318 lines
7.9 KiB
PHP
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<?php
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/**
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* @package AkeebaBackup
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* @copyright Copyright (c)2006-2010 Nicholas K. Dionysopoulos
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* @license GNU General Public License version 3, or later
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* @version $id$
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* @version $Id: buadmin.php 211 2010-08-12 21:34:52Z nikosdion $
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*/
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// Protect from unauthorized access
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defined('_JEXEC') or die('Restricted Access');
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// Load framework base classes
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jimport('joomla.application.component.controller');
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/**
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* The Backup Administrator class
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*
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*/
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class AkeebaControllerBuadmin extends JController
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{
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public function __construct($config = array()) {
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parent::__construct($config);
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if(AKEEBA_JVERSION=='16')
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{
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// Access check, Joomla! 1.6 style.
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if (!JFactory::getUser()->authorise('akeeba.download', 'com_akeeba')) {
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$this->setRedirect('index.php?option=com_akeeba');
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return JError::raiseWarning(403, JText::_('JERROR_ALERTNOAUTHOR'));
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$this->redirect();
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}
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}
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}
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/**
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* Show a list of backup attempts
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*
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*/
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public function display()
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{
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parent::display();
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}
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/**
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* Downloads the backup file of a specific backup attempt,
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* if it's available
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*
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*/
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public function download()
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{
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$cid = JRequest::getVar('cid',array(),'default','array');
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$id = JRequest::getInt('id');
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$part = JRequest::getInt('part',-1);
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if(empty($id))
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{
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if(is_array($cid) && !empty($cid))
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{
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$id = $cid[0];
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}
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else
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{
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$id = -1;
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}
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}
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if($id <= 0)
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{
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$this->setRedirect(JURI::base().'index.php?option=com_akeeba&view=buadmin', JText::_('STATS_ERROR_INVALIDID'), 'error');
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parent::display();
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return;
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}
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$stat = AEPlatform::get_statistics($id);
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$allFilenames = AEUtilStatistics::get_all_filenames($stat);
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// Check single part files
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if( (count($allFilenames) == 1) && ($part == -1) )
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{
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$filename = array_shift($allFilenames);
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}
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elseif( (count($allFilenames) > 0) && (count($allFilenames) > $part) && ($part >= 0) )
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{
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$filename = $allFilenames[$part];
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}
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else
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{
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$filename = null;
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}
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if(is_null($filename) || empty($filename) || !@file_exists($filename) )
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{
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$this->setRedirect(JURI::base().'index.php?option=com_akeeba&view=buadmin', JText::_('STATS_ERROR_INVALIDDOWNLOAD'), 'error');
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parent::display();
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return;
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}
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else
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{
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$basename = @basename($filename);
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$filesize = @filesize($filename);
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$extension = strtolower(str_replace(".", "", strrchr($filename, ".")));
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JRequest::setVar('format','raw');
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@ob_end_clean();
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@clearstatcache();
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// Send MIME headers
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header('MIME-Version: 1.0');
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header('Content-Disposition: attachment; filename='.$basename);
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header('Content-Transfer-Encoding: binary');
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switch($extension)
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{
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case 'zip':
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// ZIP MIME type
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header('Content-Type: application/zip');
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break;
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default:
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// Generic binary data MIME type
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header('Content-Type: application/octet-stream');
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break;
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}
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// Notify of filesize, if this info is available
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if($filesize > 0) header('Content-Length: '.@filesize($filename));
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// Disable caching
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header('Expires: Mon, 20 Dec 1998 01:00:00 GMT');
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header('Cache-Control: no-cache, must-revalidate');
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header('Pragma: no-cache');
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if($filesize > 0)
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{
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// If the filesize is reported, use 2M chunks for echoing the data to the browser
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$blocksize = (2 << 20); //2M chunks
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$handle = @fopen($filename, "r");
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// Now we need to loop through the file and echo out chunks of file data
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if($handle !== false) while(!@feof($handle)){
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echo @fread($handle, $blocksize);
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}
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} else {
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// If the filesize is not reported, hope that readfile works
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@readfile($filename);
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}
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exit(0);
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}
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}
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/**
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* Deletes one or several backup statistics records and their associated backup files
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*/
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public function remove()
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{
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$cid = JRequest::getVar('cid',array(),'default','array');
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$id = JRequest::getInt('id');
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if(empty($id))
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{
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if(!empty($cid) && is_array($cid))
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{
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foreach ($cid as $id)
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{
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$result = $this->_remove($id);
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if(!$result) $this->setRedirect(JURI::base().'index.php?option=com_akeeba&view=buadmin', JText::_('STATS_ERROR_INVALIDID'), 'error');
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}
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}
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else
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{
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$this->setRedirect(JURI::base().'index.php?option=com_akeeba&view=buadmin', JText::_('STATS_ERROR_INVALIDID'), 'error');
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return;
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}
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}
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else
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{
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$result = $this->_remove($id);
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if(!$result) $this->setRedirect(JURI::base().'index.php?option=com_akeeba&view=buadmin', JText::_('STATS_ERROR_INVALIDID'), 'error');
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}
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$this->setRedirect(JURI::base().'index.php?option=com_akeeba&view=buadmin', JText::_('STATS_MSG_DELETED'));
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parent::display();
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}
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/**
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* Deletes backup files associated to one or several backup statistics records
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*/
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public function deletefiles()
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{
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$cid = JRequest::getVar('cid',array(),'default','array');
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$id = JRequest::getInt('id');
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if(empty($id))
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{
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if(!empty($cid) && is_array($cid))
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{
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foreach ($cid as $id)
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{
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$result = $this->_removeFiles($id);
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if(!$result) $this->setRedirect(JURI::base().'index.php?option=com_akeeba&view=buadmin', JText::_('STATS_ERROR_INVALIDID'), 'error');
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}
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}
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else
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{
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$this->setRedirect(JURI::base().'index.php?option=com_akeeba&view=buadmin', JText::_('STATS_ERROR_INVALIDID'), 'error');
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return;
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}
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}
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else
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{
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$result = $this->_remove($id);
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if(!$result) $this->setRedirect(JURI::base().'index.php?option=com_akeeba&view=buadmin', JText::_('STATS_ERROR_INVALIDID'), 'error');
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}
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$this->setRedirect(JURI::base().'index.php?option=com_akeeba&view=buadmin', JText::_('STATS_MSG_DELETEDFILE'));
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parent::display();
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}
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/**
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* Removes the backup file linked to a statistics entry and the entry itself
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*
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* @return bool True on success
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*/
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private function _remove($id)
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{
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if($id <= 0)
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{
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$this->setRedirect(JURI::base().'index.php?option=com_akeeba&view=buadmin', JText::_('STATS_ERROR_INVALIDID'), 'error');
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return;
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}
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$model =& $this->getModel('statistics');
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return $model->delete($id);
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}
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/**
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* Removes only the backup file linked to a statistics entry
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*
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* @return bool True on success
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*/
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private function _removeFiles($id)
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{
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if($id <= 0)
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{
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$this->setRedirect(JURI::base().'index.php?option=com_akeeba&view=buadmin', JText::_('STATS_ERROR_INVALIDID'), 'error');
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return;
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}
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$model =& $this->getModel('statistics');
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return $model->deleteFile($id);
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}
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public function showcomment()
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{
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$cid = JRequest::getVar('cid',array(),'default','array');
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$id = JRequest::getInt('id');
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if(empty($id))
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{
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if(is_array($cid) && !empty($cid))
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{
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$id = $cid[0];
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}
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else
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{
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$id = -1;
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}
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}
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if($id <= 0)
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{
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$this->setRedirect(JURI::base().'index.php?option=com_akeeba&view=buadmin', JText::_('STATS_ERROR_INVALIDID'), 'error');
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parent::display();
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return;
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}
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JRequest::setVar('id', $id);
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parent::display();
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}
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/**
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* Save an edited backup record
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*/
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public function save()
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{
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$id = JRequest::getInt('id');
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$description = JRequest::getString('description');
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$comment = JRequest::getVar('comment',null,'default','string',4);
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$statistic = AEPlatform::get_statistics(JRequest::getInt('id'));
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$statistic['description'] = $description;
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$statistic['comment'] = $comment;
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AEPlatform::set_or_update_statistics(JRequest::getInt('id'),$statistic,$self);
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if( !$this->getError() ) {
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$message = JText::_('STATS_LOG_SAVEDOK');
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$type = 'message';
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} else {
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$message = JText::_('STATS_LOG_SAVEERROR');
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$type = 'error';
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}
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$this->setRedirect(JURI::base().'index.php?option=com_akeeba&view=buadmin', $message, $type);
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}
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public function restore()
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{
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$id = null;
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$cid = JRequest::getVar('cid', array(), 'default', 'array');
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if(!empty($cid))
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{
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$id = intval($cid[0]);
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if($id <= 0) $id = null;
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}
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if(empty($id)) $id = JRequest::getInt('id', -1);
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if($id <= 0) $id = null;
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$url = JURI::base().'index.php?option=com_akeeba&view=restore&id='.$id;
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$this->setRedirect($url);
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$this->redirect();
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return;
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}
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}
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