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<?php
/**
* @package AkeebaBackup
* @copyright Copyright (c)2009-2012 Nicholas K. Dionysopoulos
* @license GNU General Public License version 3, or later
* @version $Id$
* @since 1.3
*/
// Protect from unauthorized access
defined('_JEXEC') or die('Restricted Access');
jimport('joomla.application.component.model');
/**
* The Control Panel model
*
*/
class AkeebaModelCpanel extends JModel
{
/**
* Contructor; dummy for now
*
*/
public function __construct()
{
parent::__construct();
}
/**
* Get an array of icon definitions for the Control Panel
*
* @return array
*/
public function getIconDefinitions()
{
AEPlatform::getInstance()->load_version_defines();
$core = $this->loadIconDefinitions(JPATH_COMPONENT_ADMINISTRATOR.'/views');
if(AKEEBA_PRO) {
$pro = $this->loadIconDefinitions(JPATH_COMPONENT_ADMINISTRATOR.'/plugins/views');
} else {
$pro = array();
}
$ret = array_merge_recursive($core, $pro);
return $ret;
}
private function loadIconDefinitions($path)
{
$ret = array();
if(!@file_exists($path.'/views.ini')) return $ret;
$ini_data = AEUtilINI::parse_ini_file($path.'/views.ini', true);
if(!empty($ini_data))
{
foreach($ini_data as $view => $def)
{
$task = array_key_exists('task',$def) ? $def['task'] : null;
$ret[$def['group']][] = $this->_makeIconDefinition($def['icon'], JText::_($def['label']), $view, $task);
}
}
return $ret;
}
/**
* Returns a list of available backup profiles, to be consumed by JHTML in order to build
* a drop-down
*
* @return array
*/
public function getProfilesList()
{
$db =& $this->getDBO();
$query = "SELECT ".$db->nameQuote('id').", ".$db->nameQuote('description').
" FROM ".$db->nameQuote('#__ak_profiles').
" ORDER BY ".$db->nameQuote('id')." ASC";
$db->setQuery($query);
$rawList = $db->loadAssocList();
$options = array();
if(!is_array($rawList)) return $options;
foreach($rawList as $row)
{
$options[] = JHTML::_('select.option', $row['id'], $row['description']);
}
return $options;
}
/**
* Returns the active Profile ID
*
* @return int The active profile ID
*/
public function getProfileID()
{
$session =& JFactory::getSession();
return $session->get('profile', null, 'akeeba');
}
/**
* Creates an icon definition entry
*
* @param string $iconFile The filename of the icon on the GUI button
* @param string $label The label below the GUI button
* @param string $view The view to fire up when the button is clicked
* @return array The icon definition array
*/
public function _makeIconDefinition($iconFile, $label, $view = null, $task = null )
{
return array(
'icon' => $iconFile,
'label' => $label,
'view' => $view,
'task' => $task
);
}
/**
* Was the last backup a failed one? Used to apply magic settings as a means of
* troubleshooting.
*
* @return bool
*/
public function isLastBackupFailed()
{
// Get the last backup record ID
$list = AEPlatform::getInstance()->get_statistics_list(array('limitstart' => 0, 'limit' => 1));
if(empty($list)) return false;
$id = $list[0];
$statmodel->setId($id);
$record = AEPlatform::getInstance()->get_statistics($id);
return ($record['status'] == 'fail');
}
/**
* Checks that the media permissions are 0755 for directories and 0644 for files
* and fixes them if they are incorrect.
*
* @param $force bool Forcibly check subresources, even if the parent has correct permissions
*
* @return bool False if we couldn't figure out what's going on
*/
public function fixMediaPermissions($force = false)
{
// Are we on Windows?
if (function_exists('php_uname'))
{
$isWindows = stristr(php_uname(), 'windows');
}
else
{
$isWindows = (DIRECTORY_SEPARATOR == '\\');
}
// No point changing permissions on Windows, as they have ACLs
if($isWindows) return true;
// Check the parent permissions
$parent = JPATH_ROOT.'/media/com_akeeba';
$parentPerms = fileperms($parent);
// If we can't determine the parent's permissions, bail out
if($parentPerms === false) return false;
// Fix the parent's permissions if required
if($parentPerms != 0755) {
$this->chmod($parent, 0755);
} else {
if(!$force) return true;
}
// During development we use symlinks and we don't wanna see that big fat warning
if(@is_link($parent)) return true;
jimport('joomla.filesystem.folder');
$result = true;
// Loop through subdirectories
$folders = JFolder::folders($parent,'.',3,true);
foreach($folders as $folder) {
$perms = fileperms($folder);
if($perms != 0755) $result &= $this->chmod($folder, 0755);
}
// Loop through files
$files = JFolder::files($parent,'.',3,true);
foreach($files as $file) {
$perms = fileperms($file);
if($perms != 0644) $result &= $this->chmod($file, 0644);
}
return $result;
}
/**
* Tries to change a folder/file's permissions using direct access or FTP
*
* @param string $path The full path to the folder/file to chmod
* @param int $mode New permissions
*/
private function chmod($path, $mode)
{
if(is_string($mode))
{
$mode = octdec($mode);
if( ($mode < 0600) || ($mode > 0777) ) $mode = 0755;
}
// Initialize variables
jimport('joomla.client.helper');
$ftpOptions = JClientHelper::getCredentials('ftp');
// Check to make sure the path valid and clean
$path = JPath::clean($path);
if ($ftpOptions['enabled'] == 1) {
// Connect the FTP client
jimport('joomla.client.ftp');
$ftp = &JFTP::getInstance(
$ftpOptions['host'], $ftpOptions['port'], null,
$ftpOptions['user'], $ftpOptions['pass']
);
}
if(@chmod($path, $mode))
{
$ret = true;
} elseif ($ftpOptions['enabled'] == 1) {
// Translate path and delete
$path = JPath::clean(str_replace(JPATH_ROOT, $ftpOptions['root'], $path), '/');
// FTP connector throws an error
$ret = $ftp->chmod($path, $mode);
} else {
return false;
}
}
/**
* Checks if we should enable settings encryption and applies the change
*/
public function checkSettingsEncryption()
{
// Do we have a key file?
jimport('joomla.filesystem.file');
$filename = JPATH_COMPONENT_ADMINISTRATOR.'/akeeba/serverkey.php';
if(JFile::exists($filename)) {
// We have a key file. Do we need to disable it?
if(AEPlatform::getInstance()->get_platform_configuration_option('useencryption', -1) == 0) {
// User asked us to disable encryption. Let's do it.
$this->disableSettingsEncryption();
}
} else {
if(!AEUtilSecuresettings::supportsEncryption()) return;
if(AEPlatform::getInstance()->get_platform_configuration_option('useencryption', -1) != 0) {
// User asked us to enable encryption (or he left us with the default setting!). Let's do it.
$this->enableSettingsEncryption();
}
}
}
private function disableSettingsEncryption()
{
// Load the server key file if necessary
jimport('joomla.filesystem.file');
$filename = JPATH_COMPONENT_ADMINISTRATOR.'/akeeba/serverkey.php';
$key = AEUtilSecuresettings::getKey();
// Loop all profiles and decrypt their settings
$profilesModel = JModel::getInstance('Profiles','AkeebaModel');
$profiles = $profilesModel->getProfilesList(true);
$db = $this->getDBO();
foreach($profiles as $profile)
{
$id = $profile->id;
$config = AEUtilSecuresettings::decryptSettings($profile->configuration, $key);
$sql = 'UPDATE '.$db->nameQuote('#__ak_profiles').' SET '.
$db->nameQuote('configuration').' = '.$db->Quote($config)
.' WHERE '.
$db->nameQuote('id').' = '. $db->Quote($id);
$db->setQuery($sql);
$db->query();
}
// Finally, remove the key file
JFile::delete($filename);
}
private function enableSettingsEncryption()
{
$key = $this->createSettingsKey();
if(empty($key) || ($key==false)) return;
// Loop all profiles and encrypt their settings
$profilesModel = JModel::getInstance('Profiles','AkeebaModel');
$profiles = $profilesModel->getProfilesList(true);
$db = $this->getDBO();
foreach($profiles as $profile)
{
$id = $profile->id;
$config = AEUtilSecuresettings::encryptSettings($profile->configuration, $key);
$sql = 'UPDATE '.$db->nameQuote('#__ak_profiles').' SET '.
$db->nameQuote('configuration').' = '.$db->Quote($config)
.' WHERE '.
$db->nameQuote('id').' = '. $db->Quote($id);
$db->setQuery($sql);
$db->query();
}
}
private function createSettingsKey()
{
jimport('joomla.filesystem.file');
$seedA = md5( JFile::read(JPATH_ROOT.'/configuration.php') );
$seedB = md5( microtime() );
$seed = $seedA.$seedB;
$md5 = md5($seed);
for($i = 0; $i < 1000; $i++) {
$md5 = md5( $md5 . md5(rand(0, 2147483647)) );
}
$key = base64_encode( $md5 );
$filecontents = "<?php defined('AKEEBAENGINE') or die(); define('AKEEBA_SERVERKEY', '$key'); ?>";
$filename = JPATH_COMPONENT_ADMINISTRATOR.'/akeeba/serverkey.php';
$result = JFile::write($filename, $filecontents);
if(!$result) {
return false;
} else {
return base64_decode($key);
}
}
/**
* Update the cached live site's URL for the front-end backup feature (altbackup.php)
* and the detected Joomla! libraries path
*/
public function updateMagicParameters()
{
$component =& JComponentHelper::getComponent( 'com_akeeba' );
if(is_object($component->params) && ($component->params instanceof JRegistry)) {
$params = $component->params;
} else {
$params = new JParameter($component->params);
}
$params->set( 'siteurl', str_replace('/administrator','',JURI::base()) );
if(defined('JPATH_LIBRARIES')) {
$params->set('jlibrariesdir', AEUtilFilesystem::TranslateWinPath(JPATH_LIBRARIES));
} elseif(defined("JPATH_PLATFORM")) {
$params->set('jlibrariesdir', AEUtilFilesystem::TranslateWinPath(JPATH_PLATFORM));
}
if(AKEEBA_JVERSION == '16') {
// Joomla! 1.6
$joomla16 = true;
$params->set( 'jversion', '1.6' );
} else {
// Joomla! 1.5
$joomla16 = false;
$params->set( 'jversion', '1.5' );
}
$db =& JFactory::getDBO();
$data = $params->toString();
if($joomla16)
{
// Joomla! 1.6
$sql = 'UPDATE `#__extensions` SET `params` = '.$db->Quote($data).' WHERE '.
"`element` = 'com_akeeba' AND `type` = 'component'";
}
else
{
// Joomla! 1.5
$sql = 'UPDATE `#__components` SET `params` = '.$db->Quote($data).' WHERE '.
"`option` = 'com_akeeba' AND `parent` = 0 AND `menuid` = 0";
}
$db->setQuery($sql);
$db->query();
}
}