Current File : /home/admin/public_html/old/happy2/administrator/components/com_installer/models/install.php
<?php
/**
* @package Joomla.Administrator
* @subpackage com_installer
* @copyright Copyright (C) 2005 - 2013 Open Source Matters, Inc. All rights reserved.
* @license GNU General Public License version 2 or later; see LICENSE.txt
*/
defined('_JEXEC') or die;
/**
* Extension Manager Install Model
*
* @package Joomla.Administrator
* @subpackage com_installer
* @since 1.5
*/
class InstallerModelInstall extends JModelLegacy
{
/**
* @var object JTable object
*/
protected $_table = null;
/**
* @var object JTable object
*/
protected $_url = null;
/**
* Model context string.
*
* @var string
*/
protected $_context = 'com_installer.install';
/**
* Method to auto-populate the model state.
*
* Note. Calling getState in this method will result in recursion.
*
* @since 1.6
*/
protected function populateState()
{
// Initialise variables.
$app = JFactory::getApplication('administrator');
$this->setState('message', $app->getUserState('com_installer.message'));
$this->setState('extension_message', $app->getUserState('com_installer.extension_message'));
$app->setUserState('com_installer.message', '');
$app->setUserState('com_installer.extension_message', '');
// Recall the 'Install from Directory' path.
$path = $app->getUserStateFromRequest($this->_context.'.install_directory', 'install_directory', $app->getCfg('tmp_path'));
$this->setState('install.directory', $path);
parent::populateState();
}
/**
* Install an extension from either folder, url or upload.
*
* @return boolean result of install
* @since 1.5
*/
function install()
{
$this->setState('action', 'install');
// Set FTP credentials, if given.
JClientHelper::setCredentialsFromRequest('ftp');
$app = JFactory::getApplication();
switch(JRequest::getWord('installtype')) {
case 'folder':
// Remember the 'Install from Directory' path.
$app->getUserStateFromRequest($this->_context.'.install_directory', 'install_directory');
$package = $this->_getPackageFromFolder();
break;
case 'upload':
$package = $this->_getPackageFromUpload();
break;
case 'url':
$package = $this->_getPackageFromUrl();
break;
default:
$app->setUserState('com_installer.message', JText::_('COM_INSTALLER_NO_INSTALL_TYPE_FOUND'));
return false;
break;
}
// Was the package unpacked?
if (!$package) {
$app->setUserState('com_installer.message', JText::_('COM_INSTALLER_UNABLE_TO_FIND_INSTALL_PACKAGE'));
return false;
}
// Get an installer instance
$installer = JInstaller::getInstance();
// Install the package
if (!$installer->install($package['dir'])) {
// There was an error installing the package
$msg = JText::sprintf('COM_INSTALLER_INSTALL_ERROR', JText::_('COM_INSTALLER_TYPE_TYPE_'.strtoupper($package['type'])));
$result = false;
} else {
// Package installed sucessfully
$msg = JText::sprintf('COM_INSTALLER_INSTALL_SUCCESS', JText::_('COM_INSTALLER_TYPE_TYPE_'.strtoupper($package['type'])));
$result = true;
}
// Set some model state values
$app = JFactory::getApplication();
$app->enqueueMessage($msg);
$this->setState('name', $installer->get('name'));
$this->setState('result', $result);
$app->setUserState('com_installer.message', $installer->message);
$app->setUserState('com_installer.extension_message', $installer->get('extension_message'));
$app->setUserState('com_installer.redirect_url', $installer->get('redirect_url'));
// Cleanup the install files
if (!is_file($package['packagefile'])) {
$config = JFactory::getConfig();
$package['packagefile'] = $config->get('tmp_path') . '/' . $package['packagefile'];
}
JInstallerHelper::cleanupInstall($package['packagefile'], $package['extractdir']);
return $result;
}
/**
* Works out an installation package from a HTTP upload
*
* @return package definition or false on failure
*/
protected function _getPackageFromUpload()
{
// Get the uploaded file information
$userfile = JRequest::getVar('install_package', null, 'files', 'array');
// Make sure that file uploads are enabled in php
if (!(bool) ini_get('file_uploads')) {
JError::raiseWarning('', JText::_('COM_INSTALLER_MSG_INSTALL_WARNINSTALLFILE'));
return false;
}
// Make sure that zlib is loaded so that the package can be unpacked
if (!extension_loaded('zlib')) {
JError::raiseWarning('', JText::_('COM_INSTALLER_MSG_INSTALL_WARNINSTALLZLIB'));
return false;
}
// If there is no uploaded file, we have a problem...
if (!is_array($userfile)) {
JError::raiseWarning('', JText::_('COM_INSTALLER_MSG_INSTALL_NO_FILE_SELECTED'));
return false;
}
// Check if there was a problem uploading the file.
if ($userfile['error'] || $userfile['size'] < 1) {
JError::raiseWarning('', JText::_('COM_INSTALLER_MSG_INSTALL_WARNINSTALLUPLOADERROR'));
return false;
}
// Build the appropriate paths
$config = JFactory::getConfig();
$tmp_dest = $config->get('tmp_path') . '/' . $userfile['name'];
$tmp_src = $userfile['tmp_name'];
// Move uploaded file
jimport('joomla.filesystem.file');
$uploaded = JFile::upload($tmp_src, $tmp_dest);
// Unpack the downloaded package file
$package = JInstallerHelper::unpack($tmp_dest);
return $package;
}
/**
* Install an extension from a directory
*
* @return Package details or false on failure
* @since 1.5
*/
protected function _getPackageFromFolder()
{
// Get the path to the package to install
$p_dir = JRequest::getString('install_directory');
$p_dir = JPath::clean($p_dir);
// Did you give us a valid directory?
if (!is_dir($p_dir)) {
JError::raiseWarning('', JText::_('COM_INSTALLER_MSG_INSTALL_PLEASE_ENTER_A_PACKAGE_DIRECTORY'));
return false;
}
// Detect the package type
$type = JInstallerHelper::detectType($p_dir);
// Did you give us a valid package?
if (!$type) {
JError::raiseWarning('', JText::_('COM_INSTALLER_MSG_INSTALL_PATH_DOES_NOT_HAVE_A_VALID_PACKAGE'));
return false;
}
$package['packagefile'] = null;
$package['extractdir'] = null;
$package['dir'] = $p_dir;
$package['type'] = $type;
return $package;
}
/**
* Install an extension from a URL
*
* @return Package details or false on failure
* @since 1.5
*/
protected function _getPackageFromUrl()
{
// Get a database connector
$db = JFactory::getDbo();
// Get the URL of the package to install
$url = JRequest::getString('install_url');
// Did you give us a URL?
if (!$url) {
JError::raiseWarning('', JText::_('COM_INSTALLER_MSG_INSTALL_ENTER_A_URL'));
return false;
}
// Download the package at the URL given
$p_file = JInstallerHelper::downloadPackage($url);
// Was the package downloaded?
if (!$p_file) {
JError::raiseWarning('', JText::_('COM_INSTALLER_MSG_INSTALL_INVALID_URL'));
return false;
}
$config = JFactory::getConfig();
$tmp_dest = $config->get('tmp_path');
// Unpack the downloaded package file
$package = JInstallerHelper::unpack($tmp_dest . '/' . $p_file);
return $package;
}
}