Your IP : 216.73.216.240
<?php
/**
* @Copyright
* @package Field - Kubik-Rubik Versioncheck
* @author Viktor Vogel {@link http://www.kubik-rubik.de}
* @version Joomla! 3 - 1.4
* @date Created on 2013-08-29
* @link Project Site {@link http://joomla-extensions.kubik-rubik.de}
*
* @license GNU/GPL
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
defined('JPATH_PLATFORM') or die;
/**
* Form Field class for Kubik-Rubik Joomla! Extensions.
* Provides a version check.
*/
class JFormFieldKRVersionCheck extends JFormField
{
protected $type = 'krversioncheck';
protected function getInput()
{
$field_set = $this->form->getFieldset();
if(empty($this->group))
{
$version_check_enabled = $field_set['jform_versioncheck_enable']->value;
}
elseif($this->group == 'params')
{
$version_check_enabled = $field_set['jform_params_versioncheck_enable']->value;
}
if(!empty($version_check_enabled))
{
if(empty($this->group))
{
$version_check_data = $field_set['jform_krversioncheck']->value;
}
elseif($this->group == 'params')
{
$version_check_data = $field_set['jform_params_krversioncheck']->value;
}
$info = explode('|', $version_check_data);
$extension = $info[0];
$version_installed = $info[1];
if($version_check_enabled == 1)
{
$session = JFactory::getSession();
$field_value_session = $session->get('field_value', null, 'krversioncheck');
$extension_session = $session->get('extension', null, 'krversioncheck');
$version_installed_session = $session->get('version_installed', null, 'krversioncheck');
if(!empty($field_value_session) AND ($version_installed == $version_installed_session) AND ($extension == $extension_session))
{
return $field_value_session;
}
}
$version_check = $this->getVersionStatus($info);
$field_value = '';
if($version_check['status'] == 1)
{
$field_value = '<div style="border: 1px solid #DD87A2; border-radius: 2px; padding: 5px; background-color: #F9CAD9; font-size: 120%; margin: 4px 0 4px -180px;">'.JTEXT::sprintf('KR_VERSION_CHECK_NEWUPDATEAVAILABLE', $version_check['version_latest'], $version_check['url'], $version_check['name']).'</div>';
}
elseif($version_check['status'] == 0)
{
$field_value = '<div style="border: 1px solid #87DB93; border-radius: 2px; padding: 5px; background-color: #CBF7CA; font-size: 120%; margin: 4px 0 4px -180px;">'.JTEXT::_('KR_VERSION_CHECK_UPTODATE').'</div>';
}
elseif($version_check['status'] == -1)
{
$field_value .= '<div style="border: 1px solid #F2DB82; border-radius: 2px; padding: 5px; background-color: #F7EECA; font-size: 120%; margin: 4px 0 4px -180px;">'.JTEXT::_('KR_VERSION_CHECK_CHECK_ERROR_SERVER').'</div>';
}
elseif($version_check['status'] == -2)
{
$field_value .= '<div style="border: 1px solid #F2DB82; border-radius: 2px; padding: 5px; background-color: #F7EECA; font-size: 120%; margin: 4px 0 4px -180px;">'.JTEXT::_('KR_VERSION_CHECK_CHECK_ERROR').'</div>';
}
elseif($version_check['status'] == -3)
{
$field_value .= '<div style="border: 1px solid #F2DB82; border-radius: 2px; padding: 5px; background-color: #F7EECA; font-size: 120%; margin: 4px 0 4px -180px;">'.JTEXT::sprintf('KR_VERSION_CHECK_CHECK_JOOMLA_VERSION', $version_check['joomla_version']).'</div>';
}
if($version_check_enabled == 1)
{
$session->set('field_value', $field_value, 'krversioncheck');
$session->set('version_installed', $version_installed, 'krversioncheck');
$session->set('extension', $extension, 'krversioncheck');
}
return $field_value;
}
}
protected function getLabel()
{
return;
}
private function getVersionStatus($info)
{
$version_check = array('status' => 0, 'name' => '', 'url' => '', 'version_latest' => '', 'joomla_version' => '');
// TODO - Use JHttpFactory::getHttp(); fo request
$url_fopen = ini_get('allow_url_fopen');
if(function_exists('curl_init') OR !empty($url_fopen))
{
$url_check = 'http://joomla-extensions.kubik-rubik.de/scripts/kr-joomla-extensions.xml';
if(function_exists('curl_init'))
{
$ch = curl_init($url_check);
curl_setopt($ch, CURLOPT_HEADER, 0);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
curl_setopt($ch, CURLOPT_NOSIGNAL, 1);
curl_setopt($ch, CURLOPT_CONNECTTIMEOUT, 5);
$version_check_xml = curl_exec($ch);
$curl_errno = curl_errno($ch);
curl_close($ch);
if($curl_errno != 0)
{
$version_check['status'] = -1;
}
}
else
{
$version_check_xml = @file_get_contents($url_check, 'r');
if(empty($version_check_xml))
{
$version_check['status'] = -1;
}
}
}
else
{
$version_check['status'] = -2;
}
if(!empty($version_check_xml))
{
if(!preg_match('@(error|access denied)@i', $version_check_xml))
{
$jversion = new JVersion;
$version_check['joomla_version'] = substr($jversion->RELEASE, 0, strpos($jversion->RELEASE, '.'));
$joomla_version = 'joomlaversion'.$version_check['joomla_version'];
$type = $info[0];
if(class_exists('SimpleXMLElement'))
{
$version_check_xml_simple = new SimpleXMLElement($version_check_xml);
if(!empty($version_check_xml_simple->$type->$joomla_version))
{
$version_latest = (string)$version_check_xml_simple->$type->$joomla_version->extensionversion;
$version_installed = $info[1];
if(version_compare($version_latest, $version_installed) == 1)
{
$version_check['name'] = (string)$version_check_xml_simple->$type->name;
$version_check['url'] = (string)$version_check_xml_simple->$type->$joomla_version->downloadurl;
$version_check['version_latest'] = $version_latest;
$version_check['status'] = 1;
}
}
else
{
$version_check['status'] = -3;
}
}
else
{
$version_check_regex_extension = $this->regEx($type, $version_check_xml);
if(!empty($version_check_regex_extension))
{
$version_check_regex_joomlaversion = $this->regEx($joomla_version, $version_check_regex_extension);
if(!empty($version_check_regex_joomlaversion))
{
$version_latest = $this->regEx('extensionversion', $version_check_regex_extension);
$version_installed = $info[1];
if(version_compare($version_latest, $version_installed) == 1)
{
$version_check['name'] = $this->regEx('name', $version_check_regex_extension);
$version_check['url'] = $this->regEx('downloadurl', $version_check_regex_extension);
$version_check['version_latest'] = $version_latest;
$version_check['status'] = 1;
}
}
else
{
$version_check['status'] = -3;
}
}
}
}
else
{
$version_check['status'] = -1;
}
}
return $version_check;
}
private function regEx($pattern, $subject)
{
preg_match('@<'.$pattern.'>(.*)</'.$pattern.'>@isU', $subject, $matches);
if(!empty($matches[1]))
{
$match = $matches[1];
}
else
{
$match = false;
}
return $match;
}
}