/**
* Method to upgrade a specific extension
*
* @package MageBridge
* @access public
* @param string $exension_name
* @return bool
*/
private function update($extension_name = null)
{
// Do not continue if the extension name is empty
if ($extension_name == null) {
JError::raiseWarning('SOME_ERROR_CODE', JText::_('COM_MAGEBRIDGE_MODEL_UPDATE_INSTALL_NO_EXTENSION'));
return false;
}
// Fetch a list of available packages
$packages = MageBridgeUpdateHelper::getPackageList();
foreach ($packages as $package) {
if ($package['name'] == $extension_name) {
$extension = $package;
break;
}
}
// Do not continue if the extension does not appear from the list
if ($extension == null) {
JError::raiseWarning('SOME_ERROR_CODE', JText::_('COM_MAGEBRIDGE_MODEL_UPDATE_INSTALL_UNKNOWN_EXTENSION'));
return false;
}
// Premature check for the component-directory to be writable
if ($extension['type'] == 'component' && JFactory::getConfig()->get('ftp_enable') == 0) {
if (is_dir(JPATH_ADMINISTRATOR . '/components/' . $extension['name']) && !is_writable(JPATH_ADMINISTRATOR . '/components/' . $extension['name'])) {
JError::raiseWarning('SOME_ERROR_CODE', JText::sprintf('COM_MAGEBRIDGE_MODEL_UPDATE_INSTALL_DIR_NOT_WRITABLE', JPATH_ADMINISTRATOR . '/components/' . $extension['name']));
return false;
} else {
if (!is_dir(JPATH_ADMINISTRATOR . '/components/' . $extension['name']) && !is_writable(JPATH_ADMINISTRATOR . '/components')) {
JError::raiseWarning('SOME_ERROR_CODE', JText::sprintf('COM_MAGEBRIDGE_MODEL_UPDATE_INSTALL_DIR_NOT_WRITABLE', JPATH_ADMINISTRATOR . '/components'));
return false;
}
}
}
// Construct the update URL
$extension_uri = $extension['name'];
$extension_uri .= '_j25';
$extension_uri .= '.' . MagebridgeModelConfig::load('update_format');
$extension_url = $this->getUrl($extension_uri);
// Either use fopen() or CURL
if (ini_get('allow_url_fopen') == 1 && MagebridgeModelConfig::load('update_method') == 'joomla') {
$package_file = JInstallerHelper::downloadPackage($extension_url, $extension_uri);
} else {
$package_file = MageBridgeUpdateHelper::downloadPackage($extension_url, $extension_uri);
}
// Simple check for the result
if ($package_file == false) {
JError::raiseWarning('SOME_ERROR_CODE', JText::sprintf('COM_MAGEBRIDGE_MODEL_UPDATE_INSTALL_DOWNLOAD_FAILED', $extension_uri));
return false;
}
// Check if the downloaded file exists
$tmp_path = JFactory::getConfig()->get('tmp_path');
$package_path = $tmp_path . '/' . $package_file;
if (!is_file($package_path)) {
JError::raiseWarning('MB', JText::sprintf('COM_MAGEBRIDGE_MODEL_UPDATE_INSTALL_FILE_NOT_EXISTS', $package_path));
return false;
}
// Check if the file is readable
if (!is_readable($package_path)) {
JError::raiseWarning('MB', JText::sprintf('COM_MAGEBRIDGE_MODEL_UPDATE_INSTALL_FILE_NOT_READABLE', $package_path));
return false;
}
// Check if the downloaded file is abnormally small (so it might just contain a simple warning-text)
if (filesize($package_path) < 128) {
$contents = @file_get_contents($package_path);
if (empty($contents)) {
JError::raiseWarning('MB', JText::_('COM_MAGEBRIDGE_MODEL_UPDATE_INSTALL_FILE_EMPTY'));
return false;
} else {
if (preg_match('/^Restricted/', $contents)) {
JError::raiseWarning('MB', JText::sprintf('COM_MAGEBRIDGE_MODEL_UPDATE_INSTALL_NO_ACCESS'));
return false;
}
}
JError::raiseWarning('MB', JText::sprintf('COM_MAGEBRIDGE_MODEL_UPDATE_INSTALL_FILE_NO_ARCHIVE', $package_path));
return false;
}
// Now we assume this is an archive, so let's unpack it
$package = JInstallerHelper::unpack($package_path);
if ($package == false) {
JError::raiseWarning('SOME_ERROR_CODE', JText::sprintf('COM_MAGEBRIDGE_MODEL_UPDATE_INSTALL_FILE_GONE', $extension['name']));
return false;
}
// Quick workaround to prevent Koowa proxying the database
if (class_exists('KInput')) {
KInput::set('option', 'com_installer', 'get');
}
// Call the actual installer to install the package
$installer = JInstaller::getInstance();
if ($installer->install($package['dir']) == false) {
JError::raiseWarning('SOME_ERROR_CODE', JText::sprintf('COM_MAGEBRIDGE_MODEL_UPDATE_INSTALL_FAILED', $extension['name']));
return false;
}
// Get the name of downloaded package
if (!is_file($package['packagefile'])) {
$package['packagefile'] = JFactory::getConfig()->get('tmp_path') . '/' . $package['packagefile'];
}
// Clean up the installation
@JInstallerHelper::cleanupInstall($package['packagefile'], $package['extractdir']);
// Post install procedure
if (isset($extension['post_install_query'])) {
$query = trim($extension['post_install_query']);
if (!empty($query)) {
$db = JFactory::getDBO();
$db->setQuery($query);
try {
$db->execute();
} catch (Exception $e) {
JError::raiseWarning('MB', JText::sprintf('COM_MAGEBRIDGE_MODEL_UPDATE_INSTALL_POSTQUERY_FAILED', $db->getErrorMsg()));
return false;
}
if ($db->getErrorMsg()) {
JError::raiseWarning('MB', JText::sprintf('COM_MAGEBRIDGE_MODEL_UPDATE_INSTALL_POSTQUERY_FAILED', $db->getErrorMsg()));
return false;
}
}
}
return true;
}
private function update($extension_name = null)
{
// Do not continue if the extension name is empty
if ($extension_name == null) {
JError::raiseWarning('SOME_ERROR_CODE', JText::_('No extension specified'));
return false;
}
// Fetch a list of available packages
$packages = MageBridgeUpdateHelper::getPackageList();
foreach ($packages as $package) {
if ($package['name'] == $extension_name) {
$extension = $package;
break;
}
}
// Do not continue if the extension does not appear from the list
if ($extension == null) {
JError::raiseWarning('SOME_ERROR_CODE', JText::_('Unknown extension'));
return false;
}
// Premature check for the component-directory to be writable
if ($extension['type'] == 'component' && JFactory::getConfig()->getValue('ftp_enable') == 0) {
if (is_dir(JPATH_ADMINISTRATOR . '/components/' . $extension['name']) && !is_writable(JPATH_ADMINISTRATOR . '/components/' . $extension['name'])) {
JError::raiseWarning('SOME_ERROR_CODE', JText::_('Component directory is not writable'));
return false;
} else {
if (!is_dir(JPATH_ADMINISTRATOR . '/components/' . $extension['name']) && !is_writable(JPATH_ADMINISTRATOR . '/components')) {
JError::raiseWarning('SOME_ERROR_CODE', JText::_('Components folder is not writable'));
return false;
}
}
}
// Construct the update URL
$extension_uri = $extension['name'];
$extension_uri .= MageBridgeHelper::isJoomla15() ? '_j15' : '_j25';
$extension_uri .= '.' . MagebridgeModelConfig::load('update_format');
$extension_url = $this->getUrl($extension_uri);
// Either use fopen() or CURL
if (ini_get('allow_url_fopen') == 1 && MagebridgeModelConfig::load('update_method') == 'joomla') {
$package_file = JInstallerHelper::downloadPackage($extension_url, $extension_uri);
} else {
$package_file = MageBridgeUpdateHelper::downloadPackage($extension_url, $extension_uri);
}
// Simple check for the result
if ($package_file == false) {
JError::raiseWarning('SOME_ERROR_CODE', JText::sprintf('Failed to download update for %s', $extension_uri));
return false;
}
// Check if the downloaded file exists
$tmp_path = JFactory::getConfig()->getValue('config.tmp_path');
$package_path = $tmp_path . '/' . $package_file;
if (!is_file($package_path)) {
JError::raiseWarning('MB', JText::sprintf('File %s does not exist', $package_path));
return false;
}
// Check if the file is readable
if (!is_readable($package_path)) {
JError::raiseWarning('MB', JText::sprintf('File %s is not readable', $package_path));
return false;
}
// Check if the downloaded file is abnormally small (so it might just contain a simple warning-text)
if (filesize($package_path) < 128) {
$contents = @file_get_contents($package_path);
if (empty($contents)) {
JError::raiseWarning('MB', JText::sprintf('Valid archive but empty content.'));
return false;
} else {
if (preg_match('/^Restricted/', $contents)) {
JError::raiseWarning('MB', JText::sprintf('Not allowed to access updates.'));
return false;
}
}
JError::raiseWarning('MB', JText::sprintf('File %s is not a valid archive', $package_path));
return false;
}
// Now we assume this is an archive, so let's unpack it
$package = JInstallerHelper::unpack($package_path);
if ($package == false) {
JError::raiseWarning('SOME_ERROR_CODE', JText::sprintf('Unable to find update for %s on local filesystem', $extension['name']));
return false;
}
// Quick workaround to prevent Koowa proxying the database
if (class_exists('KInput')) {
KInput::set('option', 'com_installer', 'get');
}
// Call the actual installer to install the package
$installer = JInstaller::getInstance();
if ($installer->install($package['dir']) == false) {
JError::raiseWarning('SOME_ERROR_CODE', JText::sprintf('Failed to install %s', $extension['name']));
return false;
}
// Get the name of downloaded package
if (!is_file($package['packagefile'])) {
$package['packagefile'] = JFactory::getConfig()->getValue('config.tmp_path') . '/' . $package['packagefile'];
}
// Clean up the installation
@JInstallerHelper::cleanupInstall($package['packagefile'], $package['extractdir']);
// Post install procedure
if (isset($extension['post_install_query'])) {
$query = trim($extension['post_install_query']);
if (!empty($query)) {
$db = JFactory::getDBO();
$db->setQuery($query);
$db->query();
if ($db->getErrorMsg()) {
JError::raiseWarning('MB', JText::sprintf('Post install query failed: %s', $db->getErrorMsg()));
return false;
}
}
}
return true;
}
