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* @license GNU General Public License version 2 or later; see LICENSE.txt */ namespace Joomla\Component\Installer\Administrator\Model; \defined('_JEXEC') or die; use Joomla\CMS\Factory; use Joomla\CMS\Language\Text; use Joomla\CMS\MVC\Model\ListModel; /** * Installer Warnings Model * * @since 1.6 */ class WarningsModel extends ListModel { /** * Extension Type * @var string */ public $type = 'warnings'; /** * Return the byte value of a particular string. * * @param string $val String optionally with G, M or K suffix * * @return integer size in bytes * * @since 1.6 */ public function return_bytes($val) { if (empty($val)) { return 0; } $val = trim($val); preg_match('#([0-9]+)[\s]*([a-z]+)#i', $val, $matches); $last = ''; if (isset($matches[2])) { $last = $matches[2]; } if (isset($matches[1])) { $val = (int) $matches[1]; } switch (strtolower($last)) { case 'g': case 'gb': $val *= (1024 * 1024 * 1024); break; case 'm': case 'mb': $val *= (1024 * 1024); break; case 'k': case 'kb': $val *= 1024; break; } return (int) $val; } /** * Load the data. * * @return array Messages * * @since 1.6 */ public function getItems() { static $messages; if ($messages) { return $messages; } $messages = []; // 16MB $minMemory = 16 * 1024 * 1024; $file_uploads = ini_get('file_uploads'); if (!$file_uploads) { $messages[] = array('message' => Text::_('COM_INSTALLER_MSG_WARNINGS_FILEUPLOADSDISABLED'), 'description' => Text::_('COM_INSTALLER_MSG_WARNINGS_FILEUPLOADISDISABLEDDESC')); } $upload_dir = ini_get('upload_tmp_dir'); if (!$upload_dir) { $messages[] = array('message' => Text::_('COM_INSTALLER_MSG_WARNINGS_PHPUPLOADNOTSET'), 'description' => Text::_('COM_INSTALLER_MSG_WARNINGS_PHPUPLOADNOTSETDESC')); } elseif (!is_writable($upload_dir)) { $messages[] = array('message' => Text::_('COM_INSTALLER_MSG_WARNINGS_PHPUPLOADNOTWRITEABLE'), 'description' => Text::sprintf('COM_INSTALLER_MSG_WARNINGS_PHPUPLOADNOTWRITEABLEDESC', $upload_dir)); } $tmp_path = Factory::getApplication()->get('tmp_path'); if (!$tmp_path) { $messages[] = array('message' => Text::_('COM_INSTALLER_MSG_WARNINGS_JOOMLATMPNOTSET'), 'description' => Text::_('COM_INSTALLER_MSG_WARNINGS_JOOMLATMPNOTSETDESC')); } elseif (!is_writable($tmp_path)) { $messages[] = array('message' => Text::_('COM_INSTALLER_MSG_WARNINGS_JOOMLATMPNOTWRITEABLE'), 'description' => Text::sprintf('COM_INSTALLER_MSG_WARNINGS_JOOMLATMPNOTWRITEABLEDESC', $tmp_path)); } $memory_limit = $this->return_bytes(ini_get('memory_limit')); if ($memory_limit < $minMemory && $memory_limit != -1) { // 16MB $messages[] = array('message' => Text::_('COM_INSTALLER_MSG_WARNINGS_LOWMEMORYWARN'), 'description' => Text::_('COM_INSTALLER_MSG_WARNINGS_LOWMEMORYDESC')); } elseif ($memory_limit < ($minMemory * 1.5) && $memory_limit != -1) { // 24MB $messages[] = array('message' => Text::_('COM_INSTALLER_MSG_WARNINGS_MEDMEMORYWARN'), 'description' => Text::_('COM_INSTALLER_MSG_WARNINGS_MEDMEMORYDESC')); } $post_max_size = $this->return_bytes(ini_get('post_max_size')); $upload_max_filesize = $this->return_bytes(ini_get('upload_max_filesize')); if ($post_max_size < $upload_max_filesize) { $messages[] = array('message' => Text::_('COM_INSTALLER_MSG_WARNINGS_UPLOADBIGGERTHANPOST'), 'description' => Text::_('COM_INSTALLER_MSG_WARNINGS_UPLOADBIGGERTHANPOSTDESC')); } if ($post_max_size < $minMemory) { $messages[] = array('message' => Text::_('COM_INSTALLER_MSG_WARNINGS_SMALLPOSTSIZE'), 'description' => Text::_('COM_INSTALLER_MSG_WARNINGS_SMALLPOSTSIZEDESC')); } if ($upload_max_filesize < $minMemory) { $messages[] = array('message' => Text::_('COM_INSTALLER_MSG_WARNINGS_SMALLUPLOADSIZE'), 'description' => Text::_('COM_INSTALLER_MSG_WARNINGS_SMALLUPLOADSIZEDESC')); } return $messages; } }