mailrelay.php

<?php

if (!defined('_PS_VERSION_'))
	exit;


class MailRelay extends Module
{
	public function __construct()
	{
		$this->name = 'mailrelay';
		$this->tab = 'administration';
		$this->version = 1.0;
		$this->author = '';
		$this->need_instance = 0;
	
		parent::__construct();
	
		$this->displayName = $this->l('Mailrelay');
		$this->description = $this->l('');
	}
	
	public function install()
	{
		if ($id_tab = Tab::getIdFromClassName('AdminMailRelay'))
		{
			$tab = new Tab((int)$id_tab);
			if (!$tab->delete())
				$this->_errors[] = sprintf($this->l('Unable to delete outdated AdminMailRelay tab %d'), (int)$id_tab);
		}
		
		if (!$id_tab = Tab::getIdFromClassName('AdminMailRelay'))
		{
			$tab = new Tab();
			$tab->class_name = 'AdminMailRelay';
			$tab->module = 'mailrelay';
			$tab->id_parent = (int)Tab::getIdFromClassName('AdminTools');
			foreach (Language::getLanguages(false) as $lang)
				$tab->name[(int)$lang['id_lang']] = 'Mailrelay';
			
			if (!$tab->save())
				return $this->_abortInstall($this->l('Unable to create the "AdminMailRelay" tab'));
		}
		else
			$tab = new Tab((int)$id_tab);
		
		
		/* Update the "AdminMailRelay" tab id in database or exit */
		if (Validate::isLoadedObject($tab))
			Configuration::updateValue('PS_AUTOUPDATE_MODULE_IDTAB', (int)$tab->id);
		else
			return $this->_abortInstall($this->l('Unable to load the "AdminMailRelay" tab'));
		
		/* Check working directory is existing or create it */
		$module_dir = _PS_ADMIN_DIR_.DIRECTORY_SEPARATOR.'mailrelay';
		if (!file_exists($module_dir) && !@mkdir($module_dir, 0755))
			return $this->_abortInstall(sprintf($this->l('Unable to create the directory "%s"'), $module_dir));
		
		/* Make sure that the 1-click upgrade working directory is writeable */
		if (!is_writable($module_dir))
			return $this->_abortInstall(sprintf($this->l('Unable to write in the directory "%s"'), $module_dir));
		
		Db::getInstance()->Execute('
                CREATE TABLE IF NOT EXISTS `'._DB_PREFIX_.'mailrelay` (
                    `id` INT NOT NULL AUTO_INCREMENT,
                    `username` CHAR(50) NOT NULL,
            		`password` CHAR(50) NOT NULL,
                	`hostname` VARCHAR(255) NOT NULL,
            		`key` VARCHAR(255) NOT NULL,
                	`last_group` CHAR(20),
                    PRIMARY KEY(`id`)
                ) ENGINE='._MYSQL_ENGINE_.' default CHARSET=utf8');		
		
		return parent::install();
	}
	
	
	public function uninstall()
	{
		/* Delete Back-office tab */
		if ($id_tab = Tab::getIdFromClassName('AdminMailRelay'))
		{
			$tab = new Tab((int)$id_tab);
			$tab->delete();
			
			Db::getInstance()->Execute('DROP TABLE IF EXISTS `'._DB_PREFIX_.'mailrelay`');
		}

		/* Remove the working directory */
		self::_removeDirectory(_PS_ADMIN_DIR_.DIRECTORY_SEPARATOR.'mailrelay');
		
		return parent::uninstall();
	}
	
	
	public function getContent()
	{
		global $cookie;
		header('Location: index.php?tab=AdminMailRelay&token='.md5(pSQL(_COOKIE_KEY_.'AdminMailRelay'.(int)Tab::getIdFromClassName('AdminMailRelay').(int)$cookie->id_employee)));
		exit;
	}
	
	/**
	 * Set installation errors and return false
	 *
	 * @param string $error Installation abortion reason
	 * @return boolean Always false
	 */
	protected function _abortInstall($error)
	{
		if (version_compare(_PS_VERSION_, '1.5.0.0 ', '>='))
			$this->_errors[] = $error;
		else
			echo '<div class="error">'.strip_tags($error).'</div>';
	
		return false;
	}
	
	
	private static function _removeDirectory($dir)
	{
		if ($handle = @opendir($dir))
		{
			while (false !== ($entry = @readdir($handle)))
				if ($entry != '.' && $entry != '..')
				{
					if (is_dir($dir.DIRECTORY_SEPARATOR.$entry) === true)
						self::_removeDirectory($dir.DIRECTORY_SEPARATOR.$entry);
					else
						@unlink($dir.DIRECTORY_SEPARATOR.$entry);
				}
	
				@closedir($handle);
				@rmdir($dir);
		}
	}
}