/**
* Hashes a key by multi-tenant name to prevent cross-tenant cache retrieval. Does not hash if this is not a
* multi-tenanted application, or if the key begins with --shared--.
*
* @param string $key
* @return string
*/
protected static function _multiTenantKey($key)
{
$tenant = Zrt_Application::getTenantName();
if ($tenant && '--shared--' != substr($key, 0, 10)) {
$key = md5($tenant . $key);
}
return $key;
}
public static function isShared()
{
return self::$_shared;
return !self::$_shared && Zrt_Application::getTenantName() ? false : true;
}
/**
* Determines what the default module should be, based on the server name.
* If we are visiting a subsite, checks that the subsite is valid.
*
* @param Zend_Controller_Request_Abstract $request
*/
public function preDispatch(Zend_Controller_Request_Abstract $request)
{
$frontController = Zend_Controller_Front::getInstance();
$server = $_SERVER['HTTP_HOST'];
// Check that the organisational and reseller accounts exist and match.
$subdomains = explode('.', $server);
$tenantDomain = $subdomains[0];
// @todo Choose the username to bind to.
$databaseAdapterName = $this->_databaseAdapterName;
Zend_Registry::get('config')->database->{$databaseAdapterName}->connection->username = $tenantDomain;
// Find the tenant and check that it exists.
// @todo Probably try-catch this as if the username isn't valid, it will throw a database exception.
$tenantClass = $this->_tenantClass;
$tenant = $tenantClass::findBySubdomain($tenantDomain);
if (!$tenant) {
// Can't use an exception because this is pre-dispatch and the error handler has not been loaded.
$request->setParam("error_handler", Zrt_Error::EXCEPTION_NOT_FOUND);
$request->setActionName('error')->setControllerName('error');
return;
}
// If this is a white-labeled application, find the reseller and test that it exists.
if (null !== $this->_resellerClass) {
$resellerDomain = implode('.', array_slice($subdomains, 1));
$resellerClass = $this->_resellerClass;
$reseller = $resellerClass::findByDomain($resellerDomain);
if (!$reseller) {
// Can't use an exception because this is pre-dispatch and the error handler has not been loaded.
$request->setParam("error_handler", Zrt_Error::EXCEPTION_NOT_FOUND);
$request->setActionName('error')->setControllerName('error');
}
// Store reseller information.
Zend_Registry::set('reseller', $reseller);
}
// Store tenant information.
Zrt_Application::setTenantName($tenantDomain);
Zend_Registry::set('tenant', $tenant);
}
