public function __construct($rig)
{
$this->_rigClient = $rig;
$this->_config = Zend_Registry::get('config');
$this->_logger = Sahara_Logger::getInstance();
$this->_view = new Zend_View();
$this->_view->setScriptPath(realpath(dirname(__FILE__) . '/Element/'));
}
/**
* Initalisation.
*/
public function init()
{
$this->_auth = Zend_Auth::getInstance();
$this->_acl = new Sahara_Acl($this->_auth->getIdentity());
$this->_logger = Sahara_Logger::getInstance();
$this->_config = Zend_Registry::get('config');
$this->_headPrefix = ($this->_config->page->title ? $this->_config->page->title : self::DEFAULT_HEAD_PREFIX) . ' - ';
$this->_flashMessenger = $this->getHelper('FlashMessenger');
$this->_redirector = $this->getHelper('Redirector');
}
/**
* Error action.
*/
public function errorAction()
{
$this->_config = Zend_Registry::get('config');
$this->_logger = Sahara_Logger::getInstance();
$errors = $this->_getParam('error_handler');
switch ($errors->type) {
case Zend_Controller_Plugin_ErrorHandler::EXCEPTION_NO_ROUTE:
case Zend_Controller_Plugin_ErrorHandler::EXCEPTION_NO_CONTROLLER:
case Zend_Controller_Plugin_ErrorHandler::EXCEPTION_NO_ACTION:
/*---- 404 error -- controller or action not found. ---------*/
$this->getResponse()->setHttpResponseCode(404);
$this->view->code = 404;
$this->view->message = '404 - Page not found';
break;
default:
/*---- Application error. -----------------------------------*/
/* Can we do some form of recovery. */
if ($errors->exception instanceof Zend_Db_Adapter_Exception && self::_tryDatabaseRecovery()) {
/* Extract original request and redirect back to it. */
$params = $this->getAllParams();
$controller = $params['controller'];
$action = $params['action'];
unset($params['controller']);
unset($params['action']);
unset($params['module']);
unset($params['error_handler']);
$params['failover_retry'] = true;
$this->_request->clearParams();
$this->_request->setPost($params);
$this->_forward($controller, $action, null, $params);
/* Recovery succeeded, no need to perform error handling. */
return;
}
$this->_sendErrorEmail($errors);
$this->_logger->fatal($this->view->message . ': ' . $errors->exception);
$auth = Zend_Auth::getInstance()->clearIdentity();
$this->getResponse()->setHttpResponseCode(500);
$this->view->code = 500;
$this->view->message = '500 - Application Error';
break;
}
$this->view->headTitle(($this->_config->page->title ? $this->_config->page->title : Sahara_Controller_Action_Acl::DEFAULT_HEAD_PREFIX) . ' - ' . 'Error Occurred', Zend_View_Helper_Placeholder_Container_Abstract::SET);
/* Information that should have been populated by the action
* pre-dispatch hook, but because this is an error fallback,
* we assume nothing. */
$this->view->userRole = self::PUESDO_ROLE_ERROR;
$this->view->controller = 'index';
$this->view->action = 'index';
$this->view->env = APPLICATION_ENV;
$this->view->exception = $errors->exception;
$this->view->request = $errors->request;
}
/**
* Gets a logger instance.
*
* @return Sahara_Logger instance
*/
public static function getInstance()
{
if (self::$_instance == null) {
self::$_instance = new Sahara_Logger();
}
return self::$_instance;
}
/**
* Returns the home directory location.
*
* @return String home directory location.
*/
public static function getHomeDirectoryLocation()
{
// TODO Make this abstract, make this OS agnostic
list($jk, $user) = explode(':', Zend_Auth::getInstance()->getIdentity());
exec("getent passwd `id -u {$user}`", $output, $ret);
if ($ret != 0) {
Sahara_Logger::getInstance()->error("Getting home directory for user {$user} failed, getent return code is " . "{$ret}.");
return null;
}
$parts = explode(':', $output[0]);
return $parts[5];
}
/**
* Perform fail over to choose a database server to connect to.
*
* @param Zend_Config $config database configuration fields
* @return bool whether fail over was able to connect to a server
*/
public static function performFailover($config = false)
{
$logger = Sahara_Logger::getInstance();
if (!$config && !($config = Zend_Registry::get('config')->database)) {
throw new Exception('Database not configured.', 100);
}
$excludedId = -1;
if (file_exists($config->failover->file)) {
$ffile = new Zend_Config_Ini($config->failover->file);
$excludedId = $ffile->dbindex;
}
foreach ($config->failover->params as $db => $params) {
/* Check this isn't the excluded database. */
$id = substr($db, 2);
if ($id == $excludedId) {
continue;
}
/* Merge configuration fields. */
$dbconfig = $config->params->toArray();
foreach ($params as $k => $v) {
$dbconfig[$k] = $v;
}
try {
/* Test connection. */
$db = Zend_Db::factory($config->adapter, $dbconfig);
$db->getConnection();
/* If no exception was thrown connecting to the database, it probably is online
* and we can register it. */
$logger->info('Using fail over database server with index $id for database operations.');
self::_registerDatabase($db);
/* Write configuration for future requests. */
$contents = '; Failover at ' . date(DATE_RFC2822) . "\n" . 'adapter = ' . $config->adapter . "\n" . "dbindex = {$id}\n";
foreach ($dbconfig as $k => $v) {
$contents .= "params.{$k} = {$v}\n";
}
if (!file_put_contents($config->failover->file, $contents, LOCK_EX)) {
throw new Exception('Failed to write fail over file.', 100);
}
/* The written configuration file contains the database authentication credentials,
* it should have restricted access to only the web server user. */
if (!chmod($config->failover->file, 0600)) {
$logger->warn('Failed to change permissions of database configuration file \'' . $config->failover->file . '\' to only web server readable and writable, it should be ' . 'changed to having this permission.');
}
/* Found online database server. */
return true;
} catch (Zend_Db_Adapter_Exception $ex) {
$logger->warn("Failed to connect to fail over database server with index '{$id}'. Error is " . $ex->getMessage() . '. Will attempt to connect to any remaining fail over servers.');
}
}
/* No online database servers. */
return false;
}
public function Sahara_AccessKey()
{
$this->_db = Sahara_Database::getDatabase();
$this->_config = Zend_Registry::get('config');
$this->_logger = Sahara_Logger::getInstance();
}
/**
* Initialises the logger.
*
* @return unknown_type
*/
protected function _initLogger()
{
require_once 'Sahara/Logger.php';
// The autoloader isn't set up at this point
Zend_Registry::set('logger', Sahara_Logger::getInstance());
}
public function __construct($user)
{
$this->_user = $user;
$this->_logger = Sahara_Logger::getInstance();
}
