public static function getInstance()
{
if (null === self::$_instance) {
require EXTERNAL_LIBRARY_PATH . "/PHP-on-Couch/lib/couch.php";
require EXTERNAL_LIBRARY_PATH . "/PHP-on-Couch/lib/couchClient.php";
require EXTERNAL_LIBRARY_PATH . "/PHP-on-Couch/lib/couchDocument.php";
$registry = Zend_Registry::getInstance();
$config = $registry->get("config");
$dsn = $config['resources']['db']['couchdb']['dsn'];
//start with a invalid database, always remember to set it before
//retrieving / saving a object as the library being used doesn't
//offer a better way to do right now
$client = new couchClient($dsn, "invalid");
self::$_instance = $client;
}
return self::$_instance;
}
/**
*
* Log important actions
* @param array $data with at least action key
* @param bool logPost whether to log POST data
*/
public function log(array $data, $logPost = false)
{
$auth = Zend_Auth::getInstance();
$couchDb = Ml_Model_CouchDb::getInstance();
if (!isset($data['action'])) {
throw new Exception("Action key doesn't exists in the data array.");
}
if (isset($data['server']) || isset($data['raw_post']) || isset($data['uid']) || isset($data['_id']) || isset($data['_rev'])) {
throw new Exception("Trying to use reserved log internal key.");
}
$data['server'] = filter_input_array(INPUT_SERVER, FILTER_UNSAFE_RAW);
if ($logPost) {
$data['raw_post'] = filter_input_array(INPUT_POST, FILTER_UNSAFE_RAW);
}
$data['uid'] = $auth->getIdentity();
$data['_id'] = Ml_Model_Request::getId();
$dataObject = Ml_Model_Types::arrayToObject($data);
$couchDb->useDatabase("actions_log");
$couchDb->storeDoc($dataObject);
}
/**
* Write session data
*
* @param string $id
* @param string $data
* @return boolean
*/
public function write($id, $data)
{
$auth = Zend_Auth::getInstance();
$registry = Zend_Registry::getInstance();
$config = $registry->get("config");
//if user is identified, save additional information
if ($auth->hasIdentity()) {
$frontController = Zend_Controller_Front::getInstance();
//if for some reason (which might be or not right) the script
//was earlier terminated before the creation of the response object
//don't try to retrieve the response object
if (is_object($frontController->getResponse())) {
$responseCode = $frontController->getResponse()->getHttpResponseCode();
} else {
$responseCode = '';
}
$requestInfo = array("http_user_agent" => (string) $_SERVER['HTTP_USER_AGENT'], "request_method" => (string) $_SERVER['REQUEST_METHOD'], "remote_addr" => (string) $_SERVER['REMOTE_ADDR'], "request_time" => (int) $_SERVER['REQUEST_TIME'], "request_method" => (string) $_SERVER['REQUEST_METHOD'], "request_uri" => (string) $_SERVER['REQUEST_URI'], "http_response_code" => (string) $responseCode, "session" => (string) $id, "uid" => (string) $auth->getIdentity());
$this->_cache->save($requestInfo, $this->_lastActivityPrefix . $id, array(), $this->_getLifetime($id));
if ($config['log']['requests']) {
$couchDb = Ml_Model_CouchDb::getInstance();
$requestInfo['_id'] = Ml_Model_Request::getId();
try {
$couchDb->useDatabase("web_access_log");
$couchDb->storeDoc((object) $requestInfo);
} catch (Exception $e) {
trigger_error('Failure to store authenticated access log of user id ' . $auth->getIdentity(), E_USER_NOTICE);
}
}
}
return parent::write($id, $data);
}