Patrick Barroca
--- a/application/modules/push/controllers/MultimediaController.php
+++ b/application/modules/push/controllers/MultimediaController.php
+		if (null == ($sign = $this->_getParam('sign'))) {
+			$log->err('Missing sign parameter');
+			return;
+		}
+
+		if (!($infoUser = json_decode($json))) {
+			$log->err('Invalid json');
+			return;
+		}
+
+		if (!$multimedia->isValidHash($sign, $this->_getParam('json'))) {
+			$log->err('Sign check failure');
+			return;
+		}
+
+		$this->_response->setBody(Class_Multimedia_Users::getInstance()->createUser($infoUser));