Modx login with code

Modx login API.php

	if(trim($username) != "" and trim($password) != ""){
			// Load lexicons to show proper error messages
			if (!isset($modx->lexicon) || !is_object($modx->lexicon)) {
				$modx->getService('lexicon','modLexicon');
			}
			$modx->lexicon->load('login');

			$loginContext= isset ($scriptProperties['login_context']) ? $scriptProperties['login_context'] :
			$modx->context->get('key');

			$addContexts= isset ($scriptProperties['add_contexts']) && !empty($scriptProperties['add_contexts']) ? explode(',', $scriptProperties['add_contexts']) : array();

			$mgrEvents = ($loginContext == 'mgr');

			$givenPassword = $password;

			/** @var $user modUser */
			$user= $modx->getObjectGraph('modUser', '{"Profile":{},"UserSettings":{}}', array ('modUser.username' => $username));

			if (!$user) {
				$ru = $modx->invokeEvent("OnUserNotFound", array(
					'user' => &$user,
					'username' => $username,
					'password' => $password,
					'attributes' => array(
						'loginContext' => $loginContext,
					)
				));

				if (!empty($ru)) {
					foreach ($ru as $obj) {
						if (is_object($obj) && $obj instanceof modUser) {
							$user = $obj;
							break;
						}
					}
				}

				if (!is_object($user) || !($user instanceof modUser)) {
					echo json_encode(array("error" => "1", "code" => "5", "msg" => "Cannot find user"));
					exit;
				}
			}

			if (!$user->get('active')) {
					echo json_encode(array("error" => "1", "code" => "4", "msg" => "Account not activated"));
					exit;
				}

			if (!$user->passwordMatches($givenPassword)) {
				if (!array_key_exists('login_failed', $_SESSION)) {
					$_SESSION['login_failed'] = 0;
				}
				if ($_SESSION['login_failed'] == 0) {
					$flc = ((integer) $user->Profile->get('failedlogincount')) + 1;
					$user->Profile->set('failedlogincount', $flc);
					$user->Profile->save();
					$_SESSION['login_failed']++;
				} else {
					$_SESSION['login_failed'] = 0;
				}
					$app->response->setStatus(200);
					$app->response()->headers->set('Content-Type', 'applic ation/json');
					echo json_encode(array("error" => "1", "code" => "2", "msg" => "User not found"));	
					exit;
			}

				//$info['id'] = $row['id'];
				$info['id']		  = $user->Profile->get('id');
				$info['fullname'] = $user->Profile->get('fullname');
				$info['email']	  = $user->Profile->get('email');

				echo json_encode(array("error" => "0", "code" => "3", "msg" => json_encode($info) ));
		 }else{
				echo '{"error":"0","code" => "1", "msg":"Insufficiant data"}';
		 }