<?php
/**
* Kickapps Auth Adapter
*
* This is an auth adapter that will autheticate a user via the
* kickapps API and if authenticated it will set the required kickpps
* tokens, etc. in the Zend_Auth session namespace
*
* @author Ron Dobley
* @version $Id: KickappsAuthAdapter.php 179 2009-03-30 16:25:14Z ron $
*/

class Kickapps_KickappsAuthAdapter implements Zend_Auth_Adapter_Interface {

	private $_username;
	private $_password;

	/**
	* Constructor
	*
	* @param object $payload the kickapps getToken response payload
	*/
	public function __construct($username,$password) {
		$this->_username = $username;
		$this->_password = $password;
	}

	public function authenticate() {

		//first we get a valid token for the user via the rest api
		$restClient = new Kickapps_RestClient();
		$restPayload = $restClient->getToken($this->_username, $this->_password);
		$restPayload = Zend_Json::decode($restPayload,Zend_Json::TYPE_OBJECT);
		//Zend_Debug::dump($restPayload);

		if(isset($restPayload->TOKEN)) {

			//if we have a token, use the SOAP SSO to login
			$soapClient = new Kickapps_SoapClient();
			$soapPayload = $soapClient->login($this->_username, $restPayload->email);
			//Zend_Debug::dump($soapPayload);
			$xmlSoapResponse = new DOMDocument('1.0', 'UTF-8');
			$xmlSoapResponse->loadXML($soapPayload);
			$root = &$xmlSoapResponse->documentElement;
			//sessionToken
			$attr = $root->getElementsByTagName('Param');
			$attr = $attr->item(1);
			$sessionToken = $attr->getAttribute("paramValue");
			//transactionId
			$attr = $root->getElementsByTagName('Param');
			$attr = $attr->item(2);
			$transactionId = $attr->getAttribute("paramValue");

			if($sessionToken) {
				//set some additional session vars
				$zendAuthSess = new Zend_Session_Namespace('Zend_Auth');
				$zendAuthSess->restToken = $restPayload->TOKEN;
				$zendAuthSess->sessionToken = $sessionToken;
				$zendAuthSess->transactionId = $transactionId;
				$zendAuthSess->userId = $restPayload->userId;
				$zendAuthSess->email = $restPayload->email;

				return new Zend_Auth_Result(Zend_Auth_Result::SUCCESS,$this->_username);
			}
		}

		return new Zend_Auth_Result(Zend_Auth_Result::FAILURE,$this->_username);

	}

}