public static function getInstance($sNamespace = null)
{
if (!isset(self::$instance)) {
self::$instance = new self($sNamespace);
}
return self::$instance;
}
/**
* Datenspeicherung Datenbank
* initialisieren (für 3-legged-oauth).
*
* @var array Parameters für die Datenbank (type,host,user,password,database)
* @var string Namespace für Variablen innerhalb der Session
* @var string Alternativer Name für den Tabellennamen
* @var boolean Für die Zertifizierung wird eine Session benötigt, das automatische laden der Session kann aber per false deaktiviert werden.
* @return boolean
*/
public function setDataStorage($aConnection, $sSessionNamespace = null, $sTableName = null, $bSession = true)
{
if ($bSession === true) {
require_once dirname(__FILE__) . '/Data/Session.php';
Immocaster_Data_Session::getInstance($sSessionNamespace);
}
$sFileName = ucfirst(strtolower($aConnection[0]));
require_once dirname(__FILE__) . '/Data/' . $sFileName . '.php';
return call_user_func(array('Immocaster_Data_' . $sFileName, 'getInstance'), $aConnection, $sTableName);
}
/**
* Applikation Accesstoken ermitteln
* und in Datenbank speichern (3-legged-oauth).
*
* @param array $aArgs
* @return void
*/
private function registerAccess($aArgs)
{
try {
if (Immocaster_Data_Mysql::getInstance()->getApplicationToken()) {
return false;
}
$oToken = Immocaster_Data_Mysql::getInstance()->getRequestToken(Immocaster_Data_Session::getInstance()->getVar('request_token'));
$token = new OAuthToken($oToken->ic_key, $oToken->ic_secret);
$req = parent::restRequest('oauth/access_token', array(), true);
$req->set_parameter('oauth_verifier', $_GET['oauth_verifier']);
$req->set_parameter('oauth_token', $oToken->ic_key);
$req->set_parameter('oauth_signature_method', "HMAC-SHA1");
$req->sign_request($this->_oSignatureMethod, $this->_oConsumer, $token);
$sConsKey = rawurlencode($this->_sConsumerSecret) . '&' . $oToken->ic_secret;
$sSignature = urlencode(base64_encode(hash_hmac('sha1', $req->get_signature_base_string(), $sConsKey, true)));
$authHeader = $req->to_header();
$opts = array('http' => array('header' => $authHeader . ',oauth_signature_method="HMAC-SHA1",oauth_signature="' . $sSignature . '"' . "\r\n" . 'User-Agent: ' . IMMOCASTER_USER_AGENT));
@($result = file_get_contents($this->_sUri . '/restapi/security/oauth/access_token', false, stream_context_create($opts)));
if (!$result) {
$this->registerRequest($aArgs);
return false;
}
$aAccessToken = Immocaster_Tools_Helper::makeArrayFromString($result);
if (Immocaster_Data_Mysql::getInstance()->saveApplicationToken($aAccessToken['oauth_token'], $aAccessToken['oauth_token_secret'])) {
return true;
}
} catch (Exception $e) {
echo $e->getMessage();
}
return false;
}
