public function doGet()
{
try {
if (empty($_GET['url'])) {
throw new GadgetException("Missing required parameter: url");
}
$this->context = new GadgetContext('GADGET');
$gadgetSigner = Config::get('security_token_signer');
$gadgetSigner = new $gadgetSigner();
try {
$token = $this->context->extractAndValidateToken($gadgetSigner);
} catch (Exception $e) {
// no token given, this is a fatal error if 'render_token_required' is set to true
if (Config::get('render_token_required')) {
$this->showError($e);
} else {
$token = '';
}
}
$gadgetSpecFactory = new GadgetFactory($this->context, $token);
$gadget = $gadgetSpecFactory->createGadget();
$this->setCachingHeaders();
$this->renderGadget($gadget);
} catch (Exception $e) {
$this->showError($e);
}
}
/**
* fetch a OpenSocial application metadata
*
* @param string $url
* @param string $culture
*/
public static function fetchGadgetMetadata($url, $culture)
{
$cul = explode('_', $culture);
$_GET['nocache'] = 1;
$context = new MetadataGadgetContext(self::arrayToObject(array('country' => isset($cul[1]) ? $cul[1] : 'ALL', 'language' => $cul[0], 'view' => 'default', 'container' => 'openpne')), $url);
$gadgetServer = new GadgetFactory($context, null);
$gadgets = $gadgetServer->createGadget();
return $gadgets;
}
public function process($requests)
{
$response = array();
foreach ($requests->gadgets as $gadget) {
try {
$gadgetUrl = $gadget->url;
$gadgetModuleId = $gadget->moduleId;
$context = new MetadataGadgetContext($requests->context, $gadgetUrl);
$token = $this->getSecurityToken();
$gadgetServer = new GadgetFactory($context, $token);
$gadget = $gadgetServer->createGadget($gadgetUrl);
$response[] = $this->makeResponse($gadget, $gadgetModuleId, $gadgetUrl, $context);
} catch (Exception $e) {
$response[] = array('errors' => array($e->getMessage()), 'moduleId' => $gadgetModuleId, 'url' => $gadgetUrl);
}
}
return $response;
}
/**
* Uses the GadgetFactory to instrance the specified gadget
*
* @param string $gadgetUrl
*/
private function createGadget($gadgetUrl)
{
// Only include these files if appropiate, else it would slow down the entire proxy way to much
require_once 'src/gadgets/GadgetSpecParser.php';
require_once 'src/gadgets/GadgetBlacklist.php';
require_once 'src/gadgets/sample/BasicGadgetBlacklist.php';
require_once 'src/gadgets/GadgetContext.php';
require_once 'src/gadgets/GadgetFactory.php';
require_once 'src/gadgets/GadgetSpec.php';
require_once 'src/gadgets/Gadget.php';
require_once 'src/gadgets/GadgetException.php';
require_once 'src/gadgets/rewrite/GadgetRewriter.php';
require_once 'src/gadgets/rewrite/DomRewriter.php';
require_once 'src/gadgets/rewrite/ContentRewriter.php';
// make sure our context returns the gadget url and not the proxied document url
$this->context->setUrl($gadgetUrl);
// and create & return the gadget
$gadgetSpecFactory = new GadgetFactory($this->context, null);
$gadget = $gadgetSpecFactory->createGadget();
return $gadget;
}
public function __construct(GadgetContext $context, $token)
{
parent::__construct($context, $token);
}
