public function execute($api_key, $callback_url, $params)
{
$admin_client = RingsideSocialUtils::getAdminClient();
// TODO: SECURITY: Possibly security hole. We're signing and giving the signed payload to any URL, just by using the API key, which is public. A 3rd-party could hijack the signed payload and implement an offline brute force attack on the secret key
$app_props = $admin_client->admin_getAppProperties("application_id,application_name,api_key,secret_key,callback_url", null, null, $api_key);
// From RingsideSocialServerRender:
// Recreate Session if we have it
if (array_key_exists('social_session_key', $params)) {
$session_key = $params['social_session_key'];
$network_session = new RingsideSocialSession($session_key);
$uid = $network_session->getUserId();
if (null == $uid || strlen($uid) == 0) {
setcookie('social_session_key', $network_session->getSessionKey());
$uid = $_REQUEST['uid'];
$network_session->setUserId($uid);
$network_session->setLoggedIn(true);
}
} else {
if (isset($_COOKIE['PHPSESSID'])) {
// Optimization if user is already logged into web front-end
$network_session = new RingsideSocialSession($_COOKIE['PHPSESSID']);
$uid = $network_session->getUserId();
} else {
// Not logged in, so login via annonymous user
$trust = new RingsideSocialApiTrust($request);
$network_session = $trust->getAnonymousSession();
}
}
$ctx = self::buildCallContext($api_key, $network_session);
$sig_params = $ctx->getParameters($app_props['secret_key']);
$req_params = array_merge($params, $sig_params);
// error_log("Ajax Proxy to $callback_url with params:".var_export($req_params, true));
$result = RingsideSocialUtils::get_request($callback_url, $req_params, $headers);
echo str_replace('+', '+', $result);
}
public function execute($params)
{
$this->debug('Entering');
$this->debugVar($params);
$network_session = null;
/*
foreach($params as $k => $v)
{
error_log("RingsideSocialServerRender: $k=$v");
}
*/
// Recreate Session if we have it
error_log("Parameters for widget render are: " . var_export($params, true));
error_log("PHPSESSID=" . (isset($_COOKIE['PHPSESSID']) ? $_COOKIE['PHPSESSID'] : '<empty>'));
if (array_key_exists('social_session_key', $params)) {
$session_key = $params['social_session_key'];
$network_session = new RingsideSocialSession($session_key);
$uid = $network_session->getUserId();
if (null == $uid || strlen($uid) == 0) {
setcookie('social_session_key', $network_session->getSessionKey());
$uid = $network_session->getUserId();
if (isset($_REQUEST['uid'])) {
// TODO: SECURITY: I don't think we should just be able to override the uid.
$uid = $_REQUEST['uid'];
// TODO: SECURITY: This shouldn't be a valid way to log in.
$network_session->setUserId($uid);
$network_session->setLoggedIn(true);
}
}
} else {
if (isset($_COOKIE['PHPSESSID'])) {
// Optimization if user is already logged into web front-end
$network_session = new RingsideSocialSession($_COOKIE['PHPSESSID']);
error_log("PHPSESSID says session is as follows: " . var_export($network_session, true));
$uid = $network_session->getUserId();
if (!isset($uid)) {
// The user has a network session but is not logged in
// Run as an anonymous user
$trust = new RingsideSocialApiTrust($_REQUEST);
$network_session = $trust->getAnonymousSession();
}
} else {
// Not logged in, so login via annonymous user
$trust = new RingsideSocialApiTrust($_REQUEST);
$network_session = $trust->getAnonymousSession();
}
}
$api_session_key = $network_session->getApiSessionKey($params['api_key']);
if (null == $api_session_key) {
$rest = RingsideSocialUtils::getAdminClient();
$app_props = $rest->admin_getAppProperties(array('secret_key'), null, null, $params['api_key'], $network_session->getNetwork());
error_log("Adding API key for " . $params['api_key'] . " to social session for user " . $network_session->getUserID());
RingsideSocialUtils::getApiSessionKey($params['api_key'], $app_props['secret_key'], $network_session);
} else {
error_log("Using API session key {$api_session_key} for user " . $network_session->getUserID());
}
if (array_key_exists('method', $params)) {
$method = $params['method'];
if (strcasecmp($method, 'fbml') == 0 && array_key_exists('fbml', $params)) {
$fbml = $params['fbml'];
//error_log("fbml: $fbml");
$render = new RingsideSocialApiRenderFBML($params);
$result = $render->render($network_session, $fbml);
//error_log("content: ".$result['content']);
return isset($result['content']) ? $result['content'] : $result['error'];
} else {
if (strcasecmp($method, 'app') == 0) {
$social = new RingsideSocialClientLocal(RingsideWebConfig::$networkKey, null, $network_session->getSessionKey());
$inSession = $social->inSession();
error_log("User " . ($inSession ? 'is' : 'is not') . " in session");
if ($inSession) {
$path = '';
if (array_key_exists('path', $params)) {
$path = $params['path'];
}
$view = 'canvas';
if (array_key_exists('view', $params)) {
$view = $params['view'];
}
//error_log("About to render: ".$params['app']." view: $view, path: $path");
$rest = RingsideSocialUtils::getAdminClient();
$app_props = $rest->admin_getAppProperties(array('application_id', 'canvas_url'), null, null, $params['api_key'], null, $network_session->getNetwork());
$domain_props = $rest->admin_getDomainProperties(array('resize_url'), null, $network_session->getNetwork());
$content = $social->render($view, $app_props['application_id'], $app_props['canvas_url'], $path);
// TODO: Is this where error reporting should happen?
//error_log("content: $content");
if (isset($domain_props['resize_url'])) {
$content = "<html><head><script type=\"text/javascript\">\n function resizeIframe(id) {\n var iframe = document.getElementById( 'xdiframe' );\n var wrapper = document.getElementById( 'wrapper' );\n var height = Math.max( document.body.offsetHeight, document.body.scrollHeight );\n var width = Math.max( document.body.offsetWidth, document.body.scrollWidth );\n iframe.src = '{$domain_props['resize_url']}?height='+height+'&width='+width+'&id='+id;\n }\n</script></head><body onload=\"resizeIframe('if_" . $params['api_key'] . "');\">" . $content . "<iframe id='xdiframe' width='1' height='1' frameborder='0'/></body></html>";
}
return $content;
} else {
echo "<error>User not Logged in!</error>";
}
}
}
} else {
error_log("No method specified for render request");
}
}
/**
* Converts and auth token into an api session
*
* @param Array $params
*
*/
public static function trust_widget(&$params)
{
try {
$session_key = $params['social_session_key'];
$callback = null;
if (array_key_exists('auth_token', $params)) {
$auth_token = $params['auth_token'];
if (isset($auth_token)) {
$trust = new RingsideSocialApiTrust($params);
$callback = $trust->authorize();
}
} else {
if (array_key_exists('session', $params)) {
$this->debug("A facebook session object has been received" . $params['session'] . ". It will be adopted.");
$trust = new RingsideSocialApiTrust($params);
$callback = $trust->authorize();
$this->debug("callback is now {$callback}");
//$session_key = $params['social_session_key'];
} else {
if (array_key_exists('social_session_key', $params)) {
$session_key = $params['social_session_key'];
if (isset($session_key)) {
$network_session = new RingsideSocialSession($session_key);
$callback = $network_session->getCallbackUrl();
}
} else {
if (array_key_exists('api_key', $params) || array_key_exists('canvas_url', $params)) {
$trust = new RingsideSocialApiTrust($params);
$result = $trust->getAppProperties();
if ($result) {
$callback = isset($result['callback_url']) ? $result['callback_url'] : '';
}
} else {
if (array_key_exists('social_callback', $params)) {
$callback = $params['social_callback'];
}
}
}
}
}
if (isset($callback)) {
$decorated_callback = $callback;
if (defined($session_key)) {
if (strrpos($decorated_callback, '?') == 0) {
$decorated_callback = $decorated_callback . "?session_key={$session_key}";
} else {
$decorated_callback = $decorated_callback . "&session_key={$session_key}";
}
}
header("Cache-control: private");
header("Location: {$decorated_callback}");
exit;
}
return;
} catch (Exception $exception) {
error_log("Exception in Widget Trust: " . $exception->getMessage() . "\n" . $exception->getTraceAsString());
echo "<ERROR>" . $exception->getMessage() . "</ERROR>";
return;
}
}