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('+', '+', $result);
}
private static function determineAppCanvasUrl(&$params)
{
//get the api_key for the app and retrieve the current canvas
$admin_rest = RingsideSocialUtils::getAdminClient();
$appKey = isset($_REQUEST['api_key']) ? $_REQUEST['api_key'] : NULL;
$props = $admin_rest->admin_getAppProperties("canvas_url", null, NULL, $appKey);
if ($props != null) {
$params['app'] = $props["canvas_url"];
} else {
throw new Exception('unknown application key supplied: ' . $params['appKey']);
}
}
public function execute()
{
// TODO: This ONLY will work if API and Social tiers are co-located!
$response = array();
// Finish the API session, because we need to start a social session
session_regenerate_id(true);
$_SESSION = array();
$network_session = new RingsideSocialSession();
$rest = RingsideSocialUtils::getAdminClient();
$session_key = $rest->auth_createAppSession($this->uid, RingsideSocialConfig::$apiKey, false);
$network_session->addApiSessionKey(RingsideSocialConfig::$apiKey, $session_key);
$network_session->setNetwork($this->user_network_key);
//$network_session->addApiSessionKey($apiKey, $session_key);
$network_session->setUserId($this->uid);
// TODO: Do user identity mapping right now
//$network_session->setPrincipalId($pid);
//$network_session->setTrust($trust_key);
//$network_session->setCallbackUrl($social_callback);
$network_session->setLoggedIn(true);
$response[self::RESPONSE_SOCIAL_SESSION]['session_id'] = $network_session->getSessionKey();
$response[self::RESPONSE_SOCIAL_SESSION]['initial_expiry'] = $network_session->getExpiry();
session_write_close();
return $response;
}
/**
* Convenience method which will look up an apps secret given that its api_key was provided
* when the token was constructed.
*
* @return unknown api_secret
*/
public function getAppSecret()
{
$adminClient = RingsideSocialUtils::getAdminClient();
$api_key = $this->getAppId();
$app_properties = $adminClient->admin_getAppProperties(array('api_key', 'secret_key', 'canvas_url'), null, null, $api_key);
$secretKey = $app_properties['secret_key'];
return $secretKey;
}
public function execute(RingsideSocialClientInterface $socialClient)
{
$coreApp = $this->canvasUrl != null ? $this->plugin($this->canvasUrl) : false;
$text = 'empty';
$status = 200;
$callback = '';
// if this is not a core (aka system) app, then make a remote call to the remote app
// otherwise, render the results of the system app via a local call
if ($coreApp === false) {
$text = null;
try {
$adminClient = RingsideSocialUtils::getAdminClient();
$result = $adminClient->admin_getAppProperties("application_name,use_iframe,api_key,secret_key,callback_url,application_id", $this->appId, $this->canvasUrl, null, $socialClient->getCurrentNetwork());
$callback = isset($result['callback_url']) ? $result['callback_url'] : '';
$apiKey = isset($result['api_key']) ? $result['api_key'] : '';
$apiSecret = isset($result['secret_key']) ? $result['secret_key'] : '';
$canvasType = isset($result['use_iframe']) ? $result['use_iframe'] : '';
$applicationid = isset($result['application_id']) ? $result['application_id'] : '';
$networkSession = $socialClient->getNetworkSession();
$principalId = $networkSession->getPrincipalId();
$apiSessionKeyApp = RingsideSocialUtils::getApiSessionKey($apiKey, $apiSecret, $socialClient->getNetworkSession());
$apiClientApplication = new RingsideApiClientsRest($apiKey, $apiSecret, $apiSessionKeyApp, null, $socialClient->getCurrentNetwork());
$isAppAdded = false;
if ($socialClient->inSession()) {
$isAppAdded = $apiClientApplication->users_isAppAdded();
$idmaps = $apiClientApplication->users_mapToPrincipal(array($socialClient->getCurrentUser()));
$nuser = null;
if (!empty($idmaps) && null != $socialClient->getCurrentUser()) {
foreach ($idmaps as $idmap) {
if ($idmap['uid'] == $socialClient->getCurrentUser()) {
$nuser = $idmap['pid'];
}
}
}
// TODO: Move setting network user in network session into login.php and map.php?
$networkSession->setPrincipalId($nuser);
}
$headers = array();
$fbmlText = $this->renderRemote($callback, $apiKey, $apiSecret, $canvasType, $isAppAdded, $apiSessionKeyApp, $socialClient, $headers, $status);
// error_log("Status for $callback is $status");
if ($fbmlText !== null && !empty($fbmlText)) {
if (strncmp($headers['content-type'], 'text/html', 9) === 0) {
$this->raw = false;
$text = $this->renderFbml($fbmlText, $socialClient->getNetworkSession(), $apiClientApplication, $applicationid);
// Need $socialUrl
if (include 'LocalSettings.php') {
$extra_end_scripts = <<<EOF
<script type='text/javascript'><!--
if ( typeof Ajax != 'undefined' ) {
Ajax.API_KEY='{$apiKey}';
Ajax.RENDER_URL='{$socialUrl}/render.php';
Ajax.PROXY_URL='{$socialUrl}/proxyjs.php';
}
//--></script>
EOF;
// These are ONLY emitted for FBML remote applications to support FBJS!
$text .= $extra_end_scripts;
}
} else {
if (strncmp($headers['content-type'], 'text/', 5) === 0) {
// Send all other text (text/xml, text/css, etc.) back raw
$this->raw = true;
$text = $fbmlText;
} else {
error_log("No way to handle content type " . $headers['content-type']);
$this->error = RingsideSocialUtils::SOCIAL_ERROR_RENDER_EXCEPTION;
}
}
} else {
if ($status < 200) {
$text = "The application did not finish processing prior to the timeout.";
} else {
if ($status < 300) {
$text = "The application returned an HTTP status code of 200 but no content.";
} else {
if ($status < 400) {
$text = "The application returned too many redirects.";
} else {
if ($status < 500) {
$text = "The application is configured to point to an incorrect page.";
} else {
if ($status < 600) {
$text = "The application encountered an error during processing.";
}
}
}
}
}
}
} catch (Exception $exception) {
error_log("Remote Render Exception : " . $exception->getMessage());
error_log($exception->getTraceAsString());
$this->error = RingsideSocialUtils::SOCIAL_ERROR_NO_SUCH_PAGE;
}
} else {
// making a request to a local system app
try {
$apiSessionKey = RingsideSocialUtils::getApiSessionKey(RingsideSocialConfig::$apiKey, RingsideSocialConfig::$secretKey, $socialClient->getNetworkSession());
$apiClientSocial = new RingsideApiClientsRest(RingsideSocialConfig::$apiKey, RingsideSocialConfig::$secretKey, $apiSessionKey);
$callback = "System Application " . $this->canvasUrl;
error_log("Rendering system application {$callback}");
$fbmlText = $this->renderLocal(RingsideSocialConfig::$apiKey, RingsideSocialConfig::$secretKey, $apiSessionKey, $socialClient);
if (isset($coreApp->canvas_type) && $coreApp->canvas_type == RingsideAppsCommon::CANVASTYPE_IFRAME) {
$text = $fbmlText;
} else {
if ($socialClient->inSession()) {
$apiSessionKey = RingsideSocialUtils::getApiSessionKey(RingsideSocialConfig::$apiKey, RingsideSocialConfig::$secretKey, $socialClient->getNetworkSession());
$apiClientSocial = new RingsideApiClientsRest(RingsideSocialConfig::$apiKey, RingsideSocialConfig::$secretKey, $apiSessionKey);
}
$text = $this->renderFbml($fbmlText, $socialClient->getNetworkSession(), $apiClientSocial, $socialClient->getCurrentUser());
}
} catch (Exception $exception) {
error_log("Remote Local Exception : " . $exception->getMessage());
error_log($exception->getTraceAsString());
$this->error = RingsideSocialUtils::SOCIAL_ERROR_NO_SUCH_PAGE;
}
}
$response = array();
if (!empty($text)) {
$response['content'] = $text;
}
if ($this->iframe != null) {
$response['iframe'] = $this->iframe;
}
if ($this->redirect != null) {
$response['redirect'] = $this->redirect;
}
if ($this->error != null) {
$response['error'] = $this->error;
}
$response['status'] = $status;
if (empty($response)) {
$response['error'] = "The URL {$callback} returned no data";
}
$response['raw'] = $this->raw;
return $response;
}
public function execute($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");
}
}
$snid = isset($_REQUEST['snid']) ? $_REQUEST['snid'] : null;
$api_key = isset($_REQUEST['api_key']) ? $_REQUEST['api_key'] : null;
$canvas = isset($_REQUEST['canvas']) ? true : false;
$network = isset($_REQUEST['network']) ? true : false;
$social_session_key = isset($_REQUEST['social_session_key']) ? $_REQUEST['social_session_key'] : null;
$sig = '';
$network_session = null;
$authorities = null;
try {
// We are expecting a social session key in the request, this can help us understand the current map request
// the network it is coming from and more.
// In the map process not sure where we need this, but its good to load it here.
$network_session = new RingsideSocialSession($social_session_key);
// The mapping process is happening relative to some NETWORK, the user might not be logged in to the DEPLOYED NETWORK.
// And we should not care. However we have to ask some system questions.
$ringside_rest = RingsideSocialUtils::getAdminClient($snid);
$authorities = $ringside_rest->admin_getTrustInfo();
} catch (Exception $e) {
include "ringside/templates/error.tpl";
return;
}
$this_authority = null;
foreach ($authorities as $authority) {
if ($authority['trust_key'] == $snid) {
$this_authority = $authority;
break;
}
}
$hiddenInputs = <<<heredoc
<input type="hidden" name="method" value="bindmap" />
<input type="hidden" name="next" value="{$next}" />
/**
* Re-routes an api request to another network. If trust.php is used as a rest server URL
* and a path info is provided such that the request looks like the one below:
*
* http://localhost/trust.php/facebook/footprints/restserver.php
* or
* http://localhost/trust.php/{network}/{canvas url}/{restserver path}
*
* Attempts to remap and resign the api call using the app's secret on the new network
* and then to change the uid to the equivelent uid on the forgin network.
*
* The api call is then re-signed and issued and the response is returned.
*
* @param unknown_type $params
*/
private static function proxy_app_request(&$params)
{
$matches = array();
// All these special cases are to ensure we aren't adding an additional "/" character to the URL.
preg_match(',^/([^/]*)/([^/]*)(/?.*)$,', $_SERVER['PATH_INFO'], $matches);
$network_key = $matches[1];
$canvas_url = $matches[2];
$rest = $matches[3];
if ($rest == '') {
$rest = '/';
}
if ($network_key != RingsideSocialConfig::$apiKey) {
$skey = isset($_REQUEST['fb_sig_session_key']) ? $_REQUEST['fb_sig_session_key'] : '';
$apiKey = isset($_REQUEST['fb_sig_api_key']) ? $_REQUEST['fb_sig_api_key'] : '';
$ringside_rest = self::createRestClient($params['fb_sig_session_key']);
$admin_rest = RingsideSocialUtils::getAdminClient();
$props = $admin_rest->admin_getAppProperties("application_id,application_name,api_key,secret_key,callback_url", null, $canvas_url, NULL);
$network_app_props = $admin_rest->admin_getAppKeys(null, null, $props['api_key']);
$network_api_key = $props['api_key'];
$network_secret = $props['secret_key'];
self::getApiKeyAndSecretForNetwork($network_key, $network_app_props, $network_api_key, $network_secret);
$network_session = new RingsideSocialSession($params['fb_sig_session_key']);
$idmaps = $ringside_rest->users_mapToPrincipal(array($params['fb_sig_user']), $network_key, $props['application_id']);
// Create openFB request. These are just overrides for the original request.
$has_fb_sig = isset($params['fb_sig']);
$cbReq = array();
// We can't append fb_sig unless Facebook has already passed fb_sig; this would prevent the app's client from creating a session during login
if ($has_fb_sig) {
if (isset($params['fb_sig_nuser'])) {
// Since we're proxying a request, do NOT forward the user mapping!
unset($params['fb_sig_nuser']);
}
$cbReq['fb_sig_flavor'] = 'canvas';
// $cbReq['fb_sig_in_iframe'] = 0;
$cbReq['fb_sig_nid'] = $network_key;
// The social session key needs to be for _this_ social session!
$cbReq['fb_sig_soc_session_key'] = $network_session->getSessionKey();
if (!empty($idmaps) && isset($idmaps[0]) && $idmaps[0] !== null) {
$cbReq['fb_sig_nuser'] = $idmaps[0]['pid'];
}
}
// error_log("cbReq social session key is {$cbReq['fb_sig_soc_session_key']}; params is $fb_sig_soc_session_key");
// TODO: Set up social session key for trust-based proxy
// $cbReq['fb_sig_soc_session_key'] = ;
$req_params = array_merge($params, $cbReq);
error_log("Invoking {$canvas_url} with params: " . var_export($req_params, true));
// Now, we need to re-sign the parameters, since we've added the "nid" and "nuser" fb_sig params
if ($has_fb_sig) {
unset($req_params['fb_sig']);
$sig = RingsideSocialUtils::makeSig($req_params, $network_secret, 'fb_sig');
$req_params['fb_sig'] = $sig;
}
// error_log("Logged in user is principal ".$pids[0]);
// error_log("Proxying to app callback URL ".$props['callback_url']);
$headers = array();
$callback_url = self::safe_append_url($props['callback_url'], $rest);
$result = RingsideSocialUtils::get_request($callback_url, $req_params, $headers);
// error_log("Result: $result");
if (isset($headers['location'])) {
$proxy_redir_url = self::buildProxyUrl($props['callback_url'], $headers['location']);
error_log("Proxying for redirect to {$proxy_redir_url}");
// Build the remote network's callback_url
// We'll redirect _within_ the frame (the commented-out script will redirect the _top_ of the frame
if (isset($params['fb_sig_in_iframe']) && 0 != $params['fb_sig_in_iframe']) {
// RingsideWebUtils::redirect($headers['location']);
$apps_url = RingsideApiClientsConfig::$webUrl . '/canvas.php';
if ($nid == 'facebook') {
$apps_url = 'http://apps.facebook.com/';
}
// $real_location = self::buildProxyUrl($props['callback_url'], $headers['location']);
// echo "<script>top.location.href='".$real_location."';</script>";
RingsideWebUtils::redirect($proxy_redir_url);
} else {
// $real_location = self::buildProxyUrl($props['callback_url'], $headers['location']);
if (isset($params['fb_sig_in_canvas']) && 0 != $params['fb_sig_in_canvas']) {
echo "<fb:redirect url='{$proxy_redir_url}'/>";
} else {
RingsideWebUtils::redirect($proxy_redir_url);
}
}
return;
}
echo $result;
return;
}
// Map network user to principal
// Rewrite fb_sig
// Proxy to callback_url
echo '<ERROR>Unknown Callback_Url!</ERROR>';
}
<?php
/**
* Document this file.
*
* @author Jason Kinner <*****@*****.**>
*/
require_once 'ringside/api/clients/RingsideApiClients.php';
require_once 'ringside/social/RingsideSocialUtils.php';
if (isset($_REQUEST['social_session_key'])) {
$client = RingsideSocialUtils::getAdminClient();
$domain_info = $client->admin_getDomainProperties(array('secret_key'), null, $_REQUEST['network_key']);
error_log("For network " . $_REQUEST['network_key'] . ", the values are: " . var_export($domain_info, true));
$secret = $domain_info['secret_key'];
$params = array('social_session_key' => $_GET['social_session_key'], 'next' => $_GET['next']);
error_log("Verifying signature with params: " . var_export($params, true) . " and secret '{$secret}'");
$check_sig = Facebook::generate_sig($params, $secret);
if ($check_sig == $_REQUEST['sig']) {
$social_session_key = $_GET['social_session_key'];
error_log("Site connect signature verified. Setting cookie.");
setcookie('PHPSESSID', $social_session_key);
$next = $_REQUEST['next'];
// TODO: Think about restricting this redirect to the registered site's domain, like app login redirection
if (strpos($next, '?') !== false) {
$next .= "&";
} else {
$next .= "?";
}
$params = array('sc_social_session_key' => $social_session_key, 'sc_sig' => Facebook::generate_sig(array('social_session_key' => $social_session_key), $domain_info['secret']));
$next .= http_build_query($params);
header('Location: ' . $next, null, 302);
