public function invalidateApplicationResources(array $uris, SecurityToken $token)
{
foreach ($uris as $uri) {
$request = new RemoteContentRequest($uri);
$this->cache->invalidate($request->toHash());
// GET
$request = new RemoteContentRequest($uri);
$request->createRemoteContentRequestWithUri($uri);
$this->cache->invalidate($request->toHash());
// GET & SIGNED
$request = new RemoteContentRequest($uri);
$request->setAuthType(RemoteContentRequest::$AUTH_SIGNED);
$request->setNotSignedUri($uri);
$this->cache->invalidate($request->toHash());
}
if (Doctrine::getTable('SnsConfig')->get('is_use_outer_shindig', false) && Doctrine::getTable('SnsConfig')->get('is_relay_invalidation_notice', true)) {
require_once 'OAuth.php';
$shindigUrl = Doctrine::getTable('SnsConfig')->get('shindig_url');
if (substr($shindigUrl, -1) !== '/') {
$shindigUrl .= '/';
}
$invalidateUrl = $shindigUrl . 'gadgets/api/rest/cache';
$key = Doctrine::getTable('SnsConfig')->get('shindig_backend_key');
$secret = Doctrine::getTable('SnsConfig')->get('shindig_backend_secret');
$consumer = new OAuthConsumer($key, $secret);
$oauthRequest = OAuthRequest::from_consumer_and_token($consumer, null, 'POST', $invalidateUrl);
$oauthRequest->set_parameter('xoauth_requestor_id', 1);
$oauthRequest->sign_request(new OAuthSignatureMethod_HMAC_SHA1(), $consumer, null);
$request = new RemoteContentRequest($invalidateUrl . '?xoauth_requestor_id=1');
$request->setMethod('POST');
$request->setContentType('application/json');
$request->setPostBody(json_encode(array('invalidationKeys' => $uris)));
$request->setHeaders($oauthRequest->to_header());
$request->getOptions()->ignoreCache = true;
$remoteContent = Shindig_Config::get('remote_content');
$fetcher = new $remoteContent();
$fetcher->fetch($request);
}
}
/**
* Get honest-to-goodness user data.
*/
private function fetchData()
{
try {
// TODO: it'd be better using $this->realRequest->getContentType(), but not set before hand. Temporary hack.
$postBody = $this->realRequest->getPostBody();
$url = $this->realRequest->getUrl();
$msgParams = array();
if (ShindigOAuthUtil::isFormEncoded($this->realRequest->getHeader("Content-Type")) && strlen($postBody) > 0) {
$entries = explode('&', $postBody);
foreach ($entries as $entry) {
$parts = explode('=', $entry);
if (count($parts) == 2) {
$msgParams[ShindigOAuthUtil::urldecode_rfc3986($parts[0])] = ShindigOAuthUtil::urldecode_rfc3986($parts[1]);
}
}
}
$method = $this->realRequest->getMethod();
$msgParams[self::$XOAUTH_APP_URL] = $this->authToken->getAppUrl();
// Build and sign the message.
$oauthRequest = $this->newRequestMessageMethod($method, $url, $msgParams);
$oauthParams = $this->filterOAuthParams($oauthRequest);
$newHeaders = array();
switch ($method) {
case 'POST':
if (empty($postBody) || count($postBody) == 0) {
$postBody = ShindigOAuthUtil::getPostBodyString($oauthParams);
} else {
$postBody = $postBody . "&" . ShindigOAuthUtil::getPostBodyString($oauthParams);
}
// To avoid 417 Response from server, adding empty "Expect" header
$newHeaders['Expect'] = '';
break;
case 'GET':
$url = ShindigOAuthUtil::addParameters($url, $oauthParams);
break;
}
// To choose HTTP method client requested, we don't use $this->createRemoteContentRequest() here.
$rcr = new RemoteContentRequest($url);
$rcr->createRemoteContentRequest($method, $url, $newHeaders, null, $this->realRequest->getOptions());
$rcr->setPostBody($postBody);
$remoteFetcherClass = Config::get('remote_content_fetcher');
$fetcher = new $remoteFetcherClass();
$content = $fetcher->fetchRequest($rcr);
$statusCode = $content->getHttpCode();
//TODO is there a better way to detect an SP error? For example: http://wiki.oauth.net/ProblemReporting
if ($statusCode == 401) {
$tokenKey = $this->buildTokenKey();
$this->tokenStore->removeTokenAndSecret($tokenKey);
} else {
if ($statusCode >= 400 && $statusCode < 500) {
$message = $this->parseAuthHeader(null, $content);
if ($message->get_parameter(ShindigOAuth::$OAUTH_PROBLEM) != null) {
throw new ShindigOAuthProtocolException($message);
}
}
}
// Track metadata on the response
$this->addResponseMetadata($content);
return $content;
} catch (Exception $e) {
throw new GadgetException("INTERNAL SERVER ERROR: " . $e);
}
}
private function signRequest(RemoteContentRequest $request)
{
$url = $request->getUrl();
$method = $request->getMethod();
try {
// Parse the request into parameters for OAuth signing, stripping out
// any OAuth or OpenSocial parameters injected by the client
$parsedUri = parse_url($url);
$resource = $url;
$contentType = $request->getHeader('Content-Type');
$signBody = stripos($contentType, 'application/x-www-form-urlencoded') !== false || $contentType == null;
$msgParams = array();
$postParams = array();
if ($request->getPostBody()) {
if ($signBody) {
// on normal application/x-www-form-urlencoded type post's encode and parse the post vars
parse_str($request->getPostBody(), $postParams);
$postParams = $this->sanitize($postParams);
} else {
// on any other content-type of post (application/{json,xml,xml+atom}) use the body signing hash
// see http://oauth.googlecode.com/svn/spec/ext/body_hash/1.0/drafts/4/spec.html for details
$msgParams['oauth_body_hash'] = base64_encode(sha1($request->getPostBody(), true));
}
}
if ($signBody && isset($postParams)) {
$msgParams = array_merge($msgParams, $postParams);
}
$this->addOpenSocialParams($msgParams, $request->getToken(), $request->getOptions()->ownerSigned, $request->getOptions()->viewerSigned);
$this->addOAuthParams($msgParams, $request->getToken());
$consumer = new OAuthConsumer(NULL, NULL, NULL);
$signatureMethod = new ShindigRsaSha1SignatureMethod($this->privateKeyObject, null);
$req_req = OAuthRequest::from_consumer_and_token($consumer, NULL, $method, $resource, $msgParams);
$req_req->sign_request($signatureMethod, $consumer, NULL);
// Rebuild the query string, including all of the parameters we added.
// We have to be careful not to copy POST parameters into the query.
// If post and query parameters share a name, they end up being removed
// from the query.
$forPost = array();
$postData = false;
if ($method == 'POST' && $signBody) {
foreach ($postParams as $key => $param) {
$forPost[$key] = $param;
if ($postData === false) {
$postData = array();
}
$postData[] = OAuthUtil::urlencode_rfc3986($key) . "=" . OAuthUtil::urlencode_rfc3986($param);
}
if ($postData !== false) {
$postData = implode("&", $postData);
}
}
$newQueryParts = array();
foreach ($req_req->get_parameters() as $key => $param) {
if (!isset($forPost[$key])) {
if (!is_array($param)) {
$newQueryParts[] = urlencode($key) . '=' . urlencode($param);
} else {
foreach ($param as $elem) {
$newQueryParts[] = urlencode($key) . '=' . urlencode($elem);
}
}
}
$newQuery = implode('&', $newQueryParts);
}
// Careful here; the OAuth form encoding scheme is slightly different than
// the normal form encoding scheme, so we have to use the OAuth library
// formEncode method.
$url = $parsedUri['scheme'] . '://' . $parsedUri['host'] . (isset($parsedUri['port']) ? ':' . $parsedUri['port'] : '') . (isset($parsedUri['path']) ? $parsedUri['path'] : '') . '?' . $newQuery;
$request->setUri($url);
if ($signBody) {
$request->setPostBody($postData);
}
} catch (Exception $e) {
throw new GadgetException($e);
}
}
/**
* Tests SigningFetcher->fetchRequest
*/
public function testFetchRequestWithEmptyPath()
{
$request = new RemoteContentRequest('http://example.org');
$request->setAuthType(RemoteContentRequest::$AUTH_SIGNED);
$request->setToken(BasicSecurityToken::createFromValues('owner', 'viewer', 'app', 'domain', 'appUrl', '1', 'default'));
$request->setPostBody('key=value&anotherkey=value');
$this->signingFetcher->fetchRequest($request);
$this->verifySignedRequest($request);
}
