public function fetchRequest(RemoteContentRequest $request)
{
$outHeaders = array();
if ($request->hasHeaders()) {
$headers = explode("\n", $request->getHeaders());
foreach ($headers as $header) {
if (strpos($header, ':')) {
$key = trim(substr($header, 0, strpos($header, ':')));
$val = trim(substr($header, strpos($header, ':') + 1));
if (strcmp($key, "User-Agent") != 0 && strcasecmp($key, "Transfer-Encoding") != 0 && strcasecmp($key, "Cache-Control") != 0 && strcasecmp($key, "Expries") != 0 && strcasecmp($key, "Content-Length") != 0) {
$outHeaders[$key] = $val;
}
}
}
}
$outHeaders['User-Agent'] = "Shindig PHP";
$options = array();
$options['timeout'] = Shindig_Config::get('curl_connection_timeout');
// configure proxy
$proxyUrl = Shindig_Config::get('proxy');
if (!empty($proxyUrl)) {
$options['adapter'] = 'Zend_Http_Client_Adapter_Proxy';
$proxy = parse_url($proxyUrl);
if (isset($proxy['host'])) {
$options['proxy_host'] = $proxy['host'];
}
if (isset($proxy['port'])) {
$options['proxy_port'] = $proxy['port'];
}
if (isset($proxy['user'])) {
$options['proxy_user'] = $proxy['user'];
}
if (isset($proxy['pass'])) {
$options['proxy_pass'] = $proxy['pass'];
}
}
$client = new Zend_Http_Client();
$client->setConfig($options);
$client->setUri($request->getUrl());
$client->setHeaders($outHeaders);
if ($request->getContentType()) {
$client->setHeaders(Zend_Http_Client::CONTENT_TYPE, $request->getContentType());
}
if ($request->isPost()) {
$client->setMethod(Zend_Http_Client::POST);
$client->setRawData($request->getPostBody());
} else {
$client->setMethod(Zend_Http_Client::GET);
}
$response = $client->request();
$request->setHttpCode($response->getStatus());
$request->setContentType($response->getHeader('Content-Type'));
$request->setResponseHeaders($response->getHeaders());
$request->setResponseContent($response->getBody());
$request->setResponseSize(strlen($response->getBody()));
return $request;
}
/**
* Sets the headers and post body for the request if they are specified
*
* @param RemoteContentRequest $request
*/
private function setHeaders(RemoteContentRequest $request)
{
if ($request->hasHeaders()) {
$headers = explode("\n", $request->getHeaders());
$outHeaders = array();
foreach ($headers as $header) {
if (strpos($header, ':')) {
$key = trim(substr($header, 0, strpos($header, ':')));
$key = str_replace(' ', '-', ucwords(str_replace('-', ' ', $key)));
$val = trim(substr($header, strpos($header, ':') + 1));
if (!in_array($key, $this->disallowedHeaders)) {
$outHeaders[] = "{$key}: {$val}";
}
}
}
$outHeaders[] = "User-Agent: " . BasicRemoteContentFetcher::USER_AGENT;
curl_setopt($request->handle, CURLOPT_HTTPHEADER, $outHeaders);
}
$method = $request->getMethod();
if ($request->isPost()) {
curl_setopt($request->handle, CURLOPT_POST, 1);
curl_setopt($request->handle, CURLOPT_POSTFIELDS, $request->getPostBody());
} else {
if ($method == 'DELETE' || $method == 'HEAD' || $method == 'PUT') {
curl_setopt($request->handle, CURLOPT_CUSTOMREQUEST, $method);
if ($method == "PUT") {
curl_setopt($request->handle, CURLOPT_POSTFIELDS, $request->getPostBody());
}
}
}
}
/**
* Get honest-to-goodness user data.
*/
private function fetchData()
{
try {
$msgParams = OAuthUtil::isFormEncoded($this->realRequest->getContentType()) ? OAuthUtil::urldecodeRFC3986($this->realRequest->getPostBody()) : array();
$method = $this->realRequest->getMethod();
$msgParams[self::$XOAUTH_APP_URL] = $this->authToken->getAppUrl();
// Build and sign the message.
$oauthRequest = $this->newRequestMessageMethod($method, $this->realRequest->getUrl(), $msgParams);
$rcr = $this->createRemoteContentRequest($this->filterOAuthParams($oauthRequest), $this->realRequest->getMethod(), $this->realRequest->getUrl(), $this->realRequest->getHeaders(), $this->realRequest->getContentType(), $this->realRequest->getPostBody(), $this->realRequest->getOptions());
//TODO is there a better way to detect an SP error?
$remoteFetcherClass = Shindig_Config::get('remote_content_fetcher');
$fetcher = new $remoteFetcherClass();
$content = $fetcher->fetchRequest($rcr);
$statusCode = $content->getHttpCode();
if ($statusCode >= 400 && $statusCode < 500) {
$message = $this->parseAuthHeader(null, $content);
if ($message->get_parameter(OAuth::$OAUTH_PROBLEM) != null) {
throw new OAuthProtocolException($message);
}
}
// Track metadata on the response
$this->addResponseMetadata($content);
return $content;
} catch (Exception $e) {
throw new GadgetException("INTERNAL SERVER ERROR: " . $e);
}
}
