/**
* Constructor.
*
* @param string $backend Backend type, currently 'mysql' or 'redshift' is accepted.
* @param string $token Storage API token.
* @param string $runId Storage API run Id.
* @param string $url
*/
public function __construct($backend, $token, $runId, $url = 'https://syrup.keboola.com/provisioning')
{
$this->setBackend($backend);
$this->setToken($token);
$this->setRunId($runId);
$client = new \Guzzle\Http\Client($url);
$client->getConfig()->set('curl.options', array(CURLOPT_TIMEOUT => $this->timeout));
$maintenanceBackoff = new BackoffPlugin(new TruncatedBackoffStrategy(10, new MaintenanceBackoffStrategy(array(503), new CurlBackoffStrategy(CurlBackoffStrategy::getDefaultFailureCodes(), new ExponentialBackoffStrategy()))));
$client->addSubscriber($maintenanceBackoff);
$this->client = $client;
}
/**
* Overrides Drupal core HTTP request function with Guzzle.
*
* @see drupal_http_request()
*/
function bangpound_drupal_http_request($url, array $options = array())
{
$result = new stdClass();
// Parse the URL and make sure we can handle the schema.
$uri = @parse_url($url);
if ($uri == FALSE) {
$result->error = 'unable to parse URL';
$result->code = -1001;
return $result;
}
if (!isset($uri['scheme'])) {
$result->error = 'missing schema';
$result->code = -1002;
return $result;
}
timer_start(__FUNCTION__);
// Merge the default options.
$options += array('headers' => array(), 'method' => 'GET', 'data' => NULL, 'max_redirects' => 3, 'timeout' => 30.0, 'context' => NULL);
// Merge the default headers.
$options['headers'] += array('User-Agent' => 'Drupal (+http://drupal.org/)');
// Concessions to Guzzle.
if (isset($options['data'])) {
$options['body'] = $options['data'];
}
if (!$options['max_redirects']) {
$options['allow_redirects'] = FALSE;
}
// Use a proxy if one is defined and the host is not on the excluded list.
$proxy_server = variable_get('proxy_server', '');
if ($proxy_server && _drupal_http_use_proxy($uri['host'])) {
// Set the scheme so we open a socket to the proxy server.
$uri['scheme'] = 'proxy';
// Set the path to be the full URL.
$uri['path'] = $url;
// Since the URL is passed as the path, we won't use the parsed query.
unset($uri['query']);
// Add in username and password to Proxy-Authorization header if needed.
if ($proxy_username = variable_get('proxy_username', '')) {
$proxy_password = variable_get('proxy_password', '');
$options['headers']['Proxy-Authorization'] = 'Basic ' . base64_encode($proxy_username . (!empty($proxy_password) ? ":" . $proxy_password : ''));
}
// Some proxies reject requests with any User-Agent headers, while others
// require a specific one.
$proxy_user_agent = variable_get('proxy_user_agent', '');
// The default value matches neither condition.
if ($proxy_user_agent === NULL) {
unset($options['headers']['User-Agent']);
} elseif ($proxy_user_agent) {
$options['headers']['User-Agent'] = $proxy_user_agent;
}
}
// Make sure the socket opened properly.
// @todo Migrate error checking.
// If the server URL has a user then attempt to use basic authentication.
// @todo Migrate authentication.
// If the database prefix is being used by SimpleTest to run the tests in a copied
// database then set the user-agent header to the database prefix so that any
// calls to other Drupal pages will run the SimpleTest prefixed database. The
// user-agent is used to ensure that multiple testing sessions running at the
// same time won't interfere with each other as they would if the database
// prefix were stored statically in a file or database variable.
$test_info =& $GLOBALS['drupal_test_info'];
if (!empty($test_info['test_run_id'])) {
$options['headers']['User-Agent'] = drupal_generate_test_ua($test_info['test_run_id']);
}
// Calculate how much time is left of the original timeout value.
$timeout = $options['timeout'] - timer_read(__FUNCTION__) / 1000;
if ($timeout > 0) {
/** @see \Guzzle\Http\StaticClient::request() */
static $client;
if (!$client) {
$client = new \Guzzle\Http\Client();
}
$request = $client->createRequest($options['method'], $url, null, null, $options);
if ($options['max_redirects']) {
$client->getConfig()->set('redirect.max', $options['max_redirects']);
}
if (isset($options['stream'])) {
if ($options['stream'] instanceof \Guzzle\Stream\StreamRequestFactoryInterface) {
$response = $options['stream']->fromRequest($request);
} elseif ($options['stream'] == true) {
$streamFactory = new \Guzzle\Stream\PhpStreamRequestFactory();
$response = $streamFactory->fromRequest($request);
}
} else {
$response = $request->send();
}
$result->request = $request->__toString();
} else {
$result->code = HTTP_REQUEST_TIMEOUT;
$result->error = 'request timed out';
return $result;
}
if (isset($response)) {
// Parse response headers from the response body.
// Be tolerant of malformed HTTP responses that separate header and body with
// \n\n or \r\r instead of \r\n\r\n.
$result->data = $response->getBody(true);
// Parse the response status line.
$result->protocol = $response->getProtocol() . '/' . $response->getProtocolVersion();
$result->status_message = $response->getReasonPhrase();
$result->headers = array_map(function ($input) {
return (string) $input;
}, $response->getHeaders()->getAll());
$result->code = $response->getStatusCode();
switch ($result->code) {
case 200:
// OK
// OK
case 304:
// Not modified
break;
case 301:
// Moved permanently
// Moved permanently
case 302:
// Moved temporarily
// Moved temporarily
case 307:
// Moved temporarily
// $result->redirect_code = $code;
// $result->redirect_url = $location;
break;
default:
$result->error = $response->getReasonPhrase();
}
}
return $result;
}
