private function modifyRedirectRequest(RequestInterface $request, ResponseInterface $response)
{
$config = $request->getConfig();
$protocols = $config->getPath('redirect/protocols') ?: ['http', 'https'];
// Use a GET request if this is an entity enclosing request and we are
// not forcing RFC compliance, but rather emulating what all browsers
// would do.
$statusCode = $response->getStatusCode();
if ($statusCode == 303 || $statusCode <= 302 && $request->getBody() && !$config->getPath('redirect/strict')) {
$request->setMethod('GET');
$request->setBody(null);
}
$previousUrl = $request->getUrl();
$this->setRedirectUrl($request, $response, $protocols);
$this->rewindEntityBody($request);
// Add the Referer header if it is told to do so and only
// add the header if we are not redirecting from https to http.
if ($config->getPath('redirect/referer') && ($request->getScheme() == 'https' || $request->getScheme() == $config['redirect_scheme'])) {
$url = Url::fromString($previousUrl);
$url->setUsername(null);
$url->setPassword(null);
$request->setHeader('Referer', (string) $url);
} else {
$request->removeHeader('Referer');
}
}
/**
* Creates a Ring request from a request object.
*
* This function does not hook up the "then" and "progress" events that
* would be required for actually sending a Guzzle request through a
* RingPHP handler.
*
* @param RequestInterface $request Request to convert.
*
* @return array Converted Guzzle Ring request.
*/
public static function createRingRequest(RequestInterface $request)
{
$options = $request->getConfig()->toArray();
$url = $request->getUrl();
// No need to calculate the query string twice (in URL and query).
$qs = ($pos = strpos($url, '?')) ? substr($url, $pos + 1) : null;
return ['scheme' => $request->getScheme(), 'http_method' => $request->getMethod(), 'url' => $url, 'uri' => $request->getPath(), 'headers' => $request->getHeaders(), 'body' => $request->getBody(), 'version' => $request->getProtocolVersion(), 'client' => $options, 'query_string' => $qs, 'future' => isset($options['future']) ? $options['future'] : false];
}
private function addExpectHeader(RequestInterface $request, StreamInterface $body)
{
// Determine if the Expect header should be used
if ($request->hasHeader('Expect')) {
return;
}
$expect = $request->getConfig()['expect'];
// Return if disabled or if you're not using HTTP/1.1
if ($expect === false || $request->getProtocolVersion() !== '1.1') {
return;
}
// The expect header is unconditionally enabled
if ($expect === true) {
$request->setHeader('Expect', '100-Continue');
return;
}
// By default, send the expect header when the payload is > 1mb
if ($expect === null) {
$expect = 1048576;
}
// Always add if the body cannot be rewound, the size cannot be
// determined, or the size is greater than the cutoff threshold
$size = $body->getSize();
if ($size === null || $size >= (int) $expect || !$body->isSeekable()) {
$request->setHeader('Expect', '100-Continue');
}
}
protected function applyOptions(RequestInterface $request, array $options = [])
{
$config = $request->getConfig();
$emitter = $request->getEmitter();
foreach ($options as $key => $value) {
if (isset(self::$configMap[$key])) {
$config[$key] = $value;
continue;
}
switch ($key) {
case 'allow_redirects':
if ($value === false) {
continue;
}
if ($value === true) {
$value = self::$defaultRedirect;
} elseif (!is_array($value)) {
throw new Iae('allow_redirects must be true, false, or array');
} else {
// Merge the default settings with the provided settings
$value += self::$defaultRedirect;
}
$config['redirect'] = $value;
$emitter->attach($this->redirectPlugin);
break;
case 'decode_content':
if ($value === false) {
continue;
}
$config['decode_content'] = true;
if ($value !== true) {
$request->setHeader('Accept-Encoding', $value);
}
break;
case 'headers':
if (!is_array($value)) {
throw new Iae('header value must be an array');
}
foreach ($value as $k => $v) {
$request->setHeader($k, $v);
}
break;
case 'exceptions':
if ($value === true) {
$emitter->attach($this->errorPlugin);
}
break;
case 'body':
if (is_array($value)) {
$this->addPostData($request, $value);
} elseif ($value !== null) {
$request->setBody(Stream::factory($value));
}
break;
case 'auth':
if (!$value) {
continue;
}
if (is_array($value)) {
$type = isset($value[2]) ? strtolower($value[2]) : 'basic';
} else {
$type = strtolower($value);
}
$config['auth'] = $value;
if ($type == 'basic') {
$request->setHeader('Authorization', 'Basic ' . base64_encode("{$value['0']}:{$value['1']}"));
} elseif ($type == 'digest') {
// @todo: Do not rely on curl
$config->setPath('curl/' . CURLOPT_HTTPAUTH, CURLAUTH_DIGEST);
$config->setPath('curl/' . CURLOPT_USERPWD, "{$value['0']}:{$value['1']}");
}
break;
case 'query':
if ($value instanceof Query) {
$original = $request->getQuery();
// Do not overwrite existing query string variables by
// overwriting the object with the query string data passed
// in the URL
$value->overwriteWith($original->toArray());
$request->setQuery($value);
} elseif (is_array($value)) {
// Do not overwrite existing query string variables
$query = $request->getQuery();
foreach ($value as $k => $v) {
if (!isset($query[$k])) {
$query[$k] = $v;
}
}
} else {
throw new Iae('query must be an array or Query object');
}
break;
case 'cookies':
if ($value === true) {
static $cookie = null;
if (!$cookie) {
$cookie = new Cookie();
}
$emitter->attach($cookie);
} elseif (is_array($value)) {
$emitter->attach(new Cookie(CookieJar::fromArray($value, $request->getHost())));
} elseif ($value instanceof CookieJarInterface) {
$emitter->attach(new Cookie($value));
} elseif ($value !== false) {
throw new Iae('cookies must be an array, true, or CookieJarInterface');
}
break;
case 'events':
if (!is_array($value)) {
throw new Iae('events must be an array');
}
$this->attachListeners($request, $this->prepareListeners($value, ['before', 'complete', 'error', 'progress', 'end']));
break;
case 'subscribers':
if (!is_array($value)) {
throw new Iae('subscribers must be an array');
}
foreach ($value as $subscribers) {
$emitter->attach($subscribers);
}
break;
case 'json':
$request->setBody(Stream::factory(json_encode($value)));
if (!$request->hasHeader('Content-Type')) {
$request->setHeader('Content-Type', 'application/json');
}
break;
default:
// Check for custom handler functions.
if (isset($this->customOptions[$key])) {
$fn = $this->customOptions[$key];
$fn($request, $value);
continue;
}
throw new Iae("No method can handle the {$key} config key");
}
}
}
public function send(RequestInterface $request)
{
$isFuture = $request->getConfig()->get('future');
$trans = new Transaction($this, $request, $isFuture);
$fn = $this->fsm;
try {
$fn($trans);
if ($isFuture) {
// Turn the normal response into a future if needed.
return $trans->response instanceof FutureInterface ? $trans->response : new FutureResponse(new FulfilledPromise($trans->response));
}
// Resolve deep futures if this is not a future
// transaction. This accounts for things like retries
// that do not have an immediate side-effect.
while ($trans->response instanceof FutureInterface) {
$trans->response = $trans->response->wait();
}
return $trans->response;
} catch (\Exception $e) {
if ($isFuture) {
// Wrap the exception in a promise
return new FutureResponse(new RejectedPromise($e));
}
throw RequestException::wrapException($trans->request, $e);
}
}
