/**
* Sends the request through the given handler and returns the response
*
* @param \PSX\Http\Request $request
* @param \PSX\Http\Options $options
* @param integer $count
* @return \PSX\Http\Response
*/
public function request(Request $request, Options $options = null, $count = 0)
{
if (!$request->getUri()->isAbsolute()) {
throw new InvalidArgumentException('Request url must be absolute');
}
// set cookie headers
if ($this->cookieStore !== null) {
$cookies = $this->cookieStore->load($request->getUri()->getHost());
if (!empty($cookies)) {
$kv = array();
foreach ($cookies as $cookie) {
$path = ltrim($cookie->getPath(), '/');
if ($cookie->getExpires() !== null && $cookie->getExpires()->getTimestamp() < time()) {
$this->cookieStore->remove($request->getUri()->getHost(), $cookie);
} elseif ($cookie->getPath() !== null && substr($request->getUri()->getPath(), 0, strlen($path)) != $path) {
// path does not fit
} else {
$kv[] = $cookie->getName() . '=' . $cookie->getValue();
}
}
$request->addHeader('Cookie', implode('; ', $kv));
}
}
// set content length
$body = $request->getBody();
if ($body !== null && $request->hasHeader('Transfer-Encoding') != 'chunked' && !in_array($request->getMethod(), array('HEAD', 'GET'))) {
$size = $body->getSize();
if ($size !== false) {
$request->setHeader('Content-Length', $size);
}
}
// set default options
if ($options === null) {
$options = new Options();
}
// make request
$response = $this->handler->request($request, $options);
// store cookies
if ($this->cookieStore !== null) {
$cookies = $response->getHeaderLines('Set-Cookie');
foreach ($cookies as $rawCookie) {
try {
$cookie = new Cookie($rawCookie);
$domain = $cookie->getDomain() !== null ? $cookie->getDomain() : $request->getUri()->getHost();
$this->cookieStore->store($domain, $cookie);
} catch (InvalidArgumentException $e) {
// invalid cookies
}
}
}
// check follow location
if ($options->getFollowLocation() && ($response->getStatusCode() >= 300 && $response->getStatusCode() < 400)) {
$location = (string) $response->getHeader('Location');
if (!empty($location) && $location != $request->getUri()->toString()) {
if ($options->getMaxRedirects() > $count) {
$location = UriResolver::resolve($request->getUri(), new Uri($location));
return $this->request(new GetRequest($location), $options, ++$count);
} else {
throw new RedirectException('Max redirection reached');
}
}
}
return $response;
}
