public function handle(RequestInterface $request, ResponseInterface $response, FilterChainInterface $filterChain)
{
$signature = null;
if ($request->hasHeader('Cookie')) {
$cookies = Cookie::parseList($request->getHeader('Cookie'));
foreach ($cookies as $cookie) {
if ($cookie->getName() == self::COOKIE_NAME) {
$data = $cookie->getValue();
$parts = explode('.', $data, 2);
$payload = isset($parts[0]) ? $parts[0] : null;
$signature = isset($parts[1]) ? $parts[1] : null;
if (strcmp($signature, $this->generateSignature($payload)) === 0) {
$request->setAttribute(self::COOKIE_NAME, $this->unserializeData($payload));
} else {
// invalid signature
}
break;
}
}
}
$filterChain->handle($request, $response);
$data = $request->getAttribute(self::COOKIE_NAME);
if (!empty($data)) {
$payload = $this->serializeData($data);
$newSignature = $this->generateSignature($payload);
// send only a new cookie if the data has changed
if ($newSignature != $signature) {
$response->addHeader('Set-Cookie', self::COOKIE_NAME . '=' . $payload . '.' . $newSignature);
}
}
}
public function handle(RequestInterface $request, ResponseInterface $response, FilterChainInterface $filterChain)
{
if ($request->hasHeader('Accept-Encoding')) {
$acceptEncoding = $request->getHeader('Accept-Encoding');
if (strpos($acceptEncoding, 'gzip') !== false) {
// the sender will compress the response if the content encoding
// header is available
$response->setHeader('Content-Encoding', 'gzip');
}
}
$filterChain->handle($request, $response);
}
public static function assignHttpContext($context, RequestInterface $request, Options $options = null)
{
stream_context_set_option($context, 'http', 'method', $request->getMethod());
stream_context_set_option($context, 'http', 'protocol_version', $request->getProtocolVersion() ?: 1.1);
// until chunked transfer encoding if fully implemented we remove the
// header
if ($request->hasHeader('Transfer-Encoding')) {
$request->removeHeader('Transfer-Encoding');
}
// set header
$headers = implode(Http::$newLine, ResponseParser::buildHeaderFromMessage($request));
stream_context_set_option($context, 'http', 'header', $headers);
// set body
$body = $request->getBody();
if ($body !== null && !in_array($request->getMethod(), array('HEAD', 'GET'))) {
stream_context_set_option($context, 'http', 'content', (string) $body);
}
if ($options !== null) {
// set proxy
$proxy = $options->getProxy();
if (!empty($proxy)) {
stream_context_set_option($context, 'http', 'proxy', $proxy);
}
// set follow location
stream_context_set_option($context, 'http', 'follow_location', (int) $options->getFollowLocation());
stream_context_set_option($context, 'http', 'max_redirects', $options->getMaxRedirects());
// set timeout
$timeout = $options->getTimeout();
if (!empty($timeout)) {
stream_context_set_option($context, 'http', 'timeout', $timeout);
}
}
}
