public function request(RequestInterface $request, Options $options)
{
$context = stream_context_create();
// ssl
$scheme = null;
if ($options->getSsl() !== false && ($options->getSsl() === true || strcasecmp($request->getUri()->getScheme(), 'https') === 0)) {
$transports = stream_get_transports();
if (in_array('tls', $transports)) {
$scheme = 'tls';
} elseif (in_array('ssl', $transports)) {
$scheme = 'ssl';
} else {
throw new NotSupportedException('https is not supported');
}
Stream::assignSslContext($context, $options);
} else {
$scheme = 'tcp';
}
// port
$port = $request->getUri()->getPort();
if (empty($port)) {
$port = getservbyname($request->getUri()->getScheme(), 'tcp');
}
// open socket
set_error_handler(__CLASS__ . '::handleError');
$timeout = ini_get('default_socket_timeout');
$handle = stream_socket_client($scheme . '://' . $request->getUri()->getHost() . ':' . $port, $errno, $errstr, $timeout, STREAM_CLIENT_CONNECT, $context);
restore_error_handler();
if ($handle !== false) {
// timeout
$timeout = $options->getTimeout();
if (!empty($timeout)) {
stream_set_timeout($handle, $timeout);
}
// callback
$callback = $options->getCallback();
if (!empty($callback)) {
call_user_func_array($callback, array($handle, $request));
}
// write header
$headers = ResponseParser::buildHeaderFromMessage($request);
fwrite($handle, Http\RequestParser::buildStatusLine($request) . Http::$newLine);
foreach ($headers as $header) {
fwrite($handle, $header . Http::$newLine);
}
fwrite($handle, Http::$newLine);
fflush($handle);
// write body
$body = $request->getBody();
if ($body !== null && !in_array($request->getMethod(), array('HEAD', 'GET'))) {
if ($request->getHeader('Transfer-Encoding') == 'chunked') {
while (!$body->eof()) {
$chunk = $body->read($this->chunkSize);
$len = strlen($chunk);
if ($len > 0) {
fwrite($handle, dechex($len) . Http::$newLine . $chunk . Http::$newLine);
fflush($handle);
}
}
fwrite($handle, '0' . Http::$newLine . Http::$newLine);
fflush($handle);
} else {
fwrite($handle, (string) $body);
fflush($handle);
}
}
// read header
$headers = array();
do {
$header = trim(fgets($handle));
if (!empty($header)) {
$headers[] = $header;
}
} while (!empty($header));
// check for timeout
$meta = stream_get_meta_data($handle);
if ($meta['timed_out']) {
throw new HandlerException('Connection timeout');
}
// build response
$response = ResponseParser::buildResponseFromHeader($headers);
// create stream
$contentLength = (int) $response->getHeader('Content-Length');
$chunkedEncoding = $response->getHeader('Transfer-Encoding') == 'chunked';
if ($request->getMethod() != 'HEAD') {
$response->setBody(new SocksStream($handle, $contentLength, $chunkedEncoding));
} else {
fclose($handle);
$response->setBody(new StringStream());
}
return $response;
} else {
throw new HandlerException(!empty($errstr) ? $errstr : 'Could not open socket');
}
}
/**
* @expectedException \PSX\Exception
*/
public function testBuildStatusLineNoTarget()
{
$request = new Request(new Url('http://127.0.0.1'), 'GET');
$request->setRequestTarget('');
RequestParser::buildStatusLine($request);
}
/**
* Converts the request object to an http request string
*
* @return string
*/
public function toString()
{
$request = RequestParser::buildStatusLine($this) . Http::$newLine;
$headers = RequestParser::buildHeaderFromMessage($this);
foreach ($headers as $header) {
$request .= $header . Http::$newLine;
}
$request .= Http::$newLine;
$request .= (string) $this->getBody();
return $request;
}
