/**
* @return Request
*/
protected function convertRequest(RequestInterface $request, array $options)
{
$artaxRequest = new Request();
$artaxRequest->setProtocol($request->getProtocolVersion());
$artaxRequest->setMethod($request->getMethod());
$artaxRequest->setUri((string) $request->getUri());
$artaxRequest->setAllHeaders($request->getHeaders());
$body = $request->getBody();
if ($body->getSize() === null || $body->getSize() > 0) {
$body->rewind();
$artaxRequest->setBody(new PsrStreamIterator($body));
}
return $artaxRequest;
}
/**
* Helper method to facilitate json rpc requests using the Amp\Artax client
*
* @param string $method The rpc method to call
* @param array $params Associative array of rpc method arguments to send in the header (not auth arguments)
*
* @throws HTTPException When something goes wrong with the HTTP call
*
* @return Response The HTTP response containing headers / body ready for validation / parsing
*/
private function performRPCRequest($method, array $params)
{
$client = $this->client;
$request = new Request();
if (empty($this->sessionCookie)) {
$request->setUri(sprintf('%s:%s/json', $this->connectionArgs['host'], $this->connectionArgs['port']));
$request->setMethod('POST');
$request->setAllHeaders(array('Content-Type' => 'application/json; charset=utf-8'));
$request->setBody(json_encode(array('method' => self::METHOD_AUTH, 'params' => array($this->connectionArgs['password']), 'id' => rand())));
$promise = $client->request($request);
/** @var Amp\Artax\Response $response */
$response = Amp\wait($promise);
if ($response->hasHeader('Set-Cookie')) {
$cookieHeader = $response->getHeader('Set-Cookie');
preg_match_all('/_session_id=(.*?);/', $cookieHeader[0], $matches);
$this->sessionCookie = isset($matches[0][0]) ? $matches[0][0] : '';
} else {
throw new HTTPException("Response from torrent client did not return a Set-Cookie header");
}
}
$request = new Request();
$request->setUri(sprintf('%s:%s/json', $this->connectionArgs['host'], $this->connectionArgs['port']));
$request->setMethod('POST');
$request->setAllHeaders(array('Content-Type' => 'application/json; charset=utf-8', 'Cookie' => $this->sessionCookie));
$body = array('method' => $method, 'params' => $params, 'id' => rand());
$request->setBody(json_encode($body));
$promise = $client->request($request);
/** @var Amp\Artax\Response $response */
$response = Amp\wait($promise);
if ($response->getStatus() === 200) {
$body = $response->getBody();
$isJson = function () use($body) {
json_decode($body);
return json_last_error() === JSON_ERROR_NONE;
};
if ($isJson()) {
return $response;
} else {
throw new HTTPException(sprintf('"%s" did not get back a JSON response body, got "%s" instead', $method, print_r($response->getBody(), true)));
}
} else {
throw new HTTPException(sprintf('"%s" expected 200 response, got "%s" instead, reason: "%s"', $method, $response->getStatus(), $response->getReason()));
}
}
