protected function add_callback(RequestInterface $request, callable $callback)
{
$request->getEmitter()->on('response.output', function (OutputEvent $event) use($callback) {
$callback($event->getContent(), $event->getType());
});
$request->getConfig()->set('attach_filter', true);
}
private function emit(RequestInterface $request)
{
$event = new BeforeEvent(new Transaction(new Client(), $request));
$request->getEmitter()->emit('before', $event);
}
/**
* @param RequestInterface $request
* @return RequestInterface
*/
public function setupRequest(RequestInterface $request)
{
$identitiy = $this->getCurrentIdentity();
if ($identitiy->getCookieJar() != null) {
//todo
// this seems pretty hacky... is there a better way to replace the cookie container of a request?
// > Currently not @see https://github.com/guzzle/guzzle/issues/1028#issuecomment-96253542 - maybe with Guzzle 6
// remove current cookie subscribers
$emitter = $request->getEmitter();
foreach ($emitter->listeners("complete") as $listener) {
if (is_array($listener) && $listener[0] instanceof Cookie) {
$emitter->detach($listener[0]);
}
}
// set new Cookie subscriber
$cookie = new Cookie($identitiy->getCookieJar());
$emitter->attach($cookie);
}
if ($identitiy->getUserAgent() != null) {
$request->setHeader("user-agent", $identitiy->getUserAgent());
}
$headers = $identitiy->getDefaultRequestHeaders();
if ($headers != null) {
foreach ($headers as $key => $val) {
$request->setHeader($key, $val);
}
}
if ($identitiy->getReferer() != null && trim($identitiy->getReferer()) != "") {
$request->setHeader("referer", $identitiy->getReferer());
}
$request = parent::setupRequest($request);
return $request;
}
private function add_subscribers(RequestInterface $request, $value)
{
if (!is_array($value)) {
throw new \InvalidArgumentException('subscribers must be an array');
}
$emitter = $request->getEmitter();
foreach ($value as $subscribers) {
$emitter->attach($subscribers);
}
}
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 (!isset($value['max'])) {
throw new Iae('allow_redirects must be true, false, or an ' . 'array that contains the \'max\' key');
} 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');
}
// Do not overwrite existing headers
foreach ($value as $k => $v) {
if (!$request->hasHeader($k)) {
$request->setHeader($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");
}
}
}
/**
* @param RequestInterface $request
*/
protected function extractCookiesArgument(RequestInterface $request)
{
$listeners = $request->getEmitter()->listeners('before');
foreach ($listeners as $listener) {
if ($listener[0] instanceof Cookie) {
$values = [];
$scheme = $request->getScheme();
$host = $request->getHost();
$path = $request->getPath();
/** @var SetCookie $cookie */
foreach ($listener[0]->getCookieJar() as $cookie) {
if ($cookie->matchesPath($path) && $cookie->matchesDomain($host) && !$cookie->isExpired() && (!$cookie->getSecure() || $scheme == 'https')) {
$values[] = $cookie->getName() . '=' . CookieJar::getCookieValue($cookie->getValue());
}
}
if ($values) {
$this->addOption('b', escapeshellarg(implode('; ', $values)));
}
}
}
}
private function addListeners(RequestInterface $request, &$calls)
{
$request->getEmitter()->on('before', function (BeforeEvent $e) use(&$calls) {
$calls[] = 'before';
}, RequestEvents::EARLY);
$request->getEmitter()->on('complete', function (CompleteEvent $e) use(&$calls) {
$calls[] = 'complete';
}, RequestEvents::EARLY);
$request->getEmitter()->on('error', function (ErrorEvent $e) use(&$calls) {
$calls[] = 'error';
}, RequestEvents::EARLY);
$request->getEmitter()->on('end', function (EndEvent $e) use(&$calls) {
$calls[] = 'end';
}, RequestEvents::EARLY);
}
