public function discover_endpoint(Request $request, Response $response)
{
if (!$this->_is_logged_in($request, $response)) {
return $response;
}
$targetURL = $request->get('target');
if (!Telegraph\Webmention::isProbablySupported($targetURL)) {
$status = 'none';
$cached = -1;
} else {
// Cache the discovered result
$cacheKey = 'telegraph:discover_endpoint:' . $targetURL;
if ($request->get('ignore_cache') == 'true' || !($status = redis()->get($cacheKey))) {
$client = new IndieWeb\MentionClient();
$endpoint = $client->discoverWebmentionEndpoint($targetURL);
if ($endpoint) {
$status = 'webmention';
} else {
$endpoint = $client->discoverPingbackEndpoint($targetURL);
if ($endpoint) {
$status = 'pingback';
} else {
$status = 'none';
}
}
$cached = false;
redis()->setex($cacheKey, 600, $status);
} else {
$cached = true;
}
}
$response->headers->set('Content-Type', 'application/json');
$response->setContent(json_encode(['status' => $status, 'cached' => $cached]));
return $response;
}
