try {
$curlResult = DI::httpClient()->head($uri, [HttpClientOptions::ACCEPT_CONTENT => HttpClientAccept::JSON_AS, HttpClientOptions::REQUEST => HttpClientRequest::ACTIVITYPUB]);
+ if (!HTTPSignature::isValidContentType($curlResult->getContentType(), $uri) && (current(explode(';', $curlResult->getContentType())) == 'application/json')) {
+ // Issue 14126: Workaround for Mastodon servers that return "application/json" on a "head" request.
+ $curlResult = HTTPSignature::fetchRaw($uri, $uid);
+ }
if (HTTPSignature::isValidContentType($curlResult->getContentType(), $uri)) {
$fetched_uri = ActivityPub\Processor::fetchMissingActivity($uri, [], '', $completion, $uid);
}