- $curlResult = HTTPSignature::fetchRaw($url);
- $failed = empty($curlResult) || empty($curlResult->getBody()) ||
- (!$curlResult->isSuccess() && ($curlResult->getReturnCode() != 410));
-
- if (!$failed) {
- $data = json_decode($curlResult->getBody(), true);
- $failed = empty($data) || !is_array($data);
+ // Detect multiple fast repeating request to the same address
+ // See https://github.com/friendica/friendica/issues/9303
+ $cachekey = 'apcontact:getByURL:' . $url;
+ $result = DI::cache()->get($cachekey);
+ if (!is_null($result)) {
+ Logger::notice('Multiple requests for the address', ['url' => $url, 'update' => $update, 'callstack' => System::callstack(20), 'result' => $result]);
+ if (!empty($fetched_contact)) {
+ return $fetched_contact;
+ }
+ } else {
+ DI::cache()->set($cachekey, System::callstack(20), Duration::FIVE_MINUTES);