+
+ public static function isAcceptedRequester(int $uid = 0): bool
+ {
+ $called_by = System::callstack(1);
+
+ $signer = HTTPSignature::getSigner('', $_SERVER);
+ if (!$signer) {
+ Logger::debug('No signer or invalid signature', ['uid' => $uid, 'agent' => $_SERVER['HTTP_USER_AGENT'] ?? '', 'called_by' => $called_by]);
+ return false;
+ }
+
+ $apcontact = APContact::getByURL($signer);
+ if (empty($apcontact)) {
+ Logger::info('APContact not found', ['uid' => $uid, 'handle' => $signer, 'called_by' => $called_by]);
+ return false;
+ }
+
+ if (empty($apcontact['gsid'] || empty($apcontact['baseurl']))) {
+ Logger::debug('No server found', ['uid' => $uid, 'signer' => $signer, 'called_by' => $called_by]);
+ return false;
+ }
+
+ $contact = Contact::getByURL($signer, false, ['id', 'baseurl', 'gsid']);
+ if (!empty($contact) && Contact\User::isBlocked($contact['id'], $uid)) {
+ Logger::info('Requesting contact is blocked', ['uid' => $uid, 'id' => $contact['id'], 'signer' => $signer, 'baseurl' => $contact['baseurl'], 'called_by' => $called_by]);
+ return false;
+ }
+
+ // @todo Look for user blocked domains
+
+ Logger::debug('Server is an accepted requester', ['uid' => $uid, 'id' => $apcontact['gsid'], 'url' => $apcontact['baseurl'], 'signer' => $signer, 'called_by' => $called_by]);
+
+ return true;
+ }