+ // This is IMPORTANT!!!!
+
+ // We will only send a "notify owner to relay" or followup message if the referenced post
+ // originated on our system by virtue of having our hostname somewhere
+ // in the URI, AND it was a comment (not top_level) AND the parent originated elsewhere.
+
+ // if $parent['wall'] == 1 we will already have the parent message in our array
+ // and we will relay the whole lot.
+
+ // expire sends an entire group of expire messages and cannot be forwarded.
+ // However the conversation owner will be a part of the conversation and will
+ // be notified during this run.
+ // Other DFRN conversation members will be alerted during polled updates.
+
+
+
+ // Diaspora members currently are not notified of expirations, and other networks have
+ // either limited or no ability to process deletions. We should at least fix Diaspora
+ // by stringing togther an array of retractions and sending them onward.
+
+
+ $localhost = $a->get_hostname();
+ if(strpos($localhost,':'))
+ $localhost = substr($localhost,0,strpos($localhost,':'));
+
+ /**
+ *
+ * Be VERY CAREFUL if you make any changes to the following several lines. Seemingly innocuous changes
+ * have been known to cause runaway conditions which affected several servers, along with
+ * permissions issues.
+ *
+ */
+
+ $relay_to_owner = false;
+
+ if((! $top_level) && ($parent['wall'] == 0) && (! $expire) && (stristr($target_item['uri'],$localhost))) {
+ $relay_to_owner = true;
+ }
+
+
+ if(($cmd === 'uplink') && (intval($parent['forum_mode'])) && (! $top_level)) {
+ $relay_to_owner = true;
+ }
+
+ // until the 'origin' flag has been in use for several months
+ // we will just use it as a fallback test
+ // later we will be able to use it as the primary test of whether or not to relay.
+
+ if(! $target_item['origin'])
+ $relay_to_owner = false;
+
+ if($parent['origin'])
+ $relay_to_owner = false;
+
+
+
+ if($relay_to_owner) {
+ logger('notifier: followup', LOGGER_DEBUG);