What this checkin does is catch the case where a comment arrived and there's a missing top-level post to match it with. So we'll send a request back to the sender that you've never seen this thread and please send a fresh copy of the entire conversation to date. We could soon have posts in the matrix from different platforms from days gone by, which have been migrated into the modern world. We'll be polite and not deliver these to everybody. However, if someone comments on one of these antique threads we wouldn't be able to see it in our own matrix because we won't have a copy of the parent post. So this rectifies that situation. Be aware that item deletion may need to change to keep "hard deleted" items indefinitely so that they don't keep coming back. We'll have to null out the important data of the former item to accomplish the deletion aspect.

1 files changed, 82 insertions, 1 deletions

diff --git a/include/zot.php b/include/zot.php
index e96eae10d..3a5139755 100644
--- a/include/zot.php
+++ b/include/zot.php
@@ -104,7 +104,7 @@ function zot_get_hublocs($hash) {
  * @returns string json encoded zot packet
  */
 
-function zot_build_packet($channel,$type = 'notify',$recipients = null, $remote_key = null, $secret = null) {
+function zot_build_packet($channel,$type = 'notify',$recipients = null, $remote_key = null, $secret = null, $extra = null) {
 
 	$data = array(
 		'type' => $type,
@@ -129,6 +129,12 @@ function zot_build_packet($channel,$type = 'notify',$recipients = null, $remote_
 		$data['secret_sig'] = base64url_encode(rsa_sign($secret,$channel['channel_prvkey']));
 	}
 
+	if($extra) {
+		foreach($extra as $k => $v)
+			$data[$k] = $v;
+	}
+
+
 	logger('zot_build_packet: ' . print_r($data,true), LOGGER_DATA);
 
 	// Hush-hush ultra top-secret mode
@@ -1436,6 +1442,13 @@ function process_delivery($sender,$arr,$deliveries,$relay,$public = false) {
 			);
 			if(! $r) {
 				$result[] = array($d['hash'],'comment parent not found',$channel['channel_name'] . ' <' . $channel['channel_address'] . '@' . get_app()->get_hostname() . '>',$arr['mid']);
+
+				// we don't seem to have a copy of this conversation or at least the parent - request a copy of the entire conversation to date.
+				// Don't do this if it's a relay post as we're the ones who are supposed to have the copy and we don't want the request to loop.
+
+				if(! $relay)
+					proc_run('php', 'include/notifier.php', 'request', $channel['channel_id'], $sender['hash'], $arr['parent_mid']);
+
 				continue;
 			}
 			if($relay) {
@@ -2793,3 +2806,71 @@ function import_author_zot($x) {
 	return false;
 }
 
+function zot_process_message_request($data) {
+	$ret = array('success' => false);
+	if(! $data['message_id']) {
+		$ret['message'] = 'no message_id';
+		logger('no message_id');
+		return $ret;
+	}
+
+	$sender = $data['sender'];
+	$sender_hash = make_xchan_hash($sender['guid'],$sender['guid_sig']);
+
+	$arr = $data['recipients'][0];
+	$recip_hash = make_xchan_hash($arr['guid'],$arr['guid_sig']);
+	$c = q("select * from channel left join xchan on channel_hash = xchan_hash where channel_hash = '%s' limit 1",
+		dbesc($recip_hash)
+	);
+	if(! $c) {
+		logger('recipient channel not found.');
+		$ret['message'] .= 'recipient not found.' . EOL;
+		return $ret;
+	}
+	$messages = zot_feed($c[0]['channel_id'],$sender_hash,array('message_id' => $data['message_id']));
+	if($messages) {
+		$env_recips = null;
+
+		$r = q("select hubloc_guid, hubloc_url, hubloc_sitekey, hubloc_network, hubloc_flags, hubloc_callback, hubloc_host 
+			from hubloc where hubloc_hash = '" . dbesc($sender_hash) . "' and not (hubloc_flags & %d)
+			and not (hubloc_status & %d) group by hubloc_sitekey",
+            intval(HUBLOC_FLAGS_DELETED),
+            intval(HUBLOC_OFFLINE)
+        );
+	    if(! $r) {
+	        logger('no hubs');
+    	    return $ret;
+    	}
+		$hubs = $r;
+		$hublist = array();
+		$keys = array();
+
+		$private = ((array_key_exists('flags',$messages[0]) && in_array('private',$messages[0]['flags'])) ? true : false);
+		if($private)
+			$env_recips = array('guid' => $sender['guid'],'guid_sig' => $sender['guid_sig'],'hash' => $sender_hash);
+		$data_packet = json_encode(array('message_list' => $messages));
+		
+		foreach($hubs as $hub) {
+			$hash = random_string();
+			$n = zot_build_packet($c[0],'notify',$env_recips,(($private) ? $hub['hubloc_sitekey'] : null),$hash);
+			q("insert into outq ( outq_hash, outq_account, outq_channel, outq_driver, outq_posturl, outq_async, 
+				outq_created, outq_updated, outq_notify, outq_msg ) 
+				values ( '%s', %d, %d, '%s', '%s', %d, '%s', '%s', '%s', '%s' )",
+				dbesc($hash),
+				intval($c[0]['channel_account_id']),
+				intval($c[0]['channel_id']),
+				dbesc('zot'),
+				dbesc($hub['hubloc_callback']),
+				intval(1),
+				dbesc(datetime_convert()),
+				dbesc(datetime_convert()),
+				dbesc($n),
+				dbesc($data_packet)
+			);
+			proc_run('php','include/deliver.php',$hash);
+		}
+
+	}
+	$ret['success'] = true;
+	return $ret;
+}