From 518ceb53a8de5b4ee375947721d56f7a43621a61 Mon Sep 17 00:00:00 2001
From: zotlabs <mike@macgirvin.com>
Date: Tue, 5 Feb 2019 14:51:01 -0800
Subject: allow conversation completion for new comments to expired posts,
 regardless of hyperdrive settings. Note that hyperdrive conversations may
 still be fetched from zap/osada servers but will be ignored.

---
 Zotlabs/Lib/Libzot.php | 40 ++++++++++++++++++++++++++++------------
 1 file changed, 28 insertions(+), 12 deletions(-)

(limited to 'Zotlabs')

diff --git a/Zotlabs/Lib/Libzot.php b/Zotlabs/Lib/Libzot.php
index 27502009c..189526c7b 100644
--- a/Zotlabs/Lib/Libzot.php
+++ b/Zotlabs/Lib/Libzot.php
@@ -1487,8 +1487,31 @@ class Libzot {
 						$allowed = can_comment_on_post($sender,$parent[0]);
 					}
 				}
-				if($request) {
-					$allowed = true;
+
+				if ($request) {
+
+					// Conversation fetches (e.g. $request == true) take place for
+					//   a) new comments on expired posts
+					//   b) hyperdrive (friend-of-friend) conversations
+					//   c) Repeats of posts by others
+
+
+					// over-ride normal connection permissions for hyperdrive (friend-of-friend) conversations
+					// (if hyperdrive is enabled) and repeated posts by a friend.
+					// If $allowed is already true, this is probably the conversation of a direct friend or a
+					// conversation fetch for a new comment on an expired post
+					// Comments of all these activities are allowed and will only be rejected (later) if the parent
+					// doesn't exist.
+
+					if ($perm === 'send_stream') {
+						if (get_pconfig($channel['channel_id'],'system','hyperdrive',false) || $arr['verb'] === 'Announce') {
+							$allowed = true;
+						}
+					}
+					else {
+						$allowed = true;
+					}
+
 					$friendofriend = true;
 				}
 
@@ -1500,7 +1523,7 @@ class Libzot {
 				}
 			}
 
-			logger('item: ' . print_r($arr,true), LOGGER_DATA);
+			//	logger('item: ' . print_r($arr,true), LOGGER_DATA);
 
 			if($arr['mid'] !== $arr['parent_mid']) {
 
@@ -1526,19 +1549,11 @@ class Libzot {
 					// have the copy and we don't want the request to loop.
 					// Also don't do this if this comment came from a conversation request packet.
 					// It's possible that comments are allowed but posting isn't and that could
-					// cause a conversation fetch loop. We can detect these packets since they are
-					// delivered via a 'notify' packet type that has a message_id element in the
-					// initial zot packet (just like the corresponding 'request' packet type which
-					// makes the request).
+					// cause a conversation fetch loop. 
 					// We'll also check the send_stream permission - because if it isn't allowed,
 					// the top level post is unlikely to be imported and
 					// this is just an exercise in futility.
 
-
-					if((! get_pconfig($channel['channel_id'],'system','hyperdrive',false)) || (! $arr['verb'] === 'Announce')) {
-						continue;
-					}
-
 					if((! $relay) && (! $request) && (! $local_public)
 						&& perm_is_allowed($channel['channel_id'],$sender,'send_stream')) {
 						self::fetch_conversation($channel,$arr['parent_mid']);
@@ -1814,6 +1829,7 @@ class Libzot {
 				$arr['owner_xchan'] = $a['signature']['signer'];
 			}
 
+
 			/// @FIXME - spoofable
 			if($AS->data['hubloc']) {
 				$arr['item_verified'] = true;
-- 
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