diff options
Diffstat (limited to 'include/items.php')
-rwxr-xr-x[-rw-r--r--] | include/items.php | 37 |
1 files changed, 36 insertions, 1 deletions
diff --git a/include/items.php b/include/items.php index 0ed16217f..4513db1db 100644..100755 --- a/include/items.php +++ b/include/items.php @@ -3278,7 +3278,42 @@ function drop_item($id,$interactive = true) { q("UPDATE `item` SET `last-child` = 1 WHERE `id` = %d LIMIT 1", intval($r[0]['id']) ); - } + } + + // Add a relayable_retraction signature for Diaspora. Note that we can't add a target_author_signature + // if the comment was deleted by a remote user. That should be ok, because if a remote user is deleting + // the comment, that means we're the home of the post, and Diaspora will only + // check the parent_author_signature of retractions that it doesn't have to relay further + // + // I don't think this function gets called for an "unlike," but I'll check anyway + $signed_text = $item['guid'] . ';' . ( ($item['verb'] === ACTIVITY_LIKE) ? 'Like' : 'Comment'); + + if(local_user() == $item['uid']) { + + $handle = $a->user['nickname'] . '@' . substr($a->get_baseurl(), strpos($a->get_baseurl(),'://') + 3); + $authorsig = base64_encode(rsa_sign($signed_text,$a->user['prvkey'],'sha256')); + } + else { + $r = q("SELECT `nick`, `url` FROM `contact` WHERE `id` = '%d' LIMIT 1", + $item['contact-id'] + ); + if(count($r)) { + // The below handle only works for NETWORK_DFRN. I think that's ok, because this function + // only handles DFRN deletes + $handle_baseurl_start = strpos($r['url'],'://') + 3; + $handle_baseurl_length = strpos($r['url'],'/profile') - $handle_baseurl_start; + $handle = $r['nick'] . '@' . substr($r['url'], $handle_baseurl_start, $handle_baseurl_length); + $authorsig = ''; + } + } + + if(isset($handle)) + q("insert into sign (`retract_iid`,`signed_text`,`signature`,`signer`) values (%d,'%s','%s','%s') ", + intval($item['id']), + dbesc($signed_text), + dbesc($authorsig), + dbesc($handle) + ); } $drop_id = intval($item['id']); |