From c0af6dbb1a5507dcf0fffaf13b42cfd71b0d0c50 Mon Sep 17 00:00:00 2001 From: Zach Prezkuta Date: Thu, 31 May 2012 19:40:12 -0600 Subject: Implement relaying of relayable_retractions Also: some whitespace cleanup, fix Diaspora parent DB query --- include/items.php | 31 ++++++++++++++++++++++++++++++- 1 file changed, 30 insertions(+), 1 deletion(-) (limited to 'include/items.php') diff --git a/include/items.php b/include/items.php index 0ed16217f..8858ca64f 100644 --- a/include/items.php +++ b/include/items.php @@ -3278,7 +3278,36 @@ function drop_item($id,$interactive = true) { q("UPDATE `item` SET `last-child` = 1 WHERE `id` = %d LIMIT 1", intval($r[0]['id']) ); - } + } + + // Add a relayable_retraction signature for Diaspora. Note that we can't add a target_author_signature + // if the comment was deleted by a remote user. That should be ok, because if a remote user is deleting + // the comment, that means we're the home of the post, and Diaspora will only + // check the parent_author_signature of retractions that it doesn't have to relay further + if( strcmp($item['type'], 'activity') != 0) { + $signed_text = $item['guid'] . ';' . '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)) + $handle = $r['nick'] . '@' . substr($r['url'], strpos($r['url'],'://') + 3, strpos($r['url'],'/profile') - 1); + } + + 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']); -- cgit v1.2.3