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better fix for #629 #635 based on ownership/authorship rather than message flags which could be forged

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This commit is contained in:
zotlabs 2016-12-31 15:56:45 -08:00
parent 709bcedbed
commit e2eb0b2eac
1 changed files with 6 additions and 11 deletions
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17
include/zot.php
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@ -1782,7 +1782,7 @@ function process_delivery($sender, $arr, $deliveries, $relay, $public = false, $
$result[] = $DR->get();
}
else {
update_imported_item($sender,$arr,$r[0],$channel['channel_id']);
update_imported_item($sender,$arr,$r[0],$channel['channel_id'],$tag_delivery);
$DR->update('updated');
$result[] = $DR->get();
if(! $relay)
@ -1930,7 +1930,7 @@ function remove_community_tag($sender, $arr, $uid) {
* @param int $uid
*/
function update_imported_item($sender, $item, $orig, $uid) {
function update_imported_item($sender, $item, $orig, $uid, $tag_delivery) {
// If this is a comment being updated, remove any privacy information
// so that item_store_update will set it from the original.
@ -1943,16 +1943,11 @@ function update_imported_item($sender, $item, $orig, $uid) {
unset($item['item_private']);
}
// Subtle issue where we might receive an edit item update from a downstream source.
// Ignore unless it comes from upstream.
// we need the tag_delivery check for downstream flowing posts as the stored post
// may have a different owner than the one being transmitted.
$x = q("select item_wall from item where mid = '%s' and uid = %d limit 1",
dbesc($item['mid']),
intval($uid)
);
if($x && $x[0]['item_wall'] == 1 && $item['item_wall'] == 0) {
notice('remote wall update ignored');
if(($sender['hash'] != $orig['owner_xchan'] && $sender['hash'] != $orig['author_xchan']) && (! $tag_delivery)) {
notice('sender is not owner or author');
return;
}