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authorzotlabs <mike@macgirvin.com>2016-12-31 15:56:45 -0800
committerzotlabs <mike@macgirvin.com>2016-12-31 16:03:41 -0800
commit1cd779459b7f1a4dd38d7cbb9fad5f87dd204cd1 (patch)
tree1bb6b3861dbbe58914ccb1e0a1658fe2e9ec9f87
parentba8a5ac82b184eac27f115df48eda102d5c549cf (diff)
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better fix for #629 #635 based on ownership/authorship rather than message flags which could be forged
-rw-r--r--include/zot.php12
1 files changed, 10 insertions, 2 deletions
diff --git a/include/zot.php b/include/zot.php
index 77843c35b..d4e75fe91 100644
--- a/include/zot.php
+++ b/include/zot.php
@@ -1777,7 +1777,7 @@ 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(! $relay)
@@ -1925,7 +1925,7 @@ function remove_community_tag($sender, $arr, $uid) {
* @param int $uid
*/
-function update_imported_item($sender, $item, $orig, $uid) {
+function update_imported_item($sender, $item, $orig, $uid, $tag_delivery) {
// If this is a comment being updated, remove any privacy information
// so that item_store_update will set it from the original.
@@ -1938,6 +1938,14 @@ function update_imported_item($sender, $item, $orig, $uid) {
unset($item['item_private']);
}
+ // we need the tag_delivery check for downstream flowing posts as the stored post
+ // may have a different owner than the one being transmitted.
+
+ if(($sender['hash'] != $orig['owner_xchan'] && $sender['hash'] != $orig['author_xchan']) && (! $tag_delivery)) {
+ notice('sender is not owner or author');
+ return;
+ }
+
$x = item_store_update($item);
// If we're updating an event that we've saved locally, we store the item info first