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Reject replies when author is blocked by thread owner in Model\Item::insert

- Move user-level item permission to Model\Item::isAllowedByUser
- Add user-level check for comments on top-level item
This commit is contained in:
Hypolite Petovan 2020-11-11 02:50:22 -05:00
parent 5e76def1ff
commit ffc364f2a4
2 changed files with 47 additions and 20 deletions

View file

@ -64,7 +64,7 @@ class User
{
$cdata = Contact::getPublicAndUserContacID($cid, $uid);
if (empty($cdata)) {
return;
return false;
}
$public_blocked = false;
@ -127,7 +127,7 @@ class User
{
$cdata = Contact::getPublicAndUserContacID($cid, $uid);
if (empty($cdata)) {
return;
return false;
}
$public_ignored = false;

View file

@ -1415,11 +1415,6 @@ class Item
return false;
}
if (!empty($item['uid']) && !empty($item['author-id']) && Contact\User::isBlocked($item['author-id'], $item['uid'])) {
Logger::notice('Author is blocked by user', ['author-link' => $item['author-link'], 'uid' => $item['uid'], 'item-uri' => $item['uri']]);
return false;
}
if (!empty($item['owner-id']) && Contact::isBlocked($item['owner-id'])) {
Logger::notice('Owner is blocked node-wide', ['owner-link' => $item['owner-link'], 'item-uri' => $item['uri']]);
return false;
@ -1430,22 +1425,10 @@ class Item
return false;
}
if (!empty($item['uid']) && !empty($item['owner-id']) && Contact\User::isBlocked($item['owner-id'], $item['uid'])) {
Logger::notice('Owner is blocked by user', ['owner-link' => $item['owner-link'], 'uid' => $item['uid'], 'item-uri' => $item['uri']]);
if (!empty($item['uid']) && !self::isAllowedByUser($item, $item['uid'])) {
return false;
}
// The causer is set during a thread completion, for example because of a reshare. It countains the responsible actor.
if (!empty($item['uid']) && !empty($item['causer-id']) && Contact\User::isBlocked($item['causer-id'], $item['uid'])) {
Logger::notice('Causer is blocked by user', ['causer-link' => $item['causer-link'], 'uid' => $item['uid'], 'item-uri' => $item['uri']]);
return false;
}
if (!empty($item['uid']) && !empty($item['causer-id']) && ($item['parent-uri'] == $item['uri']) && Contact\User::isIgnored($item['causer-id'], $item['uid'])) {
Logger::notice('Causer is ignored by user', ['causer-link' => $item['causer-link'], 'uid' => $item['uid'], 'item-uri' => $item['uri']]);
return false;
}
if ($item['verb'] == Activity::FOLLOW) {
if (!$item['origin'] && ($item['author-id'] == Contact::getPublicIdByUserId($item['uid']))) {
// Our own follow request can be relayed to us. We don't store it to avoid notification chaos.
@ -1533,6 +1516,13 @@ class Item
return [];
}
if ($toplevel_parent['wall']
&& $toplevel_parent['uid'] &&
!self::isAllowedByUser($item, $toplevel_parent['uid'])
) {
return [];
}
return $toplevel_parent;
}
@ -3955,4 +3945,41 @@ class Item
return array_merge($item, $shared_item);
}
/**
* Check a prospective item array against user-level permissions
*
* @param array $item Expected keys: uri, gravity, and
* author-link if is author-id is set,
* owner-link if is owner-id is set,
* causer-link if is causer-id is set.
* @param int $user_id Local user ID
* @return bool
* @throws \Exception
*/
protected static function isAllowedByUser(array $item, int $user_id)
{
if (!empty($item['author-id']) && Contact\User::isBlocked($item['author-id'], $user_id)) {
Logger::notice('Author is blocked by user', ['author-link' => $item['author-link'], 'uid' => $user_id, 'item-uri' => $item['uri']]);
return false;
}
if (!empty($item['owner-id']) && Contact\User::isBlocked($item['owner-id'], $user_id)) {
Logger::notice('Owner is blocked by user', ['owner-link' => $item['owner-link'], 'uid' => $user_id, 'item-uri' => $item['uri']]);
return false;
}
// The causer is set during a thread completion, for example because of a reshare. It countains the responsible actor.
if (!empty($item['causer-id']) && Contact\User::isBlocked($item['causer-id'], $user_id)) {
Logger::notice('Causer is blocked by user', ['causer-link' => $item['causer-link'], 'uid' => $user_id, 'item-uri' => $item['uri']]);
return false;
}
if (!empty($item['causer-id']) && ($item['gravity'] === GRAVITY_PARENT) && Contact\User::isIgnored($item['causer-id'], $user_id)) {
Logger::notice('Causer is ignored by user', ['causer-link' => $item['causer-link'], 'uid' => $user_id, 'item-uri' => $item['uri']]);
return false;
}
return true;
}
}