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Make sure members can not read private messages of previous guests with the same name

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Daniel Winzen
2021-05-02 16:31:18 +02:00
parent c7169daeaf
commit 58638ba56e
1 changed files with 6 additions and 0 deletions
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6
chat.php
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@ -2947,6 +2947,12 @@ function set_new_nickname() : string {
if($stmt->fetch(PDO::FETCH_NUM)){
return $I['nicknametaken'];
}else{
// Make sure members can not read private messages of previous guests with the same name
$stmt=$db->prepare('UPDATE ' . PREFIX . 'messages SET poster = "" WHERE poster = ? AND poststatus = 9;');
$stmt->execute([$_POST['newnickname']]);
$stmt=$db->prepare('UPDATE ' . PREFIX . 'messages SET recipient = "" WHERE recipient = ? AND poststatus = 9;');
$stmt->execute([$_POST['newnickname']]);
// change names in all tables
$stmt=$db->prepare('UPDATE ' . PREFIX . 'members SET nickname=? WHERE nickname=?;');
$stmt->execute([$_POST['newnickname'], $U['nickname']]);
$stmt=$db->prepare('UPDATE ' . PREFIX . 'sessions SET nickname=? WHERE nickname=?;');