App\Libraries\OsuAuthorize::checkChatMessageSend PHP Method

    public function checkChatMessageSend($user, $target)
    {
        $prefix = 'chat.message.send.';
        $this->ensureLoggedIn($user);
        $this->ensureCleanRecord($user);
        if ($target instanceof ChatChannel) {
            if (!$this->doCheckUser($user, 'ChatChannelRead', $channel)->can()) {
                return $prefix . 'channel.no_access';
            }
            if ($target->moderated) {
                return $prefix . 'channel.moderated';
            }
        } elseif ($target instanceof User) {
            // TODO: blocklist/ignore, etc
        }
        return 'ok';
    }