misuzu/public-legacy/manage/forum/redirs.php

<?php
namespace Misuzu;

$authInfo = $msz->getAuthInfo();
if(!$authInfo->getPerms('global')->check(Perm::G_FORUM_TOPIC_REDIRS_MANAGE))
    Template::throwError(403);

$forum = $msz->getForum();

if($_SERVER['REQUEST_METHOD'] === 'POST') {
    if(!CSRF::validateRequest())
        throw new \Exception("Request verification failed.");

    $rTopicId = (string)filter_input(INPUT_POST, 'topic_redir_id');
    $rTopicURL = trim((string)filter_input(INPUT_POST, 'topic_redir_url'));

    $msz->createAuditLog('FORUM_TOPIC_REDIR_CREATE', [$rTopicId]);
    $forum->createTopicRedirect($rTopicId, $authInfo->getUserInfo(), $rTopicURL);
    url_redirect('manage-forum-topic-redirs');
    return;
}

if(filter_input(INPUT_GET, 'm') === 'explode') {
    if(!CSRF::validateRequest())
        throw new \Exception("Request verification failed.");

    $rTopicId = (string)filter_input(INPUT_GET, 't');
    $msz->createAuditLog('FORUM_TOPIC_REDIR_REMOVE', [$rTopicId]);
    $forum->deleteTopicRedirect($rTopicId);
    url_redirect('manage-forum-topic-redirs');
    return;
}

$pagination = new Pagination($forum->countTopicRedirects(), 20);
if(!$pagination->hasValidOffset())
    Template::throwError(404);

$redirs = $forum->getTopicRedirects(pagination: $pagination);

Template::render('manage.forum.redirs', [
    'manage_redirs' => $redirs,
    'manage_redirs_pagination' => $pagination,
]);