375 lines
13 KiB
PHP
375 lines
13 KiB
PHP
<?php
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namespace Misuzu;
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use stdClass;
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use RuntimeException;
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$forum = $msz->getForum();
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$users = $msz->getUsers();
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$postId = !empty($_GET['p']) && is_string($_GET['p']) ? (int)$_GET['p'] : 0;
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$topicId = !empty($_GET['t']) && is_string($_GET['t']) ? (int)$_GET['t'] : 0;
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$categoryId = null;
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$moderationMode = !empty($_GET['m']) && is_string($_GET['m']) ? (string)$_GET['m'] : '';
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$submissionConfirmed = !empty($_GET['confirm']) && is_string($_GET['confirm']) && $_GET['confirm'] === '1';
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$currentUser = $msz->getActiveUser();
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$currentUserId = $currentUser === null ? '0' : $currentUser->getId();
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if($topicId < 1 && $postId > 0) {
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try {
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$postInfo = $forum->getPost(postId: $postId);
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} catch(RuntimeException $ex) {
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echo render_error(404);
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return;
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}
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$categoryId = $postInfo->getCategoryId();
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$perms = forum_perms_get_user($categoryId, $currentUserId)[MSZ_FORUM_PERMS_GENERAL];
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$canDeleteAny = !perms_check($perms, MSZ_FORUM_PERM_DELETE_ANY_POST);
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if($postInfo->isDeleted() && !$canDeleteAny) {
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echo render_error(404);
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return;
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}
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$topicId = $postInfo->getTopicId();
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$preceedingPostCount = $forum->countPosts(
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topicInfo: $topicId,
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upToPostInfo: $postInfo,
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deleted: $canDeleteAny ? null : false
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);
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}
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try {
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$topicIsNuked = $topicIsDeleted = $canDeleteAny = false;
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$topicInfo = $forum->getTopic(topicId: $topicId);
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} catch(RuntimeException $ex) {
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$topicIsNuked = true;
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}
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if(!$topicIsNuked) {
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$topicIsDeleted = $topicInfo->isDeleted();
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if($categoryId !== (int)$topicInfo->getCategoryId()) {
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$categoryId = (int)$topicInfo->getCategoryId();
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$perms = forum_perms_get_user($categoryId, $currentUserId)[MSZ_FORUM_PERMS_GENERAL];
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}
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if(isset($currentUser) && $msz->hasActiveBan($currentUser))
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$perms &= MSZ_FORUM_PERM_LIST_FORUM | MSZ_FORUM_PERM_VIEW_FORUM;
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$canDeleteAny = perms_check($perms, MSZ_FORUM_PERM_DELETE_ANY_POST);
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}
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if(($topicIsNuked || $topicIsDeleted) && $forum->hasTopicRedirect($topicId)) {
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$topicRedirectInfo = $forum->getTopicRedirect($topicId);
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Template::set('topic_redir_info', $topicRedirectInfo);
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if($topicIsNuked || !$canDeleteAny) {
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if(empty($topicRedirectInfo))
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echo render_error(404);
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else
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header('Location: ' . $topicRedirectInfo->getLinkTarget());
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return;
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}
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}
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if(!perms_check($perms, MSZ_FORUM_PERM_VIEW_FORUM)) {
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echo render_error(403);
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return;
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}
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// Maximum amount of posts a topic may contain to still be deletable by the author
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// this should be in the config
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$deletePostThreshold = 1;
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$categoryInfo = $forum->getCategory(topicInfo: $topicInfo);
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$topicIsLocked = $topicInfo->isLocked();
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$topicIsArchived = $categoryInfo->isArchived();
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$topicPostsTotal = $topicInfo->getTotalPostsCount();
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$topicIsFrozen = $topicIsArchived || $topicIsDeleted;
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$canDeleteOwn = !$topicIsFrozen && !$topicIsLocked && perms_check($perms, MSZ_FORUM_PERM_DELETE_POST);
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$canBumpTopic = !$topicIsFrozen && perms_check($perms, MSZ_FORUM_PERM_BUMP_TOPIC);
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$canLockTopic = !$topicIsFrozen && perms_check($perms, MSZ_FORUM_PERM_LOCK_TOPIC);
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$canNukeOrRestore = $canDeleteAny && $topicIsDeleted;
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$canDelete = !$topicIsDeleted && (
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$canDeleteAny || (
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$topicPostsTotal > 0
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&& $topicPostsTotal <= $deletePostThreshold
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&& $canDeleteOwn
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&& $topicInfo->getUserId() === (string)$currentUserId
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)
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);
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$validModerationModes = [
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'delete', 'restore', 'nuke',
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'bump', 'lock', 'unlock',
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];
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if(in_array($moderationMode, $validModerationModes, true)) {
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if(!CSRF::validateRequest()) {
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echo render_info("Couldn't verify this request, please refresh the page and try again.", 403);
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return;
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}
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if(!$msz->isLoggedIn()) {
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echo render_info('You must be logged in to manage posts.', 401);
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return;
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}
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if($msz->hasActiveBan()) {
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echo render_info('You have been banned, check your profile for more information.', 403);
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return;
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}
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switch($moderationMode) {
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case 'delete':
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if($canDeleteAny) {
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if($topicInfo->isDeleted()) {
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echo render_info('This topic has already been marked as deleted.', 404);
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return;
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}
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} else {
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if($topicInfo->isDeleted()) {
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echo render_error(404);
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return;
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}
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if(!$canDeleteOwn) {
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echo render_info("You aren't allowed to delete topics.", 403);
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return;
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}
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if($topicInfo->getUserId() !== $currentUser->getId()) {
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echo render_info('You can only delete your own topics.', 403);
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return;
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}
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// topics may only be deleted within a day of creation, this should be a config value
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$deleteTimeFrame = 60 * 60 * 24;
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if($topicInfo->getCreatedTime() < time() - $deleteTimeFrame) {
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echo render_info('This topic has existed for too long. Ask a moderator to remove if it absolutely necessary.', 403);
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return;
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}
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// deleted posts are intentionally included
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$topicPostCount = $forum->countPosts(topicInfo: $topicInfo);
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if($topicPostCount > $deletePostThreshold) {
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echo render_info('This topic already has replies, you may no longer delete it. Ask a moderator to remove if it absolutely necessary.', 403);
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return;
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}
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}
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if(!isset($_GET['confirm'])) {
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Template::render('forum.confirm', [
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'title' => 'Confirm topic deletion',
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'class' => 'far fa-trash-alt',
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'message' => sprintf('You are about to delete topic #%d. Are you sure about that?', $topicInfo->getId()),
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'params' => [
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't' => $topicInfo->getId(),
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'm' => 'delete',
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],
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]);
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break;
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} elseif(!$submissionConfirmed) {
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url_redirect(
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'forum-topic',
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['topic' => $topicInfo->getId()]
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);
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break;
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}
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$forum->deleteTopic($topicInfo->getId());
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$msz->createAuditLog('FORUM_TOPIC_DELETE', [$topicInfo->getId()]);
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url_redirect('forum-category', [
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'forum' => $categoryInfo->getId(),
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]);
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break;
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case 'restore':
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if(!$canNukeOrRestore) {
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echo render_error(403);
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break;
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}
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if(!isset($_GET['confirm'])) {
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Template::render('forum.confirm', [
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'title' => 'Confirm topic restore',
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'class' => 'fas fa-magic',
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'message' => sprintf('You are about to restore topic #%d. Are you sure about that?', $topicInfo->getId()),
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'params' => [
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't' => $topicInfo->getId(),
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'm' => 'restore',
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],
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]);
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break;
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} elseif(!$submissionConfirmed) {
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url_redirect('forum-topic', [
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'topic' => $topicInfo->getId(),
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]);
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break;
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}
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$forum->restoreTopic($topicInfo->getId());
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$msz->createAuditLog('FORUM_TOPIC_RESTORE', [$topicInfo->getId()]);
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url_redirect('forum-category', [
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'forum' => $categoryInfo->getId(),
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]);
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break;
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case 'nuke':
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if(!$canNukeOrRestore) {
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echo render_error(403);
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break;
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}
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if(!isset($_GET['confirm'])) {
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Template::render('forum.confirm', [
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'title' => 'Confirm topic nuke',
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'class' => 'fas fa-radiation',
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'message' => sprintf('You are about to PERMANENTLY DELETE topic #%d. Are you sure about that?', $topicInfo->getId()),
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'params' => [
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't' => $topicInfo->getId(),
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'm' => 'nuke',
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],
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]);
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break;
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} elseif(!$submissionConfirmed) {
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url_redirect('forum-topic', [
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'topic' => $topicInfo->getId(),
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]);
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break;
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}
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$forum->nukeTopic($topicInfo->getId());
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$msz->createAuditLog('FORUM_TOPIC_NUKE', [$topicInfo->getId()]);
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url_redirect('forum-category', [
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'forum' => $categoryInfo->getId(),
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]);
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break;
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case 'bump':
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if($canBumpTopic) {
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$forum->bumpTopic($topicInfo->getId());
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$msz->createAuditLog('FORUM_TOPIC_BUMP', [$topicInfo->getId()]);
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}
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url_redirect('forum-topic', [
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'topic' => $topicInfo->getId(),
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]);
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break;
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case 'lock':
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if($canLockTopic && !$topicIsLocked) {
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$forum->lockTopic($topicInfo->getId());
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$msz->createAuditLog('FORUM_TOPIC_LOCK', [$topicInfo->getId()]);
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}
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url_redirect('forum-topic', [
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'topic' => $topicInfo->getId(),
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]);
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break;
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case 'unlock':
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if($canLockTopic && $topicIsLocked) {
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$forum->unlockTopic($topicInfo->getId());
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$msz->createAuditLog('FORUM_TOPIC_UNLOCK', [$topicInfo->getId()]);
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}
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url_redirect('forum-topic', [
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'topic' => $topicInfo->getId(),
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]);
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break;
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}
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return;
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}
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$topicPosts = $topicInfo->getPostsCount();
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if($canDeleteAny)
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$topicPosts += $topicInfo->getDeletedPostsCount();
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$topicPagination = new Pagination($topicPosts, 10, 'page');
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if(isset($preceedingPostCount))
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$topicPagination->setPage(floor($preceedingPostCount / $topicPagination->getRange()), true);
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if(!$topicPagination->hasValidOffset()) {
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echo render_error(404);
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return;
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}
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$postInfos = $forum->getPosts(
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topicInfo: $topicInfo,
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deleted: perms_check($perms, MSZ_FORUM_PERM_DELETE_ANY_POST) ? null : false,
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pagination: $topicPagination,
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);
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if(empty($postInfos)) {
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echo render_error(404);
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return;
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}
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$originalPostInfo = $forum->getPost(topicInfo: $topicInfo);
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$userInfos = [];
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$userColours = [];
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$userPostsCounts = [];
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$posts = [];
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foreach($postInfos as $postInfo) {
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$posts[] = $post = new stdClass;
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$post->info = $postInfo;
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if($postInfo->hasUserId()) {
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$postUserId = $postInfo->getUserId();
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if(!array_key_exists($postUserId, $userInfos)) {
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$userInfo = $users->getUser($postUserId, 'id');
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$userInfos[$postUserId] = $userInfo;
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$userColours[$postUserId] = $users->getUserColour($userInfo);
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$userPostsCounts[$postUserId] = $forum->countPosts(userInfo: $userInfo, deleted: false);
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}
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$post->user = $userInfos[$postUserId];
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$post->colour = $userColours[$postUserId];
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$post->postsCount = $userPostsCounts[$postUserId];
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}
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$post->isOriginalPost = $originalPostInfo->getId() == $postInfo->getId();
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$post->isOriginalPoster = $originalPostInfo->hasUserId() && $postInfo->hasUserId()
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&& $originalPostInfo->getUserId() === $postInfo->getUserId();
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}
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$canReply = !$topicIsArchived && !$topicIsLocked && !$topicIsDeleted && perms_check($perms, MSZ_FORUM_PERM_CREATE_POST);
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if(!$forum->checkUserHasReadTopic($userInfo, $topicInfo))
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$forum->incrementTopicView($topicInfo);
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$forum->updateUserReadTopic($currentUser, $topicInfo);
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$perms = perms_check_bulk($perms, [
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'can_create_post' => MSZ_FORUM_PERM_CREATE_POST,
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'can_edit_post' => MSZ_FORUM_PERM_EDIT_POST,
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'can_edit_any_post' => MSZ_FORUM_PERM_EDIT_ANY_POST,
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'can_delete_post' => MSZ_FORUM_PERM_DELETE_POST,
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'can_delete_any_post' => MSZ_FORUM_PERM_DELETE_ANY_POST,
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]);
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Template::render('forum.topic', [
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'topic_breadcrumbs' => $forum->getCategoryAncestry($topicInfo),
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'global_accent_colour' => $forum->getCategoryColour($topicInfo),
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'topic_info' => $topicInfo,
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'category_info' => $categoryInfo,
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'topic_posts' => $posts,
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'can_reply' => $canReply,
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'topic_pagination' => $topicPagination,
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'topic_can_delete' => $canDelete,
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'topic_can_nuke_or_restore' => $canNukeOrRestore,
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'topic_can_bump' => $canBumpTopic,
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'topic_can_lock' => $canLockTopic,
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'topic_user_id' => $currentUserId,
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'topic_perms' => $perms,
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]);
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