misuzu/public-legacy/forum/topic.php
2023-08-28 01:17:34 +00:00

375 lines
13 KiB
PHP

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