misuzu/public-legacy/forum/topic.php

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<?php
namespace Misuzu;
use Misuzu\Users\User;
use Misuzu\Users\UserSession;
$postId = !empty($_GET['p']) && is_string($_GET['p']) ? (int)$_GET['p'] : 0;
$topicId = !empty($_GET['t']) && is_string($_GET['t']) ? (int)$_GET['t'] : 0;
$moderationMode = !empty($_GET['m']) && is_string($_GET['m']) ? (string)$_GET['m'] : '';
$submissionConfirmed = !empty($_GET['confirm']) && is_string($_GET['confirm']) && $_GET['confirm'] === '1';
$topicUser = User::getCurrent();
$topicUserId = $topicUser === null ? 0 : $topicUser->getId();
if($topicId < 1 && $postId > 0) {
$postInfo = forum_post_find($postId, $topicUserId);
if(!empty($postInfo['topic_id'])) {
$topicId = (int)$postInfo['topic_id'];
}
}
$topic = forum_topic_get($topicId, true);
$perms = $topic
? forum_perms_get_user($topic['forum_id'], $topicUserId)[MSZ_FORUM_PERMS_GENERAL]
: 0;
if(isset($topicUser) && $msz->hasActiveBan($topicUser))
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$perms &= ~MSZ_FORUM_PERM_SET_WRITE;
$topicIsNuked = empty($topic['topic_id']);
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$topicIsDeleted = !empty($topic['topic_deleted']);
$canDeleteAny = perms_check($perms, MSZ_FORUM_PERM_DELETE_ANY_POST);
if($topicIsNuked || $topicIsDeleted) {
$topicRedirectInfo = forum_topic_redir_info($topicId);
Template::set('topic_redir_info', $topicRedirectInfo);
if($topicIsNuked || !$canDeleteAny) {
if(empty($topicRedirectInfo))
echo render_error(404);
else
header('Location: ' . $topicRedirectInfo->topic_redir_url);
return;
}
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}
if(!perms_check($perms, MSZ_FORUM_PERM_VIEW_FORUM)) {
echo render_error(403);
return;
}
$topicIsLocked = !empty($topic['topic_locked']);
$topicIsArchived = !empty($topic['topic_archived']);
$topicPostsTotal = (int)($topic['topic_count_posts'] + $topic['topic_count_posts_deleted']);
$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 <= MSZ_FORUM_TOPIC_DELETE_POST_LIMIT
&& $canDeleteOwn
&& $topic['author_user_id'] === $topicUserId
)
);
$validModerationModes = [
'delete', 'restore', 'nuke',
'bump', 'lock', 'unlock',
];
if(in_array($moderationMode, $validModerationModes, true)) {
if(!CSRF::validateRequest()) {
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echo render_info("Couldn't verify this request, please refresh the page and try again.", 403);
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return;
}
if(!UserSession::hasCurrent()) {
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echo render_info('You must be logged in to manage posts.', 401);
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return;
}
if($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;
}
switch($moderationMode) {
case 'delete':
$canDeleteCode = forum_topic_can_delete($topic, $topicUserId);
$canDeleteMsg = '';
$responseCode = 200;
switch($canDeleteCode) {
case MSZ_E_FORUM_TOPIC_DELETE_USER:
$responseCode = 401;
$canDeleteMsg = 'You must be logged in to delete topics.';
break;
case MSZ_E_FORUM_TOPIC_DELETE_TOPIC:
$responseCode = 404;
$canDeleteMsg = "This topic doesn't exist.";
break;
case MSZ_E_FORUM_TOPIC_DELETE_DELETED:
$responseCode = 404;
$canDeleteMsg = 'This topic has already been marked as deleted.';
break;
case MSZ_E_FORUM_TOPIC_DELETE_OWNER:
$responseCode = 403;
$canDeleteMsg = 'You can only delete your own topics.';
break;
case MSZ_E_FORUM_TOPIC_DELETE_OLD:
$responseCode = 401;
$canDeleteMsg = 'This topic has existed for too long. Ask a moderator to remove if it absolutely necessary.';
break;
case MSZ_E_FORUM_TOPIC_DELETE_PERM:
$responseCode = 401;
$canDeleteMsg = 'You are not allowed to delete topics.';
break;
case MSZ_E_FORUM_TOPIC_DELETE_POSTS:
$responseCode = 403;
$canDeleteMsg = 'This topic already has replies, you may no longer delete it. Ask a moderator to remove if it absolutely necessary.';
break;
case MSZ_E_FORUM_TOPIC_DELETE_OK:
break;
default:
$responseCode = 500;
$canDeleteMsg = sprintf('Unknown error \'%d\'', $canDelete);
}
if($canDeleteCode !== MSZ_E_FORUM_TOPIC_DELETE_OK) {
echo render_info($canDeleteMsg, $responseCode);
break;
}
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if(!isset($_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?', $topic['topic_id']),
'params' => [
't' => $topic['topic_id'],
'm' => 'delete',
],
]);
break;
} elseif(!$submissionConfirmed) {
url_redirect(
'forum-topic',
['topic' => $topic['topic_id']]
);
break;
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}
$deleteTopic = forum_topic_delete($topic['topic_id']);
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if($deleteTopic)
$msz->createAuditLog('FORUM_TOPIC_DELETE', [$topic['topic_id']]);
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if(!$deleteTopic) {
echo render_error(500);
break;
}
url_redirect('forum-category', [
'forum' => $topic['forum_id'],
]);
break;
case 'restore':
if(!$canNukeOrRestore) {
echo render_error(403);
break;
}
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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?', $topic['topic_id']),
'params' => [
't' => $topic['topic_id'],
'm' => 'restore',
],
]);
break;
} elseif(!$submissionConfirmed) {
url_redirect('forum-topic', [
'topic' => $topic['topic_id'],
]);
break;
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}
$restoreTopic = forum_topic_restore($topic['topic_id']);
if(!$restoreTopic) {
echo render_error(500);
break;
}
$msz->createAuditLog('FORUM_TOPIC_RESTORE', [$topic['topic_id']]);
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url_redirect('forum-category', [
'forum' => $topic['forum_id'],
]);
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break;
case 'nuke':
if(!$canNukeOrRestore) {
echo render_error(403);
break;
}
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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?', $topic['topic_id']),
'params' => [
't' => $topic['topic_id'],
'm' => 'nuke',
],
]);
break;
} elseif(!$submissionConfirmed) {
url_redirect('forum-topic', [
'topic' => $topic['topic_id'],
]);
break;
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}
$nukeTopic = forum_topic_nuke($topic['topic_id']);
if(!$nukeTopic) {
echo render_error(500);
break;
}
$msz->createAuditLog('FORUM_TOPIC_NUKE', [$topic['topic_id']]);
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url_redirect('forum-category', [
'forum' => $topic['forum_id'],
]);
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break;
case 'bump':
if($canBumpTopic && forum_topic_bump($topic['topic_id'])) {
$msz->createAuditLog('FORUM_TOPIC_BUMP', [$topic['topic_id']]);
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}
url_redirect('forum-topic', [
'topic' => $topic['topic_id'],
]);
break;
case 'lock':
if($canLockTopic && !$topicIsLocked && forum_topic_lock($topic['topic_id'])) {
$msz->createAuditLog('FORUM_TOPIC_LOCK', [$topic['topic_id']]);
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}
url_redirect('forum-topic', [
'topic' => $topic['topic_id'],
]);
break;
case 'unlock':
if($canLockTopic && $topicIsLocked && forum_topic_unlock($topic['topic_id'])) {
$msz->createAuditLog('FORUM_TOPIC_UNLOCK', [$topic['topic_id']]);
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}
url_redirect('forum-topic', [
'topic' => $topic['topic_id'],
]);
break;
}
return;
}
$topicPosts = $topic['topic_count_posts'];
if($canDeleteAny) {
$topicPosts += $topic['topic_count_posts_deleted'];
}
$topicPagination = new Pagination($topicPosts, MSZ_FORUM_POSTS_PER_PAGE, 'page');
if(isset($postInfo['preceeding_post_count'])) {
$preceedingPosts = $postInfo['preceeding_post_count'];
if($canDeleteAny) {
$preceedingPosts += $postInfo['preceeding_post_deleted_count'];
}
$topicPagination->setPage(floor($preceedingPosts / $topicPagination->getRange()), true);
}
if(!$topicPagination->hasValidOffset()) {
echo render_error(404);
return;
}
Template::set('topic_perms', $perms);
$posts = forum_post_listing(
$topic['topic_id'],
$topicPagination->getOffset(),
$topicPagination->getRange(),
perms_check($perms, MSZ_FORUM_PERM_DELETE_ANY_POST)
);
if(!$posts) {
echo render_error(404);
return;
}
$canReply = !$topicIsArchived && !$topicIsLocked && !$topicIsDeleted && perms_check($perms, MSZ_FORUM_PERM_CREATE_POST);
forum_topic_mark_read($topicUserId, $topic['topic_id'], $topic['forum_id']);
Template::render('forum.topic', [
'topic_breadcrumbs' => forum_get_breadcrumbs($topic['forum_id']),
'global_accent_colour' => forum_get_colour($topic['forum_id']),
'topic_info' => $topic,
'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,
]);