misuzu/public-legacy/comments.php

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<?php
namespace Misuzu;
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use RuntimeException;
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$redirect = filter_input(INPUT_GET, 'return') ?? $_SERVER['HTTP_REFERER'] ?? url('index');
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if(!is_local_url($redirect))
Template::displayInfo('Possible request forgery detected.', 403);
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if(!CSRF::validateRequest())
Template::displayInfo("Couldn't verify this request, please refresh the page and try again.", 403);
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if(!$msz->isLoggedIn())
Template::displayInfo('You must be logged in to manage comments.', 403);
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if($msz->hasActiveBan())
Template::displayInfo('You have been banned, check your profile for more information.', 403);
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$currentUserInfo = $msz->getActiveUser();
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$comments = $msz->getComments();
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$perms = $msz->getAuthInfo()->getPerms('global');
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$commentId = (string)filter_input(INPUT_GET, 'c', FILTER_SANITIZE_NUMBER_INT);
$commentMode = (string)filter_input(INPUT_GET, 'm');
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$commentVote = (int)filter_input(INPUT_GET, 'v', FILTER_SANITIZE_NUMBER_INT);
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if(!empty($commentId)) {
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try {
$commentInfo = $comments->getPost($commentId);
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} catch(RuntimeException $ex) {
Template::displayInfo('Post not found.', 404);
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}
$categoryInfo = $comments->getCategory(postInfo: $commentInfo);
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}
if($commentMode !== 'create' && empty($commentInfo))
Template::throwError(400);
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switch($commentMode) {
case 'pin':
case 'unpin':
if(!$perms->check(Perm::G_COMMENTS_PIN) && !$categoryInfo->isOwner($currentUserInfo))
Template::displayInfo("You're not allowed to pin comments.", 403);
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if($commentInfo->isDeleted())
Template::displayInfo("This comment doesn't exist!", 400);
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if($commentInfo->isReply())
Template::displayInfo("You can't pin replies!", 400);
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$isPinning = $commentMode === 'pin';
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if($isPinning) {
if($commentInfo->isPinned())
Template::displayInfo('This comment is already pinned.', 400);
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$comments->pinPost($commentInfo);
} else {
if(!$commentInfo->isPinned())
Template::displayInfo("This comment isn't pinned yet.", 400);
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$comments->unpinPost($commentInfo);
}
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redirect($redirect . '#comment-' . $commentInfo->getId());
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break;
case 'vote':
if(!$perms->check(Perm::G_COMMENTS_VOTE) && !$categoryInfo->isOwner($currentUserInfo))
Template::displayInfo("You're not allowed to vote on comments.", 403);
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if($commentInfo->isDeleted())
Template::displayInfo("This comment doesn't exist!", 400);
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if($commentVote > 0)
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$comments->addPostPositiveVote($commentInfo, $currentUserInfo);
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elseif($commentVote < 0)
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$comments->addPostNegativeVote($commentInfo, $currentUserInfo);
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else
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$comments->removePostVote($commentInfo, $currentUserInfo);
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redirect($redirect . '#comment-' . $commentInfo->getId());
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break;
case 'delete':
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$canDelete = $perms->check(Perm::G_COMMENTS_DELETE_OWN | Perm::G_COMMENTS_DELETE_ANY);
if(!$canDelete && !$categoryInfo->isOwner($currentUserInfo))
Template::displayInfo("You're not allowed to delete comments.", 403);
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$canDeleteAny = $perms->check(Perm::G_COMMENTS_DELETE_ANY);
if($commentInfo->isDeleted())
Template::displayInfo(
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$canDeleteAny ? 'This comment is already marked for deletion.' : "This comment doesn't exist.",
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400
);
$isOwnComment = $commentInfo->getUserId() === $currentUserInfo->getId();
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$isModAction = $canDeleteAny && !$isOwnComment;
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if(!$isModAction && !$isOwnComment)
Template::displayInfo("You're not allowed to delete comments made by others.", 403);
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$comments->deletePost($commentInfo);
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if($isModAction) {
$msz->createAuditLog('COMMENT_ENTRY_DELETE_MOD', [
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$commentInfo->getId(),
$commentUserId = $commentInfo->getUserId(),
'<username>',
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]);
} else {
$msz->createAuditLog('COMMENT_ENTRY_DELETE', [$commentInfo->getId()]);
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}
redirect($redirect);
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break;
case 'restore':
if(!$perms->check(Perm::G_COMMENTS_DELETE_ANY))
Template::displayInfo("You're not allowed to restore deleted comments.", 403);
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if(!$commentInfo->isDeleted())
Template::displayInfo("This comment isn't in a deleted state.", 400);
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$comments->restorePost($commentInfo);
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$msz->createAuditLog('COMMENT_ENTRY_RESTORE', [
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$commentInfo->getId(),
$commentUserId = $commentInfo->getUserId(),
'<username>',
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]);
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redirect($redirect . '#comment-' . $commentInfo->getId());
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break;
case 'create':
if(!$perms->check(Perm::G_COMMENTS_CREATE) && !$categoryInfo->isOwner($currentUserInfo))
Template::displayInfo("You're not allowed to post comments.", 403);
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if(empty($_POST['comment']) || !is_array($_POST['comment']))
Template::displayInfo('Missing data.', 400);
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try {
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$categoryId = isset($_POST['comment']['category']) && is_string($_POST['comment']['category'])
? (int)$_POST['comment']['category']
: 0;
$categoryInfo = $comments->getCategory(categoryId: $categoryId);
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} catch(RuntimeException $ex) {
Template::displayInfo('This comment category doesn\'t exist.', 404);
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}
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$canLock = $perms->check(Perm::G_COMMENTS_LOCK);
if($categoryInfo->isLocked() && !$canLock)
Template::displayInfo('This comment category has been locked.', 403);
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$commentText = !empty($_POST['comment']['text']) && is_string($_POST['comment']['text']) ? $_POST['comment']['text'] : '';
$commentReply = (string)(!empty($_POST['comment']['reply']) && is_string($_POST['comment']['reply']) ? (int)$_POST['comment']['reply'] : 0);
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$commentLock = !empty($_POST['comment']['lock']) && $canLock;
$commentPin = !empty($_POST['comment']['pin']) && $perms->check(Perm::G_COMMENTS_PIN);
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if($commentLock) {
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if($categoryInfo->isLocked())
$comments->unlockCategory($categoryInfo);
else
$comments->lockCategory($categoryInfo);
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}
if(strlen($commentText) > 0) {
$commentText = preg_replace("/[\r\n]{2,}/", "\n", $commentText);
} else {
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if($canLock) {
Template::displayInfo('The action has been processed.', 400);
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} else {
Template::displayInfo('Your comment is too short.', 400);
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}
break;
}
if(mb_strlen($commentText) > 5000)
Template::displayInfo('Your comment is too long.', 400);
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if($commentReply > 0) {
try {
$parentInfo = $comments->getPost($commentReply);
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} catch(RuntimeException $ex) {}
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if(!isset($parentInfo) || $parentInfo->isDeleted())
Template::displayInfo('The comment you tried to reply to does not exist.', 404);
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}
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$commentInfo = $comments->createPost(
$categoryInfo,
$parentInfo ?? null,
$currentUserInfo,
$commentText,
$commentPin
);
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redirect($redirect . '#comment-' . $commentInfo->getId());
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break;
default:
Template::displayInfo('Not found.', 404);
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}