misuzu/public/comments.php

263 lines
8.6 KiB
PHP

<?php
namespace Misuzu;
use Misuzu\AuditLog;
use Misuzu\Comments\CommentsCategory;
use Misuzu\Comments\CommentsCategoryNotFoundException;
use Misuzu\Comments\CommentsPost;
use Misuzu\Comments\CommentsPostNotFoundException;
use Misuzu\Comments\CommentsPostSaveFailedException;
use Misuzu\Comments\CommentsVote;
use Misuzu\Users\User;
use Misuzu\Users\UserNotFoundException;
require_once '../misuzu.php';
// basing whether or not this is an xhr request on whether a referrer header is present
// this page is never directy accessed, under normal circumstances
$redirect = !empty($_SERVER['HTTP_REFERER']) ? $_SERVER['HTTP_REFERER'] : url('index');
if(!is_local_url($redirect)) {
echo render_info('Possible request forgery detected.', 403);
return;
}
if(!CSRF::validateRequest()) {
echo render_info("Couldn't verify this request, please refresh the page and try again.", 403);
return;
}
$currentUserInfo = User::getCurrent();
if($currentUserInfo === null) {
echo render_info('You must be logged in to manage comments.', 401);
return;
}
if($currentUserInfo->isBanned()) {
echo render_info('You have been banned, check your profile for more information.', 403);
return;
}
if($currentUserInfo->isSilenced()) {
echo render_info('You have been silenced, check your profile for more information.', 403);
return;
}
header(CSRF::header());
$commentPerms = $currentUserInfo->commentPerms();
$commentId = (int)filter_input(INPUT_GET, 'c', FILTER_SANITIZE_NUMBER_INT);
$commentMode = filter_input(INPUT_GET, 'm');
$commentVote = (int)filter_input(INPUT_GET, 'v', FILTER_SANITIZE_NUMBER_INT);
if($commentId > 0)
try {
$commentInfo2 = CommentsPost::byId($commentId);
} catch(CommentsPostNotFoundException $ex) {
echo render_info('Post not found.', 404);
return;
}
switch($commentMode) {
case 'pin':
case 'unpin':
if(!$commentPerms['can_pin'] && !$commentInfo2->isOwner($currentUserInfo)) {
echo render_info("You're not allowed to pin comments.", 403);
break;
}
if($commentInfo2->isDeleted()) {
echo render_info("This comment doesn't exist!", 400);
break;
}
if($commentInfo2->hasParent()) {
echo render_info("You can't pin replies!", 400);
break;
}
$isPinning = $commentMode === 'pin';
if($isPinning && $commentInfo2->isPinned()) {
echo render_info('This comment is already pinned.', 400);
break;
} elseif(!$isPinning && !$commentInfo2->isPinned()) {
echo render_info("This comment isn't pinned yet.", 400);
break;
}
$commentInfo2->setPinned($isPinning);
$commentInfo2->save();
redirect($redirect . '#comment-' . $commentInfo2->getId());
break;
case 'vote':
if(!$commentPerms['can_vote'] && !$commentInfo2->isOwner($currentUserInfo)) {
echo render_info("You're not allowed to vote on comments.", 403);
break;
}
if($commentInfo2->isDeleted()) {
echo render_info("This comment doesn't exist!", 400);
break;
}
if($commentVote > 0)
$commentInfo2->addPositiveVote($currentUserInfo);
elseif($commentVote < 0)
$commentInfo2->addNegativeVote($currentUserInfo);
else
$commentInfo2->removeVote($currentUserInfo);
redirect($redirect . '#comment-' . $commentInfo2->getId());
break;
case 'delete':
if(!$commentPerms['can_delete'] && !$commentInfo2->isOwner($currentUserInfo)) {
echo render_info("You're not allowed to delete comments.", 403);
break;
}
if($commentInfo2->isDeleted()) {
echo render_info(
$commentPerms['can_delete_any'] ? 'This comment is already marked for deletion.' : "This comment doesn't exist.",
400
);
break;
}
$isOwnComment = $commentInfo2->getUserId() === $currentUserInfo->getId();
$isModAction = $commentPerms['can_delete_any'] && !$isOwnComment;
if(!$isModAction && !$isOwnComment) {
echo render_info("You're not allowed to delete comments made by others.", 403);
break;
}
$commentInfo2->setDeleted(true);
$commentInfo2->save();
if($isModAction) {
AuditLog::create(AuditLog::COMMENT_ENTRY_DELETE_MOD, [
$commentInfo2->getId(),
$commentUserId = $commentInfo2->getUserId(),
($commentUserId < 1 ? '(Deleted User)' : $commentInfo2->getUser()->getUsername()),
]);
} else {
AuditLog::create(AuditLog::COMMENT_ENTRY_DELETE, [$commentInfo2->getId()]);
}
redirect($redirect);
break;
case 'restore':
if(!$commentPerms['can_delete_any']) {
echo render_info("You're not allowed to restore deleted comments.", 403);
break;
}
if(!$commentInfo2->isDeleted()) {
echo render_info("This comment isn't in a deleted state.", 400);
break;
}
$commentInfo2->setDeleted(false);
$commentInfo2->save();
AuditLog::create(AuditLog::COMMENT_ENTRY_RESTORE, [
$commentInfo2->getId(),
$commentUserId = $commentInfo2->getUserId(),
($commentUserId < 1 ? '(Deleted User)' : $commentInfo2->getUser()->getUsername()),
]);
redirect($redirect . '#comment-' . $commentInfo2->getId());
break;
case 'create':
if(!$commentPerms['can_comment'] && !$commentInfo2->isOwner($currentUserInfo)) {
echo render_info("You're not allowed to post comments.", 403);
break;
}
if(empty($_POST['comment']) || !is_array($_POST['comment'])) {
echo render_info('Missing data.', 400);
break;
}
try {
$categoryInfo = CommentsCategory::byId(
isset($_POST['comment']['category']) && is_string($_POST['comment']['category'])
? (int)$_POST['comment']['category']
: 0
);
} catch(CommentsCategoryNotFoundException $ex) {
echo render_info('This comment category doesn\'t exist.', 404);
break;
}
if($categoryInfo->isLocked() && !$commentPerms['can_lock']) {
echo render_info('This comment category has been locked.', 403);
break;
}
$commentText = !empty($_POST['comment']['text']) && is_string($_POST['comment']['text']) ? $_POST['comment']['text'] : '';
$commentReply = !empty($_POST['comment']['reply']) && is_string($_POST['comment']['reply']) ? (int)$_POST['comment']['reply'] : 0;
$commentLock = !empty($_POST['comment']['lock']) && $commentPerms['can_lock'];
$commentPin = !empty($_POST['comment']['pin']) && $commentPerms['can_pin'];
if($commentLock) {
$categoryInfo->setLocked(!$categoryInfo->isLocked());
$categoryInfo->save();
}
if(strlen($commentText) > 0) {
$commentText = preg_replace("/[\r\n]{2,}/", "\n", $commentText);
} else {
if($commentPerms['can_lock']) {
echo render_info('The action has been processed.');
} else {
echo render_info('Your comment is too short.', 400);
}
break;
}
if(mb_strlen($commentText) > 5000) {
echo render_info('Your comment is too long.', 400);
break;
}
if($commentReply > 0) {
try {
$parentCommentInfo = CommentsPost::byId($commentReply);
} catch(CommentsPostNotFoundException $ex) {
unset($parentCommentInfo);
}
if(!isset($parentCommentInfo) || $parentCommentInfo->isDeleted()) {
echo render_info('The comment you tried to reply to does not exist.', 404);
break;
}
}
$commentInfo2 = (new CommentsPost)
->setUser($currentUserInfo)
->setCategory($categoryInfo)
->setParsedText($commentText)
->setPinned($commentPin);
if(isset($parentCommentInfo))
$commentInfo2->setParent($parentCommentInfo);
try {
$commentInfo2->save();
} catch(CommentsPostSaveFailedException $ex) {
echo render_info('Something went horribly wrong.', 500);
break;
}
redirect($redirect . '#comment-' . $commentInfo2->getId());
break;
default:
echo render_info('Not found.', 404);
}