misuzu/public-legacy/forum/posting.php

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<?php
namespace Misuzu;
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use stdClass;
use RuntimeException;
use Index\DateTime;
use Misuzu\Forum\ForumTopicInfo;
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use Misuzu\Parsers\Parser;
if(!$msz->isLoggedIn()) {
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echo render_error(401);
return;
}
$currentUser = $msz->getActiveUser();
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$currentUserId = $currentUser->getId();
if($msz->hasActiveBan()) {
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echo render_error(403);
return;
}
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$forum = $msz->getForum();
$users = $msz->getUsers();
$userInfos = [];
$userColours = [];
$userPostsCounts = [];
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$forumPostingModes = [
'create', 'edit', 'quote', 'preview',
];
if(!empty($_POST)) {
$mode = !empty($_POST['post']['mode']) && is_string($_POST['post']['mode']) ? $_POST['post']['mode'] : 'create';
$postId = !empty($_POST['post']['id']) && is_string($_POST['post']['id']) ? (int)$_POST['post']['id'] : 0;
$topicId = !empty($_POST['post']['topic']) && is_string($_POST['post']['topic']) ? (int)$_POST['post']['topic'] : 0;
$forumId = !empty($_POST['post']['forum']) && is_string($_POST['post']['forum']) ? (int)$_POST['post']['forum'] : 0;
} else {
$mode = !empty($_GET['m']) && is_string($_GET['m']) ? $_GET['m'] : 'create';
$postId = !empty($_GET['p']) && is_string($_GET['p']) ? (int)$_GET['p'] : 0;
$topicId = !empty($_GET['t']) && is_string($_GET['t']) ? (int)$_GET['t'] : 0;
$forumId = !empty($_GET['f']) && is_string($_GET['f']) ? (int)$_GET['f'] : 0;
}
if(!in_array($mode, $forumPostingModes, true)) {
echo render_error(400);
return;
}
if($mode === 'preview') {
header('Content-Type: text/plain; charset=utf-8');
$postText = (string)($_POST['post']['text']);
$postParser = (int)($_POST['post']['parser']);
if(!Parser::isValid($postParser)) {
http_response_code(400);
return;
}
http_response_code(200);
echo Parser::instance($postParser)->parseText(htmlspecialchars($postText));
return;
}
if(empty($postId) && empty($topicId) && empty($forumId)) {
echo render_error(404);
return;
}
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if(empty($postId)) {
$hasPostInfo = false;
} else {
try {
$postInfo = $forum->getPost(postId: $postId);
} catch(RuntimeException $ex) {
echo render_error(404);
return;
}
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if($postInfo->isDeleted()) {
echo render_error(404);
return;
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}
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// should automatic cross-quoting be a thing? if so, check if $topicId is < 1 first <-- what did i mean by this?
$topicId = $postInfo->getTopicId();
$hasPostInfo = true;
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}
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if(empty($topicId)) {
$hasTopicInfo = false;
} else {
try {
$topicInfo = $forum->getTopic(topicId: $topicId);
} catch(RuntimeException $ex) {
echo render_error(404);
return;
}
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if($topicInfo->isDeleted()) {
echo render_error(404);
return;
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}
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$forumId = $topicInfo->getCategoryId();
$originalPostInfo = $forum->getPost(topicInfo: $topicInfo);
$hasTopicInfo = true;
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}
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if(empty($forumId)) {
$hasCategoryInfo = false;
} else {
try {
$categoryInfo = $forum->getCategory(categoryId: $forumId);
} catch(RuntimeException $ex) {
echo render_error(404);
return;
}
$hasCategoryInfo = true;
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}
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$perms = forum_perms_get_user($categoryInfo->getId(), $currentUserId)[MSZ_FORUM_PERMS_GENERAL];
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if($categoryInfo->isArchived()
|| (isset($topicInfo) && $topicInfo->isLocked() && !perms_check($perms, MSZ_FORUM_PERM_LOCK_TOPIC))
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|| !perms_check($perms, MSZ_FORUM_PERM_VIEW_FORUM | MSZ_FORUM_PERM_CREATE_POST)
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|| (!isset($topicInfo) && !perms_check($perms, MSZ_FORUM_PERM_CREATE_TOPIC))) {
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echo render_error(403);
return;
}
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if(!$categoryInfo->mayHaveTopics()) {
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echo render_error(400);
return;
}
$topicTypes = [];
if($mode === 'create' || $mode === 'edit') {
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$topicTypes['discussion'] = 'Normal discussion';
if(perms_check($perms, MSZ_FORUM_PERM_STICKY_TOPIC))
$topicTypes['sticky'] = 'Sticky topic';
if(perms_check($perms, MSZ_FORUM_PERM_ANNOUNCE_TOPIC))
$topicTypes['announce'] = 'Announcement';
if(perms_check($perms, MSZ_FORUM_PERM_GLOBAL_ANNOUNCE_TOPIC))
$topicTypes['global'] = 'Global Announcement';
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}
// edit mode stuff
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if($mode === 'edit' && !perms_check($perms, $postInfo->getUserId() === $currentUserId ? MSZ_FORUM_PERM_EDIT_POST : MSZ_FORUM_PERM_EDIT_ANY_POST)) {
echo render_error(403);
return;
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}
$notices = [];
if(!empty($_POST)) {
$topicTitle = $_POST['post']['title'] ?? '';
$postText = $_POST['post']['text'] ?? '';
$postParser = (int)($_POST['post']['parser'] ?? Parser::BBCODE);
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$topicType = isset($_POST['post']['type']) ? $_POST['post']['type'] : null;
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$postSignature = isset($_POST['post']['signature']);
if(!CSRF::validateRequest()) {
$notices[] = 'Could not verify request.';
} else {
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$isEditingTopic = empty($topicInfo) || ($mode === 'edit' && $originalPostInfo->getId() == $postInfo->getId());
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if($mode === 'create') {
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$postTimeout = $cfg->getInteger('forum.posting.timeout', 5);
if($postTimeout > 0) {
$postTimeoutThreshold = DateTime::now()->modify(sprintf('-%d seconds', $postTimeout));
$lastPostCreatedAt = $forum->getUserLastPostCreatedAt($currentUser);
if($lastPostCreatedAt->isMoreThan($postTimeoutThreshold)) {
$waitSeconds = $postTimeout + ($lastPostCreatedAt->getUnixTimeSeconds() - time());
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$notices[] = sprintf("You're posting too quickly! Please wait %s seconds before posting again.", number_format($waitSeconds));
$notices[] = "It's possible that your post went through successfully and you pressed the submit button twice by accident.";
}
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}
}
if($isEditingTopic) {
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$originalTopicTitle = $topicInfo?->getTitle() ?? null;
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$topicTitleChanged = $topicTitle !== $originalTopicTitle;
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$originalTopicType = $topicInfo?->getTypeString() ?? 'discussion';
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$topicTypeChanged = $topicType !== null && $topicType !== $originalTopicType;
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$topicTitleLengths = $cfg->getValues([
['forum.topic.minLength:i', 3],
['forum.topic.maxLength:i', 100],
]);
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$topicTitleLength = mb_strlen(trim($topicTitle));
if($topicTitleLength < $topicTitleLengths['forum.topic.minLength'])
$notices[] = 'Topic title was too short.';
elseif($topicTitleLength > $topicTitleLengths['forum.topic.maxLength'])
$notices[] = 'Topic title was too long.';
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if($mode === 'create' && $topicType === null) {
$topicType = array_key_first($topicTypes);
} elseif(!array_key_exists($topicType, $topicTypes) && $topicTypeChanged) {
$notices[] = 'You are not allowed to set this topic type.';
}
}
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if(!Parser::isValid($postParser))
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$notices[] = 'Invalid parser selected.';
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$postTextLengths = $cfg->getValues([
['forum.post.minLength:i', 1],
['forum.post.maxLength:i', 60000],
]);
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$postTextLength = mb_strlen(trim($postText));
if($postTextLength < $postTextLengths['forum.post.minLength'])
$notices[] = 'Post content was too short.';
elseif($postTextLength > $postTextLengths['forum.post.maxLength'])
$notices[] = 'Post content was too long.';
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if(empty($notices)) {
switch($mode) {
case 'create':
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if(empty($topicInfo)) {
$topicInfo = $forum->createTopic(
$categoryInfo,
$currentUser,
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$topicTitle,
$topicType
);
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$topicId = $topicInfo->getId();
$forum->incrementCategoryTopics($categoryInfo);
} else
$forum->bumpTopic($topicInfo);
$postInfo = $forum->createPost(
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$topicId,
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$currentUser,
$_SERVER['REMOTE_ADDR'],
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$postText,
$postParser,
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$postSignature,
$categoryInfo
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);
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$postId = $postInfo->getId();
$forum->incrementCategoryPosts($categoryInfo);
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break;
case 'edit':
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$markUpdated = $postInfo->getUserId() === $currentUserId
&& $postInfo->shouldMarkAsEdited()
&& $postText !== $postInfo->getBody();
$forum->updatePost(
$postId,
remoteAddr: $_SERVER['REMOTE_ADDR'],
body: $postText,
bodyParser: $postParser,
displaySignature: $postSignature,
bumpEdited: $markUpdated
);
if($isEditingTopic && ($topicTitleChanged || $topicTypeChanged))
$forum->updateTopic(
$topicId,
title: $topicTitle,
type: $topicType
);
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break;
}
if(empty($notices)) {
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// does this ternary ever return forum-topic?
$redirect = url(empty($topicInfo) ? 'forum-topic' : 'forum-post', [
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'topic' => $topicId ?? 0,
'post' => $postId ?? 0,
'post_fragment' => 'p' . ($postId ?? 0),
]);
redirect($redirect);
return;
}
}
}
}
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if(!empty($topicInfo))
Template::set('posting_topic', $topicInfo);
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if($mode === 'edit') { // $post is pretty much sure to be populated at this point
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$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();
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Template::set('posting_post', $post);
}
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try {
$lastPostInfo = $forum->getPost(userInfo: $currentUser, getLast: true, deleted: false);
$selectedParser = $lastPostInfo->getParser();
} catch(RuntimeException $ex) {
$selectedParser = Parser::BBCODE;
}
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Template::render('forum.posting', [
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'posting_breadcrumbs' => $forum->getCategoryAncestry($categoryInfo),
'global_accent_colour' => $forum->getCategoryColour($categoryInfo),
'posting_user' => $currentUser,
'posting_user_colour' => $userColours[$currentUser->getId()] ?? $users->getUserColour($currentUser),
'posting_user_posts_count' => $userPostsCounts[$currentUser->getId()] ?? $forum->countPosts(userInfo: $currentUser, deleted: false),
'posting_user_preferred_parser' => $selectedParser,
'posting_forum' => $categoryInfo,
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'posting_notices' => $notices,
'posting_mode' => $mode,
'posting_types' => $topicTypes,
'posting_defaults' => [
'title' => $topicTitle ?? null,
'type' => $topicType ?? null,
'text' => $postText ?? null,
'parser' => $postParser ?? null,
'signature' => $postSignature ?? null,
],
]);