mirror of
https://github.com/vichan-devel/vichan.git
synced 2024-12-18 02:16:03 +01:00
695 lines
21 KiB
PHP
695 lines
21 KiB
PHP
<?php
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/*
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* Copyright (c) 2010-2013 Tinyboard Development Group
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*/
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require 'inc/functions.php';
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require 'inc/anti-bot.php';
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// Fix for magic quotes
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if (get_magic_quotes_gpc()) {
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function strip_array($var) {
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return is_array($var) ? array_map('strip_array', $var) : stripslashes($var);
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}
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$_GET = strip_array($_GET);
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$_POST = strip_array($_POST);
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}
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if (isset($_POST['delete'])) {
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// Delete
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if (!isset($_POST['board'], $_POST['password']))
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error($config['error']['bot']);
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$password = &$_POST['password'];
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if ($password == '')
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error($config['error']['invalidpassword']);
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$delete = array();
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foreach ($_POST as $post => $value) {
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if (preg_match('/^delete_(\d+)$/', $post, $m)) {
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$delete[] = (int)$m[1];
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}
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}
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checkDNSBL();
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// Check if board exists
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if (!openBoard($_POST['board']))
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error($config['error']['noboard']);
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// Check if banned
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checkBan($board['uri']);
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if (empty($delete))
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error($config['error']['nodelete']);
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foreach ($delete as &$id) {
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$query = prepare(sprintf("SELECT `thread`, `time`,`password` FROM `posts_%s` WHERE `id` = :id", $board['uri']));
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$query->bindValue(':id', $id, PDO::PARAM_INT);
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$query->execute() or error(db_error($query));
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if ($post = $query->fetch()) {
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if ($password != '' && $post['password'] != $password)
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error($config['error']['invalidpassword']);
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if ($post['time'] >= time() - $config['delete_time']) {
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error(sprintf($config['error']['delete_too_soon'], until($post['time'] + $config['delete_time'])));
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}
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if (isset($_POST['file'])) {
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// Delete just the file
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deleteFile($id);
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} else {
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// Delete entire post
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deletePost($id);
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}
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_syslog(LOG_INFO, 'Deleted post: ' .
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'/' . $board['dir'] . $config['dir']['res'] . sprintf($config['file_page'], $post['thread'] ? $post['thread'] : $id) . ($post['thread'] ? '#' . $id : '')
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);
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}
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}
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buildIndex();
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$is_mod = isset($_POST['mod']) && $_POST['mod'];
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$root = $is_mod ? $config['root'] . $config['file_mod'] . '?/' : $config['root'];
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header('Location: ' . $root . $board['dir'] . $config['file_index'], true, $config['redirect_http']);
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} elseif (isset($_POST['report'])) {
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if (!isset($_POST['board'], $_POST['password'], $_POST['reason']))
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error($config['error']['bot']);
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$report = array();
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foreach ($_POST as $post => $value) {
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if (preg_match('/^delete_(\d+)$/', $post, $m)) {
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$report[] = (int)$m[1];
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}
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}
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checkDNSBL();
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// Check if board exists
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if (!openBoard($_POST['board']))
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error($config['error']['noboard']);
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// Check if banned
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checkBan($board['uri']);
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if (empty($report))
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error($config['error']['noreport']);
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if (count($report) > $config['report_limit'])
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error($config['error']['toomanyreports']);
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$reason = &$_POST['reason'];
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markup($reason);
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foreach ($report as &$id) {
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$query = prepare(sprintf("SELECT `thread` FROM `posts_%s` WHERE `id` = :id", $board['uri']));
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$query->bindValue(':id', $id, PDO::PARAM_INT);
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$query->execute() or error(db_error($query));
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$post = $query->fetch();
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if ($post) {
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if ($config['syslog'])
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_syslog(LOG_INFO, 'Reported post: ' .
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'/' . $board['dir'] . $config['dir']['res'] . sprintf($config['file_page'], $post['thread'] ? $post['thread'] : $id) . ($post['thread'] ? '#' . $id : '') .
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' for "' . $reason . '"'
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);
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$query = prepare("INSERT INTO `reports` VALUES (NULL, :time, :ip, :board, :post, :reason)");
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$query->bindValue(':time', time(), PDO::PARAM_INT);
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$query->bindValue(':ip', $_SERVER['REMOTE_ADDR'], PDO::PARAM_STR);
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$query->bindValue(':board', $board['uri'], PDO::PARAM_INT);
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$query->bindValue(':post', $id, PDO::PARAM_INT);
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$query->bindValue(':reason', $reason, PDO::PARAM_STR);
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$query->execute() or error(db_error($query));
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}
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}
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$is_mod = isset($_POST['mod']) && $_POST['mod'];
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$root = $is_mod ? $config['root'] . $config['file_mod'] . '?/' : $config['root'];
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header('Location: ' . $root . $board['dir'] . $config['file_index'], true, $config['redirect_http']);
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} elseif (isset($_POST['post'])) {
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if (!isset($_POST['body'], $_POST['board']))
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error($config['error']['bot']);
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if (!isset($_POST['name']))
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$_POST['name'] = $config['anonymous'];
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if (!isset($_POST['email']))
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$_POST['email'] = '';
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if (!isset($_POST['subject']))
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$_POST['subject'] = '';
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if (!isset($_POST['password']))
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$_POST['password'] = '';
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$post = array('board' => $_POST['board']);
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if (isset($_POST['thread'])) {
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$post['op'] = false;
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$post['thread'] = round($_POST['thread']);
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} elseif ($config['quick_reply'] && isset($_POST['quick-reply'])) {
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$post['op'] = false;
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$post['thread'] = round($_POST['quick-reply']);
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} else
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$post['op'] = true;
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if (!(($post['op'] && $_POST['post'] == $config['button_newtopic']) ||
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(!$post['op'] && $_POST['post'] == $config['button_reply'])))
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error($config['error']['bot']);
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// Check the referrer
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if (!isset($_SERVER['HTTP_REFERER']) || !preg_match($config['referer_match'], $_SERVER['HTTP_REFERER']))
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error($config['error']['referer']);
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checkDNSBL();
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// Check if board exists
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if (!openBoard($post['board']))
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error($config['error']['noboard']);
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// Check if banned
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checkBan($board['uri']);
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// Check for CAPTCHA right after opening the board so the "return" link is in there
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if ($config['recaptcha']) {
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if (!isset($_POST['recaptcha_challenge_field']) || !isset($_POST['recaptcha_response_field']))
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error($config['error']['bot']);
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// Check what reCAPTCHA has to say...
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$resp = recaptcha_check_answer($config['recaptcha_private'],
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$_SERVER['REMOTE_ADDR'],
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$_POST['recaptcha_challenge_field'],
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$_POST['recaptcha_response_field']);
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if (!$resp->is_valid) {
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error($config['error']['captcha']);
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}
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}
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if ($post['mod'] = isset($_POST['mod']) && $_POST['mod']) {
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require 'inc/mod.php';
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if (!$mod) {
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// Liar. You're not a mod.
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error($config['error']['notamod']);
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}
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$post['sticky'] = $post['op'] && isset($_POST['sticky']);
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$post['locked'] = $post['op'] && isset($_POST['lock']);
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$post['raw'] = isset($_POST['raw']);
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if ($post['sticky'] && !hasPermission($config['mod']['sticky'], $board['uri']))
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error($config['error']['noaccess']);
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if ($post['locked'] && !hasPermission($config['mod']['lock'], $board['uri']))
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error($config['error']['noaccess']);
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if ($post['raw'] && !hasPermission($config['mod']['rawhtml'], $board['uri']))
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error($config['error']['noaccess']);
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}
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if (!$post['mod']) {
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$post['antispam_hash'] = checkSpam(array($board['uri'], isset($post['thread']) && !($config['quick_reply'] && isset($_POST['quick-reply'])) ? $post['thread'] : null));
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if ($post['antispam_hash'] === true)
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error($config['error']['spam']);
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}
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if ($config['robot_enable'] && $config['robot_mute']) {
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checkMute();
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}
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//Check if thread exists
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if (!$post['op']) {
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$query = prepare(sprintf("SELECT `sticky`,`locked`,`sage` FROM `posts_%s` WHERE `id` = :id AND `thread` IS NULL LIMIT 1", $board['uri']));
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$query->bindValue(':id', $post['thread'], PDO::PARAM_INT);
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$query->execute() or error(db_error());
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if (!$thread = $query->fetch()) {
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// Non-existant
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error($config['error']['nonexistant']);
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}
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}
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// Check for an embed field
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if ($config['enable_embedding'] && isset($_POST['embed']) && !empty($_POST['embed'])) {
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// yep; validate it
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$value = $_POST['embed'];
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foreach ($config['embedding'] as &$embed) {
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if ($html = preg_replace($embed[0], $embed[1], $value)) {
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if ($html == $value) {
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// Nope.
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continue;
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}
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// Width and height
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$html = str_replace('%%tb_width%%', $config['embed_width'], $html);
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$html = str_replace('%%tb_height%%', $config['embed_height'], $html);
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// Validated. It works.
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$post['embed'] = $html;
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// This looks messy right now, I know. I'll work on a better alternative later.
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$post['no_longer_require_an_image_for_op'] = true;
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break;
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}
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}
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if (!isset($post['embed'])) {
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error($config['error']['invalid_embed']);
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}
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}
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if (!hasPermission($config['mod']['bypass_field_disable'], $board['uri'])) {
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if ($config['field_disable_name'])
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$_POST['name'] = $config['anonymous']; // "forced anonymous"
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if ($config['field_disable_email'])
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$_POST['email'] = '';
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if ($config['field_disable_password'])
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$_POST['password'] = '';
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if ($config['field_disable_subject'] || (!$post['op'] && $config['field_disable_reply_subject']))
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$_POST['subject'] = '';
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}
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// Check for a file
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if ($post['op'] && !isset($post['no_longer_require_an_image_for_op'])) {
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if (!isset($_FILES['file']['tmp_name']) || $_FILES['file']['tmp_name'] == '' && $config['force_image_op'])
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error($config['error']['noimage']);
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}
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$post['name'] = $_POST['name'] != '' ? $_POST['name'] : $config['anonymous'];
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$post['subject'] = $_POST['subject'];
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$post['email'] = str_replace(' ', '%20', htmlspecialchars($_POST['email']));
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$post['body'] = $_POST['body'];
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$post['password'] = $_POST['password'];
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$post['has_file'] = !isset($post['embed']) && (($post['op'] && !isset($post['no_longer_require_an_image_for_op']) && $config['force_image_op']) || (isset($_FILES['file']) && $_FILES['file']['tmp_name'] != ''));
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if ($post['has_file'])
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$post['filename'] = utf8tohtml(get_magic_quotes_gpc() ? stripslashes($_FILES['file']['name']) : $_FILES['file']['name']);
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if (!($post['has_file'] || isset($post['embed'])) || (($post['op'] && $config['force_body_op']) || (!$post['op'] && $config['force_body']))) {
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$stripped_whitespace = preg_replace('/[\s]/u', '', $post['body']);
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if ($stripped_whitespace == '') {
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error($config['error']['tooshort_body']);
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}
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}
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if (!$post['op']) {
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// Check if thread is locked
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// but allow mods to post
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if ($thread['locked'] && !hasPermission($config['mod']['postinlocked'], $board['uri']))
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error($config['error']['locked']);
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$numposts = numPosts($post['thread']);
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if ($config['reply_hard_limit'] != 0 && $config['reply_hard_limit'] <= $numposts['replies'])
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error($config['error']['reply_hard_limit']);
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if ($post['has_file'] && $config['image_hard_limit'] != 0 && $config['image_hard_limit'] <= $numposts['images'])
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error($config['error']['image_hard_limit']);
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}
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if ($post['has_file']) {
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$size = $_FILES['file']['size'];
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if ($size > $config['max_filesize'])
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error(sprintf3($config['error']['filesize'], array(
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'sz' => number_format($size),
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'filesz' => number_format($size),
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'maxsz' => number_format($config['max_filesize'])
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)));
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}
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$post['capcode'] = false;
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if ($mod && preg_match('/^((.+) )?## (.+)$/', $post['name'], $matches)) {
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$name = $matches[2] != '' ? $matches[2] : $config['anonymous'];
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$cap = $matches[3];
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if (isset($config['mod']['capcode'][$mod['type']])) {
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if ( $config['mod']['capcode'][$mod['type']] === true ||
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(is_array($config['mod']['capcode'][$mod['type']]) &&
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in_array($cap, $config['mod']['capcode'][$mod['type']])
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)) {
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$post['capcode'] = utf8tohtml($cap);
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$post['name'] = $name;
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}
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}
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}
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$trip = generate_tripcode($post['name']);
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$post['name'] = $trip[0];
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$post['trip'] = isset($trip[1]) ? $trip[1] : '';
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if (strtolower($post['email']) == 'noko') {
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$noko = true;
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$post['email'] = '';
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} else $noko = false;
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if ($post['has_file']) {
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$post['extension'] = strtolower(substr($post['filename'], strrpos($post['filename'], '.') + 1));
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if (isset($config['filename_func']))
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$post['file_id'] = $config['filename_func']($post);
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else
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$post['file_id'] = time() . substr(microtime(), 2, 3);
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$post['file'] = $board['dir'] . $config['dir']['img'] . $post['file_id'] . '.' . $post['extension'];
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$post['thumb'] = $board['dir'] . $config['dir']['thumb'] . $post['file_id'] . '.' . ($config['thumb_ext'] ? $config['thumb_ext'] : $post['extension']);
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}
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// Check string lengths
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if (mb_strlen($post['name']) > 35)
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error(sprintf($config['error']['toolong'], 'name'));
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if (mb_strlen($post['email']) > 40)
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error(sprintf($config['error']['toolong'], 'email'));
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if (mb_strlen($post['subject']) > 100)
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error(sprintf($config['error']['toolong'], 'subject'));
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if (!$mod && mb_strlen($post['body']) > $config['max_body'])
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error($config['error']['toolong_body']);
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if (mb_strlen($post['password']) > 20)
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error(sprintf($config['error']['toolong'], 'password'));
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wordfilters($post['body']);
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$post['body_nomarkup'] = $post['body'];
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if (!($mod && isset($post['raw']) && $post['raw']))
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$post['tracked_cites'] = markup($post['body'], true);
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// Check for a flood
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if (!hasPermission($config['mod']['flood'], $board['uri']) && checkFlood($post)) {
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error($config['error']['flood']);
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}
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require_once 'inc/filters.php';
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do_filters($post);
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if ($post['has_file']) {
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if (!in_array($post['extension'], $config['allowed_ext']) && !in_array($post['extension'], $config['allowed_ext_files']))
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error($config['error']['unknownext']);
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$is_an_image = !in_array($post['extension'], $config['allowed_ext_files']);
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// Truncate filename if it is too long
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$post['filename'] = substr($post['filename'], 0, $config['max_filename_len']);
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$upload = $_FILES['file']['tmp_name'];
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if (!is_readable($upload))
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error($config['error']['nomove']);
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$post['filehash'] = $config['file_hash']($upload);
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$post['filesize'] = filesize($upload);
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if ($is_an_image) {
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// Check IE MIME type detection XSS exploit
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$buffer = file_get_contents($upload, null, null, null, 255);
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if (preg_match($config['ie_mime_type_detection'], $buffer)) {
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undoImage($post);
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error($config['error']['mime_exploit']);
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}
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require_once 'inc/image.php';
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// find dimensions of an image using GD
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if (!$size = @getimagesize($upload)) {
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error($config['error']['invalidimg']);
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}
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if ($size[0] > $config['max_width'] || $size[1] > $config['max_height']) {
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error($config['error']['maxsize']);
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}
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// The following code corrects the image orientation based on EXIF.
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// Currently only works with the 'convert' option selected but it could easily be expanded to work with the rest if you can be bothered.
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if ($config['thumb_method'] == 'convert') {
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if ($post['extension'] == 'jpg' || $post['extension'] == 'jpeg') {
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$exif = exif_read_data($upload);
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if (isset($exif['Orientation'])) {
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switch($exif['Orientation']) {
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case 1:
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// Normal
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$args = false;
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break;
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case 2:
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// 888888
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// 88
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// 8888
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// 88
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// 88
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$args = '-flop';
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break;
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case 3:
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// 88
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// 88
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// 8888
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// 88
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// 888888
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$args = '-flip -flop';
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break;
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case 4:
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// 88
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// 88
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// 8888
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// 88
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// 888888
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$args = '-flip';
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break;
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case 5:
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// 8888888888
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// 88 88
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// 88
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$args = '-rotate 90 -flop';
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break;
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case 6:
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// 88
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// 88 88
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// 8888888888
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$args = '-rotate 90';
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break;
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case 7:
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// 88
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// 88 88
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// 8888888888
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$args = '-rotate "-90" -flop';
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break;
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case 8:
|
|
// 8888888888
|
|
// 88 88
|
|
// 88
|
|
|
|
$args = '-rotate "-90"';
|
|
break;
|
|
}
|
|
|
|
if ($args)
|
|
shell_exec('convert ' . escapeshellarg($upload) . ' ' . $args . ' ' . escapeshellarg($upload));
|
|
}
|
|
}
|
|
}
|
|
|
|
// create image object
|
|
$image = new Image($upload, $post['extension']);
|
|
|
|
if ($image->size->width > $config['max_width'] || $image->size->height > $config['max_height']) {
|
|
$image->delete();
|
|
error($config['error']['maxsize']);
|
|
}
|
|
|
|
$post['width'] = $image->size->width;
|
|
$post['height'] = $image->size->height;
|
|
|
|
if ($config['spoiler_images'] && isset($_POST['spoiler'])) {
|
|
$post['thumb'] = 'spoiler';
|
|
|
|
$size = @getimagesize($config['spoiler_image']);
|
|
$post['thumbwidth'] = $size[0];
|
|
$post['thumbheight'] = $size[1];
|
|
} elseif ($config['minimum_copy_resize'] &&
|
|
$image->size->width <= $config['thumb_width'] &&
|
|
$image->size->height <= $config['thumb_height'] &&
|
|
$post['extension'] == ($config['thumb_ext'] ? $config['thumb_ext'] : $post['extension'])) {
|
|
|
|
// Copy, because there's nothing to resize
|
|
copy($upload, $post['thumb']);
|
|
|
|
$post['thumbwidth'] = $image->size->width;
|
|
$post['thumbheight'] = $image->size->height;
|
|
} else {
|
|
$thumb = $image->resize(
|
|
$config['thumb_ext'] ? $config['thumb_ext'] : $post['extension'],
|
|
$post['op'] ? $config['thumb_op_width'] : $config['thumb_width'],
|
|
$post['op'] ? $config['thumb_op_height'] : $config['thumb_height']
|
|
);
|
|
|
|
$thumb->to($post['thumb']);
|
|
|
|
$post['thumbwidth'] = $thumb->width;
|
|
$post['thumbheight'] = $thumb->height;
|
|
|
|
$thumb->_destroy();
|
|
}
|
|
|
|
if ($config['redraw_image']) {
|
|
$image->to($post['file']);
|
|
$dont_copy_file = true;
|
|
}
|
|
$image->destroy();
|
|
} else {
|
|
// not an image
|
|
//copy($config['file_thumb'], $post['thumb']);
|
|
$post['thumb'] = 'file';
|
|
|
|
$size = @getimagesize($config['file_thumb']);
|
|
$post['thumbwidth'] = $size[0];
|
|
$post['thumbheight'] = $size[1];
|
|
}
|
|
|
|
if (!isset($dont_copy_file) || !$dont_copy_file) {
|
|
if (!@move_uploaded_file($_FILES['file']['tmp_name'], $post['file']))
|
|
error($config['error']['nomove']);
|
|
}
|
|
}
|
|
|
|
if ($post['has_file']) {
|
|
if ($config['image_reject_repost']) {
|
|
if ($p = getPostByHash($post['filehash'])) {
|
|
undoImage($post);
|
|
error(sprintf($config['error']['fileexists'],
|
|
$post['mod'] ? $config['root'] . $config['file_mod'] . '?/' : $config['root'] .
|
|
$board['dir'] . $config['dir']['res'] .
|
|
($p['thread'] ?
|
|
$p['thread'] . '.html#' . $p['id']
|
|
:
|
|
$p['id'] . '.html'
|
|
)
|
|
));
|
|
}
|
|
} else if (!$post['op'] && $config['image_reject_repost_in_thread']) {
|
|
if ($p = getPostByHashInThread($post['filehash'], $post['thread'])) {
|
|
undoImage($post);
|
|
error(sprintf($config['error']['fileexistsinthread'],
|
|
$post['mod'] ? $config['root'] . $config['file_mod'] . '?/' : $config['root'] .
|
|
$board['dir'] . $config['dir']['res'] .
|
|
($p['thread'] ?
|
|
$p['thread'] . '.html#' . $p['id']
|
|
:
|
|
$p['id'] . '.html'
|
|
)
|
|
));
|
|
}
|
|
}
|
|
}
|
|
|
|
if (!hasPermission($config['mod']['postunoriginal'], $board['uri']) && $config['robot_enable'] && checkRobot($post['body_nomarkup'])) {
|
|
undoImage($post);
|
|
if ($config['robot_mute']) {
|
|
error(sprintf($config['error']['muted'], mute()));
|
|
} else {
|
|
error($config['error']['unoriginal']);
|
|
}
|
|
}
|
|
|
|
// Remove board directories before inserting them into the database.
|
|
if ($post['has_file']) {
|
|
$post['file_path'] = $post['file'];
|
|
$post['file'] = substr_replace($post['file'], '', 0, mb_strlen($board['dir'] . $config['dir']['img']));
|
|
if ($is_an_image && $post['thumb'] != 'spoiler')
|
|
$post['thumb'] = substr_replace($post['thumb'], '', 0, mb_strlen($board['dir'] . $config['dir']['thumb']));
|
|
}
|
|
|
|
$post = (object)$post;
|
|
if ($error = event('post', $post)) {
|
|
undoImage((array)$post);
|
|
error($error);
|
|
}
|
|
$post = (array)$post;
|
|
|
|
$post['id'] = $id = post($post);
|
|
|
|
if (isset($post['antispam_hash'])) {
|
|
incrementSpamHash($post['antispam_hash']);
|
|
}
|
|
|
|
if (isset($post['antispam_hash'])) {
|
|
incrementSpamHash($post['antispam_hash']);
|
|
}
|
|
|
|
if (isset($post['tracked_cites'])) {
|
|
foreach ($post['tracked_cites'] as $cite) {
|
|
$query = prepare('INSERT INTO `cites` VALUES (:board, :post, :target_board, :target)');
|
|
$query->bindValue(':board', $board['uri']);
|
|
$query->bindValue(':post', $id, PDO::PARAM_INT);
|
|
$query->bindValue(':target_board',$cite[0]);
|
|
$query->bindValue(':target', $cite[1], PDO::PARAM_INT);
|
|
$query->execute() or error(db_error($query));
|
|
}
|
|
}
|
|
|
|
buildThread($post['op'] ? $id : $post['thread']);
|
|
|
|
if (!$post['op'] && strtolower($post['email']) != 'sage' && !$thread['sage'] && ($config['reply_limit'] == 0 || $numposts['replies']+1 < $config['reply_limit'])) {
|
|
bumpThread($post['thread']);
|
|
}
|
|
|
|
if ($post['op'])
|
|
clean();
|
|
|
|
event('post-after', $post);
|
|
|
|
buildIndex();
|
|
|
|
if (isset($_SERVER['HTTP_REFERER'])) {
|
|
// Tell Javascript that we posted successfully
|
|
if (isset($_COOKIE[$config['cookies']['js']]))
|
|
$js = json_decode($_COOKIE[$config['cookies']['js']]);
|
|
else
|
|
$js = (object) array();
|
|
// Tell it to delete the cached post for referer
|
|
$js->{$_SERVER['HTTP_REFERER']} = true;
|
|
// Encode and set cookie
|
|
setcookie($config['cookies']['js'], json_encode($js), 0, $config['cookies']['jail'] ? $config['cookies']['path'] : '/', null, false, false);
|
|
}
|
|
|
|
$root = $post['mod'] ? $config['root'] . $config['file_mod'] . '?/' : $config['root'];
|
|
|
|
if ($config['always_noko'] || $noko) {
|
|
$redirect = $root . $board['dir'] . $config['dir']['res'] .
|
|
sprintf($config['file_page'], $post['op'] ? $id:$post['thread']) . (!$post['op'] ? '#' . $id : '');
|
|
} else {
|
|
$redirect = $root . $board['dir'] . $config['file_index'];
|
|
|
|
}
|
|
|
|
if ($config['syslog'])
|
|
_syslog(LOG_INFO, 'New post: /' . $board['dir'] . $config['dir']['res'] .
|
|
sprintf($config['file_page'], $post['op'] ? $id : $post['thread']) . (!$post['op'] ? '#' . $id : ''));
|
|
|
|
rebuildThemes('post');
|
|
header('Location: ' . $redirect, true, $config['redirect_http']);
|
|
} else {
|
|
if (!file_exists($config['has_installed'])) {
|
|
header('Location: install.php', true, $config['redirect_http']);
|
|
} else {
|
|
// They opened post.php in their browser manually.
|
|
error($config['error']['nopost']);
|
|
}
|
|
}
|
|
|