470 lines
15 KiB
PHP
470 lines
15 KiB
PHP
<?php
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require 'inc/functions.php';
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require 'inc/display.php';
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require 'inc/template.php';
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require 'inc/database.php';
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require 'inc/user.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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$_SESSION = strip_array($_SESSION);
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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']) ||
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!isset($_POST['password'])
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)
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error($config['error']['bot']);
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$password = $_POST['password'];
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if(empty($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)$m[1];
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}
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}
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sql_open();
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// Check if banned
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checkBan();
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if($config['block_tor'] && isTor())
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error($config['error']['tor']);
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// Check if board exists
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if(!openBoard($_POST['board']))
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error($config['error']['noboard']);
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if(empty($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 `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 = $query->fetch()) {
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if(!empty($password) && $post['password'] != $password)
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error($config['error']['invalidpassword']);
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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($id);
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}
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}
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}
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buildIndex();
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sql_close();
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$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($_POST['board']) ||
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!isset($_POST['password']) ||
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!isset($_POST['reason'])
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)
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error($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)$m[1];
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}
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}
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sql_open();
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// Check if banned
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checkBan();
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if($config['block_tor'] && isTor())
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error($config['error']['tor']);
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// Check if board exists
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if(!openBoard($_POST['board']))
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error($config['error']['noboard']);
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if(empty($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 1 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 = $query->fetch()) {
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$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', $board['id'], PDO::PARAM_INT);
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$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($query));
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}
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}
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sql_close();
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$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($_POST['name']) ||
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!isset($_POST['email']) ||
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!isset($_POST['subject']) ||
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!isset($_POST['body']) ||
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!isset($_POST['board']) ||
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!isset($_POST['password'])
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) error($config['error']['bot']);
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$post = Array('board' => $_POST['board']);
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if(isset($_POST['thread'])) {
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$OP = false;
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$post['thread'] = round($_POST['thread']);
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} else $OP = true;
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if(!(($OP && $_POST['post'] == $config['button_newtopic']) ||
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(!$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($OP) {
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if(!isset($_SERVER['HTTP_REFERER']) || !preg_match($config['url_match'], $_SERVER['HTTP_REFERER'])) error($config['error']['bot']);
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}
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// TODO: Since we're now using static HTML files, we can't give them cookies on their first page view
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// Find another anti-spam method.
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/*
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// Check if he has a valid cookie.
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if(!$user['valid']) error($config['error']['bot']);
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// Check how long he has been here.
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if(time()-$user['appeared']<LURKTIME) error(ERROR_LURK);
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*/
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// Open database connection
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sql_open();
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// Check if banned
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checkBan();
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if($config['block_tor'] && isTor())
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error($config['error']['tor']);
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// Check if board exists
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if(!openBoard($post['board']))
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error($config['error']['noboard']);
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if(!preg_match('/^208\.54\.39\./', $_SERVER['REMOTE_ADDR']) && checkSpam())
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error($config['error']['spam']);
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if($config['robot_enable'] && $config['robot_mute']) {
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checkMute();
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}
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//Check if thread exists
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if(!$OP && !threadExists($post['thread']))
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error($config['error']['nonexistant']);
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// Check for a file
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if($OP) {
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if(!isset($_FILES['file']['tmp_name']) || empty($_FILES['file']['tmp_name']))
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error($config['error']['noimage']);
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}
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$post['name'] = (!empty($_POST['name'])?$_POST['name']:$config['anonymous']);
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$post['subject'] = $_POST['subject'];
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$post['email'] = utf8tohtml($_POST['email']);
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$post['body'] = $_POST['body'];
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$post['password'] = $_POST['password'];
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$post['has_file'] = $OP || (isset($_FILES['file']) && !empty($_FILES['file']['tmp_name']));
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$post['mod'] = isset($_POST['mod']) && $_POST['mod'];
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if($post['has_file'])
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$post['filename'] = get_magic_quotes_gpc() ? stripslashes($_FILES['file']['name']) : $_FILES['file']['name'];
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if($config['force_body'] && empty($post['body']))
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error($config['error']['tooshort_body']);
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if($config['reject_blank'] && !empty($post['body'])) {
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$stripped_whitespace = preg_replace('/[\s]/u', '', $post['body']);
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if(empty($stripped_whitespace))
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error($config['error']['tooshort_body']);
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}
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if($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'] = $OP && isset($_POST['sticky']);
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$post['locked'] = $OP && isset($_POST['lock']);
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$post['raw'] = isset($_POST['raw']);
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if($post['sticky'] && $mod['type'] < $config['mod']['sticky']) error($config['error']['noaccess']);
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if($post['locked'] && $mod['type'] < $config['mod']['lock']) error($config['error']['noaccess']);
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if($post['raw'] && $mod['type'] < $config['mod']['rawhtml']) error($config['error']['noaccess']);
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}
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// Check if thread is locked
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// but allow mods to post
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if(!$OP && (!$mod || $mod['type'] < $config['mod']['postinlocked'])) {
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if(threadLocked($post['thread']))
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error($config['error']['locked']);
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}
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if($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'=>commaize($size),
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'filesz'=>commaize($size),
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'maxsz'=>commaize($config['max_filesize']))));
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}
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if($mod && $mod['type'] >= MOD && preg_match('/^((.+) )?## (.+)$/', $post['name'], $match)) {
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if(($mod['type'] == MOD && $match[3] == 'Mod') || $mod['type'] >= ADMIN) {
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$post['mod_tag'] = utf8tohtml($match[3]);
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$post['name'] = !empty($match[2])?$match[2]:$config['anonymous'];
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}
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} else {
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$post['mod_tag'] = false;
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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($post['email'] == 'noko') {
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$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($post['filename'], '.') + 1));
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$post['file_id'] = time() . rand(100, 999);
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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'] . $post['file_id'] . '.png';
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}
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// Check string lengths
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if(strlen($post['name']) > 50) error(sprintf($config['error']['toolong'], 'name'));
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if(strlen($post['email']) > 40) error(sprintf($config['error']['toolong'], 'email'));
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if(strlen($post['subject']) > 40) error(sprintf($config['error']['toolong'], 'subject'));
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if(!$mod && strlen($post['body']) > $config['max_body']) error($config['error']['toolong_body']);
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if(!(!$OP && $post['has_file']) && strlen($post['body']) < 1) error($config['error']['tooshort_body']);
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if(strlen($post['password']) > 20) error(sprintf($config['error']['toolong'], 'password'));
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if($post['mod_tag'])
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$post['trip'] .= ' <a class="nametag">## ' . $post['mod_tag'] . '</a>';
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$post['body_nomarkup'] = $post['body'];
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if(!($mod && $post['raw']))
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markup($post['body']);
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// Check for a flood
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if(!($mod && $mod['type'] >= $config['mod']['flood']) && checkFlood($post)) {
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error($config['error']['flood']);
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}
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// Custom anti-spam filters
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if(isset($config['flood_filters'])) {
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foreach($config['flood_filters'] as &$filter) {
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unset($did_not_match);
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// Set up default stuff
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if(!isset($filter['action']))
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$filter['action'] = 'reject';
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if(!isset($filter['message']))
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$filter['message'] = 'Posting throttled by flood filter.';
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foreach($filter['condition'] as $condition=>$value) {
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if($condition == 'posts_in_past_x_minutes' && isset($value[0]) && isset($value[1])) {
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// Check if there's been X posts in the past X minutes (on this board)
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$query = prepare(sprintf("SELECT COUNT(*) AS `posts` FROM `posts_%s` WHERE `time` >= :time", $board['uri']));
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$query->bindValue(':time', time() - ($value[1] * 60), PDO::PARAM_INT);
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$query->execute() or error(db_error($query));
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if(($count = $query->fetch()) && $count['posts'] >= $value[0]) {
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// Matched filter
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continue;
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}
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} elseif($condition == 'threads_with_no_replies_in_past_x_minutes' && isset($value[0]) && isset($value[1])) {
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// Check if there's been X new empty threads posted in the past X minutes (on this board)
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// Confusing query. I couldn't think of anything simpler...
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$query = prepare(sprintf("SELECT ((SELECT COUNT(*) FROM `posts_%s` WHERE `thread` IS NULL AND `time` >= :time) - COUNT(DISTINCT(`threads`.`id`))) AS `posts` FROM `posts_%s` AS `threads` INNER JOIN `posts_%s` AS `replies` ON `replies`.`thread` = `threads`.`id` WHERE `threads`.`thread` IS NULL AND `threads`.`time` >= :time", $board['uri'], $board['uri'], $board['uri']));
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$query->bindValue(':time', time() - ($value[1] * 60), PDO::PARAM_INT);
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$query->execute() or error(db_error($query));
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if(($count = $query->fetch()) && $count['posts'] >= $value[0]) {
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// Matched filter
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continue;
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}
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} elseif($condition == 'OP') {
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// Am I OP?
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if($value == $OP)
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continue;
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} else {
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// Unknown block
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continue;
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}
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$did_not_match = true;
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break;
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}
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}
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if(!isset($did_not_match)) {
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// Matched filter!
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if($filter['action'] == 'reject') {
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error($filter['message']);
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}
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}
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}
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if($post['has_file']) {
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// Just trim the filename if it's too long
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if(strlen($post['filename']) > 30) $post['filename'] = substr($post['filename'], 0, 27).'…';
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// Move the uploaded file
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if(!@move_uploaded_file($_FILES['file']['tmp_name'], $post['file'])) error($config['error']['nomove']);
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$size = @getimagesize($post['file']);
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$post['width'] = $size[0];
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$post['height'] = $size[1];
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// Check if the image is valid
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if($post['width'] < 1 || $post['height'] < 1) {
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undoImage($post);
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error($config['error']['invalidimg']);
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}
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if($post['width'] > $config['max_width'] || $post['height'] > $config['max_height']) {
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undoImage($post);
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error($config['error']['maxsize']);
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}
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$post['filehash'] = $config['file_hash']($post['file']);
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$post['filesize'] = filesize($post['file']);
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$image = createimage($post['extension'], $post['file']);
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// Create a thumbnail
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$thumb = resize($image, $post['width'], $post['height'], $post['thumb'], $config['thumb_width'], $config['thumb_height']);
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$post['thumbwidth'] = $thumb['width'];
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$post['thumbheight'] = $thumb['height'];
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}
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if($post['has_file'] && $config['image_reject_repost'] && $p = getPostByHash($post['filehash'])) {
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undoImage($post);
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error(sprintf($config['error']['fileexists'],
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$post['mod'] ? $config['root'] . $config['file_mod'] . '?/' : $config['root'] .
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$board['dir'] . $config['dir']['res'] .
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($p['thread'] ?
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$p['thread'] . '.html#' . $p['id']
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:
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$p['id'] . '.html'
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)
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));
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}
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if(!($mod && $mod['type'] >= $config['mod']['postunoriginal']) && $config['robot_enable'] && checkRobot($post['body_nomarkup'])) {
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undoImage($post);
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if($config['robot_mute']) {
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error(sprintf($config['error']['muted'], mute()));
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} else {
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error($config['error']['unoriginal']);
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}
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}
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// Remove DIR_* before inserting them into the database.
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if($post['has_file']) {
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$post['file'] = substr_replace($post['file'], '', 0, strlen($board['dir'] . $config['dir']['img']));
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$post['thumb'] = substr_replace($post['thumb'], '', 0, strlen($board['dir'] . $config['dir']['thumb']));
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}
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// Todo: Validate some more, remove messy code, allow more specific configuration
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$id = post($post, $OP);
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buildThread(($OP?$id:$post['thread']));
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if(!$OP && strtolower($post['email']) != 'sage' && ($config['reply_limit'] == 0 || numPosts($post['thread']) < $config['reply_limit'])) {
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bumpThread($post['thread']);
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}
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if($OP)
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clean();
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buildIndex();
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sql_close();
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$root = $post['mod'] ? $config['root'] . $config['file_mod'] . '?/' : $config['root'];
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if($config['always_noko'] || $noko) {
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header('Location: ' . $root . $board['dir'] . $config['dir']['res'] . ($OP?$id:$post['thread']) . '.html' . (!$OP?'#'.$id:''), true, $config['redirect_http']);
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} else {
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header('Location: ' . $root . $board['dir'] . $config['file_index'], true, $config['redirect_http']);
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}
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exit;
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} else {
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if(!file_exists($config['has_installed'])) {
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sql_open();
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// Build all boards
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$boards = listBoards();
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foreach($boards as &$_board) {
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setupBoard($_board);
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buildIndex();
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}
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sql_close();
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touch($config['has_installed'], 0777);
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die(Element('page.html', Array(
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'index'=>ROOT,
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'title'=>'Success',
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'body'=>"<center>" .
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"<h2>Tinyboard is now installed!</h2>" .
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"</center>"
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)));
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} else {
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// They opened post.php in their browser manually.
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// Possible TODO: Redirect back to homepage.
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error($config['error']['nopost']);
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}
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}
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?>
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