<?php /* * Copyright (c) 2010-2012 Tinyboard Development Group */ if (realpath($_SERVER['SCRIPT_FILENAME']) == str_replace('\\', '/', __FILE__)) { // You cannot request this file directly. exit; } // create a hash/salt pair for validate logins function mkhash($username, $password, $salt = false) { global $config; if (!$salt) { // create some sort of salt for the hash $salt = substr(base64_encode(sha1(rand() . time(), true) . $config['cookies']['salt']), 0, 15); $generated_salt = true; } // generate hash (method is not important as long as it's strong) $hash = substr(base64_encode(md5($username . sha1($username . $password . $salt . ($config['mod']['lock_ip'] ? $_SERVER['REMOTE_ADDR'] : ''), true), true)), 0, 20); if (isset($generated_salt)) return Array($hash, $salt); else return $hash; } function login($username, $password, $makehash=true) { global $mod; // SHA1 password if ($makehash) { $password = sha1($password); } $query = prepare("SELECT `id`,`type`,`boards` FROM `mods` WHERE `username` = :username AND `password` = :password LIMIT 1"); $query->bindValue(':username', $username); $query->bindValue(':password', $password); $query->execute() or error(db_error($query)); if ($user = $query->fetch()) { return $mod = Array( 'id' => $user['id'], 'type' => $user['type'], 'username' => $username, 'hash' => mkhash($username, $password), 'boards' => explode(',', $user['boards']) ); } else return false; } function setCookies() { global $mod, $config; if (!$mod) error('setCookies() was called for a non-moderator!'); setcookie($config['cookies']['mod'], $mod['username'] . // username ':' . $mod['hash'][0] . // password ':' . $mod['hash'][1], // salt time() + $config['cookies']['expire'], $config['cookies']['jail'] ? $config['cookies']['path'] : '/', null, false, true); } function destroyCookies() { global $config; // Delete the cookies setcookie($config['cookies']['mod'], 'deleted', time() - $config['cookies']['expire'], $config['cookies']['jail']?$config['cookies']['path'] : '/', null, false, true); } function create_pm_header() { global $mod; $query = prepare("SELECT `id` FROM `pms` WHERE `to` = :id AND `unread` = 1"); $query->bindValue(':id', $mod['id'], PDO::PARAM_INT); $query->execute() or error(db_error($query)); if ($pm = $query->fetch()) { return Array('id' => $pm['id'], 'waiting' => $query->rowCount() - 1); } return false; } function modLog($action, $_board=null) { global $mod, $board, $config; $query = prepare("INSERT INTO `modlogs` VALUES (:id, :ip, :board, :time, :text)"); $query->bindValue(':id', $mod['id'], PDO::PARAM_INT); $query->bindValue(':ip', $_SERVER['REMOTE_ADDR']); $query->bindValue(':time', time(), PDO::PARAM_INT); $query->bindValue(':text', $action); if (isset($_board)) $query->bindValue(':board', $_board); elseif (isset($board)) $query->bindValue(':board', $board['uri']); else $query->bindValue(':board', null, PDO::PARAM_NULL); $query->execute() or error(db_error($query)); if ($config['syslog']) _syslog(LOG_INFO, '[mod/' . $mod['username'] . ']: ' . $action); } // Generates a <ul> element with a list of linked // boards and their subtitles. (without the <ul> opening and ending tags) function ulBoards() { global $mod, $config; $body = ''; // List of boards $boards = listBoards(); foreach ($boards as &$b) { $body .= '<li>' . '<a href="?/' . sprintf($config['board_path'], $b['uri']) . $config['file_index'] . '">' . sprintf($config['board_abbreviation'], $b['uri']) . '</a> - ' . $b['title'] . (isset($b['subtitle']) ? '<span class="unimportant"> — ' . $b['subtitle'] . '</span>' : '') . ($mod['type'] >= $config['mod']['manageboards'] ? ' <a href="?/' . $b['uri'] . '/edit" class="unimportant">[manage]</a>' : '') . '</li>'; } if ($mod['type'] >= $config['mod']['newboard']) { $body .= '<li style="margin-top:15px;"><a href="?/new"><strong>' . _('Create new board') . '</strong></a></li>'; } return $body; } function form_newBan($ip=null, $reason='', $continue=false, $delete=false, $board=false, $allow_public = false) { global $config, $mod; $boards = listBoards(); $__boards = '<li><input type="radio" checked="checked" name="board" id="board_*" value=""/> <label style="display:inline" for="board_*"><em>' . _('all boards') . '</em></label></li>'; foreach ($boards as &$_board) { $__boards .= '<li>' . '<input type="radio" name="board" id="board_' . $_board['uri'] . '" value="' . $_board['uri'] . '">' . '<label style="display:inline" for="board_' . $_board['uri'] . '"> ' . ($_board['uri'] == '*' ? '<em>"*"</em>' : sprintf($config['board_abbreviation'], $_board['uri']) ) . ' - ' . $_board['title'] . '</label>' . '</li>'; } return '<fieldset><legend>New ban</legend>' . '<form action="?/ban" method="post">' . ($continue ? '<input type="hidden" name="continue" value="' . htmlentities($continue) . '" />' : '') . ($delete || $allow_public ? '<input type="hidden" name="' . (!$allow_public ? 'delete' : 'post') . '" value="' . htmlentities($delete) . '" />' : '') . ($board ? '<input type="hidden" name="board" value="' . htmlentities($board) . '" />' : '') . '<table>' . '<tr>' . '<th><label for="ip">IP ' . ($config['ban_cidr'] ? '<span class="unimportant">(or subnet)' : '') . '</span></label></th>' . '<td><input type="text" name="ip" id="ip" size="30" maxlength="30" ' . (isset($ip) ? 'value="' . htmlentities($ip) . '" ' : '' ) . '/></td>' . '</tr>' . '<tr>' . '<th><label for="reason">Reason</label></th>' . '<td><textarea name="reason" id="reason" rows="5" cols="30">' . htmlentities($reason) . '</textarea></td>' . '</tr>' . ($mod['type'] >= $config['mod']['public_ban'] && $allow_public ? '<tr>' . '<th><label for="message">Message</label></th>' . '<td><input type="checkbox" id="public_message" name="public_message"/>' . ' <input type="text" name="message" id="message" size="35" maxlength="200" value="' . htmlentities($config['mod']['default_ban_message']) . '" />' . ' <span class="unimportant">(public; attached to post)</span></td>' . '<script type="text/javascript">' . 'document.getElementById(\'message\').disabled = true;' . 'document.getElementById(\'public_message\').onchange = function() {' . 'document.getElementById(\'message\').disabled = !this.checked;' . '}' . '</script>' . '</tr>' : '') . '<tr>' . '<th><label for="length">Length</label></th>' . '<td><input type="text" name="length" id="length" size="20" maxlength="40" />' . ' <span class="unimportant">(eg. "2d1h30m" or "2 days")</span></td>' . '</tr>' . '<tr>' . '<th>Board</th>' . '<td><ul style="list-style:none;padding:2px 5px">' . $__boards . '</tl></td>' . '</tr>' . '<tr>' . '<td></td>' . '<td><input name="new_ban" type="submit" value="New Ban" /></td>' . '</tr>' . '</table>' . '</form>' . '</fieldset>'; } function form_newBoard() { return '<fieldset><legend>New board</legend>' . '<form action="?/new" method="post">' . '<table>' . '<tr>' . '<th><label for="board">URI</label></th>' . '<td><input type="text" name="uri" id="board" size="10" />' . ' <span class="unimportant">(eg. "b"; "mu")</span></td>' . '</tr>' . '<tr>' . '<th><label for="title">Title</label></th>' . '<td><input type="text" name="title" id="title" size="25" />' . ' <span class="unimportant">(eg. "Random")</span></td>' . '</tr>' . '<tr>' . '<th><label for="subtitle">Subtitle</label></th>' . '<td><input type="text" name="subtitle" id="subtitle" size="25" />' . ' <span class="unimportant">(optional)</span></td>' . '</tr>' . '<tr>' . '<td></td>' . '<td><input name="new_board" type="submit" value="New Board" /></td>' . '</tr>' . '</table>' . '</form>' . '</fieldset>'; } function removeBan($id) { global $config, $memcached; $query = prepare("DELETE FROM `bans` WHERE `id` = :id"); $query->bindValue(':id', $id, PDO::PARAM_INT); $query->execute() or error(db_error($query)); //if ($config['memcached']['enabled']) { // Remove cached ban // TODO // $memcached->delete("ban_{$id}"); //} } // Validate session if (isset($_COOKIE[$config['cookies']['mod']])) { // Should be username:hash:salt $cookie = explode(':', $_COOKIE[$config['cookies']['mod']]); if (count($cookie) != 3) { destroyCookies(); error($config['error']['malformed']); } $query = prepare("SELECT `id`, `type`, `boards`, `password` FROM `mods` WHERE `username` = :username LIMIT 1"); $query->bindValue(':username', $cookie[0]); $query->execute() or error(db_error($query)); $user = $query->fetch(); // validate password hash if ($cookie[1] != mkhash($cookie[0], $user['password'], $cookie[2])) { // Malformed cookies destroyCookies(); error($config['error']['malformed']); } $mod = Array( 'id' => $user['id'], 'type' => $user['type'], 'username' => $cookie[0], 'boards' => explode(',', $user['boards']) ); }