153 lines
4.2 KiB
PHP
153 lines
4.2 KiB
PHP
<?php
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/*
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* Copyright (c) 2010-2012 Tinyboard Development Group
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*/
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if (realpath($_SERVER['SCRIPT_FILENAME']) == str_replace('\\', '/', __FILE__)) {
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// You cannot request this file directly.
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exit;
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}
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// create a hash/salt pair for validate logins
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function mkhash($username, $password, $salt = false) {
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global $config;
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if (!$salt) {
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// create some sort of salt for the hash
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$salt = substr(base64_encode(sha1(rand() . time(), true) . $config['cookies']['salt']), 0, 15);
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$generated_salt = true;
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}
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// generate hash (method is not important as long as it's strong)
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$hash = substr(base64_encode(md5($username . sha1($username . $password . $salt . ($config['mod']['lock_ip'] ? $_SERVER['REMOTE_ADDR'] : ''), true), true)), 0, 20);
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if (isset($generated_salt))
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return Array($hash, $salt);
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else
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return $hash;
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}
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function login($username, $password, $makehash=true) {
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global $mod;
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// SHA1 password
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if ($makehash) {
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$password = sha1($password);
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}
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$query = prepare("SELECT `id`,`type`,`boards` FROM `mods` WHERE `username` = :username AND `password` = :password LIMIT 1");
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$query->bindValue(':username', $username);
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$query->bindValue(':password', $password);
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$query->execute() or error(db_error($query));
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if ($user = $query->fetch()) {
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return $mod = Array(
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'id' => $user['id'],
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'type' => $user['type'],
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'username' => $username,
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'hash' => mkhash($username, $password),
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'boards' => explode(',', $user['boards'])
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);
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} else return false;
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}
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function setCookies() {
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global $mod, $config;
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if (!$mod)
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error('setCookies() was called for a non-moderator!');
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setcookie($config['cookies']['mod'],
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$mod['username'] . // username
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':' .
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$mod['hash'][0] . // password
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':' .
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$mod['hash'][1], // salt
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time() + $config['cookies']['expire'], $config['cookies']['jail'] ? $config['cookies']['path'] : '/', null, false, true);
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}
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function destroyCookies() {
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global $config;
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// Delete the cookies
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setcookie($config['cookies']['mod'], 'deleted', time() - $config['cookies']['expire'], $config['cookies']['jail']?$config['cookies']['path'] : '/', null, false, true);
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}
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function modLog($action, $_board=null) {
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global $mod, $board, $config;
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$query = prepare("INSERT INTO `modlogs` VALUES (:id, :ip, :board, :time, :text)");
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$query->bindValue(':id', $mod['id'], PDO::PARAM_INT);
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$query->bindValue(':ip', $_SERVER['REMOTE_ADDR']);
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$query->bindValue(':time', time(), PDO::PARAM_INT);
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$query->bindValue(':text', $action);
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if (isset($_board))
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$query->bindValue(':board', $_board);
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elseif (isset($board))
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$query->bindValue(':board', $board['uri']);
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else
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$query->bindValue(':board', null, PDO::PARAM_NULL);
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$query->execute() or error(db_error($query));
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if ($config['syslog'])
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_syslog(LOG_INFO, '[mod/' . $mod['username'] . ']: ' . $action);
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}
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// Validate session
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if (isset($_COOKIE[$config['cookies']['mod']])) {
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// Should be username:hash:salt
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$cookie = explode(':', $_COOKIE[$config['cookies']['mod']]);
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if (count($cookie) != 3) {
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destroyCookies();
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error($config['error']['malformed']);
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}
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$query = prepare("SELECT `id`, `type`, `boards`, `password` FROM `mods` WHERE `username` = :username LIMIT 1");
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$query->bindValue(':username', $cookie[0]);
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$query->execute() or error(db_error($query));
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$user = $query->fetch();
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// validate password hash
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if ($cookie[1] != mkhash($cookie[0], $user['password'], $cookie[2])) {
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// Malformed cookies
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destroyCookies();
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error($config['error']['malformed']);
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}
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$mod = Array(
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'id' => $user['id'],
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'type' => $user['type'],
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'username' => $cookie[0],
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'boards' => explode(',', $user['boards'])
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);
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}
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function create_pm_header() {
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global $mod, $config;
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if ($config['cache']['enabled'] && ($header = cache::get('pm_unread_' . $mod['id'])) !== false) {
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if ($header === true)
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return false;
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return $header;
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}
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$query = prepare("SELECT `id` FROM `pms` WHERE `to` = :id AND `unread` = 1");
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$query->bindValue(':id', $mod['id'], PDO::PARAM_INT);
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$query->execute() or error(db_error($query));
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if ($pm = $query->fetch())
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$header = Array('id' => $pm['id'], 'waiting' => $query->rowCount() - 1);
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else
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$header = true;
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if ($config['cache']['enabled'])
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cache::set('pm_unread_' . $mod['id'], $header);
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if ($header === true)
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return false;
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return $header;
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}
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