<?php
/*
* Nucleus: PHP/MySQL Weblog CMS (http://nucleuscms.org/)
* Copyright (C) 2002-2009 The Nucleus Group
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
* (see nucleus/documentation/index.html#license for more info)
*/
/**
* @license http://nucleuscms.org/license.txt GNU General Public License
* @copyright Copyright (C) 2002-2009 The Nucleus Group
* @version $Id: globalfunctions.php 1421 2009-11-01 13:45:44Z kaigreve $
*/
// needed if we include globalfunctions from install.php
global $nucleus, $CONF, $DIR_LIBS, $DIR_LANG, $manager, $member;
$nucleus['version'] = 'v3.51';
$nucleus['codename'] = '';
checkVars(array('nucleus', 'CONF', 'DIR_LIBS', 'MYSQL_HOST', 'MYSQL_USER', 'MYSQL_PASSWORD', 'MYSQL_DATABASE', 'DIR_LANG', 'DIR_PLUGINS', 'HTTP_GET_VARS', 'HTTP_POST_VARS', 'HTTP_COOKIE_VARS', 'HTTP_ENV_VARS', 'HTTP_SESSION_VARS', 'HTTP_POST_FILES', 'HTTP_SERVER_VARS', 'GLOBALS', 'argv', 'argc', '_GET', '_POST', '_COOKIE', '_ENV', '_SESSION', '_SERVER', '_FILES'));
$CONF['debug'] = 0;
if ($CONF['debug']) {
error_reporting(E_ALL); // report all errors!
} else {
ini_set('display_errors','0');
error_reporting(E_ERROR | E_WARNING | E_PARSE);
}
/*
Indicates when Nucleus should display startup errors. Set to 1 if you want
the error enabled (default), false otherwise
alertOnHeadersSent
Displays an error when visiting a public Nucleus page and headers have
been sent out to early. This usually indicates an error in either a
configuration file or a language file, and could cause Nucleus to
malfunction
alertOnSecurityRisk
Displays an error only when visiting the admin area, and when one or
more of the installation files (install.php, install.sql, upgrades/
directory) are still on the server.
*/
$CONF['alertOnHeadersSent'] = 1;
$CONF['alertOnSecurityRisk'] = 1;
/*$CONF['ItemURL'] = $CONF['Self'];
$CONF['ArchiveURL'] = $CONF['Self'];
$CONF['ArchiveListURL'] = $CONF['Self'];
$CONF['MemberURL'] = $CONF['Self'];
$CONF['SearchURL'] = $CONF['Self'];
$CONF['BlogURL'] = $CONF['Self'];
$CONF['CategoryURL'] = $CONF['Self'];
// switch URLMode back to normal when $CONF['Self'] ends in .php
// this avoids urls like index.php/item/13/index.php/item/15
if (!isset($CONF['URLMode']) || (($CONF['URLMode'] == 'pathinfo') && (substr($CONF['Self'], strlen($CONF['Self']) - 4) == '.php'))) {
$CONF['URLMode'] = 'normal';
}*/
if (getNucleusPatchLevel() > 0) {
$nucleus['version'] .= '/' . getNucleusPatchLevel();
}
// Avoid notices
if (!isset($CONF['installscript'])) {
$CONF['installscript'] = 0;
}
// we will use postVar, getVar, ... methods instead of HTTP_GET_VARS or _GET
if ($CONF['installscript'] != 1) { // vars were already included in install.php
if (phpversion() >= '4.1.0') {
include_once($DIR_LIBS . 'vars4.1.0.php');
} else {
include_once($DIR_LIBS . 'vars4.0.6.php');
}
}
// sanitize option
$bLoggingSanitizedResult=0;
$bSanitizeAndContinue=0;
$orgRequestURI = serverVar('REQUEST_URI');
sanitizeParams();
// get all variables that can come from the request and put them in the global scope
$blogid = requestVar('blogid');
$itemid = intRequestVar('itemid');
$catid = intRequestVar('catid');
$skinid = requestVar('skinid');
$memberid = requestVar('memberid');
$archivelist = requestVar('archivelist');
$imagepopup = requestVar('imagepopup');
$archive = requestVar('archive');
$query = requestVar('query');
$highlight = requestVar('highlight');
$amount = requestVar('amount');
$action = requestVar('action');
$nextaction = requestVar('nextaction');
$maxresults = requestVar('maxresults');
$startpos = intRequestVar('startpos');
$errormessage = '';
$error = '';
$special = requestVar('special');
$virtualpath = ((getVar('virtualpath') != null) ? getVar('virtualpath') : serverVar('PATH_INFO'));
if (!headers_sent() ) {
header('Generator: Nucleus CMS ' . $nucleus['version']);
}
// include core classes that are needed for login & plugin handling
// added for 3.5 sql_* wrapper
global $MYSQL_HANDLER;
if (!isset($MYSQL_HANDLER))
$MYSQL_HANDLER = array('mysql','');
if ($MYSQL_HANDLER[0] == '')
$MYSQL_HANDLER[0] = 'mysql';
include_once($DIR_LIBS . 'sql/'.$MYSQL_HANDLER[0].'.php');
// end new for 3.5 sql_* wrapper
include_once($DIR_LIBS . 'mysql.php');
include($DIR_LIBS . 'MEMBER.php');
include($DIR_LIBS . 'ACTIONLOG.php');
include($DIR_LIBS . 'MANAGER.php');
include($DIR_LIBS . 'PLUGIN.php');
$manager =& MANAGER::instance();
// make sure there's no unnecessary escaping:
//set_magic_quotes_runtime(0);
if (version_compare(PHP_VERSION, '5.3.0', '<')) {
ini_set('magic_quotes_runtime', '0');
}
// Avoid notices
if (!isset($CONF['UsingAdminArea'])) {
$CONF['UsingAdminArea'] = 0;
}
// only needed when updating logs
if ($CONF['UsingAdminArea']) {
include($DIR_LIBS . 'xmlrpc.inc.php'); // XML-RPC client classes
include_once($DIR_LIBS . 'ADMIN.php');
}
// connect to database
sql_connect();
$SQLCount = 0;
// logs sanitized result if need
if ($orgRequestURI!==serverVar('REQUEST_URI')) {
$msg = "Sanitized [" . serverVar('REMOTE_ADDR') . "] ";
$msg .= $orgRequestURI . " -> " . serverVar('REQUEST_URI');
if ($bLoggingSanitizedResult) {
addToLog(WARNING, $msg);
}
if (!$bSanitizeAndContinue) {
die("");
}
}
// makes sure database connection gets closed on script termination
register_shutdown_function('sql_disconnect');
// read config
getConfig();
// Properly set $CONF['Self'] and others if it's not set... usually when we are access from admin menu
if (!isset($CONF['Self'])) {
$CONF['Self'] = $CONF['IndexURL'];
// strip trailing /
if ($CONF['Self'][strlen($CONF['Self']) -1] == "/") {
$CONF['Self'] = substr($CONF['Self'], 0, strlen($CONF['Self']) -1);
}
/* $CONF['ItemURL'] = $CONF['Self'];
$CONF['ArchiveURL'] = $CONF['Self'];
$CONF['ArchiveListURL'] = $CONF['Self'];
$CONF['MemberURL'] = $CONF['Self'];
$CONF['SearchURL'] = $CONF['Self'];
$CONF['BlogURL'] = $CONF['Self'];
$CONF['CategoryURL'] = $CONF['Self'];*/
}
$CONF['ItemURL'] = $CONF['Self'];
$CONF['ArchiveURL'] = $CONF['Self'];
$CONF['ArchiveListURL'] = $CONF['Self'];
$CONF['MemberURL'] = $CONF['Self'];
$CONF['SearchURL'] = $CONF['Self'];
$CONF['BlogURL'] = $CONF['Self'];
$CONF['CategoryURL'] = $CONF['Self'];
// switch URLMode back to normal when $CONF['Self'] ends in .php
// this avoids urls like index.php/item/13/index.php/item/15
if (!isset($CONF['URLMode']) || (($CONF['URLMode'] == 'pathinfo') && (substr($CONF['Self'], strlen($CONF['Self']) - 4) == '.php'))) {
$CONF['URLMode'] = 'normal';
}
// automatically use simpler toolbar for mozilla
if (($CONF['DisableJsTools'] == 0) && strstr(serverVar('HTTP_USER_AGENT'), 'Mozilla/5.0') && strstr(serverVar('HTTP_USER_AGENT'), 'Gecko') ) {
$CONF['DisableJsTools'] = 2;
}
// login if cookies set
$member = new MEMBER();
// secure cookie key settings (either 'none', 0, 8, 16, 24, or 32)
if (!isset($CONF['secureCookieKey'])) $CONF['secureCookieKey']=24;
switch($CONF['secureCookieKey']){
case 8:
$CONF['secureCookieKeyIP']=preg_replace('/\.[0-9]+\.[0-9]+\.[0-9]+$/','',serverVar('REMOTE_ADDR'));
break;
case 16:
$CONF['secureCookieKeyIP']=preg_replace('/\.[0-9]+\.[0-9]+$/','',serverVar('REMOTE_ADDR'));
break;
case 24:
$CONF['secureCookieKeyIP']=preg_replace('/\.[0-9]+$/','',serverVar('REMOTE_ADDR'));
break;
case 32:
$CONF['secureCookieKeyIP']=serverVar('REMOTE_ADDR');
break;
default:
$CONF['secureCookieKeyIP']='';
}
// login/logout when required or renew cookies
if ($action == 'login') {
// Form Authentication
$login = postVar('login');
$pw = postVar('password');
$shared = intPostVar('shared'); // shared computer or not
$pw=substr($pw,0,40); // avoid md5 collision by using a long key
if ($member->login($login, $pw) ) {
$member->newCookieKey();
$member->setCookies($shared);
if ($CONF['secureCookieKey']!=='none') {
// secure cookie key
$member->setCookieKey(md5($member->getCookieKey().$CONF['secureCookieKeyIP']));
$member->write();
}
// allows direct access to parts of the admin area after logging in
if ($nextaction) {
$action = $nextaction;
}
$manager->notify('LoginSuccess', array('member' => &$member, 'username' => $login) );
$errormessage = '';
ACTIONLOG::add(INFO, "Login successful for $login (sharedpc=$shared)");
} else {
// errormessage for [%errordiv%]
$errormessage = 'Login failed for ' . $login;
$manager->notify('LoginFailed', array('username' => $login) );
ACTIONLOG::add(INFO, $errormessage);
}
/*
Backed out for now: See http://forum.nucleuscms.org/viewtopic.php?t=3684 for details
} elseif (serverVar('PHP_AUTH_USER') && serverVar('PHP_AUTH_PW')) {
// HTTP Authentication
$login = serverVar('PHP_AUTH_USER');
$pw = serverVar('PHP_AUTH_PW');
if ($member->login($login, $pw) ) {
$manager->notify('LoginSuccess',array('member' => &$member));
ACTIONLOG::add(INFO, "HTTP authentication successful for $login");
} else {
$manager->notify('LoginFailed',array('username' => $login));
ACTIONLOG::add(INFO, 'HTTP authentication failed for ' . $login);
//Since bad credentials, generate an apropriate error page
header("WWW-Authenticate: Basic realm=\"Nucleus CMS {$nucleus['version']}\"");
header('HTTP/1.0 401 Unauthorized');
echo 'Invalid username or password';
exit;
}
*/
} elseif (($action == 'logout') && (!headers_sent() ) && cookieVar($CONF['CookiePrefix'] . 'user') ) {
// remove cookies on logout
setcookie($CONF['CookiePrefix'] . 'user', '', (time() - 2592000), $CONF['CookiePath'], $CONF['CookieDomain'], $CONF['CookieSecure']);
setcookie($CONF['CookiePrefix'] . 'loginkey', '', (time() - 2592000), $CONF['CookiePath'], $CONF['CookieDomain'], $CONF['CookieSecure']);
$manager->notify('Logout', array('username' => cookieVar($CONF['CookiePrefix'] . 'user') ) );
} elseif (cookieVar($CONF['CookiePrefix'] . 'user') ) {
// Cookie Authentication
$ck=cookieVar($CONF['CookiePrefix'] . 'loginkey');
// secure cookie key
$ck=substr($ck,0,32); // avoid md5 collision by using a long key
if ($CONF['secureCookieKey']!=='none') $ck=md5($ck.$CONF['secureCookieKeyIP']);
$res = $member->cookielogin(cookieVar($CONF['CookiePrefix'] . 'user'), $ck );
unset($ck);
// renew cookies when not on a shared computer
if ($res && (cookieVar($CONF['CookiePrefix'] . 'sharedpc') != 1) && (!headers_sent() ) ) {
$member->setCookieKey(cookieVar($CONF['CookiePrefix'] . 'loginkey'));
$member->setCookies();
}
}
// login completed
$manager->notify('PostAuthentication', array('loggedIn' => $member->isLoggedIn() ) );
ticketForPlugin();
// first, let's see if the site is disabled or not. always allow admin area access.
if ($CONF['DisableSite'] && !$member->isAdmin() && !$CONF['UsingAdminArea']) {
redirect($CONF['DisableSiteURL']);
exit;
}
// load other classes
include($DIR_LIBS . 'PARSER.php');
include($DIR_LIBS . 'SKIN.php');
include($DIR_LIBS . 'TEMPLATE.php');
include($DIR_LIBS . 'BLOG.php');
include($DIR_LIBS . 'BODYACTIONS.php');
include($DIR_LIBS . 'COMMENTS.php');
include($DIR_LIBS . 'COMMENT.php');
//include($DIR_LIBS . 'ITEM.php');
include($DIR_LIBS . 'NOTIFICATION.php');
include($DIR_LIBS . 'BAN.php');
include($DIR_LIBS . 'PAGEFACTORY.php');
include($DIR_LIBS . 'SEARCH.php');
include($DIR_LIBS . 'entity.php');
// set lastVisit cookie (if allowed)
if (!headers_sent() ) {
if ($CONF['LastVisit']) {
setcookie($CONF['CookiePrefix'] . 'lastVisit', time(), time() + 2592000, $CONF['CookiePath'], $CONF['CookieDomain'], $CONF['CookieSecure']);
} else {
setcookie($CONF['CookiePrefix'] . 'lastVisit', '', (time() - 2592000), $CONF['CookiePath'], $CONF['CookieDomain'], $CONF['CookieSecure']);
}
}
// read language file, only after user has been initialized
$language = getLanguageName();
//include($DIR_LANG . ereg_replace( '[\\|/]', '', $language) . '.php');
include($DIR_LANG . preg_replace( '@\\|/@', '', $language) . '.php');
/*
Backed out for now: See http://forum.nucleuscms.org/viewtopic.php?t=3684 for details
// To remove after v2.5 is released and language files have been updated.
// Including this makes sure that language files for v2.5beta can still be used for v2.5final
// without having weird _SETTINGS_EXTAUTH string showing up in the admin area.
if (!defined('_MEMBERS_BYPASS'))
{
define('_SETTINGS_EXTAUTH', 'Enable External Authentication');
define('_WARNING_EXTAUTH', 'Warning: Enable only if needed.');
define('_MEMBERS_BYPASS', 'Use External Authentication');
}
*/
// make sure the archivetype skinvar keeps working when _ARCHIVETYPE_XXX not defined
if (!defined('_ARCHIVETYPE_MONTH') ) {
define('_ARCHIVETYPE_DAY', 'day');
define('_ARCHIVETYPE_MONTH', 'month');
define('_ARCHIVETYPE_YEAR', 'year');
}
// decode path_info
if ($CONF['URLMode'] == 'pathinfo') {
// initialize keywords if this hasn't been done before
if (!isset($CONF['ItemKey']) || $CONF['ItemKey'] == '') {
$CONF['ItemKey'] = 'item';
}
if (!isset($CONF['ArchiveKey']) || $CONF['ArchiveKey'] == '') {
$CONF['ArchiveKey'] = 'archive';
}
if (!isset($CONF['ArchivesKey']) || $CONF['ArchivesKey'] == '') {
$CONF['ArchivesKey'] = 'archives';
}
if (!isset($CONF['MemberKey']) || $CONF['MemberKey'] == '') {
$CONF['MemberKey'] = 'member';
}
if (!isset($CONF['BlogKey']) || $CONF['BlogKey'] == '') {
$CONF['BlogKey'] = 'blog';
}
if (!isset($CONF['CategoryKey']) || $CONF['CategoryKey'] == '') {
$CONF['CategoryKey'] = 'category';
}
if (!isset($CONF['SpecialskinKey']) || $CONF['SpecialskinKey'] == '') {
$CONF['SpecialskinKey'] = 'special';
}
$parsed = false;
$manager->notify(
'ParseURL',
array(
'type' => basename(serverVar('SCRIPT_NAME') ), // e.g. item, blog, ...
'info' => $virtualpath,
'complete' => &$parsed
)
);
if (!$parsed) {
// default implementation
$data = explode("/", $virtualpath );
for ($i = 0; $i < sizeof($data); $i++) {
switch ($data[$i]) {
case $CONF['ItemKey']: // item/1 (blogid)
$i++;
if ($i < sizeof($data) ) {
$itemid = intval($data[$i]);
}
break;
case $CONF['ArchivesKey']: // archives/1 (blogid)
$i++;
if ($i < sizeof($data) ) {
$archivelist = intval($data[$i]);
}
break;
case $CONF['ArchiveKey']: // two possibilities: archive/yyyy-mm or archive/1/yyyy-mm (with blogid)
if ((($i + 1) < sizeof($data) ) && (!strstr($data[$i + 1], '-') ) ) {
$blogid = intval($data[++$i]);
}
$i++;
if ($i < sizeof($data) ) {
$archive = $data[$i];
}
break;
case 'blogid': // blogid/1
case $CONF['BlogKey']: // blog/1
$i++;
if ($i < sizeof($data) ) {
$blogid = intval($data[$i]);
}
break;
case $CONF['CategoryKey']: // category/1 (catid)
case 'catid':
$i++;
if ($i < sizeof($data) ) {
$catid = intval($data[$i]);
}
break;
case $CONF['MemberKey']:
$i++;
if ($i < sizeof($data) ) {
$memberid = intval($data[$i]);
}
break;
case $CONF['SpecialskinKey']:
$i++;
if ($i < sizeof($data) ) {
$_REQUEST['special'] = $data[$i];
}
break;
default:
// skip...
}
}
}
}
function intPostVar($name) {
return intval(postVar($name) );
}
function intGetVar($name) {
return intval(getVar($name) );
}
function intRequestVar($name) {
return intval(requestVar($name) );
}
function intCookieVar($name) {
return intval(cookieVar($name) );
}
/**
* returns the currently used version (100 = 1.00, 101 = 1.01, etc...)
*/
function getNucleusVersion() {
return 351;
}
/**
* power users can install patches in between nucleus releases. These patches
* usually add new functionality in the plugin API and allow those to
* be tested without having to install CVS.
*/
function getNucleusPatchLevel() {
return 0;
}
/**
* returns the latest version available for download from nucleuscms.org
* or false if unable to attain data
* format will be major.minor/patachlevel
* e.g. 3.41 or 3.41/02
*/
function getLatestVersion() {
if (!function_exists('curl_init')) return false;
$crl = curl_init();
$timeout = 5;
curl_setopt ($crl, CURLOPT_URL,'http://nucleuscms.org/version_check.php');
curl_setopt ($crl, CURLOPT_RETURNTRANSFER, 1);
curl_setopt ($crl, CURLOPT_CONNECTTIMEOUT, $timeout);
$ret = curl_exec($crl);
curl_close($crl);
return $ret;
}
/**
* Connects to mysql server
*/
/* moved to $DIR_LIBS/sql/*.php handler files
function sql_connect() {
global $MYSQL_HOST, $MYSQL_USER, $MYSQL_PASSWORD, $MYSQL_DATABASE, $MYSQL_CONN;
$MYSQL_CONN = @mysql_connect($MYSQL_HOST, $MYSQL_USER, $MYSQL_PASSWORD) or startUpError('<p>Could not connect to MySQL database.</p>', 'Connect Error');
mysql_select_db($MYSQL_DATABASE) or startUpError('<p>Could not select database: ' . mysql_error() . '</p>', 'Connect Error');
return $MYSQL_CONN;
}*/
/**
* returns a prefixed nucleus table name
*/
function sql_table($name) {
global $MYSQL_PREFIX;
if ($MYSQL_PREFIX) {
return $MYSQL_PREFIX . 'nucleus_' . $name;
} else {
return 'nucleus_' . $name;
}
}
function sendContentType($contenttype, $pagetype = '', $charset = _CHARSET) {
global $manager, $CONF;
if (!headers_sent() ) {
// if content type is application/xhtml+xml, only send it to browsers
// that can handle it (IE6 cannot). Otherwise, send text/html
// v2.5: For admin area pages, keep sending text/html (unless it's a debug version)
// application/xhtml+xml still causes too much problems with the javascript implementations
// v3.3: ($CONF['UsingAdminArea'] && !$CONF['debug']) gets removed,
// application/xhtml+xml seems to be working, so we're going to use it if we can.
if (
($contenttype == 'application/xhtml+xml')
&& (!stristr(serverVar('HTTP_ACCEPT'), 'application/xhtml+xml') )
) {
$contenttype = 'text/html';
}
$manager->notify(
'PreSendContentType',
array(
'contentType' => &$contenttype,
'charset' => &$charset,
'pageType' => $pagetype
)
);
// strip strange characters
$contenttype = preg_replace('|[^a-z0-9-+./]|i', '', $contenttype);
$charset = preg_replace('|[^a-z0-9-_]|i', '', $charset);
if ($charset != '') {
header('Content-Type: ' . $contenttype . '; charset=' . $charset);
} else {
header('Content-Type: ' . $contenttype);
}
}
}
/**
* Errors before the database connection has been made - moved to
*/
/* moved to $DIR_LIBS/sql/*.php handler files
function startUpError($msg, $title) {
?>
<html xmlns="http://www.w3.org/1999/xhtml">
<head><title><?php echo htmlspecialchars($title)?></title></head>
<body>
<h1><?php echo htmlspecialchars($title)?></h1>
<?php echo $msg?>
</body>
</html>
<?php exit;
}*/
/**
* disconnects from SQL server
*/
/* moved to $DIR_LIBS/sql/*.php handler files
function sql_disconnect() {
@mysql_close();
}*/
/**
* executes an SQL query
*/
/* moved to $DIR_LIBS/sql/*.php handler files
function sql_query($query) {
global $SQLCount;
$SQLCount++;
$res = mysql_query($query) or print("mySQL error with query $query: " . mysql_error() . '<p />');
return $res;
}*/
/**
* Highlights a specific query in a given HTML text (not within HTML tags) and returns it
*
* @param $text
* text to be highlighted
* @param $expression
* regular expression to be matched (can be an array of expressions as well)
* @param $highlight
* highlight to be used (use \\0 to indicate the matched expression)
*
*/
function highlight($text, $expression, $highlight) {
if (!$highlight || !$expression) {
return $text;
}
if (is_array($expression) && (count($expression) == 0) ) {
return $text;
}
// add a tag in front (is needed for preg_match_all to work correct)
$text = '<!--h-->' . $text;
// split the HTML up so we have HTML tags
// $matches[0][i] = HTML + text
// $matches[1][i] = HTML
// $matches[2][i] = text
preg_match_all('/(<[^>]+>)([^<>]*)/', $text, $matches);
// throw it all together again while applying the highlight to the text pieces
$result = '';
for ($i = 0; $i < sizeof($matches[2]); $i++) {
if ($i != 0) {
$result .= $matches[1][$i];
}
if (is_array($expression) ) {
foreach ($expression as $regex) {
if ($regex) {
$matches[2][$i] = @eregi_replace($regex, $highlight, $matches[2][$i]);
}
}
$result .= $matches[2][$i];
} else {
$result .= @eregi_replace($expression, $highlight, $matches[2][$i]);
}
}
return $result;
}
/**
* Parses a query into an array of expressions that can be passed on to the highlight method
*/
function parseHighlight($query) {
// TODO: add more intelligent splitting logic
// get rid of quotes
$query = preg_replace('/\'|"/', '', $query);
if (!$query) {
return array();
}
$aHighlight = explode(' ', $query);
for ($i = 0; $i < count($aHighlight); $i++) {
$aHighlight[$i] = trim($aHighlight[$i]);
if (strlen($aHighlight[$i]) < 3) {
unset($aHighlight[$i]);
}
}
if (count($aHighlight) == 1) {
return $aHighlight[0];
} else {
return $aHighlight;
}
}
/**
* Checks if email address is valid
*/
function isValidMailAddress($address) {
if (preg_match('/^[a-zA-Z+0-9\._-]+@[a-zA-Z0-9\._-]+\.[A-Za-z]{2,5}$/', $address)) {
return 1;
} else {
return 0;
}
}
// some helper functions
function getBlogIDFromName($name) {
return quickQuery('SELECT bnumber as result FROM ' . sql_table('blog') . ' WHERE bshortname="' . addslashes($name) . '"');
}
function getBlogNameFromID($id) {
return quickQuery('SELECT bname as result FROM ' . sql_table('blog') . ' WHERE bnumber=' . intval($id) );
}
function getBlogIDFromItemID($itemid) {
return quickQuery('SELECT iblog as result FROM ' . sql_table('item') . ' WHERE inumber=' . intval($itemid) );
}
function getBlogIDFromCommentID($commentid) {
return quickQuery('SELECT cblog as result FROM ' . sql_table('comment') . ' WHERE cnumber=' . intval($commentid) );
}
function getBlogIDFromCatID($catid) {
return quickQuery('SELECT cblog as result FROM ' . sql_table('category') . ' WHERE catid=' . intval($catid) );
}
function getCatIDFromName($name) {
return quickQuery('SELECT catid as result FROM ' . sql_table('category') . ' WHERE cname="' . addslashes($name) . '"');
}
function quickQuery($q) {
$res = sql_query($q);
$obj = sql_fetch_object($res);
return $obj->result;
}
function getPluginNameFromPid($pid) {
$res = sql_query('SELECT pfile FROM ' . sql_table('plugin') . ' WHERE pid=' . intval($pid) );
$obj = sql_fetch_object($res);
return $obj->pfile;
// return isset($obj->pfile) ? $obj->pfile : false;
}
function selector() {
global $itemid, $blogid, $memberid, $query, $amount, $archivelist, $maxresults;
global $archive, $skinid, $blog, $memberinfo, $CONF, $member;
global $imagepopup, $catid, $special;
global $manager;
$actionNames = array('addcomment', 'sendmessage', 'createaccount', 'forgotpassword', 'votepositive', 'votenegative', 'plugin');
$action = requestVar('action');
if (in_array($action, $actionNames) ) {
global $DIR_LIBS, $errormessage;
include_once($DIR_LIBS . 'ACTION.php');
$a = new ACTION();
$errorInfo = $a->doAction($action);
if ($errorInfo) {
$errormessage = $errorInfo['message'];
}
}
// show error when headers already sent out
if (headers_sent() && $CONF['alertOnHeadersSent']) {
// try to get line number/filename (extra headers_sent params only exists in PHP 4.3+)
if (function_exists('version_compare') && version_compare('4.3.0', phpversion(), '<=') ) {
headers_sent($hsFile, $hsLine);
$extraInfo = ' in <code>' . $hsFile . '</code> line <code>' . $hsLine . '</code>';
} else {
$extraInfo = '';
}
startUpError(
'<p>The page headers have already been sent out' . $extraInfo . '. This could cause Nucleus not to work in the expected way.</p><p>Usually, this is caused by spaces or newlines at the end of the <code>config.php</code> file, at the end of the language file or at the end of a plugin file. Please check this and try again.</p><p>If you don\'t want to see this error message again, without solving the problem, set <code>$CONF[\'alertOnHeadersSent\']</code> in <code>globalfunctions.php</code> to <code>0</code></p>',
'Page headers already sent'
);
exit;
}
// make is so ?archivelist without blogname or blogid shows the archivelist
// for the default weblog
if (serverVar('QUERY_STRING') == 'archivelist') {
$archivelist = $CONF['DefaultBlog'];
}
// now decide which type of skin we need
if ($itemid) {
// itemid given -> only show that item
$type = 'item';
if (!$manager->existsItem($itemid,0,0) ) {
doError(_ERROR_NOSUCHITEM);
}
global $itemidprev, $itemidnext, $catid, $itemtitlenext, $itemtitleprev;
// 1. get timestamp, blogid and catid for item
$query = 'SELECT itime, iblog, icat FROM ' . sql_table('item') . ' WHERE inumber=' . intval($itemid);
$res = sql_query($query);
$obj = sql_fetch_object($res);
// if a different blog id has been set through the request or selectBlog(),
// deny access
if ($blogid && (intval($blogid) != $obj->iblog) ) {
doError(_ERROR_NOSUCHITEM);
}
// if a category has been selected which doesn't match the item, ignore the
// category. #85
if (($catid != 0) && ($catid != $obj->icat) ) {
$catid = 0;
}
$blogid = $obj->iblog;
$timestamp = strtotime($obj->itime);
$b =& $manager->getBlog($blogid);
if ($b->isValidCategory($catid) ) {
$catextra = ' and icat=' . $catid;
} else {
$catextra = '';
}
// get previous itemid and title
$query = 'SELECT inumber, ititle FROM ' . sql_table('item') . ' WHERE itime<' . mysqldate($timestamp) . ' and idraft=0 and iblog=' . $blogid . $catextra . ' ORDER BY itime DESC LIMIT 1';
$res = sql_query($query);
$obj = sql_fetch_object($res);
if ($obj) {
$itemidprev = $obj->inumber;
$itemtitleprev = $obj->ititle;
}
// get next itemid and title
$query = 'SELECT inumber, ititle FROM ' . sql_table('item') . ' WHERE itime>' . mysqldate($timestamp) . ' and itime <= ' . mysqldate($b->getCorrectTime()) . ' and idraft=0 and iblog=' . $blogid . $catextra . ' ORDER BY itime ASC LIMIT 1';
$res = sql_query($query);
$obj = sql_fetch_object($res);
if ($obj) {
$itemidnext = $obj->inumber;
$itemtitlenext = $obj->ititle;
}
} elseif ($archive) {
// show archive
$type = 'archive';
// get next and prev month links ...
global $archivenext, $archiveprev, $archivetype, $archivenextexists, $archiveprevexists;
// sql queries for the timestamp of the first and the last published item
$query = "SELECT UNIX_TIMESTAMP(itime) as result FROM ".sql_table('item')." WHERE idraft=0 ORDER BY itime ASC";
$first_timestamp=quickQuery ($query);
$query = "SELECT UNIX_TIMESTAMP(itime) as result FROM ".sql_table('item')." WHERE idraft=0 ORDER BY itime DESC";
$last_timestamp=quickQuery ($query);
sscanf($archive, '%d-%d-%d', $y, $m, $d);
if ($d != 0) {
$archivetype = _ARCHIVETYPE_DAY;
$t = mktime(0, 0, 0, $m, $d, $y);
// one day has 24 * 60 * 60 = 86400 seconds
$archiveprev = strftime('%Y-%m-%d', $t - 86400 );
// check for published items
if ($t > $first_timestamp) {
$archiveprevexists = true;
}
else {
$archiveprevexists = false;
}
// one day later
$t += 86400;
$archivenext = strftime('%Y-%m-%d', $t);
if ($t < $last_timestamp) {
$archivenextexists = true;
}
else {
$archivenextexists = false;
}
} elseif ($m == 0) {
$archivetype = _ARCHIVETYPE_YEAR;
$t = mktime(0, 0, 0, 12, 31, $y - 1);
// one day before is in the previous year
$archiveprev = strftime('%Y', $t);
if ($t > $first_timestamp) {
$archiveprevexists = true;
}
else {
$archiveprevexists = false;
}
// timestamp for the next year
$t = mktime(0, 0, 0, 1, 1, $y + 1);
$archivenext = strftime('%Y', $t);
if ($t < $last_timestamp) {
$archivenextexists = true;
}
else {
$archivenextexists = false;
}
} else {
$archivetype = _ARCHIVETYPE_MONTH;
$t = mktime(0, 0, 0, $m, 1, $y);
// one day before is in the previous month
$archiveprev = strftime('%Y-%m', $t - 86400);
if ($t > $first_timestamp) {
$archiveprevexists = true;
}
else {
$archiveprevexists = false;
}
// timestamp for the next month
$t = mktime(0, 0, 0, $m+1, 1, $y);
$archivenext = strftime('%Y-%m', $t);
if ($t < $last_timestamp) {
$archivenextexists = true;
}
else {
$archivenextexists = false;
}
}
} elseif ($archivelist) {
$type = 'archivelist';
if (is_numeric($archivelist)) {
$blogid = intVal($archivelist);
} else {
$blogid = getBlogIDFromName($archivelist);
}
if (!$blogid) {
doError(_ERROR_NOSUCHBLOG);
}
} elseif ($query) {
global $startpos;
$type = 'search';
$query = stripslashes($query);
if (is_numeric($blogid)) {
$blogid = intVal($blogid);
} else {
$blogid = getBlogIDFromName($blogid);
}
if (!$blogid) {
doError(_ERROR_NOSUCHBLOG);
}
} elseif ($memberid) {
$type = 'member';
if (!MEMBER::existsID($memberid) ) {
doError(_ERROR_NOSUCHMEMBER);
}
$memberinfo = $manager->getMember($memberid);
} elseif ($imagepopup) {
// media object (images etc.)
$type = 'imagepopup';
// TODO: check if media-object exists
// TODO: set some vars?
} else {
// show regular index page
global $startpos;
$type = 'index';
}
// any type of skin with catid
if ($catid && !$blogid) {
$blogid = getBlogIDFromCatID($catid);
}
// decide which blog should be displayed
if (!$blogid) {
$blogid = $CONF['DefaultBlog'];
}
$b =& $manager->getBlog($blogid);
$blog = $b; // references can't be placed in global variables?
if (!$blog->isValid) {
doError(_ERROR_NOSUCHBLOG);
}
// set catid if necessary
if ($catid) {
// check if the category is valid
if (!$blog->isValidCategory($catid)) {
doError(_ERROR_NOSUCHCATEGORY);
} else {
$blog->setSelectedCategory($catid);
}
}
// decide which skin should be used
if ($skinid != '' && ($skinid == 0) ) {
selectSkin($skinid);
}
if (!$skinid) {
$skinid = $blog->getDefaultSkin();
}
//$special = requestVar('special'); //get at top of file as global
if (!empty($special) && isValidShortName($special)) {
$type = strtolower($special);
}
$skin = new SKIN($skinid);
if (!$skin->isValid) {
doError(_ERROR_NOSUCHSKIN);
}
// parse the skin
$skin->parse($type);
// check to see we should throw JustPosted event
$blog->checkJustPosted();
}
/**
* Show error skin with given message. An optional skin-object to use can be given
*/
function doError($msg, $skin = '') {
global $errormessage, $CONF, $skinid, $blogid, $manager;
if ($skin == '') {
if (SKIN::existsID($skinid) ) {
$skin = new SKIN($skinid);
} elseif ($manager->existsBlogID($blogid) ) {
$blog =& $manager->getBlog($blogid);
$skin = new SKIN($blog->getDefaultSkin() );
} elseif ($CONF['DefaultBlog']) {
$blog =& $manager->getBlog($CONF['DefaultBlog']);
$skin = new SKIN($blog->getDefaultSkin() );
} else {
// this statement should actually never be executed
$skin = new SKIN($CONF['BaseSkin']);
}
}
$skinid = $skin->id;
$errormessage = $msg;
$skin->parse('error');
exit;
}
function getConfig() {
global $CONF;
$query = 'SELECT * FROM ' . sql_table('config');
$res = sql_query($query);
while ($obj = sql_fetch_object($res) ) {
$CONF[$obj->name] = $obj->value;
}
}
// some checks for names of blogs, categories, templates, members, ...
function isValidShortName($name) {
return eregi('^[a-z0-9]+$', $name);
}
function isValidDisplayName($name) {
return eregi('^[a-z0-9]+[a-z0-9 ]*[a-z0-9]+$', $name);
}
function isValidCategoryName($name) {
return 1;
}
function isValidTemplateName($name) {
return eregi('^[a-z0-9/]+$', $name);
}
function isValidSkinName($name) {
return eregi('^[a-z0-9/]+$', $name);
}
// add and remove linebreaks
function addBreaks($var) {
return nl2br($var);
}
function removeBreaks($var) {
return preg_replace("/<br \/>([\r\n])/", "$1", $var);
}
// shortens a text string to maxlength ($toadd) is what needs to be added
// at the end (end length is <= $maxlength)
function shorten($text, $maxlength, $toadd) {
// 1. remove entities...
$trans = get_html_translation_table(HTML_ENTITIES);
$trans = array_flip($trans);
$text = strtr($text, $trans);
// 2. the actual shortening
if (strlen($text) > $maxlength) {
$text = substr($text, 0, $maxlength - strlen($toadd) ) . $toadd;
}
return $text;
}
/**
* Converts a unix timestamp to a mysql DATETIME format, and places
* quotes around it.
*/
function mysqldate($timestamp) {
return '"' . date('Y-m-d H:i:s', $timestamp) . '"';
}
/**
* functions for use in index.php
*/
function selectBlog($shortname) {
global $blogid, $archivelist;
$blogid = getBlogIDFromName($shortname);
// also force archivelist variable, if it is set
if ($archivelist) {
$archivelist = $blogid;
}
}
function selectSkin($skinname) {
global $skinid;
$skinid = SKIN::getIdFromName($skinname);
}
/**
* Can take either a category ID or a category name (be aware that
* multiple categories can have the same name)
*/
function selectCategory($cat) {
global $catid;
if (is_numeric($cat) ) {
$catid = intval($cat);
} else {
$catid = getCatIDFromName($cat);
}
}
function selectItem($id) {
global $itemid;
$itemid = intval($id);
}
// force the use of a language file (warning: can cause warnings)
function selectLanguage($language) {
global $DIR_LANG;
// include($DIR_LANG . ereg_replace( '[\\|/]', '', $language) . '.php');
include($DIR_LANG . preg_replace( '@\\|/@', '', $language) . '.php');
}
function parseFile($filename, $includeMode = 'normal', $includePrefix = '') {
$handler = new ACTIONS('fileparser');
$parser = new PARSER(SKIN::getAllowedActionsForType('fileparser'), $handler);
$handler->parser =& $parser;
// set IncludeMode properties of parser
PARSER::setProperty('IncludeMode', $includeMode);
PARSER::setProperty('IncludePrefix', $includePrefix);
if (!file_exists($filename) ) {
doError('A file is missing');
}
$fsize = filesize($filename);
if ($fsize <= 0) {
return;
}
// read file
$fd = fopen ($filename, 'r');
$contents = fread ($fd, $fsize);
fclose ($fd);
// parse file contents
$parser->parse($contents);
}
/**
* Outputs a debug message
*/
function debug($msg) {
echo '<p><b>' . $msg . "</b></p>\n";
}
// shortcut
function addToLog($level, $msg) {
ACTIONLOG::add($level, $msg);
}
// shows a link to help file
function help($id) {
echo helpHtml($id);
}
function helpHtml($id) {
global $CONF;
return helplink($id) . '<img src="' . $CONF['AdminURL'] . 'documentation/icon-help.gif" width="15" height="15" alt="' . _HELP_TT . '" title="' . _HELP_TT . '" /></a>';
}
function helplink($id) {
global $CONF;
return '<a href="' . $CONF['AdminURL'] . 'documentation/help.html#'. $id . '" onclick="if (event && event.preventDefault) event.preventDefault(); return help(this.href);">';
}
function getMailFooter() {
$message = "\n\n-----------------------------";
$message .= "\n Powered by Nucleus CMS";
$message .= "\n(http://www.nucleuscms.org/)";
return $message;
}
/**
* Returns the name of the language to use
* preference priority: member - site
* defaults to english when no good language found
*
* checks if file exists, etc...
*/
function getLanguageName() {
global $CONF, $member;
if ($member && $member->isLoggedIn() ) {
// try to use members language
$memlang = $member->getLanguage();
if (($memlang != '') && (checkLanguage($memlang) ) ) {
return $memlang;
}
}
// use default language
if (checkLanguage($CONF['Language']) ) {
return $CONF['Language'];
} else {
return 'english';
}
}
/**
* Includes a PHP file. This method can be called while parsing templates and skins
*/
function includephp($filename) {
// make predefined variables global, so most simple scripts can be used here
// apache (names taken from PHP doc)
global $GATEWAY_INTERFACE, $SERVER_NAME, $SERVER_SOFTWARE, $SERVER_PROTOCOL;
global $REQUEST_METHOD, $QUERY_STRING, $DOCUMENT_ROOT, $HTTP_ACCEPT;
global $HTTP_ACCEPT_CHARSET, $HTTP_ACCEPT_ENCODING, $HTTP_ACCEPT_LANGUAGE;
global $HTTP_CONNECTION, $HTTP_HOST, $HTTP_REFERER, $HTTP_USER_AGENT;
global $REMOTE_ADDR, $REMOTE_PORT, $SCRIPT_FILENAME, $SERVER_ADMIN;
global $SERVER_PORT, $SERVER_SIGNATURE, $PATH_TRANSLATED, $SCRIPT_NAME;
global $REQUEST_URI;
// php (taken from PHP doc)
global $argv, $argc, $PHP_SELF, $HTTP_COOKIE_VARS, $HTTP_GET_VARS, $HTTP_POST_VARS;
global $HTTP_POST_FILES, $HTTP_ENV_VARS, $HTTP_SERVER_VARS, $HTTP_SESSION_VARS;
// other
global $PATH_INFO, $HTTPS, $HTTP_RAW_POST_DATA, $HTTP_X_FORWARDED_FOR;
if (@file_exists($filename) ) {
include($filename);
}
}
/**
* Checks if a certain language/plugin exists
*/
function checkLanguage($lang) {
global $DIR_LANG ;
// return file_exists($DIR_LANG . ereg_replace( '[\\|/]', '', $lang) . '.php');
return file_exists($DIR_LANG . preg_replace( '@\\|/@', '', $lang) . '.php');
}
function checkPlugin($plug) {
global $DIR_PLUGINS;
return file_exists($DIR_PLUGINS . ereg_replace( '[\\|/]', '', $plug) . '.php');
// return file_exists($DIR_PLUGINS . preg_replace( '@\\|/@', '', $plug) . '.php');
}
/**
* Centralisation of the functions that generate links
*/
function createItemLink($itemid, $extra = '') {
return createLink('item', array('itemid' => $itemid, 'extra' => $extra) );
}
function createMemberLink($memberid, $extra = '') {
return createLink('member', array('memberid' => $memberid, 'extra' => $extra) );
}
function createCategoryLink($catid, $extra = '') {
return createLink('category', array('catid' => $catid, 'extra' => $extra) );
}
function createArchiveListLink($blogid = '', $extra = '') {
return createLink('archivelist', array('blogid' => $blogid, 'extra' => $extra) );
}
function createArchiveLink($blogid, $archive, $extra = '') {
return createLink('archive', array('blogid' => $blogid, 'archive' => $archive, 'extra' => $extra) );
}
function createBlogidLink($blogid, $params = '') {
return createLink('blog', array('blogid' => $blogid, 'extra' => $params) );
}
function createLink($type, $params) {
global $manager, $CONF;
$generatedURL = '';
$usePathInfo = ($CONF['URLMode'] == 'pathinfo');
// ask plugins first
$created = false;
if ($usePathInfo) {
$manager->notify(
'GenerateURL',
array(
'type' => $type,
'params' => $params,
'completed' => &$created,
'url' => &$url
)
);
}
// if a plugin created the URL, return it
if ($created) {
return $url;
}
// default implementation
switch ($type) {
case 'item':
if ($usePathInfo) {
$url = $CONF['ItemURL'] . '/' . $CONF['ItemKey'] . '/' . $params['itemid'];
} else {
$url = $CONF['ItemURL'] . '?itemid=' . $params['itemid'];
}
break;
case 'member':
if ($usePathInfo) {
$url = $CONF['MemberURL'] . '/' . $CONF['MemberKey'] . '/' . $params['memberid'];
} else {
$url = $CONF['MemberURL'] . '?memberid=' . $params['memberid'];
}
break;
case 'category':
if ($usePathInfo) {
$url = $CONF['CategoryURL'] . '/' . $CONF['CategoryKey'] . '/' . $params['catid'];
} else {
$url = $CONF['CategoryURL'] . '?catid=' . $params['catid'];
}
break;
case 'archivelist':
if (!$params['blogid']) {
$params['blogid'] = $CONF['DefaultBlog'];
}
if ($usePathInfo) {
$url = $CONF['ArchiveListURL'] . '/' . $CONF['ArchivesKey'] . '/' . $params['blogid'];
} else {
$url = $CONF['ArchiveListURL'] . '?archivelist=' . $params['blogid'];
}
break;
case 'archive':
if ($usePathInfo) {
$url = $CONF['ArchiveURL'] . '/' . $CONF['ArchiveKey'] . '/'.$params['blogid'].'/' . $params['archive'];
} else {
$url = $CONF['ArchiveURL'] . '?blogid='.$params['blogid'].'&archive=' . $params['archive'];
}
break;
case 'blog':
if ($usePathInfo) {
$url = $CONF['BlogURL'] . '/' . $CONF['BlogKey'] . '/' . $params['blogid'];
} else {
$url = $CONF['BlogURL'] . '?blogid=' . $params['blogid'];
}
break;
}
return addLinkParams($url, (isset($params['extra'])? $params['extra'] : null));
}
function createBlogLink($url, $params) {
global $CONF;
if ($CONF['URLMode'] == 'normal') {
if (strpos($url, '?') === FALSE && is_array($params)) {
$fParam = reset($params);
$fKey = key($params);
array_shift($params);
$url .= '?' . $fKey . '=' . $fParam;
}
} elseif ($CONF['URLMode'] == 'pathinfo' && substr($url, -1) == '/') {
$url = substr($url, 0, -1);
}
return addLinkParams($url, $params);
}
function addLinkParams($link, $params) {
global $CONF;
if (is_array($params) ) {
if ($CONF['URLMode'] == 'pathinfo') {
foreach ($params as $param => $value) {
$link .= '/' . $param . '/' . urlencode($value);
}
} else {
foreach ($params as $param => $value) {
$link .= '&' . $param . '=' . urlencode($value);
}
}
}
return $link;
}
/**
* @param $querystr
* querystring to alter (e.g. foo=1&bar=2&x=y)
* @param $param
* name of parameter to change (e.g. 'foo')
* @param $value
* New value for that parameter (e.g. 3)
* @result
* altered query string (for the examples above: foo=3&bar=2&x=y)
*/
function alterQueryStr($querystr, $param, $value) {
$vars = explode('&', $querystr);
$set = false;
for ($i = 0; $i < count($vars); $i++) {
$v = explode('=', $vars[$i]);
if ($v[0] == $param) {
$v[1] = $value;
$vars[$i] = implode('=', $v);
$set = true;
break;
}
}
if (!$set) {
$vars[] = $param . '=' . $value;
}
return ltrim(implode('&', $vars), '&');
}
// passes one variable as hidden input field (multiple fields for arrays)
// @see passRequestVars in varsx.x.x.php
function passVar($key, $value) {
// array ?
if (is_array($value) ) {
for ($i = 0; $i < sizeof($value); $i++) {
passVar($key . '[' . $i . ']', $value[$i]);
}
return;
}
// other values: do stripslashes if needed
?><input type="hidden" name="<?php echo htmlspecialchars($key)?>" value="<?php echo htmlspecialchars(undoMagic($value) )?>" /><?php
}
/*
Date format functions (to be used from [%date(..)%] skinvars
*/
function formatDate($format, $timestamp, $defaultFormat, &$blog) {
// apply blog offset (#42)
$boffset = $blog ? $blog->getTimeOffset() * 3600 : 0;
$offset = date('Z', $timestamp) + $boffset;
switch ($format) {
case 'rfc822':
if ($offset >= 0) {
$tz = '+';
} else {
$tz = '-';
$offset = -$offset;
}
$tz .= sprintf("%02d%02d", floor($offset / 3600), round(($offset % 3600) / 60) );
return date('D, j M Y H:i:s ', $timestamp) . $tz;
case 'rfc822GMT':
$timestamp -= $offset;
return date('D, j M Y H:i:s ', $timestamp) . 'GMT';
case 'utc':
$timestamp -= $offset;
return date('Y-m-d\TH:i:s\Z', $timestamp);
case 'iso8601':
if ($offset >= 0) {
$tz = '+';
} else {
$tz = '-';
$offset = -$offset;
}
$tz .= sprintf("%02d:%02d", floor($offset / 3600), round(($offset % 3600) / 60) );
return date('Y-m-d\TH:i:s', $timestamp) . $tz;
default :
return strftime($format ? $format : $defaultFormat, $timestamp);
}
}
function checkVars($aVars) {
global $HTTP_GET_VARS, $HTTP_POST_VARS, $HTTP_COOKIE_VARS, $HTTP_ENV_VARS, $HTTP_POST_FILES, $HTTP_SESSION_VARS;
foreach ($aVars as $varName) {
if (phpversion() >= '4.1.0') {
if ( isset($_GET[$varName])
|| isset($_POST[$varName])
|| isset($_COOKIE[$varName])
|| isset($_ENV[$varName])
|| isset($_SESSION[$varName])
|| isset($_FILES[$varName])
) {
die('Sorry. An error occurred.');
}
} else {
if ( isset($HTTP_GET_VARS[$varName])
|| isset($HTTP_POST_VARS[$varName])
|| isset($HTTP_COOKIE_VARS[$varName])
|| isset($HTTP_ENV_VARS[$varName])
|| isset($HTTP_SESSION_VARS[$varName])
|| isset($HTTP_POST_FILES[$varName])
) {
die('Sorry. An error occurred.');
}
}
}
}
/**
* Sanitize parameters such as $_GET and $_SERVER['REQUEST_URI'] etc.
* to avoid XSS
*/
function sanitizeParams()
{
global $HTTP_SERVER_VARS;
$array = array();
$str = '';
$frontParam = '';
// REQUEST_URI of $HTTP_SERVER_VARS
$str =& $HTTP_SERVER_VARS["REQUEST_URI"];
serverStringToArray($str, $array, $frontParam);
sanitizeArray($array);
arrayToServerString($array, $frontParam, $str);
// QUERY_STRING of $HTTP_SERVER_VARS
$str =& $HTTP_SERVER_VARS["QUERY_STRING"];
serverStringToArray($str, $array, $frontParam);
sanitizeArray($array);
arrayToServerString($array, $frontParam, $str);
if (phpversion() >= '4.1.0') {
// REQUEST_URI of $_SERVER
$str =& $_SERVER["REQUEST_URI"];
serverStringToArray($str, $array, $frontParam);
sanitizeArray($array);
arrayToServerString($array, $frontParam, $str);
// QUERY_STRING of $_SERVER
$str =& $_SERVER["QUERY_STRING"];
serverStringToArray($str, $array, $frontParam);
sanitizeArray($array);
arrayToServerString($array, $frontParam, $str);
}
// $_GET
convArrayForSanitizing($_GET, $array);
sanitizeArray($array);
revertArrayForSanitizing($array, $_GET);
// $_REQUEST (only GET param)
convArrayForSanitizing($_REQUEST, $array);
sanitizeArray($array);
revertArrayForSanitizing($array, $_REQUEST);
}
/**
* Check ticket when not checked in plugin's admin page
* to avoid CSRF.
* Also avoid the access to plugin/index.php by guest user.
*/
function ticketForPlugin(){
global $CONF,$DIR_PLUGINS,$member,$ticketforplugin;
/* initialize */
$ticketforplugin=array();
$ticketforplugin['ticket']=false;
/* Check if using plugin's php file. */
if ($p_translated=serverVar('PATH_TRANSLATED')) {
if (!file_exists($p_translated)) $p_translated='';
}
if (!$p_translated) {
$p_translated=serverVar('SCRIPT_FILENAME');
if (!file_exists($p_translated)) {
header("HTTP/1.0 404 Not Found");
exit('');
}
}
$p_translated=str_replace('\\','/',$p_translated);
$d_plugins=str_replace('\\','/',$DIR_PLUGINS);
if (strpos($p_translated,$d_plugins)!==0) return;// This isn't plugin php file.
/* Solve the plugin php file or admin directory */
$phppath=substr($p_translated,strlen($d_plugins));
$phppath=preg_replace('!^/!','',$phppath);// Remove the first "/" if exists.
$path=preg_replace('/^NP_(.*)\.php$/','$1',$phppath); // Remove the first "NP_" and the last ".php" if exists.
$path=preg_replace('!^([^/]*)/(.*)$!','$1',$path); // Remove the "/" and beyond.
/* Solve the plugin name. */
$plugins=array();
$query='SELECT pfile FROM '.sql_table('plugin');
$res=sql_query($query);
while($row=sql_fetch_row($res)) {
$name=substr($row[0],3);
$plugins[strtolower($name)]=$name;
}
sql_free_result($res);
if ($plugins[$path]) $plugin_name=$plugins[$path];
else if (in_array($path,$plugins)) $plugin_name=$path;
else {
header("HTTP/1.0 404 Not Found");
exit('');
}
/* Return if not index.php */
if ( $phppath!=strtolower($plugin_name).'/'
&& $phppath!=strtolower($plugin_name).'/index.php' ) return;
/* Exit if not logged in. */
if ( !$member->isLoggedIn() ) exit("You aren't logged in.");
global $manager,$DIR_LIBS,$DIR_LANG,$HTTP_GET_VARS,$HTTP_POST_VARS;
/* Check if this feature is needed (ie, if "$manager->checkTicket()" is not included in the script). */
if (!($p_translated=serverVar('PATH_TRANSLATED'))) $p_translated=serverVar('SCRIPT_FILENAME');
if ($file=@file($p_translated)) {
$prevline='';
foreach($file as $line) {
if (preg_match('/[\$]manager([\s]*)[\-]>([\s]*)checkTicket([\s]*)[\(]/i',$prevline.$line)) return;
$prevline=$line;
}
}
/* Show a form if not valid ticket */
if ( ( strstr(serverVar('REQUEST_URI'),'?') || serverVar('QUERY_STRING')
|| strtoupper(serverVar('REQUEST_METHOD'))=='POST' )
&& (!$manager->checkTicket()) ){
if (!class_exists('PluginAdmin')) {
$language = getLanguageName();
// include($DIR_LANG . ereg_replace( '[\\|/]', '', $language) . '.php');
include($DIR_LANG . preg_replace( '@\\|/@', '', $language) . '.php');
include($DIR_LIBS . 'PLUGINADMIN.php');
}
if (!(function_exists('mb_strimwidth') || extension_loaded('mbstring'))) {
if (file_exists($DIR_LIBS.'mb_emulator/mb-emulator.php')) {
global $mbemu_internals;
include_once($DIR_LIBS.'mb_emulator/mb-emulator.php');
}
}
$oPluginAdmin = new PluginAdmin($plugin_name);
$oPluginAdmin->start();
echo '<p>' . _ERROR_BADTICKET . "</p>\n";
/* Show the form to confirm action */
// PHP 4.0.x support
$get= (isset($_GET)) ? $_GET : $HTTP_GET_VARS;
$post= (isset($_POST)) ? $_POST : $HTTP_POST_VARS;
// Resolve URI and QUERY_STRING
if ($uri=serverVar('REQUEST_URI')) {
list($uri,$qstring)=explode('?',$uri);
} else {
if ( !($uri=serverVar('PHP_SELF')) ) $uri=serverVar('SCRIPT_NAME');
$qstring=serverVar('QUERY_STRING');
}
if ($qstring) $qstring='?'.$qstring;
echo '<p>'._SETTINGS_UPDATE.' : '._QMENU_PLUGINS.' <span style="color:red;">'.
htmlspecialchars($plugin_name)."</span> ?</p>\n";
switch(strtoupper(serverVar('REQUEST_METHOD'))){
case 'POST':
echo '<form method="POST" action="'.htmlspecialchars($uri.$qstring).'">';
$manager->addTicketHidden();
_addInputTags($post);
break;
case 'GET':
echo '<form method="GET" action="'.htmlspecialchars($uri).'">';
$manager->addTicketHidden();
_addInputTags($get);
default:
break;
}
echo '<input type="submit" value="'._YES.'" /> ';
echo '<input type="button" value="'._NO.'" onclick="history.back(); return false;" />';
echo "</form>\n";
$oPluginAdmin->end();
exit;
}
/* Create new ticket */
$ticket=$manager->addTicketToUrl('');
$ticketforplugin['ticket']=substr($ticket,strpos($ticket,'ticket=')+7);
}
function _addInputTags(&$keys,$prefix=''){
foreach($keys as $key=>$value){
if ($prefix) $key=$prefix.'['.$key.']';
if (is_array($value)) _addInputTags($value,$key);
else {
if (get_magic_quotes_gpc()) $value=stripslashes($value);
if ($key=='ticket') continue;
echo '<input type="hidden" name="'.htmlspecialchars($key).
'" value="'.htmlspecialchars($value).'" />'."\n";
}
}
}
/**
* Convert the server string such as $_SERVER['REQUEST_URI']
* to arry like arry['blogid']=1 and array['page']=2 etc.
*/
function serverStringToArray($str, &$array, &$frontParam)
{
// init param
$array = array();
$fronParam = "";
// split front param, e.g. /index.php, and others, e.g. blogid=1&page=2
if (strstr($str, "?")){
list($frontParam, $args) = preg_split("/\?/", $str, 2);
}
else {
$args = $str;
$frontParam = "";
}
// If there is no args like blogid=1&page=2, return
if (!strstr($str, "=") && !strlen($frontParam)) {
$frontParam = $str;
return;
}
$array = explode("&", $args);
}
/**
* Convert array like array['blogid'] to server string
* such as $_SERVER['REQUEST_URI']
*/
function arrayToServerString($array, $frontParam, &$str)
{
if (strstr($str, "?")) {
$str = $frontParam . "?";
} else {
$str = $frontParam;
}
if (count($array)) {
$str .= implode("&", $array);
}
}
/**
* Sanitize array parameters.
* This function checks both key and value.
* - check key if it inclues " (double quote), remove from array
* - check value if it includes \ (escape sequece), remove remaining string
*/
function sanitizeArray(&$array)
{
$excludeListForSanitization = array('query');
// $excludeListForSanitization = array();
foreach ($array as $k => $v) {
// split to key and value
list($key, $val) = preg_split("/=/", $v, 2);
if (!isset($val)) {
continue;
}
// when magic quotes is on, need to use stripslashes,
// and then addslashes
if (get_magic_quotes_gpc()) {
$val = stripslashes($val);
}
$val = addslashes($val);
// if $key is included in exclude list, skip this param
if (!in_array($key, $excludeListForSanitization)) {
// check value
if (strpos($val, '\\')) {
list($val, $tmp) = explode('\\', $val);
}
// remove control code etc.
$val = strtr($val, "\0\r\n<>'\"", " ");
// check key
if (preg_match('/\"/i', $key)) {
unset($array[$k]);
continue;
}
// set sanitized info
$array[$k] = sprintf("%s=%s", $key, $val);
}
}
}
/**
* Convert array for sanitizeArray function
*/
function convArrayForSanitizing($src, &$array)
{
$array = array();
foreach ($src as $key => $val) {
if (key_exists($key, $_GET)) {
array_push($array, sprintf("%s=%s", $key, $val));
}
}
}
/**
* Revert array after sanitizeArray function
*/
function revertArrayForSanitizing($array, &$dst)
{
foreach ($array as $v) {
list($key, $val) = preg_split("/=/", $v, 2);
$dst[$key] = $val;
}
}
/**
* Stops processing the request and redirects to the given URL.
* - no actual contents should have been sent to the output yet
* - the URL will be stripped of illegal or dangerous characters
*/
function redirect($url) {
$url = preg_replace('|[^a-z0-9-~+_.?#=&;,/:@%*]|i', '', $url);
header('Location: ' . $url);
exit;
}
/**
* Strip HTML tags from a string
* This function is a bit more intelligent than a regular call to strip_tags(),
* because it also deletes the contents of certain tags and cleans up any
* unneeded whitespace.
*/
function stringStripTags ($string) {
$string = preg_replace("/<del[^>]*>.+<\/del[^>]*>/isU", '', $string);
$string = preg_replace("/<script[^>]*>.+<\/script[^>]*>/isU", '', $string);
$string = preg_replace("/<style[^>]*>.+<\/style[^>]*>/isU", '', $string);
$string = str_replace('>', '> ', $string);
$string = str_replace('<', ' <', $string);
$string = strip_tags($string);
$string = preg_replace("/\s+/", " ", $string);
$string = trim($string);
return $string;
}
/**
* Make a string containing HTML safe for use in a HTML attribute
* Tags are stripped and entities are normalized
*/
function stringToAttribute ($string) {
$string = stringStripTags($string);
$string = entity::named_to_numeric($string);
$string = entity::normalize_numeric($string);
if (strtoupper(_CHARSET) == 'UTF-8') {
$string = entity::numeric_to_utf8($string);
}
$string = entity::specialchars($string, 'html');
$string = entity::numeric_to_named($string);
return $string;
}
/**
* Make a string containing HTML safe for use in a XML document
* Tags are stripped, entities are normalized and named entities are
* converted to numeric entities.
*/
function stringToXML ($string) {
$string = stringStripTags($string);
$string = entity::named_to_numeric($string);
$string = entity::normalize_numeric($string);
if (strtoupper(_CHARSET) == 'UTF-8') {
$string = entity::numeric_to_utf8($string);
}
$string = entity::specialchars($string, 'xml');
return $string;
}
// START: functions from the end of file BLOG.php
// used for mail notification (html -> text)
function toAscii($html) {
// strip off most tags
$html = strip_tags($html,'<a>');
$to_replace = "/<a[^>]*href=[\"\']([^\"^']*)[\"\'][^>]*>([^<]*)<\/a>/i";
_links_init();
$ascii = preg_replace_callback ($to_replace, '_links_add', $html);
$ascii .= "\n\n" . _links_list();
return strip_tags($ascii);
}
function _links_init() {
global $tmp_links;
$tmp_links = array();
}
function _links_add($match) {
global $tmp_links;
array_push($tmp_links, $match[1]);
return $match[2] . ' [' . sizeof($tmp_links) .']';
}
function _links_list() {
global $tmp_links;
$output = '';
$i = 1;
foreach ($tmp_links as $current) {
$output .= "[$i] $current\n";
$i++;
}
return $output;
}
// END: functions from the end of file BLOG.php
// START: functions from the end of file ADMIN.php
/**
* @todo document this
*/
function encode_desc(&$data)
{
$to_entities = get_html_translation_table(HTML_ENTITIES);
$from_entities = array_flip($to_entities);
$data = strtr($data,$from_entities);
$data = strtr($data,$to_entities);
return $data;
}
/**
* Returns the Javascript code for a bookmarklet that works on most modern browsers
*
* @param blogid
*/
function getBookmarklet($blogid) {
global $CONF;
// normal
$document = 'document';
$bookmarkletline = "javascript:Q='';x=".$document.";y=window;if(x.selection){Q=x.selection.createRange().text;}else if(y.getSelection){Q=y.getSelection();}else if(x.getSelection){Q=x.getSelection();}wingm=window.open('";
$bookmarkletline .= $CONF['AdminURL'] . "bookmarklet.php?blogid=$blogid";
$bookmarkletline .="&logtext='+escape(Q)+'&loglink='+escape(x.location.href)+'&loglinktitle='+escape(x.title),'nucleusbm','scrollbars=yes,width=600,height=550,left=10,top=10,status=yes,resizable=yes');wingm.focus();";
return $bookmarkletline;
}
// END: functions from the end of file ADMIN.php
/**
* Returns a variable or null if not set
*
* @param mixed Variable
* @return mixed Variable
*/
function ifset(&$var) {
if (isset($var)) {
return $var;
}
return null;
}
/**
* Returns number of subscriber to an event
*
* @param event
* @return number of subscriber(s)
*/
function numberOfEventSubscriber($event) {
$query = 'SELECT COUNT(*) as count FROM ' . sql_table('plugin_event') . ' WHERE event=\'' . $event . '\'';
$res = sql_query($query);
$obj = sql_fetch_object($res);
return $obj->count;
}
function selectSpecialSkinType($id) {
global $special;
$special = strtolower($id);
}
?>