globalfunctions.php

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<?php

/*
 * Nucleus: PHP/MySQL Weblog CMS (http://nucleuscms.org/)
 * Copyright (C) 2002-2007 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)
 */
// needed if we include globalfunctions from install.php
global $nucleus, $CONF, $DIR_LIBS, $DIR_LANG, $manager, $member;

$nucleus['version'] = 'v3.31SP1';
$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 {
        error_reporting(E_ERROR | E_WARNING | E_PARSE);
}

// Avoid notices
if (!isset($CONF['Self'])) {
        $CONF['Self'] = htmlspecialchars($_SERVER['PHP_SELF'],ENT_QUOTES);
}

/*
        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 = '';
$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
include($DIR_LIBS . 'mysql.php');
include($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);

// 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();

// 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) );
                $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');

/*
        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');
}

// decode path_info
if ($CONF['URLMode'] == 'pathinfo') {
        // initialize keywords if this hasn't been done before
        if ($CONF['ItemKey'] == '') {
                $CONF['ItemKey'] = 'item';
        }

        if ($CONF['ArchiveKey'] == '') {
                $CONF['ArchiveKey'] = 'archive';
        }

        if ($CONF['ArchivesKey'] == '') {
                $CONF['ArchivesKey'] = 'archives';
        }

        if ($CONF['MemberKey'] == '') {
                $CONF['MemberKey'] = 'member';
        }

        if ($CONF['BlogKey'] == '') {
                $CONF['BlogKey'] = 'blog';
        }

        if ($CONF['CategoryKey'] == '') {
                $CONF['CategoryKey'] = 'category';
        }

        if ($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) );
}

function getNucleusVersion() {
        return 331;
}

function getNucleusPatchLevel() {
        return 0;
}

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;
}

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.
                //
                // Note: reverted the following function in JP version
                //
        /*
                // v3.3 code
                if (
                                ($contenttype == 'application/xhtml+xml')
                        &&      (!stristr(serverVar('HTTP_ACCEPT'), 'application/xhtml+xml') )
                        ) {
                        $contenttype = 'text/html';
                }
        */
                // v3.2x code
                if (
                                ($contenttype == 'application/xhtml+xml')
                        &&      (($CONF['UsingAdminArea'] && !$CONF['debug']) || !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);
                }
        }
}

function startUpError($msg, $title) {
        ?>
        <html xmlns="http://www.w3.org/1999/xhtml">
                <head><meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />
                <title><?php echo htmlspecialchars($title)?></title></head>
                <body>
                        <h1><?php echo htmlspecialchars($title)?></h1>
                        <?php echo $msg?>
                </body>
        </html>
        <?php   exit;
}

function sql_disconnect() {
        @mysql_close();
}

function sql_query($query) {
        global $SQLCount;
        $SQLCount++;
        $res = mysql_query($query) or print("mySQL error with query $query: " . mysql_error() . '<p />');
        return $res;
}


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;
}

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;
        }
}

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);
        $obj = mysql_fetch_object($res);
        return $obj->result;
}

function getPluginNameFromPid($pid) {
        $res = sql_query('SELECT pfile FROM ' . sql_table('plugin') . ' WHERE pid=' . intval($pid) );
        $obj = mysql_fetch_object($res);
        return $obj->pfile;
}

function selector() {
        global $itemid, $blogid, $memberid, $query, $amount, $archivelist, $maxresults;
        global $archive, $skinid, $blog, $memberinfo, $CONF, $member;
        global $imagepopup, $catid;
        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);
                $obj = mysql_fetch_object($res);

                // if a different blog id has been set through the request or selectBlog(),
                // deny access
//              if ($blogid && (intval($blogid) != $obj->iblog) ) {
//                      doError(_ERROR_NOSUCHITEM);
//              }
                if ($blogid && (intval($blogid) != $obj->iblog) ) {
                        if (!headers_sent()) {
                                $b =& $manager->getBlog($obj->iblog);
                                $CONF['ItemURL'] = $b->getURL();
                                if ($CONF['URLMode'] == 'pathinfo' and substr($CONF['ItemURL'],-1) == '/')
                                        $CONF['ItemURL'] = substr($CONF['ItemURL'], 0, -1);
                                $correctURL = createItemLink($itemid, '');
                                redirect($correctURL);
                                exit;
                        } else {
                                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;
                }

                // 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);

                $obj = mysql_fetch_object($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);

                $obj = mysql_fetch_object($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
                $query = "SELECT UNIX_TIMESTAMP(itime) as result FROM ".sql_table('item')." WHERE idraft=0 AND iblog=".(int)($blogid ? $blogid : $CONF['DefaultBlog'])." ORDER BY itime ASC";
                $first_timestamp=quickQuery ($query);
                $query = "SELECT UNIX_TIMESTAMP(itime) as result FROM ".sql_table('item')." WHERE idraft=0 AND iblog=".(int)($blogid ? $blogid : $CONF['DefaultBlog'])." 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;
                        }
                        
                } 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(preg_match("/^(\xA1{2}|\xe3\x80{2}|\x20)+$/",$query)){
                                        $type = 'index';
                }
                $order = (_CHARSET == 'EUC-JP') ? 'EUC-JP, UTF-8,' : 'UTF-8, EUC-JP,';
                $query = mb_convert_encoding($query, _CHARSET, $order.' JIS, SJIS, ASCII');
                if (is_numeric($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';
        }

        // 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) {
                $blog->setSelectedCategory($catid);
        }

        // decide which skin should be used
        if ($skinid != '' && ($skinid == 0) ) {
                selectSkin($skinid);
        }

        if (!$skinid) {
                $skinid = $blog->getDefaultSkin();
        }

        $special = requestVar('special');
        if (!empty($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();
}

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']);
                }

        }

        $errormessage = $msg;
        $skin->parse('error');
        exit;
}

function getConfig() {
        global $CONF;

        $query = 'SELECT * FROM ' . sql_table('config');
        $res = sql_query($query);

        while ($obj = mysql_fetch_object($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 = get_html_translation_table(HTML_SPECIALCHARS); // for Japanese
        $trans = array_flip($trans);
        $text = strtr($text, $trans);

        // 2. the actual shortening
        if (strlen($text) > $maxlength)
                $text = mb_strimwidth($text, 0, $maxlength, $toadd, _CHARSET);
        return $text;
}

function mysqldate($timestamp) {
        return '"' . date('Y-m-d H:i:s', $timestamp) . '"';
}

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);
}

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');
}

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);
}

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($id) {
        return helplink($id) . '<img src="documentation/icon-help.gif" width="15" height="15" alt="' . _HELP_TT . '" /></a>';
}

function helplink($id) {
        return '<a href="documentation/help.html#'. $id . '" onclick="if (event &amp;&amp; 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;
}

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';
        }
}

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);
        }
}

function checkLanguage($lang) {
        global $DIR_LANG ;
        return file_exists($DIR_LANG . ereg_replace( '[\\|/]', '', $lang) . '.php');
}

function checkPlugin($plug) {
        global $DIR_PLUGINS;
        return file_exists($DIR_PLUGINS . ereg_replace( '[\\|/]', '', $plug) . '.php');
}

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'].'&amp;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 .= '&amp;' . $param . '=' . urlencode($value);
                        }

                }
        }

        return $link;
}

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.');
                        }

                }
        }
}


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);
}

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($row=mysql_fetch_row($res)) {
                $name=substr($row[0],3);
                $plugins[strtolower($name)]=$name;
        }
        mysql_free_result($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_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.'" />&nbsp;&nbsp;&nbsp;&nbsp;';
                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";
                }
        }
}

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);
}

function arrayToServerString($array, $frontParam, &$str)
{
        if (strstr($str, "?")) {
                $str = $frontParam . "?";
        } else {
                $str = $frontParam;
        }
        if (count($array)) {
                $str .= implode("&", $array);
        }
}

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
                        @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);
                }
        }
}

function convArrayForSanitizing($src, &$array)
{
        $array = array();
        foreach ($src as $key => $val) {
                if (key_exists($key, $_GET)) {
                        array_push($array, sprintf("%s=%s", $key, $val));
                }
        }
}

function revertArrayForSanitizing($array, &$dst)
{
        foreach ($array as $v) {
                list($key, $val) = preg_split("/=/", $v, 2);
                $dst[$key] = $val;
        }
}

function redirect($url) {
        $url = preg_replace('|[^a-z0-9-~+_.?#=&;,/:@%]|i', '', $url);
        header('Location: ' . $url);
        exit;
}

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;
}

function stringToAttribute ($string) {
        $string = stringStripTags($string);
        $string = entity::named_to_numeric($string);
        $string = entity::normalize_numeric($string);

        if (_CHARSET == 'UTF-8') {
                $string = entity::numeric_to_utf8($string);
        }

        $string = entity::specialchars($string, 'html');
        $string = entity::numeric_to_named($string);
        return $string;
}

function stringToXML ($string) {
        $string = stringStripTags($string);
        $string = entity::named_to_numeric($string);
        $string = entity::normalize_numeric($string);

        if (_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
function encode_desc(&$data)
    {   //_$to_entities = get_html_translation_table(HTML_ENTITIES);
        $to_entities = get_html_translation_table(HTML_SPECIALCHARS);
        $from_entities = array_flip($to_entities);
        $data = str_replace('<br />','\n',$data); //hack
        $data = strtr($data,$from_entities);
        $data = strtr($data,$to_entities);
        $data = str_replace('\n','<br />',$data); //hack
        return $data;
    }
 
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

function ifset(&$var) {
        if (isset($var)) {
                return $var;
        }

        return null;
}

function numberOfEventSubscriber($event) {
        $query = 'SELECT COUNT(*) as count FROM ' . sql_table('plugin_event') . ' WHERE event=\'' . $event . '\'';
        $res = sql_query($query);
        $obj = mysql_fetch_object($res);
        return $obj->count;
}

?>

---

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