xoopskernel.php

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<?php
defined('XOOPS_ROOT_PATH') or die('Restricted access');

class xos_kernel_Xoops2
{
    var $paths = array('XOOPS' => array(), 'www' => array(), 'var' => array(), 'lib' => array(), 'modules' => array(), 'themes' => array());

    function xos_kernel_Xoops2()
    {
        $this->paths['XOOPS']   = array(XOOPS_PATH, XOOPS_URL . 'browse.php');
        $this->paths['www']     = array(XOOPS_ROOT_PATH, XOOPS_URL);
        $this->paths['var']     = array(XOOPS_VAR_PATH, null);
        $this->paths['lib']     = array(XOOPS_PATH, XOOPS_URL . 'browse.php');
        $this->paths['modules'] = array(XOOPS_ROOT_PATH . '/modules', XOOPS_URL . '/modules');
        $this->paths['themes']  = array(XOOPS_ROOT_PATH . '/themes', XOOPS_URL . '/themes');
    }

    function path($url, $virtual = false)
    {
        // removed , $error_type = E_USER_WARNING
        $path = '';
        @list($root, $path) = explode('/', $url, 2);
        if (!isset($this->paths[$root])) {
            list($root, $path) = array('www', $url);
        }
        if (!$virtual) { // Returns a physical path
            $path = $this->paths[$root][0] . '/' . $path;
            $path = str_replace('/', DS, $path);
            return $path;
        }
        return !isset($this->paths[$root][1] ) ? '' : ($this->paths[$root][1] . '/' . $path);
    }

    function url($url )
    {
        return (false !== strpos($url, '://') ? $url : $this->path($url, true));
    }

    function buildUrl( $url, $params = array() )
    {
        if ($url == '.') {
            $url = $_SERVER['REQUEST_URI'];
        }
        $split = explode('?', $url);
        if (count($split) > 1) {
            list($url, $query) = $split;
            parse_str($query, $query);
            $params = array_merge($query, $params);
        }
        if (!empty($params)) {
            foreach ($params as $k => $v) {
                $params[$k] = $k . '=' . rawurlencode($v);
            }
            $url .= '?' . implode('&', $params);
        }
        return $url;
    }

    function pathExists($path, $error_type)
    {
        if (file_exists($path)) {
            return $path;
        } else {
            $GLOBALS['xoopsLogger']->triggerError($path, _XO_ER_FILENOTFOUND, __FILE__, __LINE__, $error_type);
            return false;
        }
    }

    function gzipCompression()
    {
        if (empty($_SERVER['SERVER_NAME']) || substr(PHP_SAPI, 0, 3) == 'cli') {
            xoops_setConfigOption('gzip_compression', 0);
        }

        if (xoops_getConfigOption('gzip_compression') == 1 && extension_loaded('zlib') && !ini_get( 'zlib.output_compression')) {
            if (@ini_get('zlib.output_compression_level') < 0) {
                ini_set('zlib.output_compression_level', 6);
            }
            ob_start('ob_gzhandler');
        }
    }

    function pathTranslation()
    {
        if (!isset($_SERVER['PATH_TRANSLATED']) && isset($_SERVER['SCRIPT_FILENAME'])) {
            $_SERVER['PATH_TRANSLATED'] =& $_SERVER['SCRIPT_FILENAME']; // For Apache CGI
        } else if (isset($_SERVER['PATH_TRANSLATED']) && !isset($_SERVER['SCRIPT_FILENAME'])) {
            $_SERVER['SCRIPT_FILENAME'] =& $_SERVER['PATH_TRANSLATED']; // For IIS/2K now I think :-(
        }
        if (empty($_SERVER['REQUEST_URI'])) { // Not defined by IIS
            // Under some configs, IIS makes SCRIPT_NAME point to php.exe :-(
            if (!($_SERVER['REQUEST_URI'] = @$_SERVER['PHP_SELF'])) {
                $_SERVER['REQUEST_URI'] = $_SERVER['SCRIPT_NAME'];
            }
            if (isset( $_SERVER['QUERY_STRING'])) {
                $_SERVER['REQUEST_URI'] .= '?' . $_SERVER['QUERY_STRING'];
            }
        }
    }

    function themeSelect()
    {
        if (!empty($_POST['xoops_theme_select'] ) && in_array($_POST['xoops_theme_select'], xoops_getConfigOption('theme_set_allowed'))) {
            xoops_setConfigOption('theme_set', $_POST['xoops_theme_select']);
            $_SESSION['xoopsUserTheme'] = $_POST['xoops_theme_select'];
        } else if (!empty($_SESSION['xoopsUserTheme']) && in_array($_SESSION['xoopsUserTheme'], xoops_getConfigOption('theme_set_allowed'))) {
            xoops_setConfigOption('theme_set', $_SESSION['xoopsUserTheme']);
        }
    }
}

?>