installwizard.php

Go to the documentation of this file.

<?php
/*
 You may not change or alter any portion of this comment or credits
 of supporting developers from this source code or any supporting source code
 which is considered copyrighted (c) material of the original comment or credit authors.

 This program is distributed in the hope that it will be useful,
 but WITHOUT ANY WARRANTY; without even the implied warranty of
 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
*/

class XoopsInstallWizard
{
    public $language = 'en_US';

    public $pages = array();

    public $currentPage = 'langselect';

    public $pageIndex = 0;

    public $configs = array();

    public $form;

    public function xoInit()
    {
        if (@empty($_SERVER['REQUEST_URI'])) {
            $_SERVER['REQUEST_URI'] = $_SERVER['PHP_SELF'];
        }

        // Load the main language file
        $this->initLanguage(!empty($_COOKIE['xo_install_lang']) ? $_COOKIE['xo_install_lang'] : 'en_US');
        // Setup pages
        $pages = array();
        include_once dirname(__DIR__) . '/include/page.php';
        $this->pages = $pages;

        // Load default configs
        $configs = array();
        include_once dirname(__DIR__) . '/include/config.php';
        $this->configs = $configs;

        if (!$this->checkAccess()) {
            return false;
        }

        $pagename = preg_replace('~(page_)(.*)~', '$2', basename($_SERVER['PHP_SELF'], ".php"));
        $this->setPage($pagename);

        // Prevent client caching
        header("Cache-Control: no-store, no-cache, must-revalidate", false);
        header("Pragma: no-cache");
        return true;
    }

    public function checkAccess()
    {
        global $xoopsOption;
        if (INSTALL_USER != '' && INSTALL_PASSWORD != '') {
            if (!isset($_SERVER['PHP_AUTH_USER'])) {
                header('WWW-Authenticate: Basic realm="XOOPS Installer"');
                header('HTTP/1.0 401 Unauthorized');
                echo 'You can not access this XOOPS installer.';
                return false;
            }
            if (INSTALL_USER != '' && $_SERVER['PHP_AUTH_USER'] != INSTALL_USER) {
                header('HTTP/1.0 401 Unauthorized');
                echo 'You can not access this XOOPS installer.';
                return false;
            }
            if (INSTALL_PASSWORD != $_SERVER['PHP_AUTH_PW']) {
                header('HTTP/1.0 401 Unauthorized');
                echo 'You can not access this XOOPS installer.';
                return false;
            }
        }

        if (!isset($xoopsOption['checkadmin']) || !$xoopsOption['checkadmin']) {
            return true;
        }

        $xoops = Xoops::getInstance();
        if (!$xoops->isUser() && !empty($_COOKIE["xo_install_user"])) {
            install_acceptUser($_COOKIE["xo_install_user"]);
        }

        if (!$xoops->isUser()) {
            $xoops->redirect($xoops->url('user.php'));
        }
        if (!$xoops->isAdmin()) {
            return false;
        }
        return true;
    }

    public function loadLangFile($file)
    {
        if (file_exists($file = XOOPS_INSTALL_PATH . "/locale/{$this->language}/{$file}.php")) {
            include_once $file;
        } else {
            $file = XOOPS_INSTALL_PATH . "/locale/en_US/{$file}.php";
            include_once $file;
        }
    }

    public function initLanguage($language)
    {
        $language = preg_replace("/[^a-z0-9_\-]/i", "", $language);
        if (!file_exists(XOOPS_INSTALL_PATH . "/locale/{$language}/install.php")) {
            $language = 'en_US';
        }
        $this->language = $language;
        $this->loadLangFile('install');
    }

    public function setPage($page)
    {
        $pages = array_keys($this->pages);
        if ((int)$page && $page >= 0 && $page < count($pages)) {
            $this->pageIndex = $page;
            $this->currentPage = $pages[$page];
        } else {
            if (isset($this->pages[$page])) {
                $this->currentPage = $page;
                $this->pageIndex = array_search($this->currentPage, $pages);
            } else {
                return false;
            }
        }

        if ($this->pageIndex > 0 && !isset($_COOKIE['xo_install_lang'])) {
            header('Location: index.php');
        }

        return $this->pageIndex;
    }

    public function baseLocation()
    {
        $proto = (@$_SERVER['HTTPS'] == 'on') ? 'https' : 'http';
        $host = $_SERVER['HTTP_HOST'];
        $base = substr($_SERVER['PHP_SELF'], 0, strrpos($_SERVER['PHP_SELF'], '/'));
        return $proto . '://' . $host . $base;
    }

    public function pageURI($page)
    {
        $pages = array_keys($this->pages);
        $pageIndex = $this->pageIndex;
        if (!(int)$page{0}) {
            if ($page{0} == '+') {
                $pageIndex += substr($page, 1);
            } else {
                if ($page{0} == '-') {
                    $pageIndex -= substr($page, 1);
                } else {
                    $pageIndex = (int)array_search($page, $pages);
                }
            }
        }
        if (!isset($pages[$pageIndex])) {
            if (defined("XOOPS_URL")) {
                return XOOPS_URL . '/';
            } else {
                return $this->baseLocation();
            }
        }
        $page = $pages[$pageIndex];
        return $this->baseLocation() . "/page_{$page}.php";
    }

    public function redirectToPage($page, $status = 303, $message = 'See other')
    {
        $location = $this->pageURI($page);
        $proto = !@empty($_SERVER['SERVER_PROTOCOL']) ? $_SERVER['SERVER_PROTOCOL'] : 'HTTP/1.1';
        header("{$proto} {$status} {$message}");
        //header( "Status: $status $message" );
        header("Location: {$location}");
    }

    public function CreateForm()
    {
        $hidden = '';
        $ret = '';

        /* @var Xoops\Form\Form $form */
        foreach ($this->form as $form) {
            $ret .= "<fieldset><legend>" . $form->getTitle() . "</legend>\n";

            /* @var Xoops\Form\Element $ele */
            foreach ($form->getElements() as $ele) {
                //todo, ain't this always a object on 2.6?
                if ($ele instanceof Xoops\Form\Element) {
                    if (!$ele->isHidden()) {
                        if (($caption = $ele->getCaption()) != '') {
                            $ret .= "<label class='xolabel' for='" . $ele->getName() . "'>" . $caption . "</label>";
                            if (($desc = $ele->getDescription()) != '') {
                                $ret .= "<div class='xoform-help'>";
                                $ret .= $desc;
                                $ret .= "</div>";
                            }
                        }
                        $ret .= $ele->render() . "\n";
                    } else {
                        $hidden .= $ele->render() . "\n";
                    }
                }
            }
            $ret .= "</fieldset>\n" . $hidden . "\n" . $form->renderValidationJS(true);
        }
        return $ret;
    }

    function cleanCache($cacheFolder) {
        $cache = array(1,2,3);
        if (!empty($cache)) {
            for ($i = 0; $i < count($cache); ++$i) {
                switch ($cache[$i]) {
                    case 1:
                        $files = glob($cacheFolder. '/caches/smarty_cache/*.*');
                        foreach ($files as $filename) {
                            if (basename(strtolower($filename)) != 'index.html') {
                                unlink($filename);
                            }
                        }
                        break;

                    case 2:
                        $files = glob($cacheFolder . '/caches/smarty_compile/*.*');
                        foreach ($files as $filename) {
                            if (basename(strtolower($filename)) != 'index.html') {
                                unlink($filename);
                            }
                        }
                        break;

                    case 3:
                        $files = glob($cacheFolder . '/caches/xoops_cache/*.*');
                        foreach ($files as $filename) {
                            if (basename(strtolower($filename)) != 'index.html') {
                                unlink($filename);
                            }
                        }
                        break;
                }
            }
            return true;
        } else {
            return false;
        }
    }
}