PHP check_requirements函数代码示例

/**
 * check_install
 * This checks folders + permissions, .php files and settings.
 */
function check_install()
{
    global $config, $install_errors;
    // Error friendly messages
    $requirements_error = array('There is a problem regarding server requirements. This means that Chevereto can\'t run because of the following:', 'Please notice that this issue is because your server setup. If you want to run Chevereto please contact your hosting company or system admin regarding this report.');
    $folder_error = array('There is a problem regarding folders. This means that Chevereto can\'t run because one or more folders required doesn\'t exists. The missing folders are:', 'Please double-check your current setup for the missing files.');
    $admin_folder_error = array('There is a problem regarding the admin folder and Chevereto won\'t run because the admin folder doesn\'t exists.', 'Please double-check <code>$config[\'admin_folder\']</code> in the <code>includes/config.php</code> file.');
    $htaccess = 'In some operating systems this files are hidden, therefore you can\'t upload them. You need to <a href="http://www.google.com/search?q=show+hidden+htaccess" target="_blank">show this file</a> and then upload it.';
    $htaccess_error = array('Some <code>.htaccess</code> file(s) doesn\'t exists and the system can\'t create this files.', $htaccess);
    $root_htaccess_error = array('The <code>.htaccess</code> file doesn\'t exists in the Chevereto root directory. This file must be uploaded to run Chevereto.', $htaccess);
    $file_error = array(str_replace('folders', 'files', $folder_error[0]), str_replace('folders', 'files', $folder_error[1]));
    $permission_error = array('There is a problem regarding permissions. This means that Chevereto can\'t upload files because of the following:', 'Chevereto needs a way to write in this folders. You can do this by doing <a href="http://www.google.com/search?q=chmod+777" target="_blank">chmod 0777</a> on the above folders or use <a href="http://www.suphp.org/" target="_blank">suPHP</a> or <a href="http://httpd.apache.org/docs/current/suexec.html" target="_blank">suEXEC</a> on your server setup.');
    $config_error = array('There is a problem regarding your config setup. This means that Chevereto won\'t run because the config is not valid:', 'Please double-check your settings in the <code>includes/config.php</code> file.');
    $definitions_error = array('Please take note that you must edit the <code>definitions.php</code> file the first time that you install Chevereto.', 'Please double-check your definitions in the <code>includes/definitions.php</code> file.');
    $theme_error = array('There is a problem regarding your current theme. This means that Chevereto won\'t run because <code>' . $config['theme'] . '</code> theme has missing files:', 'Please double-check the theme hierarchy.');
    $theme_data_error = array('There is a problem regarding your current theme data. This means that Chevereto won\'t run because <code>' . $config['theme'] . '</code> theme has not valid theme data in <code>style.css</code> header comments:', 'Please double-check the <code>style.css</code> header comments and refer to the <a href="http://chevereto.com/docs#themes">theme documentation</a> page.');
    $virtual_folder_error = array('There is a problem regarding your virtual folders setup:', 'Either you set different values for virtual folders in <code>includes/config.php</code> or you delete this directories.');
    // Check for the server requirements
    if (!check_requirements()) {
        chevereto_die($install_errors, 'System error', $requirements_error);
    }
    // Check for the image folders
    $image_folders = array(__CHV_PATH_IMAGES__);
    if (!check_files_folders($image_folders, 'Directory')) {
        chevereto_die($install_errors, 'Folder error', $folder_error);
    }
    if (!check_permissions($image_folders)) {
        chevereto_die($install_errors, 'Permissions error', $permission_error);
    }
    // Check for virtual folders
    $virtual_folders = array(sanitize_path($config['virtual_folder_image']), sanitize_path($config['virtual_folder_uploaded']));
    foreach ($virtual_folders as $folder) {
        if (file_exists(__CHV_ROOT_DIR__ . $folder)) {
            $install_errors[] = 'The directory <code>' . __CHV_RELATIVE_ROOT__ . $folder . '</code> must not exists';
        }
    }
    if (count($install_errors) > 0) {
        chevereto_die($install_errors, 'Virtual folders error', $virtual_folder_error);
    }
    // Check for upload.php
    if (!file_exists(__CHV_ROOT_DIR__ . 'upload.php')) {
        chevereto_die('Can\'t find <code>upload.php</code>', 'Missing upload.php', $file_error);
    }
    // Check for the root .htaccess file
    if (!file_exists(__CHV_ROOT_DIR__ . '.htaccess')) {
        chevereto_die('', '.htaccess error', $root_htaccess_error);
    }
    // Admin folder
    if (!check_value($config["admin_folder"])) {
        $config["admin_folder"] = "admin";
    }
    if (!file_exists(__CHV_PATH_ADMIN__)) {
        chevereto_die('', 'Admin folder doesn\'t exists', $admin_folder_error);
    }
    // Check for the other .htaccess files
    $htaccess_files = array(__CHV_PATH_IMAGES__, __CHV_PATH_INCLUDES__, __CHV_PATH_ADMIN_INCLUDES__);
    foreach ($htaccess_files as $dir) {
        if (!file_exists($dir . '.htaccess')) {
            switch ($dir) {
                case __CHV_PATH_IMAGES__:
                    $rules = 'static';
                    break;
                case __CHV_PATH_INCLUDES__:
                case __CHV_PATH_ADMIN_INCLUDES__:
                    $rules = 'deny';
                    break;
            }
            if (!htaccess($rules, $dir)) {
                $install_errors[] = 'Can\'t create <code>' . $dir . '.htaccess</code> file. Please upload the <code>.htaccess</code> file to the target dir';
            }
        }
    }
    if (count($install_errors) > 0) {
        chevereto_die($install_errors, '.htaccess error', $htaccess_error);
    }
    // Files check
    $include_files = array('chevereto.php', 'uploader.php', 'shorturl.php', 'definitions.php', 'template.functions.php');
    $classes_files = array('class.handler.php', 'class.db.php', 'class.upload.php', 'class.filelist.php', 'class.imageresize.php', 'class.imageconvert.php', 'class.minify.php', 'class.shorturl.php');
    $system_files = array('login.php', 'error.php', 'style.css', 'img/chevereto.png', 'img/logo.png', 'img/ico-warn.png', 'img/background.png', 'img/bkg-content.png');
    $system_files_minify = array('style.css');
    $system_files = array_merge_minified($system_files, $system_files_minify);
    $system_js_files = array('uploadify.swf', 'ZeroClipboard.swf', 'pref.php');
    $system_js_files_minify = array('jquery.js', 'chevereto.js', 'functions.js', 'jquery.uploadify-3.1_chevereto.js');
    $system_js_files = array_merge_minified($system_js_files, $system_js_files_minify);
    // Admin files
    $admin_classes_files = array('class.adminhandler.php', 'class.manage.php');
    $admin_system_files = array('header.php', 'filemanager.php');
    $admin_system_files_minify = array('style.css', 'js/admin.js');
    $admin_system_files = array_merge_minified($admin_system_files, $admin_system_files_minify);
    foreach ($include_files as $key => $value) {
        $include_files[$key] = __CHV_PATH_INCLUDES__ . $value;
    }
    foreach ($classes_files as $key => $value) {
        $classes_files[$key] = __CHV_PATH_CLASSES__ . $value;
    }
    foreach ($system_files as $key => $value) {
//.........这里部分代码省略.........

<?php

die('access denied');
// $Header: /cvsroot/html2ps/html2ps.php,v 1.153 2006/04/12 15:17:21 Konstantin Exp $
// Works only with safe mode off; in safe mode it generates a warning message
error_reporting(E_ALL);
ini_set("display_errors", "1");
@set_time_limit(900);
require_once 'pipeline.factory.class.php';
ini_set("user_agent", DEFAULT_USER_AGENT);
check_requirements();
$g_baseurl = trim($_REQUEST['URL']);
if ($g_baseurl === "") {
    die("Please specify URL to process!");
}
// Add HTTP protocol if none specified
if (!preg_match("/^https?:/", $g_baseurl)) {
    $g_baseurl = 'http://' . $g_baseurl;
}
$g_css_index = 0;
// Title of styleshee to use (empty if no preferences are set)
$g_stylesheet_title = "";
$g_config = array('cssmedia' => isset($_REQUEST['cssmedia']) ? $_REQUEST['cssmedia'] : "screen", 'media' => isset($_REQUEST['media']) ? $_REQUEST['media'] : "A4", 'scalepoints' => isset($_REQUEST['scalepoints']), 'renderimages' => isset($_REQUEST['renderimages']), 'renderfields' => isset($_REQUEST['renderfields']), 'renderforms' => isset($_REQUEST['renderforms']), 'pslevel' => isset($_REQUEST['pslevel']) ? $_REQUEST['pslevel'] : 3, 'renderlinks' => isset($_REQUEST['renderlinks']), 'pagewidth' => isset($_REQUEST['pixels']) ? (int) $_REQUEST['pixels'] : 800, 'landscape' => isset($_REQUEST['landscape']), 'method' => isset($_REQUEST['method']) ? $_REQUEST['method'] : "fpdf", 'margins' => array('left' => isset($_REQUEST['leftmargin']) ? (int) $_REQUEST['leftmargin'] : 0, 'right' => isset($_REQUEST['rightmargin']) ? (int) $_REQUEST['rightmargin'] : 0, 'top' => isset($_REQUEST['topmargin']) ? (int) $_REQUEST['topmargin'] : 0, 'bottom' => isset($_REQUEST['bottommargin']) ? (int) $_REQUEST['bottommargin'] : 0), 'encoding' => isset($_REQUEST['encoding']) ? $_REQUEST['encoding'] : "", 'ps2pdf' => isset($_REQUEST['ps2pdf']), 'compress' => isset($_REQUEST['compress']), 'output' => isset($_REQUEST['output']) ? $_REQUEST['output'] : 0, 'pdfversion' => isset($_REQUEST['pdfversion']) ? $_REQUEST['pdfversion'] : "1.2", 'transparency_workaround' => isset($_REQUEST['transparency_workaround']), 'imagequality_workaround' => isset($_REQUEST['imagequality_workaround']), 'draw_page_border' => isset($_REQUEST['pageborder']), 'debugbox' => isset($_REQUEST['debugbox']), 'html2xhtml' => !isset($_REQUEST['html2xhtml']), 'mode' => 'html');
// ========== Entry point
parse_config_file('./html2ps.config');
// validate input data
if ($g_config['pagewidth'] == 0) {
    die("Please specify non-zero value for the pixel width!");
}
// begin processing
$g_media = Media::predefined($g_config['media']);

function install($options)
{
    $check = check_requirements();
    if ($check[0]) {
        setup_db($options);
        write_config_files($options);
        dir_permissions();
    } else {
        echo 'FAILED! Pre-installation check failed: ' . $check[1] . "\n\n";
        exit(1);
    }
}

require_once LIB_PATH . 'osclass/helpers/hPreference.php';
require_once LIB_PATH . 'osclass/helpers/hDatabaseInfo.php';
require_once LIB_PATH . 'osclass/helpers/hErrors.php';
require_once LIB_PATH . 'osclass/core/Session.php';
require_once LIB_PATH . 'osclass/helpers/hDefines.php';
require_once LIB_PATH . 'osclass/helpers/hLocale.php';
require_once LIB_PATH . 'osclass/install-functions.php';
isset($_REQUEST['step']) ? $step = (int) $_REQUEST['step'] : ($step = '1');
if (is_osclass_installed()) {
    $message = 'You appear to have already installed OSClass. To reinstall please clear your old database tables first.';
    osc_die('OSClass » Error', $message);
}
switch ($step) {
    case 1:
        $requirements = get_requirements();
        $error = check_requirements($requirements);
        break;
    case 2:
        if (isset($_REQUEST['save_stats'])) {
            setcookie('osclass_save_stats', 1);
            header('Location: ' . get_absolute_url() . 'oc-includes/osclass/install.php?step=2');
        }
        break;
    case 3:
        if (isset($_POST['dbname'])) {
            $error = oc_install();
        }
        break;
    case 5:
        break;
    default:

    $inDB->importFromFile($sql_file);
    $d_cfg = $inConf->getDefaultConfig();
    $_CFG = array_merge($d_cfg, $_CFG);
    $inConf->saveToFile($_CFG);
    $sql = "UPDATE cms_users SET password = md5('{$admin_password}'), login = '{$admin_login}' WHERE id = 1";
    $inDB->query($sql);
    $sql = "UPDATE cms_users SET password = md5('{$admin_password}') WHERE id > 1";
    $inDB->query($sql);
    $installed = true;
    cmsCore::getInstance();
    $inUser = cmsUser::getInstance();
    $inUser->update();
    $inUser->signInUser($admin_login, $admin_password, true);
}
// =================================================================================================== //
$info = check_requirements();
$permissions = check_permissions();
?>

<html xmlns="http://www.w3.org/1999/xhtml">
    <head>
        <title><?php 
echo $_LANG['INS_HEADER'] . ' ' . CORE_VERSION;
?>
</title>
        <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
        <script src='/includes/jquery/jquery.js' type='text/javascript'></script>
        <script src='/install/js/jquery.wizard.js' type='text/javascript'></script>
        <script src='/install/js/install.js' type='text/javascript'></script>
        <link type='text/css' href='/install/css/styles.css' rel='stylesheet' media='screen' />
    </head>

platform_initialize();
setup_default_config();
read_config_file();
if ($config_values['Settings']['Sanitize Hidelist'] != 1) {
    include 'update_hidelist.php';
    $config_values['Settings']['Sanitize Hidelist'] = 1;
    _debug("Updated Hidelist\n");
    write_config_file();
}
//authenticate();
$config_values['Global']['HTMLOutput'] = 1;
$html_out = "";
$debug_output = "Torrentwatch Debug:";
$verbosity = 0;
parse_options();
if (check_requirements()) {
    return;
}
check_files();
echo $html_out;
$html_out = "";
flush();
// Feeds
load_feeds($config_values['Feeds']);
feeds_perform_matching($config_values['Feeds']);
get_client();
close_html();
$footer = "<div id=\"footer\">TorrentWatch-X version {$tw_version['0']}";
if (isset($tw_version[1])) {
    $footer .= " - {$tw_version['1']}";
}

function step($is_submit)
{
    $info = check_requirements();
    $result = array('html' => render('step_php', array('info' => $info)));
    return $result;
}

$reqs['Clone Objects check'] = array("impact" => MUSTHAVE, "evaluate" => "!ini_get('zend.ze1_compatibility_mode');", "tip" => "set zend.ze1_compatibility_mode to Off");
$reqs['Magic quotes check'] = array("impact" => MUSTHAVE, "evaluate" => "!ini_get('magic_quotes_runtime');", "tip" => "set magic_quotes_runtime to Off");
?>
<html>
<head></head>
<body>
<pre>

<?php 
echo APPLICATION_NAME;
?>
 REQUIREMENTS CHECKER $Revision: 1.3 $  $Date: 2005/06/18 12:27:06 $
--------------------------------------------------------------

<?php 
show_results(check_requirements($reqs));
?>

--------------------------------------------------------------
* Fix all the <b>blocking</b> requirements.
* Fix all the <b>musthave</b> requirements.
* Try to fix all the <b>shouldhave</b> requirements.

Finished!
</pre>
</body>
</html>
<?php 
/** Base functions **/
/**
 * Checks requirements by evaluating an expression. If the result is true,

function do_install($form)
{
    $form = array_map('stripslashes', $form);
    $form = array_map('trim', $form);
    // First check the requirements
    $errors = check_requirements();
    if (sizeof($errors) > 0) {
        echo "\t" . '<p class="errors">' . plog_tr('Plogger cannot be installed until the following problems are resolved') . ':</p>';
        echo "\n\n\t\t" . '<ul class="info">';
        foreach ($errors as $error) {
            echo "\n\t\t\t" . '<li class="margin-5">' . $error . '</li>';
        }
        echo "\n\t\t" . '</ul>';
        echo "\n\n\t" . '<form method="get" action="' . $_SERVER['REQUEST_URI'] . '">
		<p><input class="submit" type="submit" value="' . plog_tr('Try again') . '" /></p>
	</form>' . "\n";
        return false;
    }
    $ok = false;
    $errors = array();
    // If we've already defined the database information, pass the values and skip them on the form
    if (defined('PLOGGER_DB_HOST')) {
        $mysql = check_mysql(PLOGGER_DB_HOST, PLOGGER_DB_USER, PLOGGER_DB_PW, PLOGGER_DB_NAME);
        if (!empty($mysql)) {
            $mysql_fail = true;
        } else {
            unset($_SESSION['plogger_config']);
        }
        // Set the form values equal to config values if already set
        if (empty($form['db_host'])) {
            $form['db_host'] = PLOGGER_DB_HOST;
        }
        if (empty($form['db_user'])) {
            $form['db_user'] = PLOGGER_DB_USER;
        }
        if (empty($form['db_pass'])) {
            $form['db_pass'] = PLOGGER_DB_PW;
        }
        if (empty($form['db_name'])) {
            $form['db_name'] = PLOGGER_DB_NAME;
        }
    }
    if (isset($form['action']) && $form['action'] == 'install') {
        if (!defined('PLOGGER_DB_HOST') || isset($mysql_fail)) {
            $mysql_form_check = check_mysql_form($form);
            if (!empty($mysql_form_check)) {
                $errors = array_merge($errors, $mysql_form_check);
            }
        }
        if (empty($form['gallery_name'])) {
            $errors[] = plog_tr('Please enter the name for your gallery.');
        }
        if (empty($form['admin_email'])) {
            $errors[] = plog_tr('Please enter your email address.');
        }
        if (empty($form['admin_username'])) {
            $errors[] = plog_tr('Please enter a username.');
        }
        if (empty($form['admin_password'])) {
            $errors[] = plog_tr('Please enter a password.');
        }
        if ($form['admin_password'] != $form['admin_password_confirm']) {
            $errors[] = plog_tr('Your passwords do not match. Please try again.');
        }
        if (is_safe_mode()) {
            // If safe_mode enabled, check the FTP information form inputs
            $ftp_form_check = check_ftp_form($form);
            $form = $ftp_form_check['form'];
            if (!empty($ftp_form_check['form']['errors'])) {
                $errors = array_merge($errors, $ftp_form_check['form']['errors']);
            }
        }
        if (empty($errors)) {
            $mysql_errors = check_mysql($form['db_host'], $form['db_user'], $form['db_pass'], $form['db_name']);
            if (is_safe_mode()) {
                $ftp_errors = check_ftp($form['ftp_host'], $form['ftp_user'], $form['ftp_pass'], $form['ftp_path']);
            } else {
                $ftp_errors = array();
            }
            $errors = array_merge($mysql_errors, $ftp_errors);
            $ok = empty($errors);
        }
        if (!$ok) {
            echo '<ul class="errors" style="background-image: none;">' . "\n\t" . '<li class="margin-5">';
            echo join("</li>\n\t<li class=\"margin-5\">", $errors);
            echo "</li>\n</ul>\n\n";
        } else {
            $_SESSION['install_values'] = array('gallery_name' => $form['gallery_name'], 'admin_email' => $form['admin_email'], 'admin_password' => $form['admin_password'], 'admin_username' => $form['admin_username']);
            if (is_safe_mode()) {
                $_SESSION['ftp_values'] = array('ftp_host' => $form['ftp_host'], 'ftp_user' => $form['ftp_user'], 'ftp_pass' => $form['ftp_pass'], 'ftp_path' => $form['ftp_path']);
            }
            if (!defined('PLOGGER_DB_HOST') || isset($mysql_fail)) {
                // Serve the config file and ask user to upload it to webhost
                $_SESSION['plogger_config'] = create_config_file($form['db_host'], $form['db_user'], $form['db_pass'], $form['db_name']);
            }
            return true;
        }
    }
    include PLOGGER_DIR . 'plog-admin/includes/install-form-setup.php';
    return false;
//.........这里部分代码省略.........

         SmartyValidate::register_validator('v_language', 'language', 'dummyValid', false, false, 'trim', 'install');
     } else {
         SmartyValidate::connect($tpl);
         if (SmartyValidate::is_valid($_POST, 'install')) {
             $_SESSION['language'] = !empty($_POST['language']) ? $_POST['language'] : 'en';
             SmartyValidate::disconnect();
             $step++;
             @header('Location: index.php?step=' . $step);
             @exit;
         } else {
             $tpl->assign($_POST);
         }
     }
     break;
 case 2:
     $tpl->assign('req', check_requirements());
     $tpl->assign('btn_next', 1);
     $tpl->assign('btn_back', 1);
     $tpl->assign('title', _L('Welcome'));
     if (!empty($_POST['submit']) && $_POST['submit'] == 'next') {
         SmartyValidate::disconnect();
         $step++;
         @header('Location: index.php?step=' . $step);
         @exit;
     } elseif (!empty($_POST['submit']) && $_POST['submit'] == 'back') {
         SmartyValidate::disconnect();
         $step--;
         @header('Location: index.php?step=' . $step);
         @exit;
     }
     break;

?>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN"
	"http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
	<title>Upgrade Plogger</title>
	<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
	<link rel="stylesheet" type="text/css" href="css/admin.css" />
</head>

<body>

<div><img src="images/plogger.gif" alt="Plogger" /></div>
<?php 
// Check the requirements
$errors = check_requirements();
if (sizeof($errors) > 0) {
    echo "\n\t" . '<p class="errors">' . plog_tr('Plogger cannot be upgraded until the following problems are resolved') . ':</p>';
    echo "\n\n\t\t" . '<ul class="info">';
    foreach ($errors as $error) {
        echo "\n\t\t\t" . '<li class="margin-5">' . $error . '</li>';
    }
    echo "\n\t\t" . '</ul>';
    echo "\n\n\t\t" . '<form method="get" action="' . $_SERVER['REQUEST_URI'] . '">
		<p><input class="submit" type="submit" value="' . plog_tr('Try again') . '" /></p>
		</form>' . "\n";
} else {
    // End of requirement check
    $errors = "";
    echo "\n" . '<h1>' . plog_tr('Upgrading Plogger') . '</h1>';
    switch ($step) {

 function generate($config)
 {
     global $fpdf_charwidths;
     global $g_baseurl;
     global $g_border;
     global $g_box_uid;
     global $g_boxes;
     global $g_colors;
     global $g_config;
     global $g_css;
     global $g_css_defaults_obj;
     global $g_css_handlers;
     global $g_css_index;
     global $g_css_obj;
     global $g_font_family;
     global $g_font_resolver;
     global $g_font_resolver_pdf;
     global $g_font_size;
     global $g_frame_level;
     global $g_html_entities;
     global $g_image_cache;
     global $g_last_assigned_font_id;
     global $g_list_item_nums;
     global $g_manager_encodings;
     global $g_media;
     global $g_predefined_media;
     global $g_pt_scale;
     global $g_px_scale;
     global $g_stylesheet_title;
     global $g_table_border;
     global $g_tag_attrs;
     global $g_unicode_glyphs;
     global $g_utf8_converters;
     global $g_utf8_to_encodings_mapping_pdf;
     global $g_valign;
     global $psdata;
     global $g_font_style;
     global $g_font_family;
     global $g_font_weight;
     global $g_font_size;
     global $g_line_height;
     //			global $base_font_size;
     $context = pobject::getContext();
     $me = $context["arCurrentObject"];
     require_once HTML2PS_LOCATION . 'pipeline.factory.class.php';
     set_time_limit(600);
     check_requirements();
     $g_baseurl = trim($config['URL']);
     if ($g_baseurl === "") {
         $me->error = "Please specify URL to process!";
         return false;
     }
     // Add HTTP protocol if none specified
     if (!preg_match("/^https?:/", $g_baseurl)) {
         $g_baseurl = 'http://' . $g_baseurl;
     }
     $g_css_index = 0;
     // Title of styleshee to use (empty if no preferences are set)
     $g_stylesheet_title = "";
     $g_config = array('cssmedia' => isset($config['cssmedia']) ? $config['cssmedia'] : "screen", 'convert' => isset($config['convert']), 'media' => isset($config['media']) ? $config['media'] : "A4", 'scalepoints' => isset($config['scalepoints']), 'renderimages' => isset($config['renderimages']), 'renderfields' => isset($config['renderfields']), 'renderforms' => isset($config['renderforms']), 'pslevel' => isset($config['pslevel']) ? $config['pslevel'] : 2, 'renderlinks' => isset($config['renderlinks']), 'pagewidth' => isset($config['pixels']) ? (int) $config['pixels'] : 800, 'landscape' => isset($config['landscape']), 'method' => isset($config['method']) ? $config['method'] : "fpdf", 'margins' => array('left' => isset($config['leftmargin']) ? (int) $config['leftmargin'] : 0, 'right' => isset($config['rightmargin']) ? (int) $config['rightmargin'] : 0, 'top' => isset($config['topmargin']) ? (int) $config['topmargin'] : 0, 'bottom' => isset($config['bottommargin']) ? (int) $config['bottommargin'] : 0), 'encoding' => isset($config['encoding']) ? $config['encoding'] : "", 'ps2pdf' => isset($config['ps2pdf']) ? $config['ps2pdf'] : 0, 'compress' => isset($config['compress']) ? $config['compress'] : 0, 'output' => isset($config['output']) ? $config['output'] : 0, 'pdfversion' => isset($config['pdfversion']) ? $config['pdfversion'] : "1.2", 'transparency_workaround' => isset($config['transparency_workaround']), 'imagequality_workaround' => isset($config['imagequality_workaround']), 'draw_page_border' => isset($config['pageborder']), 'debugbox' => isset($config['debugbox']), 'watermarkhtml' => isset($config['watermarkhtml']), 'smartpagebreak' => isset($config['smartpagebreak']), 'html2xhtml' => !isset($config['html2xhtml']), 'mode' => 'html');
     // ========== Entry point
     parse_config_file(HTML2PS_LOCATION . './.html2ps.config');
     // validate input data
     if ($g_config['pagewidth'] == 0) {
         $me->error = "Please specify non-zero value for the pixel width!";
         return false;
     }
     // begin processing
     $g_media = Media::predefined($g_config['media']);
     $g_media->set_landscape($g_config['landscape']);
     $g_media->set_margins($g_config['margins']);
     $g_media->set_pixels($g_config['pagewidth']);
     $g_px_scale = mm2pt($g_media->width() - $g_media->margins['left'] - $g_media->margins['right']) / $g_media->pixels;
     if ($g_config['scalepoints']) {
         $g_pt_scale = $g_px_scale * 1.43;
         // This is a magic number, just don't touch it, or everything will explode!
     } else {
         $g_pt_scale = 1.0;
     }
     // Initialize the coversion pipeline
     $pipeline = new Pipeline();
     // Configure the fetchers
     $pipeline->fetchers[] = new FetcherURL();
     // Configure the data filters
     $pipeline->data_filters[] = new DataFilterDoctype();
     $pipeline->data_filters[] = new DataFilterUTF8($g_config['encoding']);
     if ($g_config['html2xhtml']) {
         $pipeline->data_filters[] = new DataFilterHTML2XHTML();
     } else {
         $pipeline->data_filters[] = new DataFilterXHTML2XHTML();
     }
     $pipeline->parser = new ParserXHTML();
     $pipeline->pre_tree_filters = array();
     if ($g_config['renderfields']) {
         $pipeline->pre_tree_filters[] = new PreTreeFilterHTML2PSFields("", "", "");
     }
     if ($g_config['method'] === 'ps') {
         $pipeline->layout_engine = new LayoutEnginePS();
     } else {
         $pipeline->layout_engine = new LayoutEngineDefault();
//.........这里部分代码省略.........

    define('BASE_RELATIVE', '.');
} else {
    define('BASE_RELATIVE', str_replace(DOCUMENT_ROOT, '', BASE));
}
// for debugging uncomment these lines:
//print 'BASE = "'.BASE.'"<br>';
//print 'DOCUMENT_ROOT = "'.DOCUMENT_ROOT.'"<br>';
//print 'BASE_RELATIVE = "'.BASE_RELATIVE.'"<br>';
//print 'DIRECTORY_SEPARATOR = "'.DIRECTORY_SEPARATOR.'"<br>';
//exit;
/********************************************************************************
 *
 *   make some checks
 *
 *********************************************************************************/
$messages = check_requirements();
if (count($messages) > 0) {
    print_messages_without_template('Part-DB', 'Mindestanforderungen von Part-DB nicht erfüllt!', '<font color="red"><strong>&bull;' . implode('<br>&bull;', $messages) . '</strong></font><br><br>' . 'Nähere Informationen gibt es in der <a target="_blank" href="' . BASE_RELATIVE . '/documentation/dokuwiki/doku.php?id=anforderungen">Dokumentation</a>.');
    exit;
}
$messages = check_file_permissions();
if (count($messages) > 0) {
    $message = '<strong><font color="red">';
    foreach ($messages as $msg) {
        $message .= '&bull;' . $msg . '<br>';
    }
    $message .= '</font></strong><br><br>';
    $message .= 'Nähere Informationen zu den Dateirechten gibt es in der <a target="_blank" href="' . BASE_RELATIVE . '/documentation/dokuwiki/doku.php?id=installation">Dokumentation</a>.<br><br>';
    $message .= '<form action="" method="post"><input type="submit" value="Seite neu laden"></form>';
    print_messages_without_template('Part-DB', 'Anpassung der Rechte von Verzeichnissen und Dateien', $message);
    exit;

function do_install($form)
{
    $form = array_map('stripslashes', $form);
    $form = array_map('trim', $form);
    $errors = check_requirements();
    if (sizeof($errors) > 0) {
        print '<p>Plogger wont work until the following problems are resolved</p>';
        print '<ul>';
        foreach ($errors as $error) {
            print '<li>' . $error . '</li>';
        }
        print '</ul>';
        print '<form method="GET" action="_install.php"><input type="submit" value="Try again"/></form>';
        return false;
    }
    if (defined('PLOGGER_DB_HOST')) {
        $mysql = check_mysql(PLOGGER_DB_HOST, PLOGGER_DB_USER, PLOGGER_DB_PW, PLOGGER_DB_NAME);
        // looks like we are already configured
        if (empty($mysql)) {
            print '<p>Plogger is already installed!</p>';
            return false;
        }
    }
    $ok = false;
    $errors = array();
    if (!empty($form['action']) && 'install' == $form['action']) {
        if (empty($form['db_host'])) {
            $errors[] = 'Please enter the name of your MySQL host.';
        }
        if (empty($form['db_user'])) {
            $errors[] = 'Please enter the MySQL username.';
        }
        if (empty($form['db_pass'])) {
            $errors[] = 'Please enter the MySQL password.';
        }
        if (empty($form['db_name'])) {
            $errors[] = 'Please enter the MySQL database name.';
        }
        if (empty($form['gallery_name'])) {
            $errors[] = 'Please enter the name for your gallery.';
        }
        if (empty($form['admin_email'])) {
            $errors[] = 'Please enter your e-mail address.';
        }
        if (empty($errors)) {
            $errors = check_mysql($form['db_host'], $form['db_user'], $form['db_pass'], $form['db_name']);
            $ok = empty($errors);
        }
        if (!$ok) {
            print '<ul><li>';
            print join("</li>\n<li>", $errors);
            print '</li></ul>';
        } else {
            $password = generate_password();
            $_SESSION["install_values"] = array("gallery_name" => $form["gallery_name"], "admin_email" => $form["admin_email"], "admin_password" => $password, "admin_username" => "admin");
            $conf = create_config_file($form['db_host'], $form['db_user'], $form['db_pass'], $form['db_name']);
            // if configuration file is writable, then set the values
            // otherwise serve the config file to user and ask her to
            // upload it to webhost
            if (config_writable()) {
                write_config($conf);
            } else {
                $_SESSION["plogger_config"] = $conf;
            }
            require PLOGGER_DIR . 'lib/plogger/form_setup_complete.php';
            return true;
        }
    }
    // most of the time it's probably running on localhost
    if (empty($form['db_host'])) {
        $form['db_host'] = 'localhost';
    }
    $init_vars = array('db_user', 'db_pass', 'db_name', 'gallery_name', 'admin_email');
    foreach ($init_vars as $var) {
        if (empty($form[$var])) {
            $form[$var] = "";
        }
    }
    require PLOGGER_DIR . 'lib/plogger/form_setup.php';
}