Logins: reorganized data structures a bit. WiP - needs test routine done.
+ − <?php
+ −
+ − /*
+ − * Enano - an open-source CMS capable of wiki functions, Drupal-like sidebar blocks, and everything in between
+ − * Copyright (C) 2006-2009 Dan Fuhry
+ − *
+ − * This program is Free Software; you can redistribute 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.
+ − *
+ − * 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. See the GNU General Public License for details.
+ − */
+ −
+ − /**
+ − * The main loader script that initializes everything about Enano in the proper order. Prepare to get
+ − * redirected if you don't have $_GET['title'] or $_SERVER['PATH_INFO'] set up.
+ − * @package Enano
+ − * @subpackage Core
+ − * @copyright See header block
+ − */
+ −
+ − // Make sure we don't have an attempt to inject globals (register_globals on)
+ − if ( isset($_REQUEST['GLOBALS']) )
+ − {
+ − ?>
+ − <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1//EN" "http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd"><html><head><title>Hacking Attempt</title><meta http-equiv="Content-type" content="text/html; charset=utf-8" /></head><style type="text/css">body{background-color:#000;color:#CCC;font-family:trebuchet ms,sans-serif;font-size:9pt;}a{color:#FFF;}</style><body><p>Hacking attempt using <a href="http://www.hardened-php.net/index.76.html">PHP $GLOBALS overwrite vulnerability</a> detected, reported to admin</p><p>You're worse than this guy! Unless you are this guy...</p><p id="billp"><img alt=" " src="about:blank" id="billi" /></p><script type="text/javascript">// <![CDATA[
+ − window.onload=function(){counter();setInterval('counter();', 1000);};var text=false;var cnt=10;function counter(){if(!text){text=document.createElement('span');text.id='billc';text.innerHTML=cnt;text.style.fontSize='96pt';text.style.color='#FF0000';p=document.getElementById('billp');p.appendChild(text);}else{if(cnt==1){document.getElementById('billi').src='http://upload.wikimedia.org/wikipedia/commons/7/7f/Bill_Gates_2004_cr.jpg';document.getElementById('billc').innerHTML='';return;}cnt--;document.getElementById('billc').innerHTML=cnt+' ';}}
+ − // ]]>
+ − </script><p><span style="color:black;">You been f***ed by Enano | valid XHTML 1.1</span></p></body></html>
+ − <?php
+ − exit;
+ − }
+ −
+ − // only do this if it hasn't been done yet
+ − if ( !defined('ENANO_COMMON_ROOT_LOADED') )
+ − {
+ −
+ − // log this
+ − define('ENANO_COMMON_ROOT_LOADED', 1);
+ −
+ − // Our version number
+ − // This needs to match the version number in the database. This number should
+ − // be the expected output of enano_version(), which will always be in the
+ − // format of 1.0.2, 1.0.2a1, 1.0.2b1, 1.0.2RC1
+ − // You'll want to change this for custom distributions.
+ − $version = '1.1.7';
+ −
+ − /**
+ − * Returns a floating-point number with the current UNIX timestamp in microseconds. Defined very early because we gotta call it
+ − * from very early on in the script to measure the starting time of Enano.
+ − * @return float
+ − */
+ −
+ − // First check to see if something already declared this function.... it happens often.
+ − if ( !function_exists('microtime_float') )
+ − {
+ − function microtime_float()
+ − {
+ − list($usec, $sec) = explode(" ", microtime());
+ − return ((float)$usec + (float)$sec);
+ − }
+ − }
+ −
+ − // Determine starting time
+ − global $_starttime;
+ − $_starttime = microtime_float();
+ −
+ − // Verbose error reporting
+ − if ( defined('E_STRICT') )
+ − {
+ − // PHP5, PHP6
+ − error_reporting(E_ALL & ~E_STRICT);
+ − }
+ − else
+ − {
+ − // PHP4
+ − error_reporting(E_ALL);
+ − }
+ −
+ − //
+ − // Determine the location of Enano as an absolute path.
+ − //
+ −
+ − // We need to see if this is a specially marked Enano development server. You can create an Enano
+ − // development server by cloning the Mercurial repository into a directory named repo, and then
+ − // using symlinks to reference the original files so as to segregate unique files from non-unique
+ − // and distribution-standard ones. Enano will pivot its root directory accordingly if the file
+ − // .enanodev is found in the Enano root (not /repo/).
+ − if ( strpos(__FILE__, '/repo/') && file_exists(dirname(__FILE__) . '/../../.enanodev') )
+ − {
+ − // We have a development directory. Remove /repo/ from the picture.
+ − $filename = str_replace('/repo/', '/', __FILE__);
+ − }
+ − else
+ − {
+ − // Standard Enano installation
+ − $filename = __FILE__;
+ − }
+ −
+ − // ENANO_ROOT is sometimes defined by plugins like AjIM that need the constant before the Enano API is initialized
+ − if ( !defined('ENANO_ROOT') )
+ − define('ENANO_ROOT', dirname(dirname($filename)));
+ −
+ − // We deprecated debugConsole in 1.0.2 because it was never used and there were a lot of unneeded debugging points in the code.
+ −
+ − // _nightly.php is used to tag non-Mercurial-generated nightly builds
+ − if ( file_exists( ENANO_ROOT . '/_nightly.php') )
+ − require(ENANO_ROOT.'/_nightly.php');
+ −
+ − // List of scheduled tasks (don't change this manually, use register_cron_task())
+ − $cron_tasks = array();
+ −
+ − } // check for ENANO_COMMON_ROOT_LOADED
+ − else
+ − {
+ − // loading a second time
+ − if ( !defined('ENANO_COMMON_ROOT_LOADED_MULTI') )
+ − {
+ − define('ENANO_COMMON_ROOT_LOADED_MULTI', 1);
+ − }
+ − }
+ −
+ − // If all we really need is the root directory, just leave now
+ − // checking for ENANO_COMMON_ROOT_LOADED_MULTI here means that if common
+ − // is included a second time, the rest of Enano will load.
+ − if ( defined('ENANO_COMMON_ROOTONLY') && !defined('ENANO_COMMON_ROOT_LOADED_MULTI') )
+ − {
+ − return true;
+ − }
+ −
+ − // Start including files. LOTS of files. Yeah!
+ − require_once(ENANO_ROOT.'/includes/constants.php');
+ − require_once(ENANO_ROOT.'/includes/functions.php');
+ − require_once(ENANO_ROOT.'/includes/dbal.php');
+ − require_once(ENANO_ROOT.'/includes/paths.php');
+ − require_once(ENANO_ROOT.'/includes/sessions.php');
+ − require_once(ENANO_ROOT.'/includes/template.php');
+ − require_once(ENANO_ROOT.'/includes/output.php');
+ − require_once(ENANO_ROOT.'/includes/plugins.php');
+ − require_once(ENANO_ROOT.'/includes/cache.php');
+ − require_once(ENANO_ROOT.'/includes/lang.php');
+ − require_once(ENANO_ROOT.'/includes/render.php');
+ − require_once(ENANO_ROOT.'/includes/rijndael.php');
+ − require_once(ENANO_ROOT.'/includes/email.php');
+ − require_once(ENANO_ROOT.'/includes/json2.php');
+ − require_once(ENANO_ROOT.'/includes/pageprocess.php');
+ − require_once(ENANO_ROOT.'/includes/namespaces/default.php');
+ − require_once(ENANO_ROOT.'/includes/tagcloud.php');
+ − require_once(ENANO_ROOT.'/includes/hmac.php');
+ −
+ − strip_magic_quotes_gpc();
+ −
+ − profiler_log('Files included and magic_quotes_gpc reversed if applicable');
+ −
+ − // Enano has five main components: the database abstraction layer (DBAL), the session manager,
+ − // the path/URL manager, the template engine, and the plugin manager.
+ − // Each part has its own class and a global object; nearly all Enano functions are handled by one of these five components.
+ − // All of these classes are singletons and are designed to carry as much data as possible within the object
+ − // to make data access and function calling easy.
+ −
+ − global $db, $session, $paths, $template, $plugins; // Common objects
+ − global $enano_config; // A global used to cache config information without making loads of queries ;-)
+ − // In addition, $enano_config is used to fetch config information if die_semicritical() is called.
+ −
+ − // Jim Tucek's e-mail encryption code
+ − global $email;
+ −
+ − // Language object
+ − global $lang;
+ −
+ − // Timezone offset
+ − global $timezone;
+ − $timezone = 0;
+ −
+ − // DST settings
+ − global $dst_params;
+ − $dst_params = array(0, 0, 0, 0, 60);
+ −
+ − // Establish HTTPS
+ − $is_https = isset($_SERVER['HTTPS']) && $_SERVER['HTTPS'] != 'off';
+ −
+ − // Divert to CLI loader if running from CLI
+ − if ( defined('ENANO_CLI') || ( isset($argc) && isset($argv) ) )
+ − {
+ − if ( defined('ENANO_CLI') || ( is_int($argc) && is_array($argv) && !isset($_SERVER['REQUEST_URI']) ) )
+ − {
+ − require(ENANO_ROOT . '/includes/common_cli.php');
+ − return;
+ − }
+ − }
+ −
+ − // Because Enano sends out complete URLs in several occasions, we need to know what hostname the user is requesting the page from.
+ − // In future versions we may include a fallback "safety" host to use, but that's too much to worry about now
+ − if ( !isset($_SERVER['HTTP_HOST']) )
+ − grinding_halt('Cannot get hostname', '<p>Your web browser did not provide the HTTP Host: field. This site requires a modern browser that supports the HTTP 1.1 standard.</p>');
+ −
+ − //
+ − // END BACKGROUND AND ENVIRONMENT CHECKS
+ − //
+ −
+ − profiler_log('Background/environment checks done');
+ −
+ − //
+ − // MAIN API INITIALIZATION
+ − //
+ −
+ − // The first thing we need to do is start the database connection. At this point, for all we know, Enano might not
+ − // even be installed. If this connection attempt fails and it's because of a missing or corrupt config file, the
+ − // user will be redirected (intelligently) to install.php.
+ −
+ − $config_file = ( defined('IN_ENANO_INSTALL') ) ? '/config.new.php' : '/config.php';
+ − @include(ENANO_ROOT . $config_file);
+ − unset($dbuser, $dbpasswd);
+ − if ( !isset($dbdriver) )
+ − $dbdriver = 'mysql';
+ −
+ − $db = new $dbdriver();
+ − $db->connect();
+ −
+ − profiler_log('Database connected');
+ −
+ − // The URL separator is the character appended to contentPath + url_title type strings.
+ − // If the contentPath has a ? in it, this should be an ampersand; else, it should be a
+ − // question mark.
+ − $sep = ( strstr(contentPath, '?') ) ? '&' : '?';
+ − define('urlSeparator', $sep);
+ − unset($sep); // save 10 bytes of memory...
+ −
+ − // Build the list of system tables (this is mostly done in constants.php, but that's before table_prefix is known)
+ − if ( defined('table_prefix') && !defined('ENANO_TABLELIST_PREFIXED') )
+ − {
+ − define('ENANO_TABLELIST_PREFIXED', 1);
+ − foreach ( $system_table_list as $i => $_ )
+ − {
+ − $system_table_list[$i] = table_prefix . $system_table_list[$i];
+ − }
+ − }
+ −
+ − // Select and fetch the site configuration
+ − $e = $db->sql_query('SELECT config_name, config_value FROM '.table_prefix.'config;');
+ − if ( !$e )
+ − {
+ − $db->_die('Some critical configuration information could not be selected.');
+ − }
+ − // Used in die_semicritical to figure out whether to call getConfig() or not
+ − define('ENANO_CONFIG_FETCHED', '');
+ −
+ − // Initialize and fetch the site configuration array, which is used to cache the config
+ − $enano_config = Array();
+ − while($r = $db->fetchrow())
+ − {
+ − $enano_config[$r['config_name']] = $r['config_value'];
+ − }
+ −
+ − $db->free_result();
+ −
+ − profiler_log('Config fetched');
+ −
+ − if ( defined('ENANO_EXIT_AFTER_CONFIG') )
+ − {
+ − return true;
+ − }
+ −
+ − // Now that we have the config, check the Enano version.
+ − if ( enano_version(false, true) != $version && !defined('IN_ENANO_UPGRADE') )
+ − {
+ − grinding_halt('Version mismatch', '<p>It seems that the Enano release we\'re trying to run ('.$version.') is different from the version specified in your database ('.enano_version().'). Perhaps you need to <a href="'.scriptPath.'/install/index.php">upgrade</a>?</p>');
+ − }
+ −
+ − // Set our CDN path
+ − if ( !defined('cdnPath') )
+ − {
+ − $cdnpath = getConfig('cdn_path', scriptPath);
+ − if ( empty($cdnpath) )
+ − $cdnpath = scriptPath;
+ − define('cdnPath', $cdnpath);
+ − }
+ −
+ − //
+ − // Low level maintenance
+ − //
+ −
+ − // If the AES key size has been changed, bail out and fast
+ − if ( !getConfig('aes_key_size') )
+ − {
+ − setConfig('aes_key_size', AES_BITS);
+ − }
+ − else if ( $ks = getConfig('aes_key_size') )
+ − {
+ − if ( intval($ks) != AES_BITS )
+ − {
+ − grinding_halt('AES key size changed', '<p>Enano has detected that the AES key size in constants.php has been changed. This change cannot be performed after installation, otherwise the private key would have to be re-generated and all passwords would have to be re-encrypted.</p><p>Please change the key size back to ' . $ks . ' bits and reload this page.</p>');
+ − }
+ − }
+ −
+ − // Same for AES block size
+ − if ( !getConfig('aes_block_size') )
+ − {
+ − setConfig('aes_block_size', AES_BLOCKSIZE);
+ − }
+ − else if ( $ks = getConfig('aes_block_size') )
+ − {
+ − if ( intval($ks) != AES_BLOCKSIZE )
+ − {
+ − grinding_halt('AES block size changed', '<p>Enano has detected that the AES block size in constants.php has been changed. This change cannot be performed after installation, otherwise all passwords would have to be re-encrypted.</p><p>Please change the block size back to ' . $ks . ' bits and reload this page.</p>');
+ − }
+ − }
+ −
+ − // Is there no default language?
+ − if ( getConfig('default_language') === false && !defined('IN_ENANO_MIGRATION') )
+ − {
+ − $q = $db->sql_query('SELECT lang_id FROM '.table_prefix.'language LIMIT 1;');
+ − if ( !$q )
+ − $db->_die('common.php - setting default language');
+ − if ( $db->numrows() < 1 && !defined('ENANO_ALLOW_LOAD_NOLANG') )
+ − {
+ − grinding_halt('No languages', '<p>There are no languages installed on this site.</p>
+ − <p>If you are the website administrator, you may install a language by writing and executing a simple PHP script to install it:</p>
+ − <pre>
+ − <?php
+ − define("ENANO_ALLOW_LOAD_NOLANG", 1);
+ − require("includes/common.php");
+ − install_language("eng", "English", "English", ENANO_ROOT . "/language/english/enano.json");</pre>');
+ − }
+ − $row = $db->fetchrow();
+ − setConfig('default_language', $row['lang_id']);
+ − }
+ −
+ − profiler_log('Ran checks');
+ −
+ − // Init cache
+ − $cache = new CacheManager();
+ −
+ − // Load plugin manager
+ − $plugins = new pluginLoader();
+ −
+ − //
+ − // Mainstream API boot-up
+ − //
+ −
+ − // Obtain list of plugins
+ − $plugins->loadAll();
+ −
+ − profiler_log('Fetched plugin list');
+ −
+ − global $plugins;
+ −
+ − // Load plugins from common because we can't give plugins full abilities in object context
+ − foreach ( $plugins->load_list as $f )
+ − {
+ − if ( file_exists(ENANO_ROOT . '/plugins/' . $f) )
+ − include_once ENANO_ROOT . '/plugins/' . $f;
+ − }
+ −
+ − profiler_log('Loaded plugins');
+ −
+ − // Three fifths of the Enano API gets the breath of life right here.
+ − $session = new sessionManager();
+ − $paths = new pathManager();
+ − $template = new template();
+ − $email = new EmailEncryptor();
+ −
+ − profiler_log('Instanciated important singletons');
+ −
+ − // We've got the five main objects - flick on the switch so if a problem occurs, we can have a "friendly" UI
+ − define('ENANO_BASE_CLASSES_INITIALIZED', '');
+ −
+ − // From here on out, none of this functionality is needed during the installer stage.
+ − // Once $paths->init() is called, we could be redirected to the main page, so we don't want
+ − // that if the installer's running. Don't just go and define IN_ENANO_INSTALL from your
+ − // script though, because that will make the DBAL look in the wrong place for the config file.
+ − if ( !defined('IN_ENANO_INSTALL') )
+ − {
+ − // And here you have it, the de facto way to place a hook. Plugins can place hooks and hook
+ − // into other plugins. You just never know.
+ − $code = $plugins->setHook('base_classes_initted');
+ − foreach ( $code as $cmd )
+ − {
+ − eval($cmd);
+ − }
+ −
+ − profiler_log('Finished base_classes_initted hook');
+ −
+ − // One quick security check...
+ − if ( !is_valid_ip($_SERVER['REMOTE_ADDR']) )
+ − {
+ − die('SECURITY: spoofed IP address: ' . htmlspecialchars($_SERVER['REMOTE_ADDR']));
+ − }
+ −
+ − // For special and administration pages, sometimes there is a "preloader" function that must be run
+ − // before the session manager and/or path manager get the init signal. Call it here.
+ − $urlname = get_title(true);
+ − list($page_id, $namespace) = RenderMan::strToPageID($urlname);
+ − list($page_id_top) = explode('/', $page_id);
+ − $fname = "page_{$namespace}_{$page_id_top}_preloader";
+ − if( ( $namespace == 'Admin' || $namespace == 'Special' ) && function_exists($fname))
+ − {
+ − call_user_func($fname);
+ − }
+ −
+ − profiler_log('Checked for (and ran, if applicable) preloader');
+ −
+ − // All checks passed! Start the main components up.
+ − $session->start();
+ −
+ − // Add all of our built in special pages
+ − foreach ( array('SpecialUserFuncs', 'SpecialPageFuncs', 'SpecialAdmin', 'SpecialCSS', 'SpecialUpDownload', 'SpecialSearch', 'PrivateMessages', 'SpecialGroups', 'SpecialLog') as $plugin )
+ − {
+ − $funcname = "{$plugin}_paths_init";
+ − if ( function_exists($funcname) )
+ − {
+ − $funcname();
+ − }
+ − }
+ − profiler_log('Added special pages');
+ −
+ − // This is where plugins will want to add pages from 1.1.x on out. You can still add
+ − // pages at base_classes_initted but the titles won't be localized. This is because
+ − // the session manager has to be started before localization will work in the user's
+ − // preferred language.
+ − $code = $plugins->setHook('session_started');
+ − foreach ( $code as $cmd )
+ − {
+ − eval($cmd);
+ − }
+ −
+ − profiler_log('Ran session_started hook');
+ −
+ − $paths->init($urlname);
+ −
+ − // setup output format
+ − if ( defined('ENANO_OUTPUT_FORMAT') )
+ − $class = 'Output_' . ENANO_OUTPUT_FORMAT;
+ − else
+ − $class = ( isset($_GET['noheaders']) ) ? 'Output_Naked' : 'Output_HTML';
+ −
+ − $output = new $class();
+ −
+ − // Are we running from the API? If so, did the page set a title?
+ − if ( !defined('ENANO_INTERFACE_INDEX') && !defined('ENANO_INTERFACE_AJAX') && isset($title) )
+ − {
+ − $output->set_title($title);
+ − }
+ −
+ − // We're ready for whatever life throws us now, at least from an API point of view.
+ − define('ENANO_MAINSTREAM', '');
+ −
+ − // If the site is disabled, bail out, unless we're trying to log in or administer the site
+ − if(getConfig('site_disabled') == '1' && $session->user_level < USER_LEVEL_ADMIN)
+ − {
+ − // is this one of the more critical special pages?
+ − if ( $paths->namespace == 'Admin' || ( $paths->namespace == 'Special' && ( $paths->page_id == 'CSS' || $paths->page_id == 'Administration' || $paths->page_id == 'Login' ) ) )
+ − {
+ − // yeah, we need to keep this page available. do nothing; allow execution to continue
+ − }
+ − else
+ − {
+ − if(!$n = getConfig('site_disabled_notice'))
+ − {
+ − $n = 'The administrator has disabled the site. Please check back later.';
+ − }
+ −
+ − $text = RenderMan::render($n) . '
+ − <div class="info-box">
+ − If you have an administrative account, you may <a href="'.makeUrlNS('Special', 'Login').'">log in</a> to the site.
+ − </div>';
+ − $paths->wiki_mode = 0;
+ − die_semicritical('Site disabled', $text);
+ − }
+ − }
+ − else if ( getConfig('site_disabled') == '1' && $session->user_level >= USER_LEVEL_ADMIN )
+ − {
+ − // If the site is disabled but the user has admin rights, allow browsing
+ − // and stuff, but display the orange box notifying the admin.
+ − $template->site_disabled = true;
+ − }
+ −
+ − // At this point all of Enano is fully initialized and running and you're ready to do whatever you want.
+ − $code = $plugins->setHook('common_post');
+ − foreach ( $code as $cmd )
+ − {
+ − eval($cmd);
+ − }
+ −
+ − profiler_log('Ran disabled-site checks and common_post');
+ −
+ − load_rank_data();
+ −
+ − profiler_log('Loaded user rank data');
+ −
+ − if ( isset($_GET['noheaders']) )
+ − $template->no_headers = true;
+ − }
+ −
+ − profiler_log('common finished');
+ −
+ − // That's the end. Enano should be loaded now :-)
+ −
+ − ?>