init.php

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<?php
/***************************************************************
*  Copyright notice
*
*  (c) 1999-2004 Kasper Skaarhoj (kasperYYYY@typo3.com)
*  All rights reserved
*
*  This script is part of the TYPO3 project. The TYPO3 project 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.
*
*  The GNU General Public License can be found at
*  http://www.gnu.org/copyleft/gpl.html.
*  A copy is found in the textfile GPL.txt and important notices to the license
*  from the author is found in LICENSE.txt distributed with these scripts.
*
*
*  This script 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 more details.
*
*  This copyright notice MUST APPEAR in all copies of the script!
***************************************************************/
// *******************************
// Set error reporting
// *******************************
error_reporting (E_ALL ^ E_NOTICE);


// *******************************
// Define constants
// *******************************
define('TYPO3_OS', stristr(PHP_OS,'win')&&!stristr(PHP_OS,'darwin')?'WIN':'');
define('TYPO3_MODE','BE');
define('PATH_thisScript',str_replace('//','/', str_replace('\\','/', (php_sapi_name()=='cgi'||php_sapi_name()=='isapi' ||php_sapi_name()=='cgi-fcgi')&&($_SERVER['ORIG_PATH_TRANSLATED']?$_SERVER['ORIG_PATH_TRANSLATED']:$_SERVER['PATH_TRANSLATED'])? ($_SERVER['ORIG_PATH_TRANSLATED']?$_SERVER['ORIG_PATH_TRANSLATED']:$_SERVER['PATH_TRANSLATED']):($_SERVER['ORIG_SCRIPT_FILENAME']?$_SERVER['ORIG_SCRIPT_FILENAME']:$_SERVER['SCRIPT_FILENAME']))));
define('TYPO3_mainDir', 'typo3/');     // This is the directory of the backend administration for the sites of this TYPO3 installation.


// *******************************
// Checking path
// *******************************
$temp_path = dirname(PATH_thisScript).'/';
$temp_modPath='';
   // If TYPO3_MOD_PATH is defined we must calculate the modPath since init.php must be included by a module
if (substr($temp_path,-strlen(TYPO3_mainDir))!=TYPO3_mainDir)  {
   if (defined('TYPO3_MOD_PATH'))   {
      if (substr($temp_path,-strlen(TYPO3_MOD_PATH))==TYPO3_MOD_PATH)   {
         $temp_path=substr($temp_path,0,-strlen(TYPO3_MOD_PATH));
         $temp_modPath=TYPO3_MOD_PATH;
      } elseif (substr(TYPO3_MOD_PATH,0,13)=='../typo3conf/' && (substr(TYPO3_MOD_PATH,3)==substr($temp_path,-strlen(substr(TYPO3_MOD_PATH,3))))) {
         $temp_path = substr($temp_path,0,-strlen(substr(TYPO3_MOD_PATH,3))).TYPO3_mainDir;
         $temp_modPath=TYPO3_MOD_PATH;
      }
      if (!@is_dir($temp_path))  {
         $temp_path='';
      }
   }
}

// OUTPUT error message and exit if there are problems with the path. Otherwise define constants and continue.
if (!$temp_path || substr($temp_path,-strlen(TYPO3_mainDir))!=TYPO3_mainDir)  {  // This must be the case in order to proceed
   echo ('Error in init.php: Path to TYPO3 main dir could not be resolved correctly. <br /><br />
      This happens if the last '.strlen(TYPO3_mainDir).' characters of this path, '.$temp_path.', (\$temp_path) is NOT "'.TYPO3_mainDir.'" for some reason. <br />
      You may have a strange server configuration.
      Or maybe you didn\'t set constant TYPO3_MOD_PATH in your module?');
   echo '<br /><strong>If you expect any help from anybody on this issue, you should save this page as an html document and send it along with your request for help!</strong>';
   if (strstr($temp_path,'typo3_src')) {
      echo '<br /><font color="red"><strong> It seems you are trying to run the TYPO3 source libraries DIRECTLY! You cannot do that. Please read the installation documents for more information.<br />
      However here is a little tip for now: Download one of the zip-file "packages", eg the "testsite" or "dummy" package.</strong></font>';
   }
   echo '<HR><pre>';
   print_r(array(
      'TYPO3_OS'=>TYPO3_OS,
      'PATH_thisScript'=>PATH_thisScript,
      'php_sapi_name()'=>php_sapi_name(),
      'TYPO3_MOD_PATH'=>TYPO3_MOD_PATH,
      'PATH_TRANSLATED'=>$_SERVER['PATH_TRANSLATED'],
      'SCRIPT_FILENAME'=>$_SERVER['SCRIPT_FILENAME']
   ));
   echo '</pre><HR>';
   phpinfo();
   exit;
} else {
   define('PATH_typo3', $temp_path);         // Abs. path of the TYPO3 admin dir (PATH_site + TYPO3_mainDir).
   define('PATH_typo3_mod', $temp_modPath);  // Relative path (from the PATH_typo3) to a properly configured module
   define('PATH_site', substr(PATH_typo3,0,-strlen(TYPO3_mainDir))); // Abs. path to directory with the frontend (one above the admin-dir)
   define('PATH_t3lib', PATH_typo3.'t3lib/');         // Abs. path to t3lib/ (general TYPO3 library) within the TYPO3 admin dir
   define('PATH_typo3conf', PATH_site.'typo3conf/');  // Abs. TYPO3 configuration path (local, not part of source)
}


// *************************************************
// t3lib_div + extention management class included
// *************************************************
require_once(PATH_t3lib.'class.t3lib_div.php');    // The standard-library is included
require_once(PATH_t3lib.'class.t3lib_extmgm.php'); // Extension API Management library included

// ****************************************************
// Include configuration (localconf + ext_localconf)
// ****************************************************
require(PATH_t3lib.'config_default.php');
if (!defined ('TYPO3_db'))    die ('The configuration file was not included.');

require_once(PATH_t3lib.'class.t3lib_db.php');     // The database library
$TYPO3_DB = t3lib_div::makeInstance('t3lib_DB');

$CLIENT = t3lib_div::clientInfo();              // $CLIENT includes information about the browser/user-agent
$PARSETIME_START = t3lib_div::milliseconds();      // Is set to the system time in milliseconds. This could be used to output script parsetime in the end of the script


// *********************
// Libraries included
// *********************
require_once(PATH_t3lib.'class.t3lib_userauth.php');
require_once(PATH_t3lib.'class.t3lib_userauthgroup.php');
require_once(PATH_t3lib.'class.t3lib_beuserauth.php');
require_once(PATH_t3lib.'class.t3lib_iconworks.php');
require_once(PATH_t3lib.'class.t3lib_befunc.php');
require_once(PATH_t3lib.'class.t3lib_cs.php');

// **********************
// Check Hardcoded lock on BE:
// **********************
if ($TYPO3_CONF_VARS['BE']['adminOnly'] < 0) {
   header('Status: 404 Not Found'); // Send Not Found header - if the webserver can make use of it...
   header('Location: http://');  // Just point us away from here...
   exit; // ... and exit good!
}

// **********************
// Check IP
// **********************
if (trim($TYPO3_CONF_VARS['BE']['IPmaskList'])) {
   if (!t3lib_div::cmpIP(t3lib_div::getIndpEnv('REMOTE_ADDR'), $TYPO3_CONF_VARS['BE']['IPmaskList'])) {
      header('Status: 404 Not Found'); // Send Not Found header - if the webserver can make use of it...
      header('Location: http://');  // Just point us away from here...
      exit; // ... and exit good!
   }
}


// **********************
// Check SSL (https)
// **********************
if (intval($TYPO3_CONF_VARS['BE']['lockSSL']))  {
   if (!t3lib_div::getIndpEnv('TYPO3_SSL'))  {
      if ($TYPO3_CONF_VARS['BE']['lockSSL']==2) {
         list(,$url) = explode('://',t3lib_div::getIndpEnv('TYPO3_SITE_URL').TYPO3_mainDir,2);
         header('Location: https://'.$url);  // Just point us away from here...
      } else {
         header('Status: 404 Not Found'); // Send Not Found header - if the webserver can make use of it...
         header('Location: http://');  // Just point us away from here...
      }
      exit; // ... and exit good!
   }
}


// *******************************
// Checking environment
// *******************************
if (t3lib_div::int_from_ver(phpversion())<4001000) die ('TYPO3 runs with PHP4.1.0+ only');
if (isset($_POST['GLOBALS']) || isset($_GET['GLOBALS'])) die('You cannot set the GLOBALS-array from outside the script.');
if (!get_magic_quotes_gpc())  {
   t3lib_div::addSlashesOnArray($_GET);
   t3lib_div::addSlashesOnArray($_POST);
   $HTTP_GET_VARS = $_GET;
   $HTTP_POST_VARS = $_POST;
}


// ********************************************
// Check if the install script should be run:
// ********************************************
if (defined('TYPO3_enterInstallScript') && TYPO3_enterInstallScript) {
   if (!t3lib_extMgm::isLoaded('install'))   die('Install Tool is not loaded as an extension.<br/>You must add the key "install" to the list of installed extensions in typo3temp/localconf.php, $TYPO3_CONF_VARS["EXT"]["extList"].');

   require_once(t3lib_extMgm::extPath('install').'mod/class.tx_install.php');
   $install_check = t3lib_div::makeInstance('tx_install');
   $install_check->allowUpdateLocalConf = 1;
   $install_check->init();
   exit;
}


// *************************
// Connect to the database
// *************************
if ($GLOBALS['TYPO3_DB']->sql_pconnect(TYPO3_db_host, TYPO3_db_username, TYPO3_db_password)) {
   if (!TYPO3_db) {
      t3lib_BEfunc::typo3PrintError ('No database selected','Database Error');
      exit;
   } elseif (!$GLOBALS['TYPO3_DB']->sql_select_db(TYPO3_db))   {
      t3lib_BEfunc::typo3PrintError ('Cannot connect to the current database, "'.TYPO3_db.'"','Database Error');
      exit;
   }
} else {
   t3lib_BEfunc::typo3PrintError ('The current username, password or host was not accepted when the connection to the database was attempted to be established!','Database Error');
   exit;
}


// *******************************
// Checks for proper browser
// *******************************
if (!$CLIENT['BROWSER'] && !(defined('TYPO3_cliMode') && TYPO3_cliMode))   {
   t3lib_BEfunc::typo3PrintError ('Browser error','You must use 4+ browsers with TYPO3!',0);
   exit;
}


// ****************************************************
// Include tables customization (tables + ext_tables)
// ****************************************************
include (TYPO3_tables_script ? PATH_typo3conf.TYPO3_tables_script : PATH_t3lib.'stddb/tables.php');
   // Extension additions
if ($TYPO3_LOADED_EXT['_CACHEFILE'])   {
   include (PATH_typo3conf.$TYPO3_LOADED_EXT['_CACHEFILE'].'_ext_tables.php');
} else {
   include (PATH_t3lib.'stddb/load_ext_tables.php');
}
   // extScript
if (TYPO3_extTableDef_script) {
   include (PATH_typo3conf.TYPO3_extTableDef_script);
}

// *******************************
// BackEnd User authentication
// *******************************
/*
   NOTICE:
   if constant TYPO3_PROCEED_IF_NO_USER is defined true (in the mainscript), this script will return even though a user did not log in!
*/
$BE_USER = t3lib_div::makeInstance('t3lib_beUserAuth');  // New backend user object
$BE_USER->warningEmail = $TYPO3_CONF_VARS['BE']['warning_email_addr'];
$BE_USER->lockIP = $TYPO3_CONF_VARS['BE']['lockIP'];
$BE_USER->auth_timeout_field = intval($TYPO3_CONF_VARS['BE']['sessionTimeout']);
$BE_USER->OS = TYPO3_OS;
$BE_USER->start();         // Object is initialized
$BE_USER->checkCLIuser();
$BE_USER->backendCheckLogin();   // Checking if there's a user logged in
$BE_USER->trackBeUser($TYPO3_CONF_VARS['BE']['trackBeUser']);  // Tracking backend user script hits

   // Setting the web- and filemount global vars:
$WEBMOUNTS = $BE_USER->returnWebmounts();    // ! WILL INCLUDE deleted mount pages as well!
$FILEMOUNTS = $BE_USER->returnFilemounts();


// ****************
// CLI processing
// ****************
if (defined('TYPO3_cliMode') && TYPO3_cliMode)  {
      // Status output:
   if (!strcmp($_SERVER['argv'][1],'status'))   {
      echo "Status of TYPO3 CLI script:\n\n";
      echo "Username [uid]: ".$BE_USER->user['username']." [".$BE_USER->user['uid']."]\n";
      echo "Database: ".TYPO3_db."\n";
      echo "PATH_site: ".PATH_site."\n";
      echo "\n";
      exit;
   }
}

// ****************
// compression
// ****************
if ($TYPO3_CONF_VARS['BE']['compressionLevel']) {
   ob_start();
   require_once (PATH_t3lib.'class.gzip_encode.php');
}
?>

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