/src/typo3_src-4.1.2/typo3/init.php

<?php
/***************************************************************
*  Copyright notice
*
*  (c) 1999-2007 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 = str_replace('\\','/',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
        if (TYPO3_OS=='WIN')    {
                $thisPath_base = basename(substr($temp_path,-strlen(TYPO3_mainDir)));
                $mainPath_base = basename(TYPO3_mainDir);
                if (!strcasecmp($thisPath, $mainPath))  {       // Seems like the requested URL is not case-specific. This may happen on Windows only. -case. Otherwise, redirect to the correct URL. TYPO3_mainDir must be lower-case!!
                        $script_name = (php_sapi_name()=='cgi'||php_sapi_name()=='cgi-fcgi')&&($_SERVER['ORIG_PATH_INFO']?$_SERVER['ORIG_PATH_INFO']:$_SERVER['PATH_INFO']) ? ($_SERVER['ORIG_PATH_INFO']?$_SERVER['ORIG_PATH_INFO']:$_SERVER['PATH_INFO']) : ($_SERVER['ORIG_SCRIPT_NAME']?$_SERVER['ORIG_SCRIPT_NAME']:$_SERVER['SCRIPT_NAME']);      // Copied from t3lib_div::getIndpEnv()
                        header('Location: '.str_replace($thisPath_base, $mainPath_base, $script_name));
                        exit;
                }
        }

        echo 'Error in init.php: Path to TYPO3 main dir could not be resolved correctly. <br /><br />';

        echo '<font color="red"><strong>';
        if (strstr($temp_path,'typo3_src')) {
                echo 'It seems you are trying to run the TYPO3 source libraries DIRECTLY! You cannot do that.<br />
                Please read the installation documents for more information.';
        } else {
                echo 'This happens if the last '.strlen(TYPO3_mainDir).' characters of this path, '.$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 '</strong></font>';

        echo '<br /><br />If you want to debug this issue, please edit typo3/init.php of your TYPO3 source and search for the die() call right after this line (search for this text to find)...';

// Remove this line if you want to debug this problem a little more...
die();
        echo '<br /><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>';
        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)
        $temp_path_t3lib = @is_dir(PATH_site.'t3lib/') ? PATH_site.'t3lib/' : PATH_typo3.'t3lib/';
        define('PATH_t3lib', $temp_path_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');
$TYPO3_DB->debugOutput = $TYPO3_CONF_VARS['SYS']['sqlDebug'];

$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




// *************************
// CLI dispatch processing
// *************************
if (defined('TYPO3_cliMode') && TYPO3_cliMode && basename(PATH_thisScript)=='cli_dispatch.phpsh')       {
                // First, take out the first argument (cli-key)
        $temp_cliScriptPath = array_shift($_SERVER['argv']);
        $temp_cliKey = array_shift($_SERVER['argv']);
        array_unshift($_SERVER['argv'],$temp_cliScriptPath);

                // If cli_key was found in configuration, then set up the cliInclude path and module name:
        if ($temp_cliKey)       {
                if (is_array($TYPO3_CONF_VARS['SC_OPTIONS']['GLOBAL']['cliKeys'][$temp_cliKey]))        {
                        define('TYPO3_cliInclude', t3lib_div::getFileAbsFileName($TYPO3_CONF_VARS['SC_OPTIONS']['GLOBAL']['cliKeys'][$temp_cliKey][0]));
                        $MCONF['name'] = $TYPO3_CONF_VARS['SC_OPTIONS']['GLOBAL']['cliKeys'][$temp_cliKey][1];
                } else {
                        echo "The supplied 'cliKey' was not valid. Please use one of the available from this list:\n\n";
                        print_r(array_keys($TYPO3_CONF_VARS['SC_OPTIONS']['GLOBAL']['cliKeys']));
                        echo "\n";
                        exit;
                }
        } else {
                echo "Please supply a 'cliKey' as first argument. The following are available:\n\n";
                print_r($TYPO3_CONF_VARS['SC_OPTIONS']['GLOBAL']['cliKeys']);
                echo "\n";
                exit;
        }
}



// *********************
// 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']) && !(defined('TYPO3_cliMode') && TYPO3_cliMode)) {
        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($TYPO3_CONF_VARS['BE']['lockSSL']) && !(defined('TYPO3_cliMode') && TYPO3_cliMode))  {
        if ($TYPO3_CONF_VARS['BE']['lockSSL'] == 3)     {
                $requestStr = substr(t3lib_div::getIndpEnv('TYPO3_REQUEST_SCRIPT'), strlen(t3lib_div::getIndpEnv('TYPO3_SITE_URL').TYPO3_mainDir));
                if($requestStr == 'index.php' && !t3lib_div::getIndpEnv('TYPO3_SSL'))   {
                        list(,$url) = explode('://',t3lib_div::getIndpEnv('TYPO3_REQUEST_URL'),2);
                        header('Location: https://'.$url);
                }
        } elseif (!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 typo3conf/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 ($TYPO3_DB->sql_pconnect(TYPO3_db_host, TYPO3_db_username, TYPO3_db_password))       {
        if (!TYPO3_db)  {
                t3lib_BEfunc::typo3PrintError ('No database selected','Database Error');
                exit;
        } elseif (!$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','Your browser version looks incompatible with this TYPO3 version!',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');
}
?>

---

This documentation has been generated automatically from TYPO3 source code using Doxygen and is provided as is by Cast Iron Coding as a courtesy to other TYPO3 developers and users. Please consider Cast Iron Coding — a full-service web development agency in Portland, Oregon specializing in TYPO3 extension development — for all of your TYPO3 development and consulting needs!