typo3/init.php

   1 <?php
   2 /***************************************************************
   3 *  Copyright notice
   4 *
   5 *  (c) 1999-2003 Kasper Skaarhoj (kasper@typo3.com)
   6 *  All rights reserved
   7 *
   8 *  This script is part of the TYPO3 project. The TYPO3 project is
   9 *  free software; you can redistribute it and/or modify
  10 *  it under the terms of the GNU General Public License as published by
  11 *  the Free Software Foundation; either version 2 of the License, or
  12 *  (at your option) any later version.
  13 *
  14 *  The GNU General Public License can be found at
  15 *  http://www.gnu.org/copyleft/gpl.html.
  16 *  A copy is found in the textfile GPL.txt and important notices to the license
  17 *  from the author is found in LICENSE.txt distributed with these scripts.
  18 *
  19 *
  20 *  This script is distributed in the hope that it will be useful,
  21 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  22 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  23 *  GNU General Public License for more details.
  24 *
  25 *  This copyright notice MUST APPEAR in all copies of the script!
  26 ***************************************************************/
  27 /**
  28  * TYPO3 Backend initialization
  29  *
  30  * This script is called by every backend script.
  31  * The script authenticates the backend user.
  32  * In addition this script also initializes the database and other stuff by including the script localconf.php
  33  *
  34  * IMPORTANT:
  35  * This script exits if no user is logged in!
  36  * If you want the script to return even if no user is logged in,
  37  * you must define the constant TYPO3_PROCEED_IF_NO_USER=1
  38  * before you include this script.
  39  *
  40  *
  41  * This script does the following:
  42  * - extracts and defines path's
  43  * - includes certain libraries
  44  * - authenticates the user
  45  * - sets the configuration values (localconf.php)
  46  * - includes tables.php that sets more values and possibly overrides others
  47  * - load the groupdata for the user and set filemounts / webmounts
  48  *
  49  * For a detailed description of this script, the scope of constants and variables in it,
  50  * please refer to the document "Inside TYPO3"
  51  *
  52  * $Id$
  53  * Revised for TYPO3 3.6 2/2003 by Kasper Skaarhoj
  54  *
  55  * @author      Kasper Skaarhoj <kasper@typo3.com>
  56  * @package TYPO3
  57  * @subpackage core
  58  */
  59
  60
  61 // *******************************
  62 // Set error reporting
  63 // *******************************
  64 error_reporting (E_ALL ^ E_NOTICE);
  65
  66
  67 // *******************************
  68 // Define constants
  69 // *******************************
  70 define('TYPO3_OS', stristr(PHP_OS,'win')&&!stristr(PHP_OS,'darwin')?'WIN':'');
  71 define('TYPO3_MODE','BE');
  72 define('PATH_thisScript',str_replace('//','/', str_replace('\\','/', php_sapi_name()=='cgi'||php_sapi_name()=='isapi' ? $HTTP_SERVER_VARS['PATH_TRANSLATED']:$HTTP_SERVER_VARS['SCRIPT_FILENAME'])));
  73 define('TYPO3_mainDir', 'typo3/');              // This is the directory of the backend administration for the sites of this TYPO3 installation.
  74
  75
  76 // *******************************
  77 // Checking path
  78 // *******************************
  79 $temp_path = dirname(PATH_thisScript).'/';
  80 $temp_modPath='';
  81         // If TYPO3_MOD_PATH is defined we must calculate the modPath since init.php must be included by a module
  82 if (substr($temp_path,-strlen(TYPO3_mainDir))!=TYPO3_mainDir)   {
  83         if (defined('TYPO3_MOD_PATH'))  {
  84                 if (substr($temp_path,-strlen(TYPO3_MOD_PATH))==TYPO3_MOD_PATH) {
  85                         $temp_path=substr($temp_path,0,-strlen(TYPO3_MOD_PATH));
  86                         $temp_modPath=TYPO3_MOD_PATH;
  87                 } elseif (substr(TYPO3_MOD_PATH,0,13)=='../typo3conf/' && (substr(TYPO3_MOD_PATH,3)==substr($temp_path,-strlen(substr(TYPO3_MOD_PATH,3))))) {
  88                         $temp_path = substr($temp_path,0,-strlen(substr(TYPO3_MOD_PATH,3))).TYPO3_mainDir;
  89                         $temp_modPath=TYPO3_MOD_PATH;
  90                 }
  91                 if (!@is_dir($temp_path))       {
  92                         $temp_path='';
  93                 }
  94         }
  95 }
  96
  97 // OUTPUT error message and exit if there are problems with the path. Otherwise define constants and continue.
  98 if (!$temp_path || substr($temp_path,-strlen(TYPO3_mainDir))!=TYPO3_mainDir)    {       // This must be the case in order to proceed
  99         echo ('Error in init.php: Path to TYPO3 main dir could not be resolved correctly. <br /><br />
 100                 This happens if the last '.strlen(TYPO3_mainDir).' characters of this path, '.$temp_path.', (\$temp_path) is NOT "'.TYPO3_mainDir.'" for some reason. <br />
 101                 You may have a strange server configuration.
 102                 Or maybe you didn\'t set constant TYPO3_MOD_PATH in your module?');
 103         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>';
 104         if (strstr($temp_path,'typo3_src'))     {
 105                 echo '<br /><font color="red"><strong> It seems you are trying to run the TYPO3 source libraries DIRECTLY! You cannot do that. Please read the installation documents for more information.<br />
 106                 However here is a little tip for now: Download one of the zip-file "packages", eg the "testsite" or "dummy" package.</strong></font>';
 107         }
 108         echo '<HR><pre>';
 109         print_r(array(
 110                 'TYPO3_OS'=>TYPO3_OS,
 111                 'PATH_thisScript'=>PATH_thisScript,
 112                 'php_sapi_name()'=>php_sapi_name(),
 113                 'TYPO3_MOD_PATH'=>TYPO3_MOD_PATH,
 114                 'PATH_TRANSLATED'=>$HTTP_SERVER_VARS['PATH_TRANSLATED'],
 115                 'SCRIPT_FILENAME'=>$HTTP_SERVER_VARS['SCRIPT_FILENAME']
 116         ));
 117         echo '</pre><HR>';
 118         phpinfo();
 119         exit;
 120 } else {
 121         define('PATH_typo3', $temp_path);                       // Abs. path of the TYPO3 admin dir (PATH_site + TYPO3_mainDir).
 122         define('PATH_typo3_mod', $temp_modPath);        // Relative path (from the PATH_typo3) to a properly configured module
 123         define('PATH_site', substr(PATH_typo3,0,-strlen(TYPO3_mainDir)));       // Abs. path to directory with the frontend (one above the admin-dir)
 124         define('PATH_t3lib', PATH_typo3.'t3lib/');                      // Abs. path to t3lib/ (general TYPO3 library) within the TYPO3 admin dir
 125         define('PATH_typo3conf', PATH_site.'typo3conf/');       // Abs. TYPO3 configuration path (local, not part of source)
 126 }
 127
 128
 129 // *************************************************
 130 // t3lib_div + extention management class included
 131 // *************************************************
 132 require(PATH_t3lib.'class.t3lib_div.php');              // The standard-library is included
 133 require(PATH_t3lib.'class.t3lib_extmgm.php');   // Extension API Management library included
 134
 135
 136 // ****************************************************
 137 // Include configuration (localconf + ext_localconf)
 138 // ****************************************************
 139 require(PATH_t3lib.'config_default.php');
 140 if (!defined ('TYPO3_db'))      die ('The configuration file was not included.');
 141 $CLIENT=t3lib_div::clientInfo();                                        // $CLIENT includes information about the browser/user-agent
 142 $PARSETIME_START = t3lib_div::milliseconds();           // Is set to the system time in milliseconds. This could be used to output script parsetime in the end of the script
 143
 144
 145 // *********************
 146 // Libraries included
 147 // *********************
 148 require_once (PATH_t3lib.'class.t3lib_userauth.php');
 149 require_once (PATH_t3lib.'class.t3lib_userauthgroup.php');
 150 require_once (PATH_t3lib.'class.t3lib_beuserauth.php');
 151 require_once (PATH_t3lib.'class.t3lib_iconworks.php');
 152 require_once (PATH_t3lib.'class.t3lib_befunc.php');
 153 require_once (PATH_t3lib.'class.t3lib_cs.php');
 154
 155 // **********************
 156 // Check IP
 157 // **********************
 158 if (trim($TYPO3_CONF_VARS['BE']['IPmaskList'])) {
 159         if (!t3lib_div::cmpIP(t3lib_div::getIndpEnv('REMOTE_ADDR'), $TYPO3_CONF_VARS['BE']['IPmaskList']))      {
 160                 header('Status: 404 Not Found');        // Send Not Found header - if the webserver can make use of it...
 161                 header('Location: http://');    // Just point us away from here...
 162                 exit;   // ... and exit good!
 163         }
 164 }
 165
 166
 167 // **********************
 168 // Check SSL (https)
 169 // **********************
 170 if (intval($TYPO3_CONF_VARS['BE']['lockSSL']))  {
 171         if (!$HTTP_SERVER_VARS['SSL_SESSION_ID'])       {
 172                 if ($TYPO3_CONF_VARS['BE']['lockSSL']==2)       {
 173                         list(,$url) = explode('://',t3lib_div::getIndpEnv('TYPO3_SITE_URL').TYPO3_mainDir,2);
 174                         header('Location: https://'.$url);      // Just point us away from here...
 175                 } else {
 176                         header('Status: 404 Not Found');        // Send Not Found header - if the webserver can make use of it...
 177                         header('Location: http://');    // Just point us away from here...
 178                 }
 179                 exit;   // ... and exit good!
 180         }
 181 }
 182
 183
 184 // *******************************
 185 // Checking environment
 186 // *******************************
 187 if (t3lib_div::int_from_ver(phpversion())<4000006)      die ('TYPO3 runs with PHP4.0.6+ only');
 188 if (isset($HTTP_POST_VARS['GLOBALS']) || isset($HTTP_GET_VARS['GLOBALS']))      die('You cannot set the GLOBALS-array from outside the script.');
 189 if (!get_magic_quotes_gpc())    {
 190         t3lib_div::addSlashesOnArray($HTTP_GET_VARS);
 191         t3lib_div::addSlashesOnArray($HTTP_POST_VARS);
 192 }
 193
 194
 195 // ********************************************
 196 // Check if the install script should be run:
 197 // ********************************************
 198 if (defined('TYPO3_enterInstallScript') && TYPO3_enterInstallScript)    {
 199         require_once (PATH_t3lib.'class.t3lib_install.php');
 200         require_once (PATH_t3lib.'class.t3lib_stdgraphic.php');
 201         $install_check = t3lib_div::makeInstance('t3lib_install');
 202         $install_check->allowUpdateLocalConf=1;
 203         $install_check->init();
 204         exit;
 205 }
 206
 207
 208 // *************************
 209 // Connect to the database
 210 // *************************
 211 if (@mysql_pconnect(TYPO3_db_host, TYPO3_db_username, TYPO3_db_password))       {
 212         if (!TYPO3_db)  {
 213                 t3lib_BEfunc::typo3PrintError ('No database selected','Database Error');
 214                 exit;
 215         } elseif (!mysql_select_db(TYPO3_db))   {
 216                 t3lib_BEfunc::typo3PrintError ('Cannot connect to the current database, "'.TYPO3_db.'"','Database Error');
 217                 exit;
 218         }
 219 } else {
 220         t3lib_BEfunc::typo3PrintError ('The current username, password or host was not accepted when the connection to the database was attempted to be established!','Database Error');
 221         exit;
 222 }
 223
 224
 225 // *******************************
 226 // Checks for proper browser
 227 // *******************************
 228 if (!$CLIENT['BROWSER'])        {
 229         t3lib_BEfunc::typo3PrintError ('Browser error','You must use 4+ browsers with TYPO3!',0);
 230         exit;
 231 }
 232
 233
 234 // ****************************************************
 235 // Include tables customization (tables + ext_tables)
 236 // ****************************************************
 237 include (TYPO3_tables_script ? PATH_typo3conf.TYPO3_tables_script : PATH_t3lib.'stddb/tables.php');
 238         // Extension additions
 239 if ($TYPO3_LOADED_EXT['_CACHEFILE'])    {
 240         include (PATH_typo3conf.$TYPO3_LOADED_EXT['_CACHEFILE'].'_ext_tables.php');
 241 } else {
 242         include (PATH_t3lib.'stddb/load_ext_tables.php');
 243 }
 244         // extScript
 245 if (TYPO3_extTableDef_script)   {
 246         include (PATH_typo3conf.TYPO3_extTableDef_script);
 247 }
 248
 249 // *******************************
 250 // BackEnd User authentication
 251 // *******************************
 252 /*
 253         NOTICE:
 254         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!
 255 */
 256 $BE_USER = t3lib_div::makeInstance('t3lib_beUserAuth'); // New backend user object
 257 $BE_USER->warningEmail = $TYPO3_CONF_VARS['BE']['warning_email_addr'];
 258 $BE_USER->OS = TYPO3_OS;
 259 $BE_USER->start();                      // Object is initialized
 260 $BE_USER->backendCheckLogin();  // Checking if there's a user logged in and if so, call the
 261 $BE_USER->trackBeUser($TYPO3_CONF_VARS['BE']['trackBeUser']);   // Tracking backend user script hits
 262
 263         // Setting the web- and filemount global vars:
 264 $WEBMOUNTS = $BE_USER->returnWebmounts();
 265 $FILEMOUNTS = $BE_USER->returnFilemounts();
 266
 267 // ****************
 268 // compression
 269 // ****************
 270 if ($TYPO3_CONF_VARS['BE']['compressionLevel']) {
 271         ob_start();
 272         require_once (PATH_t3lib.'class.gzip_encode.php');
 273 }
 274 ?>