include/init.php

   1 <?php
   2
   3 /**
   4  * init.php -- initialisation file
   5  *
   6  * File should be loaded in every file in src/ or plugins that occupate an entire frame
   7  *
   8  * @copyright &copy; 2006 The SquirrelMail Project Team
   9  * @license http://opensource.org/licenses/gpl-license.php GNU Public License
  10  * @version $Id$
  11  * @package squirrelmail
  12  */
  13
  14 /**
  15  * This is a development version so in order to track programmer mistakes we
  16  * set the error reporting to E_ALL
  17  */
  18 error_reporting(E_ALL);
  19
  20
  21 /**
  22  * Make sure we have a page name
  23  *
  24  */
  25 if ( !defined('PAGE_NAME') ) define('PAGE_NAME', NULL);
  26
  27
  28 /**
  29  * If register_globals are on, unregister globals.
  30  * Second test covers boolean set as string (php_value register_globals off).
  31  */
  32 if ((bool) ini_get('register_globals') &&
  33     strtolower(ini_get('register_globals'))!='off') {
  34     /**
  35      * Remove all globals that are not reserved by PHP
  36      * 'value' and 'key' are used by foreach. Don't unset them inside foreach.
  37      */
  38     foreach ($GLOBALS as $key => $value) {
  39         switch($key) {
  40         case 'HTTP_POST_VARS':
  41         case '_POST':
  42         case 'HTTP_GET_VARS':
  43         case '_GET':
  44         case 'HTTP_COOKIE_VARS':
  45         case '_COOKIE':
  46         case 'HTTP_SERVER_VARS':
  47         case '_SERVER':
  48         case 'HTTP_ENV_VARS':
  49         case '_ENV':
  50         case 'HTTP_POST_FILES':
  51         case '_FILES':
  52         case '_REQUEST':
  53         case 'HTTP_SESSION_VARS':
  54         case '_SESSION':
  55         case 'GLOBALS':
  56         case 'key':
  57         case 'value':
  58             break;
  59         default:
  60             unset($GLOBALS[$key]);
  61         }
  62     }
  63     // Unset variables used in foreach
  64     unset($GLOBALS['key']);
  65     unset($GLOBALS['value']);
  66 }
  67
  68 /**
  69  * Used as a dummy value, e.g., for passing as an empty
  70  * hook argument (where the value is passed by reference,
  71  * and therefore NULL itself is not acceptable).
  72  */
  73 global $null;
  74 $null = NULL;
  75
  76 /**
  77  * [#1518885] session.use_cookies = off breaks SquirrelMail
  78  *
  79  * When session cookies are not used, all http redirects, meta refreshes,
  80  * src/download.php and javascript URLs are broken. Setting must be set
  81  * before session is started.
  82  */
  83 if (!(bool)ini_get('session.use_cookies') ||
  84     ini_get('session.use_cookies') == 'off') {
  85     ini_set('session.use_cookies','1');
  86 }
  87
  88
  89 /**
  90  * calculate SM_PATH and calculate the base_uri
  91  * assumptions made: init.php is only called from plugins or from the src dir.
  92  * files in the plugin directory may not be part of a subdirectory called "src"
  93  *
  94  */
  95 if (isset($_SERVER['SCRIPT_NAME'])) {
  96     $a = explode('/', $_SERVER['SCRIPT_NAME']);
  97 } elseif (isset($HTTP_SERVER_VARS['SCRIPT_NAME'])) {
  98     $a = explode('/', $HTTP_SERVER_VARS['SCRIPT_NAME']);
  99 } else {
 100     $error = 'Unable to detect script environment. Please test your PHP '
 101            . 'settings and send your PHP core configuration, $_SERVER and '
 102            . '$HTTP_SERVER_VARS contents to the SquirrelMail developers.';
 103     die($error);
 104 }
 105 $sSM_PATH = '';
 106 for($i = count($a) -2; $i > -1; --$i) {
 107     $sSM_PATH .= '../';
 108     if ($a[$i] === 'src' || $a[$i] === 'plugins') {
 109         break;
 110     }
 111 }
 112
 113 $base_uri = implode('/', array_slice($a, 0, $i)). '/';
 114
 115 define('SM_PATH',$sSM_PATH);
 116 define('SM_BASE_URI', $base_uri);
 117
 118
 119 /**
 120  * global var $bInit is used to check if initialisation took place.
 121  * At this moment it's a workarounf for the include of addrbook_search_html
 122  * inside compose.php. If we found a better way then remove this. Do only use
 123  * this var if you know for sure a page can be called stand alone and be included
 124  * in another file.
 125  */
 126 $bInit = true;
 127
 128 /**
 129  * This theme as a failsafe if no themes were found, or if we error
 130  * out before anything could be initialised.
 131  */
 132 $color = array();
 133 $color[0]  = '#DCDCDC';  /* light gray    TitleBar               */
 134 $color[1]  = '#800000';  /* red                                  */
 135 $color[2]  = '#CC0000';  /* light red     Warning/Error Messages */
 136 $color[3]  = '#A0B8C8';  /* green-blue    Left Bar Background    */
 137 $color[4]  = '#FFFFFF';  /* white         Normal Background      */
 138 $color[5]  = '#FFFFCC';  /* light yellow  Table Headers          */
 139 $color[6]  = '#000000';  /* black         Text on left bar       */
 140 $color[7]  = '#0000CC';  /* blue          Links                  */
 141 $color[8]  = '#000000';  /* black         Normal text            */
 142 $color[9]  = '#ABABAB';  /* mid-gray      Darker version of #0   */
 143 $color[10] = '#666666';  /* dark gray     Darker version of #9   */
 144 $color[11] = '#770000';  /* dark red      Special Folders color  */
 145 $color[12] = '#EDEDED';
 146 $color[13] = '#800000';  /* (dark red)    Color for quoted text -- > 1 quote */
 147 $color[14] = '#ff0000';  /* (red)         Color for quoted text -- >> 2 or more */
 148 $color[15] = '#002266';  /* (dark blue)   Unselectable folders */
 149 $color[16] = '#ff9933';  /* (orange)      Highlight color */
 150
 151 require(SM_PATH . 'functions/global.php');
 152 require(SM_PATH . 'functions/strings.php');
 153 require(SM_PATH . 'functions/arrays.php');
 154
 155 /* load default configuration */
 156 require(SM_PATH . 'config/config_default.php');
 157 /* reset arrays in default configuration */
 158 $ldap_server = array();
 159 $plugins = array();
 160 $fontsets = array();
 161 $aTemplateSet = array();
 162 $aTemplateSet[0]['ID'] = 'default';
 163 $aTemplateSet[0]['NAME'] = 'Default';
 164
 165 /* load site configuration */
 166 require(SM_PATH . 'config/config.php');
 167 /* load local configuration overrides */
 168 if (file_exists(SM_PATH . 'config/config_local.php')) {
 169     require(SM_PATH . 'config/config_local.php');
 170 }
 171
 172 require(SM_PATH . 'functions/plugin.php');
 173 require(SM_PATH . 'include/constants.php');
 174 require(SM_PATH . 'include/languages.php');
 175 require(SM_PATH . 'class/template/Template.class.php');
 176 require(SM_PATH . 'class/error.class.php');
 177
 178 /**
 179  * If magic_quotes_runtime is on, SquirrelMail breaks in new and creative ways.
 180  * Force magic_quotes_runtime off.
 181  * tassium@squirrelmail.org - I put it here in the hopes that all SM code includes this.
 182  * If there's a better place, please let me know.
 183  */
 184 ini_set('magic_quotes_runtime','0');
 185
 186
 187 /* if running with magic_quotes_gpc then strip the slashes
 188    from POST and GET global arrays */
 189 if (get_magic_quotes_gpc()) {
 190     sqstripslashes($_GET);
 191     sqstripslashes($_POST);
 192 }
 193
 194
 195 /* strip any tags added to the url from PHP_SELF.
 196 This fixes hand crafted url XXS expoits for any
 197    page that uses PHP_SELF as the FORM action */
 198 $_SERVER['PHP_SELF'] = strip_tags($_SERVER['PHP_SELF']);
 199
 200 $PHP_SELF = php_self();
 201
 202 /**
 203  * Initialize the session
 204  */
 205
 206 /** set the name of the session cookie */
 207 if (!isset($session_name) || !$session_name) {
 208     $session_name = 'SQMSESSID';
 209 }
 210
 211 /**
 212  * When session.auto_start is On we want to destroy/close the session
 213  */
 214 $sSessionAutostartName = session_name();
 215 $sCookiePath = null;
 216 if (isset($sSessionAutostartName) && $sSessionAutostartName !== $session_name) {
 217     $sCookiePath = ini_get('session.cookie_path');
 218     $sCookieDomain = ini_get('session.cookie_domain');
 219     // reset the cookie
 220     setcookie($sSessionAutostartName,'',time() - 604800,$sCookiePath,$sCookieDomain);
 221     @session_destroy();
 222     session_write_close();
 223 }
 224
 225 /**
 226  * includes from classes stored in the session
 227  */
 228 require(SM_PATH . 'class/mime.class.php');
 229
 230 ini_set('session.name' , $session_name);
 231 session_set_cookie_params (0, $base_uri);
 232 sqsession_is_active();
 233
 234 /**
 235  * When on login page, have to reset the user session, making
 236  * sure to save session restore data first
 237  */
 238 if (PAGE_NAME == 'login') {
 239     if (!sqGetGlobalVar('session_expired_post', $sep, SQ_SESSION))
 240         $sep = '';
 241     if (!sqGetGlobalVar('session_expired_location', $sel, SQ_SESSION))
 242         $sel = '';
 243     sqsession_destroy();
 244     session_write_close();
 245
 246     /**
 247      * in some rare instances, the session seems to stick
 248      * around even after destroying it (!!), so if it does,
 249      * we'll manually flatten the $_SESSION data
 250      */
 251     if (!empty($_SESSION))
 252         $_SESSION = array();
 253
 254     sqsession_is_active();
 255     session_regenerate_id();
 256
 257     // put session restore data back into session if necessary
 258     if (!empty($sel)) {
 259         sqsession_register($sel, 'session_expired_location');
 260         if (!empty($sep))
 261             sqsession_register($sep, 'session_expired_post');
 262     }
 263 }
 264
 265 /**
 266  * SquirrelMail internal version number -- DO NOT CHANGE
 267  * $sm_internal_version = array (release, major, minor)
 268  */
 269 $SQM_INTERNAL_VERSION = explode('.', SM_VERSION, 3);
 270 $SQM_INTERNAL_VERSION[2] = intval($SQM_INTERNAL_VERSION[2]);
 271
 272
 273 /* load prefs system; even when user not logged in, should be OK to do this here */
 274 require(SM_PATH . 'functions/prefs.php');
 275
 276 // FIXME: config/plugin_hooks.php has not yet been loaded (see a few lines below); so this hook call should I think not be working -- has anyone actually tested it?  Is there any reason we cannot move this prefs code block down below "MAIN PLUGIN LOADING CODE HERE" (see below)?  Reading the code, I *think* it should be OK, but....
 277 $prefs_backend = do_hook('prefs_backend', $null);
 278 if (isset($prefs_backend) && !empty($prefs_backend) && file_exists(SM_PATH . $prefs_backend)) {
 279     require(SM_PATH . $prefs_backend);
 280 } elseif (isset($prefs_dsn) && !empty($prefs_dsn)) {
 281     require(SM_PATH . 'functions/db_prefs.php');
 282 } else {
 283     require(SM_PATH . 'functions/file_prefs.php');
 284 }
 285
 286
 287 /* if plugins are disabled only for one user and
 288  * the current user is NOT that user, turn them
 289  * back on
 290  */
 291 sqgetGlobalVar('username',$username,SQ_SESSION);
 292 if ($disable_plugins && !empty($disable_plugins_user)
 293  && $username != $disable_plugins_user) {
 294     $disable_plugins = false;
 295 }
 296
 297 /* remove all plugins if they are disabled */
 298 if ($disable_plugins) {
 299    $plugins = array();
 300 }
 301
 302
 303 /**
 304  * Include Compatibility plugin if available.
 305  */
 306 if (!$disable_plugins && file_exists(SM_PATH . 'plugins/compatibility/functions.php'))
 307     include_once(SM_PATH . 'plugins/compatibility/functions.php');
 308
 309 /**
 310  * MAIN PLUGIN LOADING CODE HERE
 311  * On init, we no longer need to load all plugin setup files.
 312  * Now, we load the statically generated hook registrations here
 313  * and let the hook calls include only the plugins needed.
 314  */
 315 $squirrelmail_plugin_hooks = array();
 316 if (!$disable_plugins && file_exists(SM_PATH . 'config/plugin_hooks.php')) {
 317     require(SM_PATH . 'config/plugin_hooks.php');
 318 }
 319
 320 /**
 321  * allow plugins to override main configuration; hook is placed
 322  * here to allow plugins to use session information to do their work
 323  */
 324 do_hook('config_override', $null);
 325
 326 /**
 327  * DISABLED.
 328  * Remove globalized session data in rg=on setups
 329  *
 330  * Code can be utilized when session is started, but data is not loaded.
 331  * We have already loaded configuration and other important vars. Can't
 332  * clean session globals here.
 333 if ((bool) @ini_get('register_globals') &&
 334     strtolower(ini_get('register_globals'))!='off') {
 335     foreach ($_SESSION as $key => $value) {
 336         unset($GLOBALS[$key]);
 337     }
 338 }
 339 */
 340
 341 sqsession_register(SM_BASE_URI,'base_uri');
 342
 343 /**
 344  * Retrieve the language cookie
 345  */
 346 if (! sqgetGlobalVar('squirrelmail_language',$squirrelmail_language,SQ_COOKIE)) {
 347     $squirrelmail_language = '';
 348 }
 349
 350
 351 /**
 352  * Do something special for some pages. This is based on the PAGE_NAME constand
 353  * set at the top of every page.
 354  */
 355 switch (PAGE_NAME) {
 356     case 'style':
 357
 358         // need to get the right template set up
 359         //
 360         sqGetGlobalVar('templateid', $templateid, SQ_GET);
 361
 362         // sanitize just in case...
 363         //
 364         $templateid = preg_replace('/(\.\.\/){1,}/', '', $templateid);
 365
 366         // make sure given template actually is available
 367         //
 368         $found_templateset = false;
 369         for ($i = 0; $i < count($aTemplateSet); ++$i) {
 370             if ($aTemplateSet[$i]['ID'] == $templateid) {
 371                 $found_templateset = true;
 372                 break;
 373             }
 374         }
 375
 376 // FIXME: do we need/want to check here for actual (physical) presence of template sets?
 377         // selected template not available, fall back to default template
 378         //
 379         if (!$found_templateset) {
 380             $sTemplateID = Template::get_default_template_set();
 381         } else {
 382             $sTemplateID = $templateid;
 383         }
 384
 385         session_write_close();
 386         break;
 387
 388     case 'redirect':
 389         require(SM_PATH . 'functions/auth.php');
 390         //nobreak;
 391
 392     case 'login':
 393         require(SM_PATH . 'functions/display_messages.php' );
 394         require(SM_PATH . 'functions/page_header.php');
 395         require(SM_PATH . 'functions/html.php');
 396
 397         // reset template file cache
 398         //
 399         $sTemplateID = Template::get_default_template_set();
 400         Template::cache_template_file_hierarchy(TRUE);
 401
 402         /**
 403          * Make sure icon variables are setup for the login page.
 404          */
 405         $icon_theme = $icon_themes[$icon_theme_def]['PATH'];
 406         /*
 407          * NOTE: The $icon_theme_path var should contain the path to the icon
 408          *       theme to use.  If the admin has disabled icons, or the user has
 409          *       set the icon theme to "None," no icons will be used.
 410          */
 411         $icon_theme_path = (!$use_icons || $icon_theme=='none') ? NULL : ($icon_theme == 'template' ? SM_PATH . Template::calculate_template_images_directory($sTemplateID) : $icon_theme);
 412
 413         /**
 414          * cleanup old cookies with a cookie path the same as the standard php.ini
 415          * cookie path. All previous SquirrelMail version used the standard php.ini
 416          * cookie path for storing the session name. That behaviour changed.
 417          */
 418         if ($sCookiePath !== SM_BASE_URI) {
 419             /**
 420              * do not delete the standard sessions with session.name is i.e. PHPSESSID
 421              * because they probably belong to other php apps
 422              */
 423             if (ini_get('session.name') !== $sSessionAutostartName) {
 424                 //  This does not work. Sometimes the cookie with SQSESSID=deleted and path /
 425                 // is picked up in webmail.php => login will fail
 426                 //sqsetcookie(ini_get('session.name'),'',0,$sCookiePath);
 427             }
 428         }
 429         break;
 430     default:
 431         require(SM_PATH . 'functions/display_messages.php' );
 432         require(SM_PATH . 'functions/page_header.php');
 433         require(SM_PATH . 'functions/html.php');
 434
 435
 436         /**
 437          * Check if we are logged in
 438          */
 439         require(SM_PATH . 'functions/auth.php');
 440
 441         if ( !sqsession_is_registered('user_is_logged_in') ) {
 442
 443             // use $message to indicate what logout text the user
 444             // will see... if 0, typical "You must be logged in"
 445             // if 1, information that the user session was saved
 446             // and will be resumed after (re)login
 447             //
 448             $message = 0;
 449
 450             //  First we store some information in the new session to prevent
 451             //  information-loss.
 452             //
 453             $session_expired_post = $_POST;
 454             $session_expired_location = PAGE_NAME;
 455             if (!sqsession_is_registered('session_expired_post')) {
 456                 sqsession_register($session_expired_post,'session_expired_post');
 457             }
 458             if (!sqsession_is_registered('session_expired_location')) {
 459                 sqsession_register($session_expired_location,'session_expired_location');
 460                 if ($session_expired_location == 'compose')
 461                     $message = 1;
 462             }
 463             // signout page will deal with users who aren't logged
 464             // in on its own; don't show error here
 465             //
 466             if ( PAGE_NAME == 'signout' ) {
 467                 return;
 468             }
 469
 470             /**
 471              * Initialize the template object (logout_error uses it)
 472              */
 473             /*
 474              * $sTemplateID is not initialized when a user is not logged in, so we
 475              * will use the config file defaults here.  If the neccesary variables
 476              * are net set, force a default value.
 477              */
 478             $sTemplateID = Template::get_default_template_set();
 479             $oTemplate = Template::construct_template($sTemplateID);
 480
 481             set_up_language($squirrelmail_language, true);
 482             if (!$message)
 483                 logout_error( _("You must be logged in to access this page.") );
 484             else
 485                 logout_error( _("Your session has expired, but will be resumed after logging in again.") );
 486             exit;
 487         }
 488
 489 //FIXME: remove next line if the placement of the copy of this line above does not prove to be problematic
 490         sqgetGlobalVar('username',$username,SQ_SESSION);
 491         sqgetGlobalVar('authz',$authz,SQ_SESSION);
 492
 493         /**
 494          * Setting the prefs backend
 495          */
 496         sqgetGlobalVar('prefs_cache', $prefs_cache, SQ_SESSION );
 497         sqgetGlobalVar('prefs_are_cached', $prefs_are_cached, SQ_SESSION );
 498
 499         if ( !sqsession_is_registered('prefs_are_cached') ||
 500             !isset( $prefs_cache) ||
 501             !is_array( $prefs_cache)) {
 502             $prefs_are_cached = false;
 503             $prefs_cache = false; //array();
 504         }
 505
 506         /**
 507          * initializing user settings
 508          */
 509         require(SM_PATH . 'include/load_prefs.php');
 510
 511 // i do not understand the frames language cookie story
 512         /**
 513          * We'll need this to later have a noframes version
 514          *
 515          * Check if the user has a language preference, but no cookie.
 516          * Send him a cookie with his language preference, if there is
 517          * such discrepancy.
 518          */
 519          $my_language = getPref($data_dir, $username, 'language');
 520          if ($my_language != $squirrelmail_language) {
 521              sqsetcookie('squirrelmail_language', $my_language, time()+2592000, $base_uri);
 522          }
 523 // /dont understand
 524
 525         /**
 526          * Set up the language.
 527          */
 528         $err=set_up_language(getPref($data_dir, $username, 'language'));
 529
 530         // Japanese translation used without mbstring support
 531         if ($err==2) {
 532             $sError =
 533                 "<p>You need to have PHP installed with the multibyte string function \n".
 534                 "enabled (using configure option --enable-mbstring).</p>\n".
 535                 "<p>System assumed that you accidently switched to Japanese translation \n".
 536                 "and reverted your language preference to English.</p>\n".
 537                 "<p>Please refresh this page in order to use webmail.</p>\n";
 538             error_box($sError);
 539         }
 540
 541         $timeZone = getPref($data_dir, $username, 'timezone');
 542
 543         /* Check to see if we are allowed to set the TZ environment variable.
 544          * We are able to do this if ...
 545          *   safe_mode is disabled OR
 546          *   safe_mode_allowed_env_vars is empty (you are allowed to set any) OR
 547          *   safe_mode_allowed_env_vars contains TZ
 548          */
 549         $tzChangeAllowed = (!ini_get('safe_mode')) ||
 550                             !strcmp(ini_get('safe_mode_allowed_env_vars'),'') ||
 551                             preg_match('/^([\w_]+,)*TZ/', ini_get('safe_mode_allowed_env_vars'));
 552
 553         if ( $timeZone != SMPREF_NONE && ($timeZone != "")
 554             && $tzChangeAllowed ) {
 555
 556             // get time zone key, if strict or custom strict timezones are used
 557             if (isset($time_zone_type) &&
 558                 ($time_zone_type == 1 || $time_zone_type == 3)) {
 559                 /* load time zone functions */
 560                 require(SM_PATH . 'include/timezones.php');
 561                 $realTimeZone = sq_get_tz_key($timeZone);
 562             } else {
 563                 $realTimeZone = $timeZone;
 564             }
 565
 566             // set time zone
 567             if ($realTimeZone) {
 568                 putenv("TZ=".$realTimeZone);
 569             }
 570         }
 571
 572         /**
 573          * php 5.1.0 added time zone functions. Set time zone with them in order
 574          * to prevent E_STRICT notices and allow time zone modifications in safe_mode.
 575          */
 576         if (function_exists('date_default_timezone_set')) {
 577             if ($timeZone != SMPREF_NONE && $timeZone != "") {
 578                 date_default_timezone_set($timeZone);
 579             } else {
 580                 // interface runs on server's time zone. Remove php E_STRICT complains
 581                 $default_timezone = @date_default_timezone_get();
 582                 date_default_timezone_set($default_timezone);
 583             }
 584         }
 585         break;
 586 }
 587
 588 /*
 589  * $sTemplateID is not initialized when a user is not logged in, so we
 590  * will use the config file defaults here.  If the neccesary variables
 591  * are not set, force a default value.
 592  *
 593  * If the user is logged in, $sTemplateID will be set in load_prefs.php,
 594  * so we shouldn't change it here.
 595  */
 596 if (!isset($sTemplateID)) {
 597     $sTemplateID = Template::get_default_template_set();
 598     $icon_theme_path = !$use_icons ? NULL : Template::calculate_template_images_directory($sTemplateID);
 599 }
 600
 601 // template object may have already been constructed in load_prefs.php
 602 //
 603 if (empty($oTemplate)) {
 604     $oTemplate = Template::construct_template($sTemplateID);
 605 }
 606
 607 // We want some variables to always be available to the template
 608 $oTemplate->assign('javascript_on',
 609     (sqGetGlobalVar('user_is_logged_in', $user_is_logged_in, SQ_SESSION)
 610      ?  checkForJavascript() : 0));
 611 $oTemplate->assign('base_uri', sqm_baseuri());
 612 $always_include = array('sTemplateID', 'icon_theme_path');
 613 foreach ($always_include as $var) {
 614     $oTemplate->assign($var, (isset($$var) ? $$var : NULL));
 615 }
 616
 617 /**
 618  * Initialize our custom error handler object
 619  */
 620 $oErrorHandler = new ErrorHandler($oTemplate,'error_message.tpl');
 621
 622 /**
 623  * Activate custom error handling
 624  */
 625 if (version_compare(PHP_VERSION, "4.3.0", ">=")) {
 626     $oldErrorHandler = set_error_handler(array($oErrorHandler, 'SquirrelMailErrorhandler'));
 627 } else {
 628     $oldErrorHandler = set_error_handler('SquirrelMailErrorhandler');
 629 }
 630
 631 /**
 632  * Javascript support detection function
 633  * @param boolean $reset recheck javascript support if set to true.
 634  * @return integer SMPREF_JS_ON or SMPREF_JS_OFF ({@see include/constants.php})
 635  * @since 1.5.1
 636  */
 637 function checkForJavascript($reset = FALSE) {
 638   global $data_dir, $username, $javascript_on, $javascript_setting;
 639
 640   if ( !$reset && sqGetGlobalVar('javascript_on', $javascript_on, SQ_SESSION) )
 641     return $javascript_on;
 642
 643   $user_is_logged_in = FALSE;
 644   if ( $reset || !isset($javascript_setting) )
 645     $javascript_setting = getPref($data_dir, $username, 'javascript_setting', SMPREF_JS_AUTODETECT);
 646
 647   if ( !sqGetGlobalVar('new_js_autodetect_results', $js_autodetect_results) &&
 648        !sqGetGlobalVar('js_autodetect_results', $js_autodetect_results) )
 649     $js_autodetect_results = SMPREF_JS_OFF;
 650
 651   if ( $javascript_setting == SMPREF_JS_AUTODETECT )
 652     $javascript_on = $js_autodetect_results;
 653   else
 654     $javascript_on = $javascript_setting;
 655
 656   sqsession_register($javascript_on, 'javascript_on');
 657   return $javascript_on;
 658 }
 659
 660 function sqm_baseuri() {
 661     global $base_uri;
 662     return $base_uri;
 663 }