Add note that config_override should probably be removed pending previous noted fix
[squirrelmail.git] / include / init.php
CommitLineData
202bcbcc 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
202bcbcc 14/**
15 * This is a development version so in order to track programmer mistakes we
16 * set the error reporting to E_ALL
17 */
202bcbcc 18error_reporting(E_ALL);
19
20
21/**
c7ebdfcf 22 * Make sure we have a page name
23 *
24 */
25if ( !defined('PAGE_NAME') ) define('PAGE_NAME', NULL);
26
27
28/**
6a2a6e44 29 * If register_globals are on, unregister globals.
a3b99374 30 * Second test covers boolean set as string (php_value register_globals off).
6a2a6e44 31 */
55dd9abf 32if ((bool) ini_get('register_globals') &&
a3b99374 33 strtolower(ini_get('register_globals'))!='off') {
6a2a6e44 34 /**
55dd9abf 35 * Remove all globals that are not reserved by PHP
36 * 'value' and 'key' are used by foreach. Don't unset them inside foreach.
6a2a6e44 37 */
55dd9abf 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;
55dd9abf 59 default:
60 unset($GLOBALS[$key]);
61 }
6a2a6e44 62 }
55dd9abf 63 // Unset variables used in foreach
64 unset($GLOBALS['key']);
65 unset($GLOBALS['value']);
6a2a6e44 66}
67
71efd1ed 68/**
d849b570 69 * Used as a dummy value, e.g., for passing as an empty
e39d00e9 70 * hook argument (where the value is passed by reference,
71 * and therefore NULL itself is not acceptable).
d849b570 72 */
086ad092 73global $null;
d849b570 74$null = NULL;
75
76/**
71efd1ed 77 * [#1518885] session.use_cookies = off breaks SquirrelMail
78 *
086ad092 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
71efd1ed 81 * before session is started.
82 */
83if (!(bool)ini_get('session.use_cookies') ||
84 ini_get('session.use_cookies') == 'off') {
85 ini_set('session.use_cookies','1');
86}
6a2a6e44 87
3f081dd0 88
6a2a6e44 89/**
202bcbcc 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 */
95if (isset($_SERVER['SCRIPT_NAME'])) {
3f081dd0 96 $a = explode('/', $_SERVER['SCRIPT_NAME']);
202bcbcc 97} elseif (isset($HTTP_SERVER_VARS['SCRIPT_NAME'])) {
3f081dd0 98 $a = explode('/', $HTTP_SERVER_VARS['SCRIPT_NAME']);
b0829edf 99} else {
3f081dd0 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.';
b0829edf 103 die($error);
202bcbcc 104}
105$sSM_PATH = '';
3f081dd0 106for($i = count($a) -2; $i > -1; --$i) {
202bcbcc 107 $sSM_PATH .= '../';
108 if ($a[$i] === 'src' || $a[$i] === 'plugins') {
109 break;
110 }
111}
112
3f081dd0 113$base_uri = implode('/', array_slice($a, 0, $i)). '/';
202bcbcc 114
202bcbcc 115define('SM_PATH',$sSM_PATH);
6a2a6e44 116define('SM_BASE_URI', $base_uri);
3f081dd0 117
118
202bcbcc 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
8e1e2794 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
202bcbcc 151require(SM_PATH . 'functions/global.php');
4ffcf13a 152require(SM_PATH . 'functions/strings.php');
918fcc1d 153require(SM_PATH . 'functions/arrays.php');
5e68a08e 154
155/* load default configuration */
156require(SM_PATH . 'config/config_default.php');
157/* reset arrays in default configuration */
158$ldap_server = array();
159$plugins = array();
160$fontsets = array();
5e68a08e 161$aTemplateSet = array();
28294310 162$aTemplateSet[0]['ID'] = 'default';
163$aTemplateSet[0]['NAME'] = 'Default';
01fd1d1a 164
5e68a08e 165/* load site configuration */
202bcbcc 166require(SM_PATH . 'config/config.php');
5e68a08e 167/* load local configuration overrides */
168if (file_exists(SM_PATH . 'config/config_local.php')) {
169 require(SM_PATH . 'config/config_local.php');
170}
171
202bcbcc 172require(SM_PATH . 'functions/plugin.php');
173require(SM_PATH . 'include/constants.php');
174require(SM_PATH . 'include/languages.php');
42b5e8aa 175require(SM_PATH . 'class/template/Template.class.php');
5ab684a5 176require(SM_PATH . 'class/error.class.php');
202bcbcc 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 */
184ini_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 */
189if (get_magic_quotes_gpc()) {
190 sqstripslashes($_GET);
191 sqstripslashes($_POST);
192}
193
202bcbcc 194
195/* strip any tags added to the url from PHP_SELF.
196This 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$PHP_SELF = php_self();
201
202/**
203 * Initialize the session
204 */
205
e8c4e350 206/** set the name of the session cookie */
207if (!isset($session_name) || !$session_name) {
208 $session_name = 'SQMSESSID';
209}
210
211/**
319ad3c0 212 * When session.auto_start is On we want to destroy/close the session
1d537493 213 */
214$sSessionAutostartName = session_name();
bf6140e3 215$sCookiePath = null;
319ad3c0 216if (isset($sSessionAutostartName) && $sSessionAutostartName !== $session_name) {
1d537493 217 $sCookiePath = ini_get('session.cookie_path');
218 $sCookieDomain = ini_get('session.cookie_domain');
e8c4e350 219 // reset the cookie
1d537493 220 setcookie($sSessionAutostartName,'',time() - 604800,$sCookiePath,$sCookieDomain);
e8c4e350 221 @session_destroy();
222 session_write_close();
1d537493 223}
e8c4e350 224
202bcbcc 225/**
226 * includes from classes stored in the session
227 */
228require(SM_PATH . 'class/mime.class.php');
229
202bcbcc 230ini_set('session.name' , $session_name);
231session_set_cookie_params (0, $base_uri);
232sqsession_is_active();
233
202bcbcc 234/**
319ad3c0 235 * When on login page, have to reset the user session, making
236 * sure to save session restore data first
237 */
238if (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 $_SESSION = array();
253
254 sqsession_is_active();
255 session_regenerate_id();
ef33def6 256
257 // put session restore data back into session if necessary
258 if (!empty($sel)) {
259 sqsession_register($sel, 'session_expired_location');
260 if (!empty($sep))
261 sqsession_register($sep, 'session_expired_post');
262 }
319ad3c0 263}
264
265/**
5aed95be 266 * SquirrelMail internal version number -- DO NOT CHANGE
267 * $sm_internal_version = array (release, major, minor)
268 */
a895042a 269$SQM_INTERNAL_VERSION = explode('.', SM_VERSION, 3);
b37e457f 270$SQM_INTERNAL_VERSION[2] = intval($SQM_INTERNAL_VERSION[2]);
5aed95be 271
93d67e0d 272
6d5775db 273/* load prefs system; even when user not logged in, should be OK to do this here */
274require(SM_PATH . 'functions/prefs.php');
275
d43a862e 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.... Also, note that this code would then be placed immediately next to the config_override hook, and since it makes little sense to execute two hooks in a row, I will propose removing config_override (although sadly, it is less clear to plugin authors that they should use the prefs_backend hook to do any configuration override work in their plugin)
6d5775db 277$prefs_backend = do_hook('prefs_backend', $null);
278if (isset($prefs_backend) && !empty($prefs_backend) && file_exists(SM_PATH . $prefs_backend)) {
279 require(SM_PATH . $prefs_backend);
280} elseif (isset($prefs_dsn) && !empty($prefs_dsn)) {
281 require(SM_PATH . 'functions/db_prefs.php');
282} else {
283 require(SM_PATH . 'functions/file_prefs.php');
284}
285
286
086ad092 287/* if plugins are disabled only for one user and
93d67e0d 288 * the current user is NOT that user, turn them
289 * back on
290 */
291sqgetGlobalVar('username',$username,SQ_SESSION);
292if ($disable_plugins && !empty($disable_plugins_user)
293 && $username != $disable_plugins_user) {
294 $disable_plugins = false;
295}
296
297/* remove all plugins if they are disabled */
298if ($disable_plugins) {
299 $plugins = array();
300}
301
302
5aed95be 303/**
304 * Include Compatibility plugin if available.
305 */
93d67e0d 306if (!$disable_plugins && file_exists(SM_PATH . 'plugins/compatibility/functions.php'))
5aed95be 307 include_once(SM_PATH . 'plugins/compatibility/functions.php');
308
309/**
310 * MAIN PLUGIN LOADING CODE HERE
086ad092 311 * On init, we no longer need to load all plugin setup files.
5aed95be 312 * Now, we load the statically generated hook registrations here
313 * and let the hook calls include only the plugins needed.
314 */
315$squirrelmail_plugin_hooks = array();
93d67e0d 316if (!$disable_plugins && file_exists(SM_PATH . 'config/plugin_hooks.php')) {
5aed95be 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 */
d849b570 324do_hook('config_override', $null);
5aed95be 325
326/**
3464e1f4 327 * DISABLED.
202bcbcc 328 * Remove globalized session data in rg=on setups
086ad092 329 *
3464e1f4 330 * Code can be utilized when session is started, but data is not loaded.
086ad092 331 * We have already loaded configuration and other important vars. Can't
3464e1f4 332 * clean session globals here.
333if ((bool) @ini_get('register_globals') &&
334 strtolower(ini_get('register_globals'))!='off') {
202bcbcc 335 foreach ($_SESSION as $key => $value) {
336 unset($GLOBALS[$key]);
337 }
338}
3464e1f4 339*/
6a2a6e44 340
826ddd72 341sqsession_register(SM_BASE_URI,'base_uri');
6a2a6e44 342
202bcbcc 343/**
344 * Retrieve the language cookie
345 */
346if (! sqgetGlobalVar('squirrelmail_language',$squirrelmail_language,SQ_COOKIE)) {
347 $squirrelmail_language = '';
348}
349
bf3abdc3 350
202bcbcc 351/**
9e06a3ea 352 * Do something special for some pages. This is based on the PAGE_NAME constand
353 * set at the top of every page.
202bcbcc 354 */
9e06a3ea 355switch (PAGE_NAME) {
086ad092 356 case 'style':
c4e5f61f 357
2b26084f 358 // need to get the right template set up
28294310 359 //
360 sqGetGlobalVar('templateid', $templateid, SQ_GET);
c4e5f61f 361
2b26084f 362 // sanitize just in case...
28294310 363 //
364 $templateid = preg_replace('/(\.\.\/){1,}/', '', $templateid);
365
366 // make sure given template actually is available
367 //
28294310 368 $found_templateset = false;
369 for ($i = 0; $i < count($aTemplateSet); ++$i) {
370 if ($aTemplateSet[$i]['ID'] == $templateid) {
371 $found_templateset = true;
372 break;
373 }
374 }
c4e5f61f 375
be155e14 376// FIXME: do we need/want to check here for actual (physical) presence of template sets?
28294310 377 // selected template not available, fall back to default template
378 //
379 if (!$found_templateset) {
42b5e8aa 380 $sTemplateID = Template::get_default_template_set();
28294310 381 } else {
382 $sTemplateID = $templateid;
c4e5f61f 383 }
384
2b26084f 385 session_write_close();
c4e5f61f 386 break;
387
202bcbcc 388 case 'redirect':
2e616fa4 389 require(SM_PATH . 'functions/auth.php');
202bcbcc 390 //nobreak;
bf3abdc3 391
202bcbcc 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');
42b5e8aa 396
397 // reset template file cache
398 //
399 $sTemplateID = Template::get_default_template_set();
400 Template::cache_template_file_hierarchy(TRUE);
401
1d537493 402 /**
01fd1d1a 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) : $icon_theme);
412
413 /**
1d537493 414 * cleanup old cookies with a cookie path the same as the standard php.ini
415 * cookie path. All previous SquirrelMail version used the standard php.ini
416 * cookie path for storing the session name. That behaviour changed.
417 */
418 if ($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') !== $sSessionAutostartName) {
30a428c6 424 // This does not work. Sometimes the cookie with SQSESSID=deleted and path /
425 // is picked up in webmail.php => login will fail
426 //sqsetcookie(ini_get('session.name'),'',0,$sCookiePath);
1d537493 427 }
428 }
202bcbcc 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');
202bcbcc 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') ) {
f8eb968d 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
202bcbcc 450 // First we store some information in the new session to prevent
451 // information-loss.
452 //
453 $session_expired_post = $_POST;
f8e68605 454 $session_expired_location = PAGE_NAME;
202bcbcc 455 if (!sqsession_is_registered('session_expired_post')) {
456 sqsession_register($session_expired_post,'session_expired_post');
457 }
458 if (!sqsession_is_registered('session_expired_location')) {
459 sqsession_register($session_expired_location,'session_expired_location');
f8e68605 460 if ($session_expired_location == 'compose')
f8eb968d 461 $message = 1;
202bcbcc 462 }
463 // signout page will deal with users who aren't logged
464 // in on its own; don't show error here
465 //
9e06a3ea 466 if ( PAGE_NAME == 'signout' ) {
a140422a 467 return;
202bcbcc 468 }
469
8efadc6b 470 /**
471 * Initialize the template object (logout_error uses it)
472 */
8efadc6b 473 /*
086ad092 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
28294310 476 * are net set, force a default value.
8efadc6b 477 */
42b5e8aa 478 $sTemplateID = Template::get_default_template_set();
28294310 479 $oTemplate = Template::construct_template($sTemplateID);
8efadc6b 480
202bcbcc 481 set_up_language($squirrelmail_language, true);
f8eb968d 482 if (!$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.") );
202bcbcc 486 exit;
487 }
488
93d67e0d 489//FIXME: remove next line if the placement of the copy of this line above does not prove to be problematic
202bcbcc 490 sqgetGlobalVar('username',$username,SQ_SESSION);
79524620 491 sqgetGlobalVar('authz',$authz,SQ_SESSION);
202bcbcc 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
202bcbcc 506 /**
507 * initializing user settings
508 */
509 require(SM_PATH . 'include/load_prefs.php');
510
202bcbcc 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, $username, 'language'));
202bcbcc 529
530 // Japanese translation used without mbstring support
531 if ($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=".$realTimeZone);
569 }
570 }
867fed37 571
572 /**
573 * php 5.1.0 added time zone functions. Set time zone with them in order
574 * to prevent E_STRICT notices and allow time zone modifications in safe_mode.
575 */
576 if (function_exists('date_default_timezone_set')) {
577 if ($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 $default_timezone = @date_default_timezone_get();
086ad092 582 date_default_timezone_set($default_timezone);
867fed37 583 }
584 }
202bcbcc 585 break;
586}
587
202bcbcc 588/*
086ad092 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
28294310 591 * are not set, force a default value.
086ad092 592 *
593 * If the user is logged in, $sTemplateID will be set in load_prefs.php,
28294310 594 * so we shouldn't change it here.
202bcbcc 595 */
28294310 596if (!isset($sTemplateID)) {
42b5e8aa 597 $sTemplateID = Template::get_default_template_set();
28294310 598 $icon_theme_path = !$use_icons ? NULL : Template::calculate_template_images_directory($sTemplateID);
3aa46abc 599}
be155e14 600
601// template object may have already been constructed in load_prefs.php
602//
603if (empty($oTemplate)) {
604 $oTemplate = Template::construct_template($sTemplateID);
605}
202bcbcc 606
7aae649d 607// We want some variables to always be available to the template
e39d00e9 608$oTemplate->assign('javascript_on',
609 (sqGetGlobalVar('user_is_logged_in', $user_is_logged_in, SQ_SESSION)
610 ? checkForJavascript() : 0));
fe8103c2 611$oTemplate->assign('base_uri', sqm_baseuri());
457e8593 612$always_include = array('sTemplateID', 'icon_theme_path');
7aae649d 613foreach ($always_include as $var) {
614 $oTemplate->assign($var, (isset($$var) ? $$var : NULL));
615}
616
202bcbcc 617/**
618 * Initialize our custom error handler object
619 */
202bcbcc 620$oErrorHandler = new ErrorHandler($oTemplate,'error_message.tpl');
621
622/**
623 * Activate custom error handling
624 */
625if (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 $reset recheck javascript support if set to true.
867fed37 634 * @return integer SMPREF_JS_ON or SMPREF_JS_OFF ({@see include/constants.php})
202bcbcc 635 * @since 1.5.1
636 */
202bcbcc 637function checkForJavascript($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
e39d00e9 643 $user_is_logged_in = FALSE;
bf3abdc3 644 if ( $reset || !isset($javascript_setting) )
202bcbcc 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
660function sqm_baseuri() {
661 global $base_uri;
662 return $base_uri;
8e1e2794 663}