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 © 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 |
18 | error_reporting(E_ALL); |
19 | |
20 | |
6a2a6e44 |
21 | /** |
22 | * If register_globals are on, unregister globals. |
a3b99374 |
23 | * Second test covers boolean set as string (php_value register_globals off). |
6a2a6e44 |
24 | */ |
55dd9abf |
25 | if ((bool) ini_get('register_globals') && |
a3b99374 |
26 | strtolower(ini_get('register_globals'))!='off') { |
6a2a6e44 |
27 | /** |
55dd9abf |
28 | * Remove all globals that are not reserved by PHP |
29 | * 'value' and 'key' are used by foreach. Don't unset them inside foreach. |
6a2a6e44 |
30 | */ |
55dd9abf |
31 | foreach ($GLOBALS as $key => $value) { |
32 | switch($key) { |
33 | case 'HTTP_POST_VARS': |
34 | case '_POST': |
35 | case 'HTTP_GET_VARS': |
36 | case '_GET': |
37 | case 'HTTP_COOKIE_VARS': |
38 | case '_COOKIE': |
39 | case 'HTTP_SERVER_VARS': |
40 | case '_SERVER': |
41 | case 'HTTP_ENV_VARS': |
42 | case '_ENV': |
43 | case 'HTTP_POST_FILES': |
44 | case '_FILES': |
45 | case '_REQUEST': |
46 | case 'HTTP_SESSION_VARS': |
47 | case '_SESSION': |
48 | case 'GLOBALS': |
49 | case 'key': |
50 | case 'value': |
51 | break; |
52 | case 'sInitLocation': |
53 | // FIXME: variable must be set only in src/login.php |
54 | break; |
55 | default: |
56 | unset($GLOBALS[$key]); |
57 | } |
6a2a6e44 |
58 | } |
55dd9abf |
59 | // Unset variables used in foreach |
60 | unset($GLOBALS['key']); |
61 | unset($GLOBALS['value']); |
6a2a6e44 |
62 | } |
63 | |
71efd1ed |
64 | /** |
65 | * [#1518885] session.use_cookies = off breaks SquirrelMail |
66 | * |
67 | * When session cookies are not used, all http redirects, meta refreshes, |
68 | * src/download.php and javascript URLs are broken. Setting must be set |
69 | * before session is started. |
70 | */ |
71 | if (!(bool)ini_get('session.use_cookies') || |
72 | ini_get('session.use_cookies') == 'off') { |
73 | ini_set('session.use_cookies','1'); |
74 | } |
6a2a6e44 |
75 | |
202bcbcc |
76 | /** |
77 | * calculate SM_PATH and calculate the base_uri |
78 | * assumptions made: init.php is only called from plugins or from the src dir. |
79 | * files in the plugin directory may not be part of a subdirectory called "src" |
80 | * |
81 | */ |
82 | if (isset($_SERVER['SCRIPT_NAME'])) { |
83 | $a = explode('/',$_SERVER['SCRIPT_NAME']); |
84 | } elseif (isset($HTTP_SERVER_VARS['SCRIPT_NAME'])) { |
b0829edf |
85 | $a = explode('/',$HTTP_SERVER_VARS['SCRIPT_NAME']); |
86 | } else { |
87 | $error = 'Unable to detect script environment. ' |
88 | .'Please test your PHP settings and send PHP core config, $_SERVER ' |
89 | .'and $HTTP_SERVER_VARS to SquirrelMail developers.'; |
90 | die($error); |
202bcbcc |
91 | } |
92 | $sSM_PATH = ''; |
93 | for($i = count($a) -2;$i > -1; --$i) { |
94 | $sSM_PATH .= '../'; |
95 | if ($a[$i] === 'src' || $a[$i] === 'plugins') { |
96 | break; |
97 | } |
98 | } |
99 | |
100 | $base_uri = implode('/',array_slice($a,0,$i)). '/'; |
101 | |
202bcbcc |
102 | define('SM_PATH',$sSM_PATH); |
6a2a6e44 |
103 | define('SM_BASE_URI', $base_uri); |
202bcbcc |
104 | /** |
105 | * global var $bInit is used to check if initialisation took place. |
106 | * At this moment it's a workarounf for the include of addrbook_search_html |
107 | * inside compose.php. If we found a better way then remove this. Do only use |
108 | * this var if you know for sure a page can be called stand alone and be included |
109 | * in another file. |
110 | */ |
111 | $bInit = true; |
112 | |
8e1e2794 |
113 | /** |
114 | * This theme as a failsafe if no themes were found, or if we error |
115 | * out before anything could be initialised. |
116 | */ |
117 | $color = array(); |
118 | $color[0] = '#DCDCDC'; /* light gray TitleBar */ |
119 | $color[1] = '#800000'; /* red */ |
120 | $color[2] = '#CC0000'; /* light red Warning/Error Messages */ |
121 | $color[3] = '#A0B8C8'; /* green-blue Left Bar Background */ |
122 | $color[4] = '#FFFFFF'; /* white Normal Background */ |
123 | $color[5] = '#FFFFCC'; /* light yellow Table Headers */ |
124 | $color[6] = '#000000'; /* black Text on left bar */ |
125 | $color[7] = '#0000CC'; /* blue Links */ |
126 | $color[8] = '#000000'; /* black Normal text */ |
127 | $color[9] = '#ABABAB'; /* mid-gray Darker version of #0 */ |
128 | $color[10] = '#666666'; /* dark gray Darker version of #9 */ |
129 | $color[11] = '#770000'; /* dark red Special Folders color */ |
130 | $color[12] = '#EDEDED'; |
131 | $color[13] = '#800000'; /* (dark red) Color for quoted text -- > 1 quote */ |
132 | $color[14] = '#ff0000'; /* (red) Color for quoted text -- >> 2 or more */ |
133 | $color[15] = '#002266'; /* (dark blue) Unselectable folders */ |
134 | $color[16] = '#ff9933'; /* (orange) Highlight color */ |
135 | |
202bcbcc |
136 | require(SM_PATH . 'functions/global.php'); |
5e68a08e |
137 | |
138 | /* load default configuration */ |
139 | require(SM_PATH . 'config/config_default.php'); |
140 | /* reset arrays in default configuration */ |
141 | $ldap_server = array(); |
142 | $plugins = array(); |
143 | $fontsets = array(); |
144 | $theme = array(); |
145 | $theme[0]['PATH'] = SM_PATH . 'themes/default_theme.php'; |
146 | $theme[0]['NAME'] = 'Default'; |
147 | $aTemplateSet = array(); |
148 | $aTemplateSet[0]['PATH'] = SM_PATH . 'templates/default/'; |
149 | $aTemplateSet[0]['NAME'] = 'Default template'; |
150 | /* load site configuration */ |
202bcbcc |
151 | require(SM_PATH . 'config/config.php'); |
5e68a08e |
152 | /* load local configuration overrides */ |
153 | if (file_exists(SM_PATH . 'config/config_local.php')) { |
154 | require(SM_PATH . 'config/config_local.php'); |
155 | } |
156 | |
202bcbcc |
157 | require(SM_PATH . 'functions/plugin.php'); |
158 | require(SM_PATH . 'include/constants.php'); |
159 | require(SM_PATH . 'include/languages.php'); |
160 | |
161 | /** |
162 | * If magic_quotes_runtime is on, SquirrelMail breaks in new and creative ways. |
163 | * Force magic_quotes_runtime off. |
164 | * tassium@squirrelmail.org - I put it here in the hopes that all SM code includes this. |
165 | * If there's a better place, please let me know. |
166 | */ |
167 | ini_set('magic_quotes_runtime','0'); |
168 | |
169 | |
170 | /* if running with magic_quotes_gpc then strip the slashes |
171 | from POST and GET global arrays */ |
172 | if (get_magic_quotes_gpc()) { |
173 | sqstripslashes($_GET); |
174 | sqstripslashes($_POST); |
175 | } |
176 | |
202bcbcc |
177 | |
178 | /* strip any tags added to the url from PHP_SELF. |
179 | This fixes hand crafted url XXS expoits for any |
180 | page that uses PHP_SELF as the FORM action */ |
181 | $_SERVER['PHP_SELF'] = strip_tags($_SERVER['PHP_SELF']); |
182 | |
183 | $PHP_SELF = php_self(); |
184 | |
185 | /** |
186 | * Initialize the session |
187 | */ |
188 | |
e8c4e350 |
189 | /** set the name of the session cookie */ |
190 | if (!isset($session_name) || !$session_name) { |
191 | $session_name = 'SQMSESSID'; |
192 | } |
193 | |
194 | /** |
195 | * if session.auto_start is On then close the session |
1d537493 |
196 | */ |
197 | $sSessionAutostartName = session_name(); |
198 | if ((isset($sSessionAutostartName) || $sSessionAutostartName == '') && |
199 | $sSessionAutostartName !== $session_name) { |
200 | $sCookiePath = ini_get('session.cookie_path'); |
201 | $sCookieDomain = ini_get('session.cookie_domain'); |
e8c4e350 |
202 | // reset the cookie |
1d537493 |
203 | setcookie($sSessionAutostartName,'',time() - 604800,$sCookiePath,$sCookieDomain); |
e8c4e350 |
204 | @session_destroy(); |
205 | session_write_close(); |
1d537493 |
206 | } |
e8c4e350 |
207 | |
202bcbcc |
208 | /** |
209 | * includes from classes stored in the session |
210 | */ |
211 | require(SM_PATH . 'class/mime.class.php'); |
212 | |
202bcbcc |
213 | ini_set('session.name' , $session_name); |
214 | session_set_cookie_params (0, $base_uri); |
215 | sqsession_is_active(); |
216 | |
202bcbcc |
217 | /** |
3464e1f4 |
218 | * DISABLED. |
202bcbcc |
219 | * Remove globalized session data in rg=on setups |
3464e1f4 |
220 | * |
221 | * Code can be utilized when session is started, but data is not loaded. |
222 | * We have already loaded configuration and other important vars. Can't |
223 | * clean session globals here. |
224 | if ((bool) @ini_get('register_globals') && |
225 | strtolower(ini_get('register_globals'))!='off') { |
202bcbcc |
226 | foreach ($_SESSION as $key => $value) { |
227 | unset($GLOBALS[$key]); |
228 | } |
229 | } |
3464e1f4 |
230 | */ |
6a2a6e44 |
231 | |
826ddd72 |
232 | sqsession_register(SM_BASE_URI,'base_uri'); |
6a2a6e44 |
233 | |
e8c4e350 |
234 | /** |
235 | * SquirrelMail version number -- DO NOT CHANGE |
236 | */ |
237 | $version = '1.5.2 [CVS]'; |
238 | |
1d537493 |
239 | /** |
240 | * SquirrelMail internal version number -- DO NOT CHANGE |
241 | * $sm_internal_version = array (release, major, minor) |
242 | */ |
243 | $SQM_INTERNAL_VERSION = array(1,5,2); |
244 | |
202bcbcc |
245 | /** |
246 | * Retrieve the language cookie |
247 | */ |
248 | if (! sqgetGlobalVar('squirrelmail_language',$squirrelmail_language,SQ_COOKIE)) { |
249 | $squirrelmail_language = ''; |
250 | } |
251 | |
252 | |
253 | /** |
254 | * @var $sInitlocation From where do we include. |
255 | */ |
256 | if (!isset($sInitLocation)) { |
257 | $sInitLocation=NULL; |
258 | } |
259 | |
260 | /** |
261 | * MAIN PLUGIN LOADING CODE HERE |
262 | */ |
263 | |
264 | /** |
265 | * Include Compatibility plugin if available. |
266 | */ |
267 | if (file_exists(SM_PATH . 'plugins/compatibility/functions.php')) |
268 | include_once(SM_PATH . 'plugins/compatibility/functions.php'); |
269 | $squirrelmail_plugin_hooks = array(); |
270 | |
271 | /* On init, register all plugins configured for use. */ |
272 | if (isset($plugins) && is_array($plugins)) { |
273 | // turn on output buffering in order to prevent output of new lines |
274 | ob_start(); |
275 | foreach ($plugins as $name) { |
276 | use_plugin($name); |
277 | } |
278 | // get output and remove whitespace |
279 | $output = trim(ob_get_contents()); |
280 | ob_end_clean(); |
281 | // if plugins output more than newlines and spacing, stop script execution. |
282 | if (!empty($output)) { |
283 | die($output); |
284 | } |
285 | } |
286 | |
2c6792a0 |
287 | /** |
288 | * Before 1.5.2 version hook was part of functions/constants.php. |
289 | * After init layout changes, hook had to be moved because include/constants.php is |
290 | * loaded before plugins are initialized. |
291 | * @since 1.2.0 |
292 | */ |
293 | do_hook('loading_constants'); |
202bcbcc |
294 | |
295 | switch ($sInitLocation) { |
c4e5f61f |
296 | case 'style': |
c4e5f61f |
297 | |
2b26084f |
298 | // need to get the right template set up |
299 | sqGetGlobalVar('templatedir', $templatedir, SQ_GET); |
c4e5f61f |
300 | |
2b26084f |
301 | // sanitize just in case... |
302 | $templatedir = preg_replace('/(\.\.\/){1,}/', '', $templatedir); |
c4e5f61f |
303 | |
2b26084f |
304 | // could also conceivably make sure given templatedir is in $aTemplateSet |
c4e5f61f |
305 | |
2b26084f |
306 | // set template directory only if what was given is valid |
307 | if (is_dir(SM_PATH . 'templates/' . $templatedir . '/')) { |
308 | $sTplDir = SM_PATH . 'templates/' . $templatedir . '/'; |
c4e5f61f |
309 | } |
310 | |
2b26084f |
311 | session_write_close(); |
312 | sqsetcookieflush(); |
c4e5f61f |
313 | break; |
314 | |
202bcbcc |
315 | case 'redirect': |
4d2f7565 |
316 | /** |
826ddd72 |
317 | * directory hashing functions are needed for all setups in case |
4d2f7565 |
318 | * plugins use own pref files. |
319 | */ |
320 | require(SM_PATH . 'functions/prefs.php'); |
321 | /* hook loads custom prefs backend plugins */ |
202bcbcc |
322 | $prefs_backend = do_hook_function('prefs_backend'); |
323 | if (isset($prefs_backend) && !empty($prefs_backend) && file_exists(SM_PATH . $prefs_backend)) { |
324 | require(SM_PATH . $prefs_backend); |
325 | } elseif (isset($prefs_dsn) && !empty($prefs_dsn)) { |
326 | require(SM_PATH . 'functions/db_prefs.php'); |
327 | } else { |
202bcbcc |
328 | require(SM_PATH . 'functions/file_prefs.php'); |
329 | } |
330 | //nobreak; |
331 | case 'login': |
332 | require(SM_PATH . 'functions/display_messages.php' ); |
333 | require(SM_PATH . 'functions/page_header.php'); |
334 | require(SM_PATH . 'functions/html.php'); |
1d537493 |
335 | /** |
336 | * cleanup old cookies with a cookie path the same as the standard php.ini |
337 | * cookie path. All previous SquirrelMail version used the standard php.ini |
338 | * cookie path for storing the session name. That behaviour changed. |
339 | */ |
340 | if ($sCookiePath !== SM_BASE_URI) { |
341 | /** |
342 | * do not delete the standard sessions with session.name is i.e. PHPSESSID |
343 | * because they probably belong to other php apps |
344 | */ |
345 | if (ini_get('session.name') !== $sSessionAutostartName) { |
346 | sqsetcookie(ini_get('session.name'),'',0,$sCookiePath); |
347 | } |
348 | } |
202bcbcc |
349 | break; |
350 | default: |
351 | require(SM_PATH . 'functions/display_messages.php' ); |
352 | require(SM_PATH . 'functions/page_header.php'); |
353 | require(SM_PATH . 'functions/html.php'); |
354 | require(SM_PATH . 'functions/strings.php'); |
355 | |
356 | |
357 | /** |
358 | * Check if we are logged in |
359 | */ |
360 | require(SM_PATH . 'functions/auth.php'); |
361 | |
362 | if ( !sqsession_is_registered('user_is_logged_in') ) { |
363 | // First we store some information in the new session to prevent |
364 | // information-loss. |
365 | // |
366 | $session_expired_post = $_POST; |
367 | $session_expired_location = $PHP_SELF; |
368 | if (!sqsession_is_registered('session_expired_post')) { |
369 | sqsession_register($session_expired_post,'session_expired_post'); |
370 | } |
371 | if (!sqsession_is_registered('session_expired_location')) { |
372 | sqsession_register($session_expired_location,'session_expired_location'); |
373 | } |
374 | // signout page will deal with users who aren't logged |
375 | // in on its own; don't show error here |
376 | // |
377 | if (strpos($PHP_SELF, 'signout.php') !== FALSE) { |
378 | return; |
379 | } |
380 | |
8efadc6b |
381 | /** |
382 | * Initialize the template object (logout_error uses it) |
383 | */ |
384 | require(SM_PATH . 'class/template/template.class.php'); |
385 | /* |
386 | * $sTplDir is not initialized when a user is not logged in, so we will use |
387 | * the config file defaults here. If the neccesary variables are net set, |
388 | * force a default value. |
389 | */ |
390 | $aTemplateSet = ( !isset($aTemplateSet) ? array() : $aTemplateSet ); |
391 | $templateset_default = ( !isset($templateset_default) ? 0 : $templateset_default ); |
392 | |
393 | $sTplDir = ( !isset($aTemplateSet[$templateset_default]['PATH']) ? |
394 | SM_PATH . 'templates/default/' : |
395 | $aTemplateSet[$templateset_default]['PATH'] ); |
396 | $oTemplate = new Template($sTplDir); |
397 | |
202bcbcc |
398 | set_up_language($squirrelmail_language, true); |
399 | logout_error( _("You must be logged in to access this page.") ); |
400 | exit; |
401 | } |
402 | |
403 | sqgetGlobalVar('username',$username,SQ_SESSION); |
404 | |
405 | /** |
406 | * Setting the prefs backend |
407 | */ |
408 | sqgetGlobalVar('prefs_cache', $prefs_cache, SQ_SESSION ); |
409 | sqgetGlobalVar('prefs_are_cached', $prefs_are_cached, SQ_SESSION ); |
410 | |
411 | if ( !sqsession_is_registered('prefs_are_cached') || |
412 | !isset( $prefs_cache) || |
413 | !is_array( $prefs_cache)) { |
414 | $prefs_are_cached = false; |
415 | $prefs_cache = false; //array(); |
416 | } |
417 | |
c4e5f61f |
418 | /* see 'redirect' case */ |
4d2f7565 |
419 | require(SM_PATH . 'functions/prefs.php'); |
420 | |
202bcbcc |
421 | $prefs_backend = do_hook_function('prefs_backend'); |
422 | if (isset($prefs_backend) && !empty($prefs_backend) && file_exists(SM_PATH . $prefs_backend)) { |
423 | require(SM_PATH . $prefs_backend); |
424 | } elseif (isset($prefs_dsn) && !empty($prefs_dsn)) { |
425 | require(SM_PATH . 'functions/db_prefs.php'); |
426 | } else { |
202bcbcc |
427 | require(SM_PATH . 'functions/file_prefs.php'); |
428 | } |
429 | |
430 | /** |
431 | * initializing user settings |
432 | */ |
433 | require(SM_PATH . 'include/load_prefs.php'); |
434 | |
202bcbcc |
435 | // i do not understand the frames language cookie story |
436 | /** |
437 | * We'll need this to later have a noframes version |
438 | * |
439 | * Check if the user has a language preference, but no cookie. |
440 | * Send him a cookie with his language preference, if there is |
441 | * such discrepancy. |
442 | */ |
443 | $my_language = getPref($data_dir, $username, 'language'); |
444 | if ($my_language != $squirrelmail_language) { |
445 | sqsetcookie('squirrelmail_language', $my_language, time()+2592000, $base_uri); |
446 | } |
447 | // /dont understand |
448 | |
449 | /** |
450 | * Set up the language. |
451 | */ |
452 | $err=set_up_language(getPref($data_dir, $username, 'language')); |
453 | /* this is the last cookie we set so flush it. */ |
454 | sqsetcookieflush(); |
455 | |
456 | // Japanese translation used without mbstring support |
457 | if ($err==2) { |
458 | $sError = |
459 | "<p>You need to have PHP installed with the multibyte string function \n". |
460 | "enabled (using configure option --enable-mbstring).</p>\n". |
461 | "<p>System assumed that you accidently switched to Japanese translation \n". |
462 | "and reverted your language preference to English.</p>\n". |
463 | "<p>Please refresh this page in order to use webmail.</p>\n"; |
464 | error_box($sError); |
465 | } |
466 | |
467 | $timeZone = getPref($data_dir, $username, 'timezone'); |
468 | |
469 | /* Check to see if we are allowed to set the TZ environment variable. |
470 | * We are able to do this if ... |
471 | * safe_mode is disabled OR |
472 | * safe_mode_allowed_env_vars is empty (you are allowed to set any) OR |
473 | * safe_mode_allowed_env_vars contains TZ |
474 | */ |
475 | $tzChangeAllowed = (!ini_get('safe_mode')) || |
476 | !strcmp(ini_get('safe_mode_allowed_env_vars'),'') || |
477 | preg_match('/^([\w_]+,)*TZ/', ini_get('safe_mode_allowed_env_vars')); |
478 | |
479 | if ( $timeZone != SMPREF_NONE && ($timeZone != "") |
480 | && $tzChangeAllowed ) { |
481 | |
482 | // get time zone key, if strict or custom strict timezones are used |
483 | if (isset($time_zone_type) && |
484 | ($time_zone_type == 1 || $time_zone_type == 3)) { |
485 | /* load time zone functions */ |
486 | require(SM_PATH . 'include/timezones.php'); |
487 | $realTimeZone = sq_get_tz_key($timeZone); |
488 | } else { |
489 | $realTimeZone = $timeZone; |
490 | } |
491 | |
492 | // set time zone |
493 | if ($realTimeZone) { |
494 | putenv("TZ=".$realTimeZone); |
495 | } |
496 | } |
867fed37 |
497 | |
498 | /** |
499 | * php 5.1.0 added time zone functions. Set time zone with them in order |
500 | * to prevent E_STRICT notices and allow time zone modifications in safe_mode. |
501 | */ |
502 | if (function_exists('date_default_timezone_set')) { |
503 | if ($timeZone != SMPREF_NONE && $timeZone != "") { |
504 | date_default_timezone_set($timeZone); |
505 | } else { |
506 | // interface runs on server's time zone. Remove php E_STRICT complains |
507 | $default_timezone = @date_default_timezone_get(); |
508 | date_default_timezone_set($default_timezone); |
509 | } |
510 | } |
202bcbcc |
511 | break; |
512 | } |
513 | |
514 | /** |
515 | * Initialize the template object |
516 | */ |
517 | require(SM_PATH . 'class/template/template.class.php'); |
3aa46abc |
518 | |
202bcbcc |
519 | /* |
520 | * $sTplDir is not initialized when a user is not logged in, so we will use |
c4e5f61f |
521 | * the config file defaults here. If the neccesary variables are not set, |
202bcbcc |
522 | * force a default value. |
3aa46abc |
523 | * |
524 | * If the user is logged in, $sTplDir will be set in load_prefs.php, so we |
525 | * shouldn't change it here. |
202bcbcc |
526 | */ |
3aa46abc |
527 | if (!isset($sTplDir)) { |
528 | $aTemplateSet = ( !isset($aTemplateSet) ? array() : $aTemplateSet ); |
529 | $templateset_default = ( !isset($templateset_default) ? 0 : $templateset_default ); |
530 | |
36543f08 |
531 | $sTplDir = !isset($aTemplateSet[$templateset_default]['PATH']) ? SM_PATH . 'templates/default/' : $aTemplateSet[$templateset_default]['PATH']; |
532 | $icon_theme_path = !$use_icons ? NULL : $sTplDir . 'images/'; |
3aa46abc |
533 | } |
202bcbcc |
534 | $oTemplate = new Template($sTplDir); |
535 | |
7aae649d |
536 | // We want some variables to always be available to the template |
537 | $always_include = array('sTplDir', 'icon_theme_path'); |
538 | foreach ($always_include as $var) { |
539 | $oTemplate->assign($var, (isset($$var) ? $$var : NULL)); |
540 | } |
541 | |
202bcbcc |
542 | /** |
543 | * Initialize our custom error handler object |
544 | */ |
545 | require(SM_PATH . 'class/error.class.php'); |
546 | $oErrorHandler = new ErrorHandler($oTemplate,'error_message.tpl'); |
547 | |
548 | /** |
549 | * Activate custom error handling |
550 | */ |
551 | if (version_compare(PHP_VERSION, "4.3.0", ">=")) { |
552 | $oldErrorHandler = set_error_handler(array($oErrorHandler, 'SquirrelMailErrorhandler')); |
553 | } else { |
554 | $oldErrorHandler = set_error_handler('SquirrelMailErrorhandler'); |
555 | } |
556 | |
557 | /** |
558 | * Javascript support detection function |
559 | * @param boolean $reset recheck javascript support if set to true. |
867fed37 |
560 | * @return integer SMPREF_JS_ON or SMPREF_JS_OFF ({@see include/constants.php}) |
202bcbcc |
561 | * @since 1.5.1 |
562 | */ |
202bcbcc |
563 | function checkForJavascript($reset = FALSE) { |
564 | global $data_dir, $username, $javascript_on, $javascript_setting; |
565 | |
566 | if ( !$reset && sqGetGlobalVar('javascript_on', $javascript_on, SQ_SESSION) ) |
567 | return $javascript_on; |
568 | |
569 | if ( $reset || !isset($javascript_setting) ) |
570 | $javascript_setting = getPref($data_dir, $username, 'javascript_setting', SMPREF_JS_AUTODETECT); |
571 | |
572 | if ( !sqGetGlobalVar('new_js_autodetect_results', $js_autodetect_results) && |
573 | !sqGetGlobalVar('js_autodetect_results', $js_autodetect_results) ) |
574 | $js_autodetect_results = SMPREF_JS_OFF; |
575 | |
576 | if ( $javascript_setting == SMPREF_JS_AUTODETECT ) |
577 | $javascript_on = $js_autodetect_results; |
578 | else |
579 | $javascript_on = $javascript_setting; |
580 | |
581 | sqsession_register($javascript_on, 'javascript_on'); |
582 | return $javascript_on; |
583 | } |
584 | |
585 | function sqm_baseuri() { |
586 | global $base_uri; |
587 | return $base_uri; |
8e1e2794 |
588 | } |