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 |
1888b1bf |
17 | FIXME: disabling this for now, because we now have $sm_debug_mode, but the problem with that is that we don't know what it will be until we have loaded the config file, a good 175 lines below after several important files have been included, etc. For now, we'll trust that developers have turned on E_ALL in php.ini anyway, but this can be uncommented if not. |
202bcbcc |
18 | */ |
1888b1bf |
19 | //error_reporting(E_ALL); |
20 | |
202bcbcc |
21 | |
22 | |
c7ebdfcf |
23 | /** |
24 | * Make sure we have a page name |
25 | * |
26 | */ |
27 | if ( !defined('PAGE_NAME') ) define('PAGE_NAME', NULL); |
28 | |
29 | |
6a2a6e44 |
30 | /** |
31 | * If register_globals are on, unregister globals. |
a3b99374 |
32 | * Second test covers boolean set as string (php_value register_globals off). |
6a2a6e44 |
33 | */ |
55dd9abf |
34 | if ((bool) ini_get('register_globals') && |
a3b99374 |
35 | strtolower(ini_get('register_globals'))!='off') { |
6a2a6e44 |
36 | /** |
55dd9abf |
37 | * Remove all globals that are not reserved by PHP |
38 | * 'value' and 'key' are used by foreach. Don't unset them inside foreach. |
6a2a6e44 |
39 | */ |
55dd9abf |
40 | foreach ($GLOBALS as $key => $value) { |
41 | switch($key) { |
42 | case 'HTTP_POST_VARS': |
43 | case '_POST': |
44 | case 'HTTP_GET_VARS': |
45 | case '_GET': |
46 | case 'HTTP_COOKIE_VARS': |
47 | case '_COOKIE': |
48 | case 'HTTP_SERVER_VARS': |
49 | case '_SERVER': |
50 | case 'HTTP_ENV_VARS': |
51 | case '_ENV': |
52 | case 'HTTP_POST_FILES': |
53 | case '_FILES': |
54 | case '_REQUEST': |
55 | case 'HTTP_SESSION_VARS': |
56 | case '_SESSION': |
57 | case 'GLOBALS': |
58 | case 'key': |
59 | case 'value': |
60 | break; |
55dd9abf |
61 | default: |
62 | unset($GLOBALS[$key]); |
63 | } |
6a2a6e44 |
64 | } |
55dd9abf |
65 | // Unset variables used in foreach |
66 | unset($GLOBALS['key']); |
67 | unset($GLOBALS['value']); |
6a2a6e44 |
68 | } |
69 | |
d849b570 |
70 | /** |
71 | * Used as a dummy value, e.g., for passing as an empty |
e39d00e9 |
72 | * hook argument (where the value is passed by reference, |
73 | * and therefore NULL itself is not acceptable). |
d849b570 |
74 | */ |
086ad092 |
75 | global $null; |
d849b570 |
76 | $null = NULL; |
77 | |
71efd1ed |
78 | /** |
79 | * [#1518885] session.use_cookies = off breaks SquirrelMail |
80 | * |
086ad092 |
81 | * When session cookies are not used, all http redirects, meta refreshes, |
82 | * src/download.php and javascript URLs are broken. Setting must be set |
71efd1ed |
83 | * before session is started. |
84 | */ |
85 | if (!(bool)ini_get('session.use_cookies') || |
86 | ini_get('session.use_cookies') == 'off') { |
87 | ini_set('session.use_cookies','1'); |
88 | } |
6a2a6e44 |
89 | |
3f081dd0 |
90 | |
202bcbcc |
91 | /** |
92 | * calculate SM_PATH and calculate the base_uri |
93 | * assumptions made: init.php is only called from plugins or from the src dir. |
94 | * files in the plugin directory may not be part of a subdirectory called "src" |
95 | * |
96 | */ |
97 | if (isset($_SERVER['SCRIPT_NAME'])) { |
3f081dd0 |
98 | $a = explode('/', $_SERVER['SCRIPT_NAME']); |
202bcbcc |
99 | } elseif (isset($HTTP_SERVER_VARS['SCRIPT_NAME'])) { |
3f081dd0 |
100 | $a = explode('/', $HTTP_SERVER_VARS['SCRIPT_NAME']); |
b0829edf |
101 | } else { |
3f081dd0 |
102 | $error = 'Unable to detect script environment. Please test your PHP ' |
103 | . 'settings and send your PHP core configuration, $_SERVER and ' |
104 | . '$HTTP_SERVER_VARS contents to the SquirrelMail developers.'; |
b0829edf |
105 | die($error); |
202bcbcc |
106 | } |
107 | $sSM_PATH = ''; |
3f081dd0 |
108 | for($i = count($a) -2; $i > -1; --$i) { |
202bcbcc |
109 | $sSM_PATH .= '../'; |
110 | if ($a[$i] === 'src' || $a[$i] === 'plugins') { |
111 | break; |
112 | } |
113 | } |
114 | |
3f081dd0 |
115 | $base_uri = implode('/', array_slice($a, 0, $i)). '/'; |
202bcbcc |
116 | |
202bcbcc |
117 | define('SM_PATH',$sSM_PATH); |
6a2a6e44 |
118 | define('SM_BASE_URI', $base_uri); |
3f081dd0 |
119 | |
120 | |
202bcbcc |
121 | /** |
122 | * global var $bInit is used to check if initialisation took place. |
123 | * At this moment it's a workarounf for the include of addrbook_search_html |
124 | * inside compose.php. If we found a better way then remove this. Do only use |
125 | * this var if you know for sure a page can be called stand alone and be included |
126 | * in another file. |
127 | */ |
128 | $bInit = true; |
129 | |
8e1e2794 |
130 | /** |
131 | * This theme as a failsafe if no themes were found, or if we error |
132 | * out before anything could be initialised. |
133 | */ |
134 | $color = array(); |
135 | $color[0] = '#DCDCDC'; /* light gray TitleBar */ |
136 | $color[1] = '#800000'; /* red */ |
137 | $color[2] = '#CC0000'; /* light red Warning/Error Messages */ |
138 | $color[3] = '#A0B8C8'; /* green-blue Left Bar Background */ |
139 | $color[4] = '#FFFFFF'; /* white Normal Background */ |
140 | $color[5] = '#FFFFCC'; /* light yellow Table Headers */ |
141 | $color[6] = '#000000'; /* black Text on left bar */ |
142 | $color[7] = '#0000CC'; /* blue Links */ |
143 | $color[8] = '#000000'; /* black Normal text */ |
144 | $color[9] = '#ABABAB'; /* mid-gray Darker version of #0 */ |
145 | $color[10] = '#666666'; /* dark gray Darker version of #9 */ |
146 | $color[11] = '#770000'; /* dark red Special Folders color */ |
147 | $color[12] = '#EDEDED'; |
148 | $color[13] = '#800000'; /* (dark red) Color for quoted text -- > 1 quote */ |
149 | $color[14] = '#ff0000'; /* (red) Color for quoted text -- >> 2 or more */ |
150 | $color[15] = '#002266'; /* (dark blue) Unselectable folders */ |
151 | $color[16] = '#ff9933'; /* (orange) Highlight color */ |
152 | |
1888b1bf |
153 | require(SM_PATH . 'include/constants.php'); |
202bcbcc |
154 | require(SM_PATH . 'functions/global.php'); |
4ffcf13a |
155 | require(SM_PATH . 'functions/strings.php'); |
918fcc1d |
156 | require(SM_PATH . 'functions/arrays.php'); |
5e68a08e |
157 | |
158 | /* load default configuration */ |
159 | require(SM_PATH . 'config/config_default.php'); |
160 | /* reset arrays in default configuration */ |
161 | $ldap_server = array(); |
162 | $plugins = array(); |
163 | $fontsets = array(); |
5e68a08e |
164 | $aTemplateSet = array(); |
28294310 |
165 | $aTemplateSet[0]['ID'] = 'default'; |
166 | $aTemplateSet[0]['NAME'] = 'Default'; |
01fd1d1a |
167 | |
5e68a08e |
168 | /* load site configuration */ |
202bcbcc |
169 | require(SM_PATH . 'config/config.php'); |
5e68a08e |
170 | /* load local configuration overrides */ |
171 | if (file_exists(SM_PATH . 'config/config_local.php')) { |
172 | require(SM_PATH . 'config/config_local.php'); |
173 | } |
174 | |
1888b1bf |
175 | |
176 | /** |
177 | * Set PHP error reporting level based on the SquirrelMail debug mode |
178 | */ |
179 | $error_level = 0; |
180 | if ($sm_debug_mode & SM_DEBUG_MODE_SIMPLE) |
181 | $error_level |= E_ERROR; |
182 | if ($sm_debug_mode & SM_DEBUG_MODE_MODERATE |
183 | || $sm_debug_mode & SM_DEBUG_MODE_ADVANCED) |
184 | $error_level |= E_ALL; |
185 | if ($sm_debug_mode & SM_DEBUG_MODE_STRICT) |
186 | $error_level |= E_STRICT; |
187 | error_reporting($error_level); |
188 | |
189 | |
202bcbcc |
190 | require(SM_PATH . 'functions/plugin.php'); |
202bcbcc |
191 | require(SM_PATH . 'include/languages.php'); |
42b5e8aa |
192 | require(SM_PATH . 'class/template/Template.class.php'); |
5ab684a5 |
193 | require(SM_PATH . 'class/error.class.php'); |
202bcbcc |
194 | |
195 | /** |
196 | * If magic_quotes_runtime is on, SquirrelMail breaks in new and creative ways. |
197 | * Force magic_quotes_runtime off. |
198 | * tassium@squirrelmail.org - I put it here in the hopes that all SM code includes this. |
199 | * If there's a better place, please let me know. |
200 | */ |
201 | ini_set('magic_quotes_runtime','0'); |
202 | |
203 | |
204 | /* if running with magic_quotes_gpc then strip the slashes |
205 | from POST and GET global arrays */ |
206 | if (get_magic_quotes_gpc()) { |
207 | sqstripslashes($_GET); |
208 | sqstripslashes($_POST); |
209 | } |
210 | |
202bcbcc |
211 | |
212 | /* strip any tags added to the url from PHP_SELF. |
213 | This fixes hand crafted url XXS expoits for any |
214 | page that uses PHP_SELF as the FORM action */ |
215 | $_SERVER['PHP_SELF'] = strip_tags($_SERVER['PHP_SELF']); |
216 | |
217 | $PHP_SELF = php_self(); |
218 | |
219 | /** |
220 | * Initialize the session |
221 | */ |
222 | |
e8c4e350 |
223 | /** set the name of the session cookie */ |
224 | if (!isset($session_name) || !$session_name) { |
225 | $session_name = 'SQMSESSID'; |
226 | } |
227 | |
228 | /** |
319ad3c0 |
229 | * When session.auto_start is On we want to destroy/close the session |
1d537493 |
230 | */ |
231 | $sSessionAutostartName = session_name(); |
bf6140e3 |
232 | $sCookiePath = null; |
319ad3c0 |
233 | if (isset($sSessionAutostartName) && $sSessionAutostartName !== $session_name) { |
1d537493 |
234 | $sCookiePath = ini_get('session.cookie_path'); |
235 | $sCookieDomain = ini_get('session.cookie_domain'); |
e8c4e350 |
236 | // reset the cookie |
1d537493 |
237 | setcookie($sSessionAutostartName,'',time() - 604800,$sCookiePath,$sCookieDomain); |
e8c4e350 |
238 | @session_destroy(); |
239 | session_write_close(); |
1d537493 |
240 | } |
e8c4e350 |
241 | |
202bcbcc |
242 | /** |
243 | * includes from classes stored in the session |
244 | */ |
245 | require(SM_PATH . 'class/mime.class.php'); |
246 | |
202bcbcc |
247 | ini_set('session.name' , $session_name); |
248 | session_set_cookie_params (0, $base_uri); |
249 | sqsession_is_active(); |
250 | |
319ad3c0 |
251 | /** |
252 | * When on login page, have to reset the user session, making |
253 | * sure to save session restore data first |
254 | */ |
255 | if (PAGE_NAME == 'login') { |
256 | if (!sqGetGlobalVar('session_expired_post', $sep, SQ_SESSION)) |
257 | $sep = ''; |
258 | if (!sqGetGlobalVar('session_expired_location', $sel, SQ_SESSION)) |
259 | $sel = ''; |
260 | sqsession_destroy(); |
261 | session_write_close(); |
262 | |
263 | /** |
264 | * in some rare instances, the session seems to stick |
265 | * around even after destroying it (!!), so if it does, |
266 | * we'll manually flatten the $_SESSION data |
267 | */ |
268 | if (!empty($_SESSION)) |
269 | $_SESSION = array(); |
270 | |
bc3acc5a |
271 | /** |
272 | * Allow administrators to define custom session handlers |
273 | * for SquirrelMail without needing to change anything in |
274 | * php.ini (application-level). |
275 | * |
276 | * In config_local.php, admin needs to put: |
277 | * |
278 | * $custom_session_handlers = array( |
279 | * 'my_open_handler', |
280 | * 'my_close_handler', |
281 | * 'my_read_handler', |
282 | * 'my_write_handler', |
283 | * 'my_destroy_handler', |
284 | * 'my_gc_handler', |
285 | * ); |
286 | * session_module_name('user'); |
287 | * session_set_save_handler( |
288 | * $custom_session_handlers[0], |
289 | * $custom_session_handlers[1], |
290 | * $custom_session_handlers[2], |
291 | * $custom_session_handlers[3], |
292 | * $custom_session_handlers[4], |
293 | * $custom_session_handlers[5] |
294 | * ); |
295 | * |
296 | * We need to replicate that code once here because PHP has |
297 | * long had a bug that resets the session handler mechanism |
298 | * when the session data is also destroyed. Because of this |
299 | * bug, even administrators who define custom session handlers |
300 | * via a PHP pre-load defined in php.ini (auto_prepend_file) |
301 | * will still need to define the $custom_session_handlers array |
302 | * in config_local.php. |
303 | */ |
304 | global $custom_session_handlers; |
305 | if (!empty($custom_session_handlers)) { |
306 | $open = $custom_session_handlers[0]; |
307 | $close = $custom_session_handlers[1]; |
308 | $read = $custom_session_handlers[2]; |
309 | $write = $custom_session_handlers[3]; |
310 | $destroy = $custom_session_handlers[4]; |
311 | $gc = $custom_session_handlers[5]; |
312 | session_module_name('user'); |
313 | session_set_save_handler($open, $close, $read, $write, $destroy, $gc); |
314 | } |
315 | |
319ad3c0 |
316 | sqsession_is_active(); |
317 | session_regenerate_id(); |
ef33def6 |
318 | |
319 | // put session restore data back into session if necessary |
320 | if (!empty($sel)) { |
321 | sqsession_register($sel, 'session_expired_location'); |
322 | if (!empty($sep)) |
323 | sqsession_register($sep, 'session_expired_post'); |
324 | } |
319ad3c0 |
325 | } |
326 | |
5aed95be |
327 | /** |
328 | * SquirrelMail internal version number -- DO NOT CHANGE |
329 | * $sm_internal_version = array (release, major, minor) |
330 | */ |
a895042a |
331 | $SQM_INTERNAL_VERSION = explode('.', SM_VERSION, 3); |
b37e457f |
332 | $SQM_INTERNAL_VERSION[2] = intval($SQM_INTERNAL_VERSION[2]); |
5aed95be |
333 | |
93d67e0d |
334 | |
6d5775db |
335 | /* load prefs system; even when user not logged in, should be OK to do this here */ |
336 | require(SM_PATH . 'functions/prefs.php'); |
337 | |
d43a862e |
338 | // 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 |
339 | $prefs_backend = do_hook('prefs_backend', $null); |
340 | if (isset($prefs_backend) && !empty($prefs_backend) && file_exists(SM_PATH . $prefs_backend)) { |
341 | require(SM_PATH . $prefs_backend); |
342 | } elseif (isset($prefs_dsn) && !empty($prefs_dsn)) { |
343 | require(SM_PATH . 'functions/db_prefs.php'); |
344 | } else { |
345 | require(SM_PATH . 'functions/file_prefs.php'); |
346 | } |
347 | |
348 | |
086ad092 |
349 | /* if plugins are disabled only for one user and |
93d67e0d |
350 | * the current user is NOT that user, turn them |
351 | * back on |
352 | */ |
353 | sqgetGlobalVar('username',$username,SQ_SESSION); |
354 | if ($disable_plugins && !empty($disable_plugins_user) |
355 | && $username != $disable_plugins_user) { |
356 | $disable_plugins = false; |
357 | } |
358 | |
359 | /* remove all plugins if they are disabled */ |
360 | if ($disable_plugins) { |
361 | $plugins = array(); |
362 | } |
363 | |
364 | |
5aed95be |
365 | /** |
366 | * Include Compatibility plugin if available. |
367 | */ |
93d67e0d |
368 | if (!$disable_plugins && file_exists(SM_PATH . 'plugins/compatibility/functions.php')) |
5aed95be |
369 | include_once(SM_PATH . 'plugins/compatibility/functions.php'); |
370 | |
371 | /** |
372 | * MAIN PLUGIN LOADING CODE HERE |
086ad092 |
373 | * On init, we no longer need to load all plugin setup files. |
5aed95be |
374 | * Now, we load the statically generated hook registrations here |
375 | * and let the hook calls include only the plugins needed. |
376 | */ |
377 | $squirrelmail_plugin_hooks = array(); |
93d67e0d |
378 | if (!$disable_plugins && file_exists(SM_PATH . 'config/plugin_hooks.php')) { |
5aed95be |
379 | require(SM_PATH . 'config/plugin_hooks.php'); |
380 | } |
381 | |
382 | /** |
383 | * allow plugins to override main configuration; hook is placed |
384 | * here to allow plugins to use session information to do their work |
385 | */ |
d849b570 |
386 | do_hook('config_override', $null); |
5aed95be |
387 | |
202bcbcc |
388 | /** |
3464e1f4 |
389 | * DISABLED. |
202bcbcc |
390 | * Remove globalized session data in rg=on setups |
086ad092 |
391 | * |
3464e1f4 |
392 | * Code can be utilized when session is started, but data is not loaded. |
086ad092 |
393 | * We have already loaded configuration and other important vars. Can't |
aae60854 |
394 | * clean session globals here, beside, the cleanout of globals at the |
395 | * top of this file will have removed anything this code would find anyway. |
3464e1f4 |
396 | if ((bool) @ini_get('register_globals') && |
397 | strtolower(ini_get('register_globals'))!='off') { |
202bcbcc |
398 | foreach ($_SESSION as $key => $value) { |
399 | unset($GLOBALS[$key]); |
400 | } |
401 | } |
3464e1f4 |
402 | */ |
6a2a6e44 |
403 | |
826ddd72 |
404 | sqsession_register(SM_BASE_URI,'base_uri'); |
6a2a6e44 |
405 | |
202bcbcc |
406 | /** |
407 | * Retrieve the language cookie |
408 | */ |
409 | if (! sqgetGlobalVar('squirrelmail_language',$squirrelmail_language,SQ_COOKIE)) { |
410 | $squirrelmail_language = ''; |
411 | } |
412 | |
bf3abdc3 |
413 | |
202bcbcc |
414 | /** |
f0d28f44 |
415 | * Do something special for some pages. This is based on the PAGE_NAME constant |
9e06a3ea |
416 | * set at the top of every page. |
202bcbcc |
417 | */ |
9e06a3ea |
418 | switch (PAGE_NAME) { |
086ad092 |
419 | case 'style': |
c4e5f61f |
420 | |
2b26084f |
421 | // need to get the right template set up |
28294310 |
422 | // |
423 | sqGetGlobalVar('templateid', $templateid, SQ_GET); |
c4e5f61f |
424 | |
2b26084f |
425 | // sanitize just in case... |
28294310 |
426 | // |
427 | $templateid = preg_replace('/(\.\.\/){1,}/', '', $templateid); |
428 | |
429 | // make sure given template actually is available |
430 | // |
28294310 |
431 | $found_templateset = false; |
432 | for ($i = 0; $i < count($aTemplateSet); ++$i) { |
433 | if ($aTemplateSet[$i]['ID'] == $templateid) { |
434 | $found_templateset = true; |
435 | break; |
436 | } |
437 | } |
c4e5f61f |
438 | |
be155e14 |
439 | // FIXME: do we need/want to check here for actual (physical) presence of template sets? |
28294310 |
440 | // selected template not available, fall back to default template |
441 | // |
442 | if (!$found_templateset) { |
42b5e8aa |
443 | $sTemplateID = Template::get_default_template_set(); |
28294310 |
444 | } else { |
445 | $sTemplateID = $templateid; |
c4e5f61f |
446 | } |
447 | |
2b26084f |
448 | session_write_close(); |
c4e5f61f |
449 | break; |
450 | |
f0d28f44 |
451 | case 'mailto': |
452 | // nothing to do |
453 | break; |
454 | |
202bcbcc |
455 | case 'redirect': |
2e616fa4 |
456 | require(SM_PATH . 'functions/auth.php'); |
202bcbcc |
457 | //nobreak; |
bf3abdc3 |
458 | |
202bcbcc |
459 | case 'login': |
460 | require(SM_PATH . 'functions/display_messages.php' ); |
461 | require(SM_PATH . 'functions/page_header.php'); |
462 | require(SM_PATH . 'functions/html.php'); |
42b5e8aa |
463 | |
464 | // reset template file cache |
465 | // |
466 | $sTemplateID = Template::get_default_template_set(); |
467 | Template::cache_template_file_hierarchy(TRUE); |
468 | |
01fd1d1a |
469 | /** |
470 | * Make sure icon variables are setup for the login page. |
471 | */ |
472 | $icon_theme = $icon_themes[$icon_theme_def]['PATH']; |
473 | /* |
474 | * NOTE: The $icon_theme_path var should contain the path to the icon |
475 | * theme to use. If the admin has disabled icons, or the user has |
476 | * set the icon theme to "None," no icons will be used. |
477 | */ |
478 | $icon_theme_path = (!$use_icons || $icon_theme=='none') ? NULL : ($icon_theme == 'template' ? SM_PATH . Template::calculate_template_images_directory($sTemplateID) : $icon_theme); |
479 | |
1d537493 |
480 | /** |
481 | * cleanup old cookies with a cookie path the same as the standard php.ini |
482 | * cookie path. All previous SquirrelMail version used the standard php.ini |
483 | * cookie path for storing the session name. That behaviour changed. |
484 | */ |
485 | if ($sCookiePath !== SM_BASE_URI) { |
486 | /** |
487 | * do not delete the standard sessions with session.name is i.e. PHPSESSID |
488 | * because they probably belong to other php apps |
489 | */ |
490 | if (ini_get('session.name') !== $sSessionAutostartName) { |
30a428c6 |
491 | // This does not work. Sometimes the cookie with SQSESSID=deleted and path / |
492 | // is picked up in webmail.php => login will fail |
493 | //sqsetcookie(ini_get('session.name'),'',0,$sCookiePath); |
1d537493 |
494 | } |
495 | } |
202bcbcc |
496 | break; |
497 | default: |
498 | require(SM_PATH . 'functions/display_messages.php' ); |
499 | require(SM_PATH . 'functions/page_header.php'); |
500 | require(SM_PATH . 'functions/html.php'); |
202bcbcc |
501 | |
502 | |
503 | /** |
504 | * Check if we are logged in |
505 | */ |
506 | require(SM_PATH . 'functions/auth.php'); |
507 | |
508 | if ( !sqsession_is_registered('user_is_logged_in') ) { |
f8eb968d |
509 | |
510 | // use $message to indicate what logout text the user |
511 | // will see... if 0, typical "You must be logged in" |
512 | // if 1, information that the user session was saved |
513 | // and will be resumed after (re)login |
514 | // |
515 | $message = 0; |
516 | |
202bcbcc |
517 | // First we store some information in the new session to prevent |
518 | // information-loss. |
519 | // |
520 | $session_expired_post = $_POST; |
f8e68605 |
521 | $session_expired_location = PAGE_NAME; |
202bcbcc |
522 | if (!sqsession_is_registered('session_expired_post')) { |
523 | sqsession_register($session_expired_post,'session_expired_post'); |
524 | } |
525 | if (!sqsession_is_registered('session_expired_location')) { |
526 | sqsession_register($session_expired_location,'session_expired_location'); |
f8e68605 |
527 | if ($session_expired_location == 'compose') |
f8eb968d |
528 | $message = 1; |
202bcbcc |
529 | } |
530 | // signout page will deal with users who aren't logged |
531 | // in on its own; don't show error here |
532 | // |
9e06a3ea |
533 | if ( PAGE_NAME == 'signout' ) { |
a140422a |
534 | return; |
202bcbcc |
535 | } |
536 | |
8efadc6b |
537 | /** |
538 | * Initialize the template object (logout_error uses it) |
539 | */ |
8efadc6b |
540 | /* |
086ad092 |
541 | * $sTemplateID is not initialized when a user is not logged in, so we |
542 | * will use the config file defaults here. If the neccesary variables |
28294310 |
543 | * are net set, force a default value. |
8efadc6b |
544 | */ |
42b5e8aa |
545 | $sTemplateID = Template::get_default_template_set(); |
28294310 |
546 | $oTemplate = Template::construct_template($sTemplateID); |
8efadc6b |
547 | |
202bcbcc |
548 | set_up_language($squirrelmail_language, true); |
f8eb968d |
549 | if (!$message) |
550 | logout_error( _("You must be logged in to access this page.") ); |
551 | else |
552 | logout_error( _("Your session has expired, but will be resumed after logging in again.") ); |
202bcbcc |
553 | exit; |
554 | } |
555 | |
79524620 |
556 | sqgetGlobalVar('authz',$authz,SQ_SESSION); |
202bcbcc |
557 | |
558 | /** |
559 | * Setting the prefs backend |
560 | */ |
561 | sqgetGlobalVar('prefs_cache', $prefs_cache, SQ_SESSION ); |
562 | sqgetGlobalVar('prefs_are_cached', $prefs_are_cached, SQ_SESSION ); |
563 | |
564 | if ( !sqsession_is_registered('prefs_are_cached') || |
565 | !isset( $prefs_cache) || |
566 | !is_array( $prefs_cache)) { |
567 | $prefs_are_cached = false; |
568 | $prefs_cache = false; //array(); |
569 | } |
570 | |
202bcbcc |
571 | /** |
572 | * initializing user settings |
573 | */ |
574 | require(SM_PATH . 'include/load_prefs.php'); |
575 | |
202bcbcc |
576 | // i do not understand the frames language cookie story |
577 | /** |
578 | * We'll need this to later have a noframes version |
579 | * |
580 | * Check if the user has a language preference, but no cookie. |
581 | * Send him a cookie with his language preference, if there is |
582 | * such discrepancy. |
583 | */ |
584 | $my_language = getPref($data_dir, $username, 'language'); |
585 | if ($my_language != $squirrelmail_language) { |
586 | sqsetcookie('squirrelmail_language', $my_language, time()+2592000, $base_uri); |
587 | } |
588 | // /dont understand |
589 | |
590 | /** |
591 | * Set up the language. |
592 | */ |
593 | $err=set_up_language(getPref($data_dir, $username, 'language')); |
202bcbcc |
594 | |
595 | // Japanese translation used without mbstring support |
596 | if ($err==2) { |
aae60854 |
597 | $sError = "<p>Your administrator needs to have PHP installed with the multibyte string extension enabled (using configure option --enable-mbstring).</p>\n" |
598 | . "<p>This system has assumed that you accidently switched to Japanese and has reverted your language preference to English.</p>\n" |
599 | . "<p>Please refresh this page in order to continue using your webmail.</p>\n"; |
202bcbcc |
600 | error_box($sError); |
601 | } |
602 | |
603 | $timeZone = getPref($data_dir, $username, 'timezone'); |
604 | |
605 | /* Check to see if we are allowed to set the TZ environment variable. |
606 | * We are able to do this if ... |
607 | * safe_mode is disabled OR |
608 | * safe_mode_allowed_env_vars is empty (you are allowed to set any) OR |
609 | * safe_mode_allowed_env_vars contains TZ |
610 | */ |
611 | $tzChangeAllowed = (!ini_get('safe_mode')) || |
612 | !strcmp(ini_get('safe_mode_allowed_env_vars'),'') || |
613 | preg_match('/^([\w_]+,)*TZ/', ini_get('safe_mode_allowed_env_vars')); |
614 | |
615 | if ( $timeZone != SMPREF_NONE && ($timeZone != "") |
616 | && $tzChangeAllowed ) { |
617 | |
618 | // get time zone key, if strict or custom strict timezones are used |
619 | if (isset($time_zone_type) && |
620 | ($time_zone_type == 1 || $time_zone_type == 3)) { |
621 | /* load time zone functions */ |
622 | require(SM_PATH . 'include/timezones.php'); |
623 | $realTimeZone = sq_get_tz_key($timeZone); |
624 | } else { |
625 | $realTimeZone = $timeZone; |
626 | } |
627 | |
628 | // set time zone |
629 | if ($realTimeZone) { |
630 | putenv("TZ=".$realTimeZone); |
631 | } |
632 | } |
867fed37 |
633 | |
634 | /** |
635 | * php 5.1.0 added time zone functions. Set time zone with them in order |
636 | * to prevent E_STRICT notices and allow time zone modifications in safe_mode. |
637 | */ |
638 | if (function_exists('date_default_timezone_set')) { |
639 | if ($timeZone != SMPREF_NONE && $timeZone != "") { |
640 | date_default_timezone_set($timeZone); |
641 | } else { |
642 | // interface runs on server's time zone. Remove php E_STRICT complains |
643 | $default_timezone = @date_default_timezone_get(); |
086ad092 |
644 | date_default_timezone_set($default_timezone); |
867fed37 |
645 | } |
646 | } |
202bcbcc |
647 | break; |
648 | } |
649 | |
202bcbcc |
650 | /* |
086ad092 |
651 | * $sTemplateID is not initialized when a user is not logged in, so we |
652 | * will use the config file defaults here. If the neccesary variables |
28294310 |
653 | * are not set, force a default value. |
086ad092 |
654 | * |
655 | * If the user is logged in, $sTemplateID will be set in load_prefs.php, |
28294310 |
656 | * so we shouldn't change it here. |
202bcbcc |
657 | */ |
28294310 |
658 | if (!isset($sTemplateID)) { |
42b5e8aa |
659 | $sTemplateID = Template::get_default_template_set(); |
28294310 |
660 | $icon_theme_path = !$use_icons ? NULL : Template::calculate_template_images_directory($sTemplateID); |
3aa46abc |
661 | } |
be155e14 |
662 | |
663 | // template object may have already been constructed in load_prefs.php |
664 | // |
665 | if (empty($oTemplate)) { |
666 | $oTemplate = Template::construct_template($sTemplateID); |
667 | } |
202bcbcc |
668 | |
7aae649d |
669 | // We want some variables to always be available to the template |
e39d00e9 |
670 | $oTemplate->assign('javascript_on', |
671 | (sqGetGlobalVar('user_is_logged_in', $user_is_logged_in, SQ_SESSION) |
672 | ? checkForJavascript() : 0)); |
fe8103c2 |
673 | $oTemplate->assign('base_uri', sqm_baseuri()); |
457e8593 |
674 | $always_include = array('sTemplateID', 'icon_theme_path'); |
7aae649d |
675 | foreach ($always_include as $var) { |
676 | $oTemplate->assign($var, (isset($$var) ? $$var : NULL)); |
677 | } |
678 | |
202bcbcc |
679 | /** |
680 | * Initialize our custom error handler object |
681 | */ |
202bcbcc |
682 | $oErrorHandler = new ErrorHandler($oTemplate,'error_message.tpl'); |
683 | |
684 | /** |
685 | * Activate custom error handling |
686 | */ |
687 | if (version_compare(PHP_VERSION, "4.3.0", ">=")) { |
688 | $oldErrorHandler = set_error_handler(array($oErrorHandler, 'SquirrelMailErrorhandler')); |
689 | } else { |
690 | $oldErrorHandler = set_error_handler('SquirrelMailErrorhandler'); |
691 | } |
692 | |
f0d28f44 |
693 | |
694 | // ============================================================================ |
695 | // ================= End of Live Code, Beginning of Functions ================= |
696 | // ============================================================================ |
697 | |
698 | |
202bcbcc |
699 | /** |
700 | * Javascript support detection function |
701 | * @param boolean $reset recheck javascript support if set to true. |
867fed37 |
702 | * @return integer SMPREF_JS_ON or SMPREF_JS_OFF ({@see include/constants.php}) |
202bcbcc |
703 | * @since 1.5.1 |
704 | */ |
202bcbcc |
705 | function checkForJavascript($reset = FALSE) { |
706 | global $data_dir, $username, $javascript_on, $javascript_setting; |
707 | |
708 | if ( !$reset && sqGetGlobalVar('javascript_on', $javascript_on, SQ_SESSION) ) |
709 | return $javascript_on; |
710 | |
e39d00e9 |
711 | $user_is_logged_in = FALSE; |
bf3abdc3 |
712 | if ( $reset || !isset($javascript_setting) ) |
202bcbcc |
713 | $javascript_setting = getPref($data_dir, $username, 'javascript_setting', SMPREF_JS_AUTODETECT); |
714 | |
715 | if ( !sqGetGlobalVar('new_js_autodetect_results', $js_autodetect_results) && |
716 | !sqGetGlobalVar('js_autodetect_results', $js_autodetect_results) ) |
717 | $js_autodetect_results = SMPREF_JS_OFF; |
718 | |
719 | if ( $javascript_setting == SMPREF_JS_AUTODETECT ) |
720 | $javascript_on = $js_autodetect_results; |
721 | else |
722 | $javascript_on = $javascript_setting; |
723 | |
724 | sqsession_register($javascript_on, 'javascript_on'); |
725 | return $javascript_on; |
726 | } |
727 | |
728 | function sqm_baseuri() { |
729 | global $base_uri; |
730 | return $base_uri; |
8e1e2794 |
731 | } |