1 <?php
2 /*
3 * This code is part of GOsa (http://www.gosa-project.org)
4 * Copyright (C) 2003-2008 GONICUS GmbH
5 *
6 * ID: $$Id$$
7 *
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License as published by
10 * the Free Software Foundation; either version 2 of the License, or
11 * (at your option) any later version.
12 *
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
17 *
18 * You should have received a copy of the GNU General Public License
19 * along with this program; if not, write to the Free Software
20 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
21 */
23 /* Save start time */
24 $start = microtime();
26 /* Basic setup, remove eventually registered sessions */
27 require_once ("../include/php_setup.inc");
28 require_once ("functions.inc");
30 /* Set header */
31 header("Content-type: text/html; charset=UTF-8");
33 /* Set the text domain as 'messages' */
34 $domain = 'messages';
35 bindtextdomain($domain, LOCALE_DIR);
36 textdomain($domain);
38 /* Remember everything we did after the last click */
39 session::start();
40 session::set('errorsAlreadyPosted',array());
41 session::global_set('runtime_cache',array());
42 session::set('limit_exceeded',FALSE);
44 if ($_SERVER["REQUEST_METHOD"] == "POST"){
45 @DEBUG (DEBUG_POST, __LINE__, __FUNCTION__, __FILE__, $_POST, "_POST");
46 }
47 @DEBUG (DEBUG_POST, __LINE__, __FUNCTION__, __FILE__, session::get_all(), "_SESSION");
49 /* Logged in? Simple security check */
50 if (!session::global_is_set('config')){
51 new log("security","login","",array(),"main.php called without session - logging out") ;
52 header ("Location: logout.php");
53 exit;
54 }
56 /* Check for uniqe ip address */
57 $ui= session::global_get('ui');
58 if ($_SERVER['REMOTE_ADDR'] != $ui->ip){
59 new log("security","login","",array(),"main.php called with session which has a changed IP address.") ;
60 header ("Location: logout.php");
61 exit;
62 }
63 $config= session::global_get('config');
64 $config->check_and_reload();
66 /* Enable compressed output */
67 if ($config->get_cfg_value("sendCompressedOutput") == "true"){
68 ob_start("ob_gzhandler");
69 }
71 /* Check for invalid sessions */
72 if(session::global_get('_LAST_PAGE_REQUEST') == ""){
73 session::global_set('_LAST_PAGE_REQUEST',time());
74 }else{
76 /* check GOsa.conf for defined session lifetime */
77 $max_life= $config->get_cfg_value("sessionLifetime", 60*60*2);
79 /* get time difference between last page reload */
80 $request_time = (time()- session::global_get('_LAST_PAGE_REQUEST'));
82 /* If page wasn't reloaded for more than max_life seconds
83 * kill session
84 */
85 if($request_time > $max_life){
86 session::destroy();
87 new log("security","login","",array(),"main.php called without session - logging out") ;
88 header ("Location: logout.php");
89 exit;
90 }
91 session::global_set('_LAST_PAGE_REQUEST',time());
92 }
95 @DEBUG (DEBUG_CONFIG, __LINE__, __FUNCTION__, __FILE__, $config->data, "config");
97 /* Set template compile directory */
98 $smarty->compile_dir= $config->get_cfg_value("templateCompileDirectory", '/var/spool/gosa');
100 /* Set default */
101 $reload_navigation = false;
103 /* Set last initialised language to current, browser settings */
104 if(!session::global_is_set('Last_init_lang')){
105 $reload_navigation = true;
106 session::global_set('Last_init_lang',get_browser_language());
107 }
109 /* If last language != current force navi reload */
110 $lang= get_browser_language();
111 if(session::global_get('Last_init_lang') != $lang){
112 $reload_navigation = true;
113 }
115 /* Language setup */
116 session::global_set('Last_init_lang',$lang);
118 /* Preset current main base */
119 if(!session::global_is_set('CurrentMainBase')){
120 session::global_set('CurrentMainBase',get_base_from_people($ui->dn));
121 }
123 putenv("LANGUAGE=");
124 putenv("LANG=$lang");
125 setlocale(LC_ALL, $lang);
126 $GLOBALS['t_language']= $lang;
127 $GLOBALS['t_gettext_message_dir'] = $BASE_DIR.'/locale/';
129 /* Check if the config is up to date */
130 $config->check_config_version();
132 /* Set the text domain as 'messages' */
133 $domain = 'messages';
134 bindtextdomain($domain, LOCALE_DIR);
135 textdomain($domain);
136 @DEBUG (DEBUG_TRACE, __LINE__, __FUNCTION__, __FILE__, $lang, "Setting language to");
138 /* Prepare plugin list */
139 if (!session::global_is_set('plist')){
140 /* Initially load all classes */
141 $class_list= get_declared_classes();
142 foreach ($class_mapping as $class => $path){
143 if (!in_array($class, $class_list)){
144 if (is_readable("$BASE_DIR/$path")){
145 require_once("$BASE_DIR/$path");
146 } else {
147 msg_dialog::display(_("Fatal error"),
148 sprintf(_("Cannot locate file '%s' - please run '%s' to fix this"),
149 "$BASE_DIR/$path", "<b>update-gosa</b>"), FATAL_ERROR_DIALOG);
150 exit;
151 }
152 }
153 }
155 session::global_set('plist', new pluglist($config, $ui));
157 /* Load ocMapping into userinfo */
158 $tmp= new acl($config, NULL, $ui->dn);
159 $ui->ocMapping= $tmp->ocMapping;
160 session::global_set('ui',$ui);
161 }
162 $plist= session::global_get('plist');
164 /* Check for register globals */
165 if (isset($global_check) && $config->get_cfg_value("forceglobals") == "true"){
166 msg_dialog::display(
167 _("PHP configuration"),
168 _("FATAL: Register globals is on. GOsa will refuse to login unless this is fixed by an administrator."),
169 FATAL_ERROR_DIALOG);
171 new log("security","login","",array(),"Register globals is on. For security reasons, this should be turned off.") ;
172 session::destroy ();
173 exit;
174 }
176 /* Check Plugin variable */
177 if (session::global_is_set('plugin_dir')){
178 $old_plugin_dir= session::global_get('plugin_dir');
179 } else {
180 $old_plugin_dir= "";
181 }
183 /* reload navigation if language changed*/
184 if($reload_navigation){
185 $plist->menu="";
186 }
187 $plist->gen_headlines();
188 $plist->gen_menu();
190 /* check if we are using account expiration */
191 $smarty->assign("hideMenus", FALSE);
192 if ($config->get_cfg_value("handleExpiredAccounts") == "true"){
193 $expired= ldap_expired_account($config, $ui->dn, $ui->username);
194 if ($expired == 2){
196 // The users password is about to xpire soon, display a warning message.
197 new log("security","gosa","",array(),"password for user \"$ui->username\" is about to expire") ;
198 msg_dialog::display(_("Password change"), _("Your password is about to expire, please change your password!"), INFO_DIALOG);
199 } elseif ($expired == 3){
201 // The password is expired, we are now going to enforce a new one from the user.
203 // Hide the GOsa menus to avoid leaving the enforced password change dialog.
204 $smarty->assign("hideMenus", TRUE);
205 $plug = (isset($_GET['plug'])) ? $_GET['plug'] : null;
207 // Search for the 'password' class and set its id as active plug.
208 foreach ($plist->dirlist as $key => $value){
209 if (preg_match("/\bpassword\b/i",$value)){
210 if($plug != $key) {
211 $_GET['plug'] = $key;
212 }
213 break;
214 }
215 }
216 }
217 }
220 if (isset($_GET['plug']) && $plist->plugin_access_allowed($_GET['plug'])){
221 $plug= validate($_GET['plug']);
222 $plugin_dir= $plist->get_path($plug);
223 session::global_set('plugin_dir',$plugin_dir);
224 if ($plugin_dir == ""){
225 new log("security","gosa","",array(),"main.php called with invalid plug parameter \"$plug\"") ;
226 header ("Location: logout.php");
227 exit;
228 }
229 } else {
231 /* set to welcome page as default plugin */
232 session::global_set('plugin_dir',"welcome");
233 $plugin_dir= "$BASE_DIR/plugins/generic/welcome";
234 }
236 /* Handle plugin locks.
237 - Remove the plugin from session if we switched to another. (cleanup)
238 - Remove all created locks if "reset" was posted.
239 - Remove all created locks if we switched to another plugin.
240 */
241 $cleanup = FALSE;
242 $remove_lock= FALSE;
244 /* Check if we have changed the selected plugin
245 */
246 if($old_plugin_dir != $plugin_dir && $old_plugin_dir != ""){
247 if (is_file("$old_plugin_dir/main.inc")){
248 $cleanup = $remove_lock = TRUE;
249 require ("$old_plugin_dir/main.inc");
250 $cleanup = $remove_lock = FALSE;
251 }
252 }else // elseif
254 /* Reset was posted, remove all created locks for the current plugin
255 */
256 if((isset($_GET['reset']) && $_GET['reset'] == 1) || isset($_POST['delete_lock'])){
257 $remove_lock = TRUE;
258 }
260 /* Check for sizelimits */
261 eval_sizelimit();
263 /* Check for memory */
264 if (function_exists("memory_get_usage")){
265 if (memory_get_usage() > (to_byte(ini_get('memory_limit')) - 2048000 )){
266 msg_dialog::display(_("Configuration error"), _("Running out of memory!"), WARNING_DIALOG);
267 }
268 }
270 /* Redirect on back event */
271 if ($_SERVER["REQUEST_METHOD"] == "POST"){
273 /* Look for button events that match /^back[0-9]+$/,
274 extract the number and step the correct plugin. */
275 foreach ($_POST as $key => $value){
276 if (preg_match("/^back[0-9]+$/", $key)){
277 $back= substr($key, 4);
278 header ("Location: main.php?plug=$back");
279 exit;
280 }
281 }
282 }
284 /* Redirect on password back event */
285 if ($_SERVER["REQUEST_METHOD"] == "POST" && isset($_POST['password_back'])){
286 header ("Location: main.php");
287 exit;
288 }
290 /* Check for multiple windows logout */
291 if ($_SERVER["REQUEST_METHOD"] == "POST"){
292 if (isset($_POST['reset_session'])){
293 header ("Location: logout.php");
294 exit;
295 }
296 }
299 /* Load department list when plugin has changed. That is some kind of
300 compromise between speed and beeing up to date */
301 if (isset($_GET['reset'])){
302 set_object_info();
303 }
305 /* show web frontend */
306 $smarty->assign ("date", date("l, dS F Y H:i:s O"));
307 $smarty->assign ("lang", preg_replace('/_.*$/', '', $lang));
308 $smarty->assign ("must", "<font class=\"must\">*</font>");
309 if (isset($plug)){
310 $plug= "?plug=$plug";
311 } else {
312 $plug= "";
313 }
314 if (session::global_get('js')==FALSE){
315 $smarty->assign("javascript", "false");
316 $smarty->assign("help_method", "href='helpviewer.php$plug' target='_blank'");
317 } else {
318 $smarty->assign("javascript", "true");
319 $smarty->assign("help_method"," onclick=\"return popup('helpviewer.php$plug','GOsa help');\"");
320 }
322 if($ui->ignore_acl_for_current_user()){
323 $smarty->assign ("username", "<font color='#FF0000';>"._("User ACL checks disabled")."</font> ".$ui->username);
324 }else{
325 $smarty->assign ("username", $ui->username);
326 }
327 $smarty->assign ("go_logo", get_template_path('images/go_logo.png'));
328 $smarty->assign ("go_base", get_template_path('images/dtree.png'));
329 $smarty->assign ("go_home", get_template_path('images/gohome.png'));
330 $smarty->assign ("go_out", get_template_path('images/logout.png'));
331 $smarty->assign ("go_top", get_template_path('images/go_top.png'));
332 $smarty->assign ("go_corner", get_template_path('images/go_corner.png'));
333 $smarty->assign ("go_left", get_template_path('images/go_left.png'));
334 $smarty->assign ("go_help", get_template_path('images/help.png'));
336 $smarty->assign ("menu", $plist->menu);
337 $smarty->assign ("plug", "$plug");
339 $smarty->assign("iePngWorkaround", $config->get_cfg_value("iePngWorkaround","false" ) == "true");
340 $smarty->assign("usePrototype", "false");
342 /* React on clicks */
343 if ($_SERVER["REQUEST_METHOD"] == "POST"){
344 if (isset($_POST['delete_lock']) || isset($_POST['open_readonly'])){
346 /* Set old Post data */
347 if(session::global_is_set('LOCK_VARS_USED_GET')){
348 foreach(session::global_get('LOCK_VARS_USED_GET') as $name => $value){
349 $_GET[$name] = $value;
350 }
351 }
352 if(session::global_is_set('LOCK_VARS_USED_POST')){
353 foreach(session::global_get('LOCK_VARS_USED_POST') as $name => $value){
354 $_POST[$name] = $value;
355 }
356 }
357 if(session::global_is_set('LOCK_VARS_USED_REQUEST')){
358 foreach(session::global_get('LOCK_VARS_USED_REQUEST') as $name => $value){
359 $_REQUEST[$name] = $value;
360 }
361 }
362 }
363 }
365 /* Load plugin */
366 if (is_file("$plugin_dir/main.inc")){
367 $display ="";
368 require ("$plugin_dir/main.inc");
369 } else {
370 msg_dialog::display(
371 _("Plugin"),
372 sprintf(_("FATAL: Cannot find any plugin definitions for plugin '%s'!"), $plug),
373 FATAL_ERROR_DIALOG);
374 exit();
375 }
378 /* Print_out last ErrorMessage repeated string. */
379 $smarty->assign("msg_dialogs", msg_dialog::get_dialogs());
380 $smarty->assign("contents", $display);
382 /* If there's some post, take a look if everything is there... */
383 if (isset($_POST) && count($_POST)){
384 if (!isset($_POST['php_c_check'])){
385 msg_dialog::display(
386 _("Configuration Error"),
387 sprintf(_("FATAL: not all POST variables have been transfered by PHP - please inform your administrator!")),
388 FATAL_ERROR_DIALOG);
389 exit();
390 }
391 }
393 /* Assign erros to smarty */
394 if (session::is_set('errors')){
395 $smarty->assign("errors", session::get('errors'));
396 }
397 if ($error_collector != ""){
398 $smarty->assign("php_errors", preg_replace("/%BUGBODY%/",$error_collector_mailto,$error_collector)."</div>");
399 } else {
400 $smarty->assign("php_errors", "");
401 }
403 /* Set focus to the error button if we've an error message */
404 $focus= "";
405 if (session::is_set('errors') && session::get('errors') != ""){
406 $focus= '<script language="JavaScript" type="text/javascript">';
407 $focus.= 'document.forms[0].error_accept.focus();';
408 $focus.= '</script>';
409 }
411 $focus= '<script language="JavaScript" type="text/javascript">';
412 $focus.= 'next_msg_dialog();';
413 $focus.= '</script>';
414 $smarty->assign("focus", $focus);
416 /* Set channel if needed */
417 #TODO: * move all global session calls to global_
418 # * create a new channel where needed (mostly management dialogues)
419 # * remove regulary created channels when not needed anymore
420 # * take a look at external php calls (i.e. get fax, ldif, etc.)
421 # * handle aborted sessions (by pressing anachors i.e. Main, Menu, etc.)
422 # * check lock removals, is "dn" global or not in this case?
423 # * last page request -> global or not?
424 # * check that filters are still global
425 # * maxC global?
426 if (isset($_POST['_channel_'])){
427 echo "DEBUG - current channel: ".$_POST['_channel_'];
428 $smarty->assign("channel", $_POST['_channel_']);
429 } else {
430 $smarty->assign("channel", "");
431 }
433 $display= "<!-- headers.tpl-->".$smarty->fetch(get_template_path('headers.tpl')).
434 $smarty->fetch(get_template_path('framework.tpl'));
436 /* Save dialog filters and selected base in a cookie.
437 So we may be able to restore the filter an base settings on reload.
438 */
439 $cookie = array();
441 if(isset($_COOKIE['GOsa_Filter_Settings'])){
442 $cookie = unserialize(base64_decode($_COOKIE['GOsa_Filter_Settings']));
443 }elseif(isset($HTTP_COOKIE_VARS['GOsa_Filter_Settings'])){
444 $cookie = unserialize(base64_decode($HTTP_COOKIE_VARS['GOsa_Filter_Settings']));
445 }
447 /* Save filters? */
448 if($config->get_cfg_value("storeFilterSettings") == "true"){
449 $cookie_vars = array("MultiDialogFilters","CurrentMainBase");
450 foreach($cookie_vars as $var){
451 if(session::global_is_set($var)){
452 $cookie[$ui->dn][$var] = session::global_get($var);
453 }
454 }
455 if(isset($_GET['plug'])){
456 $cookie[$ui->dn]['plug'] = $_GET['plug'];
457 }
458 @setcookie("GOsa_Filter_Settings",base64_encode(serialize($cookie)),time() + (60*60*24));
459 }
461 /* Show page... */
462 echo $display;
464 /* Save plist and config */
465 session::global_set('plist',$plist);
466 session::global_set('config',$config);
467 session::set('errorsAlreadyPosted',array());
469 // vim:tabstop=2:expandtab:shiftwidth=2:filetype=php:syntax:ruler:
470 ?>