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($domain);
38 /* Remember everything we did after the last click */
39 session::start();
40 session::set('errorsAlreadyPosted',array());
41 session::set('runtime_cache',array());
42 session::set('limit_exceeded',FALSE);
44 if ($_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::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 $ui= session::get('ui');
58 if ($_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::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::get('_LAST_PAGE_REQUEST') == ""){
73 session::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 $request_time = (time()- session::get('_LAST_PAGE_REQUEST'));
82 /* If page wasn't reloaded for more than max_life seconds
83 * kill session
84 */
85 if($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::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::is_set('Last_init_lang')){
105 $reload_navigation = true;
106 session::set('Last_init_lang',get_browser_language());
107 }
109 /* If last language != current force navi reload */
110 $lang= get_browser_language();
111 if(session::get('Last_init_lang') != $lang){
112 $reload_navigation = true;
113 }
115 /* Language setup */
116 session::set('Last_init_lang',$lang);
118 /* Preset current main base */
119 if(!session::is_set('CurrentMainBase')){
120 session::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::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/$path", "<b>update-gosa</b>"), FATAL_ERROR_DIALOG);
150 exit;
151 }
152 }
153 }
155 session::set('plist', new pluglist($config, $ui));
157 /* Load ocMapping into userinfo */
158 $tmp= new acl($config, NULL, $ui->dn);
159 $ui->ocMapping= $tmp->ocMapping;
160 session::set('ui',$ui);
161 }
162 $plist= session::get('plist');
164 /* Check for register globals */
165 if (isset($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::is_set('plugin_dir')){
178 $old_plugin_dir= session::get('plugin_dir');
179 } else {
180 $old_plugin_dir= "";
181 }
182 if (isset($_GET['plug']) && $plist->plugin_access_allowed($_GET['plug'])){
183 $plug= validate($_GET['plug']);
184 $plugin_dir= $plist->get_path($plug);
185 session::set('plugin_dir',$plugin_dir);
186 if ($plugin_dir == ""){
187 new log("security","gosa","",array(),"main.php called with invalid plug parameter \"$plug\"") ;
188 header ("Location: logout.php");
189 exit;
190 }
191 } else {
193 /* set to welcome page as default plugin */
194 session::set('plugin_dir',"welcome");
195 $plugin_dir= "$BASE_DIR/plugins/generic/welcome";
196 }
198 /* Check if we need to delete a lock */
199 if ($old_plugin_dir != $plugin_dir && $old_plugin_dir != ""){
200 if (is_file("$old_plugin_dir/main.inc")){
201 $remove_lock= true;
202 require_once ("$old_plugin_dir/main.inc");
203 }
204 }
205 $remove_lock= false;
207 /* Check for sizelimits */
208 eval_sizelimit();
210 /* Check for memory */
211 if (function_exists("memory_get_usage")){
212 if (memory_get_usage() > (to_byte(ini_get('memory_limit')) - 2048000 )){
213 msg_dialog::display(_("Configuration error"), _("Running out of memory!"), WARNING_DIALOG);
214 }
215 }
217 /* Redirect on back event */
218 if ($_SERVER["REQUEST_METHOD"] == "POST"){
220 /* Look for button events that match /^back[0-9]+$/,
221 extract the number and step the correct plugin. */
222 foreach ($_POST as $key => $value){
223 if (preg_match("/^back[0-9]+$/", $key)){
224 $back= substr($key, 4);
225 header ("Location: main.php?plug=$back");
226 exit;
227 }
228 }
229 }
231 /* Redirect on password back event */
232 if ($_SERVER["REQUEST_METHOD"] == "POST" && isset($_POST['password_back'])){
233 header ("Location: main.php");
234 exit;
235 }
237 /* Check for multiple windows logout */
238 if ($_SERVER["REQUEST_METHOD"] == "POST"){
239 if (isset($_POST['reset_session'])){
240 header ("Location: logout.php");
241 exit;
242 }
244 if (isset($_POST['cancel_lock'])){
245 session::un_set('dn');
246 }
247 }
250 /* Load department list when plugin has changed. That is some kind of
251 compromise between speed and beeing up to date */
252 if (isset($_GET['reset'])){
253 if (session::is_set('objectinfo')){
254 session::un_set('objectinfo');
255 }
256 }
258 /* Install eGOsa hooks, convert _POST to session */
259 if(isset($_GET['explorer'])){
260 session::set('eGosa',TRUE);
261 }
262 if(session::is_set('POST')){
263 $_SERVER["REQUEST_METHOD"] = "POST";
264 foreach (session::get('POST') as $key => $dummy){
265 $_POST[$key]= $dummy;
266 }
267 session::un_set('POST');
268 }
270 /* show web frontend */
271 $smarty->assign ("date", date("l, dS F Y H:i:s O"));
272 $smarty->assign ("must", "<font class=\"must\">*</font>");
273 if (isset($plug)){
274 $plug= "?plug=$plug";
275 } else {
276 $plug= "";
277 }
278 if (session::get('js')==FALSE){
279 $smarty->assign("javascript", "false");
280 $smarty->assign("help_method", "href='helpviewer.php$plug' target='_blank'");
281 } else {
282 $smarty->assign("javascript", "true");
283 $smarty->assign("help_method"," onclick=\"return popup('helpviewer.php$plug','GOsa help');\"");
284 }
286 if($ui->ignore_acl_for_current_user()){
287 $smarty->assign ("username", "<font color='#FF0000';>"._("User ACL checks disabled")."</font> ".$ui->username);
288 }else{
289 $smarty->assign ("username", $ui->username);
290 }
291 $smarty->assign ("go_logo", get_template_path('images/go_logo.png'));
292 $smarty->assign ("go_base", get_template_path('images/dtree.png'));
293 $smarty->assign ("go_home", get_template_path('images/gohome.png'));
294 $smarty->assign ("go_out", get_template_path('images/logout.png'));
295 $smarty->assign ("go_top", get_template_path('images/go_top.png'));
296 $smarty->assign ("go_corner", get_template_path('images/go_corner.png'));
297 $smarty->assign ("go_left", get_template_path('images/go_left.png'));
298 $smarty->assign ("go_help", get_template_path('images/help.png'));
300 /* reload navigation if language changed*/
301 if($reload_navigation){
302 $plist->menu="";
303 }
304 $plist->gen_headlines();
305 $plist->gen_menu();
306 $smarty->assign ("menu", $plist->menu);
307 $smarty->assign ("plug", "$plug");
309 $header= "<!-- headers.tpl-->".$smarty->fetch(get_template_path('headers.tpl'));
311 /* React on clicks */
312 if ($_SERVER["REQUEST_METHOD"] == "POST"){
314 /* 'delete_lock' is set by the lock removal dialog. We should remove the
315 lock at this point globally. Plugins do not need to remove it. */
316 if (isset($_POST['delete_lock']) && session::is_set('dn')){
317 del_lock (session::get('dn'));
319 }
320 if (isset($_POST['delete_lock']) || isset($_POST['open_readonly'])){
322 /* Set old Post data */
323 if(session::is_set('LOCK_VARS_USED')){
324 foreach(session::get('LOCK_VARS_USED') as $name => $value){
325 $_GET[$name] = $value;
326 $_POST[$name] = $value;
327 }
328 }
329 session::un_set ('dn');
330 }
333 /* I don't want multiple browser windows open. One way to check it is
334 to count a hidden field and warn the user if SESSION and INPUT count
335 differ. */
336 if (isset($_POST['session_cnt'])){
337 if ($_POST['session_cnt'] != session::get('session_cnt')){
338 $smarty->display(get_template_path('conflict.tpl'));
339 exit ();
340 }
341 session::set('session_cnt', (session::get('session_cnt') + 1));
342 session::set('post_cnt' , validate($_POST['session_cnt']) + 1);
343 }
344 }
346 /* Only generate hidden click counter, if post_cnt is defined */
347 if (session::is_set('post_cnt')){
348 echo "<input type=\"hidden\" name=\"session_cnt\" value=\"".session::get('post_cnt')."\">\n";
349 }
351 /* check if we are using account expiration */
352 if ($config->get_cfg_value("handleExpiredAccounts") == "true"){
353 $expired= ldap_expired_account($config, $ui->dn, $ui->username);
355 if ($expired == 2){
356 new log("security","gosa","",array(),"password for user \"$ui->username\" is about to expire") ;
357 msg_dialog::display(_("Password change"), _("Your password is about to expire, please change your password!"), INFO_DIALOG);
358 }
359 }
361 /* Load plugin */
362 if (is_file("$plugin_dir/main.inc")){
363 require_once ("$plugin_dir/main.inc");
364 } else {
365 msg_dialog::display(
366 _("Plugin"),
367 sprintf(_("FATAL: Cannot find any plugin definitions for plugin '%s'!"), $plug),
368 FATAL_ERROR_DIALOG);
369 exit();
370 }
373 /* Print_out last ErrorMessage repeated string. */
374 $smarty->assign("msg_dialogs", msg_dialog::get_dialogs());
375 $smarty->assign("contents", $display);
377 /* If there's some post, take a look if everything is there... */
378 if (isset($_POST) && count($_POST)){
379 if (!isset($_POST['php_c_check'])){
380 msg_dialog::display(
381 _("Configuration Error"),
382 sprintf(_("FATAL: not all POST variables have been transfered by PHP - please inform your administrator!")),
383 FATAL_ERROR_DIALOG);
384 exit();
385 }
386 }
388 /* Assign erros to smarty */
389 if (session::is_set('errors')){
390 $smarty->assign("errors", session::get('errors'));
391 }
392 if ($error_collector != ""){
393 $smarty->assign("php_errors", preg_replace("/%BUGBODY%/",$error_collector_mailto,$error_collector)."</div>");
394 } else {
395 $smarty->assign("php_errors", "");
396 }
398 /* Set focus to the error button if we've an error message */
399 $focus= "";
400 if (session::is_set('errors') && session::get('errors') != ""){
401 $focus= '<script language="JavaScript" type="text/javascript">';
402 $focus.= 'document.forms[0].error_accept.focus();';
403 $focus.= '</script>';
404 }
406 $focus= '<script language="JavaScript" type="text/javascript">';
407 $focus.= 'next_msg_dialog();';
408 $focus.= '</script>';
409 $smarty->assign("focus", $focus);
411 $display= $header.$smarty->fetch(get_template_path('framework.tpl'));
413 /* Save dialog filters and selected base in a cookie.
414 So we may be able to restore the filter an base settings on reload.
415 */
416 $cookie = array();
418 if(isset($_COOKIE['GOsa_Filter_Settings'])){
419 $cookie = unserialize(base64_decode($_COOKIE['GOsa_Filter_Settings']));
420 }elseif(isset($HTTP_COOKIE_VARS['GOsa_Filter_Settings'])){
421 $cookie = unserialize(base64_decode($HTTP_COOKIE_VARS['GOsa_Filter_Settings']));
422 }
424 /* Save filters? */
425 if($config->get_cfg_value("storeFilterSettings") == "true"){
426 $cookie_vars = array("MultiDialogFilters","CurrentMainBase");
427 foreach($cookie_vars as $var){
428 if(session::is_set($var)){
429 $cookie[$ui->dn][$var] = session::get($var);
430 }
431 }
432 if(isset($_GET['plug'])){
433 $cookie[$ui->dn]['plug'] = $_GET['plug'];
434 }
435 @setcookie("GOsa_Filter_Settings",base64_encode(serialize($cookie)),time() + (60*60*24));
436 }
438 /* Show page... */
439 echo $display;
441 /* Save plist and config */
442 session::set('plist',$plist);
443 session::set('config',$config);
444 session::set('errorsAlreadyPosted',array());
446 // vim:tabstop=2:expandtab:shiftwidth=2:filetype=php:syntax:ruler:
447 ?>