1 <?php
2 /*
3 This code is part of GOsa (https://gosa.gonicus.de)
4 Copyright (C) 2003 Cajus Pollmeier
6 This program is free software; you can redistribute it and/or modify
7 it under the terms of the GNU General Public License as published by
8 the Free Software Foundation; either version 2 of the License, or
9 (at your option) any later version.
11 This program is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 GNU General Public License for more details.
16 You should have received a copy of the GNU General Public License
17 along with this program; if not, write to the Free Software
18 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
19 */
21 /* Basic setup, remove eventually registered sessions */
22 $timing= array();
23 require_once ("../include/php_setup.inc");
24 require_once ("functions.inc");
25 header("Content-type: text/html; charset=UTF-8");
27 /* Find all class files and include them */
28 get_dir_list("$BASE_DIR/plugins");
30 /* Set the text domain as 'messages' */
31 $domain = 'messages';
32 bindtextdomain($domain, "$BASE_DIR/locale");
33 textdomain($domain);
35 /* Set cookie lifetime to one day */
36 session_set_cookie_params(24*60*60);
38 /* Remember everything we did after the last click */
39 session_start ();
42 if ($_SERVER["REQUEST_METHOD"] == "POST"){
43 @DEBUG (DEBUG_POST, __LINE__, __FUNCTION__, __FILE__, $_POST, "_POST");
44 }
45 @DEBUG (DEBUG_POST, __LINE__, __FUNCTION__, __FILE__, $_SESSION, "_SESSION");
47 /* Logged in? Simple security check */
48 if (!isset($_SESSION['config'])){
49 gosa_log ("main.php called without session - logging out");
50 header ("Location: logout.php");
51 exit;
52 }
54 /* Reset errors */
55 $_SESSION['errors']= "";
57 /* Check for uniqe ip address */
58 $ui= $_SESSION["ui"];
59 if ($_SERVER['REMOTE_ADDR'] != $ui->ip){
60 gosa_log ("main.php called with session which has a changed IP address.", 3);
61 header ("Location: logout.php");
62 exit;
63 }
64 $config= $_SESSION['config'];
67 /* Check for invalid sessions */
68 if(empty($_SESSION['_LAST_PAGE_REQUEST'])){
69 $_SESSION['_LAST_PAGE_REQUEST']= time();
70 }else{
72 /* check GOsa.conf for defined session lifetime */
73 if(isset($config->data['MAIN']['SESSION_LIFETIME'])){
74 $max_life = $config->data['MAIN']['SESSION_LIFETIME'];
75 }else{
76 $max_life = 60*60*2;
77 }
79 /* get time difference between last page reload */
80 $request_time = (time()-$_SESSION['_LAST_PAGE_REQUEST']);
82 /* If page wasn't reloaded for more than max_life seconds
83 * kill session
84 */
85 if($request_time > $max_life){
86 session_unset();
87 gosa_log ("main.php called without session - logging out");
88 header ("Location: logout.php");
89 exit;
90 }
91 // echo "Session was ".$request_time." s inactive";
92 $_SESSION['_LAST_PAGE_REQUEST'] = time();
93 }
96 @DEBUG (DEBUG_CONFIG, __LINE__, __FUNCTION__, __FILE__, $config->data, "config");
98 /* Set template compile directory */
99 if (isset ($config->data['MAIN']['COMPILE'])){
100 $smarty->compile_dir= $config->data['MAIN']['COMPILE'];
101 } else {
102 $smarty->compile_dir= '/var/spool/gosa/';
103 }
105 /* Set default */
106 $reload_navigation = false;
108 /* Set last initialised language to current, browser settings */
109 if((!isset($_SESSION['Last_init_lang']))){
110 $reload_navigation = true;
111 $_SESSION['Last_init_lang'] = get_browser_language();
112 }
114 /* Language setup */
115 if ($config->data['MAIN']['LANG'] == ""){
117 /* If last language != current force navi reload */
118 if($_SESSION['Last_init_lang'] != get_browser_language()){
119 $reload_navigation = true;
120 }
121 $lang= get_browser_language();
122 $_SESSION['Last_init_lang'] = $lang;
123 } else {
124 $lang= $config->data['MAIN']['LANG'];
125 }
127 $lang.=".UTF-8";
128 putenv("LANGUAGE=");
129 putenv("LANG=$lang");
130 setlocale(LC_ALL, $lang);
131 $GLOBALS['t_language']= $lang;
132 $GLOBALS['t_gettext_message_dir'] = $BASE_DIR.'/locale/';
134 /* Set the text domain as 'messages' */
135 $domain = 'messages';
136 bindtextdomain($domain, "$BASE_DIR/locale");
137 textdomain($domain);
138 @DEBUG (DEBUG_TRACE, __LINE__, __FUNCTION__, __FILE__, $lang, "Setting language to");
140 /* Prepare plugin list */
141 if (!isset($_SESSION['plist'])){
142 $_SESSION['plist']= new pluglist($config, $ui);
143 }
144 $plist= $_SESSION['plist'];
146 /* Check for register globals */
147 if (isset($global_check) && $config->data['MAIN']['FORCEGLOBALS'] == 'true'){
148 print_red (_("Register globals is on. GOsa will refuse to login unless this is fixed by an administrator."));
149 echo $_SESSION['errors'];
150 gosa_log ("Register globals is on. For security reasons, this should be turned off.");
151 session_destroy ();
152 exit ();
153 }
155 /* Check Plugin variable */
156 if (isset($_SESSION['plugin_dir'])){
157 $old_plugin_dir= $_SESSION['plugin_dir'];
158 } else {
159 $old_plugin_dir= "";
160 }
161 if (isset($_GET['plug'])){
162 $plug= validate($_GET['plug']);
163 $plugin_dir= $plist->get_path($plug);
164 $_SESSION['plugin_dir']= $plugin_dir;
165 if ($plugin_dir == ""){
166 gosa_log ("main.php called with invalid plug parameter \"$plug\"", 3);
167 header ("Location: logout.php");
168 exit;
169 }
170 } else {
171 /* set to welcome page as default plugin */
172 $_SESSION['plugin_dir']= "welcome";
173 $plugin_dir= "$BASE_DIR/plugins/generic/welcome";
174 }
176 /* Check if we need to delete a lock */
177 if ($old_plugin_dir != $plugin_dir){
178 if (is_file("$old_plugin_dir/main.inc")){
179 $remove_lock= true;
180 require_once ("$old_plugin_dir/main.inc");
181 }
182 }
183 $remove_lock= false;
185 /* Check for sizelimits */
186 eval_sizelimit();
188 /* Check for memory */
189 if (function_exists("memory_get_usage")){
190 if (memory_get_usage() > (to_byte(ini_get('memory_limit')) - 2048000 )){
191 print_red(_("Warning: memory is getting low - please increase the memory_limit!"));
192 }
193 }
195 /* Redirect on back event */
196 if ($_SERVER["REQUEST_METHOD"] == "POST"){
198 /* Look for button events that match /^back[0-9]+$/,
199 extract the number and step the correct plugin. */
200 foreach ($_POST as $key => $value){
201 if (preg_match("/^back[0-9]+$/", $key)){
202 $back= substr($key, 4);
203 header ("Location: main.php?plug=$back");
204 exit;
205 }
206 }
207 }
209 /* Redirect on password back event */
210 if ($_SERVER["REQUEST_METHOD"] == "POST" && isset($_POST['password_back'])){
211 header ("Location: main.php");
212 exit;
213 }
215 /* Check for multiple windows logout */
216 if ($_SERVER["REQUEST_METHOD"] == "POST"){
217 if (isset($_POST['reset_session'])){
218 header ("Location: logout.php");
219 exit;
220 }
222 if (isset($_POST['cancel_lock'])){
223 unset ($_SESSION['dn']);
224 }
225 }
228 /* Load department list when plugin has changed. That is some kind of
229 compromise between speed and beeing up to date */
230 if (isset($_GET['reset'])){
231 $config->departments= get_departments();
232 $config->make_idepartments ();
233 if (isset($_SESSION['objectinfo'])){
234 unset ($_SESSION['objectinfo']);
235 }
236 }
238 /* Install eGOsa hooks, convert _POST to _SESSION['POST'] */
239 if(isset($_GET['explorer'])){
240 $_SESSION{'eGosa'}=1;
241 }
242 if(isset($_SESSION['POST'])){
243 $_SERVER["REQUEST_METHOD"] = "POST";
244 foreach ($_SESSION['POST'] as $key => $dummy){
245 $_POST[$key]=$_SESSION['POST'][$key];
246 }
247 unset($_SESSION['POST']);
248 }
250 /* show web frontend */
251 $smarty->assign ("date", date("l, dS F Y H:i:s O"));
252 $smarty->assign ("must", "<font class=\"must\">*</font>");
253 if (isset($plug)){
254 $plug= "?plug=$plug";
255 } else {
256 $plug= "";
257 }
258 if ($_SESSION['js']==FALSE){
259 $smarty->assign("javascript", "false");
260 $smarty->assign("help_method", "href='helpviewer.php$plug' target='_blank'");
261 } else {
262 $smarty->assign("javascript", "true");
263 $smarty->assign("help_method"," onclick=\"return popup('helpviewer.php$plug','GOsa help');\"");
264 }
266 $smarty->assign ("username", $ui->username);
267 $smarty->assign ("go_logo", get_template_path('images/go_logo.png'));
268 $smarty->assign ("go_base", get_template_path('images/dtree.png'));
269 $smarty->assign ("go_home", get_template_path('images/gohome.png'));
270 $smarty->assign ("go_out", get_template_path('images/stop.png'));
271 $smarty->assign ("go_top", get_template_path('images/go_top.png'));
272 $smarty->assign ("go_corner", get_template_path('images/go_corner.png'));
273 $smarty->assign ("go_left", get_template_path('images/go_left.png'));
274 $smarty->assign ("go_help", get_template_path('images/help.png'));
276 /* reload navigation if language changed*/
277 if($reload_navigation){
278 $plist->menu="";;
279 }
280 $plist->gen_headlines();
281 $plist->gen_menu();
282 $smarty->assign ("menu", $plist->menu);
283 $smarty->assign ("plug", "$plug");
285 $header= "<!-- headers.tpl-->".$smarty->fetch(get_template_path('headers.tpl'));
288 /* React on clicks */
289 if ($_SERVER["REQUEST_METHOD"] == "POST"){
291 /* 'delete_lock' is set by the lock removal dialog. We should remove the
292 lock at this point globally. Plugins do not need to remove it. */
293 if (isset($_POST['delete_lock']) && isset($_SESSION['dn'])){
294 del_lock ($_SESSION['dn']);
295 sess_del ('dn');
296 }
299 /* I don't want multiple browser windows open. One way to check it is
300 to count a hidden field and warn the user if SESSION and INPUT count
301 differ. */
302 if (isset($_POST['session_cnt'])){
303 if ($_POST['session_cnt'] != $_SESSION['session_cnt']){
304 $smarty->display(get_template_path('conflict.tpl'));
305 exit ();
306 }
307 $_SESSION['session_cnt']= $_SESSION['session_cnt'] + 1;
308 $_SESSION['post_cnt']= validate($_POST['session_cnt']) + 1;
309 }
310 }
312 /* Only generate hidden click counter, if post_cnt is defined */
313 if (isset ($_SESSION['post_cnt'])){
314 echo "<input type=\"hidden\" name=\"session_cnt\" value=\"".$_SESSION['post_cnt']."\">\n";
315 }
317 /* Load plugin */
318 if (is_file("$plugin_dir/main.inc")){
319 require_once ("$plugin_dir/main.inc");
320 } else {
321 print_red(sprintf(_("Can't find any plugin definitions for plugin '%s'!"), $plug));
322 echo $_SESSION['errors'];
323 exit();
324 }
326 /* Close div/tables */
327 $smarty->assign("contents", $display);
328 if (isset($_SESSION['errors'])){
329 $smarty->assign("errors", $_SESSION['errors']);
330 }
331 if ($error_collector != ""){
332 $smarty->assign("php_errors", $error_collector."</div>");
333 } else {
334 $smarty->assign("php_errors", "");
335 }
336 $display= $header.$smarty->fetch(get_template_path('framework.tpl'));
338 if ((isset($config->data['MAIN']['W3CTEST']) && preg_match('/true/i', $config->data['MAIN']['W3CTEST']))&&(!empty($display))&&(is_callable("tidy_parse_string"))) {
339 tidy_parse_string(utf8_decode($display));
340 $err = nl2br(htmlentities(tidy_get_error_buffer()));
342 if($err){
343 echo "<table summary=\"\" width=\"100%\" style='background-color:#E0E0E0;border-bottom:1px solid black'><tr><td><img alt=\"W3C\" align=\"middle\" src='images/warning.png'> <font style='font-size:14px;font-weight:bold'>"._("Generating this page caused the W3C conformance checker to raise some errors!")."</font></td><td align=right><button onClick='toggle(\"w3cbox\")'>"._("Toggle information")."</ button></td></tr></table><div id='w3cbox' style='width:100%; position:absolute; z-index:0; visibility: hidden; background-color:white; border- bottom:1px solid black;'>";
344 echo $err."</div>";
345 }
347 tidy_clean_repair($display);
348 }
350 /* Show page... */
351 echo $display;
353 /* Save plist */
354 $_SESSION['plist']= $plist;
356 // vim:tabstop=2:expandtab:shiftwidth=2:filetype=php:syntax:ruler:
357 ?>