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 class pluglist
24 {
25 // The id of the last registered plugin id
26 var $index= 0;
28 var $config= NULL;
29 var $ui= NULL;
31 // Contains a list of the paths for all registered plugins.
32 var $dirlist= array();
34 // Seems to be used in the help menu to generate an overview.
35 var $headlines = array();
36 // Remember stuff in here.
37 var $silly_cache= array();
39 // The pluglist keeps track of all registered plugins.
40 // (Registered plugins are those we are able to access)
41 var $pluginList = array();
43 // Some cache vars to avoid regenration of the menus.
44 var $pathMenu = "";
45 var $menu= "";
46 var $iconmenu= "";
48 // Classes plInfo list
49 var $info = array();
50 var $registeredMenuEntries = array();
51 var $registeredPathEntries = array();
52 var $registeredIconEntries = array();
53 var $registeredShortCutEntries = array();
56 function getRegisteredMenuEntries ()
57 {
58 return($this->registeredMenuEntries);
59 }
62 function getRegisteredPathEntries ()
63 {
64 return($this->registeredPathEntries);
65 }
68 function getRegisteredIconEntries ()
69 {
70 return($this->registeredIconEntries);
71 }
74 function getRegisteredShortCutEntries ()
75 {
76 return($this->registeredShortCutEntries);
77 }
80 function pluglist(&$config, &$ui)
81 {
82 $this->ui= &$ui;
83 $this->config= &$config;
84 $this->loadPluginList();
85 }
87 function loadPluginList()
88 {
89 $this->pluginList = array();
91 /* Fill info part of pluglist */
92 $classes= get_declared_classes();
93 foreach ($classes as $cname){
94 $cmethods = get_class_methods($cname);
95 if (in_array_ics('plInfo',$cmethods)){
96 $this->info[$cname]= call_user_func(array($cname, 'plInfo'));
97 }
98 }
100 if(!session::is_set('maxC')){
101 session::set('maxC',"RO0K9CzEYCSAAOtOICCFhEDBKGSKANyHMKDHAEwFLNTJILwEMODJYPgMRA0F9IOPSPUKNEVCUKyDBAHNbIWFJOIP");
102 }
103 //
104 // // Now generate menu - usually they are cached
105 // $this->gen_menu();
106 // $this->show_iconmenu();
107 // $this->genPathMenu();
108 }
111 /*! \brief Tries to register a plugin in the pluglist
112 * Checks existence and ACL for the given plugin.
113 * Returns true in case of success else false.
114 */
115 function registerPlugin(&$plug)
116 {
117 global $class_mapping;
119 // Clean ACL string, we do not want any spaces or lines breaks here.
120 $plug['ACL'] = trim($plug['ACL']);
122 // Clean ACL string, we do not want any spaces or lines breaks here.
123 $acl = trim($plug['ACL']);
124 if(preg_match("/,/",$acl)){
125 $acls = explode(",",$acl);
126 }else{
127 $acls = array($acl);
128 }
129 foreach($acls as $key => $aclEntry){
130 $aclEntry = trim($aclEntry);
131 $tmp = preg_replace("/[^a-z0-9\/:]/i","",$aclEntry);
133 // Check if cleaned 'acl' tag doesn't match the configured one from the gosa.conf.
134 // Display a notification to tell the user that there is something wrong.
135 if($tmp != $aclEntry){
136 trigger_error("Please check acl='{$aclEntry}' tag for plugin '{$plug['CLASS']}' in your gosa.conf, it contains invalid characters!" );
137 }
138 $acls[$key] = $tmp;
139 }
140 $plug['ACL'] = implode(',',$acls);
143 // Check class
144 if (!isset($plug['CLASS'])){
145 msg_dialog::display(
146 _("Configuration error"),
147 _("The configuration format has changed: please run the setup again!"),
148 FATAL_ERROR_DIALOG);
149 exit();
150 }
151 if (!plugin_available($plug['CLASS'])){
152 return(FALSE);
153 }
154 if (!$this->check_access($plug['ACL'])){
155 return(FALSE);
156 }
157 $this->dirlist[$this->index] = dirname($class_mapping[$plug['CLASS']]);
158 $this->pluginList[$this->index] = $plug['CLASS'];
159 $this->index++;
160 return(TRUE);
161 }
164 /*! \brief Check whether we are allowed to modify the given acl or not..
165 * This function is used to check which plugins are visible.
166 *
167 * @param The acl tag to check for, eg. "users/user:self", "systems", ...
168 * @return Boolean TRUE on success else FALSE
169 */
170 function check_access($aclname)
171 {
172 if (isset($this->silly_cache[$aclname])) {
173 return $this->silly_cache[$aclname];
174 }
176 // Split given acl string into an array. e.g. "user,systems" => array("users","systems");
177 $acls_to_check = array();
178 if(preg_match("/,/",$aclname)){
179 $acls_to_check = explode(",",$aclname);
180 }else{
181 $acls_to_check = array($aclname);
182 }
184 foreach($acls_to_check as $acl_to_check){
186 // Remove spaces and line breaks.
187 $acl_to_check = trim($acl_to_check);
188 $acl_to_check = preg_replace("/ /","",$acl_to_check);
190 if($acl_to_check == "none"){
191 $this->silly_cache[$aclname]= TRUE;
192 return(TRUE);
193 }
195 /* Check if the given acl tag is only valid for self acl entries
196 * <plugin acl="users/user:self" class="user"...
197 */
198 if(preg_match("/:self$/",$acl_to_check)){
199 $acl_to_check = preg_replace("/:self$/","",$acl_to_check);
200 if(strpos($acl_to_check,"/")){
201 if($this->ui->get_permissions($this->ui->dn,$acl_to_check,"") != ""){
202 $this->silly_cache[$aclname]= TRUE;
203 return(TRUE);
204 }
205 }else{
206 if($this->ui->get_category_permissions($this->ui->dn,$acl_to_check,"") != ""){
207 $this->silly_cache[$aclname]= TRUE;
208 return(TRUE);
209 }
210 }
211 }else{
213 // No self acls. Check if we have any acls for the given ACL type
214 $deps = $this->ui->get_module_departments($acl_to_check,TRUE);
215 if(count($deps)){
216 $this->silly_cache[$aclname]= TRUE;
217 return TRUE;
218 }
219 }
220 }
222 $this->silly_cache[$aclname]= FALSE;
223 return (FALSE);
224 }
228 /*! \brief Generate the GOsa Main-Menu here (The menu on the left),
229 * this usually only done once during login.
230 * -----------------------------------------------------------------
231 * Do NOT add style changes here manually, use the style.css or
232 * if you prefer create your own theme!!
233 * -----------------------------------------------------------------
234 */
235 function gen_menu()
236 {
237 if ($this->menu == ""){
239 // First load the menu plugins and try to register them in the pluglist
240 // if this fails for some reason, then remove the plugin from the menu.
241 if(isset($this->config->data['MENU'])){
242 foreach($this->config->data['MENU'] as $section => $plugins){
243 foreach($plugins as $id => $plug){
244 if(!$this->registerPlugin($this->config->data['MENU'][$section][$id])){
245 unset($this->config->data['MENU'][$section][$id]);
246 }
247 }
249 // Remove empty sections
250 if(count($this->config->data['MENU'][$section]) == 0){
251 unset($this->config->data['MENU'][$section]);
252 }
253 }
254 }
256 $disabledPlugins = $this->config->configRegistry->getDisabledPlugins();
258 $cfg= $this->config->data['MENU'];
259 $menu = "";
260 foreach ($cfg as $headline => $plug){
263 if(!count($plug)) continue;
265 $menu.= "\n <div class='menu'>";
266 $menu.= "\n <ul>";
267 $menu.= "\n <li class='menu-header'>"._($headline)."</li>";
268 $id = 0;
269 foreach ($plug as $info){
271 // The Plugin has been deactivated for some reason, perhabs a missing ldap schema.
272 if(isset($disabledPlugins[$info['CLASS']])) continue;
274 // Used to detect the last element in the menu
275 $id ++;
277 list($index, $title, $desc, $icon) = $this->getPlugData($info['CLASS']);
278 $class= "";
279 if($id == count($plug)) $class=" class='menu-last' ";
280 $menu .= "\n <li id='plugMenuId_{$index}' $class onClick='return openPlugin({$index});'>".$title."</li>";
282 $this->registeredMenuEntries[] = $index;
283 }
284 $menu.= "\n </ul>";
285 $menu.= "\n <div style='font-size:0'> </div>";
286 $menu.= "\n </div>\n";
287 $menu.= "\n <div style='font-size:0'> </div>";
288 $menu.= "\n <div class='v-spacer'></div>\n";
289 }
290 if(count($this->registeredMenuEntries)){
291 $this->menu = "\n<div class='navigation'>\n{$menu}</div>";
292 }
294 // Add javascript method to print out warning messages while leaving an unsaved form.
295 // We do it in here to get the string translated.
296 $this->menu .=
297 "\n <script language='javascript' type='text/javascript'>".
298 "\n function openPlugin(id, plugin){".
299 "\n if(plugin){ ".
300 "\n plugin = '&pluginTab=' + plugin".
301 "\n }else{".
302 "\n plugin = '';".
303 "\n }".
304 "\n return question(\""._("You are currently editing a database entry. Do you want to discard the changes?")."\",".
305 "\n \"main.php?plug=\" + id + \"&reset=1\" + plugin);".
306 "\n }".
307 "\n </script>\n";
308 }
310 // Use javascript to mark the currently selected plugin.
311 $menu = $this->menu;
312 if(isset($_GET['plug'])){
313 $menu.=
314 "\n <script language='javascript' type='text/javascript'>".
315 "\n if($('plugMenuId_".$_GET['plug']."')){".
316 "\n $('plugMenuId_".$_GET['plug']."').className= 'current'".
317 "\n }".
318 "\n </script>\n";
319 }
321 // Return the generated/cached gosa menu.
322 return ($menu);
323 }
326 /*! \brief Generate the GOsa Icon-Menu here, this usually only done once during
327 * login.
328 * -----------------------------------------------------------------
329 * Do NOT add style changes here manually, use the style.css or
330 * if you prefer create your own theme!!
331 * -----------------------------------------------------------------
332 */
333 function show_iconmenu()
334 {
335 $add_hr =FALSE;
336 if ($this->iconmenu == ""){
338 $disabledPlugins = $this->config->configRegistry->getDisabledPlugins();
340 $cfg= $this->config->data['MENU'];
341 foreach ($cfg as $headline => $plug){
342 $col= 0;
344 $this->iconmenu .= "\n <div class='clear'></div>";
345 if($add_hr){
346 $add_hr = FALSE;
347 $this->iconmenu .= "\n <hr>";
348 }
349 $this->iconmenu .= "\n <h3 class='icon-menu-title'>". _($headline)."</h3>";
351 foreach ($plug as $info){
353 // Get Plugin info
354 list($index, $title, $desc, $icon) = $this->getPlugData($info['CLASS']);
355 $this->registeredIconEntries[] = $index;
357 // The Plugin has been deactivated for some reason, perhabs a missing ldap schema.
358 if(isset($disabledPlugins[$info['CLASS']])) continue;
360 // Add a seperating row
361 if (($col % 4) == 0){
362 $this->iconmenu .= "\n <div class='clear'></div>";
363 }
365 $this->iconmenu.= "\n <div class='icon-menu-item' style='width: 25%;' onclick='openPlugin({$index})'>";
366 $this->iconmenu.= "\n ".image($icon);
367 $this->iconmenu.= "\n <div class='dsc'>";
368 $this->iconmenu.= "\n <h1>{$title}</h1>";
369 $this->iconmenu.= "\n <p>{$desc}</p>";
370 $this->iconmenu.= "\n </div>";
371 $this->iconmenu.= "\n </div>";
372 $col++ ;
373 }
374 $add_hr = TRUE;
375 }
376 }
377 return ($this->iconmenu);
378 }
381 /*! \brieg Generates and the path menu (the one on the upper right) and keeps
382 * the generated HTML content, so we are not forced to generate it on every
383 * page request.
384 * (See <pathMenu> of your gosa.conf)
385 */
386 function genPathMenu()
387 {
388 if(empty($this->pathMenu)){
390 $disabledPlugins = $this->config->configRegistry->getDisabledPlugins();
392 // Now load the icon menu and try to register the plugins in the pluglist
393 // if this fails for some reason, then remove the plugins from the menu.
394 if(isset($this->config->data['SHORTCUTMENU'])){
395 foreach($this->config->data['SHORTCUTMENU'] as $id => $plugin){
396 if(!$this->registerPlugin($this->config->data['SHORTCUTMENU'][$id])){
397 unset($this->config->data['SHORTCUTMENU'][$id]);
398 }
399 }
400 }
402 // Now load the path menu and try to register the plugins in the pluglist
403 // if this fails for some reason, then remove the plugin from the menu.
404 if(isset($this->config->data['PATHMENU'])){
405 foreach($this->config->data['PATHMENU'] as $id => $plugin){
406 if(!$this->registerPlugin($this->config->data['PATHMENU'][$id])){
407 unset($this->config->data['PATHMENU'][$id]);
408 }
409 }
410 }
412 $this->pathMenu =
413 "\n <div class='plugin-path'>".
414 "\n <ul class='path-navigation'>";
416 // Check if we've at least one entry defined ih the iconmenu
417 if(isset($this->config->data['SHORTCUTMENU'])){
418 $icfg= &$this->config->data['SHORTCUTMENU'];
419 $rcfg = array_reverse($icfg);
420 foreach($rcfg as $id => $plug){
421 list($index, $title, $desc, $icon, $shortIcon) = $this->getPlugData($plug['CLASS']);
422 $this->registeredShortCutEntries[] = $index;
424 // The Plugin has been deactivated for some reason, perhabs a missing ldap schema.
425 if(isset($disabledPlugins[$plug['CLASS']])) continue;
427 $cssClass= (!isset($rcfg[$id+1]))? 'left' : 'left right-border';
428 $this->pathMenu.= "
429 <li class='{$cssClass}' onClick='openPlugin({$index})' title='{$title}'>".
430 image(get_template_path($shortIcon))."</li>";
431 }
432 }
434 // Place the navigator part, this will be replaced during runtime.
435 $this->pathMenu .= "\n %navigator%";
437 // Check if we've at least one entry defined ih the pathmenu
438 if(isset($this->config->data['PATHMENU'])){
439 $cfg= &$this->config->data['PATHMENU'];
440 $rcfg = array_reverse($cfg);
441 foreach($rcfg as $id => $plug){
442 list($index, $title, $desc, $icon) = $this->getPlugData($plug['CLASS']);
443 $this->registeredPathEntries[] = $index;
445 // The Plugin has been deactivated for some reason, perhabs a missing ldap schema.
446 if(isset($disabledPlugins[$plug['CLASS']])) continue;
448 $this->pathMenu.= "\n <li class='right left-border' onClick='openPlugin({$index})'>{$title}</li>";
449 }
450 }
451 $this->pathMenu.= "\n </ul>";
452 $this->pathMenu.= "\n </div>";
453 }
455 $menu = pathNavigator::getCurrentPath();
456 return(preg_replace("/%navigator%/", $menu, $this->pathMenu));
457 }
460 /*! \brief Returns additional info for a given class name, like
461 * plugin-icon, title, description and the index of the element
462 in the pluglist which uses this class.
463 */
464 function getPlugData($class)
465 {
466 global $class_mapping;
467 $vars= get_class_vars($class);
468 $plHeadline= _($vars['plHeadline']);
469 $plDescription= _($vars['plDescription']);
470 $plIcon = (isset($vars['plIcon'])) ? $vars['plIcon']: "plugin.png";
471 $plShortIcon = (isset($vars['plShortIcon'])) ? $vars['plShortIcon']: "plugin.png";
473 $index= $this->get_index($class);
475 /* Check if class is available. If the class doesn't exists display error symbol
476 * to avoid that a user clicks on a non existing plugin
477 */
478 if(!$vars){
479 $plHeadline = $plDescription = _("Unknown");
480 $plIcon = "error.png";
481 $index = '';
482 }
484 // Detect the correct position of the plugin icon
485 if(!preg_match("/\//",$plIcon)){
486 $image= get_template_path("plugins/".preg_replace('%^.*/([^/]+)/[^/]+$%', '\1',
487 $class_mapping[$class])."/images/$plIcon");
488 }else{
489 $image = $plIcon;
490 }
491 // Detect the correct position of the plugin icon
492 if(!preg_match("/\//",$plShortIcon)){
493 $shortImage= get_template_path("plugins/".preg_replace('%^.*/([^/]+)/[^/]+$%', '\1',
494 $class_mapping[$class])."/images/$plShortIcon");
495 }else{
496 $shortImage = $plShortIcon;
497 }
498 return(array($index, $plHeadline, $plDescription, $image, $shortImage));
499 }
502 /*! \brief Returns the installation path of a plugin.
503 * e.g. '../plugins/admin/mimetypes'
504 */
505 function get_path($index)
506 {
507 if(!isset($this->dirlist[$index])){
508 return ("");
509 }
510 return ("../".$this->dirlist[$index]);
511 }
514 /*! \brief Returns the plugins id for a given class.
515 */
516 function get_index($class)
517 {
518 return (array_search($class, $this->pluginList));
519 }
522 /*! \brief Returns the plugins id for a given class.
523 */
524 function get_class($index)
525 {
526 return($this->pluginList[$index]);
527 }
530 /*! \brief This function checks if we are allowed to view the plugin with the given id
531 *
532 * @param $plug_id Integer The ID of the plugin.
533 * @return Boolean TRUE if we are allowed to view the plugin else FASLE
534 */
535 function plugin_access_allowed($plug_id)
536 {
537 return(isset($this->pluginList[$plug_id]) && $plug_id != "");
538 }
541 /*! \brief Force the menu to be recreated
542 */
543 function reset_menus()
544 {
545 $this->menu = "";
546 $this->iconmenu ="";
547 }
550 /*! \brief Generates an array containing plugin names (headlines) and theirs ids.
551 * This is just used in the helpviewer.php
552 */
553 function gen_headlines()
554 {
555 $ret = array();
556 if(count($this->headlines) == 0){
557 foreach($this->config->data['MENU'] as $headline => $plugins){
558 foreach( $plugins as $id => $plug){
559 if (plugin_available($plug['CLASS'])){
560 $attrs = (get_class_vars($plug['CLASS']));
561 $ret[$id]['HEADLINE'] = $headline;
562 $ret[$id]['NAME'] = $attrs['plHeadline'];
563 }
564 }
565 }
566 $this->headlines = $ret;
567 }
568 return($this->headlines);
569 }
570 }
571 // vim:tabstop=2:expandtab:shiftwidth=2:filetype=php:syntax:ruler:
572 ?>