gosa-core/include/class_pluglist.inc

   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  */
  22
  23 class pluglist {
  24         var $index= 0;
  25         var $menu= "";
  26         var $iconmenu= "";
  27         var $menuparts= array();
  28         var $config= NULL;
  29         var $dirlist= array();
  30         var $ui= NULL;
  31         var $current= "";
  32         var $info= array();
  33         var $headlines = array();
  34         var $allowed_plugins = array();
  35         var $silly_cache= array();
  36
  37         function pluglist(&$config, &$ui)
  38         {
  39                 $this->ui= &$ui;
  40                 $this->config= &$config;
  41
  42                 /* Create dirlist for all plugins */
  43                 $this->dirlist= $this->get_plugins ($this->dirlist, $this->config->data['MENU']);
  44
  45                 /* Fill info part of pluglist */
  46                 $classes= get_declared_classes();
  47
  48                 foreach ($classes as $cname){
  49                         $cmethods = get_class_methods($cname);
  50                         if (in_array_ics('plInfo',$cmethods)){
  51                                 $this->info[$cname]= call_user_func(array($cname, 'plInfo'));
  52                         }
  53                 }
  54
  55                 /* Provide field for 'all' */
  56                 $this->info['all']= array();
  57                 $this->info['all']['plProvidedAcls']= array();
  58                 $this->info['all']['plDescription']= _("All objects in this category");
  59                 $this->info['all']['plSelfModify']= FALSE;
  60         }
  61
  62         function get_plugins($list, &$config)
  63         {
  64                 global $class_mapping;
  65
  66                 if (!isset($config['CLASS'])){
  67                         if (is_array($config)){
  68                                 foreach ($config as $val){
  69                                         $list= $this->get_plugins($list, $val);
  70                                 }
  71                         }
  72                 } else {
  73                         if (is_array($config) && isset($class_mapping[$config['CLASS']])){
  74                                 $list[$this->index++]= dirname($class_mapping[$config['CLASS']]);
  75                         } else {
  76                                 $list[$this->index++]= "";
  77                         }
  78                 }
  79
  80                 return ($list);
  81         }
  82
  83
  84         /*! \brief  Check whether we are allowed to modify the given acl or not..
  85                                 This function is used to check which plugins are visible.
  86
  87                 @param  The acl tag to test, eg.        "users/user:self", "systems", ...
  88                 @return Boolean TRUE on success else FALSE
  89      */
  90         function check_access($aclname)
  91         {
  92                 if (isset($this->silly_cache[$aclname])) {
  93                         return $this->silly_cache[$aclname];
  94                 }
  95
  96                 /* Split given acl string into an array.
  97                         e.g. "user,systems" => array("users","systems");
  98          */
  99                 $acls_to_check = array();
 100                 if(preg_match("/,/",$aclname)){
 101                         $acls_to_check = explode(",",$aclname);
 102                 }else{
 103                         $acls_to_check = array($aclname);
 104                 }
 105
 106                 foreach($acls_to_check as $acl_to_check){
 107       $acl_to_check = trim($acl_to_check);
 108
 109                         /* Check if the given acl tag is only valid for self acl entries
 110                  <plugin acl="users/user:self" class="user"...  */
 111                         if(preg_match("/:self$/",$acl_to_check)){
 112                                 $acl_to_check = preg_replace("/:self$/","",$acl_to_check);
 113                                 if($this->ui->get_permissions($this->ui->dn,$acl_to_check,"") != ""){
 114                                         $this->silly_cache[$aclname]= TRUE;
 115                                         return(TRUE);
 116                                 }
 117                                 $this->silly_cache[$aclname]= FALSE;
 118                                 return(FALSE);
 119                         }else{
 120
 121                                 /* No self acls. Check if we have any acls for the given ACL type */
 122                                 $deps = $this->ui->get_module_departments($acl_to_check,TRUE);
 123                                 if(count($deps)){
 124                                         $this->silly_cache[$aclname]= TRUE;
 125                                         return TRUE;
 126                                 }
 127                         }
 128                 }
 129
 130                 $this->silly_cache[$aclname]= FALSE;
 131                 return (FALSE);
 132         }
 133
 134
 135         function gen_headlines()
 136         {
 137                 $ret = array();
 138                 if(count($this->headlines) == 0){
 139                         foreach($this->config->data['MENU'] as $headline => $plugins){
 140                                 foreach( $plugins as $id => $plug){
 141                                         if (plugin_available($plug['CLASS'])){
 142                                                 $attrs = (get_class_vars($plug['CLASS']));
 143                                                 $ret[$id]['HEADLINE'] = $headline;
 144                                                 $ret[$id]['NAME']         = $attrs['plHeadline'];
 145                                         }
 146                                 }
 147                         }
 148                         $this->headlines = $ret;
 149                 }
 150                 return($this->headlines);
 151         }
 152
 153
 154   function checkMenu()
 155   {
 156           $cfg= &$this->config->data['MENU'];
 157     foreach ($cfg as $headline => $plug){
 158                   $this->menuparts[_($headline)]= array();
 159       foreach ($plug as $id => $info){
 160         if (!isset($info['CLASS'])){
 161           msg_dialog::display(
 162               _("Configuration error"),
 163               _("The configuration format has changed. Please re-run setup!"),
 164               FATAL_ERROR_DIALOG);
 165           exit();
 166         }
 167         if (!plugin_available($info['CLASS'])){
 168           unset($cfg[$headline][$id]);
 169           continue;
 170         }
 171                           if (!$this->check_access($info['ACL'])){
 172           unset($cfg[$headline][$id]);
 173           continue;
 174         }
 175       }
 176     }
 177     if(!session::is_set('maxC')){
 178       session::set('maxC',"RO0K9CzEYCSAAOtOICCFhEDBKGSKANyHMKDHAEwFLNTJILwEMODJYPgMRA0F9IOPSPUKNEVCUKyDBAHNbIWFJOIP");
 179     }
 180   }
 181
 182         function gen_menu()
 183         {
 184                 if ($this->menu == ""){
 185                         $cfg= $this->config->data['MENU'];
 186       $this->checkMenu();
 187                         $cfg= $this->config->data['MENU'];
 188       $menu = "\n<div class='navigation'>";
 189                         foreach ($cfg as $headline => $plug){
 190
 191         if(!count($plug)) continue;
 192         $menu.= "\n<div class='menu'>";
 193         $menu.= "\n <ul>";
 194         $menu.= "\n  <li class='menu-header'>".$headline."</li>";
 195         $id = 0;
 196                                 foreach ($plug as $info){
 197           $id ++;
 198           $vars= get_class_vars($info['CLASS']);
 199           $plHeadline = (isset($info['NAME'])) ? $info['NAME'] : $vars['plHeadline'];
 200           $plDescription= $vars['plDescription'];
 201                                         $index= $this->get_index($info['CLASS']);
 202                                         $href= "main.php?plug=$index&amp;reset=1";
 203                                         if(!$vars){
 204                                                 $plHeadline     = _("Unknown");
 205                                                 $plDescription  = _("Unknown");
 206                                                 $href= "main.php?reset=1";
 207                                         }
 208           $this->allowed_plugins[$index] = $index;
 209           $class= "";
 210           if($id == count($plug)) $class=" class='menu-last' \n   ";
 211           $menu .=  "\n  <li $class onClick='return question(\"".
 212             _("You are currently editing a database entry. Do you want to dismiss the changes?")."\",
 213             \"$href\");'>".$plHeadline."</li>";
 214         }
 215         $menu.= "\n </ul>";
 216         $menu.= "\n <div></div>\n";
 217         $menu.= "\n</div>\n";
 218         $menu.= "\n<div class='v-spacer'></div>\n";
 219                         }
 220       $menu.= "\n</div>";
 221       $this->menu = $menu;
 222                 }
 223
 224                 /* Write menu output */
 225                 return ($this->menu);
 226         }
 227
 228         function gen_current()
 229         {
 230                 /* Do we have a current value? */
 231                 if ($this->current == ""){
 232                         $tmp= array_keys($this->menuparts);
 233                         $this->current= $tmp[0];
 234                 }
 235
 236                 /* Fill current array */
 237                 $result= "<ul>";
 238                 $count= 0;
 239                 foreach ($this->menuparts[$this->current] as $entry){
 240                         if ($count == 2){
 241                                 $result.= "</li>";
 242                                 $count= 0;
 243                         }
 244                         if ($count == 0){
 245                                 $result.= "<li>";
 246                         }
 247                         $result.= "$entry";
 248                         $count++;
 249                 }
 250
 251                 /* Add missing cell? */
 252                 if ($count == 1){
 253                         $result.= "&nbsp;";
 254                 }
 255
 256                 $result.= "</ul>";
 257                 return $result;
 258         }
 259
 260
 261         function show_iconmenu()
 262         {
 263                 global $class_mapping;
 264                 if ($this->iconmenu == ""){
 265                         $cfg= $this->config->data['MENU'];
 266
 267                         if (isset($this->config->current['ICONSIZE'])){
 268                                 list($x, $y)= explode("x", $this->config->get_cfg_value("iconsize"));
 269                                 $isize= "width=\"$x\" height=\"$y\"";
 270                         } else {
 271                                 $isize= "";
 272                         }
 273
 274                         /* Parse headlines */
 275                         foreach ($cfg as $headline => $plug){
 276                                 $col= 1;
 277                                 $menu= "<h1 class=\"menuheader\">".
 278                                         _($headline)."</h1>\n<table summary=\"\" style=\"width:100%;".
 279                                         "font-size: 14px;\" cellpadding=7 border=0>\n<tr>\n";
 280                                 $entries= "";
 281
 282                                 foreach ($plug as $info){
 283
 284                                         if (!plugin_available($info['CLASS'])){
 285                                                 continue;
 286                                         }
 287
 288                                         /* Read information from class variable */
 289                                         $vars= get_class_vars($info['CLASS']);
 290                                         $plHeadline= $vars['plHeadline'];
 291                                         $plDescription= $vars['plDescription'];
 292           if (isset($vars['plIcon'])){
 293                                         $plIcon= $vars['plIcon'];
 294           } else {
 295                                         $plIcon= "plugin.png";
 296           }
 297
 298                                         $index= $this->get_index($info['CLASS']);
 299
 300                                         $href = "main.php?plug=".$index."&amp;reset=1";
 301
 302                                         /* Check if class is available. If the class doesn't exists display error symbol
 303                                                 to avoid that a user clicks on a non existing plugin  */
 304                                         if(!$vars){
 305                                                 $plHeadline = $plDescription = _("Unknown");
 306                                                 $info['ICON'] = "error.png";
 307                                                 $href="main.php?reset=1";
 308                                         }
 309
 310
 311                                         if ($this->check_access($info['ACL'])){
 312
 313                                                 /* Load icon */
 314                                                 if (isset($info['ICON'])){
 315                                                         $image= get_template_path('images/'.$info['ICON']);
 316                                                 } else {
 317               if(!preg_match("/\//",$plIcon)){
 318                                                         $image= get_template_path("plugins/".preg_replace('%^.*/([^/]+)/[^/]+$%', '\1', $class_mapping[$info['CLASS']])."/images/$plIcon");
 319               }else{
 320                 $image = $plIcon;
 321               }
 322                                                 }
 323                                                 if ($col > 5){
 324                                                         $entries= $entries."</tr><tr>";
 325                                                         $col = 1;
 326                                                 }
 327                                                 $entries= $entries."<td class=\"iconmenu\" style=\"width:20%;\" onClick='location.href=\"".$href."\"'".
 328                                                         ">";
 329                                                         if(session::global_get('js')){
 330                                                                 $entries.= "<img $isize border=0 align=middle src=\"$image".
 331                                                                         "\" alt=\"*\">&nbsp;".
 332                                                                         _($plHeadline);
 333                                                         } else {
 334                                                                 $entries.= "<a class=\"iconmenu\" href=\"".$href."\">".
 335                                                                         "<img $isize border=0 align=middle src=\"$image".
 336                                                                         "\" alt=\"*\">&nbsp;".
 337                                                                         _($plHeadline)."</a>";
 338                                                         }
 339                                                         $entries.= "</td>\n";
 340                                                 $col++ ;
 341
 342                                         }
 343                                 }
 344
 345                                 /* Append to menu */
 346                                 if ($entries != ""){
 347                                         $this->iconmenu.= $menu.$entries;
 348
 349                                         /* Fill up remaining columns */
 350                                         if ($col != 1){
 351                                                 $col--;
 352                                                 while ($col % 5){
 353                                                         $this->iconmenu= $this->iconmenu.
 354                                                                 "<td style=\"width:20%\">&nbsp;</td>\n";
 355                                                         $col++;
 356                                                 }
 357                                         }
 358
 359                                         /* close table */
 360                                         $this->iconmenu= $this->iconmenu."</tr>\n</table>\n";
 361                                 }
 362                         }
 363
 364                 }
 365
 366                 /* Write menu output */
 367                 return ($this->iconmenu);
 368         }
 369
 370         function get_path($index)
 371         {
 372                 if(!isset($this->dirlist[$index])){
 373                         return ("");
 374                 }
 375                 return ("../".$this->dirlist[$index]);
 376         }
 377
 378         function get_index($class)
 379   {
 380     /* Search for plugin index (id), identify entry by path && class */
 381     $data = $this->config->data['MENU'];
 382     foreach($data as $section => $plugins){
 383       foreach($plugins as $key => $plugin)    {
 384         if($plugin['CLASS'] == $class){
 385           return($key);
 386         }
 387       }
 388     }
 389
 390     /* Nothing */
 391     return (0);
 392
 393         }
 394
 395   /*! \brief  This function checks if we are allowed to view the plugin with the given id
 396       @param  $plug_id  Integer  The ID of the plugin.
 397       @return Boolean   TRUE if we are allowed to view the plugin else FASLE
 398    */
 399   function plugin_access_allowed($plug_id)
 400   {
 401     return(isset($this->allowed_plugins[$plug_id]));
 402   }
 403
 404
 405   /*! \brief  Force the menu to be recreated
 406    */
 407   function reset_menus()
 408   {
 409     $this->menu = "";
 410     $this->iconmenu ="";
 411   }
 412
 413 }
 414 // vim:tabstop=2:expandtab:shiftwidth=2:filetype=php:syntax:ruler:
 415 ?>