plugins/admin/applications/class_applicationGeneric.inc

   1 <?php
   2 class application extends plugin
   3 {
   4   /* CLI vars */
   5   var $cli_summary= "Handling of GOsa's application object";
   6   var $cli_description= "Some longer text\nfor help";
   7   var $cli_parameters= array("eins" => "Eins ist toll", "zwei" => "Zwei ist noch besser");
   8
   9   /* application attributes */
  10   var $cn= "";
  11   var $description= "";
  12   var $base= "";
  13   var $gosaApplicationExecute= "";
  14   var $gosaApplicationName= "";
  15   var $gosaApplicationFlags= "";
  16   var $gosaApplicationIcon= "";
  17   var $gotoLogonScript  ="";
  18   var $iconData;
  19
  20   /* Headpage attributes */
  21   var $last_sorting= "invalid";
  22   var $applications= array();
  23
  24   /* attribute list for save action */
  25   var $attributes= array("cn", "description", "gosaApplicationExecute", "gosaApplicationName",
  26                         "gosaApplicationFlags","gotoLogonScript");
  27   var $objectclasses= array("top", "gosaApplication");
  28
  29   function application ($config, $dn= NULL)
  30   {
  31         plugin::plugin ($config, $dn);
  32
  33         /* Load icon */
  34         $ldap= $config->get_ldap_link();
  35         if ($dn != 'new'){
  36                 $this->iconData= $ldap->get_attribute($dn, "gosaApplicationIcon");
  37         }
  38         if ($this->iconData == ""){
  39                 $this->set_picture("");
  40         }
  41         $_SESSION['binary']= $this->iconData;
  42         $_SESSION['binarytype']= "image/jpeg";
  43         $this->gosaApplicationIcon= $this->iconData;
  44
  45         /* This is always an account */
  46         $this->is_account= TRUE;
  47
  48         if ($this->dn == "new"){
  49                 if(isset($_SESSION['appfilter']['depselect'])){
  50                         $this->base=$_SESSION['appfilter']['depselect'];
  51                 }else{
  52                         $ui= get_userinfo();
  53                         $this->base= dn2base($ui->dn);
  54                 }
  55         } else {
  56                 $this->base= preg_replace ("/^[^,]+,[^,]+,/", "", $this->dn);
  57         }
  58   }
  59
  60
  61   function generateTempalte(){
  62         $str= "# This code is part of GOsa (https://gosa.gonicus.de)\n".
  63             "#\n".
  64             "# This program is free software; you can redistribute it and/or modify\n".
  65             "# it under the terms of the GNU General Public License as published by\n".
  66             "# the Free Software Foundation; either version 2 of the License, or\n".
  67             "# (at your option) any later version.\n".
  68             "#\n";
  69
  70         $names = $this->parent->by_object['applicationParameters']->option_name;
  71         $values = $this->parent->by_object['applicationParameters']->option_value;
  72
  73         if (count($names)){
  74                 $str .="# This plugin handles these environment variables:\n";
  75         } else {
  76                 $str .="# This plugin handles no environment variables.\n";
  77         }
  78
  79         foreach($names as $index => $name){
  80
  81                 // Fix length
  82                 if (strlen($name) < 35){
  83                         $name= sprintf("%.35s", $name);
  84                 }
  85                 if(isset($values[$index])){
  86                         $str.= "# ".$name."\t\t(e.g. ".$values[$index].")\n";
  87                 }else{
  88                         $str.= "# ".$name."\n";
  89                 }
  90         }
  91         $str .= "#\n".
  92                         "# Don't remove the following tag, it is used for header update.\n".
  93                         "### END HEADER ###";
  94
  95         return($str);
  96   }
  97
  98   function execute()
  99   {
 100         /* Do we represent a valid group? */
 101         if (!$this->is_account && $this->parent == NULL){
 102                  $display= "<img alt=\"\" src=\"images/stop.png\" align=\"middle\">&nbsp;<b>".
 103                          _("This 'dn' is no application.")."</b>";
 104                  return ($display);
 105         }
 106
 107         if(isset($_POST['ScriptTemplate'])){
 108                 $head = $this->generateTempalte();
 109                 $scr  = $this->gotoLogonScript;
 110
 111                 if(preg_match("/### END HEADER ###/",$scr)){
 112                         $pos = strrpos($scr,"### END HEADER ###");
 113                         $pos = $pos + strlen("### END HEADER ###");
 114                         $scr=substr($scr,$pos,(strlen($scr)));
 115                 }
 116
 117                 $this->gotoLogonScript = $head.$scr;
 118         }
 119
 120         if((isset($_POST['upLoad']))&&(isset($_FILES['ScriptFile']))){
 121                 $str = file_get_contents($_FILES['ScriptFile']['tmp_name']);
 122                 $this->gotoLogonScript = $str;
 123         }
 124
 125         /* Fill templating stuff */
 126         $smarty= get_smarty();
 127         $smarty->assign("cn", $this->cn);
 128         $smarty->assign("bases", $this->config->idepartments);
 129         if ($this->dn == "new"){
 130                 $smarty->assign("selectmode", "");
 131                 $smarty->assign("namemode", "");
 132         } else {
 133                 $smarty->assign("namemode", "readonly");
 134                 $smarty->assign("selectmode", "disabled");
 135         }
 136
 137         /* Get random number for pictures */
 138         srand((double)microtime()*1000000);
 139         $smarty->assign("rand", rand(0, 10000));
 140
 141         /* Variables */
 142         foreach(array("description", "gosaApplicationExecute", "gosaApplicationName") as $val){
 143                 $smarty->assign($val, $this->$val);
 144                 $smarty->assign($val."ACL", chkacl($this->acl, $val));
 145         }
 146
 147         /* Checkboxes */
 148         foreach (array("G" => "exec_for_groupmembers", "O" => "overwrite_config",
 149                         "D" => "place_on_desktop", "M" => "place_in_startmenu") as $key => $val){
 150                 if (preg_match("/$key/", $this->gosaApplicationFlags)){
 151                         $smarty->assign("$val", "checked");
 152                 } else {
 153                         $smarty->assign("$val", "");
 154                 }
 155         }
 156         $smarty->assign("gotoLogonScript",$this->gotoLogonScript);
 157         $smarty->assign("base_select", $this->base);
 158         $smarty->assign("gosaApplicationFlagsACL", chkacl($this->acl, "gosaApplicationFlags"));
 159
 160         /* Show main page */
 161         return($smarty->fetch (get_template_path('generic.tpl', TRUE)));
 162   }
 163
 164
 165   function remove_from_parent()
 166   {
 167         $ldap= $this->config->get_ldap_link();
 168         $ldap->rmDir($this->dn);
 169
 170         /* Optionally execute a command after we're done */
 171         $this->handle_post_events("remove");
 172
 173         /* Delete references to object groups */
 174         $ldap->cd ($this->config->current['BASE']);
 175         $ldap->search ("(&(objectClass=gosaGroupOfNames)(member=".$this->dn."))", array("cn"));
 176         while ($ldap->fetch()){
 177                 $og= new ogroup($this->config, $ldap->getDN());
 178                 unset($og->member[$this->dn]);
 179                 $og->save ();
 180         }
 181         $ldap->search ("(&(objectClass=posixGroup)(gosaMemberApplication=".$this->cn."))", array("cn"));
 182         while ($attrs= $ldap->fetch()){
 183                 $ag= new appgroup($this->config, $ldap->getDN());
 184                 $ag->removeApp($this->cn);
 185                 $ag->save ();
 186         }
 187
 188   }
 189
 190
 191   /* Save data to object */
 192   function save_object()
 193   {
 194         if (isset($_POST['cn'])){
 195
 196                 plugin::save_object();
 197
 198                 /* Save application flags */
 199                 $flag= "";
 200                 if (isset($_POST['exec_for_groupmembers']) && $_POST['exec_for_groupmembers'] == 1){
 201                         $flag.= "G";
 202                 }
 203                 if (isset($_POST['place_on_desktop']) && $_POST['place_on_desktop'] == 1){
 204                         $flag.= "D";
 205                 }
 206                 if (isset($_POST['place_in_startmenu']) && $_POST['place_in_startmenu'] == 1){
 207                         $flag.= "M";
 208                 }
 209                 if (isset($_POST['overwrite_config']) && $_POST['overwrite_config'] == 1){
 210                         $flag.= "O";
 211                 }
 212                 if (chkacl ($this->acl, "gosaApplicationFlags") ==""){
 213                         $this->gosaApplicationFlags= "[$flag]";
 214                 }
 215
 216                 /* Check for picture upload */
 217                 if (isset($_FILES['picture_file']['name']) && $_FILES['picture_file']['name'] != ""){
 218                         if (!is_uploaded_file($_FILES['picture_file']['tmp_name'])) {
 219                                 print_red (_("The specified picture has not been uploaded correctly."));
 220                         }
 221
 222                         if (!function_exists("imagick_blob2image")){
 223                                 /* Get temporary file name for conversation */
 224                                 $fname = tempnam ("/tmp", "GOsa");
 225
 226                                 /* Open file and write out photoData */
 227                                 $fp = fopen ($fname, "w");
 228                                 fwrite ($fp, $_FILES['picture_file']['tmp_name']);
 229                                 fclose ($fp);
 230
 231                                 /* Build conversation query. Filename is generated automatically, so
 232                                    we do not need any special security checks. Exec command and save
 233                                    output. For PHP safe mode, you'll need a configuration which respects
 234                                    image magick as executable... */
 235                                 $query= "convert -size 48x48 $fname -resize 48x48 +profile \"*\" -";
 236                                 @DEBUG (DEBUG_SHELL, __LINE__, __FUNCTION__, __FILE__, $query, "Execute");
 237
 238                                 /* Read data written by convert */
 239                                 $output= "";
 240                                 $sh= popen($query, 'r');
 241                                 while (!feof($sh)){
 242                                         $output.= fread($sh, 4096);
 243                                 }
 244                                 pclose($sh);
 245
 246                                 unlink($fname);
 247                         } else {
 248
 249                                 /* Load the new uploaded Photo */
 250                                 if(!$handle  =  imagick_ReadImage($_FILES['picture_file']['tmp_name'])){
 251                                   gosa_log("Can't Load image");
 252                                 }
 253
 254                                 /* Resizing image to 147x200 and blur */
 255                                 if(!imagick_resize($handle,48,48,IMAGICK_FILTER_GAUSSIAN,0)){
 256                                   gosa_log("imagick_resize failed");
 257                                 }
 258
 259                                 /* Converting image to JPEG */
 260                                 if(!imagick_convert($handle,"PNG")) {
 261                                   gosa_log("Can't Convert to PNG");
 262                                 }
 263
 264                                 if(imagick_writeimage($handle,$_FILES['picture_file']['tmp_name'])){
 265                                   gosa_log("can't write to specified folder");
 266                                 }
 267
 268                                 imagick_free($handle);
 269                         }
 270
 271                         /* Activate new picture */
 272                         $this->set_picture($_FILES['picture_file']['tmp_name']);
 273                         }
 274
 275
 276                 /* Save base, since this is no LDAP attribute */
 277                 if (isset($_POST['base']) && chkacl($this->acl, "create") == ""){
 278                         $this->base= $_POST['base'];
 279                 }
 280         }
 281   }
 282
 283
 284   /* Check values */
 285   function check()
 286   {
 287         $message= array();
 288
 289         /* Permissions for that base? */
 290         if ($this->base != ""){
 291                 $new_dn= "cn=".$this->cn.",ou=apps,".$this->base;
 292         } else {
 293                 $new_dn= $this->dn;
 294         }
 295
 296         $ui= get_userinfo();
 297         $acl= get_permissions ($new_dn, $ui->subtreeACL);
 298         $acl= get_module_permission($acl, "application", $new_dn);
 299         if (chkacl($acl, "create") != ""){
 300                 $message[]= _("You have no permissions to create a application on this 'Base'.");
 301         }
 302
 303         /* All required fields are set? */
 304         if ($this->cn == ""){
 305                 $message[]= _("Required field 'Name' is not filled.");
 306         }
 307
 308         if(preg_match("/[^a-z0-9]/",$this->cn)) {
 309                 $message[]=_("Invalid character in application name. Only a-z 0-9 are allowed.");
 310         }
 311
 312         if ($this->gosaApplicationExecute == ""){
 313                 $message[]= _("Required field 'Execute' is not filled.");
 314         }
 315
 316         /* Check for existing application */
 317         $ldap= $this->config->get_ldap_link();
 318         $ldap->cd($this->config->current["BASE"]);
 319         $ldap->search("(&(objectClass=gosaApplication)(cn=$this->cn))");
 320         $ldap->fetch();
 321         if ($ldap->count() != 0 && $this->dn == "new"){
 322                 $message[]= _("There's already an application with this 'Name'.");
 323         }
 324
 325         return $message;
 326   }
 327
 328
 329   /* Save to LDAP */
 330   function save()
 331   {
 332         plugin::save();
 333                 $this->attrs["gosaApplicationIcon"]= $this->gosaApplicationIcon;
 334
 335         /* Write back to ldap */
 336         $ldap= $this->config->get_ldap_link();
 337         $ldap->cat($this->dn);
 338         $a= $ldap->fetch();
 339         if (count($a)){
 340                 $ldap->cd($this->dn);
 341                         $ldap->modify($this->attrs);
 342                         $this->handle_post_events("modify");
 343         } else {
 344                         $ldap->cd($this->config->current['BASE']);
 345                         $ldap->create_missing_trees(preg_replace('/^[^,]+,/', '', $this->dn));
 346                 $ldap->cd($this->dn);
 347                         $ldap->add($this->attrs);
 348                         $this->handle_post_events("add");
 349         }
 350         show_ldap_error($ldap->get_error());
 351   }
 352
 353   function set_picture($filename)
 354   {
 355         if (!is_file($filename)){
 356                 $filename= "./images/default_icon.png";
 357                 $this->gosaApplicationIcon= "*removed*";
 358         }
 359
 360         if (file_exists($filename)){
 361                 $fd = fopen ($filename, "rb");
 362                 $this->iconData= fread ($fd, filesize ($filename));
 363                 $_SESSION['binary']= $this->iconData;
 364                 $_SESSION['binarytype']= "image/jpeg";
 365                 $this->gosaApplicationIcon= $this->iconData;
 366
 367                 fclose ($fd);
 368         }
 369   }
 370
 371
 372 }
 373
 374 ?>