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 generateTemplate(){
  62         $str= "# This code is part of GOsa (https://gosa.gonicus.de)\n#\n";
  63
  64         $values = array();
  65         $names  = array();
  66         if($this->parent->by_object['applicationParameters']->is_account){
  67                 $names = $this->parent->by_object['applicationParameters']->option_name;
  68                 $values = $this->parent->by_object['applicationParameters']->option_value;
  69         }
  70
  71         if (count($names)){
  72                 $str .="# This plugin handles these environment variables:\n";
  73         } else {
  74                 $str .="# This plugin handles no environment variables.\n";
  75         }
  76
  77         foreach($names as $index => $name){
  78
  79                 // Fix length
  80                 for($i = strlen($name) ; $i < 30 ; $i++){
  81                         $name= $name." ";
  82                 }
  83                 if((isset($values[$index]))&&(!empty($values[$index]))){
  84                         $str.= "# ".$name."\t(e.g. '".$values[$index]."')\n";
  85                 }else{
  86                         $str.= "# ".$name."\t("._("no example").")\n";
  87                 }
  88         }
  89         $str .= "#\n".
  90                         "# Don't remove the following tag, it is used for header update.\n".
  91                         "### END HEADER ###";
  92
  93         return($str);
  94   }
  95
  96   function execute()
  97   {
  98         /* Call parent execute */
  99         plugin::execute();
 100
 101         $smarty= get_smarty();
 102
 103         /* Do we represent a valid group? */
 104         if (!$this->is_account && $this->parent == NULL){
 105                  $display= "<img alt=\"\" src=\"images/stop.png\" align=\"middle\">&nbsp;<b>".
 106                          _("This 'dn' is no application.")."</b>";
 107                  return ($display);
 108         }
 109
 110 #       if(isset($_POST['ScriptTemplate'])){
 111                 $head = $this->generateTemplate();
 112                 $scr  = $this->gotoLogonScript;
 113
 114                 if(preg_match("/### END HEADER ###/",$scr)){
 115                         $pos = strrpos($scr,"### END HEADER ###");
 116                         $pos = $pos + strlen("### END HEADER ###");
 117                         $scr=substr($scr,$pos,(strlen($scr)));
 118                 }
 119
 120                 $this->gotoLogonScript = $head.$scr;
 121 #       }
 122
 123         if((isset($_POST['upLoad']))&&(isset($_FILES['ScriptFile']))){
 124                 $str = file_get_contents($_FILES['ScriptFile']['tmp_name']);
 125                 $this->gotoLogonScript = $str;
 126         }
 127
 128         /* Fill templating stuff */
 129         $smarty->assign("cn", $this->cn);
 130         $smarty->assign("bases", $this->config->idepartments);
 131         if ($this->dn == "new"){
 132                 $smarty->assign("selectmode", "");
 133                 $smarty->assign("namemode", "");
 134         } else {
 135                 $smarty->assign("namemode", "readonly");
 136                 $smarty->assign("selectmode", "disabled");
 137         }
 138
 139         /* Get random number for pictures */
 140         srand((double)microtime()*1000000);
 141         $smarty->assign("rand", rand(0, 10000));
 142
 143         /* Variables */
 144         foreach(array("description", "gosaApplicationExecute", "gosaApplicationName","cn") as $val){
 145                 $smarty->assign($val, $this->$val);
 146                 $smarty->assign($val."ACL", chkacl($this->acl, $val));
 147         }
 148
 149         /* Checkboxes */
 150         foreach (array("G" => "exec_for_groupmembers", "O" => "overwrite_config",
 151                         "D" => "place_on_desktop", "M" => "place_in_startmenu") as $key => $val){
 152                 if (preg_match("/$key/", $this->gosaApplicationFlags)){
 153                         $smarty->assign("$val", "checked");
 154                 } else {
 155                         $smarty->assign("$val", "");
 156                 }
 157         }
 158         $smarty->assign("gotoLogonScript",$this->gotoLogonScript);
 159         $smarty->assign("base_select", $this->base);
 160         $smarty->assign("gosaApplicationFlagsACL", chkacl($this->acl, "gosaApplicationFlags"));
 161
 162         /* Show main page */
 163         return($smarty->fetch (get_template_path('generic.tpl', TRUE)));
 164   }
 165
 166
 167   function remove_from_parent()
 168   {
 169         $ldap= $this->config->get_ldap_link();
 170         $ldap->rmDir($this->dn);
 171
 172         /* Optionally execute a command after we're done */
 173         $this->handle_post_events("remove");
 174
 175         /* Delete references to object groups */
 176         $ldap->cd ($this->config->current['BASE']);
 177         $ldap->search ("(&(objectClass=gosaGroupOfNames)(member=".$this->dn."))", array("cn"));
 178         while ($ldap->fetch()){
 179                 $og= new ogroup($this->config, $ldap->getDN());
 180                 unset($og->member[$this->dn]);
 181                 $og->save ();
 182         }
 183         $ldap->search ("(&(objectClass=posixGroup)(gosaMemberApplication=".$this->cn."))", array("cn"));
 184         while ($attrs= $ldap->fetch()){
 185                 $ag= new appgroup($this->config, $ldap->getDN());
 186                 $ag->removeApp($this->cn);
 187                 $ag->save ();
 188         }
 189
 190   }
 191
 192
 193   /* Save data to object */
 194   function save_object()
 195   {
 196         if (isset($_POST['cn'])){
 197
 198                 plugin::save_object();
 199
 200                 /* Save application flags */
 201                 $flag= "";
 202                 if (isset($_POST['exec_for_groupmembers']) && $_POST['exec_for_groupmembers'] == 1){
 203                         $flag.= "G";
 204                 }
 205                 if (isset($_POST['place_on_desktop']) && $_POST['place_on_desktop'] == 1){
 206                         $flag.= "D";
 207                 }
 208                 if (isset($_POST['place_in_startmenu']) && $_POST['place_in_startmenu'] == 1){
 209                         $flag.= "M";
 210                 }
 211                 if (isset($_POST['overwrite_config']) && $_POST['overwrite_config'] == 1){
 212                         $flag.= "O";
 213                 }
 214                 if (chkacl ($this->acl, "gosaApplicationFlags") ==""){
 215                         $this->gosaApplicationFlags= "[$flag]";
 216                 }
 217
 218                 /* Check for picture upload */
 219                 if (isset($_FILES['picture_file']['name']) && $_FILES['picture_file']['name'] != ""){
 220                         if (!is_uploaded_file($_FILES['picture_file']['tmp_name'])) {
 221                                 print_red (_("The specified picture has not been uploaded correctly."));
 222                         }
 223
 224                         if (!function_exists("imagick_blob2image")){
 225                                 /* Get temporary file name for conversation */
 226                                 $fname = tempnam ("/tmp", "GOsa");
 227
 228                                 /* Open file and write out photoData */
 229                                 $fp = fopen ($fname, "w");
 230                                 fwrite ($fp, $_FILES['picture_file']['tmp_name']);
 231                                 fclose ($fp);
 232
 233                                 /* Build conversation query. Filename is generated automatically, so
 234                                    we do not need any special security checks. Exec command and save
 235                                    output. For PHP safe mode, you'll need a configuration which respects
 236                                    image magick as executable... */
 237                                 $query= "convert -size 48x48 $fname -resize 48x48 +profile \"*\" -";
 238                                 @DEBUG (DEBUG_SHELL, __LINE__, __FUNCTION__, __FILE__, $query, "Execute");
 239
 240                                 /* Read data written by convert */
 241                                 $output= "";
 242                                 $sh= popen($query, 'r');
 243                                 while (!feof($sh)){
 244                                         $output.= fread($sh, 4096);
 245                                 }
 246                                 pclose($sh);
 247
 248                                 unlink($fname);
 249                         } else {
 250
 251                                 /* Load the new uploaded Photo */
 252                                 if(!$handle  =  imagick_ReadImage($_FILES['picture_file']['tmp_name'])){
 253                                   gosa_log("Can't Load image");
 254                                 }
 255
 256                                 /* Resizing image to 147x200 and blur */
 257                                 if(!imagick_resize($handle,48,48,IMAGICK_FILTER_GAUSSIAN,0)){
 258                                   gosa_log("imagick_resize failed");
 259                                 }
 260
 261                                 /* Converting image to JPEG */
 262                                 if(!imagick_convert($handle,"PNG")) {
 263                                   gosa_log("Can't Convert to PNG");
 264                                 }
 265
 266                                 if(imagick_writeimage($handle,$_FILES['picture_file']['tmp_name'])){
 267                                   gosa_log("can't write to specified folder");
 268                                 }
 269
 270                                 imagick_free($handle);
 271                         }
 272
 273                         /* Activate new picture */
 274                         $this->set_picture($_FILES['picture_file']['tmp_name']);
 275                         }
 276
 277
 278                 /* Save base, since this is no LDAP attribute */
 279                 if (isset($_POST['base']) && chkacl($this->acl, "create") == ""){
 280                         $this->base= $_POST['base'];
 281                 }
 282         }
 283   }
 284
 285
 286   /* Check values */
 287   function check()
 288   {
 289         $message= array();
 290
 291         /* Permissions for that base? */
 292         if ($this->base != ""){
 293                 $new_dn= "cn=".$this->cn.",ou=apps,".$this->base;
 294         } else {
 295                 $new_dn= $this->dn;
 296         }
 297
 298         $ui= get_userinfo();
 299         $acl= get_permissions ($new_dn, $ui->subtreeACL);
 300         $acl= get_module_permission($acl, "application", $new_dn);
 301         if (chkacl($acl, "create") != ""){
 302                 $message[]= _("You have no permissions to create a application on this 'Base'.");
 303         }
 304
 305         /* All required fields are set? */
 306         if ($this->cn == ""){
 307                 $message[]= _("Required field 'Name' is not filled.");
 308         }
 309
 310         if(preg_match("/[^a-z0-9]/",$this->cn)) {
 311                 $message[]=_("Invalid character in application name. Only a-z 0-9 are allowed.");
 312         }
 313
 314         if ($this->gosaApplicationExecute == ""){
 315                 $message[]= _("Required field 'Execute' is not filled.");
 316         }
 317
 318         /* Check for existing application */
 319         $ldap= $this->config->get_ldap_link();
 320         $ldap->cd($this->config->current["BASE"]);
 321         $ldap->search("(&(objectClass=gosaApplication)(cn=$this->cn))");
 322         $ldap->fetch();
 323         if ($ldap->count() != 0 && $this->dn == "new"){
 324                 $message[]= _("There's already an application with this 'Name'.");
 325         }
 326
 327         return $message;
 328   }
 329
 330
 331   /* Save to LDAP */
 332   function save()
 333   {
 334         plugin::save();
 335                 $this->attrs["gosaApplicationIcon"]= $this->gosaApplicationIcon;
 336
 337         /* Write back to ldap */
 338         $ldap= $this->config->get_ldap_link();
 339         $ldap->cat($this->dn);
 340         $a= $ldap->fetch();
 341         if (count($a)){
 342                 $ldap->cd($this->dn);
 343                         $ldap->modify($this->attrs);
 344                         $this->handle_post_events("modify");
 345         } else {
 346                         $ldap->cd($this->config->current['BASE']);
 347                         $ldap->create_missing_trees(preg_replace('/^[^,]+,/', '', $this->dn));
 348                 $ldap->cd($this->dn);
 349                         $ldap->add($this->attrs);
 350                         $this->handle_post_events("add");
 351         }
 352         show_ldap_error($ldap->get_error());
 353   }
 354
 355   function set_picture($filename)
 356   {
 357         if (!is_file($filename)){
 358                 $filename= "./images/default_icon.png";
 359                 $this->gosaApplicationIcon= "*removed*";
 360         }
 361
 362         if (file_exists($filename)){
 363                 $fd = fopen ($filename, "rb");
 364                 $this->iconData= fread ($fd, filesize ($filename));
 365                 $_SESSION['binary']= $this->iconData;
 366                 $_SESSION['binarytype']= "image/jpeg";
 367                 $this->gosaApplicationIcon= $this->iconData;
 368
 369                 fclose ($fd);
 370         }
 371   }
 372
 373
 374 }
 375
 376 ?>