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