wwwroot/nodes.php

   1 <?php
   2 // output buffering forcing (mx)
   3 if (!empty($_POST['FORCE_OB']) && $_POST['FORCE_OB'] == 'true') ob_start();
   4
   5 //header("Location: http://web.archive.org/web/20020925021139/http://kyberia.sk");
   6 //echo "je to uz uplne v pici. vsetky data su stratene, prajem pekny den :)";
   7 //exit;
   8
   9 //starting timer for benchmarking purposes
  10 $timer_start=Time()+SubStr(MicroTime(),0,8);
  11
  12 //setting PHPSESSID cookie and starting user session
  13 session_start();
  14
  15 error_reporting(1);
  16 //$_SESSION['debugging']=1;
  17 //exit;
  18
  19
  20 if ($_SESSION['debugging']) {
  21
  22     error_reporting(E_ALL);
  23     echo "GET VARIABLES::<br/>";
  24     print_r($_GET);
  25     echo "POST VARIABLES::<br/>";
  26     print_r($_POST);
  27     echo "<b>SESSION VARIABLES::</b><br/>";
  28     print_r($_SESSION);
  29 }
  30
  31
  32 //Path info (Experimental - thish should replace most of mod_rewrites in future...)
  33 @$PATH_INFO=trim($_SERVER[PATH_INFO]);
  34 if($PATH_INFO != '') {
  35         $PATH_CHUNKS = preg_split("/\//", $PATH_INFO);
  36         if(isset($PATH_CHUNKS[1])) switch($PATH_CHUNKS[1]) {
  37                 case 'k':
  38                         if(isset($PATH_CHUNKS[2]) && $PATH_CHUNKS[2] != '') $_GET['node_kid'] = $PATH_CHUNKS[2];
  39                         if(isset($PATH_CHUNKS[3]) && $PATH_CHUNKS[3] != '') $_GET['template_kid'] = $PATH_CHUNKS[3];
  40                         break;
  41                 case 'id':
  42                         if(isset($PATH_CHUNKS[2]) && $PATH_CHUNKS[2] != '') $_GET['node_id'] = $PATH_CHUNKS[2];
  43                         if(isset($PATH_CHUNKS[3]) && $PATH_CHUNKS[3] != '') $_GET['template_id'] = $PATH_CHUNKS[3];
  44                         break;
  45                 default:
  46                         if($PATH_CHUNKS[1] != '') $_GET['node_name'] = $PATH_CHUNKS[1];
  47                         if(isset($PATH_CHUNKS[2]) && $PATH_CHUNKS[2] != '') $_GET['template_kid'] = $PATH_CHUNKS[2];
  48                         break;
  49         }
  50 }
  51
  52 //Base36 http://en.wikipedia.org/wiki/Base_36 (Initial support only :-)
  53 if(isset($_GET['node_kid'])) $_GET['node_id'] = base_convert($_GET['node_kid'], 36, 10);
  54 if(isset($_GET['template_kid'])) $_GET['template_id'] = base_convert($_GET['template_kid'], 36, 10);
  55
  56 //requiring main config file with path/database etc. constants
  57 require('config/config.inc');
  58 require(INCLUDE_DIR.'senate.inc');
  59
  60 if (isset($_SERVER['HTTP_REFERER'])) {
  61         preg_match("/id\/([0-9]*)\//",$_SERVER['HTTP_REFERER'],$ref_match);
  62         $referer_id=$ref_match[1];
  63 }
  64
  65 //connecting to database and creating universal $db object
  66 require(INCLUDE_DIR.'log.inc');
  67 require(INCLUDE_DIR.'ubik.inc');
  68 require(INCLUDE_DIR.'nodes.inc');
  69 require(INCLUDE_DIR.'error_messages.inc');
  70 require(INCLUDE_DIR.'database.inc');
  71
  72 $db = new CLASS_DATABASE();
  73
  74 if (!empty($_GET['template_id'])) {
  75         $template_id=$_GET['template_id'];
  76 } else {
  77         $template_id=false;
  78 }
  79
  80 //initializing node methods
  81 if (!empty($_GET['node_name'])) {
  82         $node  = nodes::redirByName($_GET['node_name']);
  83 } elseif (!empty($_GET['node_id'])) {
  84         $node = nodes::getNodeById($_GET['node_id'],
  85                 (isset($_SESSION['user_id']))?$_SESSION['user_id']:'');
  86 }
  87
  88 //XXX Paths are wrong (!)
  89 //loading smarty template engine and setting main parameters
  90 require(SMARTY_DIR.'Smarty.class.php');
  91 $smarty = new Smarty;
  92
  93 //$smarty->php_handling = SMARTY_PHP_REMOVE; //XXX
  94 $smarty->template_dir = TEMPLATE_DIR;
  95 //echo TEMPLATE_DIR.TEMPLATE_SET;
  96 //echo $smarty->template_dir;
  97 $smarty->compile_dir = SYSTEM_DATA."templates_c/";
  98 $smarty->config_dir = SMARTY_DIR.'configs/'; //XXX neexistuje
  99 $smarty->cache_dir = SMARTY_DIR.'cache/';
 100 $smarty->plugins_dir = SMARTY_PLUGIN_DIR ;
 101 if ($_SESSION['debugging']) $smarty->debugging=true;
 102
 103 // initializing variables
 104 // preg_replace prevents LFI
 105 if (empty($_POST['event'])) $event=false;
 106 else $event= preg_replace( "![^a-zA-Z0-9_]+!", "", $_POST['event']);
 107
 108
 109 if ($_SESSION['debugging']) {
 110         echo "<pre><b>NODE::";
 111         print_r($node);
 112         echo "</pre>";
 113 }
 114
 115 if ((isset($_SESSION['user_id']) && ($node['node_creator']==$_SESSION['user_id']))) {
 116         $node['node_permission']='owner';
 117 }
 118
 119 if (isset($_SESSION['cube_vector']) && ($_SESSION['cube_vector'])) {
 120         if (strpos($node['node_vector'],$_SESSION['cube_vector'])===false) {
 121                 echo "node::".$node['node_vector'];
 122                 echo "cube_Vector::".$_SESSION['cube_vector'];
 123                 echo "you are out of allowed cwbe. access forbidden";
 124                 die();
 125         }
 126 }
 127
 128 //if not existent node show our own 404
 129 if (empty($node)) {
 130         $nodes= nodes::getNodesByName($_GET['node_name']);
 131         if ($nodes) {
 132                 $smarty->assign('nodes',$nodes);
 133                 $content=$smarty->display("404.tpl");
 134                 die();
 135         }
 136         elseif ($_SESSION['user_id']) {
 137                 $smarty->assign('node_name',$_GET['node_name']);
 138                 $content=$smarty->display("modules/addnode.tpl");
 139         }
 140 }
 141
 142 //modifying node glass pearl //XXX WTF
 143 if (is_array($children_types[$node['node_type']])) {
 144         $smarty->assign('children_types',$children_types[$node['node_type']]);
 145 }
 146 $smarty->assign('types',$types);
 147
 148
 149 //$node['node_type']=$types[$node['node_type']];
 150 $node['node_content']= StripSlashes($node['node_content']);
 151 $node['node_name']= StripSlashes($node['node_name']);
 152
 153 //checking permissions
 154 function _checkPermissions()
 155 {
 156         global $permissions, $node;
 157
 158         require(INCLUDE_DIR.'permissions.inc');
 159         $permissions=permissions::checkPermissions($node);
 160         $permissions['h']=permissions::isHierarch($node);
 161 }
 162
 163 // mail rss
 164 if ($template_id=='rss') //XXX WHAT?
 165 {
 166         $_feedType = "RSS0.91";
 167         if (!is_numeric($_SESSION['user_id']))
 168         {
 169                 if (!isset($_SERVER['PHP_AUTH_USER'])) {
 170                         header('WWW-Authenticate: Basic realm="Kyberia"');
 171                         header('HTTP/1.0 401 Unauthorized');
 172                         echo 'Cancel button';
 173                         exit;
 174                 }
 175                 else
 176                 {
 177                         require_once(EVENT_DIR.'/login.inc');
 178                         $_POST['login'] = $_SERVER['PHP_AUTH_USER'];
 179                         $_POST['password'] = $_SERVER['PHP_AUTH_PW'];
 180                         $_POST['login_type'] = "name";
 181                         if (!login())
 182                         {
 183                                 echo "Zle meno/heslo.";
 184                                 exit();
 185                         }
 186                 }
 187         }
 188
 189         _checkPermissions();
 190
 191         // Mail
 192         if ($_GET['node_id']==='24' && $permissions['r'])
 193         {
 194            require_once(INCLUDE_DIR.'/feedcreator.class.php');
 195
 196            $rss = new UniversalFeedCreator();
 197            $rss->title = "Kyberia mail";
 198            $rss->description = "";
 199            $rss->link = "https://". SYSTEM_URL . "/id/24";
 200
 201                 //XXX into function
 202            $query = "select date_format(mail.mail_timestamp,\"%e.%c. %k:%i:%s\") as cas,
 203    userfrom.user_action as locationfrom_action,
 204    userfrom.user_action_id as locationfrom_action_id,
 205    userto.user_action as locationto_action,
 206    userto.user_action_id as locationto_action_id,
 207    userto.login as mail_to_name, userfrom.login as mail_from_name,
 208    mail.* from mail left join users as userfrom on
 209    mail_from=userfrom.user_id left join users as userto on mail_to=userto.user_id
 210    where mail_user='$_SESSION[user_id]' and mail_to='$_SESSION[user_id]' order by mail_id desc limit 0,10";
 211
 212            $set = $db->query($query);
 213
 214            while($set->next()) {
 215                    $m = $set->getRecord();
 216                    if ($m['mail_to'] != $_SESSION['user_id'])
 217                            continue;
 218                    $item = new FeedItem();
 219                    $item->title = $m['mail_from_name'];
 220                    $item->link = "https://".SYSTEM_URL."/id/24";
 221                    $item->description = $m['mail_text'];
 222                    $rss->addItem($item);
 223            }
 224         }
 225         // bookmarks
 226         elseif ($_GET['node_id']=='19' && $permissions['r'])
 227         {
 228                 require_once(INCLUDE_DIR.'/feedcreator.class.php');
 229
 230                 $rss = new UniversalFeedCreator();
 231                 $rss->title = "Kyberia bookmarks";
 232                 $rss->link = "http://".SYSTEM_URL."/id/19"; //XXX https ?
 233
 234                 require_once(SMARTY_PLUGIN_DIR.'/function.get_bookmarks.php');
 235                 smarty_function_get_bookmarks(array(), $smarty);
 236                 $_items = $smarty->get_template_vars('get_bookmarks');
 237                 foreach ($_items as $_item)
 238                 {
 239                         if (is_array($_item['children']))
 240                                 foreach ($_item['children'] as $_b)
 241                                 {
 242                                         $item = new FeedItem();
 243                                         $item->title = $_b['node_name'];
 244                                         $item->link = "http://".SYSTEM_URL."/id/".$_b['node_id']."/rss";
 245                                         $rss->addItem($item);
 246                                 }
 247                 }
 248                 $_feedType = 'OPML';
 249         }
 250         elseif ($permissions['r'])
 251         {
 252                 require_once(INCLUDE_DIR.'/feedcreator.class.php');
 253
 254                 $rss = new UniversalFeedCreator();
 255                 $rss->title = $node['node_name'];
 256                 $rss->description = "";
 257                 $rss->link = "http://".SYSTEM_URL."/id/".$node['node_id'];
 258
 259                 // K list
 260                 if ($_GET['node_id']=='15')
 261                 {
 262                         require_once(SMARTY_PLUGIN_DIR.'/function.get_k.php');
 263                         smarty_function_get_k(array(), $smarty);
 264                         $_items = $smarty->get_template_vars('get_k');
 265                 }
 266                 else
 267                 {
 268                         require_once(SMARTY_PLUGIN_DIR.'/function.get_children.php');
 269                         smarty_function_get_children(
 270                                 array('orderby' => 'desc', 'orderby_type' => 'time'), $smarty);
 271                         $_items = $smarty->get_template_vars('get_children');
 272                 }
 273
 274                 foreach ($_items as $_item)
 275                 {
 276                         $item = new FeedItem();
 277                         $item->title = $_item['node_name'];
 278                         $item->link = "http://".SYSTEM_URL."/id/".$_item['node_id'];
 279                         $item->description = $_item['node_content'];
 280                         $rss->addItem($item);
 281                 }
 282         }
 283
 284         if ($permissions['r']) $rss->showFeed($_feedType);
 285         exit();
 286 }
 287
 288 _checkPermissions();
 289
 290 //entering the node
 291
 292 //sventest
 293 if (($permissions['r']) || ($event != 'register')) {
 294
 295         //performing node_events (based on update/insert/delete db queries)
 296         if ($event) {
 297                 require(INCLUDE_DIR.'eventz.inc');
 298         }
 299
 300         elseif ($transaction) {
 301                 require(INCLUDE_DIR.'transaction.inc');
 302         }
 303         //end of performing node events
 304
 305         //sventest
 306 }
 307
 308
 309 if ($permissions['r']) {
 310
 311 // these 4 lines are not the source of kyberia lagging problems.
 312 // leave them. started on the 10.4.
 313 // data gained will be used for scientific purposes
 314
 315 // if (isset($_SESSION['user_id']) {
 316 //      log_levenshtein($_SESSION['user_id'],$node['node_id']);
 317 // }
 318
 319 if ((isset($_SESSION['user_id'])) && ($_SESSION['user_id'])) {
 320         $q="insert delayed into levenshtein set user_id='".$_SESSION['user_id']."',node_id='".$node['node_id']."'";
 321         $db->update($q);
 322 }
 323
 324 //if node is css
 325 //XXX into function
 326 if ($node['template_id']!='2019721'){
 327
 328         logger::log('enter',$node['node_id'],'ok',$node['node_user_subchild_count']);
 329         if (!empty($_SESSION['user_id']) && is_numeric($node['node_id'])) {
 330                 $q="update node_access set visits=visits+1,node_user_subchild_count='0',last_visit=NOW() where node_id='".$node['node_id']."' and user_id='".$_SESSION['user_id']."'";
 331 //              echo $q;
 332                 $result=$db->update($q);
 333
 334                 if (!$result) {
 335                         $q="insert into node_access set user_id='".$_SESSION['user_id']."',node_id='".$node['node_id']."',last_visit=NOW()";
 336                         $db->query($q);
 337                 }
 338         }//end of if node os css
 339 }
 340
 341 }
 342
 343 //XXX into function
 344 // if (isset($_SESSION['user_id']) {
 345 //      if (isset($referer_id)) {
 346 //              update_nodes($_SESSION['user_id'],$node['node_id'],$referer_id);
 347 //      } else {
 348 //              update_nodes($_SESSION['user_id'],$node['node_id'],0);
 349 //      }
 350 // }
 351
 352 // DO NOT MESS WITH THIS !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
 353 //creating neural network
 354 $db->update("update nodes set node_views=node_views+1 where node_id='".$node['node_id']."'");
 355 if (isset($referer_id) && is_numeric($referer_id)) {
 356         $q="update neurons set synapse=synapse+1 where dst='".$node['node_id']."' and src='$referer_id'";
 357         $result=$db->update($q);
 358         if (!$result) {
 359                 $q="insert into neurons set synapse_creator='".$_SESSION['user_id']."',dst='".$node['node_id']."',src='$referer_id',synapse=1";
 360                 $db->query($q);
 361                 }
 362 }
 363
 364
 365 elseif (!$permissions['r'] && $_GET['magic_word']) {
 366         $magic_word_big=$_GET['magic_word'];
 367
 368         if ( preg_match("/(\d+)-(.+)/",$_GET['magic_word'],$mu)) {
 369                 $magic_uid=$mu['1'];
 370                 $magic_word=addslashes($mu['2']);
 371                 // XXX WTF column magic_word does not exists
 372                 $q="select login from users where user_id='$magic_uid' and magic_word='$magic_word'";
 373                 $set=$db->query($q);
 374                 if ($set->getNumRows()) {
 375                         $permissions['r']=true;
 376                 }
 377         }
 378 }
 379
 380
 381
 382
 383
 384 else {
 385         logger::log('enter',$node['node_id'],'failed');
 386 }
 387
 388
 389
 390 //assigning user data to smarty if user logged in
 391 if (isset($_SESSION['user_id'])&&($user_id=$_SESSION['user_id'])) {
 392         $smarty->assign('_POST',$_POST);
 393         $smarty->assign('bookmarks',$_SESSION['bookmarks']);
 394         $smarty->assign('ignore',$_SESSION['ignore']);
 395         $smarty->assign('bookstyl',$_SESSION['bookstyl']);
 396         $smarty->assign('fook',$_SESSION['fook']);
 397         $smarty->assign('user_id',$_SESSION['user_id']);
 398         if (!empty($_SESSION['cube_vector']))
 399                 $smarty->assign('cube_vector',$_SESSION['cube_vector']);
 400         $smarty->assign('friends',$_SESSION['friends']); //req by freezy, done by darkaural
 401         $smarty->assign('user_quota',$_SESSION['user_quota']);
 402
 403         // XXX into function
 404         $newmail_q = sprintf('select u.user_mail_id
 405                                 , u.user_k
 406                                 , u.k_wallet
 407                                 , u.user_mail
 408                                 , ms.user_id as mail_sender_id
 409                                 , ms.login as mail_sender
 410                                 from users u
 411                                 left join users ms on ms.user_id = u.user_mail_id
 412                                 where u.user_id = %d',
 413                                 $user_id);
 414         $newmailset = $db->query($newmail_q);
 415
 416
 417         $newmailset->next();
 418         $new_mail=$newmailset->getString('user_mail');
 419         // XXX into function
 420         $newmailset2 = $db->query("select users.user_mail_id,mailsender.login
 421  from users left join users as mailsender on users.user_mail_id = mailsender.user_id where users.user_id = '$user_id'");
 422         $newmailset2->next();
 423         $smarty->assign('new_mail',$new_mail);
 424         $smarty->assign('new_mail_name',$newmailset->getString('mail_sender'));
 425         $smarty->assign('new_mail_name2',$newmailset2->getString('login'));
 426         $user_k=$newmailset->getString('user_k');
 427         $smarty->assign('user_k',$user_k);
 428         $k_wallet=$newmailset->getString('k_wallet');
 429         $smarty->assign('k_wallet',$k_wallet);
 430         $user_id=$_SESSION['user_id'];
 431
 432         //mail node
 433         if ($node['node_name']=='mail') {
 434
 435                 //clear new mail message
 436
 437                 if ($new_mail) $db->query("update users set user_mail=0 where user_id='$user_id'");
 438
 439                 //set messages as delivered to recipient
 440                 $set=$db->query("select mail_id,mail_duplicate_id from mail where mail_user='$user_id' and mail_to='$user_id' and mail_read='no'");
 441                 while($set->next()) {
 442                         $db->query("update mail set mail_read='yes' where mail_id='".$set->getString('mail_duplicate_id')."'");
 443                         $db->query("update mail set mail_read='yes' where mail_id='".$set->getString('mail_id')."'");
 444
 445                         $new_messages[$set->getString('mail_id')]=true;
 446                 }
 447 /*
 448                 if (count($new_messages)) {
 449                         $db->query("update mail set mail_read='yes' where mail_user='$user_id' and mail_user=mail_to and mail_read='no'");
 450                         $smarty->assign('new_messages',$new_messages);
 451
 452                 }
 453 */
 454         }
 455 }
 456
 457
 458
 459 if ($node['node_system_access']=='crypto') {
 460         $smarty->assign('crypto_pass',$_SESSION['crypto'][$node['node_id']]);
 461 }
 462
 463 $smarty->assign('error',$error);
 464 $smarty->assign('permissions',$permissions);
 465 $smarty->assign('current_vector',$node['node_vector']);
 466 if ($permissions['r']) $smarty->assign('node',$node);
 467 else {
 468
 469         $smarty->assign('node',$node);
 470         //new templates by Dark matter
 471         $smarty->template_dir=OWN_TEMPLATE_DIR;
 472
 473         $smarty->display('1549864.tpl');
 474         $smarty->display('1549885.tpl');
 475         $smarty->display('630526.tpl');
 476         die();
 477
 478         //redirect to mainpage
 479 // looks like poeple totaly hate this redirect!
 480 //      header("Location: /id/1");
 481 }
 482
 483
 484 // XXX into function
 485 if (($node['template_id']!='2019721') && (isset($_SESSION['user_id']))){
 486 //setting user location
 487 $q="update users set last_action=NOW(),user_location_vector='".$node['node_vector']."',user_action='".addslashes($node['node_name'])."',user_action_id='".$node['node_id']."' where user_id='".$_SESSION['user_id']."'";
 488 $db->executequery($q);
 489 }
 490
 491 $whole_time=SubStr((Time()+SubStr(MicroTime(),0,8)-$timer_start),0,7);
 492 $smarty->assign('whole_time',$whole_time);
 493
 494
 495 if ($template_id=='download' OR $template_id=='download.jpg') {
 496         if ($permissions['r']) {
 497         $linkname = SYSTEM_ROOT."/files/".$node['node_id'];
 498         $filename= readlink($linkname);
 499         $suffix=preg_replace("/(.*?)\.(.*?)/i","$2",$filename);
 500
 501         $ext = substr( $filename,-3 );
 502         if( $filename == "" ) {
 503            echo "ERROR: Empty file to download. ";
 504            exit;
 505         } elseif ( ! file_exists( $filename ) ) {
 506                 exit;
 507         };
 508         switch( strtolower($ext) ){
 509            case "pdf": $ctype="application/pdf";              break;
 510            case "exe": $ctype="application/octet-stream";      break;
 511            case "zip": $ctype="application/zip";              break;
 512            case "doc": $ctype="application/msword";            break;
 513            case "xls": $ctype="application/vnd.ms-excel";      break;
 514            case "ppt": $ctype="application/vnd.ms-powerpoint"; break;
 515            case "gif": $ctype="image/gif";                    break;
 516            case "png": $ctype="image/png";                    break;
 517            case "jpg": $ctype="image/jpg";                    break;
 518            default:    $ctype="application/force-download";
 519         }
 520         $file=str_replace(" ","_",$node['node_name']).".$ext";
 521         header("Pragma: public");
 522         header("Expires: 0");
 523         header("Cache-Control: must-revalidate, post-check=0, pre-check=0");
 524         header("Content-Type: $ctype");
 525         $user_agent = strtolower ($_SERVER["HTTP_USER_AGENT"]);
 526         if ((is_integer (strpos($user_agent, "msie"))) && (is_integer
 527         (strpos($user_agent, "win")))) {
 528            header( "Content-Disposition: filename=$file;" );
 529         } else  {
 530            header( "Content-Disposition: attachment;
 531         filename=$file;" );
 532         }
 533         header("Content-Transfer-Encoding: binary");
 534         header("Content-Length: ".filesize($filename));
 535         readfile("$filename");
 536         exit();
 537         }
 538         else { echo "you don't have permissions for downloading this data"; die(); }
 539 }
 540
 541 if ($node['template_id']=='2019721'){
 542 Header("Cache-control: max-age=3600");
 543 }else{
 544 Header("Cache-control: no-cache");
 545 Header("Expires:".gmdate("D, d M Y H:i:s")." GMT");
 546 header("Last-Modified: ".gmdate("D, d M Y H:i:s")." GMT");
 547 }
 548
 549
 550 //for cases like search & preview
 551         $smarty->assign('post_vars',$_POST);
 552 if (!empty($_POST['template_event'])) {
 553         $smarty->assign('template_event',$_POST['template_event']);
 554
 555 }
 556
 557 //setting listing parameters
 558         $children_count=$node['node_children_count'];
 559         $descendant_count=$node['node_descendant_count'];
 560
 561         if (isset($_POST['listing_amount']) && is_numeric($_POST['listing_amount'])) {
 562                 $listing_amount=mysql_real_escape_string($_POST['listing_amount']);
 563         }elseif (!empty($_SESSION['listing_amount'])) $listing_amount=$_SESSION['listing_amount'];
 564         else $listing_amount=DEFAULT_LISTING_AMOUNT;
 565         $smarty->assign('listing_amount',$listing_amount);
 566
 567         if (isset($_POST['listing_order']) && $_POST['listing_order']) {
 568                 $listing_order=mysql_real_escape_string($_POST['listing_order']);
 569         } elseif (!empty($_SESSION['listing_order'])) $listing_order=$_SESSION['listing_order'];
 570         else $listing_order=DEFAULT_LISTING_ORDER;
 571         $smarty->assign('listing_order',$listing_order);
 572
 573         if (isset ($_POST['get_children_offset']) && is_numeric($_POST['get_children_offset'])) {
 574                 $offset=$_POST['get_children_offset'];
 575         } else { $offset=0; }
 576
 577
 578         //movement forward and backward
 579 //      if ($listing_order=='asc' && !$offset) $offset=$descendant_count-$listing_amount;
 580
 581         if ($_POST['get_children_move']=='<') {
 582                 $offset=$offset-$listing_amount;
 583               if ($offset<0) $offset=0;
 584         }
 585         elseif ($_POST['get_children_move']=='>') {
 586                 $offset=$offset+$listing_amount;
 587         }
 588         elseif ($_POST['get_children_move']=='>>') {
 589                 $offset=$descendant_count-$listing_amount;
 590         }
 591
 592         elseif ($_POST['get_children_move']=='<<') {
 593                $offset=0;
 594         }
 595         if ($offset<0) $offset=0;
 596         $_POST['offset']=$offset;
 597         $smarty->assign('offset',$offset);
 598
 599
 600 if ($node['external_link']=='header://svg' && !is_numeric($template_id)) {
 601         header("Content-Type: image/svg+xml");
 602 }
 603
 604 //show own header
 605 elseif (isset($_SESSION['header_id']) && ($_SESSION['header_id']==true)) {
 606         $smarty->assign('header_id',$_SESSION['header_id']);
 607         $smarty->template_dir=OWN_TEMPLATE_DIR;
 608         $content=$smarty->fetch($_SESSION['header_id'].".tpl");
 609         $smarty->template_dir = TEMPLATE_DIR.TEMPLATE_SET;
 610         //not registered user
 611         if ($_SESSION['header_id']==2091520) {
 612                 echo $content;
 613                 session_destroy();
 614                 die();
 615         }
 616 }
 617
 618 $smarty->template_dir=OWN_TEMPLATE_DIR;
 619
 620 if (is_numeric($template_id)) {
 621         $content.=$smarty->fetch($template_id.".tpl");
 622 }
 623
 624 else {
 625         $template_id=$node['template_id'];
 626         $content.=$smarty->fetch($node['template_id'].".tpl");
 627 }
 628
 629 if ($template_id=='2019721'){
 630         $content=$smarty->fetch($template_id.".tpl");
 631         echo $content;
 632 }else{
 633         $time=SubStr((Time()+SubStr(MicroTime(),0,8)-$timer_start),0,7);
 634         echo $content;
 635 //      echo "<center>page generation took: $time second</center>";
 636 }
 637 //end of displaying
 638
 639 // output buffering forcing (mx)
 640 if (!empty($_POST['FORCE_OB']) && $_POST['FORCE_OB'] == 'true') ob_end_flush();
 641
 642 ?>