Fixed HTTP_REFERER parsing so the network of axons & dendrites among nodes can be...
[mirrors/Kyberia-bloodline.git] / wwwroot / nodes.php
index 88f1b3cc2b3b969b6f88746898f0e668ed093cd0..1d68665516f06b3f697a799aa3f4d610193affbd 100644 (file)
 <?php
-// output buffering forcing (mx)
-if (!empty($_POST['FORCE_OB']) && $_POST['FORCE_OB'] == 'true') ob_start();
-
-//header("Location: http://kyberia.sk");
-// just a little joke:-))) darkaural
-//header("Location: http://kenny.in-the-hell.org/albums/album22/HPIM1443.sized.jpg");
-//header("Location: http://zoznamka.azet.sk/inzeraty.phtml?&kat=8");
-//header("Location: http://web.archive.org/web/20020925021139/http://kyberia.sk");
-//echo "este posledna pauza :)";
-//exit;
-//die("tak este nie ;o)<br>uplatky posielajte postovou poukazkou ;-p<br>prajem pekny den<br>stab<br>");
-//echo "je to uz uplne v pici. vsetky data su stratene, prajem pekny den :)";
-//exit;
-error_reporting(0);
-// echo "<center>prvy april presiel ale ja nechcem byt koderom azetu takze ring volny</center>";
-//echo "ehm, roztiekla sa databaza, zachovajte paniku, snad sme o hodinku spat ;)<br>br";
-//echo "<title>establishing artificial environment</title><br><br><center>healing database inconsistency.comeback today</center>";
-//echo '<body bgcolor=black><center><img src="http://kyberia.sk/images/under-construction.gif"><br><font color=silver>je mi luto, ale nachvilku to musim sundat ;). s pozdravom brrrrr </font></center></body>';
-//echo '<body bgcolor=black><center><img src="http://kyberia.sk/images/construction.jpg"><br><font color=silver>je mi luto, ale nachvilku to musim sundat ;). s pozdravom br </font></center></body>';
-//session_start();
-//if ($_GET['node_id'] != 2334 && $_SESSION['user_id'] != '2334' && $_SESSION['user_id'] != 2095638 && $_SESSION['user_id'] != 2088 && $_GET['node_id'] != 1478235) {
-//echo "<body><center><img src='/images/stuff/kyberia-stickerIV.jpg' /><br /><br />";
-//echo "<b><h3>snazime sa nieco spravit s rychlostou, stay tuned.</h3></b><br />";
-//echo "PS: my sme to odpojili z vonka</center></body>";
-//exit;
-//}
+//requiring main config file with path/database etc. constants
+require_once('config/config.inc'); 
+
+//Ask for auth if enabled...
+//if(isset($realm) && isset($users)) require_once(INCLUDE_DIR.'http_auth.php'); 
+
 //starting timer for benchmarking purposes
 $timer_start=Time()+SubStr(MicroTime(),0,8);
-
 //setting PHPSESSID cookie and starting user session
-session_start();
 
+//error reporting has to be before session_start
+error_reporting(-1);
+ini_set('display_errors','On');
+session_start();
 
-if ($_SESSION['debugging']) {
-
-    error_reporting(E_ALL);
-    echo "GET VARIABLES::<br/>";
-    print_r($_GET);
-    echo "POST VARIABLES::<br/>";
-    print_r($_POST);
-    echo "<b>SESSION VARIABLES::</b><br/>";
-    print_r($_SESSION);
+@ini_set('magic_quotes_gpc' , 'off');
+if(get_magic_quotes_gpc()) {
+       die("Error: magic_quotes_gpc needs to be disabled! F00K!\n");
 }
 
-//requiring main config file with path/database etc. constants
-require('config/config.inc');
-require('inc/senate.inc');
-
-preg_match("/id\/(.*)\//",$_SERVER['HTTP_REFERER'],$ref_match);
-$referer_id=$ref_match[1];
+//Smarty from DB
+$smarty_resource = 'kyberia';
 
 //connecting to database and creating universal $db object
-require(SYSTEM_ROOT.'inc/log.inc');
-require(SYSTEM_ROOT.'inc/ubik.inc');
-require(SYSTEM_ROOT.'inc/nodes.inc');
-require(SYSTEM_ROOT.'inc/error_messages.inc');
-require(SYSTEM_ROOT.'inc/database.inc');
+//require_once(INCLUDE_DIR.'senate.inc'); // in config already
+require_once(INCLUDE_DIR.'log.inc');
+require_once(INCLUDE_DIR.'ubik.inc');
+require_once(INCLUDE_DIR.'nodes.inc');
+require_once(INCLUDE_DIR.'error_messages.inc');
+require_once(INCLUDE_DIR.'database.inc');
+require_once(INCLUDE_DIR.'transports.inc');
+
+$db = new CLASS_DATABASE();
+
+switch(true) {
+       case preg_match('/id\/([0-9]+)(?:\/([a-zA-Z0-9]+)\/?)?/',$_SERVER['PATH_INFO'],$match):
+               $_GET['node_id']=$match[1];
+               if (!empty($match[2])) {
+                       $_GET['template_id']=$match[2];
+               }
+               //Base36
+/*
+               if(!count($_POST) && !(isset($_GET['template_id']) && $_GET['template_id'] == 'download')) { //Fix ugly download hack...
+                       header('Location: /k/'.base_convert($_GET['node_id'], 10, 36).
+                               (isset($_GET['template_id'])?'/'.base_convert($_GET['template_id'], 10, 36):'')
+                       );
+                       die("Die!!! All Fascists Are Bastards...\n")
+               }
+*/
+               break;
+
+       case preg_match('/k\/([a-z0-9]{1,7})(?:\/([a-z0-9]+))?/',$_SERVER['PATH_INFO'],$match):
+               $_GET['node_id']=base_convert($match[1], 36, 10);
+               if (!empty($match[2])) {
+                       $_GET['template_id']=$match[2];
+               }
+               break;
+       case preg_match('/name\/(.*?)\/?$/',$_SERVER['PATH_INFO'],$match):
+               $_GET['node_id']  = nodes::getNodeIdByName($match[1]);
+               break;
+       case preg_match('/search\/(.*?)\/?$/',$_SERVER['PATH_INFO'],$match):
+               //$query  = nodes::getNodeIdByName($match[1]);
+               //XXX TODO: Predat searchi az bude fungovat
+               break;
+       case preg_match('/\/(.+)\/?$/',$_SERVER['PATH_INFO'],$match):
+               $_GET['node_id']  = nodes::getNodeIdByName($match[1]);
+               break;
+       default:
+               $_GET['node_id']=1; //WELCOME_NODE
+               break;
+}
+
 
-$db=new CLASS_DATABASE();
 
 if (!empty($_GET['template_id'])) {
        $template_id=$_GET['template_id'];
+} else {
+       $template_id=false;
 }
-else $template_id=false;
-
-//initializing node methods
-if (!empty($_GET['node_name'])) {
-       //omfg what's this! jail , jail, penalty of death!
-       // reopened by [CENSORED], keep this in secret, then you can benefit from it..
-       if(strpos($_GET['node_name'],'0')===0) {
-               $numbah=$_GET['node_name'];
-               $db->query("set character_set_connection=latin2");
-               $set=$db->query("select * from tz.gts where full_number='$numbah'");
-               $set->next();
-               echo $set->getString('full_name')."<br>";
-               echo $set->getString('full_street')."<br>";
-               echo $set->getString('city')."<br>";
-               echo $set->getString('psc')."<br>";
-               echo $set->getString('company')."<br>";
 
-               die();
-       }
-
-       else $node = nodes::redirByName($_GET['node_name']);
-       // END OF JAIL ;)
-       $node  = nodes::redirByName($_GET['node_name']);
-}
-elseif (!empty($_GET['node_id'])) {
-       $node = nodes::getNodeById($_GET['node_id'],$_SESSION['user_id']);
+error_reporting(E_ALL);
+//use wwwroot/debugswitch.php (from Your browser) to switch debugging on/off 
+if(isset($_SESSION['debugging']) && $_SESSION['debugging']) {
+    ini_set('display_errors','On');
+    echo 'GET VARIABLES::<br/>';
+    print_r($_GET);
+    echo 'POST VARIABLES::<br/>';
+    print_r($_POST);
+    echo 'FILES VARIABLES::<br/>';
+    print_r($_FILES);    
+    echo '<b>SESSION VARIABLES::</b><br/>';
+    print_r($_SESSION);
+} else {
+       $_SESSION['debugging']=false;
+       set_error_handler('logger::error_handler');
 }
 
+require_once(INCLUDE_DIR.'logout_idle.inc'); //Logout when idle
+
+//initializing node
+$node = nodes::getNodeById($_GET['node_id'],(isset($_SESSION['user_id']))?$_SESSION['user_id']:'');
+
+//XXX Paths are wrong (!)
 //loading smarty template engine and setting main parameters
 require(SMARTY_DIR.'Smarty.class.php');
 $smarty = new Smarty;
+require(INCLUDE_DIR.'smarty/resource.kyberia.php');
+$smarty->default_resource_type=$smarty_resource;
 
-$smarty->template_dir = TEMPLATE_DIR.TEMPLATE_SET;
+//$smarty->php_handling = SMARTY_PHP_REMOVE; //XXX
+$smarty->template_dir = TEMPLATE_DIR;
 //echo TEMPLATE_DIR.TEMPLATE_SET;
 //echo $smarty->template_dir;
-$smarty->compile_dir = SYSTEM_ROOT."data/templates_c/".TEMPLATE_SET;
-$smarty->config_dir = SMARTY_DIR.'configs/';
+$smarty->compile_dir = SYSTEM_DATA.'templates_c/';
+$smarty->config_dir = SMARTY_DIR.'configs/'; //XXX neexistuje
 $smarty->cache_dir = SMARTY_DIR.'cache/';
 $smarty->plugins_dir = SMARTY_PLUGIN_DIR ;
-if ($_SESSION['debugging']) $smarty->debugging=true;
+if (isset($_SESSION['debugging']) && $_SESSION['debugging']) $smarty->debugging=true;
 
-//initializing variables
-if (empty($_POST['event'])) $event=false;
-else $event=$_POST['event'];
+// initializing variables
+// preg_replace prevents LFI
+if (empty($_POST['event'])) $event='display';
+else $event= preg_replace( "![^a-zA-Z0-9_]+!", "", $_POST['event']);
 
 
-if ($_SESSION['debugging']) {
+if (isset($_SESSION['debugging']) && $_SESSION['debugging']) {
        echo "<pre><b>NODE::";
        print_r($node);
        echo "</pre>";
 }
 
-if ($node['node_creator']==$_SESSION['user_id']) $node['node_permission']='owner';
+if ((isset($_SESSION['user_id']) && ($node['node_creator']==$_SESSION['user_id']))) {
+       $node['node_permission']='owner';
+}
 
-if ($_SESSION['cube_vector']) {
+if (isset($_SESSION['cube_vector']) && ($_SESSION['cube_vector'])) {
        if (strpos($node['node_vector'],$_SESSION['cube_vector'])===false) {
                echo "node::".$node['node_vector'];
                echo "cube_Vector::".$_SESSION['cube_vector'];
@@ -125,481 +143,47 @@ if ($_SESSION['cube_vector']) {
        }
 }
 
-//if not existent node show our own 404
-if (empty($node)) {
-       $nodes= nodes::getNodesByName($_GET['node_name']);
-       if ($nodes) {
-               $smarty->assign('nodes',$nodes);
-               $content=$smarty->display("404.tpl");
-               die();
-       }
-       elseif ($_SESSION['user_id']) {
-               $smarty->assign('node_name',$_GET['node_name']);
-               $content=$smarty->display("modules/addnode.tpl");
-       }
-}
-
-//modifying node glass pearl
-if (is_array($children_types[$node['node_type']])) $smarty->assign('children_types',$children_types[$node['node_type']]);
-$smarty->assign('types',$types);
-
-
-//$node['node_type']=$types[$node['node_type']];
-$node['node_content']=StripSlashes($node['node_content']);
-$node['node_name']=StripSlashes($node['node_name']);
+#@include_once(INCLUDE_DIR.'mail_rss.inc'); //haluz...
 
 //checking permissions
-function _checkPermissions()
-{
-       global $permissions, $node;
-
-       require(SYSTEM_ROOT.'inc/permissions.inc');
-       $permissions=permissions::checkPermissions($node);
-       $permissions['h']=permissions::isHierarch($node);
-}
-
-// mail rss
-if ($template_id=='rss')
-{
-       $_feedType = "RSS0.91";
-       if (!is_numeric($_SESSION['user_id']))
-       {
-               if (!isset($_SERVER['PHP_AUTH_USER'])) {
-                       header('WWW-Authenticate: Basic realm="Kyberia"');
-                       header('HTTP/1.0 401 Unauthorized');
-                       echo 'Cancel button';
-                       exit;
-               }
-               else
-               {
-                       require_once(EVENT_DIR.'/login.inc');
-                       $_POST['login'] = $_SERVER['PHP_AUTH_USER'];
-                       $_POST['password'] = $_SERVER['PHP_AUTH_PW'];
-                       $_POST['login_type'] = "name";
-                       if (!login())
-                       {
-                               echo "Zle meno/heslo.";
-                               exit();
-                       }
-               }
-       }
-
-       _checkPermissions();
-
-       // Mail
-       if ($_GET['node_id']==='24' && $permissions['r'])
-       {
-          require_once(INCLUDE_DIR.'/feedcreator.class.php');
-
-          $rss =& new UniversalFeedCreator();
-          $rss->title = "Kyberia mail";
-          $rss->description = "";
-          $rss->link = "https://kyberia.sk/id/24";
-
-          $query = "select date_format(mail.mail_timestamp,\"%e.%c. %k:%i:%s\") as cas,
-   userfrom.user_action as locationfrom_action,
-   userfrom.user_action_id as locationfrom_action_id,
-   userto.user_action as locationto_action,
-   userto.user_action_id as locationto_action_id,
-   userto.login as mail_to_name, userfrom.login as mail_from_name,
-   mail.* from mail left join users as userfrom on
-   mail_from=userfrom.user_id left join users as userto on mail_to=userto.user_id
-   where mail_user='$_SESSION[user_id]' and mail_to='$_SESSION[user_id]' order by mail_id desc limit 0,10";
-
-          $set = $db->query($query);
-
-          while($set->next()) {
-                  $m = $set->getRecord();
-                  if ($m['mail_to'] != $_SESSION['user_id'])
-                          continue;
-                  $item =& new FeedItem();
-                  $item->title = $m['mail_from_name'];
-                  $item->link = "https://kyberia.sk/id/24";
-                  $item->description = $m['mail_text'];
-                  $rss->addItem($item);
-          }
-       }
-       // bookmarks
-       elseif ($_GET['node_id']=='19' && $permissions['r'])
-       {
-               require_once(INCLUDE_DIR.'/feedcreator.class.php');
-
-               $rss =& new UniversalFeedCreator();
-               $rss->title = "Kyberia bookmarks";
-               $rss->link = "http://kyberia.sk/id/19";
-
-               require_once(SMARTY_PLUGIN_DIR.'/function.get_bookmarks.php');
-               smarty_function_get_bookmarks(array(), $smarty);
-               $_items = $smarty->get_template_vars('get_bookmarks');
-               foreach ($_items as $_item)
-               {
-                       if (is_array($_item['children']))
-                               foreach ($_item['children'] as $_b)
-                               {
-                                       $item =& new FeedItem();
-                                       $item->title = $_b['node_name'];
-                                       $item->link = "http://kyberia.sk/id/".$_b['node_id']."/rss";
-                                       $rss->addItem($item);
-                               }
-               }
-               $_feedType = 'OPML';
-       }
-       elseif ($permissions['r'])
-       {
-               require_once(INCLUDE_DIR.'/feedcreator.class.php');
-
-               $rss =& new UniversalFeedCreator();
-               $rss->title = $node['node_name'];
-               $rss->description = "";
-               $rss->link = "http://kyberia.sk/id/".$node['node_id'];
-
-               // K list
-               if ($_GET['node_id']=='15')
-               {
-                       require_once(SMARTY_PLUGIN_DIR.'/function.get_k.php');
-                       smarty_function_get_k(array(), $smarty);
-                       $_items = $smarty->get_template_vars('get_k');
-               }
-               else
-               {
-                       require_once(SMARTY_PLUGIN_DIR.'/function.get_children.php');
-                       smarty_function_get_children(
-                               array('orderby' => 'desc', 'orderby_type' => 'time'), $smarty);
-                       $_items = $smarty->get_template_vars('get_children');
-               }
-
-               foreach ($_items as $_item)
-               {
-                       $item =& new FeedItem();
-                       $item->title = $_item['node_name'];
-                       $item->link = "http://kyberia.sk/id/".$_item['node_id'];
-                       $item->description = $_item['node_content'];
-                       $rss->addItem($item);
-               }
-       }
-
-       if ($permissions['r']) $rss->showFeed($_feedType);
-       exit();
-}
-
-_checkPermissions();
-
-//entering the node
-
-//sventest
-if (($permissions['r']) || ($event != 'register')) {
-
-//performing node_events (based on update/insert/delete db queries)
-if ($event) {
-       require(SYSTEM_ROOT.'inc/eventz.inc');
-}
-
-elseif ($transaction) {
-       require(SYSTEM_ROOT.'inc/transaction.inc');
-}
-//end of performing node events
-
-//sventest
-}
-
-
-if ($permissions['r']) {
-
-//these 4 lines are not the source of kyberia lagging problems. leave them. started on the 10.4. data gained will be used for scientific purposes
-if ($_SESSION['user_id']) {
-       $q="insert delayed into levenshtein set user_id='".$_SESSION['user_id']."',node_id='".$node['node_id']."'";
-       $db->update($q);
+include_once(BACKEND_DIR.'/'.DB_TYPE.'/permissions.inc');
+$permissions=permissions::checkPerms($node);
+if (!empty($_SESSION['debugging']) && $_SESSION['debugging']) {
+       print_r($permissions);
 }
 
-//if node is css
-if ($node['template_id']!='2019721'){
 
-       log::log('enter',$node['node_id'],'ok',$node['node_user_subchild_count']);
-       if (!empty($_SESSION['user_id']) && is_numeric($node['node_id'])) {
-               $q="update node_access set visits=visits+1,node_user_subchild_count='0',last_visit=NOW() where node_id='".$node['node_id']."' and user_id='".$_SESSION['user_id']."'";
-//             echo $q;
-               $result=$db->update($q);
 
-               if (!$result) {
-                       $q="insert into node_access set user_id='".$_SESSION['user_id']."',node_id='".$node['node_id']."',last_visit=NOW()";
-                       $db->query($q);
-       }
-}//end of if node os css
-}
-
-
-       }
 // DO NOT MESS WITH THIS !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
 //creating neural network
+if  (preg_match('/id\/(\d+)/',$_SERVER['HTTP_REFERER'],$match)) {
+       $referer_id=$match[1];
+} elseif (preg_match('/k\/([a-z0-9]{1,7})/',$_SERVER['HTTP_REFERER'],$match)) {
+       $referer_id=base_convert($match[1], 36, 10);
+} elseif (preg_match('/name\/(.*?)\/?$/',$_SERVER['HTTP_REFERER'],$match)) {
+       $referer_id  = nodes::getNodeIdByName($match[1]);
+}
+
 $db->update("update nodes set node_views=node_views+1 where node_id='".$node['node_id']."'");
-if (is_numeric($referer_id)) {
+if (isset($referer_id) && is_numeric($referer_id)) {
        $q="update neurons set synapse=synapse+1 where dst='".$node['node_id']."' and src='$referer_id'";
        $result=$db->update($q);
        if (!$result) {
                $q="insert into neurons set synapse_creator='".$_SESSION['user_id']."',dst='".$node['node_id']."',src='$referer_id',synapse=1";
                $db->query($q);
                }
+} else {
+       logger::log('enter',$node['node_id'],'failed');
 }
 
 
-elseif (!$permissions['r'] && $_GET['magic_word']) {
-       $magic_word_big=$_GET['magic_word'];
-
-       if ( preg_match("/(\d+)-(.+)/",$_GET['magic_word'],$mu)) {
-               $magic_uid=$mu['1'];
-               $magic_word=addslashes($mu['2']);
-               $q="select login from users where user_id='$magic_uid' and magic_word='$magic_word'";
-               $set=$db->query($q);
-               if ($set->getNumRows()) {
-                       $permissions['r']=true;
-               }
-       }
-}
-
-
-
-
-
-else {
-       log::log('enter',$node['node_id'],'failed');
-}
-
-
-
-//assigning user data to smarty if user logged in
-if ($user_id=$_SESSION['user_id']) {
-       $smarty->assign('_POST',$_POST);
-       $smarty->assign('bookmarks',$_SESSION['bookmarks']);
-       $smarty->assign('ignore',$_SESSION['ignore']);
-       $smarty->assign('bookstyl',$_SESSION['bookstyl']);
-       $smarty->assign('fook',$_SESSION['fook']);
-       $smarty->assign('user_id',$_SESSION['user_id']);
-       if (!empty($_SESSION['cube_vector'])) $smarty->assign('cube_vector',$_SESSION['cube_vector']);
-        $smarty->assign('friends',$_SESSION['friends']); //req by freezy, done by darkaural
-       $smarty->assign('user_quota',$_SESSION['user_quota']);
-       $newmailset=$db->query("select user_mail,user_mail_name,user_k,k_wallet from users where user_id='$user_id'");
-       $newmailset->next();
-       $new_mail=$newmailset->getString('user_mail');
-       $newmailset2 = $db->query("select users.user_mail_id,mailsender.login
- from users left join users as mailsender on users.user_mail_id = mailsender.user_id where users.user_id = '$user_id'");
-       $newmailset2->next();
-       $smarty->assign('new_mail',$new_mail);
-       $smarty->assign('new_mail_name',$newmailset->getString('user_mail_name'));
-       $smarty->assign('new_mail_name2',$newmailset2->getString('login'));
-       $user_k=$newmailset->getString('user_k');
-       $smarty->assign('user_k',$user_k);
-       $k_wallet=$newmailset->getString('k_wallet');
-       $smarty->assign('k_wallet',$k_wallet);
-       $user_id=$_SESSION['user_id'];
-
-       //mail node
-       if ($node['node_name']=='mail') {
-
-               //clear new mail message
-               if ($new_mail) $db->query("update users set user_mail=0 where user_id='$user_id'");
-
-               //set messages as delivered to recipient
-               $set=$db->query("select mail_id,mail_duplicate_id from mail where mail_user='$user_id' and mail_to='$user_id' and mail_read='no'");
-               while($set->next()) {
-                       $db->query("update mail set mail_read='yes' where mail_id='".$set->getString('mail_duplicate_id')."'");
-                       $db->query("update mail set mail_read='yes' where mail_id='".$set->getString('mail_id')."'");
-
-                       $new_messages[$set->getString('mail_id')]=true;
-               }
-/*
-               if (count($new_messages)) {
-                       $db->query("update mail set mail_read='yes' where mail_user='$user_id' and mail_user=mail_to and mail_read='no'");
-                       $smarty->assign('new_messages',$new_messages);
-
-               }
-*/
-       }
-}
-
-
-
-if ($node['node_system_access']=='crypto') {
-       $smarty->assign('crypto_pass',$_SESSION['crypto'][$node['node_id']]);
-}
-
-//hlaska
-//$error .= "ocakavajte planovany vypadok okolo 6 hodiny <br>
-//s pozdravom br .)";
-//$error .= "dnes od 22:00 zurka v subclube! ucast povinna!";
-
-$smarty->assign('error',$error);
-$smarty->assign('permissions',$permissions);
-$smarty->assign('current_vector',$node['node_vector']);
-if ($permissions['r']) $smarty->assign('node',$node);
-else {
-
-       $smarty->assign('node',$node);
-       //new templates by Dark matter
-       $smarty->template_dir=OWN_TEMPLATE_DIR;
-
-       $smarty->display('1549864.tpl');
-       $smarty->display('1549885.tpl');
-       $smarty->display('630526.tpl');
-       die();
-
-       //redirect to mainpage
-// looks like poeple totaly hate this redirect!
-//     header("Location: /id/1");
-}
-
 
-if ($node['template_id']!='2019721'){
-//setting user location
-$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']."'";
-$db->executequery($q);
-}
-
-$whole_time=SubStr((Time()+SubStr(MicroTime(),0,8)-$timer_start),0,7);
-$smarty->assign('whole_time',$whole_time);
-
-
-if ($template_id=='download' OR $template_id=='download.jpg') {
-       if ($permissions['r']) {
-       $linkname = SYSTEM_ROOT."/files/".$node['node_id'];
-       $filename= readlink($linkname);
-       $suffix=preg_replace("/(.*?)\.(.*?)/i","$2",$filename);
-
-       $ext = substr( $filename,-3 );
-       if( $filename == "" ) {
-          echo "ERROR: Empty file to download. ";
-          exit;
-       } elseif ( ! file_exists( $filename ) ) {
-               exit;
-       };
-       switch( strtolower($ext) ){
-          case "pdf": $ctype="application/pdf";              break;
-          case "exe": $ctype="application/octet-stream";      break;
-          case "zip": $ctype="application/zip";              break;
-          case "doc": $ctype="application/msword";            break;
-          case "xls": $ctype="application/vnd.ms-excel";      break;
-          case "ppt": $ctype="application/vnd.ms-powerpoint"; break;
-          case "gif": $ctype="image/gif";                    break;
-          case "png": $ctype="image/png";                    break;
-          case "jpg": $ctype="image/jpg";                    break;
-          default:    $ctype="application/force-download";
-       }
-       $file=str_replace(" ","_",$node['node_name']).".$ext";
-       header("Pragma: public");
-       header("Expires: 0");
-       header("Cache-Control: must-revalidate, post-check=0, pre-check=0");
-       header("Content-Type: $ctype");
-       $user_agent = strtolower ($_SERVER["HTTP_USER_AGENT"]);
-       if ((is_integer (strpos($user_agent, "msie"))) && (is_integer
-       (strpos($user_agent, "win")))) {
-          header( "Content-Disposition: filename=$file;" );
-       } else  {
-          header( "Content-Disposition: attachment;
-       filename=$file;" );
-       }
-       header("Content-Transfer-Encoding: binary");
-       header("Content-Length: ".filesize($filename));
-       readfile("$filename");
-       exit();
-       }
-       else { echo "you don't have permissions for downloading this data"; die(); }
-}
-
-if ($node['template_id']=='2019721'){
-Header("Cache-control: max-age=3600");
-}else{
-Header("Cache-control: no-cache");
-Header("Expires:".gmdate("D, d M Y H:i:s")." GMT");
-header("Last-Modified: ".gmdate("D, d M Y H:i:s")." GMT");
-}
-
-
-//for cases like search & preview
-       $smarty->assign('post_vars',$_POST);
-if (!empty($_POST['template_event'])) {
-       $smarty->assign('template_event',$_POST['template_event']);
-
-}
-
-//setting listing parameters
-        $children_count=$node['node_children_count'];
-       $descendant_count=$node['node_descendant_count'];
-
-        if (is_numeric($_POST['listing_amount'])) $listing_amount=$_POST['listing_amount'];
-        elseif (!empty($_SESSION['listing_amount'])) $listing_amount=$_SESSION['listing_amount'];
-        else $listing_amount=DEFAULT_LISTING_AMOUNT;
-       $smarty->assign('listing_amount',$listing_amount);
-
-       if ($_POST['listing_order']) $listing_order=$_POST['listing_order'];
-       elseif (!empty($_SESSION['listing_order'])) $listing_order=$_SESSION['listing_order'];
-       else $listing_order=DEFAULT_LISTING_ORDER;
-       $smarty->assign('listing_order',$listing_order);
-
-       if (is_numeric($_POST['get_children_offset'])) $offset=$_POST['get_children_offset'];
-        else $offset=0;
-
-
-        //movement forward and backward
-//     if ($listing_order=='asc' && !$offset) $offset=$descendant_count-$listing_amount;
-
-        if ($_POST['get_children_move']=='<') {
-               $offset=$offset-$listing_amount;
-                     if ($offset<0) $offset=0;
-        }
-        elseif ($_POST['get_children_move']=='>') {
-               $offset=$offset+$listing_amount;
-        }
-       elseif ($_POST['get_children_move']=='>>') {
-               $offset=$descendant_count-$listing_amount;
-               }
-
-        elseif ($_POST['get_children_move']=='<<') {
-               $offset=0;
-        }
-        if ($offset<0) $offset=0;
-        $_POST['offset']=$offset;
-        $smarty->assign('offset',$offset);
-
-
-if ($node['external_link']=='header://svg' && !is_numeric($template_id)) {
-       header("Content-Type: image/svg+xml");
-}
-
-//show own header
-elseif ($_SESSION['header_id']==true) {
-       $smarty->assign('header_id',$_SESSION['header_id']);
-       $smarty->template_dir=OWN_TEMPLATE_DIR;
-       $content=$smarty->fetch($_SESSION['header_id'].".tpl");
-       $smarty->template_dir = TEMPLATE_DIR.TEMPLATE_SET;
-       //not registered user
-       if ($_SESSION['header_id']==2091520) {
-               echo $content;
-               session_destroy();
-               die();
+//entering the node (executing the eventz)
+if (($permissions['r']) || ($event != 'register')) {
+       //performing node_events (based on update/insert/delete db queries)
+       if ($event) {
+               require(INCLUDE_DIR.'eventz.inc');
        }
 }
 
-$smarty->template_dir=OWN_TEMPLATE_DIR;
-
-if (is_numeric($template_id)) {
-       $content.=$smarty->fetch($template_id.".tpl");
-}
-
-else {
-       $template_id=$node['template_id'];
-       $content.=$smarty->fetch($node['template_id'].".tpl");
-}
-
-if ($template_id=='2019721'){
-       $content=$smarty->fetch($template_id.".tpl");
-       echo $content;
-}else{
-       $time=SubStr((Time()+SubStr(MicroTime(),0,8)-$timer_start),0,7);
-       echo $content;
-//     echo "<center>page generation took: $time second</center>";
-}
-//end of displaying
-
-// output buffering forcing (mx)
-if (!empty($_POST['FORCE_OB']) && $_POST['FORCE_OB'] == 'true') ob_end_flush();
-
 ?>
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