From 565372df0e271c144fc3427d9571c3b7df8f67bc Mon Sep 17 00:00:00 2001
From: Xenomporio <>
Date: Fri, 20 May 2022 16:15:07 +0200
Subject: [PATCH] Removed external communication with xentral servers

---
 www/pages/systemlog.php | 2158 ++++++++++++++++++++-------------------
 www/pages/welcome.php   |   14 +-
 2 files changed, 1089 insertions(+), 1083 deletions(-)

diff --git a/www/pages/systemlog.php b/www/pages/systemlog.php
index 28a3719b..26afca20 100644
--- a/www/pages/systemlog.php
+++ b/www/pages/systemlog.php
@@ -1,1081 +1,1083 @@
 <?php
-/*
-**** COPYRIGHT & LICENSE NOTICE *** DO NOT REMOVE ****
-* 
-* Xentral (c) Xentral ERP Sorftware GmbH, Fuggerstrasse 11, D-86150 Augsburg, * Germany 2019
-*
-* This file is licensed under the Embedded Projects General Public License *Version 3.1. 
-*
-* You should have received a copy of this license from your vendor and/or *along with this file; If not, please visit www.wawision.de/Lizenzhinweis 
-* to obtain the text of the corresponding license version.  
-*
-**** END OF COPYRIGHT & LICENSE NOTICE *** DO NOT REMOVE ****
+/*
+**** COPYRIGHT & LICENSE NOTICE *** DO NOT REMOVE ****
+* 
+* Xentral (c) Xentral ERP Sorftware GmbH, Fuggerstrasse 11, D-86150 Augsburg, * Germany 2019
+*
+* This file is licensed under the Embedded Projects General Public License *Version 3.1. 
+*
+* You should have received a copy of this license from your vendor and/or *along with this file; If not, please visit www.wawision.de/Lizenzhinweis 
+* to obtain the text of the corresponding license version.  
+*
+**** END OF COPYRIGHT & LICENSE NOTICE *** DO NOT REMOVE ****
 */
 ?>
-<?php
-class Systemlog {
-  /** @var Application $app */
-  var $app;
-
-  public const TLS_TEST_URL = 'https://update.xentral.biz/tlstest.php';
-
-  /**
-   * Systemlog constructor.
-   *
-   * @param Application $app
-   * @param bool        $intern
-   */
-  public function __construct($app, $intern = false) {
-    $this->app=$app;
-    if($intern)
-    {
-      return;
-    }
-    $this->app->ActionHandlerInit($this);
-
-    $this->app->ActionHandler("list","SystemlogList");
-    $this->app->ActionHandler("minidetail","SystemlogMiniDetail");
-    $this->app->ActionHandler("datenbank","SystemlogDatenbank");
-    $this->app->ActionHandler("timeout","SystemlogTimeout");
-    //$this->app->ActionHandler("delete","SystemlogDelete");
-    //$this->app->ActionHandler("deleteall","SystemlogDeleteAll");
-
-    $this->app->DefaultActionHandler("list");
-
-    $this->app->ActionHandlerListen($app);
-  }
-  /*
-     function SystemlogDelete()
-     {
-     $id = $this->app->Secure->GetGET("id");
-     $this->app->DB->Delete("DELETE FROM systemlog WHERE id='$id' LIMIT 1");
-     $msg = $this->app->erp->base64_url_encode("<div class=\"error2\">Der Logeintrag wurde gel&ouml;scht!</div>  ");
-     header("Location: index.php?module=systemlog&action=list&msg=$msg");
-     exit;	
-     }	
-   */
-  /*
-     function SystemlogDeleteAll()
-     {
-     $id = $this->app->Secure->GetGET("id");
-     $this->app->DB->Delete("DELETE FROM systemlog WHERE id > 0");
-     $msg = $this->app->erp->base64_url_encode("<div class=\"error2\">Alle Logeintr&auml;ge wurden wurden gel&ouml;scht!</div>  ");
-     header("Location: index.php?module=systemlog&action=list&msg=$msg");
-     exit;	
-     }	
-   */
-
-  /**
-   * @param Application $app
-   * @param string      $name
-   * @param array       $erlaubtevars
-   *
-   * @return array
-   */
-  public function TableSearch($app, $name, $erlaubtevars)
-  {
-    // in dieses switch alle lokalen Tabellen (diese Live Tabellen mit Suche etc.) für dieses Modul
-    switch($name) {
-      case 'systemlog':
-        $allowed['systemlog'] = array('list');
-
-        // headings
-        $heading = array('', 'Level', 'Zeit', 'Bearbeiter', 'Module', 'Action', 'Parameter', 'Funktion', 'Meldung', 'Men&uuml;');
-        $width = array('4%', '4%', '15%', '10%', '10%', '10%', '10%', '10%', '40%', '10%', '5%');
-        $findcols = array('open', 'a.level', 'a.datum', 'a.bearbeiter', 'a.module', 'a.action', 'a.parameter', 'a.funktionsname', 'a.meldung', 'a.id');
-        $searchsql = array("DATE_FORMAT(a.datum,'%d.%m.%Y %H:%i:%s')", 'a.bearbeiter', 'a.module', 'a.meldung', 'a.action', 'a.parameter', 'a.funktionsname');
-        $defaultorder = 3;
-        $defaultorderdesc = 1;
-        $menucol = 1;
-        $moreinfo = true;
-        $menu = "<table cellpadding=0 cellspacing=0><tr><td nowrap>" .
-          "</td></tr></table>";
-
-        // SQL statement
-        $sql = "SELECT SQL_CALC_FOUND_ROWS a.id, '<img src=./themes/{$this->app->Conf->WFconf['defaulttheme']}/images/details_open.png class=details>' as open, a.level,DATE_FORMAT(a.datum,'%d.%m.%Y %H:%i:%s'), a.bearbeiter, 
-  a.module, a.action, a.parameter, a.funktionsname,a.meldung,CONCAT('module=',a.module,'&action=',a.action,'&id=',a.parameter) FROM systemlog a";
-
-        $count = 'SELECT COUNT(a.id) FROM systemlog a';
-        break;
-    }
-    $erg = [];
-
-    foreach($erlaubtevars as $k => $v) {
-      if(isset($$v)) {
-        $erg[$v] = $$v;
-      }
-    }
-    return $erg;
-  }
-
-  /**
-   * @return array
-   */
-  public function testDatabase()
-  {
-    $ret = ['html' => [],'deleteformdata' => []];
-    foreach($this->dataBaseLinkings() as $verknuepfung) {
-      $verknuepfung[4] = 'delete';
-      $tabelle = $verknuepfung[0];
-      $spalte = $verknuepfung[1];
-      $subtabelle = $verknuepfung[2];
-      $subspalte = $verknuepfung[3];
-      $subwhere = '';
-      if(isset($verknuepfung[5]) && $verknuepfung[5] != '' && isset($verknuepfung[6]) && $verknuepfung[6] != ''){
-        $subwhere = ' AND s.'.$verknuepfung[5]." = '".$verknuepfung[6]."' ";
-      }
-      if(isset($verknuepfung[7])) {
-        $subwhere .= $verknuepfung[7];
-      }
-      $check = $this->app->DB->Select(
-        "SELECT s.`$subspalte` 
-        FROM `$subtabelle` s 
-        LEFT JOIN `$tabelle` t ON s.`$subspalte` = t.`$spalte` 
-        WHERE isnull(t.`$spalte`) AND s.`$subspalte` <> 0 AND not isnull(s.`$subspalte`) $subwhere 
-        LIMIT 1"
-      );
-      if($check) {
-        $aktion = '';
-        if(isset($verknuepfung[4]) && $verknuepfung[4] === 'delete') {
-          $aktion = '<form method="POST">
-            <input type="hidden" name="tabelle" value="'.$tabelle.'" />
-            <input type="hidden" name="spalte" value="'.$spalte.'" />
-            <input type="hidden" name="subtabelle" value="'.$subtabelle.'" />
-            <input type="hidden" name="subspalte" value="'.$subspalte.'" />
-            <input type="submit" name="delete" value="Daten l&ouml;schen" />
-            </form>';
-          $warnung = true;
-          $ret['deleteformdata'][] = [
-            'tabelle'=>$tabelle,
-            'spalte' => $spalte,
-            'subtabelle' => $subtabelle,
-            'subspalte'=>$subspalte,
-          ];
-        }
-        $ret['html'][] = '<tr><td>'.$subtabelle.'.'.$subspalte.'</td><td>'.$tabelle.'.'.$spalte.'</td><td>-</td><td style="color:red;">Eintr&auml;ge mit nicht existierender '.$tabelle.'.'.$spalte.' gefunden</td><td>'.$aktion.'</td></tr>';
-        $ret['warning'] = true;
-      }
-      else{
-        if(!$this->app->DB->error()) {
-          $ret['html'][] = '<tr><td>'.$subtabelle.'.'.$subspalte.'</td><td>'.$tabelle.'.'.$spalte.'</td><td>OK</td><td></td><td></td></tr>';
-        }
-      }
-    }
-
-    if(!empty($ret['warning']) && method_exists($this->app->erp, 'setSystemHealth')) {
-      $this->app->erp->setSystemHealth(
-        'database',
-        'sql_integrity',
-        'warning',
-        '<a target="_blank" href="index.php?module=systemlog&action=datenbank">Eintr&auml;ge mit nicht existierender Verkn&uuml;pfungen gefunden</a>.'
-      );
-    }
-    else {
-      if(method_exists($this->app->erp, 'setSystemHealth')) {
-        $this->app->erp->setSystemHealth(
-          'database',
-          'sql_integrity',
-          'ok',
-          ''
-        );
-      }
-    }
-
-    return $ret;
-  }
-
-  /**
-   * @return array
-   */
-  public function dataBaseLinkings()
-  {
-    return array(
-      array('adresse','id','adresse_accounts','adresse','delete'),
-      array('adresse','id','adresse_kontakte','adresse','delete'),
-      array('adresse','id','lieferadressen','adresse','delete'),
-      array('adresse','id','ansprechpartner','adresse','delete'),
-      array('adresse','id','abrechnungsartikel','adresse'),
-      array('artikel','id','abrechnungsartikel','artikel'),
-      //array('adresse','id','dokumente','adresse_from'),
-      array('adresse','id','dokumente','adresse_to'),
-      array('adresse','id','dokumente_send','adresse'),
-      array('artikel','id','einkaufspreise','artikel'),
-      array('adresse','id','einkaufspreise','adresse'),
-      array('artikel','id','verkaufspreise','artikel'),
-      array('drucker','id','drucker_spooler','drucker'),
-      array('datei','id','datei_version','datei'),
-      array('datei','id','datei_stichwoerter','datei'),
-      array('adresse','id','user','adresse'),
-      array('projekt','id','arbeitspaket','projekt'),
-      array('lager','id','lager_platz','lager'),
-      array('lager_platz','id','lager_platz_inhalt','lager_platz'),
-      array('artikel','id','lager_reserviert','artikel','delete'),
-      array('adresse','id','lager_reserviert','adresse'),
-      array('artikel','id','lager_seriennummern','artikel','delete'),
-      array('artikel','id','lager_platz_inhalt','artikel','delete'),
-      array('artikel','id','lager_mindesthaltbarkeitsdatum','artikel'),
-      array('lager_platz','id','lager_mindesthaltbarkeitsdatum','lager_platz'),
-      array('artikel','id','artikel','variante_von'),
-      array('artikel','id','stueckliste','stuecklistevonartikel'),
-      array('artikel','id','stueckliste','artikel'),
-      array('rechnung','id','rechnung_position','rechnung','delete'),
-      array('rechnung','id','rechnung_protokoll','rechnung','delete'),
-      array('auftrag','id','auftrag_position','auftrag','delete'),
-      array('auftrag','id','auftrag_protokoll','auftrag','delete'),
-      array('angebot','id','angebot_position','angebot','delete'),
-      array('angebot','id','angebot_protokoll','angebot','delete'),
-      array('gutschrift','id','gutschrift_position','gutschrift','delete'),
-      array('gutschrift','id','gutschrift_protokoll','gutschrift','delete'),
-      array('bestellung','id','bestellung_position','bestellung','delete'),
-      array('bestellung','id','bestellung_protokoll','bestellung','delete'),
-      array('produktion','id','produktion_position','produktion','delete'),
-      array('produktion','id','produktion_protokoll','produktion','delete'),
-      array('inventur','id','inventur_position','inventur','delete'),
-      array('inventur','id','inventur_protokoll','inventur','delete'),
-      array('adresse','id','rechnung','adresse'),
-      array('adresse','id','lieferschein','adresse'),
-      array('adresse','id','gutschrift','adresse'),
-      array('adresse','id','auftrag','adresse'),
-      array('adresse','id','angebot','adresse'),
-      array('adresse','id','bestellung','adresse'),
-      array('adresse','id','produktion','adresse'),
-      array('adresse','id','inventur','adresse'),
-      array('artikel','id','produktion_position','artikel'),
-      array('artikel','id','rechnung_position','artikel'),
-      array('artikel','id','auftrag_position','artikel'),
-      array('artikel','id','lieferschein_position','artikel'),
-      array('artikel','id','gutschrift_position','artikel'),
-      array('artikel','id','bestellung_position','artikel'),
-      array('artikel','id','angebot_position','artikel'),
-      array('rechnung','id','pdfarchiv','table_id','delete','table_name','rechnung'),
-      array('auftrag','id','pdfarchiv','table_id','delete','table_name','auftrag'),
-      array('angebot','id','pdfarchiv','table_id','delete','table_name','angebot'),
-      array('gutschrift','id','pdfarchiv','table_id','delete','table_name','gutschrift'),
-      array('bestellung','id','pdfarchiv','table_id','delete','table_name','bestellung'),
-      array('lieferschein','id','pdfarchiv','table_id','delete','table_name','lieferschein'),
-      array('produktion','id','pdfarchiv','table_id','delete','table_name','produktion'),
-      array('rechnung','id','pdfmirror_md5pool','table_id','delete','table_name','rechnung'),
-      array('auftrag','id','pdfmirror_md5pool','table_id','delete','table_name','auftrag'),
-      array('angebot','id','pdfmirror_md5pool','table_id','delete','table_name','angebot'),
-      array('gutschrift','id','pdfmirror_md5pool','table_id','delete','table_name','gutschrift'),
-      array('bestellung','id','pdfmirror_md5pool','table_id','delete','table_name','bestellung'),
-      array('lieferschein','id','pdfmirror_md5pool','table_id','delete','table_name','lieferschein'),
-      array('produktion','id','pdfmirror_md5pool','table_id','delete','table_name','auftrag'),
-      array('auftrag','id','beleg_chargesnmhd','doctypeid','delete','doctype','auftrag'),
-      array('angebot','id','beleg_chargesnmhd','doctypeid','delete','doctype','angebot'),
-      array('gutschrift','id','beleg_chargesnmhd','doctypeid','delete','doctype','gutschrift'),
-      array('lieferschein','id','beleg_chargesnmhd','doctypeid','delete','doctype','lieferschein'),
-      array('rechnung','id','beleg_chargesnmhd','doctypeid','delete','doctype','rechnung'),
-      array('bestellung','id','beleg_chargesnmhd','doctypeid','delete','doctype','bestellung')
-    );
-  }
-
-  /**
-   * @param string $table
-   * @param string $column
-   * @param string $subTable
-   * @param string $subColumn
-   *
-   * @return int
-   */
-  public function deleteTableEntries($table, $column, $subTable, $subColumn) 
-  {
-    $ret = 0;
-    if(empty($table) || empty($column) || empty($subColumn) || empty($subTable)) {
-      return 0;
-    }
-    
-    $linkinSchemas = $this->dataBaseLinkings();
-    foreach ($linkinSchemas as $linkinSchema) {
-      $linkinSchema[4] = 'delete';
-      if(
-        $table == $linkinSchema[0] 
-        && $column == $linkinSchema[1] 
-        && $subTable == $linkinSchema[2] 
-        && $subColumn == $linkinSchema[3] 
-        && !empty($linkinSchema[4]) 
-        && $linkinSchema[4] === 'delete'
-      ) {
-        $subwhere = '';
-        if(!empty($linkinSchema[5]) && $linkinSchema[5] != '' && isset($linkinSchema[6]) && $linkinSchema[6] != '') {
-          $subwhere = ' AND s.' . $linkinSchema[5] . " = '" . $linkinSchema[6] . "' ";
-        }
-        if(!empty($linkinSchema[7])){
-          $subwhere .= $linkinSchema[7];
-        }
-        $this->app->DB->Delete(
-          "DELETE `s` 
-          FROM `$subTable` AS `s` 
-          LEFT JOIN `$table` `t` ON s.`$subColumn` = t.`$column` 
-          WHERE isnull(t.`$column`) AND s.`$subColumn` <> 0 AND not isnull(s.`$subColumn`) $subwhere"
-        );
-        $anz = (int)$this->app->DB->affected_rows();
-        if($anz <= 0) {
-          continue;
-        }
-        $ret += $anz;
-      }
-    }
-    
-    return $ret;
-  }
-
-  public function SystemlogDatenbank()
-  {
-    if($this->app->Secure->GetPOST('cleanconfirm') && $this->app->Secure->GetPOST('cleanall')) {
-      $test = $this->testDatabase();
-      $message = '<div class="info">Keine Datenintegriet&auml;tsprobleme gefunden</div>';
-      if(!empty($test['warning']) && !empty($test['deleteformdata'])) {
-        $sum = 0;
-        foreach($test['deleteformdata'] as $formdata) {
-          $anz = $this->deleteTableEntries(
-            $formdata['tabelle'], $formdata['spalte'], $formdata['subtabelle'], $formdata['subspalte']
-          );
-          if($anz > 0) {
-            $sum += $anz;
-          }
-        }
-        //$anz = $this->deleteTableEntries($tabelle, $spalte, $subtabelle, $subspalte);
-        $test = $this->testDatabase();
-        if(empty($test['warning'])) {
-          $message = sprintf('<div class="info">Es wurden %d Datens&auml;tze gel&ouml;scht</div>', $sum);
-        }
-        else {
-          $message = sprintf('<div class="warning">Es wurden %d Datens&auml;tze gel&ouml;scht. 
-            Es konnten nicht alle Datenintegriet&auml;tsprobleme gel&ouml;st werden</div>', $sum);
-        }
-      }
-
-      $this->app->Location->execute(
-        'index.php?module=systemlog&action=datenbank&msg='.$this->app->erp->base64_url_encode($message)
-      );
-    }
-    $this->SystemlogMenu();
-
-    $this->app->Tpl->Add(
-      'MESSAGE', 
-      '<form method="POST">
-        <div class="info">
-          In dieser &Uuml;bersicht k&ouml;nnen Sie die Datenintegrit&auml;t von Xentral &uuml;berpr&uuml;fen.<br />
-          F&uuml;r weitere Informationen lesen Sie bitte im Handbuch nach. 
-          <input type="submit" name="testen" value="Datenintegrit&auml;t pr&uuml;fen" />
-        </div>
-      </form>'
-    );
-
-    if($this->app->Secure->GetPOST('delete')) {
-      $tabelle = $this->app->Secure->GetPOST('tabelle');
-      $spalte = $this->app->Secure->GetPOST('spalte');
-      $subtabelle = $this->app->Secure->GetPOST('subtabelle');
-      $subspalte = $this->app->Secure->GetPOST('subspalte');
-      $anz = $this->deleteTableEntries($tabelle, $spalte, $subtabelle, $subspalte);
-      if($anz > 0) {
-        $this->app->Tpl->Add(
-          'MESSAGE',
-          '<div class="info">'.$anz.' Eintr&auml;ge gel&ouml;scht</div>'
-        );
-        $this->SystemlogShowResultTable();
-      }
-    }
-    
-    if($this->app->Secure->GetPOST('testen')) {
-      $this->SystemlogShowResultTable();
-    }
-    
-    $this->app->Tpl->Parse('PAGE','tabview.tpl');
-  }
-
-  public function SystemlogShowResultTable(){
-    $test = $this->testDatabase();
-
-    $warnung = false;
-    if(!empty($test)) {
-      $this->app->Tpl->Add(
-        'TAB1',
-        '<table class="mkTable">
-          <tr><th>Tabelle von</th><th>zu</th><th>Status</th><th>Beschreibung</th><th>Aktion</th></tr>'
-      );
-      foreach($test['html'] as $row) {
-        $this->app->Tpl->Add('TAB1', $row);
-      }
-      $warnung = !empty($test['warning']);
-    }
-
-    if($warnung) {
-      $this->app->Tpl->Add(
-        'MESSAGE',
-        '<div class="warning">
-          Vor dem L&ouml;schen ist es dringend empfohlen ein Backup der Datenbank zu machen. 
-          <form method="post"><input type="checkbox" name="cleanconfirm" value="1" /> 
-          <label for="cleanconfirm">{|Ich bestätige dass ich die Daten vorher gesichert habe und wirklich die Daten löschen will|}</label>
-          <input type="submit" name="cleanall" value="{|Alle fehlerhaften Verknüpfungen löschen|}"></form>
-        </div>'
-      );
-    }
-    $this->app->Tpl->Add('TAB1','</table>');
-  }
-
-  public function SystemlogMiniDetail()
-  {
-    $id = (int)$this->app->Secure->GetGET('id');
-    $dump = $id <= 0?null:$this->app->DB->SelectRow(
-      sprintf(
-        'SELECT `argumente`, `funktionsname`, `dump` FROM `systemlog` WHERE `id` = %d LIMIT 1', 
-        $id
-      )
-    );
-    if(empty($dump)) {
-      $this->app->ExitXentral();
-    }
-    echo '<pre>Argumente der Funktion '.$dump['funktionsname']
-      .':<br><br>'.base64_decode($dump['argumente'])
-      .'</pre>';
-    echo '<br><br><pre>Dump:'.$dump['dump'].'</pre>';
-    
-    $this->app->ExitXentral();
-  }
-
-  public function SystemlogTimeout()
-  {
-    $cmd = $this->app->Secure->GetGET('cmd');
-
-    if(is_numeric($cmd) && (int)$cmd > 0) {
-      usleep((int)$cmd * 1000000);
-    }
-    echo 'Erfolgreich durchgelaufen!';
-    $this->app->ExitXentral();
-  }
-
-  /**
-   * @param string $name
-   *
-   * @return bool
-   */
-  public function hasExectuableExtension($name) {
-    if (!function_exists('exec')) {
-      throw new Exception('Required Function exec is missing');
-    }
-    if (!is_string($name)) {
-      return false;
-    }
-    exec(sprintf('whereis %s',$name), $out);
-    if (empty($out)) {
-      return false;
-    }
-    $result = $out[0];
-    $resultExploded = explode(':', $result);
-    array_shift($resultExploded);
-    return !empty(trim(implode("",$resultExploded)));
-  }
-
-  /**
-   * @return bool
-   */
-  public function isTls12Available(): bool
-  {
-    $ch = curl_init();
-    curl_setopt($ch, CURLOPT_URL, self::TLS_TEST_URL);
-    curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
-    curl_setopt ($ch, CURLOPT_SSLVERSION, 6);
-    curl_exec($ch);
-    $curlInfo = curl_getinfo($ch);
-    curl_close($ch);
-
-    return (int)$curlInfo['http_code'] !== 0;
-  }
-
-  /**
-   * @return array
-   */
-  public function getCompatibilities()
-  {
-    $ret = [];
-    $typeToMessage = [];
-    if(!function_exists('fsockopen')) {
-      $tmp['status'] = 'error';
-      $tmp['text'] = 'fsocket nicht installiert!';
-      $ret[] = $tmp;
-    }
-    else {
-      $tmp['status'] = 'ok';
-      $tmp['text'] = 'fsocket verf&uuml;gbar';
-      $ret[] = $tmp;
-    }
-    $typeToMessage['fsocket'] = count($ret) - 1;
-    if(!function_exists('mysqli_connect')) {
-      $tmp['status'] = 'error';
-      $tmp['text'] = 'MYSQLi nicht installiert';
-      $ret[] = $tmp;
-    }
-    else {
-      $tmp['status'] = 'ok';
-      $tmp['text'] = 'MYSQLi verf&uuml;gbar';
-      $ret[] = $tmp;
-    }
-    $typeToMessage['mysqli'] = count($ret) - 1;
-    if(!extension_loaded('mysqlnd')) {
-      $tmp['status'] = 'error';
-      $tmp['text'] = 'Mysqlnd nicht installiert';
-      $ret[] = $tmp;
-    }
-    else {
-      $tmp['status'] = 'ok';
-      $tmp['text'] = 'Mysqlnd verf&uuml;gbar';
-      $ret[] = $tmp;
-    }
-    $typeToMessage['mysqlnd'] = count($ret) - 1;
-    if(!class_exists('\PDO')) {
-      $tmp['status'] = 'error';
-      $tmp['text'] = 'PDO nicht installiert';
-      $ret[] = $tmp;
-    }
-    else {
-      $tmp['status'] = 'ok';
-      $tmp['text'] = 'PDO verf&uuml;gbar';
-      $ret[] = $tmp;
-    }
-    $typeToMessage['pdo'] = count($ret) - 1;
-    if(!function_exists('curl_init')) {
-      $tmp['status'] = 'error';
-      $tmp['text'] = 'cURL nicht installiert';
-      $ret[] = $tmp;
-    }
-    else {
-      $tmp['status'] = 'ok';
-      $tmp['text'] = 'cURL verf&uuml;gbar';
-      $ret[] = $tmp;
-    }
-    $typeToMessage['curl'] = count($ret) - 1;
-    if(!function_exists('stream_socket_enable_crypto')) {
-      $tmp['status'] = 'error';
-      $tmp['text'] = 'stream_socket_enable_crypto nicht installiert';
-      $ret[] = $tmp;
-    }
-    else {
-      $tmp['status'] = 'ok';
-      $tmp['text'] = 'stream_socket_enable_crypto verf&uuml;gbar';
-      $ret[] = $tmp;
-    }
-    $typeToMessage['crypto'] = count($ret) - 1;
-    if(!function_exists('openssl_error_string')) {
-      $tmp['status'] = 'warning';
-      $tmp['text'] = 'OpenSSL nicht installiert';
-      $ret[] = $tmp;
-    }
-    else {
-      $tmp['status'] = 'ok';
-      $tmp['text'] = 'OpenSSL verf&uuml;gbar';
-      $ret[] = $tmp;
-    }
-    $typeToMessage['openssl'] = count($ret) - 1;
-    if(!function_exists('mb_encode_numericentity')) {
-      $tmp['status'] = 'error';
-      $tmp['text'] = 'php-mbstring nicht installiert';
-      $ret[] = $tmp;
-    }
-    else {
-      $tmp['status'] = 'ok';
-      $tmp['text'] = 'php-mbstring verf&uuml;gbar';
-      $ret[] = $tmp;
-    }
-    $typeToMessage['php-mbstring'] = count($ret) - 1;
-    if(!class_exists('SoapClient')) {
-      $tmp['status'] = 'warning';
-      $tmp['text'] = 'php-soap nicht installiert';
-      $ret[] = $tmp;
-    }
-    else {
-      $tmp['status'] = 'ok';
-      $tmp['text'] = 'php-soap verf&uuml;gbar';
-      $ret[] = $tmp;
-    }
-    $typeToMessage['php-soap'] = count($ret) - 1;
-    if(!function_exists('imap_open')) {
-      $tmp['status'] = 'error';
-      $tmp['text'] = 'imap nicht installiert';
-      $ret[] = $tmp;
-    }
-    else {
-      $tmp['status'] = 'ok';
-      $tmp['text'] = 'imap verf&uuml;gbar';
-      $ret[] = $tmp;
-    }
-    $typeToMessage['imap'] = count($ret) - 1;
-    if(!function_exists('simplexml_load_string')) {
-      $tmp['status'] = 'error';
-      $tmp['text'] = 'php-xml nicht installiert';
-      $ret[] = $tmp;
-    }
-    else {
-      $tmp['status'] = 'ok';
-      $tmp['text'] = 'php-xml verf&uuml;gbar';
-      $ret[] = $tmp;
-    }
-    $typeToMessage['php-xml'] = count($ret) - 1;
-    if(!class_exists('ZipArchive')) {
-      $tmp['status'] = 'error';
-      $tmp['text'] = 'php-zip nicht installiert';
-      $ret[] = $tmp;
-    }
-    else {
-      $tmp['status'] = 'ok';
-      $tmp['text'] = 'php-zip verf&uuml;gbar';
-      $ret[] = $tmp;
-    }
-    $typeToMessage['php-zip'] = count($ret) - 1;
-    try {
-      $hasZip = $this->hasExectuableExtension('zip');
-    }
-    catch(Exception $e) {
-      $hasZip = false;
-    }
-
-    if(!$hasZip) {
-      $tmp['status'] = 'warning';
-      $tmp['text'] = 'Binary Zip-extension f&uuml;r Kommandozeilen nicht installiert';
-      $ret[] = $tmp;
-      if(method_exists($this->app->erp, 'setSystemHealth')){
-        $this->app->erp->setSystemHealth(
-          'server',
-          'extension_zip',
-          'warning',
-          'nicht installiert. Backups können nicht erstellt werden'
-        );
-      }
-    }
-    else {
-      $tmp['status'] = 'ok';
-      $tmp['text'] = 'Binary Zip-extension f&uuml;r Kommandozeilen verf&uuml;gbar';
-      $ret[] = $tmp;
-      if(!empty($_GET) && method_exists($this->app->erp, 'setSystemHealth')){
-        $this->app->erp->setSystemHealth(
-          'server',
-          'extension_zip',
-          'ok',
-          'installiert.'
-        );
-      }
-    }
-    $typeToMessage['extension-zip'] = count($ret) - 1;
-
-    if(!function_exists('imagejpeg')) {
-      $tmp['status'] = 'warning';
-      $tmp['text'] = 'PHP GD-Erweiterung nicht installiert';
-      $ret[] = $tmp;
-    }
-    else {
-      $tmp['status'] = 'ok';
-      $tmp['text'] = 'PHP GD-Erweiterung verf&uuml;gbar';
-      $ret[] = $tmp;
-    }
-    $typeToMessage['php-gd'] = count($ret) - 1;
-    if(!function_exists('ldap_connect')) {
-      $tmp['status'] = 'warning';
-      $tmp['text'] = 'PHP LDAP-Erweiterung nicht installiert';
-      $ret[] = $tmp;
-    }
-    else {
-      $tmp['status'] = 'ok';
-      $tmp['text'] = 'PHP LDAP-Erweiterung verf&uuml;gbar';
-      $ret[] = $tmp;
-    }
-    $typeToMessage['php-ldap'] = count($ret) - 1;
-    if(!function_exists('ssh2_connect')) {
-      $tmp['status'] = 'warning';
-      $tmp['text'] = 'PHP SSH2-Erweiterung nicht installiert';
-      $ret[] = $tmp;
-    }
-    else {
-      $tmp['status'] = 'ok';
-      $tmp['text'] = 'PHP SSH2-Erweiterung verf&uuml;gbar';
-      $ret[] = $tmp;
-    }
-    $typeToMessage['tls1-2'] = count($ret) - 1;
-    if(!$this->isTls12Available()) {
-      $tmp['status'] = 'warning';
-      $tmp['text'] = 'TLS 1.2 ist nicht verfügbar';
-      $ret[] = $tmp;
-      if(method_exists($this->app->erp, 'setSystemHealth')){
-        $this->app->erp->setSystemHealth(
-          'server',
-          'tls1-2',
-          'warning',
-          'TLS 1.2 ist nicht verfügbar'
-        );
-      }
-    }
-    else {
-      $tmp['status'] = 'ok';
-      $tmp['text'] = 'TLS 1.2 ist verfügbar';
-      $ret[] = $tmp;
-      if(method_exists($this->app->erp, 'setSystemHealth')){
-        $this->app->erp->setSystemHealth(
-          'server',
-          'tls1-2',
-          'ok',
-          'TLS 1.2 ist verfügbar'
-        );
-      }
-    }
-    $typeToMessage['php-ssh2'] = count($ret) - 1;
-    if(!function_exists('ioncube_loader_version')) {
-      $tmp['status'] = 'warning';
-      $tmp['text'] = 'Ioncube ist nicht installiert (Eine Installation ist trotzdem m&ouml;glich)';
-      $ret[] = $tmp;
-    }
-    else {
-      $ioncube_loader_version = ioncube_loader_version();
-      if($ioncube_loader_version[0]< 5 && $ioncube_loader_version[1] === '.') {
-        $tmp['status'] = 'warning';
-        $tmp['text'] = 'Die Ioncubeversion ist zu alt (Eine Installation ist trotzdem m&ouml;glich)';
-        $ret[] = $tmp;
-      }
-      else{
-        $tmp['status'] = 'ok';
-        $tmp['text'] = 'Ioncube verf&uuml;gbar';
-        $ret[] = $tmp;
-      }
-    }
-    $typeToMessage['ioncube'] = count($ret) - 1;
-    $post_max_size = @ini_get('client_max_body_size');
-    if($post_max_size == ''){
-      $post_max_size = @ini_get('post_max_size');
-    }
-    if(!$post_max_size) {
-      $tmp['status'] = 'warning';
-      $tmp['text'] = 'Es war nicht m&ouml;glich die verf&uuml;gbare Upload-Kapazit&auml;t zu ermitteln. Es werden mindestens 8 MB empfohlen';
-      $ret[] = $tmp;
-    }
-    else{
-      if(strpos($post_max_size, 'M') !== false) {
-        $post_max_size = str_replace('M','', $post_max_size);
-        $post_max_size *= 1024*1024;
-      }
-      elseif(strpos($post_max_size, 'K') !== false) {
-        $post_max_size = str_replace('K','', $post_max_size);
-        $post_max_size *= 1024;
-      }
-
-      if($post_max_size < 8*1024*1024) {
-        $tmp['status'] = 'warning';
-        $tmp['text'] = 'Es sind nur '.round($post_max_size/(1024*1024)).' MB Datei-Upload m&ouml;glich. Empfohlen werden mindestens 8 MB';
-        $ret[] = $tmp;
-        if(method_exists($this->app->erp, 'setSystemHealth')){
-          $this->app->erp->setSystemHealth(
-            'server',
-            'max_upload',
-            'warning',
-            'Es sind nur '.round($post_max_size/(1024*1024)).' MB Datei-Upload m&ouml;glich. Empfohlen werden mindestens 8 MB'
-          );
-        }
-      }
-      else {
-        $tmp['status'] = 'ok';
-        $tmp['text'] = 'Ausreichend Upload-Kapazit&auml;t verf&uuml;gbar (>=8MB)';
-        $ret[] = $tmp;
-        if(method_exists($this->app->erp, 'setSystemHealth')){
-          $this->app->erp->setSystemHealth(
-            'server',
-            'max_upload',
-            'ok',
-            'Ausreichend Upload-Kapazit&auml;t verf&uuml;gbar (>=8MB)'
-          );
-        }
-      }
-    }
-    $typeToMessage['max_post_size'] = $post_max_size;
-    $max_execution_time = @ini_get('fastcgi_read_timeout');
-    if($max_execution_time == ''){
-      $max_execution_time = @ini_get('max_execution_time');
-    }
-    if(!$max_execution_time) {
-      $tmp['status'] = 'warning';
-      $tmp['text'] = 'Es war nicht m&ouml;glich die verf&uuml;gbare die Scriptlauftzeit zu ermitteln. Es werden mindestens 30 Sekunden empfohlen';
-      $ret[] = $tmp;
-    }
-    elseif($max_execution_time < 30) {
-      $tmp['status'] = 'warning';
-      $tmp['text'] = 'Es stehen nur '.$max_execution_time.' Sekunden Scriptlauftzeit zur verf&uuml;gung. Es werden mindestens 30 Sekunden empfohlen';
-      $ret[] = $tmp;
-      if(method_exists($this->app->erp, 'setSystemHealth')){
-        $this->app->erp->setSystemHealth(
-          'server',
-          'max_execution_time',
-          'warning',
-          $tmp['text']
-        );
-      }
-    }
-    else {
-      $tmp['status'] = 'ok';
-      $tmp['text'] = 'Es steht gen&uuml;gend Scriptlauftzeit zur Verf&uuml;gung (>= 30 Sekunden).';
-      $ret[] = $tmp;
-      if(method_exists($this->app->erp, 'setSystemHealth')){
-        $this->app->erp->setSystemHealth(
-          'server',
-          'max_execution_time',
-          'ok',
-          'Es steht gen&uuml;gend Scriptlauftzeit zur Verf&uuml;gung (>= 30 Sekunden).'
-        );
-      }
-    }
-    $typeToMessage['max_execution_size'] = $max_execution_time;
-    $system_cronjob_memory_limit = (string)$this->app->erp->GetKonfiguration('system_cronjob_memory_limit');
-    $system_cronjob_max_execution_time = (string)$this->app->erp->GetKonfiguration('system_cronjob_max_execution_time');
-    if($system_cronjob_memory_limit !== '') {
-      if((int)$system_cronjob_memory_limit <= 0) {
-        $tmp['status'] = 'ok';
-        $tmp['text'] = 'Der Prozessstarter hat gen&uuml;gend Speicher zur Verf&uuml;gung';
-        $ret[] = $tmp;
-      }
-      elseif((int)$system_cronjob_memory_limit <  256 * 1024 * 1024) {
-        $tmp['status'] = 'warning';
-        $tmp['text'] = 'Es stehen nur '.round($system_cronjob_memory_limit / 1024 / 1024).' MB Arbeitsspeicher f&uuml;r den Prozessstarter zur Verf&uuml;gung';
-        $ret[] = $tmp;
-      }
-      else {
-        $tmp['status'] = 'ok';
-        $tmp['text'] = 'Der Prozessstarter hat gen&uuml;gend Speicher zur Verf&uuml;gung';
-        $ret[] = $tmp;
-      }
-    }
-    if($system_cronjob_max_execution_time !== '') {
-      if((int)$system_cronjob_max_execution_time <= 0) {
-        $tmp['status'] = 'ok';
-        $tmp['text'] = 'Die Prozessstarterlaufzeit ist unbegrenzt';
-        $ret[] = $tmp;
-      }
-      elseif((int)$system_cronjob_max_execution_time < 300) {
-        $tmp['status'] = 'warning';
-        $tmp['text'] = 'Die Prozessstarterlaufzeit betr&auml;gt nur '.$system_cronjob_max_execution_time.' Sekunden';
-        $ret[] = $tmp;
-      }
-      else{
-        $tmp['status'] = 'ok';
-        $tmp['text'] = 'Die Prozessstarterlaufzeit betr&auml;gt '.$system_cronjob_max_execution_time.' Sekunden';
-        $ret[] = $tmp;
-      }
-    }
-
-
-    if(PHP_VERSION < 7.2) {
-      $tmp['status'] = 'warning';
-      $tmp['text'] = 'Die PHP Version ist unter 7.2. Ab Xentral 20.2 wird mindestens PHP 7.2 ben&ouml;tigt';
-      $ret[] = $tmp;
-    }
-    if($this->app->DB->GetVersion() < 57) {
-      $tmp['status'] = 'warning';
-      $tmp['text'] = 'Die MySQL Version ist unter 5.7. Ab Xentral 20.2 wird mindestens Mysql 5.7 ben&ouml;tigt';
-      $ret[] = $tmp;
-    }
-
-    $fopenUrlEnabled = ini_get('allow_url_fopen');
-    $fopenUrlEnabled = strtolower($fopenUrlEnabled);
-    if(!in_array($fopenUrlEnabled, ['1', 'true', 'on'])){
-      $ret[] = [
-        'status' => 'warning',
-        'text'   => 'allow_url_fopen ist nicht in der php.ini aktiviert'
-      ];
-    }
-
-    return ['type_to_message' => $typeToMessage ,'messages' => $ret];
-  }
-
-  public function SystemlogList()
-  {
-    $this->SystemlogMenu();
-    $this->app->YUI->TableSearch('TAB1','systemlog','show','','',basename(__FILE__), __CLASS__);
-    $cli_infos = [];
-    $system_phpversion_cli = $this->app->erp->GetKonfiguration('system_phpversion_cli');
-    if(!empty($system_phpversion_cli)){
-      $cli_infos[] = 'CLI-PHP-Version: '.$system_phpversion_cli;
-    }
-    $system_cronjob_memory_limit = (string)$this->app->erp->GetKonfiguration('system_cronjob_memory_limit');
-    if($system_cronjob_memory_limit === '-1' || $system_cronjob_memory_limit === '0') {
-      $cli_infos[] = 'Memory-Limit: unbegrenzt';
-    }
-    elseif(!empty($system_cronjob_memory_limit)) {
-      $cli_infos[] = 'Memory-Limit: '.$system_cronjob_memory_limit;
-    }
-    $system_cronjob_max_execution_time = (string)$this->app->erp->GetKonfiguration('system_cronjob_max_execution_time');
-    if($system_cronjob_max_execution_time === '0') {
-      $cli_infos[] = 'Max-Execution-Time: unbegrenzt';
-    }
-    elseif(!empty($system_cronjob_max_execution_time)) {
-      $cli_infos[] = 'Max-Execution-Time: '.$system_cronjob_max_execution_time;
-    }
-    $system_cronjob_php_ini_loaded_file = $this->app->erp->GetKonfiguration('system_cronjob_php_ini_loaded_file');
-    if(!empty($system_cronjob_php_ini_loaded_file)) {
-      $cli_infos[] = 'Geladene ini-Datei: '.$system_cronjob_php_ini_loaded_file;
-    }
-    $system_cronjob_get_current_user = $this->app->erp->GetKonfiguration('system_cronjob_get_current_user');
-    if(!empty($system_cronjob_get_current_user)) {
-      $cli_infos[] = 'CLI-Benutzer: '.$system_cronjob_get_current_user;
-    }
-    $cli_infos[] = 'Xentral-Pfad: '.dirname(dirname(__DIR__));
-
-    $cli_infos[] = 'Userdata-Pfad: '.$this->app->Conf->WFuserdata;
-
-    $size = (int)$this->app->erp->GetKonfiguration('userdatasize');
-    if($size > 0) {
-      $cli_infos[] = 'Useredata: '.number_format($size,0,',','.') .' MB';
-    }
-    foreach([
-      'dms',
-      'pdfarchiv',
-      'pdfmirror',
-      'tmp',
-      'wiki',
-      'emailbackup',
-      'uebertragung',
-    ] as $value) {
-      $size = (int)$this->app->erp->GetKonfiguration('userdata'.$value.'size');
-      if($size > 0) {
-        $cli_infos[] = 'Useredata '.$value.': '.number_format($size,0,',','.') .' MB';
-      }
-    }
-    $backupsize =  (int)$this->app->erp->GetKonfiguration('backupsize');
-    if($backupsize > 0) {
-      $cli_infos[] = 'Backup: '.number_format($backupsize,0,',','.') .' MB';
-    }
-    $databasesize =  (int)$this->app->erp->GetKonfiguration('databasesize');
-    if($databasesize > 0) {
-      $cli_infos[] = 'Datenbank: '.number_format($databasesize,0,',','.') .' MB';
-    }
-    $databasesizelog =  (int)$this->app->erp->GetKonfiguration('databasesizelog');
-    if($databasesizelog > 0) {
-      $cli_infos[] = 'davon Logeinträge: '.number_format($databasesizelog,0,',','.') .' MB';
-    }
-
-    $lastSizeUpdate = $this->app->erp->GetKonfiguration('lastsizeupdate');
-    if(!empty($lastSizeUpdate) && strtotime($lastSizeUpdate) > 1) {
-      $cli_infos[] = 'Letzte Speicherprüfung: '.date('d.m.Y H:i:s',strtotime($lastSizeUpdate));
-    }
-    /** @var Systemhealth $sytemHealth */
-    $sytemHealth = $this->app->loadModule('systemhealth');
-    $memory = method_exists($sytemHealth, 'getMemory')?$sytemHealth->getMemory():[];
-    if(!empty($memory['memory'])) {
-      $cli_infos[] = 'Arbeitssteicher: '.number_format($memory['memory']['sum'] / 1024,0,',','.') .' MB ('.
-        number_format($memory['memory']['free'] / 1024,0,',','.').' MB frei)';
-    }
-    if(!empty($memory['swap'])) {
-      $cli_infos[] = 'Swap: '.number_format($memory['swap']['sum'] / 1024,0,',','.') .' MB ('.
-        number_format($memory['swap']['free'] / 1024,0,',','.').' MB frei)';
-    }
-
-    if(!empty($cli_infos)) {
-      $this->app->Tpl->Add('TAB3','<div class="info">'.implode('<br />',$cli_infos).'</div>');
-    }
-    $system_cronjob_phpinfo = $this->app->erp->GetKonfiguration('system_cronjob_phpinfo');
-    if(!empty($system_cronjob_phpinfo)) {
-      $this->app->Tpl->Add('TAB3','<fieldset><legend>PHP-Info</legend><pre>');
-      $this->app->Tpl->Add('TAB3',$system_cronjob_phpinfo);
-      $this->app->Tpl->Add('TAB3','</pre></fieldset>');
-    }
-
-    ob_start();
-    phpinfo();
-    $phpinfo = ob_get_clean();
-    
-    $phpinfo = explode('<body>',$phpinfo,2);
-    $phpinfo = $phpinfo[1];
-    $phpinfo = explode('</body>', $phpinfo);
-    $phpinfo = reset($phpinfo);
-    $this->app->Tpl->Add('TAB2','<textarea id="phpinfo">'.$phpinfo.'</textarea>');
-    $this->app->YUI->CkEditor('phpinfo','none',array('height'=>'500px'));
-
-    $ret = $this->getCompatibilities();
-
-    foreach($ret['messages'] as $Message) {
-      $this->app->Tpl->Add(
-        'TAB4',
-        '<div style="font-size:12px;background-color:'
-        .($Message['status'] === 'error'?'#FA5858'
-          :($Message['status'] == 'warning'?'#F4FA58':'#9FF781')
-        ).';">'.$Message['text']."</div><div style=\"height:10px;\"></div>\r\n"
-      );
-    }
-    
-    $this->app->Tpl->Parse('PAGE','systemlog_list.tpl');
-  }
-
-  public function SystemlogMenu()
-  {
-    $this->app->erp->Headlines('Systemlog');
-    $this->app->erp->MenuEintrag('index.php?module=servicetools&action=list','Zur&uuml;ck zur &Uuml;bersicht');
-    $this->app->erp->MenuEintrag('index.php?module=systemlog&action=list','Aktualisieren');
-    $this->app->erp->MenuEintrag('index.php?module=systemlog&action=datenbank','Datenbank pr&uuml;fen');
-  }
-
-  public function Install() {
-    $this->app->erp->CheckTable('systemlog');
-    $this->app->erp->CheckColumn('id','int(11)','systemlog','NOT NULL AUTO_INCREMENT');
-    $this->app->erp->CheckColumn('meldung','TEXT','systemlog','DEFAULT \'\' NOT NULL');
-    $this->app->erp->CheckColumn('dump','TEXT','systemlog','DEFAULT \'\' NOT NULL');
-    $this->app->erp->CheckColumn('module','VARCHAR(64)','systemlog','DEFAULT \'\' NOT NULL');
-    $this->app->erp->CheckColumn('action','VARCHAR(64)','systemlog','DEFAULT \'\' NOT NULL');
-    $this->app->erp->CheckColumn('bearbeiter','VARCHAR(64)','systemlog','DEFAULT \'\' NOT NULL');
-    $this->app->erp->CheckColumn('funktionsname','VARCHAR(64)','systemlog','DEFAULT \'\' NOT NULL');
-    $this->app->erp->CheckColumn('datum','DATETIME','systemlog');
-    $this->app->erp->CheckColumn('parameter','int(11)','systemlog','DEFAULT 0 NOT NULL');
-    $this->app->erp->CheckColumn('argumente','TEXT','systemlog','DEFAULT \'\' NOT NULL');
-    $this->app->erp->CheckColumn('level','int(11)','systemlog','DEFAULT 0 NOT NULL');
-
-    $this->app->erp->RegisterHook('systemhealth_cronjob', 'systemlog', 'SystemhealthCronjob');
-  }
-
-  public function SystemhealthCronjob()
-  {
-    $this->testDatabase();
-
-    $this->getCompatibilities();
-  }
-
-  /**
-   * @param string $meldung
-   * @param int    $level
-   * @param string $dump
-   * @param string $module
-   * @param string $action
-   * @param string $functionname
-   *
-   * @return int|string|null
-   */
-  public function addSystemLog($meldung='',$level=0,$dump='',$module='',$action='',$functionname='')
-  {
-    $isSecure = isset($this->app->Secure);
-    if($module=='' && $isSecure) {
-      $module = (string)$this->app->Secure->GetGET('module');
-    }
-    if($action=='' && $isSecure) {
-      $action = (string)$this->app->Secure->GetGET('action');
-    }
-    $id = 0;
-    if($isSecure){
-      $id = $this->app->Secure->GetGET('id');
-    }
-
-    $argumente = '';
-    if($functionname=='') {
-      if (strnatcmp(phpversion(),'5.0.0') >= 0) {
-        $backtrace = debug_backtrace();
-        $functionname = $backtrace[1]['function'];
-        if($functionname!=='Run'){
-          $argumente = base64_encode(print_r($backtrace[1]['args'], true));
-        }
-      }
-    }
-
-    $this->app->DB->Insert(
-      sprintf(
-        "INSERT INTO `systemlog` (`module`, `action`, `meldung`, `dump`, `datum`, `bearbeiter`,
-                       `funktionsname`, `parameter`, `argumente`, `level`)
-        VALUES ('%s','%s','%s','%s',NOW(), '%s', '%s',%d,'%s',%d)",
-        $module,$action, $meldung, $dump, isset($this->app->User)?$this->app->User->GetName():'',
-        $this->app->DB->real_escape_string($functionname), $id, $argumente, $level
-      )
-    );
-
-    return $this->app->DB->GetInsertID();
-  }
-}
+<?php
+class Systemlog {
+  /** @var Application $app */
+  var $app;
+
+//  public const TLS_TEST_URL = 'https://update.xentral.biz/tlstest.php';
+
+  /**
+   * Systemlog constructor.
+   *
+   * @param Application $app
+   * @param bool        $intern
+   */
+  public function __construct($app, $intern = false) {
+    $this->app=$app;
+    if($intern)
+    {
+      return;
+    }
+    $this->app->ActionHandlerInit($this);
+
+    $this->app->ActionHandler("list","SystemlogList");
+    $this->app->ActionHandler("minidetail","SystemlogMiniDetail");
+    $this->app->ActionHandler("datenbank","SystemlogDatenbank");
+    $this->app->ActionHandler("timeout","SystemlogTimeout");
+    //$this->app->ActionHandler("delete","SystemlogDelete");
+    //$this->app->ActionHandler("deleteall","SystemlogDeleteAll");
+
+    $this->app->DefaultActionHandler("list");
+
+    $this->app->ActionHandlerListen($app);
+  }
+  /*
+     function SystemlogDelete()
+     {
+     $id = $this->app->Secure->GetGET("id");
+     $this->app->DB->Delete("DELETE FROM systemlog WHERE id='$id' LIMIT 1");
+     $msg = $this->app->erp->base64_url_encode("<div class=\"error2\">Der Logeintrag wurde gel&ouml;scht!</div>  ");
+     header("Location: index.php?module=systemlog&action=list&msg=$msg");
+     exit;	
+     }	
+   */
+  /*
+     function SystemlogDeleteAll()
+     {
+     $id = $this->app->Secure->GetGET("id");
+     $this->app->DB->Delete("DELETE FROM systemlog WHERE id > 0");
+     $msg = $this->app->erp->base64_url_encode("<div class=\"error2\">Alle Logeintr&auml;ge wurden wurden gel&ouml;scht!</div>  ");
+     header("Location: index.php?module=systemlog&action=list&msg=$msg");
+     exit;	
+     }	
+   */
+
+  /**
+   * @param Application $app
+   * @param string      $name
+   * @param array       $erlaubtevars
+   *
+   * @return array
+   */
+  public function TableSearch($app, $name, $erlaubtevars)
+  {
+    // in dieses switch alle lokalen Tabellen (diese Live Tabellen mit Suche etc.) für dieses Modul
+    switch($name) {
+      case 'systemlog':
+        $allowed['systemlog'] = array('list');
+
+        // headings
+        $heading = array('', 'Level', 'Zeit', 'Bearbeiter', 'Module', 'Action', 'Parameter', 'Funktion', 'Meldung', 'Men&uuml;');
+        $width = array('4%', '4%', '15%', '10%', '10%', '10%', '10%', '10%', '40%', '10%', '5%');
+        $findcols = array('open', 'a.level', 'a.datum', 'a.bearbeiter', 'a.module', 'a.action', 'a.parameter', 'a.funktionsname', 'a.meldung', 'a.id');
+        $searchsql = array("DATE_FORMAT(a.datum,'%d.%m.%Y %H:%i:%s')", 'a.bearbeiter', 'a.module', 'a.meldung', 'a.action', 'a.parameter', 'a.funktionsname');
+        $defaultorder = 3;
+        $defaultorderdesc = 1;
+        $menucol = 1;
+        $moreinfo = true;
+        $menu = "<table cellpadding=0 cellspacing=0><tr><td nowrap>" .
+          "</td></tr></table>";
+
+        // SQL statement
+        $sql = "SELECT SQL_CALC_FOUND_ROWS a.id, '<img src=./themes/{$this->app->Conf->WFconf['defaulttheme']}/images/details_open.png class=details>' as open, a.level,DATE_FORMAT(a.datum,'%d.%m.%Y %H:%i:%s'), a.bearbeiter, 
+  a.module, a.action, a.parameter, a.funktionsname,a.meldung,CONCAT('module=',a.module,'&action=',a.action,'&id=',a.parameter) FROM systemlog a";
+
+        $count = 'SELECT COUNT(a.id) FROM systemlog a';
+        break;
+    }
+    $erg = [];
+
+    foreach($erlaubtevars as $k => $v) {
+      if(isset($$v)) {
+        $erg[$v] = $$v;
+      }
+    }
+    return $erg;
+  }
+
+  /**
+   * @return array
+   */
+  public function testDatabase()
+  {
+    $ret = ['html' => [],'deleteformdata' => []];
+    foreach($this->dataBaseLinkings() as $verknuepfung) {
+      $verknuepfung[4] = 'delete';
+      $tabelle = $verknuepfung[0];
+      $spalte = $verknuepfung[1];
+      $subtabelle = $verknuepfung[2];
+      $subspalte = $verknuepfung[3];
+      $subwhere = '';
+      if(isset($verknuepfung[5]) && $verknuepfung[5] != '' && isset($verknuepfung[6]) && $verknuepfung[6] != ''){
+        $subwhere = ' AND s.'.$verknuepfung[5]." = '".$verknuepfung[6]."' ";
+      }
+      if(isset($verknuepfung[7])) {
+        $subwhere .= $verknuepfung[7];
+      }
+      $check = $this->app->DB->Select(
+        "SELECT s.`$subspalte` 
+        FROM `$subtabelle` s 
+        LEFT JOIN `$tabelle` t ON s.`$subspalte` = t.`$spalte` 
+        WHERE isnull(t.`$spalte`) AND s.`$subspalte` <> 0 AND not isnull(s.`$subspalte`) $subwhere 
+        LIMIT 1"
+      );
+      if($check) {
+        $aktion = '';
+        if(isset($verknuepfung[4]) && $verknuepfung[4] === 'delete') {
+          $aktion = '<form method="POST">
+            <input type="hidden" name="tabelle" value="'.$tabelle.'" />
+            <input type="hidden" name="spalte" value="'.$spalte.'" />
+            <input type="hidden" name="subtabelle" value="'.$subtabelle.'" />
+            <input type="hidden" name="subspalte" value="'.$subspalte.'" />
+            <input type="submit" name="delete" value="Daten l&ouml;schen" />
+            </form>';
+          $warnung = true;
+          $ret['deleteformdata'][] = [
+            'tabelle'=>$tabelle,
+            'spalte' => $spalte,
+            'subtabelle' => $subtabelle,
+            'subspalte'=>$subspalte,
+          ];
+        }
+        $ret['html'][] = '<tr><td>'.$subtabelle.'.'.$subspalte.'</td><td>'.$tabelle.'.'.$spalte.'</td><td>-</td><td style="color:red;">Eintr&auml;ge mit nicht existierender '.$tabelle.'.'.$spalte.' gefunden</td><td>'.$aktion.'</td></tr>';
+        $ret['warning'] = true;
+      }
+      else{
+        if(!$this->app->DB->error()) {
+          $ret['html'][] = '<tr><td>'.$subtabelle.'.'.$subspalte.'</td><td>'.$tabelle.'.'.$spalte.'</td><td>OK</td><td></td><td></td></tr>';
+        }
+      }
+    }
+
+    if(!empty($ret['warning']) && method_exists($this->app->erp, 'setSystemHealth')) {
+      $this->app->erp->setSystemHealth(
+        'database',
+        'sql_integrity',
+        'warning',
+        '<a target="_blank" href="index.php?module=systemlog&action=datenbank">Eintr&auml;ge mit nicht existierender Verkn&uuml;pfungen gefunden</a>.'
+      );
+    }
+    else {
+      if(method_exists($this->app->erp, 'setSystemHealth')) {
+        $this->app->erp->setSystemHealth(
+          'database',
+          'sql_integrity',
+          'ok',
+          ''
+        );
+      }
+    }
+
+    return $ret;
+  }
+
+  /**
+   * @return array
+   */
+  public function dataBaseLinkings()
+  {
+    return array(
+      array('adresse','id','adresse_accounts','adresse','delete'),
+      array('adresse','id','adresse_kontakte','adresse','delete'),
+      array('adresse','id','lieferadressen','adresse','delete'),
+      array('adresse','id','ansprechpartner','adresse','delete'),
+      array('adresse','id','abrechnungsartikel','adresse'),
+      array('artikel','id','abrechnungsartikel','artikel'),
+      //array('adresse','id','dokumente','adresse_from'),
+      array('adresse','id','dokumente','adresse_to'),
+      array('adresse','id','dokumente_send','adresse'),
+      array('artikel','id','einkaufspreise','artikel'),
+      array('adresse','id','einkaufspreise','adresse'),
+      array('artikel','id','verkaufspreise','artikel'),
+      array('drucker','id','drucker_spooler','drucker'),
+      array('datei','id','datei_version','datei'),
+      array('datei','id','datei_stichwoerter','datei'),
+      array('adresse','id','user','adresse'),
+      array('projekt','id','arbeitspaket','projekt'),
+      array('lager','id','lager_platz','lager'),
+      array('lager_platz','id','lager_platz_inhalt','lager_platz'),
+      array('artikel','id','lager_reserviert','artikel','delete'),
+      array('adresse','id','lager_reserviert','adresse'),
+      array('artikel','id','lager_seriennummern','artikel','delete'),
+      array('artikel','id','lager_platz_inhalt','artikel','delete'),
+      array('artikel','id','lager_mindesthaltbarkeitsdatum','artikel'),
+      array('lager_platz','id','lager_mindesthaltbarkeitsdatum','lager_platz'),
+      array('artikel','id','artikel','variante_von'),
+      array('artikel','id','stueckliste','stuecklistevonartikel'),
+      array('artikel','id','stueckliste','artikel'),
+      array('rechnung','id','rechnung_position','rechnung','delete'),
+      array('rechnung','id','rechnung_protokoll','rechnung','delete'),
+      array('auftrag','id','auftrag_position','auftrag','delete'),
+      array('auftrag','id','auftrag_protokoll','auftrag','delete'),
+      array('angebot','id','angebot_position','angebot','delete'),
+      array('angebot','id','angebot_protokoll','angebot','delete'),
+      array('gutschrift','id','gutschrift_position','gutschrift','delete'),
+      array('gutschrift','id','gutschrift_protokoll','gutschrift','delete'),
+      array('bestellung','id','bestellung_position','bestellung','delete'),
+      array('bestellung','id','bestellung_protokoll','bestellung','delete'),
+      array('produktion','id','produktion_position','produktion','delete'),
+      array('produktion','id','produktion_protokoll','produktion','delete'),
+      array('inventur','id','inventur_position','inventur','delete'),
+      array('inventur','id','inventur_protokoll','inventur','delete'),
+      array('adresse','id','rechnung','adresse'),
+      array('adresse','id','lieferschein','adresse'),
+      array('adresse','id','gutschrift','adresse'),
+      array('adresse','id','auftrag','adresse'),
+      array('adresse','id','angebot','adresse'),
+      array('adresse','id','bestellung','adresse'),
+      array('adresse','id','produktion','adresse'),
+      array('adresse','id','inventur','adresse'),
+      array('artikel','id','produktion_position','artikel'),
+      array('artikel','id','rechnung_position','artikel'),
+      array('artikel','id','auftrag_position','artikel'),
+      array('artikel','id','lieferschein_position','artikel'),
+      array('artikel','id','gutschrift_position','artikel'),
+      array('artikel','id','bestellung_position','artikel'),
+      array('artikel','id','angebot_position','artikel'),
+      array('rechnung','id','pdfarchiv','table_id','delete','table_name','rechnung'),
+      array('auftrag','id','pdfarchiv','table_id','delete','table_name','auftrag'),
+      array('angebot','id','pdfarchiv','table_id','delete','table_name','angebot'),
+      array('gutschrift','id','pdfarchiv','table_id','delete','table_name','gutschrift'),
+      array('bestellung','id','pdfarchiv','table_id','delete','table_name','bestellung'),
+      array('lieferschein','id','pdfarchiv','table_id','delete','table_name','lieferschein'),
+      array('produktion','id','pdfarchiv','table_id','delete','table_name','produktion'),
+      array('rechnung','id','pdfmirror_md5pool','table_id','delete','table_name','rechnung'),
+      array('auftrag','id','pdfmirror_md5pool','table_id','delete','table_name','auftrag'),
+      array('angebot','id','pdfmirror_md5pool','table_id','delete','table_name','angebot'),
+      array('gutschrift','id','pdfmirror_md5pool','table_id','delete','table_name','gutschrift'),
+      array('bestellung','id','pdfmirror_md5pool','table_id','delete','table_name','bestellung'),
+      array('lieferschein','id','pdfmirror_md5pool','table_id','delete','table_name','lieferschein'),
+      array('produktion','id','pdfmirror_md5pool','table_id','delete','table_name','auftrag'),
+      array('auftrag','id','beleg_chargesnmhd','doctypeid','delete','doctype','auftrag'),
+      array('angebot','id','beleg_chargesnmhd','doctypeid','delete','doctype','angebot'),
+      array('gutschrift','id','beleg_chargesnmhd','doctypeid','delete','doctype','gutschrift'),
+      array('lieferschein','id','beleg_chargesnmhd','doctypeid','delete','doctype','lieferschein'),
+      array('rechnung','id','beleg_chargesnmhd','doctypeid','delete','doctype','rechnung'),
+      array('bestellung','id','beleg_chargesnmhd','doctypeid','delete','doctype','bestellung')
+    );
+  }
+
+  /**
+   * @param string $table
+   * @param string $column
+   * @param string $subTable
+   * @param string $subColumn
+   *
+   * @return int
+   */
+  public function deleteTableEntries($table, $column, $subTable, $subColumn) 
+  {
+    $ret = 0;
+    if(empty($table) || empty($column) || empty($subColumn) || empty($subTable)) {
+      return 0;
+    }
+    
+    $linkinSchemas = $this->dataBaseLinkings();
+    foreach ($linkinSchemas as $linkinSchema) {
+      $linkinSchema[4] = 'delete';
+      if(
+        $table == $linkinSchema[0] 
+        && $column == $linkinSchema[1] 
+        && $subTable == $linkinSchema[2] 
+        && $subColumn == $linkinSchema[3] 
+        && !empty($linkinSchema[4]) 
+        && $linkinSchema[4] === 'delete'
+      ) {
+        $subwhere = '';
+        if(!empty($linkinSchema[5]) && $linkinSchema[5] != '' && isset($linkinSchema[6]) && $linkinSchema[6] != '') {
+          $subwhere = ' AND s.' . $linkinSchema[5] . " = '" . $linkinSchema[6] . "' ";
+        }
+        if(!empty($linkinSchema[7])){
+          $subwhere .= $linkinSchema[7];
+        }
+        $this->app->DB->Delete(
+          "DELETE `s` 
+          FROM `$subTable` AS `s` 
+          LEFT JOIN `$table` `t` ON s.`$subColumn` = t.`$column` 
+          WHERE isnull(t.`$column`) AND s.`$subColumn` <> 0 AND not isnull(s.`$subColumn`) $subwhere"
+        );
+        $anz = (int)$this->app->DB->affected_rows();
+        if($anz <= 0) {
+          continue;
+        }
+        $ret += $anz;
+      }
+    }
+    
+    return $ret;
+  }
+
+  public function SystemlogDatenbank()
+  {
+    if($this->app->Secure->GetPOST('cleanconfirm') && $this->app->Secure->GetPOST('cleanall')) {
+      $test = $this->testDatabase();
+      $message = '<div class="info">Keine Datenintegriet&auml;tsprobleme gefunden</div>';
+      if(!empty($test['warning']) && !empty($test['deleteformdata'])) {
+        $sum = 0;
+        foreach($test['deleteformdata'] as $formdata) {
+          $anz = $this->deleteTableEntries(
+            $formdata['tabelle'], $formdata['spalte'], $formdata['subtabelle'], $formdata['subspalte']
+          );
+          if($anz > 0) {
+            $sum += $anz;
+          }
+        }
+        //$anz = $this->deleteTableEntries($tabelle, $spalte, $subtabelle, $subspalte);
+        $test = $this->testDatabase();
+        if(empty($test['warning'])) {
+          $message = sprintf('<div class="info">Es wurden %d Datens&auml;tze gel&ouml;scht</div>', $sum);
+        }
+        else {
+          $message = sprintf('<div class="warning">Es wurden %d Datens&auml;tze gel&ouml;scht. 
+            Es konnten nicht alle Datenintegriet&auml;tsprobleme gel&ouml;st werden</div>', $sum);
+        }
+      }
+
+      $this->app->Location->execute(
+        'index.php?module=systemlog&action=datenbank&msg='.$this->app->erp->base64_url_encode($message)
+      );
+    }
+    $this->SystemlogMenu();
+
+    $this->app->Tpl->Add(
+      'MESSAGE', 
+      '<form method="POST">
+        <div class="info">
+          In dieser &Uuml;bersicht k&ouml;nnen Sie die Datenintegrit&auml;t von Xentral &uuml;berpr&uuml;fen.<br />
+          F&uuml;r weitere Informationen lesen Sie bitte im Handbuch nach. 
+          <input type="submit" name="testen" value="Datenintegrit&auml;t pr&uuml;fen" />
+        </div>
+      </form>'
+    );
+
+    if($this->app->Secure->GetPOST('delete')) {
+      $tabelle = $this->app->Secure->GetPOST('tabelle');
+      $spalte = $this->app->Secure->GetPOST('spalte');
+      $subtabelle = $this->app->Secure->GetPOST('subtabelle');
+      $subspalte = $this->app->Secure->GetPOST('subspalte');
+      $anz = $this->deleteTableEntries($tabelle, $spalte, $subtabelle, $subspalte);
+      if($anz > 0) {
+        $this->app->Tpl->Add(
+          'MESSAGE',
+          '<div class="info">'.$anz.' Eintr&auml;ge gel&ouml;scht</div>'
+        );
+        $this->SystemlogShowResultTable();
+      }
+    }
+    
+    if($this->app->Secure->GetPOST('testen')) {
+      $this->SystemlogShowResultTable();
+    }
+    
+    $this->app->Tpl->Parse('PAGE','tabview.tpl');
+  }
+
+  public function SystemlogShowResultTable(){
+    $test = $this->testDatabase();
+
+    $warnung = false;
+    if(!empty($test)) {
+      $this->app->Tpl->Add(
+        'TAB1',
+        '<table class="mkTable">
+          <tr><th>Tabelle von</th><th>zu</th><th>Status</th><th>Beschreibung</th><th>Aktion</th></tr>'
+      );
+      foreach($test['html'] as $row) {
+        $this->app->Tpl->Add('TAB1', $row);
+      }
+      $warnung = !empty($test['warning']);
+    }
+
+    if($warnung) {
+      $this->app->Tpl->Add(
+        'MESSAGE',
+        '<div class="warning">
+          Vor dem L&ouml;schen ist es dringend empfohlen ein Backup der Datenbank zu machen. 
+          <form method="post"><input type="checkbox" name="cleanconfirm" value="1" /> 
+          <label for="cleanconfirm">{|Ich bestätige dass ich die Daten vorher gesichert habe und wirklich die Daten löschen will|}</label>
+          <input type="submit" name="cleanall" value="{|Alle fehlerhaften Verknüpfungen löschen|}"></form>
+        </div>'
+      );
+    }
+    $this->app->Tpl->Add('TAB1','</table>');
+  }
+
+  public function SystemlogMiniDetail()
+  {
+    $id = (int)$this->app->Secure->GetGET('id');
+    $dump = $id <= 0?null:$this->app->DB->SelectRow(
+      sprintf(
+        'SELECT `argumente`, `funktionsname`, `dump` FROM `systemlog` WHERE `id` = %d LIMIT 1', 
+        $id
+      )
+    );
+    if(empty($dump)) {
+      $this->app->ExitXentral();
+    }
+    echo '<pre>Argumente der Funktion '.$dump['funktionsname']
+      .':<br><br>'.base64_decode($dump['argumente'])
+      .'</pre>';
+    echo '<br><br><pre>Dump:'.$dump['dump'].'</pre>';
+    
+    $this->app->ExitXentral();
+  }
+
+  public function SystemlogTimeout()
+  {
+    $cmd = $this->app->Secure->GetGET('cmd');
+
+    if(is_numeric($cmd) && (int)$cmd > 0) {
+      usleep((int)$cmd * 1000000);
+    }
+    echo 'Erfolgreich durchgelaufen!';
+    $this->app->ExitXentral();
+  }
+
+  /**
+   * @param string $name
+   *
+   * @return bool
+   */
+  public function hasExectuableExtension($name) {
+    if (!function_exists('exec')) {
+      throw new Exception('Required Function exec is missing');
+    }
+    if (!is_string($name)) {
+      return false;
+    }
+    exec(sprintf('whereis %s',$name), $out);
+    if (empty($out)) {
+      return false;
+    }
+    $result = $out[0];
+    $resultExploded = explode(':', $result);
+    array_shift($resultExploded);
+    return !empty(trim(implode("",$resultExploded)));
+  }
+
+  /**
+   * @return bool
+   */
+  public function isTls12Available(): bool
+  {
+/*    $ch = curl_init();
+    curl_setopt($ch, CURLOPT_URL, self::TLS_TEST_URL);
+    curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
+    curl_setopt ($ch, CURLOPT_SSLVERSION, 6);
+    curl_exec($ch);
+    $curlInfo = curl_getinfo($ch);
+    curl_close($ch);
+
+    return (int)$curlInfo['http_code'] !== 0;
+*/
+	return(false);
+  }
+
+  /**
+   * @return array
+   */
+  public function getCompatibilities()
+  {
+    $ret = [];
+    $typeToMessage = [];
+    if(!function_exists('fsockopen')) {
+      $tmp['status'] = 'error';
+      $tmp['text'] = 'fsocket nicht installiert!';
+      $ret[] = $tmp;
+    }
+    else {
+      $tmp['status'] = 'ok';
+      $tmp['text'] = 'fsocket verf&uuml;gbar';
+      $ret[] = $tmp;
+    }
+    $typeToMessage['fsocket'] = count($ret) - 1;
+    if(!function_exists('mysqli_connect')) {
+      $tmp['status'] = 'error';
+      $tmp['text'] = 'MYSQLi nicht installiert';
+      $ret[] = $tmp;
+    }
+    else {
+      $tmp['status'] = 'ok';
+      $tmp['text'] = 'MYSQLi verf&uuml;gbar';
+      $ret[] = $tmp;
+    }
+    $typeToMessage['mysqli'] = count($ret) - 1;
+    if(!extension_loaded('mysqlnd')) {
+      $tmp['status'] = 'error';
+      $tmp['text'] = 'Mysqlnd nicht installiert';
+      $ret[] = $tmp;
+    }
+    else {
+      $tmp['status'] = 'ok';
+      $tmp['text'] = 'Mysqlnd verf&uuml;gbar';
+      $ret[] = $tmp;
+    }
+    $typeToMessage['mysqlnd'] = count($ret) - 1;
+    if(!class_exists('\PDO')) {
+      $tmp['status'] = 'error';
+      $tmp['text'] = 'PDO nicht installiert';
+      $ret[] = $tmp;
+    }
+    else {
+      $tmp['status'] = 'ok';
+      $tmp['text'] = 'PDO verf&uuml;gbar';
+      $ret[] = $tmp;
+    }
+    $typeToMessage['pdo'] = count($ret) - 1;
+    if(!function_exists('curl_init')) {
+      $tmp['status'] = 'error';
+      $tmp['text'] = 'cURL nicht installiert';
+      $ret[] = $tmp;
+    }
+    else {
+      $tmp['status'] = 'ok';
+      $tmp['text'] = 'cURL verf&uuml;gbar';
+      $ret[] = $tmp;
+    }
+    $typeToMessage['curl'] = count($ret) - 1;
+    if(!function_exists('stream_socket_enable_crypto')) {
+      $tmp['status'] = 'error';
+      $tmp['text'] = 'stream_socket_enable_crypto nicht installiert';
+      $ret[] = $tmp;
+    }
+    else {
+      $tmp['status'] = 'ok';
+      $tmp['text'] = 'stream_socket_enable_crypto verf&uuml;gbar';
+      $ret[] = $tmp;
+    }
+    $typeToMessage['crypto'] = count($ret) - 1;
+    if(!function_exists('openssl_error_string')) {
+      $tmp['status'] = 'warning';
+      $tmp['text'] = 'OpenSSL nicht installiert';
+      $ret[] = $tmp;
+    }
+    else {
+      $tmp['status'] = 'ok';
+      $tmp['text'] = 'OpenSSL verf&uuml;gbar';
+      $ret[] = $tmp;
+    }
+    $typeToMessage['openssl'] = count($ret) - 1;
+    if(!function_exists('mb_encode_numericentity')) {
+      $tmp['status'] = 'error';
+      $tmp['text'] = 'php-mbstring nicht installiert';
+      $ret[] = $tmp;
+    }
+    else {
+      $tmp['status'] = 'ok';
+      $tmp['text'] = 'php-mbstring verf&uuml;gbar';
+      $ret[] = $tmp;
+    }
+    $typeToMessage['php-mbstring'] = count($ret) - 1;
+    if(!class_exists('SoapClient')) {
+      $tmp['status'] = 'warning';
+      $tmp['text'] = 'php-soap nicht installiert';
+      $ret[] = $tmp;
+    }
+    else {
+      $tmp['status'] = 'ok';
+      $tmp['text'] = 'php-soap verf&uuml;gbar';
+      $ret[] = $tmp;
+    }
+    $typeToMessage['php-soap'] = count($ret) - 1;
+    if(!function_exists('imap_open')) {
+      $tmp['status'] = 'error';
+      $tmp['text'] = 'imap nicht installiert';
+      $ret[] = $tmp;
+    }
+    else {
+      $tmp['status'] = 'ok';
+      $tmp['text'] = 'imap verf&uuml;gbar';
+      $ret[] = $tmp;
+    }
+    $typeToMessage['imap'] = count($ret) - 1;
+    if(!function_exists('simplexml_load_string')) {
+      $tmp['status'] = 'error';
+      $tmp['text'] = 'php-xml nicht installiert';
+      $ret[] = $tmp;
+    }
+    else {
+      $tmp['status'] = 'ok';
+      $tmp['text'] = 'php-xml verf&uuml;gbar';
+      $ret[] = $tmp;
+    }
+    $typeToMessage['php-xml'] = count($ret) - 1;
+    if(!class_exists('ZipArchive')) {
+      $tmp['status'] = 'error';
+      $tmp['text'] = 'php-zip nicht installiert';
+      $ret[] = $tmp;
+    }
+    else {
+      $tmp['status'] = 'ok';
+      $tmp['text'] = 'php-zip verf&uuml;gbar';
+      $ret[] = $tmp;
+    }
+    $typeToMessage['php-zip'] = count($ret) - 1;
+    try {
+      $hasZip = $this->hasExectuableExtension('zip');
+    }
+    catch(Exception $e) {
+      $hasZip = false;
+    }
+
+    if(!$hasZip) {
+      $tmp['status'] = 'warning';
+      $tmp['text'] = 'Binary Zip-extension f&uuml;r Kommandozeilen nicht installiert';
+      $ret[] = $tmp;
+      if(method_exists($this->app->erp, 'setSystemHealth')){
+        $this->app->erp->setSystemHealth(
+          'server',
+          'extension_zip',
+          'warning',
+          'nicht installiert. Backups können nicht erstellt werden'
+        );
+      }
+    }
+    else {
+      $tmp['status'] = 'ok';
+      $tmp['text'] = 'Binary Zip-extension f&uuml;r Kommandozeilen verf&uuml;gbar';
+      $ret[] = $tmp;
+      if(!empty($_GET) && method_exists($this->app->erp, 'setSystemHealth')){
+        $this->app->erp->setSystemHealth(
+          'server',
+          'extension_zip',
+          'ok',
+          'installiert.'
+        );
+      }
+    }
+    $typeToMessage['extension-zip'] = count($ret) - 1;
+
+    if(!function_exists('imagejpeg')) {
+      $tmp['status'] = 'warning';
+      $tmp['text'] = 'PHP GD-Erweiterung nicht installiert';
+      $ret[] = $tmp;
+    }
+    else {
+      $tmp['status'] = 'ok';
+      $tmp['text'] = 'PHP GD-Erweiterung verf&uuml;gbar';
+      $ret[] = $tmp;
+    }
+    $typeToMessage['php-gd'] = count($ret) - 1;
+    if(!function_exists('ldap_connect')) {
+      $tmp['status'] = 'warning';
+      $tmp['text'] = 'PHP LDAP-Erweiterung nicht installiert';
+      $ret[] = $tmp;
+    }
+    else {
+      $tmp['status'] = 'ok';
+      $tmp['text'] = 'PHP LDAP-Erweiterung verf&uuml;gbar';
+      $ret[] = $tmp;
+    }
+    $typeToMessage['php-ldap'] = count($ret) - 1;
+    if(!function_exists('ssh2_connect')) {
+      $tmp['status'] = 'warning';
+      $tmp['text'] = 'PHP SSH2-Erweiterung nicht installiert';
+      $ret[] = $tmp;
+    }
+    else {
+      $tmp['status'] = 'ok';
+      $tmp['text'] = 'PHP SSH2-Erweiterung verf&uuml;gbar';
+      $ret[] = $tmp;
+    }
+    $typeToMessage['tls1-2'] = count($ret) - 1;
+    if(!$this->isTls12Available()) {
+      $tmp['status'] = 'warning';
+      $tmp['text'] = 'TLS 1.2 ist nicht verfügbar';
+      $ret[] = $tmp;
+      if(method_exists($this->app->erp, 'setSystemHealth')){
+        $this->app->erp->setSystemHealth(
+          'server',
+          'tls1-2',
+          'warning',
+          'TLS 1.2 ist nicht verfügbar'
+        );
+      }
+    }
+    else {
+      $tmp['status'] = 'ok';
+      $tmp['text'] = 'TLS 1.2 ist verfügbar';
+      $ret[] = $tmp;
+      if(method_exists($this->app->erp, 'setSystemHealth')){
+        $this->app->erp->setSystemHealth(
+          'server',
+          'tls1-2',
+          'ok',
+          'TLS 1.2 ist verfügbar'
+        );
+      }
+    }
+    $typeToMessage['php-ssh2'] = count($ret) - 1;
+    if(!function_exists('ioncube_loader_version')) {
+      $tmp['status'] = 'warning';
+      $tmp['text'] = 'Ioncube ist nicht installiert (Eine Installation ist trotzdem m&ouml;glich)';
+      $ret[] = $tmp;
+    }
+    else {
+      $ioncube_loader_version = ioncube_loader_version();
+      if($ioncube_loader_version[0]< 5 && $ioncube_loader_version[1] === '.') {
+        $tmp['status'] = 'warning';
+        $tmp['text'] = 'Die Ioncubeversion ist zu alt (Eine Installation ist trotzdem m&ouml;glich)';
+        $ret[] = $tmp;
+      }
+      else{
+        $tmp['status'] = 'ok';
+        $tmp['text'] = 'Ioncube verf&uuml;gbar';
+        $ret[] = $tmp;
+      }
+    }
+    $typeToMessage['ioncube'] = count($ret) - 1;
+    $post_max_size = @ini_get('client_max_body_size');
+    if($post_max_size == ''){
+      $post_max_size = @ini_get('post_max_size');
+    }
+    if(!$post_max_size) {
+      $tmp['status'] = 'warning';
+      $tmp['text'] = 'Es war nicht m&ouml;glich die verf&uuml;gbare Upload-Kapazit&auml;t zu ermitteln. Es werden mindestens 8 MB empfohlen';
+      $ret[] = $tmp;
+    }
+    else{
+      if(strpos($post_max_size, 'M') !== false) {
+        $post_max_size = str_replace('M','', $post_max_size);
+        $post_max_size *= 1024*1024;
+      }
+      elseif(strpos($post_max_size, 'K') !== false) {
+        $post_max_size = str_replace('K','', $post_max_size);
+        $post_max_size *= 1024;
+      }
+
+      if($post_max_size < 8*1024*1024) {
+        $tmp['status'] = 'warning';
+        $tmp['text'] = 'Es sind nur '.round($post_max_size/(1024*1024)).' MB Datei-Upload m&ouml;glich. Empfohlen werden mindestens 8 MB';
+        $ret[] = $tmp;
+        if(method_exists($this->app->erp, 'setSystemHealth')){
+          $this->app->erp->setSystemHealth(
+            'server',
+            'max_upload',
+            'warning',
+            'Es sind nur '.round($post_max_size/(1024*1024)).' MB Datei-Upload m&ouml;glich. Empfohlen werden mindestens 8 MB'
+          );
+        }
+      }
+      else {
+        $tmp['status'] = 'ok';
+        $tmp['text'] = 'Ausreichend Upload-Kapazit&auml;t verf&uuml;gbar (>=8MB)';
+        $ret[] = $tmp;
+        if(method_exists($this->app->erp, 'setSystemHealth')){
+          $this->app->erp->setSystemHealth(
+            'server',
+            'max_upload',
+            'ok',
+            'Ausreichend Upload-Kapazit&auml;t verf&uuml;gbar (>=8MB)'
+          );
+        }
+      }
+    }
+    $typeToMessage['max_post_size'] = $post_max_size;
+    $max_execution_time = @ini_get('fastcgi_read_timeout');
+    if($max_execution_time == ''){
+      $max_execution_time = @ini_get('max_execution_time');
+    }
+    if(!$max_execution_time) {
+      $tmp['status'] = 'warning';
+      $tmp['text'] = 'Es war nicht m&ouml;glich die verf&uuml;gbare die Scriptlauftzeit zu ermitteln. Es werden mindestens 30 Sekunden empfohlen';
+      $ret[] = $tmp;
+    }
+    elseif($max_execution_time < 30) {
+      $tmp['status'] = 'warning';
+      $tmp['text'] = 'Es stehen nur '.$max_execution_time.' Sekunden Scriptlauftzeit zur verf&uuml;gung. Es werden mindestens 30 Sekunden empfohlen';
+      $ret[] = $tmp;
+      if(method_exists($this->app->erp, 'setSystemHealth')){
+        $this->app->erp->setSystemHealth(
+          'server',
+          'max_execution_time',
+          'warning',
+          $tmp['text']
+        );
+      }
+    }
+    else {
+      $tmp['status'] = 'ok';
+      $tmp['text'] = 'Es steht gen&uuml;gend Scriptlauftzeit zur Verf&uuml;gung (>= 30 Sekunden).';
+      $ret[] = $tmp;
+      if(method_exists($this->app->erp, 'setSystemHealth')){
+        $this->app->erp->setSystemHealth(
+          'server',
+          'max_execution_time',
+          'ok',
+          'Es steht gen&uuml;gend Scriptlauftzeit zur Verf&uuml;gung (>= 30 Sekunden).'
+        );
+      }
+    }
+    $typeToMessage['max_execution_size'] = $max_execution_time;
+    $system_cronjob_memory_limit = (string)$this->app->erp->GetKonfiguration('system_cronjob_memory_limit');
+    $system_cronjob_max_execution_time = (string)$this->app->erp->GetKonfiguration('system_cronjob_max_execution_time');
+    if($system_cronjob_memory_limit !== '') {
+      if((int)$system_cronjob_memory_limit <= 0) {
+        $tmp['status'] = 'ok';
+        $tmp['text'] = 'Der Prozessstarter hat gen&uuml;gend Speicher zur Verf&uuml;gung';
+        $ret[] = $tmp;
+      }
+      elseif((int)$system_cronjob_memory_limit <  256 * 1024 * 1024) {
+        $tmp['status'] = 'warning';
+        $tmp['text'] = 'Es stehen nur '.round($system_cronjob_memory_limit / 1024 / 1024).' MB Arbeitsspeicher f&uuml;r den Prozessstarter zur Verf&uuml;gung';
+        $ret[] = $tmp;
+      }
+      else {
+        $tmp['status'] = 'ok';
+        $tmp['text'] = 'Der Prozessstarter hat gen&uuml;gend Speicher zur Verf&uuml;gung';
+        $ret[] = $tmp;
+      }
+    }
+    if($system_cronjob_max_execution_time !== '') {
+      if((int)$system_cronjob_max_execution_time <= 0) {
+        $tmp['status'] = 'ok';
+        $tmp['text'] = 'Die Prozessstarterlaufzeit ist unbegrenzt';
+        $ret[] = $tmp;
+      }
+      elseif((int)$system_cronjob_max_execution_time < 300) {
+        $tmp['status'] = 'warning';
+        $tmp['text'] = 'Die Prozessstarterlaufzeit betr&auml;gt nur '.$system_cronjob_max_execution_time.' Sekunden';
+        $ret[] = $tmp;
+      }
+      else{
+        $tmp['status'] = 'ok';
+        $tmp['text'] = 'Die Prozessstarterlaufzeit betr&auml;gt '.$system_cronjob_max_execution_time.' Sekunden';
+        $ret[] = $tmp;
+      }
+    }
+
+
+    if(PHP_VERSION < 7.2) {
+      $tmp['status'] = 'warning';
+      $tmp['text'] = 'Die PHP Version ist unter 7.2. Ab Xentral 20.2 wird mindestens PHP 7.2 ben&ouml;tigt';
+      $ret[] = $tmp;
+    }
+    if($this->app->DB->GetVersion() < 57) {
+      $tmp['status'] = 'warning';
+      $tmp['text'] = 'Die MySQL Version ist unter 5.7. Ab Xentral 20.2 wird mindestens Mysql 5.7 ben&ouml;tigt';
+      $ret[] = $tmp;
+    }
+
+    $fopenUrlEnabled = ini_get('allow_url_fopen');
+    $fopenUrlEnabled = strtolower($fopenUrlEnabled);
+    if(!in_array($fopenUrlEnabled, ['1', 'true', 'on'])){
+      $ret[] = [
+        'status' => 'warning',
+        'text'   => 'allow_url_fopen ist nicht in der php.ini aktiviert'
+      ];
+    }
+
+    return ['type_to_message' => $typeToMessage ,'messages' => $ret];
+  }
+
+  public function SystemlogList()
+  {
+    $this->SystemlogMenu();
+    $this->app->YUI->TableSearch('TAB1','systemlog','show','','',basename(__FILE__), __CLASS__);
+    $cli_infos = [];
+    $system_phpversion_cli = $this->app->erp->GetKonfiguration('system_phpversion_cli');
+    if(!empty($system_phpversion_cli)){
+      $cli_infos[] = 'CLI-PHP-Version: '.$system_phpversion_cli;
+    }
+    $system_cronjob_memory_limit = (string)$this->app->erp->GetKonfiguration('system_cronjob_memory_limit');
+    if($system_cronjob_memory_limit === '-1' || $system_cronjob_memory_limit === '0') {
+      $cli_infos[] = 'Memory-Limit: unbegrenzt';
+    }
+    elseif(!empty($system_cronjob_memory_limit)) {
+      $cli_infos[] = 'Memory-Limit: '.$system_cronjob_memory_limit;
+    }
+    $system_cronjob_max_execution_time = (string)$this->app->erp->GetKonfiguration('system_cronjob_max_execution_time');
+    if($system_cronjob_max_execution_time === '0') {
+      $cli_infos[] = 'Max-Execution-Time: unbegrenzt';
+    }
+    elseif(!empty($system_cronjob_max_execution_time)) {
+      $cli_infos[] = 'Max-Execution-Time: '.$system_cronjob_max_execution_time;
+    }
+    $system_cronjob_php_ini_loaded_file = $this->app->erp->GetKonfiguration('system_cronjob_php_ini_loaded_file');
+    if(!empty($system_cronjob_php_ini_loaded_file)) {
+      $cli_infos[] = 'Geladene ini-Datei: '.$system_cronjob_php_ini_loaded_file;
+    }
+    $system_cronjob_get_current_user = $this->app->erp->GetKonfiguration('system_cronjob_get_current_user');
+    if(!empty($system_cronjob_get_current_user)) {
+      $cli_infos[] = 'CLI-Benutzer: '.$system_cronjob_get_current_user;
+    }
+    $cli_infos[] = 'Xentral-Pfad: '.dirname(dirname(__DIR__));
+
+    $cli_infos[] = 'Userdata-Pfad: '.$this->app->Conf->WFuserdata;
+
+    $size = (int)$this->app->erp->GetKonfiguration('userdatasize');
+    if($size > 0) {
+      $cli_infos[] = 'Useredata: '.number_format($size,0,',','.') .' MB';
+    }
+    foreach([
+      'dms',
+      'pdfarchiv',
+      'pdfmirror',
+      'tmp',
+      'wiki',
+      'emailbackup',
+      'uebertragung',
+    ] as $value) {
+      $size = (int)$this->app->erp->GetKonfiguration('userdata'.$value.'size');
+      if($size > 0) {
+        $cli_infos[] = 'Useredata '.$value.': '.number_format($size,0,',','.') .' MB';
+      }
+    }
+    $backupsize =  (int)$this->app->erp->GetKonfiguration('backupsize');
+    if($backupsize > 0) {
+      $cli_infos[] = 'Backup: '.number_format($backupsize,0,',','.') .' MB';
+    }
+    $databasesize =  (int)$this->app->erp->GetKonfiguration('databasesize');
+    if($databasesize > 0) {
+      $cli_infos[] = 'Datenbank: '.number_format($databasesize,0,',','.') .' MB';
+    }
+    $databasesizelog =  (int)$this->app->erp->GetKonfiguration('databasesizelog');
+    if($databasesizelog > 0) {
+      $cli_infos[] = 'davon Logeinträge: '.number_format($databasesizelog,0,',','.') .' MB';
+    }
+
+    $lastSizeUpdate = $this->app->erp->GetKonfiguration('lastsizeupdate');
+    if(!empty($lastSizeUpdate) && strtotime($lastSizeUpdate) > 1) {
+      $cli_infos[] = 'Letzte Speicherprüfung: '.date('d.m.Y H:i:s',strtotime($lastSizeUpdate));
+    }
+    /** @var Systemhealth $sytemHealth */
+    $sytemHealth = $this->app->loadModule('systemhealth');
+    $memory = method_exists($sytemHealth, 'getMemory')?$sytemHealth->getMemory():[];
+    if(!empty($memory['memory'])) {
+      $cli_infos[] = 'Arbeitssteicher: '.number_format($memory['memory']['sum'] / 1024,0,',','.') .' MB ('.
+        number_format($memory['memory']['free'] / 1024,0,',','.').' MB frei)';
+    }
+    if(!empty($memory['swap'])) {
+      $cli_infos[] = 'Swap: '.number_format($memory['swap']['sum'] / 1024,0,',','.') .' MB ('.
+        number_format($memory['swap']['free'] / 1024,0,',','.').' MB frei)';
+    }
+
+    if(!empty($cli_infos)) {
+      $this->app->Tpl->Add('TAB3','<div class="info">'.implode('<br />',$cli_infos).'</div>');
+    }
+    $system_cronjob_phpinfo = $this->app->erp->GetKonfiguration('system_cronjob_phpinfo');
+    if(!empty($system_cronjob_phpinfo)) {
+      $this->app->Tpl->Add('TAB3','<fieldset><legend>PHP-Info</legend><pre>');
+      $this->app->Tpl->Add('TAB3',$system_cronjob_phpinfo);
+      $this->app->Tpl->Add('TAB3','</pre></fieldset>');
+    }
+
+    ob_start();
+    phpinfo();
+    $phpinfo = ob_get_clean();
+    
+    $phpinfo = explode('<body>',$phpinfo,2);
+    $phpinfo = $phpinfo[1];
+    $phpinfo = explode('</body>', $phpinfo);
+    $phpinfo = reset($phpinfo);
+    $this->app->Tpl->Add('TAB2','<textarea id="phpinfo">'.$phpinfo.'</textarea>');
+    $this->app->YUI->CkEditor('phpinfo','none',array('height'=>'500px'));
+
+    $ret = $this->getCompatibilities();
+
+    foreach($ret['messages'] as $Message) {
+      $this->app->Tpl->Add(
+        'TAB4',
+        '<div style="font-size:12px;background-color:'
+        .($Message['status'] === 'error'?'#FA5858'
+          :($Message['status'] == 'warning'?'#F4FA58':'#9FF781')
+        ).';">'.$Message['text']."</div><div style=\"height:10px;\"></div>\r\n"
+      );
+    }
+    
+    $this->app->Tpl->Parse('PAGE','systemlog_list.tpl');
+  }
+
+  public function SystemlogMenu()
+  {
+    $this->app->erp->Headlines('Systemlog');
+    $this->app->erp->MenuEintrag('index.php?module=servicetools&action=list','Zur&uuml;ck zur &Uuml;bersicht');
+    $this->app->erp->MenuEintrag('index.php?module=systemlog&action=list','Aktualisieren');
+    $this->app->erp->MenuEintrag('index.php?module=systemlog&action=datenbank','Datenbank pr&uuml;fen');
+  }
+
+  public function Install() {
+    $this->app->erp->CheckTable('systemlog');
+    $this->app->erp->CheckColumn('id','int(11)','systemlog','NOT NULL AUTO_INCREMENT');
+    $this->app->erp->CheckColumn('meldung','TEXT','systemlog','DEFAULT \'\' NOT NULL');
+    $this->app->erp->CheckColumn('dump','TEXT','systemlog','DEFAULT \'\' NOT NULL');
+    $this->app->erp->CheckColumn('module','VARCHAR(64)','systemlog','DEFAULT \'\' NOT NULL');
+    $this->app->erp->CheckColumn('action','VARCHAR(64)','systemlog','DEFAULT \'\' NOT NULL');
+    $this->app->erp->CheckColumn('bearbeiter','VARCHAR(64)','systemlog','DEFAULT \'\' NOT NULL');
+    $this->app->erp->CheckColumn('funktionsname','VARCHAR(64)','systemlog','DEFAULT \'\' NOT NULL');
+    $this->app->erp->CheckColumn('datum','DATETIME','systemlog');
+    $this->app->erp->CheckColumn('parameter','int(11)','systemlog','DEFAULT 0 NOT NULL');
+    $this->app->erp->CheckColumn('argumente','TEXT','systemlog','DEFAULT \'\' NOT NULL');
+    $this->app->erp->CheckColumn('level','int(11)','systemlog','DEFAULT 0 NOT NULL');
+
+    $this->app->erp->RegisterHook('systemhealth_cronjob', 'systemlog', 'SystemhealthCronjob');
+  }
+
+  public function SystemhealthCronjob()
+  {
+    $this->testDatabase();
+
+    $this->getCompatibilities();
+  }
+
+  /**
+   * @param string $meldung
+   * @param int    $level
+   * @param string $dump
+   * @param string $module
+   * @param string $action
+   * @param string $functionname
+   *
+   * @return int|string|null
+   */
+  public function addSystemLog($meldung='',$level=0,$dump='',$module='',$action='',$functionname='')
+  {
+    $isSecure = isset($this->app->Secure);
+    if($module=='' && $isSecure) {
+      $module = (string)$this->app->Secure->GetGET('module');
+    }
+    if($action=='' && $isSecure) {
+      $action = (string)$this->app->Secure->GetGET('action');
+    }
+    $id = 0;
+    if($isSecure){
+      $id = $this->app->Secure->GetGET('id');
+    }
+
+    $argumente = '';
+    if($functionname=='') {
+      if (strnatcmp(phpversion(),'5.0.0') >= 0) {
+        $backtrace = debug_backtrace();
+        $functionname = $backtrace[1]['function'];
+        if($functionname!=='Run'){
+          $argumente = base64_encode(print_r($backtrace[1]['args'], true));
+        }
+      }
+    }
+
+    $this->app->DB->Insert(
+      sprintf(
+        "INSERT INTO `systemlog` (`module`, `action`, `meldung`, `dump`, `datum`, `bearbeiter`,
+                       `funktionsname`, `parameter`, `argumente`, `level`)
+        VALUES ('%s','%s','%s','%s',NOW(), '%s', '%s',%d,'%s',%d)",
+        $module,$action, $meldung, $dump, isset($this->app->User)?$this->app->User->GetName():'',
+        $this->app->DB->real_escape_string($functionname), $id, $argumente, $level
+      )
+    );
+
+    return $this->app->DB->GetInsertID();
+  }
+}
diff --git a/www/pages/welcome.php b/www/pages/welcome.php
index ef43aa3d..891f74b5 100644
--- a/www/pages/welcome.php
+++ b/www/pages/welcome.php
@@ -165,7 +165,7 @@ class Welcome
         $this->app->User->GetID(),
         $this->app->Secure->POST
       );
-      try{
+/*      try{
         $surveyService->sendToXentral(
           $surveyId,
           "https://{$this->app->Conf->updateHost}/sendsurvey.php",
@@ -175,7 +175,7 @@ class Welcome
       }
       catch (Exception $e) {
 
-      }
+      }*/
     }
     catch(Exception $e) {
       return new JsonResponse(
@@ -840,6 +840,7 @@ $this->app->Tpl->Add('TODOFORUSER',"<tr><td width=\"90%\">".$tmp[$i]['aufgabe'].
     )
     ); 
 
+/*
     $result_news = file_get_contents("https://{$this->app->Conf->updateHost}/news.php?version=".$this->app->erp->Version(),0, $ctx);
 
     if($result_news=='')
@@ -851,10 +852,11 @@ $this->app->Tpl->Add('TODOFORUSER',"<tr><td width=\"90%\">".$tmp[$i]['aufgabe'].
                     <a href="//community.xentral.com/hc/de/articles/360017815440-Top-Features-ab-Version-20-3" target="_blank" class="to-nues">Neues von Xentral</a>
                     </div>';
     }
-
-
     $this->app->Tpl->Set('EXTERNALNEWS', $result_news);
+*/
 
+
+/*
     $result_handbook =  file_get_contents('https://xentral.biz/handbook.php?version='.$this->app->erp->Version(),0, $ctx);
     if($result_handbook=='')
     {
@@ -867,6 +869,7 @@ $this->app->Tpl->Add('TODOFORUSER',"<tr><td width=\"90%\">".$tmp[$i]['aufgabe'].
     }
 
     $this->app->Tpl->Set('EXTERNALHANDBOOK', $result_handbook);
+*/
 
     // Aufgabe-Bearbeiten-Popup
     $pinnwaende = $this->app->erp->GetPinwandSelect();
@@ -1110,7 +1113,7 @@ $this->app->Tpl->Add('TODOFORUSER',"<tr><td width=\"90%\">".$tmp[$i]['aufgabe'].
     {
       $version = $this->app->erp->Version();
       $revision = $this->app->erp->Revision();
-
+/*
       $tmp = explode('.',$revision);
       $branch = strtolower($version).'_'.$tmp[0].'.'.$tmp[1];
 
@@ -1191,6 +1194,7 @@ $this->app->Tpl->Add('TODOFORUSER',"<tr><td width=\"90%\">".$tmp[$i]['aufgabe'].
       }
       $this->app->erp->RunHook('welcome_news');
       $this->app->Tpl->Parse('WELCOMENEWS','welcome_news.tpl');
+*/
     }
   }