From cabd6f6205756a51064fb856aca2ed94d28b1cf7 Mon Sep 17 00:00:00 2001
From: tbrehm <t.brehm@ispconfig.org>
Date: Fri, 12 Sep 2008 11:31:19 -0400
Subject: [PATCH] Disabled suphp_UserGroup directive by default to make the setup compatible with the suphp compile options from most linux distributions. If you want some extra security, enable this directive again and recompile mod_suphp with the the option --with-setid-mode=paranoid

---
 interface/lib/classes/tform.inc.php | 1908 ++++++++++++++++++++++++++++++++--------------------------
 1 files changed, 1,049 insertions(+), 859 deletions(-)

diff --git a/interface/lib/classes/tform.inc.php b/interface/lib/classes/tform.inc.php
index 542dc4a..3d017aa 100644
--- a/interface/lib/classes/tform.inc.php
+++ b/interface/lib/classes/tform.inc.php
@@ -1,860 +1,1050 @@
-<?php
-
-/*
-Copyright (c) 2005, Till Brehm, projektfarm Gmbh
-All rights reserved.
-
-Redistribution and use in source and binary forms, with or without modification,
-are permitted provided that the following conditions are met:
-
-    * Redistributions of source code must retain the above copyright notice,
-      this list of conditions and the following disclaimer.
-    * Redistributions in binary form must reproduce the above copyright notice,
-      this list of conditions and the following disclaimer in the documentation
-      and/or other materials provided with the distribution.
-    * Neither the name of ISPConfig nor the names of its contributors
-      may be used to endorse or promote products derived from this software without
-      specific prior written permission.
-
-THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
-ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
-WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
-IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
-INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
-BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
-DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
-OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
-NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
-EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-*/
-
-/**
-* Formularbehandlung
-*
-* Funktionen zur Umwandlung von Formulardaten
-* sowie zum vorbereiten von HTML und SQL
-* Ausgaben
-*
-*	Tabellendefinition
-*	
-*	Datentypen:
-*	- INTEGER (Wandelt Ausdr�cke in Int um)
-*	- DOUBLE
-*	- CURRENCY (Formatiert Zahlen nach W�hrungsnotation)
-*	- VARCHAR (kein weiterer Format Check)
-*	- DATE (Datumsformat, Timestamp Umwandlung)
-*	
-*	Formtype:
-*	- TEXT (normales Textfeld)
-*	- PASSWORD (Feldinhalt wird nicht angezeigt)
-*	- SELECT (Gibt Werte als option Feld aus)
-*	- MULTIPLE (Select-Feld mit nehreren Werten)
-*	
-*	VALUE:
-*	- Wert oder Array
-*	
-*	SEPARATOR
-*	- Trennzeichen f�r multiple Felder
-*
-*	Hinweis:
-*	Das ID-Feld ist nicht bei den Table Values einzuf�gen.
-*
-* @package form
-* @author Till Brehm
-* @version 1.1
-*/
-
-class tform {
-	
-	/**
-	* Definition der Tabelle (array)
-	* @var tableDef
-	*/
-	var $tableDef;
-	
-	/**
-	* Private
-	* @var action
-	*/
-	var $action;
-	
-	/**
-	* Tabellenname (String)
-	* @var table_name
-	*/
-	var $table_name;
-	
-	/**
-	* Debug Variable
-	* @var debug
-	*/
-	var $debug = 0;
-	
-	/**
-	* name des primary Field der Tabelle (string)
-	* @var table_index
-	*/
-	var $table_index;
-	
-	/**
-	* enth�lt die Fehlermeldung bei �berpr�fung
-	* der Variablen mit Regex
-	* @var errorMessage
-	*/
-	var $errorMessage;
-	
-	var $dateformat = "d.m.Y";
-    var $formDef;
-	var $wordbook;
-	var $module;
-	
-	/**
-	* Laden der Tabellendefinition
-	*
-	* @param file: Pfad zur Tabellendefinition
-	* @return true
-	*/
-	/*
-	function loadTableDef($file) {
-		global $app,$conf;
-		
-		include_once($file);
-		$this->tableDef = $table;
-		$this->table_name = $table_name;
-		$this->table_index = $table_index;
-		return true;
-	}
-	*/
-    
-    function loadFormDef($file,$module = '') {
-		global $app,$conf;
-		
-		include_once($file);
-		$this->formDef = $form;
-		
-		$this->module = $module;
-		if($module == '') {
-			include_once("lib/lang/".$_SESSION["s"]["language"]."_".$this->formDef["name"].".lng");
-		} else {
-			include_once("../$module/lib/lang/".$_SESSION["s"]["language"]."_".$this->formDef["name"].".lng");
-		}
-		$this->wordbook = $wb;
-		
-		return true;
-	}
-	
-	
-	/**
-	* Konvertiert die Daten des �bergebenen assoziativen
-	* Arrays in "menschenlesbare" Form.
-	* Datentyp Konvertierung, z.B. f�r Ausgabe in Listen.
-	*
-	* @param record
-	* @return record
-	*/
-	function decode($record,$tab) {
-		if(!is_array($this->formDef['tabs'][$tab])) $app->error("Tab ist leer oder existiert nicht (TAB: $tab).");
-		if(is_array($record)) {
-			foreach($this->formDef['tabs'][$tab]['fields'] as $key => $field) {
-				switch ($field['datatype']) {
-				case 'VARCHAR':
-					$new_record[$key] = stripslashes($record[$key]);
-				break;
-				
-				case 'TEXT':
-					$new_record[$key] = stripslashes($record[$key]);
-				break;
-				
-				case 'DATE':
-					if($record[$key] > 0) {
-						$new_record[$key] = date($this->dateformat,$record[$key]);
-					}
-				break;
-				
-				case 'INTEGER':
-					$new_record[$key] = intval($record[$key]);
-				break;
-				
-				case 'DOUBLE':
-					$new_record[$key] = $record[$key];
-				break;
-				
-				case 'CURRENCY':
-					$new_record[$key] = number_format($record[$key], 2, ',', '');
-				break;
-				
-				default:
-					$new_record[$key] = stripslashes($record[$key]);
-				}
-			}
-			
-		}
-	return $new_record;
-	}
-	
-	/**
-	* Get the key => value array of a form filed from a datasource definitiom
-	*
-	* @param field = NEW oder EDIT 
-	* @param record = Dataset as array
-	* @return key => value array for the value field of a form
-	*/
-	
-	function getDatasourceData($field, $record) {
-		global $app;
-		
-		$values = array();
-		
-		if($field["datasource"]["type"] == 'SQL') {
-			
-			// Preparing SQL string. We will replace some
-			// common placeholders
-			$querystring = $field["datasource"]["querystring"];
-			$querystring = str_replace("{USERID}",$_SESSION["s"]["user"]["userid"],$querystring);
-			$querystring = str_replace("{GROUPID}",$_SESSION["s"]["user"]["default_group"],$querystring);
-			$querystring = str_replace("{GROUPS}",$_SESSION["s"]["user"]["groups"],$querystring);
-			$table_idx = $this->formDef['db_table_idx'];
-			$querystring = str_replace("{RECORDID}",$record[$table_idx],$querystring);
-			
-			// Getting the records
-			$tmp_records = $app->db->queryAllRecords($querystring);
-			if(is_array($tmp_records)) {
-				$key_field = $field["datasource"]["keyfield"];
-				$value_field = $field["datasource"]["valuefield"];
-				foreach($tmp_records as $tmp_rec) {
-					$tmp_id = $tmp_rec[$key_field];
-					$values[$tmp_id] = $tmp_rec[$value_field];
-				}
-			}
-		}
-		
-		if($field["datasource"]["type"] == 'CUSTOM') {
-			// Calls a custom class to validate this record
-			if($field["datasource"]['class'] != '' and $field["datasource"]['function'] != '') {
-				$datasource_class = $field["datasource"]['class'];
-				$datasource_function = $field["datasource"]['function'];
-				$app->uses($datasource_class);
-				$values = $app->$datasource_class->$datasource_function($field, $record);
-			} else {
-				$this->errorMessage .= "Custom datasource class or function is empty<br>\r\n";
-			}
-		}
-		
-	}
-	
-	
-	/**
-	* Record f�r Ausgabe in Formularen vorbereiten.
-	*
-	* @param record = Datensatz als Array
-	* @param action = NEW oder EDIT 
-	* @return record
-	*/
-	function getHTML($record, $tab, $action = 'NEW') {
-		
-		global $app;
-		
-		$this->action = $action;
-		
-		if(!is_array($this->formDef)) $app->error("Keine Formdefinition vorhanden.");
-		if(!is_array($this->formDef['tabs'][$tab])) $app->error("Tab ist leer oder existiert nicht (TAB: $tab).");
-		
-		$new_record = array();
-		if($action == 'EDIT') {
-			$record = $this->decode($record,$tab);
-			if(is_array($record)) {
-				foreach($this->formDef['tabs'][$tab]['fields'] as $key => $field) {
-					$val = $record[$key];
-					
-					// If Datasource is set, get the data from there
-					if(is_array($field['datasource'])) {
-						$field["value"] = $this->getDatasourceData($field, $record);
-					}
-					
-					switch ($field['formtype']) {
-					case 'SELECT':
-						if(is_array($field['value'])) {
-							$out = '';
-							foreach($field['value'] as $k => $v) {
-								$selected = ($k == $val)?' SELECTED':'';
-								$out .= "<option value='$k'$selected>$v</option>\r\n";
-							}
-						}
-						$new_record[$key] = $out;
-					break;
-					case 'MULTIPLE':
-						if(is_array($field['value'])) {
-							
-							// aufsplitten ergebnisse
-							$vals = explode($field['separator'],$val);
-							
-							// HTML schreiben
-							$out = '';
-							foreach($field['value'] as $k => $v) {
-								
-								$selected = '';
-								foreach($vals as $tvl) {
-									if(trim($tvl) == trim($k)) $selected = ' SELECTED';
-								}
-								
-								$out .= "<option value='$k'$selected>$v</option>\r\n";
-							}
-						}
-						$new_record[$key] = $out;
-					break;
-					
-					case 'PASSWORD':
-						$new_record[$key] = '';
-					break;
-					
-					case 'CHECKBOX':
-						$checked = (empty($val))?'':' CHECKED';
-						$new_record[$key] = "<input name=\"".$key."\" type=\"checkbox\" value=\"".$field['value']."\" $checked>\r\n";
-					break;
-					
-					case 'CHECKBOXARRAY':
-						if(is_array($field['value'])) {
-							
-							// aufsplitten ergebnisse
-							$vals = explode($field['separator'],$val);
-							
-							// HTML schreiben
-							$out = '';
-							foreach($field['value'] as $k => $v) {
-								
-								$checked = '';
-								foreach($vals as $tvl) {
-									if(trim($tvl) == trim($k)) $checked = ' CHECKED';
-								}
-								
-								$out .= "<input name=\"".$key."[]\" type=\"checkbox\" value=\"$k\" $checked>$v <br />\r\n";
-							}
-						}
-						$new_record[$key] = $out;
-					break;
-					
-					case 'RADIO':
-						if(is_array($field['value'])) {
-							
-							// HTML schreiben
-							$out = '';
-							foreach($field['value'] as $k => $v) {
-								$checked = ($k == $val)?' CHECKED':'';
-								$out .= "<input name='".$key."[]' type='radio' value='$k'$checked> $v<br>\r\n";
-							}
-						}
-						$new_record[$key] = $out;
-					break;
-					
-					default:
-						$new_record[$key] = htmlspecialchars($record[$key]);
-					}
-				}
-			}
-		} else {
-			// Action: NEW
-			foreach($this->formDef['tabs'][$tab]['fields'] as $key => $field) {
-				switch ($field['formtype']) {
-				case 'SELECT':
-					if(is_array($field['value'])) {
-						$out = '';
-						foreach($field['value'] as $k => $v) {
-							$selected = ($k == $val)?' SELECTED':'';
-							$out .= "<option value='$k'$selected>$v</option>\r\n";
-						}
-					}
-					$new_record[$key] = $out;
-				break;
-				case 'MULTIPLE':
-						if(is_array($field['value'])) {
-							
-							// aufsplitten ergebnisse
-							$vals = explode($field['separator'],$val);
-							
-							// HTML schreiben
-							$out = '';
-							foreach($field['value'] as $k => $v) {
-								
-								$out .= "<option value='$k'>$v</option>\r\n";
-							}
-						}
-						$new_record[$key] = $out;
-					break;
-				
-				case 'PASSWORD':
-					$new_record[$key] = '';
-				break;
-				
-				case 'CHECKBOX':
-					$checked = (empty($field["default"]))?'':' CHECKED';
-					$new_record[$key] = "<input name=\"".$key."\" type=\"checkbox\" value=\"".$field['value']."\" $checked>\r\n";
-				break;
-				
-				case 'CHECKBOXARRAY':
-					if(is_array($field['value'])) {
-						
-						// aufsplitten ergebnisse
-						$vals = explode($field['separator'],$field["default"]);
-						
-						// HTML schreiben
-						$out = '';
-						foreach($field['value'] as $k => $v) {
-							
-							$checked = '';
-							foreach($vals as $tvl) {
-								if(trim($tvl) == trim($k)) $checked = ' CHECKED';
-							}
-								
-							$out .= "<input name=\"".$key."[]\" type=\"checkbox\" value=\"$k\" $checked> $v<br />\r\n";
-						}
-					}
-					$new_record[$key] = $out;
-				break;
-					
-				case 'RADIO':
-					if(is_array($field['value'])) {
-					
-						// HTML schreiben
-						$out = '';
-						foreach($field['value'] as $k => $v) {
-							$checked = ($k == $field["default"])?' CHECKED':'';
-							$out .= "<input name='".$key."[]' type='radio' value='$k'$checked> $v<br>\r\n";
-						}
-					}
-					$new_record[$key] = $out;
-				break;
-				
-				default:
-					$new_record[$key] = htmlspecialchars($field['value']);
-				}
-			}
-		
-		}
-		
-		if($this->debug == 1) $this->dbg($new_record);
-		
-		return $new_record;
-	}
-	
-	/**
-	* Record in "maschinen lesbares" Format �berf�hren
-	* und Werte gegen regul�re Ausdr�cke pr�fen.
-	*
-	* @param record = Datensatz als Array
-	* @return record
-	*/
-	function encode($record,$tab) {
-		
-		if(!is_array($this->formDef['tabs'][$tab])) $app->error("Tab ist leer oder existiert nicht (TAB: $tab).");
-		$this->errorMessage = '';
-		
-		if(is_array($record)) {
-			foreach($this->formDef['tabs'][$tab]['fields'] as $key => $field) {
-				
-				if(is_array($field['validators'])) $this->validateField($key, $record[$key], $field['validators']);
-				
-				switch ($field['datatype']) {
-				case 'VARCHAR':
-					if(!is_array($record[$key])) {
-						$new_record[$key] = addslashes($record[$key]);
-					} else {
-						$new_record[$key] = implode($field['separator'],$record[$key]);
-					}
-				break;
-				case 'TEXT':
-					if(!is_array($record[$key])) {
-						$new_record[$key] = addslashes($record[$key]);
-					} else {
-						$new_record[$key] = implode($field['separator'],$record[$key]);
-					}
-				break;
-				case 'DATE':
-					if($record[$key] > 0) {
-						list($tag,$monat,$jahr) = explode('.',$record[$key]);
-						$new_record[$key] = mktime(0,0,0,$monat,$tag,$jahr);
-					}
-				break;
-				case 'INTEGER':
-					$new_record[$key] = intval($record[$key]);
-				break;
-				case 'DOUBLE':
-					$new_record[$key] = addslashes($record[$key]);
-				break;
-				case 'CURRENCY':
-					$new_record[$key] = str_replace(",",".",$record[$key]);
-				break;
-				}
-				
-				// The use of the field value is deprecated, use validators instead
-				if($field['regex'] != '') {
-					// Enable that "." matches also newlines
-					$field['regex'] .= 's';
-					if(!preg_match($field['regex'], $record[$key])) {
-						$errmsg = $field['errmsg'];
-						$this->errorMessage .= $this->wordbook[$errmsg]."<br>\r\n";
-					}
-				}
-				
-				
-			}
-		}
-		return $new_record;
-	}
-	
-	/**
-	* process the validators for a given field.
-	*
-	* @param field_name = Name of the field
-	* @param field_value = value of the field
-	* @param validatoors = Array of validators
-	* @return record
-	*/
-	
-	function validateField($field_name, $field_value, $validators) {
-		
-		global $app;
-		
-		// loop trough the validators
-		foreach($validators as $validator) {
-			
-			switch ($validator['type']) {
-				case 'REGEX':
-					$validator['regex'] .= 's';
-					if(!preg_match($validator['regex'], $field_value)) {
-						$errmsg = $validator['errmsg'];
-						$this->errorMessage .= $this->wordbook[$errmsg]."<br>\r\n";
-					}
-				break;
-				case 'UNIQUE':
-					$num_rec = $app->db->queryOneRecord("SELECT count(*) as number FROM ".$escape.$this->formDef['db_table'].$escape. " WHERE $field_name = '".$app->db->quote($field_value)."'");
-					if($this->action == 'NEW') {
-						if($num_rec["number"] > 0) {
-							$errmsg = $validator['errmsg'];
-							$this->errorMessage .= $this->wordbook[$errmsg]."<br>\r\n";
-						}
-					} else {
-						if($num_rec["number"] > 1) {
-							$errmsg = $validator['errmsg'];
-							$this->errorMessage .= $this->wordbook[$errmsg]."<br>\r\n";
-						}
-					}
-				break;
-				case 'NOTEMPTY':
-					if(empty($field_value)) {
-						$errmsg = $validator['errmsg'];
-						$this->errorMessage .= $this->wordbook[$errmsg]."<br>\r\n";
-					}
-				break;
-				/*
-				case 'ISEMAIL':
-					if(!preg_match("", $field_value)) {
-						$errmsg = $validator['errmsg'];
-						$this->errorMessage .= $this->wordbook[$errmsg]."<br>\r\n";
-					}
-				break;
-				*/
-				case 'ISINT':
-					$tmpval = intval($field_value);
-					if($tmpval === 0 and !empty($field_value)) {
-						$errmsg = $validator['errmsg'];
-						$this->errorMessage .= $this->wordbook[$errmsg]."<br>\r\n";
-					}
-				break;
-				case 'CUSTOM':
-					// Calls a custom class to validate this record
-					if($validator['class'] != '' and $validator['function'] != '') {
-						$validator_class = $validator['class'];
-						$validator_function = $validator['function'];
-						$app->uses($validator_class);
-						$this->errorMessage .= $app->$validator_class->$validator_function($validator);
-					} else {
-						$this->errorMessage .= "Custom validator class or function is empty<br>\r\n";
-					}
-				break;
-			}
-			
-			
-		}
-		
-		return true;
-	}
-	
-	/**
-	* SQL Statement f�r Record erzeugen.
-	*
-	* @param record = Datensatz als Array
-	* @param action = INSERT oder UPDATE
-	* @param primary_id
-	* @return record
-	*/
-	function getSQL($record, $tab, $action = 'INSERT', $primary_id = 0, $sql_ext_where = '') {
-		
-		global $app;
-		
-		// checking permissions
-		if($this->formDef['auth'] == 'yes') {
-			if($action == "INSERT") {
-				if(!$this->checkPerm($primary_id,'i')) $this->errorMessage .= "Insert denied.<br>\r\n";
-			} else {
-				if(!$this->checkPerm($primary_id,'u')) $this->errorMessage .= "Insert denied.<br>\r\n";
-			}
-		}
-		
-		$this->action = $action;
-		
-		$record = $this->encode($record,$tab);
-		$sql_insert_key = '';
-		$sql_insert_val = '';
-		$sql_update = '';
-		
-		if(!is_array($this->formDef)) $app->error("Keine Formulardefinition vorhanden.");
-		if(!is_array($this->formDef['tabs'][$tab])) $app->error("Tab ist leer oder existiert nicht (TAB: $tab).");
-		
-		// gehe durch alle Felder des Tabs
-		if(is_array($record)) {
-        	foreach($this->formDef['tabs'][$tab]['fields'] as $key => $field) {
-				// Wenn es kein leeres Passwortfeld ist
-				if (!($field['formtype'] == 'PASSWORD' and $record[$key] == '')) {
-					// Erzeuge Insert oder Update Quelltext
-					if($action == "INSERT") {
-						if($field['formtype'] == 'PASSWORD') {
-							$sql_insert_key .= "`$key`, ";
-							$sql_insert_val .= "md5('".$record[$key]."'), ";
-						} else {
-							$sql_insert_key .= "`$key`, ";
-							$sql_insert_val .= "'".$record[$key]."', ";
-						}
-					} else {
-						if($field['formtype'] == 'PASSWORD') {
-							$sql_update .= "`$key` = md5('".$record[$key]."'), ";
-						} else {
-							$sql_update .= "`$key` = '".$record[$key]."', ";
-						}
-					}
-				}
-			}
-        }
-		
-		// F�ge Backticks nur bei unvollst�ndigen Tabellennamen ein
-		if(stristr($this->formDef['db_table'],'.')) {
-			$escape = '';
-		} else {
-			$escape = '`';
-		}
-		
-		
-		if($action == "INSERT") {
-			if($this->formDef['auth'] == 'yes') {
-				// Setze User und Gruppe
-				$sql_insert_key .= "`sys_userid`, ";
-				$sql_insert_val .= ($this->formDef["auth_preset"]["userid"] > 0)?"'".$this->formDef["auth_preset"]["userid"]."', ":"'".$_SESSION["s"]["user"]["userid"]."', ";
-				$sql_insert_key .= "`sys_groupid`, ";
-				$sql_insert_val .= ($this->formDef["auth_preset"]["groupid"] > 0)?"'".$this->formDef["auth_preset"]["groupid"]."', ":"'".$_SESSION["s"]["user"]["default_group"]."', ";
-				$sql_insert_key .= "`sys_perm_user`, ";
-				$sql_insert_val .= "'".$this->formDef["auth_preset"]["perm_user"]."', ";
-				$sql_insert_key .= "`sys_perm_group`, ";
-				$sql_insert_val .= "'".$this->formDef["auth_preset"]["perm_group"]."', ";
-				$sql_insert_key .= "`sys_perm_other`, ";
-				$sql_insert_val .= "'".$this->formDef["auth_preset"]["perm_other"]."', ";
-			}
-			$sql_insert_key = substr($sql_insert_key,0,-2);
-			$sql_insert_val = substr($sql_insert_val,0,-2);
-			$sql = "INSERT INTO ".$escape.$this->formDef['db_table'].$escape." ($sql_insert_key) VALUES ($sql_insert_val)";
-		} else {
-			if($primary_id != 0) {
-				$sql_update = substr($sql_update,0,-2);
-				$sql = "UPDATE ".$escape.$this->formDef['db_table'].$escape." SET ".$sql_update." WHERE ".$this->formDef['db_table_idx']." = ".$primary_id;
-				if($sql_ext_where != '') $sql .= " and ".$sql_ext_where;
-			} else {
-				$app->error("Primary ID fehlt!");
-			}
-		}
-		
-		// Daten in History tabelle speichern
-		if($this->errorMessage == '' and $this->formDef['db_history'] == 'yes') $this->datalogSave($action,$primary_id,$record);
-		
-		return $sql;
-	}
-	
-	/**
-	* Debugging arrays.
-	*
-	* @param array_data
-	*/
-	function dbg($array_data) {
-		
-		echo "<pre>";
-		print_r($array_data);
-		echo "</pre>";
-		
-	}
-    
-    
-    function showForm() {
-    	global $app,$conf;
-        
-        if(!is_array($this->formDef)) die("Form Definition wurde nicht geladen.");
-		
-		$active_tab = $this->getNextTab();
-        
-        // definiere Tabs
-        foreach( $this->formDef["tabs"] as $key => $tab) {
-            
-			$tab['name'] = $key;
-            if($tab['name'] == $active_tab) {
-				
-				// Wenn Modul gesetzt, dann setzte template pfad relativ zu modul.
-				if($this->module != '') $tab["template"] = "../".$this->module."/".$tab["template"];
-				
-				// �berpr�fe, ob das Template existiert, wenn nicht
-				// dann generiere das Template
-				if(!is_file($tab["template"])) {
-					$app->uses('tform_tpl_generator');
-					$app->tform_tpl_generator->buildHTML($this->formDef,$tab['name']);
-				}
-				
-            	$app->tpl->setInclude('content_tpl',$tab["template"]);
-                $tab["active"] = 1;
-                $_SESSION["s"]["form"]["tab"] = $tab['name'];
-            } else {
-            	$tab["active"] = 0;
-            }
-			
-			// Die Datenfelder werden f�r die Tabs nicht ben�tigt
-			unset($tab["fields"]);
-			unset($tab["plugins"]);
-			
-            $frmTab[] = $tab;
-        }
-        
-        // setting form tabs
-        $app->tpl->setLoop("formTab", $frmTab);
-
-		// Set form action
-		$app->tpl->setVar('form_action',$this->formDef["action"]);
-		$app->tpl->setVar('form_active_tab',$active_tab);
-		
-		// Set form title
-		$form_hint = '<b>'.$this->formDef["title"].'</b>';
-		if($this->formDef["description"] != '') $form_hint .= '<br><br>'.$this->formDef["description"];
-		$app->tpl->setVar('form_hint',$form_hint);
-		
-		// Set Wordbook for this form
-		
-		$app->tpl->setVar($this->wordbook);
-    }
-	
-	
-	
-	function datalogSave($action,$primary_id,$record_new) {
-		global $app,$conf;
-		
-		// F�ge Backticks nur bei unvollst�ndigen Tabellennamen ein
-		if(stristr($this->formDef['db_table'],'.')) {
-			$escape = '';
-		} else {
-			$escape = '`';
-		}
-		
-		if($action == "UPDATE") {
-			$sql = "SELECT * FROM ".$escape.$this->formDef['db_table'].$escape." WHERE ".$this->formDef['db_table_idx']." = ".$primary_id;
-			$record_old = $app->db->queryOneRecord($sql);
-		} else {
-			$record_old = array();
-		}
-		
-		$diffrec = array();
-		
-		if(is_array($record_new)) {
-			foreach($record_new as $key => $val) {
-				if($record_old[$key] != $val) {
-					// Datensatz hat sich ge�ndert
-					$diffrec[$key] = array('old' => $record_old[$key],
-									   'new' => $val);
-				}
-			}
-		}
-		
-		if(count($diffrec) > 0) {
-			$diffstr = $app->db->quote(serialize($diffrec));
-			$username = $app->db->quote($_SESSION["s"]["user"]["username"]);
-			$dbidx = $this->formDef['db_table_idx'].":".$primary_id;
-			$action = ($action == 'INSERT')?'i':'u';
-			$sql = "INSERT INTO sys_datalog (dbtable,dbidx,action,tstamp,user,data) VALUES ('".$this->formDef['db_table']."','$dbidx','$action','".time()."','$username','$diffstr')";
-			$app->db->query($sql);
-		}
-		
-		return true;
-		
-	}
-	
-	function getAuthSQL($perm) {
-		
-		$sql = '(';
-		$sql .= "(sys_userid = ".$_SESSION["s"]["user"]["userid"]." AND sys_perm_user like '%$perm%') OR  ";
-		$sql .= "(sys_groupid IN (".$_SESSION["s"]["user"]["groups"].") AND sys_perm_group like '%$perm%') OR ";
-		$sql .= "sys_perm_other like '%$perm%'";
-		$sql .= ')';
-		
-		return $sql;
-	}
-	
-	/*
-	Diese funktion �berpr�ft, ob ein User die Berechtigung $perm f�r den Datensatz mit der ID $record_id
-	hat. It record_id = 0, dann wird gegen die user Defaults des Formulares getestet.
-	*/
-	function checkPerm($record_id,$perm) {
-		global $app;
-		
-		if($record_id > 0) {
-			// F�ge Backticks nur bei unvollst�ndigen Tabellennamen ein
-			if(stristr($this->formDef['db_table'],'.')) {
-				$escape = '';
-			} else {
-				$escape = '`';
-			}
-		
-			$sql = "SELECT ".$this->formDef['db_table_idx']." FROM ".$escape.$this->formDef['db_table'].$escape." WHERE ".$this->formDef['db_table_idx']." = ".$record_id." AND ".$this->getAuthSQL($perm);
-			if($record = $app->db->queryOneRecord($sql)) {
-				return true;
-			} else {
-				return false;
-			}
-		} else {
-			$result = false;
-			if($this->formDef["auth_preset"]["userid"] == $_SESSION["s"]["user"]["userid"] && stristr($perm,$this->formDef["auth_preset"]["perm_user"])) $result = true;
-			if($this->formDef["auth_preset"]["userid"] == $_SESSION["s"]["user"]["groupid"] && stristr($perm,$this->formDef["auth_preset"]["perm_group"])) $result = true;
-			if(@stristr($perm,$this->formDef["auth_preset"]["perm_other"])) $result = true;
-			
-			return $result;
-			
-		}
-		
-	}
-	
-	function getNextTab() {
-		// Welcher Tab wird angezeigt
-		if($this->errorMessage == '') {
-    		// wenn kein Fehler vorliegt
-			if($_REQUEST["next_tab"] != '') {
-				// wenn n�chster Tab bekannt
-				$active_tab = $_REQUEST["next_tab"];
-    		} else {
-        		// ansonsten ersten tab nehmen
-        		$active_tab = $this->formDef['tab_default'];
-    		}
-		} else {
-    		// bei Fehlern den gleichen Tab nochmal anzeigen
-    		$active_tab = $_SESSION["s"]["form"]["tab"];
-		}
-		
-		return $active_tab;
-	}
-	
-	function getCurrentTab() {
-		return $_SESSION["s"]["form"]["tab"];
-	}
-	
-}
-
+<?php
+
+/*
+Copyright (c) 2005, Till Brehm, projektfarm Gmbh
+All rights reserved.
+
+Redistribution and use in source and binary forms, with or without modification,
+are permitted provided that the following conditions are met:
+
+    * Redistributions of source code must retain the above copyright notice,
+      this list of conditions and the following disclaimer.
+    * Redistributions in binary form must reproduce the above copyright notice,
+      this list of conditions and the following disclaimer in the documentation
+      and/or other materials provided with the distribution.
+    * Neither the name of ISPConfig nor the names of its contributors
+      may be used to endorse or promote products derived from this software without
+      specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
+ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
+INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
+OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
+EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+*/
+
+/**
+* Formularbehandlung
+*
+* Funktionen zur Umwandlung von Formulardaten
+* sowie zum vorbereiten von HTML und SQL
+* Ausgaben
+*
+*        Tabellendefinition
+*
+*        Datentypen:
+*        - INTEGER (Wandelt Ausdr�cke in Int um)
+*        - DOUBLE
+*        - CURRENCY (Formatiert Zahlen nach W�hrungsnotation)
+*        - VARCHAR (kein weiterer Format Check)
+*        - DATE (Datumsformat, Timestamp Umwandlung)
+*
+*        Formtype:
+*        - TEXT (normales Textfeld)
+*        - PASSWORD (Feldinhalt wird nicht angezeigt)
+*        - SELECT (Gibt Werte als option Feld aus)
+*        - MULTIPLE (Select-Feld mit nehreren Werten)
+*
+*        VALUE:
+*        - Wert oder Array
+*
+*        SEPARATOR
+*        - Trennzeichen f�r multiple Felder
+*
+*        Hinweis:
+*        Das ID-Feld ist nicht bei den Table Values einzuf�gen.
+*
+* @package form
+* @author Till Brehm
+* @version 1.1
+*/
+
+class tform {
+
+        /**
+        * Definition der Tabelle (array)
+        * @var tableDef
+        */
+        var $tableDef;
+
+        /**
+        * Private
+        * @var action
+        */
+        var $action;
+
+        /**
+        * Tabellenname (String)
+        * @var table_name
+        */
+        var $table_name;
+
+        /**
+        * Debug Variable
+        * @var debug
+        */
+        var $debug = 0;
+
+        /**
+        * name des primary Field der Tabelle (string)
+        * @var table_index
+        */
+        var $table_index;
+
+        /**
+        * enth�lt die Fehlermeldung bei �berpr�fung
+        * der Variablen mit Regex
+        * @var errorMessage
+        */
+        var $errorMessage = '';
+
+        var $dateformat = "d.m.Y";
+    	var $formDef;
+        var $wordbook;
+        var $module;
+        var $primary_id;
+		var $diffrec = array();
+
+        /**
+        * Laden der Tabellendefinition
+        *
+        * @param file: Pfad zur Tabellendefinition
+        * @return true
+        */
+        /*
+        function loadTableDef($file) {
+                global $app,$conf;
+
+                include_once($file);
+                $this->tableDef = $table;
+                $this->table_name = $table_name;
+                $this->table_index = $table_index;
+                return true;
+        }
+        */
+
+    function loadFormDef($file,$module = '') {
+                global $app,$conf;
+
+                include_once($file);
+                $this->formDef = $form;
+
+                $this->module = $module;
+				$wb = array();
+				
+                if($module == '') {
+					if(is_file("lib/lang/".$_SESSION["s"]["language"]."_".$this->formDef["name"].".lng")) {
+                        include_once("lib/lang/".$_SESSION["s"]["language"]."_".$this->formDef["name"].".lng");
+					}
+                } else {
+					if(is_file("../$module/lib/lang/".$_SESSION["s"]["language"]."_".$this->formDef["name"].".lng")) {
+                        include_once("../$module/lib/lang/".$_SESSION["s"]["language"]."_".$this->formDef["name"].".lng");
+					}
+                }
+                $this->wordbook = $wb;
+
+                return true;
+        }
+
+
+        /**
+        * Konvertiert die Daten des �bergebenen assoziativen
+        * Arrays in "menschenlesbare" Form.
+        * Datentyp Konvertierung, z.B. f�r Ausgabe in Listen.
+        *
+        * @param record
+        * @return record
+        */
+        function decode($record,$tab) {
+                if(!is_array($this->formDef['tabs'][$tab])) $app->error("Tab ist leer oder existiert nicht (TAB: $tab).");
+                $new_record = '';
+				if(is_array($record)) {
+                        foreach($this->formDef['tabs'][$tab]['fields'] as $key => $field) {
+                                switch ($field['datatype']) {
+                                case 'VARCHAR':
+                                        $new_record[$key] = stripslashes($record[$key]);
+                                break;
+
+                                case 'TEXT':
+                                        $new_record[$key] = stripslashes($record[$key]);
+                                break;
+
+                                case 'DATE':
+                                        if($record[$key] > 0) {
+                                                $new_record[$key] = date($this->dateformat,$record[$key]);
+                                        }
+                                break;
+
+                                case 'INTEGER':
+                                        $new_record[$key] = intval($record[$key]);
+                                break;
+
+                                case 'DOUBLE':
+                                        $new_record[$key] = $record[$key];
+                                break;
+
+                                case 'CURRENCY':
+                                        $new_record[$key] = number_format($record[$key], 2, ',', '');
+                                break;
+
+                                default:
+                                        $new_record[$key] = stripslashes($record[$key]);
+                                }
+                        }
+
+                }
+				
+        return $new_record;
+        }
+
+        /**
+        * Get the key => value array of a form filed from a datasource definitiom
+        *
+        * @param field = array with field definition
+        * @param record = Dataset as array
+        * @return key => value array for the value field of a form
+        */
+
+        function getDatasourceData($field, $record) {
+                global $app;
+
+                $values = array();
+
+                if($field["datasource"]["type"] == 'SQL') {
+
+                        // Preparing SQL string. We will replace some
+                        // common placeholders
+                        $querystring = $field["datasource"]["querystring"];
+                        $querystring = str_replace("{USERID}",$_SESSION["s"]["user"]["userid"],$querystring);
+                        $querystring = str_replace("{GROUPID}",$_SESSION["s"]["user"]["default_group"],$querystring);
+                        $querystring = str_replace("{GROUPS}",$_SESSION["s"]["user"]["groups"],$querystring);
+                        $table_idx = $this->formDef['db_table_idx'];
+						
+						$tmp_recordid = (isset($record[$table_idx]))?$record[$table_idx]:0;
+                        $querystring = str_replace("{RECORDID}",$tmp_recordid,$querystring);
+						unset($tmp_recordid);
+						
+                        $querystring = str_replace("{AUTHSQL}",$this->getAuthSQL('r'),$querystring);
+
+                        // Getting the records
+                        $tmp_records = $app->db->queryAllRecords($querystring);
+                        if($app->db->errorMessage != '') die($app->db->errorMessage);
+                        if(is_array($tmp_records)) {
+                                $key_field = $field["datasource"]["keyfield"];
+                                $value_field = $field["datasource"]["valuefield"];
+                                foreach($tmp_records as $tmp_rec) {
+                                        $tmp_id = $tmp_rec[$key_field];
+                                        $values[$tmp_id] = $tmp_rec[$value_field];
+                                }
+                        }
+                }
+
+                if($field["datasource"]["type"] == 'CUSTOM') {
+                        // Calls a custom class to validate this record
+                        if($field["datasource"]['class'] != '' and $field["datasource"]['function'] != '') {
+                                $datasource_class = $field["datasource"]['class'];
+                                $datasource_function = $field["datasource"]['function'];
+                                $app->uses($datasource_class);
+                                $values = $app->$datasource_class->$datasource_function($field, $record);
+                        } else {
+                                $this->errorMessage .= "Custom datasource class or function is empty<br>\r\n";
+                        }
+                }
+
+                return $values;
+
+        }
+
+
+        /**
+        * Record f�r Ausgabe in Formularen vorbereiten.
+        *
+        * @param record = Datensatz als Array
+        * @param action = NEW oder EDIT
+        * @return record
+        */
+        function getHTML($record, $tab, $action = 'NEW') {
+
+                global $app;
+
+                $this->action = $action;
+
+                if(!is_array($this->formDef)) $app->error("Keine Formdefinition vorhanden.");
+                if(!is_array($this->formDef['tabs'][$tab])) $app->error("Tab ist leer oder existiert nicht (TAB: $tab).");
+
+                $new_record = array();
+                if($action == 'EDIT') {
+                        $record = $this->decode($record,$tab);
+                        if(is_array($record)) {
+                                foreach($this->formDef['tabs'][$tab]['fields'] as $key => $field) {
+                                        $val = $record[$key];
+
+                                        // If Datasource is set, get the data from there
+                                        if(isset($field['datasource']) && is_array($field['datasource'])) {
+                                                $field["value"] = $this->getDatasourceData($field, $record);
+                                        }
+
+                                        switch ($field['formtype']) {
+                                        case 'SELECT':
+												$out = '';
+                                                if(is_array($field['value'])) {
+                                                        foreach($field['value'] as $k => $v) {
+                                                                $selected = ($k == $val)?' SELECTED':'';
+                                                                $out .= "<option value='$k'$selected>$v</option>\r\n";
+                                                        }
+                                                }
+                                                $new_record[$key] = $out;
+                                        break;
+                                        case 'MULTIPLE':
+                                                if(is_array($field['value'])) {
+
+                                                        // aufsplitten ergebnisse
+                                                        $vals = explode($field['separator'],$val);
+
+                                                        // HTML schreiben
+                                                        $out = '';
+                                                        foreach($field['value'] as $k => $v) {
+
+                                                                $selected = '';
+                                                                foreach($vals as $tvl) {
+                                                                        if(trim($tvl) == trim($k)) $selected = ' SELECTED';
+                                                                }
+
+                                                                $out .= "<option value='$k'$selected>$v</option>\r\n";
+                                                        }
+                                                }
+                                                $new_record[$key] = $out;
+                                        break;
+
+                                        case 'PASSWORD':
+                                                $new_record[$key] = '';
+                                        break;
+
+                                        case 'CHECKBOX':
+                                                $checked = ($val == $field['value'][1])?' CHECKED':'';
+                                                $new_record[$key] = "<input name=\"".$key."\" type=\"checkbox\" value=\"".$field['value'][1]."\" $checked>\r\n";
+                                        break;
+
+                                        case 'CHECKBOXARRAY':
+                                                if(is_array($field['value'])) {
+
+                                                        // aufsplitten ergebnisse
+                                                        $vals = explode($field['separator'],$val);
+
+                                                        // HTML schreiben
+                                                        $out = '';
+                                                        foreach($field['value'] as $k => $v) {
+
+                                                                $checked = '';
+                                                                foreach($vals as $tvl) {
+                                                                        if(trim($tvl) == trim($k)) $checked = ' CHECKED';
+                                                                }
+
+                                                                $out .= "<input name=\"".$key."[]\" type=\"checkbox\" value=\"$k\" $checked>$v <br />\r\n";
+                                                        }
+                                                }
+                                                $new_record[$key] = $out;
+                                        break;
+
+                                        case 'RADIO':
+                                                if(is_array($field['value'])) {
+
+                                                        // HTML schreiben
+                                                        $out = '';
+                                                        foreach($field['value'] as $k => $v) {
+                                                                $checked = ($k == $val)?' CHECKED':'';
+                                                                $out .= "<input name='".$key."[]' type='radio' value='$k'$checked> $v<br>\r\n";
+                                                        }
+                                                }
+                                                $new_record[$key] = $out;
+                                        break;
+
+                                        default:
+                                                $new_record[$key] = htmlspecialchars($record[$key]);
+                                        }
+                                }
+                        }
+                } else {
+                        // Action: NEW
+                        foreach($this->formDef['tabs'][$tab]['fields'] as $key => $field) {
+
+                                // If Datasource is set, get the data from there
+                                if(@is_array($field['datasource'])) {
+                                        $field["value"] = $this->getDatasourceData($field, $record);
+                                }
+
+                                switch ($field['formtype']) {
+                                case 'SELECT':
+                                        if(is_array($field['value'])) {
+                                                $out = '';
+                                                foreach($field['value'] as $k => $v) {
+                                                    //$selected = ($k == $val)?' SELECTED':'';
+													$selected = '';
+                                                    $out .= "<option value='$k'$selected>$v</option>\r\n";
+                                                }
+                                        }
+                                        if(isset($out)) $new_record[$key] = $out;
+                                break;
+                                case 'MULTIPLE':
+                                                if(is_array($field['value'])) {
+
+                                                        // aufsplitten ergebnisse
+                                                        $vals = explode($field['separator'],$val);
+
+                                                        // HTML schreiben
+                                                        $out = '';
+                                                        foreach($field['value'] as $k => $v) {
+
+                                                                $out .= "<option value='$k'>$v</option>\r\n";
+                                                        }
+                                                }
+                                                $new_record[$key] = $out;
+                                        break;
+
+                                case 'PASSWORD':
+                                        $new_record[$key] = '';
+                                break;
+
+                                case 'CHECKBOX':
+                                        // $checked = (empty($field["default"]))?'':' CHECKED';
+										$checked = ($field["default"] == $field['value'][1])?' CHECKED':'';
+                                        $new_record[$key] = "<input name=\"".$key."\" type=\"checkbox\" value=\"".$field['value'][1]."\" $checked>\r\n";
+                                break;
+
+                                case 'CHECKBOXARRAY':
+                                        if(is_array($field['value'])) {
+
+                                                // aufsplitten ergebnisse
+                                                $vals = explode($field['separator'],$field["default"]);
+
+                                                // HTML schreiben
+                                                $out = '';
+                                                foreach($field['value'] as $k => $v) {
+
+                                                        $checked = '';
+                                                        foreach($vals as $tvl) {
+                                                                if(trim($tvl) == trim($k)) $checked = ' CHECKED';
+                                                        }
+
+                                                        $out .= "<input name=\"".$key."[]\" type=\"checkbox\" value=\"$k\" $checked> $v<br />\r\n";
+                                                }
+                                        }
+                                        $new_record[$key] = $out;
+                                break;
+
+                                case 'RADIO':
+                                        if(is_array($field['value'])) {
+
+                                                // HTML schreiben
+                                                $out = '';
+                                                foreach($field['value'] as $k => $v) {
+                                                        $checked = ($k == $field["default"])?' CHECKED':'';
+                                                        $out .= "<input name='".$key."[]' type='radio' value='$k'$checked> $v<br>\r\n";
+                                                }
+                                        }
+                                        $new_record[$key] = $out;
+                                break;
+
+                                default:
+                                        $new_record[$key] = htmlspecialchars($field['default']);
+                                }
+                        }
+
+                }
+
+                if($this->debug == 1) $this->dbg($new_record);
+
+                return $new_record;
+        }
+
+        /**
+        * Record in "maschinen lesbares" Format �berf�hren
+        * und Werte gegen regul�re Ausdr�cke pr�fen.
+        *
+        * @param record = Datensatz als Array
+        * @return record
+        */
+        function encode($record,$tab) {
+
+                if(!is_array($this->formDef['tabs'][$tab])) $app->error("Tab ist leer oder existiert nicht (TAB: $tab).");
+                //$this->errorMessage = '';
+
+                if(is_array($record)) {
+                        foreach($this->formDef['tabs'][$tab]['fields'] as $key => $field) {
+
+                                if(isset($field['validators']) && is_array($field['validators'])) $this->validateField($key, (isset($record[$key]))?$record[$key]:'', $field['validators']);
+
+                                switch ($field['datatype']) {
+                                case 'VARCHAR':
+                                        if(!@is_array($record[$key])) {
+                                                $new_record[$key] = (isset($record[$key]))?addslashes($record[$key]):'';
+                                        } else {
+                                                $new_record[$key] = implode($field['separator'],$record[$key]);
+                                        }
+                                break;
+                                case 'TEXT':
+                                        if(!is_array($record[$key])) {
+                                                $new_record[$key] = addslashes($record[$key]);
+                                        } else {
+                                                $new_record[$key] = implode($field['separator'],$record[$key]);
+                                        }
+                                break;
+                                case 'DATE':
+                                        if($record[$key] > 0) {
+                                                list($tag,$monat,$jahr) = explode('.',$record[$key]);
+                                                $new_record[$key] = mktime(0,0,0,$monat,$tag,$jahr);
+                                        } else {
+											$new_record[$key] = 0;
+										}
+                                break;
+                                case 'INTEGER':
+                                        $new_record[$key] = (isset($record[$key]))?intval($record[$key]):0;
+                                        //if($new_record[$key] != $record[$key]) $new_record[$key] = $field['default'];
+                                        //if($key == 'refresh') die($record[$key]);
+                                break;
+                                case 'DOUBLE':
+                                        $new_record[$key] = addslashes($record[$key]);
+                                break;
+                                case 'CURRENCY':
+                                        $new_record[$key] = str_replace(",",".",$record[$key]);
+                                break;
+                                }
+
+                                // The use of the field value is deprecated, use validators instead
+                                if(isset($field['regex']) && $field['regex'] != '') {
+                                        // Enable that "." matches also newlines
+                                        $field['regex'] .= 's';
+                                        if(!preg_match($field['regex'], $record[$key])) {
+                                                $errmsg = $field['errmsg'];
+                                                $this->errorMessage .= $this->wordbook[$errmsg]."<br>\r\n";
+                                        }
+                                }
+
+
+                        }
+                }
+                return $new_record;
+        }
+
+        /**
+        * process the validators for a given field.
+        *
+        * @param field_name = Name of the field
+        * @param field_value = value of the field
+        * @param validatoors = Array of validators
+        * @return record
+        */
+
+        function validateField($field_name, $field_value, $validators) {
+
+                global $app;
+				
+				$escape = '`';
+				
+                // loop trough the validators
+                foreach($validators as $validator) {
+
+                        switch ($validator['type']) {
+                                case 'REGEX':
+                                        $validator['regex'] .= 's';
+                                        if(!preg_match($validator['regex'], $field_value)) {
+                                                $errmsg = $validator['errmsg'];
+                                                if(isset($this->wordbook[$errmsg])) {
+                                                	$this->errorMessage .= $this->wordbook[$errmsg]."<br>\r\n";
+												} else {
+													$this->errorMessage .= $errmsg."<br>\r\n";
+												}
+                                        }
+                                break;
+                                case 'UNIQUE':
+                                        if($this->action == 'NEW') {
+                                                $num_rec = $app->db->queryOneRecord("SELECT count(*) as number FROM ".$escape.$this->formDef['db_table'].$escape. " WHERE $field_name = '".$app->db->quote($field_value)."'");
+                                                if($num_rec["number"] > 0) {
+                                                        $errmsg = $validator['errmsg'];
+														if(isset($this->wordbook[$errmsg])) {
+                                                        	$this->errorMessage .= $this->wordbook[$errmsg]."<br>\r\n";
+														} else {
+															$this->errorMessage .= $errmsg."<br>\r\n";
+														}
+                                                }
+                                        } else {
+                                                $num_rec = $app->db->queryOneRecord("SELECT count(*) as number FROM ".$escape.$this->formDef['db_table'].$escape. " WHERE $field_name = '".$app->db->quote($field_value)."' AND ".$this->formDef['db_table_idx']." != ".$this->primary_id);
+                                                if($num_rec["number"] > 0) {
+                                                        $errmsg = $validator['errmsg'];
+                                                        if(isset($this->wordbook[$errmsg])) {
+                                                        	$this->errorMessage .= $this->wordbook[$errmsg]."<br>\r\n";
+														} else {
+															$this->errorMessage .= $errmsg."<br>\r\n";
+														}
+                                                }
+                                        }
+                                break;
+                                case 'NOTEMPTY':
+                                        if(empty($field_value)) {
+                                                $errmsg = $validator['errmsg'];
+                                                if(isset($this->wordbook[$errmsg])) {
+                                                    $this->errorMessage .= $this->wordbook[$errmsg]."<br>\r\n";
+												} else {
+													$this->errorMessage .= $errmsg."<br>\r\n";
+												}
+                                        }
+                                break;
+                                case 'ISEMAIL':
+                                        if(!preg_match("/^\w+[\w.-]*\w+@\w+[\w.-]*\w+\.[a-z]{2,10}$/i", $field_value)) {
+                                                $errmsg = $validator['errmsg'];
+                                                if(isset($this->wordbook[$errmsg])) {
+                                                    $this->errorMessage .= $this->wordbook[$errmsg]."<br>\r\n";
+												} else {
+													$this->errorMessage .= $errmsg."<br>\r\n";
+												}
+                                        }
+                                break;
+                                case 'ISINT':
+                                        $tmpval = intval($field_value);
+                                        if($tmpval === 0 and !empty($field_value)) {
+                                                $errmsg = $validator['errmsg'];
+                                                if(isset($this->wordbook[$errmsg])) {
+                                                    $this->errorMessage .= $this->wordbook[$errmsg]."<br>\r\n";
+												} else {
+													$this->errorMessage .= $errmsg."<br>\r\n";
+												}
+                                        }
+                                break;
+                                case 'ISPOSITIVE':
+                                        if(!is_numeric($field_value) || $field_value <= 0){
+                                          $errmsg = $validator['errmsg'];
+                                          if(isset($this->wordbook[$errmsg])) {
+                                             $this->errorMessage .= $this->wordbook[$errmsg]."<br>\r\n";
+										  } else {
+											 $this->errorMessage .= $errmsg."<br>\r\n";
+										  }
+                                        }
+                                break;
+                                case 'CUSTOM':
+                                        // Calls a custom class to validate this record
+                                        if($validator['class'] != '' and $validator['function'] != '') {
+                                                $validator_class = $validator['class'];
+                                                $validator_function = $validator['function'];
+                                                $app->uses($validator_class);
+                                                $this->errorMessage .= $app->$validator_class->$validator_function($field_name, $field_value, $validator);
+                                        } else {
+                                                $this->errorMessage .= "Custom validator class or function is empty<br>\r\n";
+                                        }
+                                break;
+								default:
+									$this->errorMessage .= "Unknown Validator: ".$validator['type'];
+								break;
+                        }
+
+
+                }
+
+                return true;
+        }
+
+        /**
+        * SQL Statement f�r Record erzeugen.
+        *
+        * @param record = Datensatz als Array
+        * @param action = INSERT oder UPDATE
+        * @param primary_id
+        * @return record
+        */
+        function getSQL($record, $tab, $action = 'INSERT', $primary_id = 0, $sql_ext_where = '') {
+
+                global $app;
+
+                // If there are no data records on the tab, return empty sql string
+                if(count($this->formDef['tabs'][$tab]['fields']) == 0) return '';
+
+                // checking permissions
+                if($this->formDef['auth'] == 'yes' && $_SESSION["s"]["user"]["typ"] != 'admin') {
+                        if($action == "INSERT") {
+                                if(!$this->checkPerm($primary_id,'i')) $this->errorMessage .= "Insert denied.<br>\r\n";
+                        } else {
+                                if(!$this->checkPerm($primary_id,'u')) $this->errorMessage .= "Update denied.<br>\r\n";
+                        }
+                }
+
+                $this->action = $action;
+                $this->primary_id = $primary_id;
+
+                $record = $this->encode($record,$tab);
+                $sql_insert_key = '';
+                $sql_insert_val = '';
+                $sql_update = '';
+
+                if(!is_array($this->formDef)) $app->error("Keine Formulardefinition vorhanden.");
+                if(!is_array($this->formDef['tabs'][$tab])) $app->error("Tab ist leer oder existiert nicht (TAB: $tab).");
+
+                // gehe durch alle Felder des Tabs
+                if(is_array($record)) {
+                foreach($this->formDef['tabs'][$tab]['fields'] as $key => $field) {
+                                // Wenn es kein leeres Passwortfeld ist
+                                if (!($field['formtype'] == 'PASSWORD' and $record[$key] == '')) {
+                                        // Erzeuge Insert oder Update Quelltext
+                                        if($action == "INSERT") {
+                                                if($field['formtype'] == 'PASSWORD') {
+                                                        $sql_insert_key .= "`$key`, ";
+                                                        if($field['encryption'] == 'CRYPT') {
+                                                                $salt="$1$";
+																for ($n=0;$n<11;$n++) {
+																	$salt.=chr(mt_rand(64,126));
+																}
+																$salt.="$";
+																// $salt = substr(md5(time()),0,2);
+																$record[$key] = crypt($record[$key],$salt);
+                                                        } else {
+                                                                $record[$key] = md5($record[$key]);
+                                                        }
+														$sql_insert_val .= "'".addslashes($record[$key])."', ";
+                                                } elseif ($field['formtype'] == 'CHECKBOX') {
+                                                        $sql_insert_key .= "`$key`, ";
+														if($record[$key] == '') {
+															// if a checkbox is not set, we set it to the unchecked value
+															$sql_insert_val .= "'".$field['value'][0]."', ";
+															$record[$key] = $field['value'][0];
+														} else {
+															$sql_insert_val .= "'".$record[$key]."', ";
+														}
+                                                } else {
+                                                        $sql_insert_key .= "`$key`, ";
+                                                        $sql_insert_val .= "'".$record[$key]."', ";
+                                                }
+                                        } else {
+                                                if($field['formtype'] == 'PASSWORD') {
+														if(isset($field['encryption']) && $field['encryption'] == 'CRYPT') {
+                                                                $salt="$1$";
+																for ($n=0;$n<11;$n++) {
+																	$salt.=chr(mt_rand(64,126));
+																}
+																$salt.="$";
+																// $salt = substr(md5(time()),0,2);
+																$record[$key] = crypt($record[$key],$salt);
+                                                        } else {
+                                                                $record[$key] = md5($record[$key]);
+                                                        }
+                                                        $sql_update .= "`$key` = '".addslashes($record[$key])."', ";
+                                                } elseif ($field['formtype'] == 'CHECKBOX') {
+														if($record[$key] == '') {
+															// if a checkbox is not set, we set it to the unchecked value
+															$sql_update .= "`$key` = '".$field['value'][0]."', ";
+															$record[$key] = $field['value'][0];
+														} else {
+															$sql_update .= "`$key` = '".$record[$key]."', ";
+														}
+                                                } else {
+                                                        $sql_update .= "`$key` = '".$record[$key]."', ";
+                                                }
+                                        }
+                                } else {
+									// we unset the password filed, if empty to tell the datalog function 
+									// that the password has not been changed
+								    unset($record[$key]);
+								}
+                        }
+        }
+
+
+                // F�ge Backticks nur bei unvollst�ndigen Tabellennamen ein
+                if(stristr($this->formDef['db_table'],'.')) {
+                        $escape = '';
+                } else {
+                        $escape = '`';
+                }
+
+
+                if($action == "INSERT") {
+                        if($this->formDef['auth'] == 'yes') {
+                                // Setze User und Gruppe
+                                $sql_insert_key .= "`sys_userid`, ";
+                                $sql_insert_val .= ($this->formDef["auth_preset"]["userid"] > 0)?"'".$this->formDef["auth_preset"]["userid"]."', ":"'".$_SESSION["s"]["user"]["userid"]."', ";
+                                $sql_insert_key .= "`sys_groupid`, ";
+                                $sql_insert_val .= ($this->formDef["auth_preset"]["groupid"] > 0)?"'".$this->formDef["auth_preset"]["groupid"]."', ":"'".$_SESSION["s"]["user"]["default_group"]."', ";
+                                $sql_insert_key .= "`sys_perm_user`, ";
+                                $sql_insert_val .= "'".$this->formDef["auth_preset"]["perm_user"]."', ";
+                                $sql_insert_key .= "`sys_perm_group`, ";
+                                $sql_insert_val .= "'".$this->formDef["auth_preset"]["perm_group"]."', ";
+                                $sql_insert_key .= "`sys_perm_other`, ";
+                                $sql_insert_val .= "'".$this->formDef["auth_preset"]["perm_other"]."', ";
+                        }
+                        $sql_insert_key = substr($sql_insert_key,0,-2);
+                        $sql_insert_val = substr($sql_insert_val,0,-2);
+                        $sql = "INSERT INTO ".$escape.$this->formDef['db_table'].$escape." ($sql_insert_key) VALUES ($sql_insert_val)";
+                } else {
+                        if($primary_id != 0) {
+                                $sql_update = substr($sql_update,0,-2);
+                                $sql = "UPDATE ".$escape.$this->formDef['db_table'].$escape." SET ".$sql_update." WHERE ".$this->getAuthSQL('u')." AND ".$this->formDef['db_table_idx']." = ".$primary_id;
+                                if($sql_ext_where != '') $sql .= " and ".$sql_ext_where;
+                        } else {
+                                $app->error("Primary ID fehlt!");
+                        }
+                }
+                
+                return $sql;
+        }
+
+        /**
+        * Debugging arrays.
+        *
+        * @param array_data
+        */
+        function dbg($array_data) {
+
+                echo "<pre>";
+                print_r($array_data);
+                echo "</pre>";
+
+        }
+
+
+    function showForm() {
+            global $app,$conf;
+
+        if(!is_array($this->formDef)) die("Form Definition wurde nicht geladen.");
+
+                $active_tab = $this->getNextTab();
+
+        // definiere Tabs
+        foreach( $this->formDef["tabs"] as $key => $tab) {
+
+            $tab['name'] = $key;
+            if($tab['name'] == $active_tab) {
+
+                // Wenn Modul gesetzt, dann setzte template pfad relativ zu modul.
+                if($this->module != '') $tab["template"] = "../".$this->module."/".$tab["template"];
+
+                // �berpr�fe, ob das Template existiert, wenn nicht
+                // dann generiere das Template
+				
+				// Translate the title of the tab
+				$tab['title'] = $this->lng($tab['title']);
+								
+                if(!is_file($tab["template"])) {
+                     $app->uses('tform_tpl_generator');
+                     $app->tform_tpl_generator->buildHTML($this->formDef,$tab['name']);
+                }
+
+                $app->tpl->setInclude('content_tpl',$tab["template"]);
+                $tab["active"] = 1;
+                $_SESSION["s"]["form"]["tab"] = $tab['name'];
+            } else {
+                    $tab["active"] = 0;
+            }
+
+                        // Die Datenfelder werden f�r die Tabs nicht ben�tigt
+                        unset($tab["fields"]);
+                        unset($tab["plugins"]);
+
+            $frmTab[] = $tab;
+        }
+
+        // setting form tabs
+        $app->tpl->setLoop("formTab", $frmTab);
+
+                // Set form action
+                $app->tpl->setVar('form_action',$this->formDef["action"]);
+                $app->tpl->setVar('form_active_tab',$active_tab);
+
+                // Set form title
+                $form_hint = '<b>'.$this->lng($this->formDef["title"]).'</b>';
+                if($this->formDef["description"] != '') $form_hint .= '<br><br>'.$this->lng($this->formDef["description"]);
+                $app->tpl->setVar('form_hint',$form_hint);
+
+                // Set Wordbook for this form
+
+                $app->tpl->setVar($this->wordbook);
+    	}
+
+		function getDataRecord($primary_id) {
+			global $app;
+			$escape = '`';
+			$sql = "SELECT * FROM ".$escape.$this->formDef['db_table'].$escape." WHERE ".$this->formDef['db_table_idx']." = ".$primary_id;
+            return $app->db->queryOneRecord($sql);
+		}
+		
+
+        function datalogSave($action,$primary_id, $record_old, $record_new) {
+                global $app,$conf;
+
+                // F�ge Backticks nur bei unvollst�ndigen Tabellennamen ein
+                if(stristr($this->formDef['db_table'],'.')) {
+                        $escape = '';
+                } else {
+                        $escape = '`';
+                }
+
+                $diffrec = array();
+				
+                if(is_array($record_new) && count($record_new) > 0) {
+                        foreach($record_new as $key => $val) {
+                                if(@$record_old[$key] != $val) {
+										// Record has changed
+                                        $diffrec[$key] = array('old' => @$record_old[$key],
+                                                               'new' => $val);
+                                }
+                        }
+                } elseif(is_array($record_old)) {
+                        foreach($record_old as $key => $val) {
+                                if($record_new[$key] != $val) {
+										// Record has changed
+                                        $diffrec[$key] = array('new' => $record_new[$key],
+                                                               'old' => $val);
+                                }
+                        }
+                }
+				$this->diffrec = $diffrec;
+				
+				
+				// Full diff records for ISPConfig, they have a different format then the simple diffrec
+				$diffrec_full = array();
+
+                if(is_array($record_old) && count($record_old) > 0) {
+                        foreach($record_old as $key => $val) {
+                                //if(isset($record_new[$key]) && $record_new[$key] != $val) {
+								if(!isset($record_new[$key]) || $record_new[$key] != $val) {
+                                    // Record has changed
+									$diffrec_full['old'][$key] = $val;
+									$diffrec_full['new'][$key] = $record_new[$key];
+                                } else {
+									$diffrec_full['old'][$key] = $val;
+									$diffrec_full['new'][$key] = $val;
+								}
+                        }
+                } elseif(is_array($record_new)) {
+                        foreach($record_new as $key => $val) {
+                                if(isset($record_new[$key]) && $record_old[$key] != $val) {
+                                    // Record has changed
+									$diffrec_full['new'][$key] = $val;
+									$diffrec_full['old'][$key] = $record_old[$key];
+                                } else {
+									$diffrec_full['new'][$key] = $val;
+									$diffrec_full['old'][$key] = $val;
+								}
+                        }
+                }
+				
+				// Insert the server_id, if the record has a server_id
+				$server_id = (isset($record_old["server_id"]) && $record_old["server_id"] > 0)?$record_old["server_id"]:0;
+				if(isset($record_new["server_id"])) $server_id = $record_new["server_id"];
+
+                if(count($this->diffrec) > 0) {
+						$diffstr = $app->db->quote(serialize($diffrec_full));
+                        $username = $app->db->quote($_SESSION["s"]["user"]["username"]);
+                        $dbidx = $this->formDef['db_table_idx'].":".$primary_id;
+                        // $action = ($action == 'INSERT')?'i':'u';
+						
+						if($action == 'INSERT') $action = 'i';
+						if($action == 'UPDATE') $action = 'u';
+						if($action == 'DELETE') $action = 'd';
+                        $sql = "INSERT INTO sys_datalog (dbtable,dbidx,server_id,action,tstamp,user,data) VALUES ('".$this->formDef['db_table']."','$dbidx','$server_id','$action','".time()."','$username','$diffstr')";
+						$app->db->query($sql);
+                }
+
+                return true;
+
+        }
+
+        function getAuthSQL($perm) {
+				if($_SESSION["s"]["user"]["typ"] == 'admin') {
+					return '1';
+				} else {
+                	$groups = ( $_SESSION["s"]["user"]["groups"] ) ? $_SESSION["s"]["user"]["groups"] : 0;
+					$sql = '(';
+                	$sql .= "(sys_userid = ".$_SESSION["s"]["user"]["userid"]." AND sys_perm_user like '%$perm%') OR  ";
+                	$sql .= "(sys_groupid IN (".$groups.") AND sys_perm_group like '%$perm%') OR ";
+                	$sql .= "sys_perm_other like '%$perm%'";
+                	$sql .= ')';
+
+                	return $sql;
+				}
+        }
+
+        /*
+        Diese funktion �berpr�ft, ob ein User die Berechtigung $perm f�r den Datensatz mit der ID $record_id
+        hat. It record_id = 0, dann wird gegen die user Defaults des Formulares getestet.
+        */
+        function checkPerm($record_id,$perm) {
+                global $app;
+
+                if($record_id > 0) {
+                        // F�ge Backticks nur bei unvollst�ndigen Tabellennamen ein
+                        if(stristr($this->formDef['db_table'],'.')) {
+                                $escape = '';
+                        } else {
+                                $escape = '`';
+                        }
+
+                        $sql = "SELECT ".$this->formDef['db_table_idx']." FROM ".$escape.$this->formDef['db_table'].$escape." WHERE ".$this->formDef['db_table_idx']." = ".$record_id." AND ".$this->getAuthSQL($perm);
+                        if($record = $app->db->queryOneRecord($sql)) {
+                                return true;
+                        } else {
+                                return false;
+                        }
+                } else {
+                        $result = false;
+                        if(@$this->formDef["auth_preset"]["userid"] == $_SESSION["s"]["user"]["userid"] && stristr($perm,$this->formDef["auth_preset"]["perm_user"])) $result = true;
+                        if(@$this->formDef["auth_preset"]["groupid"] == $_SESSION["s"]["user"]["groupid"] && stristr($perm,$this->formDef["auth_preset"]["perm_group"])) $result = true;
+                        if(@stristr($this->formDef["auth_preset"]["perm_other"],$perm)) $result = true;
+
+                        // if preset == 0, everyone can insert a record of this type
+                        if($this->formDef["auth_preset"]["userid"] == 0 AND $this->formDef["auth_preset"]["groupid"] == 0 AND (@stristr($this->formDef["auth_preset"]["perm_user"],$perm) OR @stristr($this->formDef["auth_preset"]["perm_group"],$perm))) $result = true;
+
+                        return $result;
+
+                }
+
+        }
+
+        function getNextTab() {
+                // Welcher Tab wird angezeigt
+                if($this->errorMessage == '') {
+                    // wenn kein Fehler vorliegt
+                    if(isset($_REQUEST["next_tab"]) && $_REQUEST["next_tab"] != '') {
+                                // wenn n�chster Tab bekannt
+                                $active_tab = $_REQUEST["next_tab"];
+                    } else {
+                        // ansonsten ersten tab nehmen
+                        $active_tab = $this->formDef['tab_default'];
+                    }
+                } else {
+                    // bei Fehlern den gleichen Tab nochmal anzeigen
+                    $active_tab = $_SESSION["s"]["form"]["tab"];
+                }
+
+                return $active_tab;
+        }
+
+        function getCurrentTab() {
+                return $_SESSION["s"]["form"]["tab"];
+        }
+		
+		function isReadonlyTab($tab) {
+			if(isset($this->formDef['tabs'][$tab]['readonly']) && $this->formDef['tabs'][$tab]['readonly'] == true) {
+				return true;
+			} else {
+				return false;
+			}
+        }
+		
+		
+		// translation function for forms, tries the form wordbook first and if this fails, it tries the global wordbook
+		function lng($msg) {
+			global $app;
+			
+			if(isset($this->wordbook[$msg])) {
+				return $this->wordbook[$msg];
+			} else {
+				return $app->lng($msg);
+			}
+			
+		}
+
+}
+
 ?>
\ No newline at end of file

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