From 80b747a0c562c6f9bb19a26d190eb0fa28ed7246 Mon Sep 17 00:00:00 2001
From: Benjamin Renard <brenard@easter-eggs.com>
Date: Mon, 11 Mar 2019 22:21:25 +0100
Subject: [PATCH] Add and use helper methods to access configuration parameters

---
 .../includes/class/class.LSattr_html.php      |  22 ++-
 .../class/class.LSattr_html_image.php         |   2 +-
 .../class/class.LSattr_html_maildir.php       |  10 +-
 .../class/class.LSattr_html_password.php      |   2 +-
 .../class/class.LSattr_html_select_list.php   |   2 +-
 .../class/class.LSattr_html_select_object.php | 144 +++++++++--------
 .../includes/class/class.LSattr_ldap.php      |  15 +-
 .../class/class.LSattr_ldap_boolean.php       |  15 +-
 .../includes/class/class.LSattr_ldap_date.php |  12 +-
 .../class/class.LSattr_ldap_password.php      |  62 +++----
 .../includes/class/class.LSattribute.php      | 151 ++++++++----------
 public_html/includes/class/class.LSconfig.php |  30 +++-
 .../includes/class/class.LSformElement.php    |  39 +++--
 .../class/class.LSformElement_boolean.php     |   6 +-
 .../class/class.LSformElement_date.php        |  29 ++--
 ...s.LSformElement_jsonCompositeAttribute.php |   4 +-
 .../class.LSformElement_labeledValue.php      |  10 +-
 .../class/class.LSformElement_mail.php        |   2 +-
 .../class/class.LSformElement_mailQuota.php   |   7 +-
 .../class/class.LSformElement_password.php    |  76 +++++----
 .../class.LSformElement_postaladdress.php     |  24 +--
 .../class/class.LSformElement_quota.php       |   5 +-
 .../class/class.LSformElement_select.php      |   4 +-
 .../class/class.LSformElement_select_box.php  |   2 +-
 .../class.LSformElement_select_object.php     |  29 ++--
 .../class/class.LSformElement_text.php        |   4 +-
 .../class.LSformElement_valueWithUnit.php     |  22 +--
 .../class/class.LSformElement_wysiwyg.php     |   2 +-
 .../includes/class/class.LSldapObject.php     |  76 +++++----
 public_html/includes/class/class.LSsearch.php |   8 +-
 30 files changed, 422 insertions(+), 394 deletions(-)

diff --git a/public_html/includes/class/class.LSattr_html.php b/public_html/includes/class/class.LSattr_html.php
index 5f0f327d..d0d1932f 100644
--- a/public_html/includes/class/class.LSattr_html.php
+++ b/public_html/includes/class/class.LSattr_html.php
@@ -61,12 +61,7 @@ class LSattr_html {
    * @retval string Le label de l'attribut.
    */
   function getLabel() {
-    if ( $this -> config['label'] != '' ) {
-      return __($this -> config['label']);
-    }
-    else {
-      return __($this -> name);
-    }
+    return __($this -> getConfig('label', $this -> name));
   }
   
   /**
@@ -83,7 +78,7 @@ class LSattr_html {
       LSerror :: addErrorCode('LSattr_html_01',$this -> name);
       return;
     }
-    $element=$form -> addElement($this -> LSformElement_type, $this -> name, $this -> config['label'],$this -> config, $this);
+    $element=$form -> addElement($this -> LSformElement_type, $this -> name, $this -> getLabel(), $this -> config, $this);
     if(!$element) {
       LSerror :: addErrorCode('LSform_06',$this -> name);
       return;
@@ -116,6 +111,19 @@ class LSattr_html {
     return $this -> attribute -> getDisplayValue();
   }
 
+  /**
+   * Return a configuration parameter (or default value)
+   *
+   * @param[] $param	The configuration parameter
+   * @param[] $default	The default value (default : null)
+   * @param[] $cast	Cast resulting value in specific type (default : disabled)
+   *
+   * @retval mixed The configuration parameter value or default value if not set
+   **/
+  public function getConfig($param, $default=null, $cast=null) {
+    return LSconfig :: get($param, $default, $cast, $this -> config);
+  }
+
 }
 
 /*
diff --git a/public_html/includes/class/class.LSattr_html_image.php b/public_html/includes/class/class.LSattr_html_image.php
index 4ba67247..11c31cca 100644
--- a/public_html/includes/class/class.LSattr_html_image.php
+++ b/public_html/includes/class/class.LSattr_html_image.php
@@ -37,7 +37,7 @@ class LSattr_html_image extends LSattr_html {
    * @retval LSformElement L'element du formulaire ajouté
    */
   function addToForm (&$form,$idForm,$data=NULL) {
-    $element=$form -> addElement('image', $this -> name, $this -> config['label'],$this -> config, $this);
+    $element=$form -> addElement('image', $this -> name, $this -> getLabel(), $this -> config, $this);
     if(!$element) {
       LSerror :: addErrorCode('LSform_06',$this -> name);
       return;
diff --git a/public_html/includes/class/class.LSattr_html_maildir.php b/public_html/includes/class/class.LSattr_html_maildir.php
index f8e1d639..a004d08b 100644
--- a/public_html/includes/class/class.LSattr_html_maildir.php
+++ b/public_html/includes/class/class.LSattr_html_maildir.php
@@ -76,9 +76,10 @@ class LSattr_html_maildir extends LSattr_html {
   }
   
   public function deleteMaildirByFTP() {
-    if ($this -> config['html_options']['archiveNameFormat']) {
+    $archiveNameFormat = $this -> getConfig('html_options.archiveNameFormat');
+    if ($archiveNameFormat) {
       LSdebug('LSformElement_maildir : archive');
-      $newname=getFData($this -> config['html_options']['archiveNameFormat'],$this -> _toDo['old']);
+      $newname = getFData($archiveNameFormat, $this -> _toDo['old']);
       if ($newname) {
         if (renameMaildirByFTP($this -> _toDo['old'],$newname)) {
           LSsession :: addInfo(_("The mailbox has been archived successfully."));
@@ -112,9 +113,10 @@ class LSattr_html_maildir extends LSattr_html {
       $val = $this -> attribute -> getValue();
       $val=$val[0];
     }
-    if ($this -> config['html_options']['remoteRootPathRegex']) {
+    $remoteRootPathRegex = $this -> getConfig('html_options.remoteRootPathRegex');
+    if ($remoteRootPathRegex) {
       if (
-        preg_match($this -> config['html_options']['remoteRootPathRegex'],$val,$r)
+        preg_match($remoteRootPathRegex, $val, $r)
         ||
         empty($val)
       )
diff --git a/public_html/includes/class/class.LSattr_html_password.php b/public_html/includes/class/class.LSattr_html_password.php
index c1ffdbea..2a23194c 100644
--- a/public_html/includes/class/class.LSattr_html_password.php
+++ b/public_html/includes/class/class.LSattr_html_password.php
@@ -37,7 +37,7 @@ class LSattr_html_password extends LSattr_html {
    * @retval LSformElement L'element du formulaire ajouté
    */ 
   function addToForm (&$form,$idForm,$data=NULL) {
-    $element=$form -> addElement('password', $this -> name, $this -> config['label'], $this -> config, $this);
+    $element=$form -> addElement('password', $this -> name, $this -> getLabel(), $this -> config, $this);
     if(!$element) {
       LSerror :: addErrorCode('LSform_06',$this -> name);
       return;
diff --git a/public_html/includes/class/class.LSattr_html_select_list.php b/public_html/includes/class/class.LSattr_html_select_list.php
index 4fdeb10f..68eb9833 100644
--- a/public_html/includes/class/class.LSattr_html_select_list.php
+++ b/public_html/includes/class/class.LSattr_html_select_list.php
@@ -82,7 +82,7 @@ class LSattr_html_select_list extends LSattr_html{
     if (!$name) $name=$this -> name;
     if (!$ldapObject) $ldapObject=$this->attribute->ldapObject;
     $retInfos = array();
-    if (is_array($options['possible_values'])) {
+    if (isset($options['possible_values']) && is_array($options['possible_values'])) {
       foreach($options['possible_values'] as $val_key => $val_label) {
         if($val_key==='OTHER_OBJECT') {
           $objInfos=self :: getLSobjectPossibleValues($val_label,$options,$name);
diff --git a/public_html/includes/class/class.LSattr_html_select_object.php b/public_html/includes/class/class.LSattr_html_select_object.php
index 5d9c33ac..148b327a 100644
--- a/public_html/includes/class/class.LSattr_html_select_object.php
+++ b/public_html/includes/class/class.LSattr_html_select_object.php
@@ -40,7 +40,7 @@ class LSattr_html_select_object extends LSattr_html{
    */
   function addToForm (&$form,$idForm,$data=NULL) {
     $this -> config['attrObject'] = $this;
-    $element=$form -> addElement('select_object', $this -> name, $this -> config['label'],$this -> config,$this);
+    $element=$form -> addElement('select_object', $this -> name, $this -> getLabel(), $this -> config, $this);
     if(!$element) {
       LSerror :: addErrorCode('LSform_06',$this -> name);
       return;
@@ -54,7 +54,7 @@ class LSattr_html_select_object extends LSattr_html{
         $element -> setValue($values);
       }
     }
-    $element -> setSelectableObject($this -> config['html_options']['selectable_object']['object_type']);
+    $element -> setSelectableObject($this -> getConfig('html_options.selectable_object.object_type'));
     return $element;
   }
 
@@ -82,41 +82,45 @@ class LSattr_html_select_object extends LSattr_html{
    * @retval array  Tableau des valeurs de l'attribut
    */ 
   function getValuesFromFormValues($values=NULL) {
-    $retValues = array();
-    if (isset($this -> config['html_options']['selectable_object'])) {
-      $conf=$this -> config['html_options']['selectable_object'];
+    $conf = $this -> getConfig('html_options.selectable_object');
+    if (is_array($conf) && is_array($values)) {
+      $retValues = array();
       if (!isset($conf['object_type'])) {
         LSerror :: addErrorCode('LSattr_html_select_object_01',$this -> name);
         return;
       }
+
+      if (!isset($conf['value_attribute'])) {
+        LSerror :: addErrorCode('LSattr_html_select_object_02',$this -> name);
+        return;
+      }
       
       if (!LSsession :: loadLSobject($conf['object_type'])) {
         return;
       }
-      
-      if (is_array($values)) {
-        $obj=new $conf['object_type']();
-        foreach($values as $dn => $name) {
-          if ($obj -> loadData($dn)) {
-            if(($conf['value_attribute']=='dn')||($conf['value_attribute']=='%{dn}')) {
-              $val = $dn;
-            }
-            elseif (!isset($obj->attrs[$conf['value_attribute']])) {
+
+      $obj=new $conf['object_type']();
+      foreach($values as $dn => $name) {
+        if ($obj -> loadData($dn)) {
+          $val = '';
+          if(($conf['value_attribute']=='dn')||($conf['value_attribute']=='%{dn}')) {
+            $val = $dn;
+          }
+          else {
+            if (!isset($obj->attrs[$conf['value_attribute']])) {
               LSerror :: addErrorCode('LSattr_html_select_object_02',$this -> name);
               return;
             }
-            else {
-              $val = $obj -> getValue($conf['value_attribute']);
-              $val = $val[0];
-            }
-            if (empty($val)) {
-              continue;
-            }
-            $retValues[]=$val;
+            $val = $obj -> getValue($conf['value_attribute']);
+            $val = $val[0];
           }
+          if (empty($val)) {
+            continue;
+          }
+          $retValues[] = $val;
         }
-        return $retValues;
       }
+      return $retValues;
     }
     return;
   }
@@ -132,64 +136,65 @@ class LSattr_html_select_object extends LSattr_html{
    * @retval array Tableau associatif des objects selectionés avec en clé
    *               le DN et en valeur ce qui sera affiché.
    */ 
-  function getFormValues($values=NULL,$fromDNs=false) {
-    $retInfos = array();
-    $DNs=array();
-    if (isset($this -> config['html_options']['selectable_object'])) {
-      $conf=$this -> config['html_options']['selectable_object'];
+  function getFormValues($values=NULL, $fromDNs=false) {
+    $conf = $this -> getConfig('html_options.selectable_object');
+    if (is_array($conf) && is_array($values)) {
       if (!isset($conf['object_type'])) {
         LSerror :: addErrorCode('LSattr_html_select_object_01',$this -> name);
         return;
       }
+
+      if (!isset($conf['value_attribute'])) {
+        LSerror :: addErrorCode('LSattr_html_select_object_02',$this -> name);
+        return;
+      }
       
       if (!LSsession :: loadLSobject($conf['object_type'])) {
         return;
       }
       
-      if (is_array($values)) {
-        $obj = new $conf['object_type']();
-        if(($conf['value_attribute']=='dn')||($conf['value_attribute']=='%{dn}')||$fromDNs) {
-          $DNs=$values;
-          foreach($DNs as $dn) {
-            if($obj -> loadData($dn)) {
-              $retInfos[$dn] = $obj -> getDisplayName($conf['display_name_format']);
-            }
+      $retInfos = array();
+      $DNs=array();
+
+      $obj = new $conf['object_type']();
+      if(($conf['value_attribute']=='dn')||($conf['value_attribute']=='%{dn}')||$fromDNs) {
+        $DNs=$values;
+        foreach($DNs as $dn) {
+          if($obj -> loadData($dn)) {
+            $retInfos[$dn] = $obj -> getDisplayName($conf['display_name_format']);
           }
         }
-        else {
-          if (!isset($conf['value_attribute']) || (!is_array(LSconfig::get('LSobjects.'.$conf['object_type'].'.attrs.'.$conf['value_attribute'])))) {
-            LSerror :: addErrorCode('LSattr_html_select_object_02',$this -> name);
-            return;
-          }
-          $unrecognizedValues=array();
-          foreach($values as $val) {
-            if (!empty($val)) {
-              $filter=Net_LDAP2_Filter::create($conf['value_attribute'],'equals',$val);
-              if (isset($conf['filter'])) $filter = LSldap::combineFilters('and',array($filter,$conf['filter']));
-              $sparams=array();
-              $sparams['onlyAccessible'] = (isset($conf['onlyAccessible'])?$conf['onlyAccessible']:False);
-              $listobj = $obj -> listObjectsName($filter,NULL,$sparams,$conf['display_name_format']);
-              if (count($listobj)==1) {
-		foreach($listobj as $dn => $name) {
-                  $DNs[]=$dn;
-                  $retInfos[$dn] = $name;
-                }
-              }
-              else {
-                $unrecognizedValues[]=$val;
-                if(count($listobj)>1) {
-                  LSerror :: addErrorCode('LSattr_html_select_object_03',array('val' => $val, 'attribute' => $this -> name));
-                }
-              }
-            }
-          }
-          $this -> unrecognizedValues=$unrecognizedValues;
-        }
       }
       else {
-        return false;
+        if (!is_array(LSconfig::get('LSobjects.'.$conf['object_type'].'.attrs.'.$conf['value_attribute']))) {
+          LSerror :: addErrorCode('LSattr_html_select_object_02', $this -> name);
+          return;
+        }
+        $unrecognizedValues=array();
+        foreach($values as $val) {
+          if (!empty($val)) {
+            $filter=Net_LDAP2_Filter::create($conf['value_attribute'],'equals',$val);
+            if (isset($conf['filter'])) $filter = LSldap::combineFilters('and',array($filter,$conf['filter']));
+            $sparams=array();
+            $sparams['onlyAccessible'] = (isset($conf['onlyAccessible'])?$conf['onlyAccessible']:False);
+            $listobj = $obj -> listObjectsName($filter, NULL, $sparams, (isset($conf['display_name_format'])?$conf['display_name_format']:false));
+            if (count($listobj)==1) {
+              foreach($listobj as $dn => $name) {
+                $DNs[]=$dn;
+                $retInfos[$dn] = $name;
+              }
+            }
+            else {
+              $unrecognizedValues[]=$val;
+              if(count($listobj)>1) {
+                LSerror :: addErrorCode('LSattr_html_select_object_03',array('val' => $val, 'attribute' => $this -> name));
+              }
+            }
+          }
+        }
+        $this -> unrecognizedValues=$unrecognizedValues;
       }
-      $_SESSION['LSselect'][$conf['object_type']]=$DNs;
+      $_SESSION['LSselect'][$conf['object_type']] = $DNs;
       return $retInfos;
     }
     return false;
@@ -205,8 +210,9 @@ class LSattr_html_select_object extends LSattr_html{
    *               le DN et en valeur ce qui sera affiché.
    */
   function getValuesFromSession() {
-    if(is_array($_SESSION['LSselect'][$this -> config['html_options']['selectable_object']['object_type']])) {
-      return $this -> getFormValues($_SESSION['LSselect'][$this -> config['html_options']['selectable_object']['object_type']],true);
+    $obj_type = $this -> getConfig('html_options.selectable_object.object_type');
+    if ( $obj_type && is_array($_SESSION['LSselect'][$obj_type]) ) {
+      return $this -> getFormValues($_SESSION['LSselect'][$obj_type], true);
     }
     return false;
   }
diff --git a/public_html/includes/class/class.LSattr_ldap.php b/public_html/includes/class/class.LSattr_ldap.php
index f4069bdf..9e84b83c 100644
--- a/public_html/includes/class/class.LSattr_ldap.php
+++ b/public_html/includes/class/class.LSattr_ldap.php
@@ -88,6 +88,19 @@ class LSattr_ldap {
     }
     return;
   }
+
+  /**
+   * Return a configuration parameter (or default value)
+   *
+   * @param[] $param	The configuration parameter
+   * @param[] $default	The default value (default : null)
+   * @param[] $cast	Cast resulting value in specific type (default : disabled)
+   *
+   * @retval mixed The configuration parameter value or default value if not set
+   **/
+  public function getConfig($param, $default=null, $cast=null) {
+    return LSconfig :: get($param, $default, $cast, $this -> config);
+  }
+
 }
 
-?>
diff --git a/public_html/includes/class/class.LSattr_ldap_boolean.php b/public_html/includes/class/class.LSattr_ldap_boolean.php
index 857a4303..e9184fe0 100644
--- a/public_html/includes/class/class.LSattr_ldap_boolean.php
+++ b/public_html/includes/class/class.LSattr_ldap_boolean.php
@@ -97,12 +97,7 @@ class LSattr_ldap_boolean extends LSattr_ldap {
    * @retval string The True value
    **/
   function getTrue() {
-    if (isset($this -> config['ldap_options']['true_value'])) {
-      return $this -> config['ldap_options']['true_value'];
-    }
-    else {
-      return 'TRUE';
-    }
+    return $this -> getConfig('ldap_options.true_value', 'TRUE', 'string');
   }
 
   /**
@@ -111,13 +106,9 @@ class LSattr_ldap_boolean extends LSattr_ldap {
    * @retval string The False value
    **/
   function getFalse() {
-    if (isset($this -> config['ldap_options']['false_value'])) {
-      return $this -> config['ldap_options']['false_value'];
-    }
-    else {
-      return 'FALSE';
-    }
+    return $this -> getConfig('ldap_options.false_value', 'FALSE', 'string');
   }
+
 }
 
 ?>
diff --git a/public_html/includes/class/class.LSattr_ldap_date.php b/public_html/includes/class/class.LSattr_ldap_date.php
index c9a82938..e7dba216 100644
--- a/public_html/includes/class/class.LSattr_ldap_date.php
+++ b/public_html/includes/class/class.LSattr_ldap_date.php
@@ -37,7 +37,7 @@ class LSattr_ldap_date extends LSattr_ldap {
     if(!is_array($data)) {
       $data=array($data);
     }
-    if ($this -> config['ldap_options']['timestamp']==1) {
+    if ($this -> getConfig('ldap_options.timestamp', false, 'bool')) {
       return $data;
     }
     $retval=array();
@@ -58,7 +58,7 @@ class LSattr_ldap_date extends LSattr_ldap {
    * @retval mixed La valeur traitée de l'attribut
    */
   function getUpdateData($data) {
-    if ($this -> config['ldap_options']['timestamp']==1) {
+    if ($this -> getConfig('ldap_options.timestamp', false, 'bool')) {
       return $data;
     }
     $retval=array();
@@ -76,13 +76,9 @@ class LSattr_ldap_date extends LSattr_ldap {
   * @retval string Le format de la date
   **/
   function getFormat() {
-    if (isset($this -> config['ldap_options']['format'])) {
-      return $this -> config['ldap_options']['format'];
-    }
-    else {
-      return "%Y%m%d%H%M%SZ";
-    }
+    return $this -> getConfig('ldap_options.format', '%Y%m%d%H%M%SZ');
   }
+
 }
 
 ?>
diff --git a/public_html/includes/class/class.LSattr_ldap_password.php b/public_html/includes/class/class.LSattr_ldap_password.php
index ae140761..6ac83921 100644
--- a/public_html/includes/class/class.LSattr_ldap_password.php
+++ b/public_html/includes/class/class.LSattr_ldap_password.php
@@ -36,11 +36,13 @@ class LSattr_ldap_password extends LSattr_ldap {
    * @retval mixed The display value of this attribute
    */
   function getDisplayValue($data) {
-    if ($this -> config['ldap_options']['displayClearValue']) {
+    if ($this -> getConfig('ldap_options.displayClearValue', false, 'bool')) {
       if (is_array($data)) {
         $ret=array();
+        $wildcardPassword = $this -> getConfig('ldap_options.wildcardPassword');
+        $encodedWildcardPassword = $this -> getConfig('ldap_options.encodedWildcardPassword');
         foreach($data as $p) {
-          if ($p==$this -> config['ldap_options']['wildcardPassword'] || $p==$this -> config['ldap_options']['encodedWildcardPassword']) {
+          if ($p == $wildcardPassword || $p == $encodedWildcardPassword) {
             continue;
           }
           $ret[]=$p;
@@ -73,24 +75,26 @@ class LSattr_ldap_password extends LSattr_ldap {
     $data[]=$this -> encodePassword($this -> clearPassword);
 
     // Wildcard Password
-    if (isset($this -> config['ldap_options']['wildcardPassword'])) {
-      if(!is_array($this -> config['ldap_options']['wildcardPassword'])) {
-        $data[]=$this -> encodePassword($this -> config['ldap_options']['wildcardPassword']);
+    $wildcardPassword = $this -> getConfig('ldap_options.wildcardPassword');
+    if ($wildcardPassword) {
+      if (!is_array($wildcardPassword)) {
+        $data[] = $this -> encodePassword($wildcardPassword);
       }
       else {
-        foreach($this -> config['ldap_options']['wildcardPassword'] as $pwd) {
-          $data[]=$this -> encodePassword($pwd);
+        foreach($wildcardPassword as $pwd) {
+          $data[] = $this -> encodePassword($pwd);
         }
       }
     }
 
     // Wildcard Password already encoded
-    if (isset($this -> config['ldap_options']['encodedWildcardPassword'])) {
-      if(!is_array($this -> config['ldap_options']['encodedWildcardPassword'])) {
-        $data[]=$this -> config['ldap_options']['encodedWildcardPassword'];
+    $encodedWildcardPassword = $this -> getConfig('ldap_options.encodedWildcardPassword');
+    if ($encodedWildcardPassword) {
+      if (!is_array($encodedWildcardPassword)) {
+        $data[] = $encodedWildcardPassword;
       }
       else {
-        $data=array_merge($data,$this -> config['ldap_options']['encodedWildcardPassword']);
+        $data = array_merge($data, $encodedWildcardPassword);
       }
     }
 
@@ -108,21 +112,21 @@ class LSattr_ldap_password extends LSattr_ldap {
    * @retval strinf The encode password
    */
   function encodePassword($clearPassword) {
-    if (isset($this -> config['ldap_options']['encode_function']) || $this -> config['ldap_options']['encode']=='function') {
-      if (!is_callable($this -> config['ldap_options']['encode_function'])) {
-        $this -> config['ldap_options']['encode'] = 'clear';
-        LSerror :: addErrorCode('LSattr_ldap_password_02',$this -> config['ldap_options']['encode_function']);
+    $encode = $this -> getConfig('ldap_options.encode', 'md5crypt', 'string');
+    $encode_function = $this -> getConfig('ldap_options.encode_function');
+    if ($encode_function || $encode == 'function') {
+      if ( (!$encode_function) || (!is_callable($encode_function)) ) {
+        $encode = 'clear';
+        $encode_function = null;
+        LSerror :: addErrorCode('LSattr_ldap_password_02', ($encode_function?$encode_function:__('undefined')));
       }
       else {
-        $this -> config['ldap_options']['encode'] = 'function';
+        $encode = 'function';
       }
     }
-    elseif (!$this -> config['ldap_options']['encode']) {
-      $this -> config['ldap_options']['encode'] = 'md5crypt';
-    }
-    switch($this -> config['ldap_options']['encode']) {
+    switch($encode) {
       case 'crypt':
-        if ($this -> config['ldap_options']['no_random_crypt_salt']) {
+        if ($this -> getConfig('ldap_options.no_random_crypt_salt')) {
           return '{CRYPT}' . crypt($clearPassword,substr($clearPassword,0,2));
         }
         else {
@@ -157,7 +161,7 @@ class LSattr_ldap_password extends LSattr_ldap {
         break;
       case 'sha256':
       case 'sha512':
-        switch($this -> config['ldap_options']['encode']) {
+        switch($encode) {
           case 'sha256':
             $mhash_type = MHASH_SHA256;
             break;
@@ -166,15 +170,15 @@ class LSattr_ldap_password extends LSattr_ldap {
             break;
         }
         if( function_exists( 'mhash' ) ) {
-          return '{'.strtoupper($this -> config['ldap_options']['encode']).'}' . base64_encode( mhash( $mhash_type, $clearPassword ) );
+          return '{'.strtoupper($encode).'}' . base64_encode( mhash( $mhash_type, $clearPassword ) );
         } else {
-          LSerror :: addErrorCode('LSattr_ldap_password_01', $this -> config['ldap_options']['encode']);
+          LSerror :: addErrorCode('LSattr_ldap_password_01', $encode);
         }
         break;
       case 'ssha':
       case 'ssha256':
       case 'ssha512':
-        switch($this -> config['ldap_options']['encode']) {
+        switch($encode) {
           case 'ssha':
             $mhash_type = MHASH_SHA1;
             break;
@@ -188,10 +192,10 @@ class LSattr_ldap_password extends LSattr_ldap {
         if( function_exists( 'mhash' ) && function_exists( 'mhash_keygen_s2k' ) ) {
           mt_srand( (double) microtime() * 1000000 );
           $salt = mhash_keygen_s2k( $mhash_type, $clearPassword, substr( pack( "h*", md5( mt_rand() ) ), 0, 8 ), 4 );
-          return "{".strtoupper($this -> config['ldap_options']['encode'])."}".base64_encode( mhash( $mhash_type, $clearPassword.$salt ).$salt );
+          return "{".strtoupper($encode)."}".base64_encode( mhash( $mhash_type, $clearPassword.$salt ).$salt );
         }
         else {
-          LSerror :: addErrorCode('LSattr_ldap_password_01', $this -> config['ldap_options']['encode']);
+          LSerror :: addErrorCode('LSattr_ldap_password_01', $encode);
         }
         break;
       case 'smd5':
@@ -219,10 +223,10 @@ class LSattr_ldap_password extends LSattr_ldap {
         return $clearPassword;
         break;
       case 'function':
-        return call_user_func_array($this -> config['ldap_options']['encode_function'], array(&$this -> attribute -> ldapObject, $clearPassword));
+        return call_user_func_array($encode_function, array(&$this -> attribute -> ldapObject, $clearPassword));
         break;
     }
-    LSerror :: addErrorCode('LSattr_ldap_password_01',$this -> config['ldap_options']['encode']);
+    LSerror :: addErrorCode('LSattr_ldap_password_01', $encode);
     return $clearPassword;
   }
  
diff --git a/public_html/includes/class/class.LSattribute.php b/public_html/includes/class/class.LSattribute.php
index 63ad1850..6eb401a6 100644
--- a/public_html/includes/class/class.LSattribute.php
+++ b/public_html/includes/class/class.LSattribute.php
@@ -179,29 +179,21 @@ class LSattribute {
       $data = $this -> ldap -> getDisplayValue($this -> data);
     }
 
-    if (isset($this -> config['onDisplay'])) {
-      if (is_array($this -> config['onDisplay'])) {
-        $result=$data;
-        foreach($this -> config['onDisplay'] as $func) {
-          if (function_exists($func)) {
-            $result=call_user_func($func, $result);
-          }
-          else {
-            LSerror :: addErrorCode('LSattribute_02',array('attr' => $this->name,'func' => $func));
-            return;
-          }
-        }
-        return $result;
-      }
-      else {
-        if (function_exists($this -> config['onDisplay'])) {
-          return $this -> config['onDisplay']($data);
+    $onDisplay = $this -> getConfig('onDisplay');
+    if ($onDisplay) {
+      if (!is_array($onDisplay))
+        $onDisplay = array($onDisplay);
+      $result = $data;
+      foreach($onDisplay as $func) {
+        if (function_exists($func)) {
+          $result = call_user_func($func, $result);
         }
         else {
-          LSerror :: addErrorCode('LSattribute_02',array('attr' => $this->name,'func' => $this -> config['onDisplay']));
+          LSerror :: addErrorCode('LSattribute_02', array('attr' => $this->name, 'func' => $func));
           return;
         }
       }
+      return $result;
     }
     return $data;
   }
@@ -222,7 +214,7 @@ class LSattribute {
    * @retval boolean true si l'ajout a fonctionner ou qu'il n'est pas nécessaire, false sinon
    */
   function addToForm(&$form,$idForm,&$obj=NULL,$value=NULL) {
-    if(isset($this -> config['form'][$idForm])) {
+    if($this -> getConfig("form.$idForm")) {
       if (!$this -> html) {
         LSerror :: addErrorCode('LSattribute_09',array('type' => 'html','name' => $this -> name));
         return;
@@ -234,13 +226,13 @@ class LSattribute {
         $data = $value;
       }
       else if($this -> data !='') {
-        $data=$this -> getFormVal();
+        $data = $this -> getFormVal();
       }
-      else if (isset($this -> config['default_value'])) {
-        $data=$obj -> getFData($this -> config['default_value']);
+      else if ($this -> getConfig('default_value')) {
+        $data = $obj -> getFData($this -> getConfig('default_value'));
       }
       else {
-        $data=NULL;
+        $data = NULL;
       }
       
       $element = $this -> html -> addToForm($form,$idForm,$data);
@@ -248,35 +240,34 @@ class LSattribute {
         LSerror :: addErrorCode('LSform_06',$this -> name);
       }
 
-      if(isset($this -> config['required']) && $this -> config['required']==1) {
+      if($this -> getConfig('required')) {
         $form -> setRequired($this -> name);
       }
 
-      if (($this -> config['form'][$idForm]==0) || ($this -> myRights() == 'r')) {
+      if ( ($this -> getConfig("form.$idForm")==0) || ($this -> myRights() == 'r') ) {
         $element -> freeze();
       }
       else {
-        if(isset($this -> config['check_data'])) {
-          if(is_array($this -> config['check_data'])) {
-            foreach ($this -> config['check_data'] as $rule => $rule_infos) {
-              if((!$form -> isRuleRegistered($rule))&&($rule!='')) {
-                LSerror :: addErrorCode('LSattribute_03',array('attr' => $this->name,'rule' => $rule));
-                return;
-              }
-              if(!isset($rule_infos['msg'])) {
-                $rule_infos['msg']=getFData(_('The value of field %{label} is invalid.'),$this -> getLabel());
-              }
-              else {
-                $rule_infos['msg']=__($rule_infos['msg']);
-              }
-              if(!isset($rule_infos['params']))
-                $rule_infos['params']=NULL;
-              $form -> addRule($this -> name,$rule,array('msg' => $rule_infos['msg'], 'params' => $rule_infos['params']));
+        $check_data = $this -> getConfig('check_data', array());
+        if(is_array($check_data)) {
+          foreach ($check_data as $rule => $rule_infos) {
+            if((!$form -> isRuleRegistered($rule))&&($rule!='')) {
+              LSerror :: addErrorCode('LSattribute_03',array('attr' => $this->name,'rule' => $rule));
+              return;
             }
+            if(!isset($rule_infos['msg'])) {
+              $rule_infos['msg']=getFData(_('The value of field %{label} is invalid.'),$this -> getLabel());
+            }
+            else {
+              $rule_infos['msg']=__($rule_infos['msg']);
+            }
+            if(!isset($rule_infos['params']))
+              $rule_infos['params']=NULL;
+            $form -> addRule($this -> name,$rule,array('msg' => $rule_infos['msg'], 'params' => $rule_infos['params']));
           }
-          else {
-            LSerror :: addErrorCode('LSattribute_04',$this->name);
-          }
+        }
+        else {
+          LSerror :: addErrorCode('LSattribute_04',$this->name);
         }
       } 
     }
@@ -296,29 +287,10 @@ class LSattribute {
     $return='n';
     $whoami = $this -> ldapObject -> whoami();
     foreach($whoami as $who) {
-      switch ($who) {
-        case 'admin':
-          if($this -> config['rights']['admin']=='w') {
-            $return='w';
-            break;
-          }
-          else {
-            $return='r';
-          }
-          break;
-        default:
-          if (!isset($this -> config['rights'][$who])) break;
-          if ($this -> config['rights'][$who] == 'w') {
-            $return='w';
-            break;
-          }
-          else if($this -> config['rights'][$who] == 'r') {
-            $return='r';
-          }
-          break;
-      }
-      if ($return=='w') {
-        break;
+      $right = $this -> getConfig("rights.$who", ($who=='admin'?'r':null));
+      if (in_array($right, array('r', 'w'))) {
+        $return = $right;
+        if ($return == 'w') break;
       }
     }
     $this -> _myRights = $return;
@@ -337,7 +309,7 @@ class LSattribute {
    * @retval boolean true si l'ajout a fonctionner ou qu'il n'est pas nécessaire, false sinon
    */
   function addToView(&$form) {
-    if((isset($this -> config['view'])) && ($this -> config['view']) && ($this -> myRights() != 'n') ) {
+    if ($this -> getConfig('view', false, 'bool') && ($this -> myRights() != 'n') ) {
       if (!$this -> html) {
         LSerror :: addErrorCode('LSattribute_09',array('type' => 'html','name' => $this -> name));
         return;
@@ -370,7 +342,7 @@ class LSattribute {
    * @retval boolean true si la valeur a été rafraichie ou que ce n'est pas nécessaire, false sinon
    */
   function refreshForm(&$form,$idForm) {
-    if(isset($this -> config['form'][$idForm])&&($this -> myRights()!='n')) {
+    if ($this -> getConfig("form.$idForm") && ($this -> myRights() != 'n')) {
       if (!$this -> html) {
         LSerror :: addErrorCode('LSattribute_09',array('type' => 'html','name' => $this -> name));
         return;
@@ -461,7 +433,7 @@ class LSattribute {
    * @retval boolean true si l'attribut est obligatoire, false sinon
    */
   function isRequired() {
-    return (isset($this -> config['required'])?(bool)$this -> config['required']:false);
+    return $this -> getConfig('required', false, 'bool');
   }
   
   /**
@@ -472,15 +444,14 @@ class LSattribute {
    * @retval boolean true si la valeur de l'attribut peut être générée, false sinon
    */
   function canBeGenerated() {
+    $format = $this -> getConfig('generate_value_format', $this -> getConfig('default_value'));
     return (
-              (function_exists($this -> config['generate_function']))
-              ||
-              (isset($this -> config['generate_value_format']))
+              (function_exists($this -> getConfig('generate_function')))
               ||
               (
-                (is_string($this -> config['default_value']))
+                (is_string($format))
                 &&
-                (strlen($this -> config['default_value'])>0)
+                (strlen($format) > 0)
               )
            );
   }
@@ -493,17 +464,16 @@ class LSattribute {
    * @retval boolean true si la valeur à put être générée, false sinon
    */
   function generateValue() {
-    $value=false;
-    if (function_exists($this -> config['generate_function'])) {
-      $value=call_user_func_array($this -> config['generate_function'],array(&$this -> ldapObject));
+    $value = false;
+    $generate_function = $this -> getConfig('generate_function');
+    $format = $this -> getConfig('generate_value_format', $this -> getConfig('default_value'));
+    if ($generate_function && function_exists($generate_function)) {
+      $value = call_user_func_array($generate_function, array(&$this -> ldapObject));
     }
-    else if (isset($this -> config['generate_value_format'])) {
-      $value = $this -> ldapObject -> getFData($this -> config['generate_value_format']);
+    else if ($format) {
+      $value = $this -> ldapObject -> getFData($format);
     }
-    else if (is_string($this -> config['default_value']) && strlen($this -> config['default_value'])>0) {
-      $value = $this -> ldapObject -> getFData($this -> config['default_value']);
-    }
-    if ($value!==false) {
+    if ($value !== false) {
       if (!empty($value)) {
         if (!is_array($value)) {
           $value=array($value);
@@ -721,6 +691,19 @@ class LSattribute {
     
     return $return;
   }
+
+  /**
+   * Return a configuration parameter (or default value)
+   *
+   * @param[] $param	The configuration parameter
+   * @param[] $default	The default value (default : null)
+   * @param[] $cast	Cast resulting value in specific type (default : disabled)
+   *
+   * @retval mixed The configuration parameter value or default value if not set
+   **/
+  public function getConfig($param, $default=null, $cast=null) {
+    return LSconfig :: get($param, $default, $cast, $this -> config);
+  }
   
 }
 
diff --git a/public_html/includes/class/class.LSconfig.php b/public_html/includes/class/class.LSconfig.php
index 5d6b8700..a37890b0 100644
--- a/public_html/includes/class/class.LSconfig.php
+++ b/public_html/includes/class/class.LSconfig.php
@@ -60,17 +60,31 @@ class LSconfig {
   * 
   * @retval mixed La valeur de la variable, ou false si son nom n'est parsable
   **/
-  public static function get($var) {
-    $vars=explode('.',$var);
-    if(is_array($vars)) {
-      $data=self :: $data;
+  public static function get($var, $default=null, $cast=null, $data=null) {
+    $vars = explode('.', $var);
+    $value = $default;
+    if (is_array($vars)) {
+      $value = (is_array($data)?$data:self :: $data);
       foreach ($vars as $v) {
-        if (!isset($data[$v])) return;
-        $data=$data[$v];
+        if (!is_array($value) || !isset($value[$v])) {
+          $value = $default;
+          break;
+        }
+        $value = $value[$v];
       }
-      return $data;
     }
-    return;
+    switch($cast) {
+      case 'bool':
+        return boolval($value);
+      case 'int':
+        return intval($value);
+      case 'float':
+        return floatval($value);
+      case 'string':
+        return strval($value);
+      default:
+        return $value;
+    }
   }
 
  /**
diff --git a/public_html/includes/class/class.LSformElement.php b/public_html/includes/class/class.LSformElement.php
index baca7cca..1f01cc03 100644
--- a/public_html/includes/class/class.LSformElement.php
+++ b/public_html/includes/class/class.LSformElement.php
@@ -189,16 +189,15 @@ class LSformElement {
         $return['required']=true;
     }
     $return['label'] = $this -> getLabel();
-    $help_info = "";
-    if ( (isset($this -> params['displayAttrName']) && $this -> params['displayAttrName']) || (isset($this -> attr_html -> attribute -> ldapObject -> config['displayAttrName']) && $this -> attr_html -> attribute -> ldapObject -> config['displayAttrName']) ) {
-      $help_info=_("Attribute")." : ".$this -> name."\n";
+    $help_infos = array();
+    if ( $this -> getParam('displayAttrName', $this -> attr_html -> attribute -> ldapObject -> getConfig('displayAttrName', false, 'bool'), 'bool') ) {
+      $help_infos[] = _("Attribute")." : ".$this -> name."\n";
     }
-    if (isset($this -> params['help_info'])) {
-      if (!empty($help_info)) $help_info .= " - ";
-      $help_info.=__($this -> params['help_info']);
+    if ($this -> getParam('help_info')) {
+      $help_infos[] = __($this -> getParam('help_info'));
     }
-    if (!empty($help_info))
-      $return['help_info'] = $help_info;
+    if (!empty($help_infos))
+      $return['help_info'] = implode(' - ', $help_infos);
 
     return $return;
   }
@@ -246,12 +245,7 @@ class LSformElement {
     if ($this -> label != "") {
       return __($this -> label);
     }
-    else if ($this -> params['label']) {
-      return __($this -> params['label']);
-    }
-    else {
-      return __($this -> name);
-    }
+    return __($this -> getParam('label', $this -> name));
   }
 
   /**
@@ -260,7 +254,7 @@ class LSformElement {
    * @retval boolean True si le champ est à valeur multiple, False sinon
    */
   function isMultiple() {
-    return ( (isset($this -> params['multiple']))?($this -> params['multiple'] == true):false );
+    return $this -> getParam('multiple', false, 'bool');
   }
   
  /**
@@ -286,7 +280,7 @@ class LSformElement {
           'value' => '',
           'values' => $this -> values,
           'attr_name' => $this -> name,
-          'noValueTxt' => ( (isset($this -> params['no_value_label']))? __($this -> params['no_value_label']):_('No set value') ),
+          'noValueTxt' => __($this -> getParam('no_value_label', 'No set value', 'string')),
           'fieldTemplate' => $this -> fieldTemplate,
           'fieldType' => get_class($this)
         )
@@ -302,6 +296,19 @@ class LSformElement {
   function getEmptyField() {
     return $this -> fetchTemplate($this -> fieldTemplate);
   }
+
+ /**
+  * Return a parameter (or default value)
+  *
+  * @param[] $param	The parameter
+  * @param[] $default	The default value (default : null)
+  * @param[] $cast	Cast resulting value in specific type (default : disabled)
+  *
+  * @retval mixed The parameter value or default value if not set
+  **/
+  public function getParam($param, $default=null, $cast=null) {
+    return LSconfig :: get($param, $default, $cast, $this -> params);
+  }
 }
 
 ?>
diff --git a/public_html/includes/class/class.LSformElement_boolean.php b/public_html/includes/class/class.LSformElement_boolean.php
index b15e0cc0..530fbc53 100644
--- a/public_html/includes/class/class.LSformElement_boolean.php
+++ b/public_html/includes/class/class.LSformElement_boolean.php
@@ -57,13 +57,11 @@ class LSformElement_boolean extends LSformElement {
     $return['html'] = $this -> fetchTemplate(
       NULL,
       array(
-        'yesTxt' => (isset($this -> params['html_options']['true_label']) && !empty($this -> params['html_options']['true_label']))?__($this -> params['html_options']['true_label']):_('Yes'),
-        'noTxt' => (isset($this -> params['html_options']['false_label']) && !empty($this -> params['html_options']['false_label']))?__($this -> params['html_options']['false_label']):_('No'),
+        'yesTxt' => __($this -> getParam('html_options.true_label', 'Yes')),
+        'noTxt' => __($this -> getParam('html_options.false_label', 'No')),
       )
     );
     return $return;
   }
 
 }
-
-?>
diff --git a/public_html/includes/class/class.LSformElement_date.php b/public_html/includes/class/class.LSformElement_date.php
index 00db2bae..7c87dffa 100644
--- a/public_html/includes/class/class.LSformElement_date.php
+++ b/public_html/includes/class/class.LSformElement_date.php
@@ -115,15 +115,7 @@ class LSformElement_date extends LSformElement {
   * @retval string Le format de la date
   **/
   function getFormat() {
-    if (isset($this -> params['html_options']['format'])) {
-      return $this -> params['html_options']['format'];
-    }
-    else {
-      if (isset($this -> params['html_options']['time']) && !$this -> params['html_options']['time']) {
-        return '%d/%m/%Y';
-      }
-      return "%d/%m/%Y, %T";
-    }
+    return $this -> getParam('html_options.format', ($this -> getParam('html_options.time', true)?'%d/%m/%Y, %T':'%d/%m/%Y'));
   }
 
  /**
@@ -132,11 +124,12 @@ class LSformElement_date extends LSformElement {
   * @retval string The date picker style
   **/
   function getStyle() {
-    if (isset($this -> params['html_options']['style'])) {
-      if (is_dir(LS_LIB_DIR.'arian-mootools-datepicker/datepicker_'.strval($this -> params['html_options']['style']))) {
-        return $this -> params['html_options']['style'];
+    $style = $this -> getParam('html_options.style', $this -> default_style, 'string');
+    if ($style) {
+      if (is_dir(LS_LIB_DIR.'arian-mootools-datepicker/datepicker_'.$style)) {
+        return $style;
       }
-      LSdebug('LSformElement :: Date => unknown style parameter value '.strval($this -> params['html_options']['style']));
+      LSdebug('LSformElement :: Date => unknown style parameter value '.$style);
     }
     return $this -> default_style;
   }
@@ -164,12 +157,12 @@ class LSformElement_date extends LSformElement {
       $params = array(
         'format' => $this -> php2js_format($this -> getFormat()),
         'style' => $this -> getStyle(),
-        'time' => (isset($this -> params['html_options']['time'])?$this -> params['html_options']['time']:true),
-        'manual' => (isset($this -> params['html_options']['manual'])?$this -> params['html_options']['manual']:true),
-        'showNowButton' => (isset($this -> params['html_options']['showNowButton'])?$this -> params['html_options']['showNowButton']:true),
-        'showTodayButton' => (isset($this -> params['html_options']['showTodayButton'])?$this -> params['html_options']['showTodayButton']:true),
+        'time' => $this -> getParam('html_options.time', true, 'bool'),
+        'manual' => $this -> getParam('html_options.manual', true, 'bool'),
+        'showNowButton' => $this -> getParam('html_options.showNowButton', true, 'bool'),
+        'showTodayButton' => $this -> getParam('html_options.showTodayButton', true, 'bool'),
       );
-      LSsession :: addJSconfigParam($this -> name,$params);
+      LSsession :: addJSconfigParam($this -> name, $params);
       
       $codeLang = str_replace('_','-',preg_replace('/\..*$/','',LSsession :: getLang()));
 
diff --git a/public_html/includes/class/class.LSformElement_jsonCompositeAttribute.php b/public_html/includes/class/class.LSformElement_jsonCompositeAttribute.php
index 62a579f8..43753072 100644
--- a/public_html/includes/class/class.LSformElement_jsonCompositeAttribute.php
+++ b/public_html/includes/class/class.LSformElement_jsonCompositeAttribute.php
@@ -37,9 +37,7 @@ class LSformElement_jsonCompositeAttribute extends LSformElement {
 
   function LSformElement_jsonCompositeAttribute (&$form, $name, $label, $params,&$attr_html){
     parent :: LSformElement($form, $name, $label, $params,$attr_html);
-    if (is_array($this -> params['html_options']['components'])) {
-      $this -> components = $this -> params['html_options']['components'];
-    }
+    $this -> components = $this -> getParam('html_options.components', array());
   }
 
   /*
diff --git a/public_html/includes/class/class.LSformElement_labeledValue.php b/public_html/includes/class/class.LSformElement_labeledValue.php
index 47333205..cf26b573 100644
--- a/public_html/includes/class/class.LSformElement_labeledValue.php
+++ b/public_html/includes/class/class.LSformElement_labeledValue.php
@@ -51,7 +51,7 @@ class LSformElement_labeledValue extends LSformElement {
       $parseValues[]=$this -> parseValue($val);
     }
     $return['html'] = $this -> fetchTemplate(NULL,array(
-      'labels' => $this -> params['html_options']['labels'],
+      'labels' => $this -> getParam('html_options.labels'),
       'parseValues' => $parseValues,
       'unrecognizedValueTxt' => __('(unrecognized value)'),
       'unrecognizedLabelTxt' => __('(unrecognized label)'),
@@ -66,11 +66,10 @@ class LSformElement_labeledValue extends LSformElement {
   */
   function getEmptyField() {
     return $this -> fetchTemplate($this -> fieldTemplate,array(
-      'labels' => $this -> params['html_options']['labels'],
+      'labels' => $this -> getParam('html_options.labels'),
     ));
   }
 
-
  /**
   * Parse une valeur
   *
@@ -82,8 +81,9 @@ class LSformElement_labeledValue extends LSformElement {
     $ret=array('raw_value' => $value);
     if (preg_match('/^\[([^\]]*)\](.*)$/',$value,$m)) {
       $ret['label'] = $m[1];
-      if (isset($this -> params['html_options']['labels'][$ret['label']]))
-	      $ret['translated_label'] = $this -> params['html_options']['labels'][$ret['label']];
+      $label = $this -> getParam('html_options.labels.'.$ret['label']);
+      if ($label)
+	      $ret['translated_label'] = $label;
       $ret['value'] = $m[2];
     }
     return $ret;
diff --git a/public_html/includes/class/class.LSformElement_mail.php b/public_html/includes/class/class.LSformElement_mail.php
index 9ef255a0..aeacc226 100644
--- a/public_html/includes/class/class.LSformElement_mail.php
+++ b/public_html/includes/class/class.LSformElement_mail.php
@@ -58,7 +58,7 @@ class LSformElement_mail extends LSformElement_text {
   }
 
   function fetchTemplate($template=NULL,$variables=array()) {
-    if (isset($this -> params['html_options']['disableMailSending']) && $this -> params['html_options']['disableMailSending']) {
+    if ($this -> getParam('html_options.disableMailSending', false, 'bool')) {
       $this -> fetchVariables['uriClass'] .= " LSformElement_mail_disableMailSending";
     }
     return  parent :: fetchTemplate($template,$variables);
diff --git a/public_html/includes/class/class.LSformElement_mailQuota.php b/public_html/includes/class/class.LSformElement_mailQuota.php
index c445f4e0..710d0924 100644
--- a/public_html/includes/class/class.LSformElement_mailQuota.php
+++ b/public_html/includes/class/class.LSformElement_mailQuota.php
@@ -114,12 +114,7 @@ class LSformElement_mailQuota extends LSformElement {
   * @retval string Suffix value
   **/
   function getSuffix() {
-    if(isset($this -> params['html_options']['suffix'])){
-      return strval($this -> params['html_options']['suffix']);
-    }
-    else {
-      return "S";
-    }
+    return $this -> getParam('html_options.suffix', 'S', 'string');
   }
 
   /**
diff --git a/public_html/includes/class/class.LSformElement_password.php b/public_html/includes/class/class.LSformElement_password.php
index 34ad3cb6..d06931c7 100644
--- a/public_html/includes/class/class.LSformElement_password.php
+++ b/public_html/includes/class/class.LSformElement_password.php
@@ -80,13 +80,13 @@ class LSformElement_password extends LSformElement {
           LSdebug ('send by form');
         }
       }
-      else if (isset($this -> params['html_options']['mail']['isset']) && $this -> params['html_options']['mail']['send']==1) {
+      else if ($this -> getParam('html_options.mail.send')) {
         $this -> sendMail = true;
         LSdebug ('send by config');
       }
       if ($this -> sendMail && LSsession :: loadLSaddon('mail')) {
-        $msg = $this -> params['html_options']['mail']['msg'];
-        $subject = $this -> params['html_options']['mail']['subject'];
+        $msg = $this -> getParam('html_options.mail.msg');
+        $subject = $this -> getParam('html_options.mail.subject');
         if (isset($_POST['LSformElement_password_'.$this -> name.'_msg'])) {
           $msgInfos = json_decode($_POST['LSformElement_password_'.$this -> name.'_msg']);
           if ($msgInfos -> subject) {
@@ -122,7 +122,7 @@ class LSformElement_password extends LSformElement {
     LSsession :: addCssFile('LSformElement_password.css');
     $return = $this -> getLabelInfos();
     $pwd = "";
-    if ($this -> params['html_options']['clearView'] or $this -> params['html_options']['clearEdit']) {
+    if ($this -> getParam('html_options.clearView') or $this -> getParam('html_options.clearEdit')) {
       $pwd = $this -> values[0];
     }
     if (!$this -> isFreeze()) {
@@ -142,35 +142,43 @@ class LSformElement_password extends LSformElement {
         )
       );
       
-      if (($this -> params['html_options']['generationTool'])&&($this -> params['html_options']['autoGenerate'])&&(empty($this -> values))) {
+      if ($this -> getParam('html_options.generationTool') && $this -> getParam('html_options.autoGenerate') && empty($this -> values)) {
         $pwd=$this->generatePassword($this -> params);
       }
       
       $params = array(
-        'generate' => ($this -> params['html_options']['generationTool']==True),
-        'clearEdit' => ($this -> params['html_options']['clearEdit']==True),
-        'viewHash' => ($this -> params['html_options']['viewHash']==True),
-        'verify' => ( (!$this -> attr_html -> attribute -> ldapObject-> isNew()) && ( (isset($this -> params['html_options']['verify']) && $this -> params['html_options']['verify']) || (!isset($this -> params['html_options']['verify'])) ) )
+        'generate' => $this -> getParam('html_options.generationTool', true, 'bool'),
+        'clearEdit' => $this -> getParam('html_options.clearEdit', false, 'bool'),
+        'viewHash' => $this -> getParam('html_options.viewHash', false, 'bool'),
+        'verify' => ( (!$this -> attr_html -> attribute -> ldapObject-> isNew()) && $this -> getParam('html_options.verify', True, 'bool') )
       );
-      if (isset($this -> params['html_options']['mail'])) {
-        $params['mail'] = $this -> params['html_options']['mail'];
+
+      if ($this -> getParam('html_options.mail')) {
+        $params['mail'] = $this -> getParam('html_options.mail');
         $params['mail']['mail_attr'] = $this -> getMailAttrs();
       }
-      LSsession :: addJSconfigParam($this -> name,$params);
+      LSsession :: addJSconfigParam($this -> name, $params);
       
       LSsession :: addJSscript('LSformElement_password_field.js');
       LSsession :: addJSscript('LSformElement_password.js');
     }
-    $return['html'] = $this -> fetchTemplate(NULL,array('pwd' => $pwd,'clearView' => $this -> params['html_options']['clearView'],'clearEdit' => $this -> params['html_options']['clearEdit']));
+    $return['html'] = $this -> fetchTemplate (
+      NULL,
+      array(
+        'pwd' => $pwd,
+        'clearView' => $this -> getParam('html_options.clearView'),
+        'clearEdit' => $this -> getParam('html_options.clearEdit'),
+      )
+    );
     return $return;
   }
   
   function generatePassword($params=NULL) {
-    if ($params['html_options']['use_pwgen']) {
-      $args=(isset($params['html_options']['pwgen_opts'])?$params['html_options']['pwgen_opts']:'');
-      $len=(isset($params['html_options']['lenght'])?$params['html_options']['lenght']:8);
-      $bin=(isset($params['html_options']['pwgen_path'])?$params['html_options']['pwgen_path']:'pwgen');
-      $cmd="$bin ".escapeshellcmd($args)." $len 1";
+    if (LSconfig :: get('html_options.use_pwgen', false, null, $params)) {
+      $args = LSconfig :: get('html_options.pwgen_opts', '', 'string', $params);
+      $len = LSconfig :: get('html_options.lenght', 8, 'int', $params);
+      $bin = LSconfig :: get('html_options.pwgen_path', 'pwgen', 'string', $params);
+      $cmd = "$bin ".escapeshellcmd($args)." $len 1";
       exec($cmd,$ret,$retcode);
       LSdebug("Generate password using pwgen. Cmd : '$cmd' / Return code : $retcode / Return : ".print_r($ret,1));
       if ($retcode==0 && count($ret)>0) {
@@ -180,7 +188,7 @@ class LSformElement_password extends LSformElement {
         LSerror :: addErrorCode('LSformElement_password_03');
       }
     }
-    return generatePassword($params['html_options']['chars'],$params['html_options']['lenght']);
+    return generatePassword(LSconfig :: get('html_options.chars', null, null, $params), LSconfig :: get('html_options.lenght', 8, 'int', $params));
   }
   
   function verifyPassword($pwd) {
@@ -211,12 +219,13 @@ class LSformElement_password extends LSformElement {
   }
 
   function getMailAttrs() {
-    if (!isset($this -> params['html_options']['mail']) || !is_array($this -> params['html_options']['mail']))
+    if (!$this -> getParam('html_options.mail'))
       return False;
-    if (isset($this -> params['html_options']['mail']['get_mail_attr_function'])) {
-      if (is_callable($this -> params['html_options']['mail']['get_mail_attr_function'])) {
+    if ($this -> getParam('html_options.mail.get_mail_attr_function')) {
+      $func = $this -> getParam('html_options.mail.get_mail_attr_function');
+      if (is_callable($func)) {
         try {
-          return call_user_func_array($this -> params['html_options']['mail']['get_mail_attr_function'], array(&$this));
+          return call_user_func_array($func, array(&$this));
         }
         catch(Exception $e) {
           LSerror :: addErrorCode('LSformElement_password_05', $e->getMessage());
@@ -227,9 +236,7 @@ class LSformElement_password extends LSformElement {
         return False;
       }
     }
-    elseif (isset($this -> params['html_options']['mail']['mail_attr'])) {
-      return $this -> params['html_options']['mail']['mail_attr'];
-    }
+    return $this -> getParam('html_options.mail.mail_attr');
   }
 
   function send($params) {
@@ -266,15 +273,9 @@ class LSformElement_password extends LSformElement {
       if (checkEmail($mail,NULL,true)) {
         $this -> attr_html -> attribute -> ldapObject -> registerOtherValue('password',$this -> sendMail['pwd']);
         $msg = $this -> attr_html -> attribute -> ldapObject -> getFData($this -> sendMail['msg']);
-        if (isset($this -> params['html_options']['mail']['headers'])) {
-          $headers = $this -> params['html_options']['mail']['headers'];
-        }
-        else {
-          $headers = array();
-        }
-	if ($this -> params['html_options']['mail']['bcc']) {
-		$headers['Bcc']=$this -> params['html_options']['mail']['bcc'];
-	}
+        $headers = $this -> getParam('html_options.mail.headers', array());
+        $bcc = $this -> getParam('html_options.mail.bcc');
+        if ($bcc) $headers['Bcc'] = $bcc;
         if (sendMail(
           $mail,
           $this -> sendMail['subject'],
@@ -349,10 +350,7 @@ class LSformElement_password extends LSformElement {
   }
 
   public function isLoginPassword() {
-    if (!isset($this -> params['html_options']['isLoginPassword']) || $this -> params['html_options']['isLoginPassword']) {
-      return true;
-    }
-    return false;
+    return $this -> getParam('html_options.isLoginPassword', true);
   }
 
 }
diff --git a/public_html/includes/class/class.LSformElement_postaladdress.php b/public_html/includes/class/class.LSformElement_postaladdress.php
index 67f7375d..5b5f48f6 100644
--- a/public_html/includes/class/class.LSformElement_postaladdress.php
+++ b/public_html/includes/class/class.LSformElement_postaladdress.php
@@ -43,23 +43,25 @@ class LSformElement_postaladdress extends LSformElement_textarea {
     $return = parent :: getDisplay();
     if ($this -> isFreeze()) {
       if (!empty($this->values)) {
-        $map_url_format=(isset($this -> params['html_options']['map_url_format'])?$this -> params['html_options']['map_url_format']:'http://nominatim.openstreetmap.org/search.php?q=%{pattern}');
-        if (isset($this -> params['html_options']['map_url_pattern_generate_function'])) {
-          if (is_callable($this -> params['html_options']['map_url_pattern_generate_function'])) {
-            $this -> attr_html -> attribute -> ldapObject -> registerOtherValue('pattern',call_user_func($this -> params['html_options']['map_url_pattern_generate_function'],$this));
+        $map_url_format = $this -> getParam('html_options.map_url_format', 'http://nominatim.openstreetmap.org/search.php?q=%{pattern}', 'string');
+        $map_url_pattern_generate_function = $this -> getParam('html_options.map_url_pattern_generate_function');
+        $map_url_pattern_format = $this -> getParam('html_options.map_url_pattern_format');
+        if ($map_url_pattern_generate_function) {
+          if (is_callable($map_url_pattern_generate_function)) {
+            $this -> attr_html -> attribute -> ldapObject -> registerOtherValue('pattern', call_user_func($map_url_pattern_generate_function, $this));
           }
           else {
-            LSerror::addErrorCode('LSformElement_postaladdress_01', $this -> params['html_options']['map_url_pattern_generate_function']);
+            LSerror::addErrorCode('LSformElement_postaladdress_01', $map_url_pattern_generate_function);
           }
 	}
-	elseif (isset($this -> params['html_options']['map_url_pattern_format'])) {
-          $pattern=$this -> attr_html -> attribute -> ldapObject -> getFData($this -> params['html_options']['map_url_pattern_format']);
-          $pattern=str_replace("\n"," ",$pattern);
-          $pattern=urlencode($pattern);
-          $this -> attr_html -> attribute -> ldapObject -> registerOtherValue('pattern',$pattern);
+	elseif ($map_url_pattern_format) {
+          $pattern = $this -> attr_html -> attribute -> ldapObject -> getFData($map_url_pattern_format);
+          $pattern = str_replace("\n"," ",$pattern);
+          $pattern = urlencode($pattern);
+          $this -> attr_html -> attribute -> ldapObject -> registerOtherValue('pattern', $pattern);
 	}
         else {
-          $this -> attr_html -> attribute -> ldapObject -> registerOtherValue('pattern',LSformElement_postaladdress__generate_pattern($this));
+          $this -> attr_html -> attribute -> ldapObject -> registerOtherValue('pattern', LSformElement_postaladdress__generate_pattern($this));
         }
         LSsession :: addJSconfigParam('LSformElement_postaladdress_'.$this -> name, array (
             'map_url' => $this -> attr_html -> attribute -> ldapObject -> getFData($map_url_format)
diff --git a/public_html/includes/class/class.LSformElement_quota.php b/public_html/includes/class/class.LSformElement_quota.php
index 176a6db7..43cad1bb 100644
--- a/public_html/includes/class/class.LSformElement_quota.php
+++ b/public_html/includes/class/class.LSformElement_quota.php
@@ -149,10 +149,7 @@ class LSformElement_quota extends LSformElement {
   }
 
   private function getFactor() {
-    if (isset($this -> params['html_options']['factor'])) {
-	return $this -> params['html_options']['factor'];
-    }
-    return 1;
+    return $this -> getParam('html_options.factor', 1);
   }
 }
 
diff --git a/public_html/includes/class/class.LSformElement_select.php b/public_html/includes/class/class.LSformElement_select.php
index fd2933f8..22b6c407 100644
--- a/public_html/includes/class/class.LSformElement_select.php
+++ b/public_html/includes/class/class.LSformElement_select.php
@@ -73,8 +73,8 @@ class LSformElement_select extends LSformElement {
   */
   public function isValidValue($value,$possible_values=False) {
     if (!is_array($possible_values)) {
-      if (isset($this) && is_a($this, __CLASS__) && is_array($this -> params['text_possible_values'])) {
-        $possible_values=$this -> params['text_possible_values'];
+      if (isset($this) && is_a($this, __CLASS__) && $this -> getParam('text_possible_values')) {
+        $possible_values = $this -> getParam('text_possible_values');
       }
       else {
         return False;
diff --git a/public_html/includes/class/class.LSformElement_select_box.php b/public_html/includes/class/class.LSformElement_select_box.php
index 46a01f63..c9f40ce8 100644
--- a/public_html/includes/class/class.LSformElement_select_box.php
+++ b/public_html/includes/class/class.LSformElement_select_box.php
@@ -47,7 +47,7 @@ class LSformElement_select_box extends LSformElement_select {
     if (!$this -> isFreeze()) {
       LSsession :: addCssFile('LSformElement_select_box.css');
     }
-    $this -> fetchVariables['translate_labels'] = ((isset($this -> params['translate_labels']) && !$this -> params['translate_labels'])?false:true);
+    $this -> fetchVariables['translate_labels'] = $this -> getParam('translate_labels', true);
     return parent :: getDisplay();
   }
 
diff --git a/public_html/includes/class/class.LSformElement_select_object.php b/public_html/includes/class/class.LSformElement_select_object.php
index 3f279f8c..882e3f50 100644
--- a/public_html/includes/class/class.LSformElement_select_object.php
+++ b/public_html/includes/class/class.LSformElement_select_object.php
@@ -69,9 +69,9 @@ class LSformElement_select_object extends LSformElement {
           'deleteBtns' => _('Delete'),
           'up_label' => _('Move up'),
           'down_label' => _('Move down'),
-          'ordered' => (($this -> params['html_options']['ordered'])?1:0),
-          'multiple' => (($this -> params['multiple'])?1:0),
-          'filter64' => (($this -> params['html_options']['selectable_object']['filter'])?base64_encode($this -> params['html_options']['selectable_object']['filter']):''),
+          'ordered' => $this -> getParam('html_options.ordered', 0, 'int'),
+          'multiple' => $this -> getParam('multiple', 0, 'int'),
+          'filter64' => base64_encode($this -> getParam('html_options.selectable_object.filter', '', 'string')),
           'noValueLabel' => _('No set value'),
           'noResultLabel' => _('No result')
         )
@@ -93,7 +93,7 @@ class LSformElement_select_object extends LSformElement {
       }
     }
 
-    if ((!isset($this -> params['html_options']['sort']) || $this -> params['html_options']['sort']) && !$this -> params['html_options']['ordered']) {
+    if ($this -> getParam('html_options.sort', true) && !$this -> getParam('html_options.ordered', false, 'bool')) {
       uasort($this -> values,array($this,'_sortTwoValues'));
     }
 
@@ -114,7 +114,7 @@ class LSformElement_select_object extends LSformElement {
    * @retval int Value for uasort
    **/
   private function _sortTwoValues(&$va,&$vb) {
-    if (isset($this -> params['html_options']['sortDirection']) && $this -> params['html_options']['sortDirection']=='DESC') {
+    if ($this -> getParam('html_options.sortDirection') == 'DESC') {
       $dir=-1;
     }
     else {
@@ -176,12 +176,21 @@ class LSformElement_select_object extends LSformElement {
    * @retval array(dn -> displayName) Found objects
    */
   function searchAdd ($pattern) {
-    if (is_array($this -> params['html_options']['selectable_object'])) {
-      if (LSsession :: loadLSobject($this -> params['html_options']['selectable_object']['object_type'])) {
-        $obj = new $this -> params['html_options']['selectable_object']['object_type']();
+    if ($this -> getParam('html_options.selectable_object')) {
+      $obj_type = $this -> getParam('html_options.selectable_object.object_type');
+      if (LSsession :: loadLSobject($obj_type)) {
+        $obj = new $obj_type();
         $sparams = array();
-        $sparams['onlyAccessible'] = (isset($this -> params['html_options']['selectable_object']['onlyAccessible'])?$this -> params['html_options']['selectable_object']['onlyAccessible']:FALSE);
-        $ret = $obj -> getSelectArray($pattern,NULL,$this -> params['html_options']['selectable_object']['display_name_format'],false,true,(isset($this -> params['html_options']['selectable_object']['filter'])?$this -> params['html_options']['selectable_object']['filter']:NULL),$sparams);
+        $sparams['onlyAccessible'] = $this -> getParam('html_options.selectable_object.onlyAccessible', false, 'bool');
+        $ret = $obj -> getSelectArray(
+          $pattern,
+          NULL,
+          $this -> getParam('html_options.selectable_object.display_name_format'),
+          false,
+          true,
+          $this -> getParam('html_options.selectable_object.filter'),
+          $sparams
+        );
         if (is_array($ret)) {
           return $ret;
         }
diff --git a/public_html/includes/class/class.LSformElement_text.php b/public_html/includes/class/class.LSformElement_text.php
index 3cd484b6..1c2db4ee 100644
--- a/public_html/includes/class/class.LSformElement_text.php
+++ b/public_html/includes/class/class.LSformElement_text.php
@@ -48,8 +48,8 @@ class LSformElement_text extends LSformElement {
     $return = $this -> getLabelInfos();
     // value
     if (!$this -> isFreeze()) {
-      if (isset($this -> params['html_options'])) {
-        LSsession :: addJSconfigParam($this -> name,$this -> params['html_options']);
+      if ($this -> getParam('html_options')) {
+        LSsession :: addJSconfigParam($this -> name, $this -> getParam('html_options'));
       }
       LSsession :: addHelpInfos(
         'LSformElement_text',
diff --git a/public_html/includes/class/class.LSformElement_valueWithUnit.php b/public_html/includes/class/class.LSformElement_valueWithUnit.php
index 1c369d97..0995524b 100644
--- a/public_html/includes/class/class.LSformElement_valueWithUnit.php
+++ b/public_html/includes/class/class.LSformElement_valueWithUnit.php
@@ -41,15 +41,17 @@ class LSformElement_valueWithUnit extends LSformElement {
   *                     Si le parametre units n'est pas defini, cette fonction retournera False
   **/
   function getUnits() {
-    if (isset($this -> params['html_options']['units']) && is_array($this -> params['html_options']['units'])) {
-      $units=array();
-      foreach($this -> params['html_options']['units'] as $sill => $label) {
-        $units[$sill]=((!isset($this -> params['html_options']['translate_labels']) || $this -> params['html_options']['translate_labels'])?__($label):$label);
+    $units = $this -> getParam('html_options.units');
+    if (is_array($units)) {
+      if ($this -> getParam('html_options.translate_labels', true)) {
+        foreach($units as $sill => $label) {
+          $units[$sill] = __($label);
+        }
       }
       krsort($units);
       return $units;
     }
-    LSerror :: addErrorCode('LSformElement_valueWithUnit_01',$this -> name);
+    LSerror :: addErrorCode('LSformElement_valueWithUnit_01', $this -> name);
     return;
   }
 
@@ -66,9 +68,9 @@ class LSformElement_valueWithUnit extends LSformElement {
   function formatNumber($number) {
     if ((int)$number==$number) return $number;
     return number_format($number,
-      (isset($this -> params['html_options']['nb_decimals'])?$this -> params['html_options']['nb_decimals']:2),
-      (isset($this -> params['html_options']['dec_point'])?$this -> params['html_options']['dec_point']:","),
-      (isset($this -> params['html_options']['thousands_sep'])?$this -> params['html_options']['thousands_sep']:" ")
+      $this -> getParam('html_options.nb_decimals', 2, 'int'),
+      $this -> getParam('html_options.dec_point', ',', 'string'),
+      $this -> getParam('html_options.thousands_sep', ' ', 'string')
     );
   }
 
@@ -163,8 +165,8 @@ class LSformElement_valueWithUnit extends LSformElement {
           if (isset($_POST[$this -> name.'_unitFact'][$key]) && ($_POST[$this -> name.'_unitFact'][$key]!=1)) {
             $f = $_POST[$this -> name.'_unitFact'][$key];
 	  }
-	  if (isset($this -> params['html_options']['store_integer']) && $this -> params['html_options']['store_integer']) {
-           if (isset($this -> params['html_options']['round_down']) && $this -> params['html_options']['round_down']) {
+	  if ($this -> getParam('html_options.store_integer'])) {
+           if ($this -> getParam('html_options.round_down')) {
               $return[$this -> name][$key] = floor($val*$f);
 	    }
 	    else {
diff --git a/public_html/includes/class/class.LSformElement_wysiwyg.php b/public_html/includes/class/class.LSformElement_wysiwyg.php
index a9f8d95d..7bd6b735 100644
--- a/public_html/includes/class/class.LSformElement_wysiwyg.php
+++ b/public_html/includes/class/class.LSformElement_wysiwyg.php
@@ -47,7 +47,7 @@ class LSformElement_wysiwyg extends LSformElement {
       LSsession :: addJSconfigParam(
         $this -> name,
         array(
-          'extra_options' => (isset($this -> params['html_options']['extra_options'])?$this -> params['html_options']['extra_options']:array()),
+          'extra_options' => $this -> getParam('html_options.extra_options', array()),
         )
       );
     }
diff --git a/public_html/includes/class/class.LSldapObject.php b/public_html/includes/class/class.LSldapObject.php
index abd14e85..254445d5 100644
--- a/public_html/includes/class/class.LSldapObject.php
+++ b/public_html/includes/class/class.LSldapObject.php
@@ -68,7 +68,7 @@ class LSldapObject {
       return;
     }
     
-    foreach($this -> config['attrs'] as $attr_name => $attr_config) {
+    foreach($this -> getConfig('attrs', array()) as $attr_name => $attr_config) {
       if(!$this -> attrs[$attr_name]=new LSattribute($attr_name,$attr_config,$this)) {
         return;
       }
@@ -127,7 +127,7 @@ class LSldapObject {
    * @retval string Format d'affichage de l'objet.
    */ 
   function getDisplayNameFormat() {
-    return $this -> config['display_name_format'];
+    return $this -> getConfig('display_name_format');
   }
   
   /**
@@ -589,7 +589,7 @@ class LSldapObject {
     $new = $this -> isNew();
     foreach($this -> attrs as $attr) {
       if(($attr -> isUpdate())&&($attr -> isValidate())) {
-        if(($attr -> name == $this -> config['rdn'])&&(!$new)) {
+        if(($attr -> name == $this -> getConfig('rdn')) && (!$new)) {
           $new = true;
           LSdebug('Rename');
           if (!$this -> fireEvent('before_rename')) {
@@ -838,7 +838,7 @@ class LSldapObject {
    */
   function searchObject($name,$basedn=NULL,$filter=NULL,$params=NULL) {
     if (!$filter) {
-      $filter = '('.$this -> config['rdn'].'='.$name.')';
+      $filter = '('.$this -> getConfig('rdn').'='.$name.')';
     }
     else {
       $filter = getFData($filter,$name);
@@ -952,14 +952,14 @@ class LSldapObject {
     else {
       $container_dn=$this -> getContainerDn();
       if ($container_dn) {
-        $rdn_attr=$this -> config['rdn'];
-        if( (isset($this -> config['rdn'])) && (isset($this -> attrs[$rdn_attr])) ) {
+        $rdn_attr = $this -> getConfig('rdn');
+        if( $rdn_attr && isset($this -> attrs[$rdn_attr]) ) {
           $rdn_val=$this -> attrs[$rdn_attr] -> getUpdateData();
           if (!empty($rdn_val)) {
             return $rdn_attr.'='.$rdn_val[0].','.$container_dn;
           }
           else {
-            LSerror :: addErrorCode('LSldapObject_12',$this -> config['rdn']);
+            LSerror :: addErrorCode('LSldapObject_12', $rdn_attr);
             return;
           }
         }
@@ -983,10 +983,12 @@ class LSldapObject {
    */
   function getContainerDn() {
     $topDn = LSsession :: getTopDn();
-    if (isset($this -> config['generate_container_dn'])) {
-      if (is_callable($this -> config['generate_container_dn'])) {
+    $generate_container_dn = $this -> getConfig('generate_container_dn');
+    $container_dn = $this -> getConfig('container_dn');
+    if ($generate_container_dn) {
+      if (is_callable($generate_container_dn)) {
         try {
-          $container_dn=$this -> config['generate_container_dn']($this);
+          $container_dn = call_user_func_array($generate_container_dn, array(&$this));
           return $container_dn.','.$topDn;
         }
         catch (Exception $e) {
@@ -994,11 +996,11 @@ class LSldapObject {
         }
       }
       else {
-        LSerror :: addErrorCode('LSldapObject_33',$this -> config['generate_container_dn']);
+        LSerror :: addErrorCode('LSldapObject_33', $generate_container_dn);
       }
     }
-    else if ((isset($this -> config['container_dn'])) && ($topDn)) {
-      return $this -> config['container_dn'].','.$topDn;
+    else if ($container_dn && $topDn) {
+      return $container_dn.','.$topDn;
     }
     else {
       LSerror :: addErrorCode('LSldapObject_11',$this -> getType());
@@ -1118,11 +1120,12 @@ class LSldapObject {
    */
   function updateLSrelationsCache() {
     $this -> _LSrelationsCache=array();
-    if (is_array($this->config['LSrelation']) && LSsession :: loadLSclass('LSrelation')) {
+    $LSrelations = $this -> getConfig('LSrelation');
+    if (is_array($LSrelations) && LSsession :: loadLSclass('LSrelation')) {
       $type = $this -> getType();
       $me = new $type();
       $me -> loadData($this -> getDn());
-      foreach($this->config['LSrelation'] as $relation_name => $relation_conf) {
+      foreach($LSrelations as $relation_name => $relation_conf) {
         $relation = new LSrelation($me, $relation_name);
         $list = $relation -> listRelatedObjects();
         if (is_array($list)) {
@@ -1659,16 +1662,13 @@ class LSldapObject {
     $return = $this -> fireObjectEvent($event);
     
     // Config
-    if(isset($this -> config[$event])) {
-      if (!is_array($this -> config[$event])) {
+    $funcs = $this -> getConfig($event);
+    if($funcs) {
+      if (!is_array($funcs))
         $funcs = array($this -> config[$event]);
-      }
-      else {
-        $funcs = $this -> config[$event];
-      }
       foreach($funcs as $func) {
         if(function_exists($func)) {
-          if(!call_user_func_array($func,array(&$this))) {
+          if(!call_user_func_array($func, array(&$this))) {
             $return = false;
             LSerror :: addErrorCode('LSldapObject_07',array('func' => $func,'event' => $event));
           }
@@ -1801,8 +1801,9 @@ class LSldapObject {
       return $this -> cache['subDnName'];
     }
     elseif ($key=='rdn') {
-      if ($this -> config['rdn'] && isset($this -> attrs[ $this -> config['rdn'] ])) {
-        return $this -> attrs[ $this -> config['rdn'] ] -> getValue();
+      $rdn_attr = $this -> getConfig('rdn');
+      if ($rdn_attr && isset($this -> attrs[ $rdn_attr ])) {
+        return $this -> attrs[ $rdn_attr ] -> getValue();
       }
       return false;
     }
@@ -1815,9 +1816,10 @@ class LSldapObject {
    **/
   function listValidIOformats() {
     $ret=array();
-    if (isset($this -> config['ioFormat']) && is_array($this -> config['ioFormat'])) {
-      foreach($this -> config['ioFormat'] as $name => $conf) {
-        $ret[$name]=_((isset($conf['label'])?$conf['label']:$name));
+    $ioFormats = $this -> getConfig('ioFormat');
+    if (is_array($ioFormats)) {
+      foreach($ioFormats as $name => $conf) {
+        $ret[$name] = _((isset($conf['label'])?$conf['label']:$name));
       }
     }
     return $ret;
@@ -1831,12 +1833,22 @@ class LSldapObject {
    * @retval boolean True if it's a valid IOformat, false otherwise
    **/
   function isValidIOformat($f) {
-    if (isset($this -> config['ioFormat']) && is_array($this -> config['ioFormat']) && isset($this -> config['ioFormat'][$f])) {
-      return True;
-    }
-    return False;
+    return is_array($this -> getConfig("ioFormat.$f"));
   }
-  
+
+  /**
+   * Return a configuration parameter (or default value)
+   *
+   * @param[] $param	The configuration parameter
+   * @param[] $default	The default value (default : null)
+   * @param[] $cast	Cast resulting value in specific type (default : disabled)
+   *
+   * @retval mixed The configuration parameter value or default value if not set
+   **/
+  public function getConfig($param, $default=null, $cast=null) {
+    return LSconfig :: get($param, $default, $cast, $this -> config);
+  }
+
 }
 
 /**
diff --git a/public_html/includes/class/class.LSsearch.php b/public_html/includes/class/class.LSsearch.php
index 1bdfc698..baa5df30 100644
--- a/public_html/includes/class/class.LSsearch.php
+++ b/public_html/includes/class/class.LSsearch.php
@@ -123,7 +123,7 @@ class LSsearch {
    */
   private function loadConfig() {
     $this -> config = LSconfig::get("LSobjects.".$this -> LSobject.".LSsearch");
-    if (is_array($this -> config['predefinedFilters'])) {
+    if (isset($this -> config['predefinedFilters']) && is_array($this -> config['predefinedFilters'])) {
       foreach($this -> config['predefinedFilters'] as $filter => $label) {
         if(!LSldap::isValidFilter($filter)) {
           LSerror::addErrorCode('LSsearch_15',array('label' => $label, 'filter' => $filter, 'type' => $this -> LSobject));
@@ -179,7 +179,7 @@ class LSsearch {
     
     foreach ($params as $param => $value) {
       if ( !isset($_SESSION['LSsession']['LSsearch'][$this -> LSobject]['params'][$this -> context][$param]) || $_SESSION['LSsession']['LSsearch'][$this -> LSobject]['params'][$this -> context][$param]!=$value) {
-        LSdebug("S: $param => $value");
+        LSdebug("S: $param => ".varDump($value));
         $_SESSION['LSsession']['LSsearch'][$this -> LSobject]['params'][$this -> context][$param]=$value;
       }
     }
@@ -372,8 +372,8 @@ class LSsearch {
         }
         else {
           $this -> params['sortBy'] = $params['sortBy'];
-          if (!is_string($params['sortDirection'])) {
-            $this -> params['sortDirection']='ASC';
+          if (!isset($params['sortDirection']) || !is_string($params['sortDirection'])) {
+            $this -> params['sortDirection'] = 'ASC';
           }
         }
       }