diff --git a/trunk/includes/class/class.LSformRule_mimetype.php b/trunk/includes/class/class.LSformRule_mimetype.php
new file mode 100644
index 00000000..4fbc8ac0
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+++ b/trunk/includes/class/class.LSformRule_mimetype.php
@@ -0,0 +1,70 @@
+<?php
+/*******************************************************************************
+ * Copyright (C) 2007 Easter-eggs
+ * http://ldapsaisie.labs.libre-entreprise.org
+ *
+ * Author: See AUTHORS file in top-level directory.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License version 2
+ * as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
+
+******************************************************************************/
+
+/**
+ * Règle de validation : mime_type d'un fichier
+ *
+ * @author Benjamin Renard <brenard@easter-eggs.com>
+ */
+class LSformRule_mimetype extends LSformRule {
+
+  /**
+   * Vérification de la valeur.
+   *
+   * @param string $values Valeur à vérifier
+   * @param array $options Options de validation : 
+   *                              - Type MIME : $options['params']['mimeType']
+   *                              - Type MIME (regex) : $options['params']['mimeTypeRegEx']
+   * @param object $formElement L'objet formElement attaché
+   *
+   * @return boolean true si la valeur est valide, false sinon
+   */
+  function validate ($value,$options,$formElement) {
+    $file = LSsession :: getTmpFile($value);
+    
+    $mimetype = mime_content_type($file);
+    
+    if (isset($options['params']['mimeType'])) {
+      if (is_array($options['params']['mimeType'])) {
+        if (!in_array($mimetype,$options['params']['mimeType'])) {
+          return;
+        }
+      }
+      else {
+        if ($mimetype != $options['params']['mimeType']) {
+          return;
+        }
+      }
+    }
+    
+    if (isset($options['params']['mimeTypeRegEx'])) {
+      if (!preg_match($options['params']['mimeTypeRegEx'], $mimetype)) {
+        return false;
+      }
+    }
+    
+    return true;
+  }
+  
+}
+
+?>