diff --git a/src/IDF/Plugin/SyncSvn.php b/src/IDF/Plugin/SyncSvn.php
new file mode 100644
index 0000000..c10e087
--- /dev/null
+++ b/src/IDF/Plugin/SyncSvn.php
@@ -0,0 +1,194 @@
+<?php
+/* -*- tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+# ***** BEGIN LICENSE BLOCK *****
+# This file is part of InDefero, an open source project management application.
+# Copyright (C) 2008 Céondo Ltd and contributors.
+#
+# InDefero is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2 of the License, or
+# (at your option) any later version.
+#
+# InDefero 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., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+#
+# ***** END LICENSE BLOCK ***** */
+
+require_once 'File/Passwd/Authdigest.php'; // $ pear install File_Passwd
+
+/**
+ * This classes is a plugin which allows to synchronise access rights between indefero 
+ * and a DAV powered SVN repository.
+ */
+class IDF_Plugin_SyncSvn
+{
+    
+    /**
+     * Entry point of the each plugins. 
+     */
+    static function entry($signal, $params){
+        // if not actif, do nothing
+
+        if ($signal == 'IDF_Project::created'){
+            $project = $params['project'];
+
+            $plug = new IDF_Plugin_SyncSVN();
+            //$plug->processSVNCreate($project->shortname);
+
+        }else if ($signal == 'IDF_Project::membershipsUpdated'){
+            $project = $params['project'];
+            
+            $plug = new IDF_Plugin_SyncSVN();
+            $plug->processSyncAuthz($project);
+
+        }else if ($signal == 'IDF_User::passwordUpdated'){
+            $plug = new IDF_Plugin_SyncSVN();
+            $plug->processSyncPasswd($params['user']);
+        }else {
+            // do nothing
+        }
+    }
+
+    /**
+     * Run svnadmin command to create a usable SVN repository
+     * @param Project name
+     */
+    function processSVNCreate($shortname){
+
+        $svn_path = Pluf::f('idf_plugin_syncsvn_svn_path');
+        $svn_import_path = Pluf::f('idf_plugin_syncsvn_svn_import_path');
+        $chown_user = Pluf::f('idf_plugin_syncsvn_svn_import_path');
+
+        $c = 0;
+        $createsvn = "svnadmin create ".$svn_path."/".$shortname;
+        Pluf_Utils::runExternal($createsvn, $c);
+
+        if ($svn_import_path != ""){
+            //perform initial import
+            // TODO
+        }
+
+        if ($chown_user != ""){
+            $chown = "chown ".$chown_user." ".$svn_path."/".$shortname." -R";
+            Pluf_Utils::runExternal($chown, $c);
+        }
+    }
+    
+    /**
+     * Synchronise an user's password
+     * @param $user Pluf_User
+     */
+    function processSyncPasswd($user){
+        $passwd_file = Pluf::f('idf_plugin_syncsvn_passwd_file');
+        $ht = new File_Passwd_Authbasic($passwd_file);
+        $ht->parse();
+        $ht->setMode(FILE_PASSWD_SHA); // not anymore a option
+        $ht->addUser($user, $this->getSVNPass($user));
+        $ht->save();
+    }
+
+    /**
+     * Synchronize the authz file and the passwd file for the project
+     * @param $project IDF_Project
+     */
+    function processSyncAuthz($project){
+        //synchronise authz file        
+        $this->SyncAccess();
+        //synchronise pass file for 
+        $this->generateProjectPasswd($project);
+    }
+
+    /**
+     * Get the repository password for the user
+     */
+    function getSVNPass($user){
+        return substr(sha1($user->password.Pluf::f('secret_key')), 0, 8);
+    }
+
+    /**
+     * For a particular project: update all passwd information
+     */
+    function generateProjectPasswd($project){
+        $passwd_file = Pluf::f('idf_plugin_syncsvn_passwd_file');
+        $ht = new File_Passwd_Authbasic($passwd_file);
+
+        $ht->setMode(FILE_PASSWD_SHA); // not anymore a option
+        $ht->parse();
+
+        $mem = $project->getMembershipData();
+        $members = $mem['members'];
+        $owners = $mem['owners'];
+
+        foreach($owners as $v){
+            $ht->addUser($v->login, $this->getSVNPass($v));            
+        }
+
+        foreach($members as $v){
+            $ht->addUser($v->login, $this->getSVNPass($v));        
+        }
+        $ht->save();
+    }
+
+    /**
+     * Generate the dav_svn.authz file
+     */
+    function SyncAccess(){
+        $authz_file = Pluf::f('idf_plugin_syncsvn_authz_file');
+        $access_owners = Pluf::f('idf_plugin_syncsvn_access_owners');
+        $access_members = Pluf::f('idf_plugin_syncsvn_access_members');
+        $access_all = Pluf::f('idf_plugin_syncsvn_access_all');
+        $access_all_pivate = Pluf::f('idf_plugin_syncsvn_access_all_pivate');
+
+        $projects = Pluf::factory('IDF_Project')->getList();
+
+        $fcontent = "";
+    
+        // for each project
+        foreach($projects as $project){
+
+            $conf = new IDF_Conf();
+            $conf->setProject($project);
+
+            if ($conf->getVal('scm', "") == "svn"){
+
+	            $mem = $project->getMembershipData();
+	            $members = $mem['members'];
+	            $owners = $mem['owners'];
+
+                // [shortname:/]
+                $fcontent .= "[".$project->shortname.":/]\n";    
+
+                // login = rw
+	            foreach($owners as $v){
+                    	$fcontent .= $v->login." = ".$access_owners."\n";
+	            }
+                // login = rw
+	            foreach($members as $v){
+		            $fcontent .= $v->login." = ".$access_members."\n";
+	            }
+
+                // access for all users
+                if ($project->private == true){
+                    $fcontent .= "* = ".$access_all_pivate."\n";
+                }else{
+                    $fcontent .= "* = ".$access_all."\n";
+                }
+
+	            $fcontent .= "\n";
+            } //end if SVN
+        }
+
+        file_put_contents($authz_file, $fcontent, LOCK_EX);
+
+        return 0;
+    }
+}
+
+?>