bug 2844: improve security on LocalFiles Editor, add pwg_token to avoid CSRF

git-svn-id: http://piwigo.org/svn/branches/2.4@20713 68402e56-0260-453c-a942-63ccdbb3a9ee

plugins/LocalFilesEditor/admin.php

@@ -66,6 +66,8 @@ if (isset($_POST['restore']))
 // +-----------------------------------------------------------------------+
 if (isset($_POST['submit']))
 {
+  check_pwg_token();
+
   if (!is_webmaster())
   {
     array_push($page['errors'], l10n('locfiledit_webmaster_only'));
@@ -140,6 +142,7 @@ if (!empty($edited_file))
 $template->assign(array(
   'F_ACTION' => PHPWG_ROOT_PATH.'admin.php?page=plugin-LocalFilesEditor-'.$page['tab'],
   'LOCALEDIT_PATH' => LOCALEDIT_PATH,
+  'PWG_TOKEN' => get_pwg_token(),
   'CODEMIRROR_MODE' => @$codemirror_mode
   )
 );

plugins/LocalFilesEditor/template/admin.tpl

@@ -27,6 +27,7 @@ if (document.getElementById("text") != null)
 </div>
 
 <form method="post" class="properties" action="{$F_ACTION}" ENCTYPE="multipart/form-data" name="form">
+<input type="hidden" name="pwg_token" value="{$PWG_TOKEN}">
 
 <div id="LocalFilesEditor">