--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/server_side/html_tools.py	Fri Mar 25 00:28:41 2011 +0100
@@ -0,0 +1,34 @@
+#!/usr/bin/python
+# -*- coding: utf-8 -*-
+
+"""
+Libervia: a Salut à Toi frontend
+Copyright (C) 2011  Jérôme Poisson (goffi@goffi.org)
+
+This program is free software: you can redistribute it and/or modify
+it under the terms of the GNU Affero General Public License as published by
+the Free Software Foundation, either version 3 of the License, or
+(at your option) any later version.
+
+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 Affero General Public License for more details.
+
+You should have received a copy of the GNU Affero General Public License
+along with this program.  If not, see <http://www.gnu.org/licenses/>.
+"""
+
+def sanitizeHtml(text):
+    """Sanitize HTML by escaping everything"""
+    #this code comes from official python wiki: http://wiki.python.org/moin/EscapingHtml
+    html_escape_table = {
+        "&": "&amp;",
+        '"': "&quot;",
+        "'": "&apos;",
+        ">": "&gt;",
+        "<": "&lt;",
+        }
+
+    return "".join(html_escape_table.get(c,c) for c in text)
+