1 files changed, 39 insertions, 0 deletions
diff --git a/slixmpp/features/feature_mechanisms/stanza/challenge.py b/slixmpp/features/feature_mechanisms/stanza/challenge.py
new file mode 100644
index 00000000..21a061ee
--- /dev/null
+++ b/slixmpp/features/feature_mechanisms/stanza/challenge.py
@@ -0,0 +1,39 @@
+"""
+    Slixmpp: The Slick XMPP Library
+    Copyright (C) 2011  Nathanael C. Fritz
+    This file is part of Slixmpp.
+
+    See the file LICENSE for copying permission.
+"""
+
+import base64
+
+from slixmpp.util import bytes
+from slixmpp.xmlstream import StanzaBase
+
+
+class Challenge(StanzaBase):
+
+    """
+    """
+
+    name = 'challenge'
+    namespace = 'urn:ietf:params:xml:ns:xmpp-sasl'
+    interfaces = set(('value',))
+    plugin_attrib = name
+
+    def setup(self, xml):
+        StanzaBase.setup(self, xml)
+        self.xml.tag = self.tag_name()
+
+    def get_value(self):
+        return base64.b64decode(bytes(self.xml.text))
+
+    def set_value(self, values):
+        if values:
+            self.xml.text = bytes(base64.b64encode(values)).decode('utf-8')
+        else:
+            self.xml.text = '='
+
+    def del_value(self):
+        self.xml.text = ''