slixmpp/plugins/xep_0027/stanza.py

   1 """
   2     Slixmpp: The Slick XMPP Library
   3     Copyright (C) 2012 Nathanael C. Fritz, Lance J.T. Stout
   4     This file is part of Slixmpp.
   5
   6     See the file LICENSE for copying permission.
   7 """
   8
   9 from slixmpp.xmlstream import ElementBase
  10
  11
  12 class Signed(ElementBase):
  13     name = 'x'
  14     namespace = 'jabber:x:signed'
  15     plugin_attrib = 'signed'
  16     interfaces = set(['signed'])
  17     is_extension = True
  18
  19     def set_signed(self, value):
  20         parent = self.parent()
  21         xmpp = parent.stream
  22         data = xmpp['xep_0027'].sign(value, parent['from'])
  23         if data:
  24             self.xml.text = data
  25         else:
  26             del parent['signed']
  27
  28     def get_signed(self):
  29         return self.xml.text
  30
  31
  32 class Encrypted(ElementBase):
  33     name = 'x'
  34     namespace = 'jabber:x:encrypted'
  35     plugin_attrib = 'encrypted'
  36     interfaces = set(['encrypted'])
  37     is_extension = True
  38
  39     def set_encrypted(self, value):
  40         parent = self.parent()
  41         xmpp = parent.stream
  42         data = xmpp['xep_0027'].encrypt(value, parent['to'])
  43         if data:
  44             self.xml.text = data
  45         else:
  46             del parent['encrypted']
  47
  48     def get_encrypted(self):
  49         parent = self.parent()
  50         xmpp = parent.stream
  51         if self.xml.text:
  52             return xmpp['xep_0027'].decrypt(self.xml.text, parent['to'])
  53         return None