xmpp/jep0106.py

   1
   2 # JID Escaping XEP-0106 for the xmpppy based transports written by Norman Rasmussen
   3
   4 """This file is the XEP-0106 commands.
   5
   6 Implemented commands as follows:
   7
   8 4.2 Encode : Encoding Transformation
   9 4.3 Decode : Decoding Transformation
  10
  11
  12 """
  13
  14 xep0106mapping = [
  15         [' ' ,'20'],
  16         ['"' ,'22'],
  17         ['&' ,'26'],
  18         ['\'','27'],
  19         ['/' ,'2f'],
  20         [':' ,'3a'],
  21         ['<' ,'3c'],
  22         ['>' ,'3e'],
  23         ['@' ,'40']]
  24
  25 def JIDEncode(str):
  26         str = str.replace('\\5c', '\\5c5c')
  27         for each in xep0106mapping:
  28                 str = str.replace('\\' + each[1], '\\5c' + each[1])
  29         for each in xep0106mapping:
  30                 str = str.replace(each[0], '\\' + each[1])
  31         return str
  32
  33 def JIDDecode(str):
  34         for each in xep0106mapping:
  35                 str = str.replace('\\' + each[1], each[0])
  36         return str.replace('\\5c', '\\')
  37
  38 if __name__ == "__main__":
  39         def test(before,valid):
  40                 during = JIDEncode(before)
  41                 after = JIDDecode(during)
  42                 if during == valid and after == before:
  43                         print 'PASS Before: ' + before
  44                         print 'PASS During: ' + during
  45                 else:
  46                         print 'FAIL Before: ' + before
  47                         print 'FAIL During: ' + during
  48                         print 'FAIL After : ' + after
  49                 print
  50
  51         test('jid escaping',r'jid\20escaping')
  52         test(r'\3and\2is\[email protected]',r'\5c3and\2is\5\40example.com')
  53         test(r'\3catsand\2catsis\[email protected]',r'\5c3catsand\2catsis\5c5cats\40example.com')
  54         test(r'\2plus\2is\4',r'\2plus\2is\4')
  55         test(r'foo\bar',r'foo\bar')
  56         test(r'foob\41r',r'foob\41r')
  57         test('here\'s_a wild_&_/cr%zy/[email protected]',r'here\27s_a\20wild_\26_\2fcr%zy\2f_address\40example.com')