MoinMoin: attachment:usage.py of BlackList

   1 # Add to moin config
   2 
   3 # Security policy
   4 # Tested only with moin 1.1
   5 try:
   6     import cPickle as pickle
   7 except ImportError:
   8     import pickle
   9 from blacklist import blacklist
  10 from MoinMoin import security
  11 
  12 
  13 class SecurityPolicy(security.Default):
  14     def __init__(self, user):
  15         security.Default.__init__(self, user)
  16         self.loadBlacklist()
  17                  
  18     def edit(self, pagename, **kw):
  19         """ Extend the default edit permissions """
  20 
  21         # blacklist only non users
  22         if not self.user.valid and hasattr(self, 'blacklist'):
  23             # Needed for moin 1.1 compatibility
  24             if not hasattr(self.user._request, 'remote_addr'):
  25                 import os
  26                 self.user._request.remote_addr = os.environ.get('REMOTE_ADDR', '')
  27             # Blacklist
  28             if self.user._request.remote_addr in self.blacklist:
  29                 return 0
  30         
  31         # Use standard permissions
  32         return security.Default.edit(self, pagename, **kw)
  33         
  34     def loadBlacklist(self):
  35         """ Load data from file or wiki page """
  36         import sys
  37         blacklistFile = 'blacklist.cache'
  38         try:
  39             self.blacklist = pickle.load(file(blacklistFile))
  40         except (IOError, OSError, pickle.UnpicklingError), why:
  41             # Read the data from a text file, or better from 
  42             # a wiki page.
  43             sys.stderr.write('load blacklist failed %s:' % str(why))
  44             text = file('blacklist.txt').read()
  45             self.blacklist = blacklist.BlackList(text)
  46             try:
  47                 pickle.dump(self.blacklist, file(blacklistFile, 'w'))
  48             except (IOError, pickle.PicklingError), why:
  49                 sys.stderr.write('cache blacklist failed: %s' % str(why))