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annotate MoinMoin/util/moinoid.py @ 3107:c6e39279f83b

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refactor logging usage
author Thomas Waldmann <tw AT waldmann-edv DOT de>
date Sat, 23 Feb 2008 22:59:30 +0100
parents c81b9c983b1d
children a48929a5036c
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2298
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1 """
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2 MoinMoin - OpenID utils
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3
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4 @copyright: 2006, 2007 Johannes Berg <johannes@sipsolutions.net>
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5 @license: GNU GPL, see COPYING for details.
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6 """
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7
3107
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8 from sha import sha
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9 from random import randint
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10 import time
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11
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12 from openid import oidutil
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13 from openid.store.interface import OpenIDStore
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14 from openid.association import Association
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15 from openid.store import nonce
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16
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17 from MoinMoin import caching
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18
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19 from MoinMoin.server import getLogger
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20 logging = getLogger(__name__)
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21
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22 # use this to temporarily and selectively enable debug logging for this module
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23 #logging.setLevel(logging.DEBUG)
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24
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25 # redirect openid logging to moin log
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26 def log(msg, level=0):
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27 logging.log(level, msg)
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28
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29 oidutil.log = log
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30
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31 def strbase64(value):
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32 from base64 import encodestring
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33 return encodestring(str(value)).replace('\n', '')
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34
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35
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36 def _cleanup_nonces(request):
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37 cachelist = caching.get_cache_list(request, 'openid-nonce', 'farm')
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38 # really openid should have a method to check this...
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39 texpired = time.time() - nonce.SKEW
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40 for name in cachelist:
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41 entry = caching.CacheEntry(request, 'openid-nonce', name,
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42 scope='farm', use_pickle=False)
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43 try:
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44 timestamp = int(entry.content())
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45 if timestamp < texpired:
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46 entry.remove()
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47 except caching.CacheError:
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48 pass
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49
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50
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51 class MoinOpenIDStore(OpenIDStore):
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52 '''OpenIDStore for MoinMoin'''
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53 def __init__(self, request):
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54 self.request = request
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55 OpenIDStore.__init__(self)
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56
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57 def key(self, url):
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58 '''return cache key'''
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59 return sha(url).hexdigest()
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60
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61 def storeAssociation(self, server_url, association):
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62 ce = caching.CacheEntry(self.request, 'openid', self.key(server_url),
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63 scope='wiki', use_pickle=True)
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64 if ce.exists():
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65 assocs = ce.content()
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66 else:
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67 assocs = []
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68 assocs += [association.serialize()]
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69 ce.update(assocs)
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70
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71 def getAssociation(self, server_url, handle=None):
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72 ce = caching.CacheEntry(self.request, 'openid', self.key(server_url),
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73 scope='wiki', use_pickle=True)
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74 if not ce.exists():
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75 return None
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76 assocs = ce.content()
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77 found = False
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78 for idx in xrange(len(assocs)-1, -1, -1):
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79 assoc_str = assocs[idx]
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80 association = Association.deserialize(assoc_str)
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81 if association.getExpiresIn() == 0:
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82 del assocs[idx]
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83 else:
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84 if handle is None or association.handle == handle:
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85 found = True
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86 break
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87 ce.update(assocs)
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88 if found:
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89 return association
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90 return None
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91
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92 def removeAssociation(self, server_url, handle):
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93 ce = caching.CacheEntry(self.request, 'openid', self.key(server_url),
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94 scope='wiki', use_pickle=True)
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95 if not ce.exists():
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96 return
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97 assocs = ce.content()
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98 for idx in xrange(len(assocs)-1, -1, -1):
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99 assoc_str = assocs[idx]
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100 association = Association.deserialize(assoc_str)
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101 if association.handle == handle:
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102 del assocs[idx]
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103 if len(assocs):
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104 ce.update(assocs)
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105 else:
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106 ce.remove()
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107
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108 def useNonce(self, server_url, timestamp, salt):
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109 val = ''.join([str(server_url), str(timestamp), str(salt)])
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110 csum = sha(val).hexdigest()
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111 ce = caching.CacheEntry(self.request, 'openid-nonce', csum,
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112 scope='farm', use_pickle=False)
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113 if ce.exists():
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114 # nonce already used!
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115 return False
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116 ce.update(str(timestamp))
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117 if randint(0, 999) == 0:
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118 self.request.add_finisher(_cleanup_nonces)
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119 return True