146 lines
4.0 KiB
Python
146 lines
4.0 KiB
Python
# vim: tabstop=4 shiftwidth=4 softtabstop=4
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# Copyright 2010 United States Government as represented by the
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# Administrator of the National Aeronautics and Space Administration.
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# All Rights Reserved.
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#
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# Copyright 2010 Anso Labs, LLC
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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"""
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Fake LDAP server for test harnesses.
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"""
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import logging
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from nova import datastore
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SCOPE_SUBTREE = 1
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MOD_ADD = 0
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MOD_DELETE = 1
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SUBS = {
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'groupOfNames': ['novaProject']
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}
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class NO_SUCH_OBJECT(Exception):
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pass
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def initialize(uri):
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return FakeLDAP(uri)
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class FakeLDAP(object):
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def __init__(self, _uri):
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self.keeper = datastore.Keeper('fakeldap')
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if self.keeper['objects'] is None:
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self.keeper['objects'] = {}
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def simple_bind_s(self, dn, password):
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pass
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def unbind_s(self):
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pass
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def _paren_groups(self, source):
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count = 0
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start = 0
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result = []
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for pos in xrange(len(source)):
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if source[pos] == '(':
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if count == 0:
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start = pos
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count += 1
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if source[pos] == ')':
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count -= 1
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if count == 0:
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result.append(source[start:pos+1])
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def _match_query(self, query, attrs):
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inner = query[1:-1]
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if inner.startswith('&'):
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l, r = self._paren_groups(inner[1:])
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return self._match_query(l, attrs) and self._match_query(r, attrs)
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if inner.startswith('|'):
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l, r = self._paren_groups(inner[1:])
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return self._match_query(l, attrs) or self._match_query(r, attrs)
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if inner.startswith('!'):
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return not self._match_query(query[2:-1], attrs)
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(k, sep, v) = inner.partition('=')
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return self._match(k, v, attrs)
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def _subs(self, v):
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if v in SUBS:
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return [v] + SUBS[v]
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return [v]
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def _match(self, k, v, attrs):
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if attrs.has_key(k):
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for v in self._subs(v):
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if (v in attrs[k]):
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return True
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return False
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def search_s(self, dn, scope, query=None, fields=None):
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#logging.debug("searching for %s" % dn)
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filtered = {}
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d = self.keeper['objects'] or {}
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for cn, attrs in d.iteritems():
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if cn[-len(dn):] == dn:
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filtered[cn] = attrs
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objects = filtered
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if query:
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objects = {}
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for cn, attrs in filtered.iteritems():
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if self._match_query(query, attrs):
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objects[cn] = attrs
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if objects == {}:
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raise NO_SUCH_OBJECT()
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return objects.items()
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def add_s(self, cn, attr):
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#logging.debug("adding %s" % cn)
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stored = {}
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for k, v in attr:
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if type(v) is list:
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stored[k] = v
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else:
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stored[k] = [v]
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d = self.keeper['objects']
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d[cn] = stored
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self.keeper['objects'] = d
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def delete_s(self, cn):
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logging.debug("deleting %s" % cn)
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d = self.keeper['objects']
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del d[cn]
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self.keeper['objects'] = d
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def modify_s(self, cn, attr):
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logging.debug("modifying %s" % cn)
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d = self.keeper['objects']
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for cmd, k, v in attr:
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logging.debug("command %s" % cmd)
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if cmd == MOD_ADD:
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d[cn][k].append(v)
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else:
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d[cn][k].remove(v)
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self.keeper['objects'] = d
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