1 # Copyright (C) 2014 Simo Sorce <simo@redhat.com>
3 # see file 'COPYING' for use and warranty information
5 # This program is free software; you can redistribute it and/or modify
6 # it under the terms of the GNU General Public License as published by
7 # the Free Software Foundation, either version 3 of the License, or
8 # (at your option) any later version.
10 # This program is distributed in the hope that it will be useful,
11 # but WITHOUT ANY WARRANTY; without even the implied warranty of
12 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 # GNU General Public License for more details.
15 # You should have received a copy of the GNU General Public License
16 # along with this program. If not, see <http://www.gnu.org/licenses/>.
18 from ipsilon.providers.common import ProviderException
19 from ipsilon.tools.saml2metadata import SAML2_NAMEID_MAP
20 from ipsilon.util.log import Log
25 VALID_IN_NAME = r'[^\ a-zA-Z0-9]'
28 class InvalidProviderId(ProviderException):
30 def __init__(self, code):
31 message = 'Invalid Provider ID: %s' % code
32 super(InvalidProviderId, self).__init__(message)
36 class NameIdNotAllowed(Exception):
38 def __init__(self, nid):
39 message = 'Name ID [%s] is not allowed' % nid
40 super(NameIdNotAllowed, self).__init__(message)
41 self.message = message
44 return repr(self.message)
47 class ServiceProvider(Log):
49 def __init__(self, config, provider_id):
51 data = self.cfg.get_data(name='id', value=provider_id)
53 raise InvalidProviderId('multiple matches')
54 idval = data.keys()[0]
55 data = self.cfg.get_data(idval=idval)
56 self._properties = data[idval]
57 self._staging = dict()
60 def provider_id(self):
61 return self._properties['id']
65 return self._properties['name']
68 def name(self, value):
69 self._staging['name'] = value
73 if 'owner' in self._properties:
74 return self._properties['owner']
79 def owner(self, value):
80 self._staging['owner'] = value
83 def allowed_nameids(self):
84 if 'allowed nameids' in self._properties:
85 allowed = self._properties['allowed nameids']
86 return [x.strip() for x in allowed.split(',')]
88 return self.cfg.default_allowed_nameids
90 @allowed_nameids.setter
91 def allowed_nameids(self, value):
92 if type(value) is not list:
93 raise ValueError("Must be a list")
94 self._staging['allowed nameids'] = ','.join(value)
97 def default_nameid(self):
98 if 'default nameid' in self._properties:
99 return self._properties['default nameid']
101 return self.cfg.default_nameid
103 @default_nameid.setter
104 def default_nameid(self, value):
105 self._staging['default nameid'] = value
107 def save_properties(self):
108 data = self.cfg.get_data(name='id', value=self.provider_id)
110 raise InvalidProviderId('Could not find SP data')
111 idval = data.keys()[0]
113 data[idval] = self._staging
114 self.cfg.save_data(data)
115 data = self.cfg.get_data(idval=idval)
116 self._properties = data[idval]
117 self._staging = dict()
119 def get_valid_nameid(self, nip):
120 self._debug('Requested NameId [%s]' % (nip.format,))
121 if nip.format is None:
122 return SAML2_NAMEID_MAP[self.default_nameid]
124 allowed = self.allowed_nameids
125 self._debug('Allowed NameIds %s' % (repr(allowed)))
126 for nameid in allowed:
127 if nip.format == SAML2_NAMEID_MAP[nameid]:
129 raise NameIdNotAllowed(nip.format)
131 def permanently_delete(self):
132 data = self.cfg.get_data(name='id', value=self.provider_id)
134 raise InvalidProviderId('Could not find SP data')
135 idval = data.keys()[0]
136 self.cfg.del_datum(idval)
138 def normalize_username(self, username):
139 if 'strip domain' in self._properties:
140 return username.split('@', 1)[0]
143 def is_valid_name(self, value):
144 if re.search(VALID_IN_NAME, value):
148 def is_valid_nameid(self, value):
149 if value in SAML2_NAMEID_MAP:
153 def valid_nameids(self):
154 return SAML2_NAMEID_MAP.keys()
157 class ServiceProviderCreator(object):
159 def __init__(self, config):
162 def create_from_buffer(self, name, metabuf):
163 '''Test and add data'''
165 if re.search(VALID_IN_NAME, name):
166 raise InvalidProviderId("Name must contain only "
167 "numbers and letters")
169 test = lasso.Server()
170 test.addProviderFromBuffer(lasso.PROVIDER_ROLE_SP, metabuf)
171 newsps = test.get_providers()
173 raise InvalidProviderId("Metadata must contain one Provider")
175 spid = newsps.keys()[0]
176 data = self.cfg.get_data(name='id', value=spid)
178 raise InvalidProviderId("Provider Already Exists")
179 datum = {'id': spid, 'name': name, 'type': 'SP', 'metadata': metabuf}
180 self.cfg.new_datum(datum)
182 data = self.cfg.get_data(name='id', value=spid)
184 raise InvalidProviderId("Internal Error")
185 idval = data.keys()[0]
186 data = self.cfg.get_data(idval=idval)
188 self.cfg.idp.add_provider(sp)
190 return ServiceProvider(self.cfg, spid)
193 class IdentityProvider(Log):
194 def __init__(self, config):
195 self.server = lasso.Server(config.idp_metadata_file,
198 config.idp_certificate_file)
199 self.server.role = lasso.PROVIDER_ROLE_IDP
201 def add_provider(self, sp):
202 self.server.addProviderFromBuffer(lasso.PROVIDER_ROLE_SP,
204 self._debug('Added SP %s' % sp['name'])
206 def get_login_handler(self, dump=None):
208 return lasso.Login.newFromDump(self.server, dump)
210 return lasso.Login(self.server)
212 def get_providers(self):
213 return self.server.get_providers()
215 def get_logout_handler(self, dump=None):
217 return lasso.Logout.newFromDump(self.server, dump)
219 return lasso.Logout(self.server)