3 # Copyright (C) 2014 Ipsilon project Contributors, for license see COPYING
6 from ipsilon.tools.certs import Certificate
12 'email': lasso.SAML2_NAME_IDENTIFIER_FORMAT_EMAIL,
13 'encrypted': lasso.SAML2_NAME_IDENTIFIER_FORMAT_ENCRYPTED,
14 'entity': lasso.SAML2_NAME_IDENTIFIER_FORMAT_ENTITY,
15 'kerberos': lasso.SAML2_NAME_IDENTIFIER_FORMAT_KERBEROS,
16 'persistent': lasso.SAML2_NAME_IDENTIFIER_FORMAT_PERSISTENT,
17 'transient': lasso.SAML2_NAME_IDENTIFIER_FORMAT_TRANSIENT,
18 'unspecified': lasso.SAML2_NAME_IDENTIFIER_FORMAT_UNSPECIFIED,
19 'windows': lasso.SAML2_NAME_IDENTIFIER_FORMAT_WINDOWS,
20 'x509': lasso.SAML2_NAME_IDENTIFIER_FORMAT_X509,
24 'sso-post': ('SingleSignOnService',
25 lasso.SAML2_METADATA_BINDING_POST),
26 'sso-redirect': ('SingleSignOnService',
27 lasso.SAML2_METADATA_BINDING_REDIRECT),
28 'sso-soap': ('SingleSignOnService',
29 lasso.SAML2_METADATA_BINDING_SOAP),
30 'logout-redirect': ('SingleLogoutService',
31 lasso.SAML2_METADATA_BINDING_REDIRECT),
32 'slo-soap': ('SingleLogoutService',
33 lasso.SAML2_METADATA_BINDING_SOAP),
34 'response-post': ('AssertionConsumerService',
35 lasso.SAML2_METADATA_BINDING_POST)
38 EDESC = '{%s}EntityDescriptor' % lasso.SAML2_METADATA_HREF
40 'md': lasso.SAML2_METADATA_HREF,
44 IDPDESC = 'IDPSSODescriptor'
45 SPDESC = 'SPSSODescriptor'
51 # Expire metadata weekly by default
55 def mdElement(_parent, _tag, **kwargs):
56 tag = '{%s}%s' % (lasso.SAML2_METADATA_HREF, _tag)
57 return etree.SubElement(_parent, tag, **kwargs)
60 def dsElement(_parent, _tag, **kwargs):
61 tag = '{%s}%s' % (lasso.DS_HREF, _tag)
62 return etree.SubElement(_parent, tag, **kwargs)
65 class Metadata(object):
67 def __init__(self, role=None, expiration=None):
68 self.root = etree.Element(EDESC, nsmap=NSMAP)
72 self.set_expiration(expiration)
74 def set_entity_id(self, url):
76 self.root.set('entityID', url)
78 def set_role(self, role):
81 elif role == IDP_ROLE:
86 raise ValueError('invalid role: %s' % role)
87 self.role = mdElement(self.root, description)
88 self.role.set('protocolSupportEnumeration', lasso.SAML2_PROTOCOL_HREF)
90 self.role.set('WantAuthnRequestsSigned', 'true')
93 def set_expiration(self, exp):
95 self.root.set('cacheDuration', "P%dD" % (MIN_EXP_DEFAULT))
97 elif isinstance(exp, datetime.date):
98 d = datetime.datetime.combine(exp, datetime.date.min.time())
99 elif isinstance(exp, datetime.datetime):
101 elif isinstance(exp, datetime.timedelta):
102 d = datetime.datetime.utcnow() + exp
104 raise TypeError('Invalid expiration date type')
106 self.root.set('validUntil', d.isoformat() + 'Z')
108 def add_cert(self, certdata, use):
109 desc = mdElement(self.role, 'KeyDescriptor')
111 info = dsElement(desc, 'KeyInfo')
112 data = dsElement(info, 'X509Data')
113 cert = dsElement(data, 'X509Certificate')
116 def add_certs(self, signcert=None, enccert=None):
118 self.add_cert(signcert.get_cert(), 'signing')
120 self.add_cert(enccert.get_cert(), 'encryption')
122 def add_service(self, service, location, **kwargs):
123 svc = mdElement(self.role, service[0])
124 svc.set('Binding', service[1])
125 svc.set('Location', location)
126 for key, value in kwargs.iteritems():
129 def add_allowed_name_format(self, name_format):
130 nameidfmt = mdElement(self.role, 'NameIDFormat')
131 nameidfmt.text = name_format
133 def output(self, path=None):
134 data = etree.tostring(self.root, xml_declaration=True,
135 encoding='UTF-8', pretty_print=True)
139 with open(path, 'w') as f:
143 if __name__ == '__main__':
148 tmpdir = tempfile.mkdtemp()
151 # Test IDP generation
152 sign_cert = Certificate(tmpdir)
153 sign_cert.generate('idp-signing-cert', 'idp.ipsilon.example.com')
154 enc_cert = Certificate(tmpdir)
155 enc_cert.generate('idp-encryption-cert', 'idp.ipsilon.example.com')
157 idp.set_entity_id('https://ipsilon.example.com/idp/metadata')
158 idp.set_role(IDP_ROLE)
159 idp.add_certs(sign_cert, enc_cert)
160 idp.add_service(SAML2_SERVICE_MAP['sso-post'],
161 'https://ipsilon.example.com/idp/saml2/POST')
162 idp.add_service(SAML2_SERVICE_MAP['sso-redirect'],
163 'https://ipsilon.example.com/idp/saml2/Redirect')
164 for k in SAML2_NAMEID_MAP:
165 idp.add_allowed_name_format(SAML2_NAMEID_MAP[k])
166 md_file = os.path.join(tmpdir, 'metadata.xml')
168 with open(md_file) as fd:
170 print '==================== IDP ===================='
172 print '============================================='
175 sign_cert = Certificate(tmpdir)
176 sign_cert.generate('sp-signing-cert', 'sp.ipsilon.example.com')
178 sp.set_entity_id('https://ipsilon.example.com/samlsp/metadata')
180 sp.add_certs(sign_cert)
181 sp.add_service(SAML2_SERVICE_MAP['logout-redirect'],
182 'https://ipsilon.example.com/samlsp/logout')
183 sp.add_service(SAML2_SERVICE_MAP['response-post'],
184 'https://ipsilon.example.com/samlsp/postResponse')
185 md_file = os.path.join(tmpdir, 'metadata.xml')
187 with open(md_file) as fd:
189 print '===================== SP ===================='
191 print '============================================='
194 shutil.rmtree(tmpdir)