Fix generation of endopint URLs
[cascardo/ipsilon.git] / ipsilon / providers / saml2idp.py
index 3dda9e8..f37474d 100755 (executable)
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
 from ipsilon.providers.common import ProviderBase, ProviderPageBase
+from ipsilon.providers.common import FACILITY
 from ipsilon.providers.saml2.auth import AuthenticateRequest
+from ipsilon.providers.saml2.admin import AdminPage
+from ipsilon.providers.saml2.certs import Certificate
+from ipsilon.providers.saml2.provider import IdentityProvider
+from ipsilon.providers.saml2 import metadata
 from ipsilon.util.user import UserSession
+from ipsilon.util.plugin import PluginObject
 import cherrypy
 import lasso
+import pwd
 import os
 
 
@@ -70,7 +77,7 @@ class Continue(AuthenticateRequest):
             raise cherrypy.HTTPError(400)
 
         try:
-            login = lasso.Login.newFromDump(self.cfg.idp, dump)
+            login = self.cfg.idp.get_login_handler(dump)
         except Exception, e:  # pylint: disable=broad-except
             self._debug('Failed to load status from dump: %r' % e)
 
@@ -98,33 +105,23 @@ class SAML2(ProviderPageBase):
 
         # Init IDP data
         try:
-            self.cfg.idp = lasso.Server(self.cfg.idp_metadata_file,
-                                        self.cfg.idp_key_file,
-                                        None,
-                                        self.cfg.idp_certificate_file)
-            self.cfg.idp.role = lasso.PROVIDER_ROLE_IDP
+            self.cfg.idp = IdentityProvider(self.cfg)
         except Exception, e:  # pylint: disable=broad-except
-            self._debug('Failed to enable SAML2 provider: %r' % e)
+            self._debug('Failed to init SAML2 provider: %r' % e)
             return
 
         # Import all known applications
         data = self.cfg.get_data()
         for idval in data:
-            if 'type' not in data[idval] or data[idval]['type'] != 'SP':
-                continue
-            path = os.path.join(self.cfg.idp_storage_path, str(idval))
             sp = data[idval]
-            if 'name' in sp:
-                name = sp['name']
-            else:
-                name = str(idval)
+            if 'type' not in sp or sp['type'] != 'SP':
+                continue
+            if 'name' not in sp or 'metadata' not in sp:
+                continue
             try:
-                meta = os.path.join(path, 'metadata.xml')
-                cert = os.path.join(path, 'certificate.pem')
-                self.cfg.idp.addProvider(lasso.PROVIDER_ROLE_SP, meta, cert)
-                self._debug('Added SP %s' % name)
+                self.cfg.idp.add_provider(sp)
             except Exception, e:  # pylint: disable=broad-except
-                self._debug('Failed to add SP %s: %r' % (name, e))
+                self._debug('Failed to add SP %s: %r' % (sp['name'], e))
 
         self.SSO = SSO(*args, **kwargs)
 
@@ -134,6 +131,7 @@ class IdpProvider(ProviderBase):
     def __init__(self):
         super(IdpProvider, self).__init__('saml2', 'saml2')
         self.page = None
+        self.idp = None
         self.description = """
 Provides SAML 2.0 authentication infrastructure. """
 
@@ -166,12 +164,17 @@ Provides SAML 2.0 authentication infrastructure. """
             'default allowed nameids': [
                 """Default Allowed NameIDs for Service Providers. """,
                 'list',
-                ['transient', 'email', 'kerberos', 'x509']
+                ['persistent', 'transient', 'email', 'kerberos', 'x509']
             ],
             'default nameid': [
                 """Default NameID used by Service Providers. """,
                 'string',
-                'email'
+                'persistent'
+            ],
+            'default email domain': [
+                """Default email domain, for users missing email property.""",
+                'string',
+                'example.com'
             ]
         }
 
@@ -206,6 +209,87 @@ Provides SAML 2.0 authentication infrastructure. """
     def default_nameid(self):
         return self.get_config_value('default nameid')
 
+    @property
+    def default_email_domain(self):
+        return self.get_config_value('default email domain')
+
     def get_tree(self, site):
         self.page = SAML2(site, self)
+        self.admin = AdminPage(site, self)
         return self.page
+
+
+class Installer(object):
+
+    def __init__(self):
+        self.name = 'saml2'
+        self.ptype = 'provider'
+
+    def install_args(self, group):
+        group.add_argument('--saml2', choices=['yes', 'no'], default='yes',
+                           help='Configure SAML2 Provider')
+        group.add_argument('--saml2-storage',
+                           default='/var/lib/ipsilon/saml2',
+                           help='SAML2 Provider storage area')
+
+    def configure(self, opts):
+        if opts['saml2'] != 'yes':
+            return
+
+        # Check storage path is present or create it
+        path = opts['saml2_storage']
+        if not os.path.exists(path):
+            os.makedirs(path, 0700)
+
+        # Use the same cert for signing and ecnryption for now
+        cert = Certificate(path)
+        cert.generate('idp', opts['hostname'])
+
+        # Generate Idp Metadata
+        url = 'https://' + opts['hostname'] + '/idp/saml2'
+        meta = metadata.Metadata(metadata.IDP_ROLE)
+        meta.set_entity_id(url + '/metadata')
+        meta.add_certs(cert, cert)
+        meta.add_service(metadata.SSO_SERVICE,
+                         lasso.SAML2_METADATA_BINDING_POST,
+                         url + 'SSO/POST')
+        meta.add_service(metadata.SSO_SERVICE,
+                         lasso.SAML2_METADATA_BINDING_REDIRECT,
+                         url + 'SSO/Redirect')
+
+        meta.add_allowed_name_format(
+            lasso.SAML2_NAME_IDENTIFIER_FORMAT_TRANSIENT)
+        meta.add_allowed_name_format(
+            lasso.SAML2_NAME_IDENTIFIER_FORMAT_PERSISTENT)
+        meta.add_allowed_name_format(
+            lasso.SAML2_NAME_IDENTIFIER_FORMAT_EMAIL)
+        if 'krb' in opts and opts['krb'] == 'yes':
+            meta.add_allowed_name_format(
+                lasso.SAML2_NAME_IDENTIFIER_FORMAT_KERBEROS)
+
+        meta.output(os.path.join(path, 'metadata.xml'))
+
+        # Add configuration data to database
+        po = PluginObject()
+        po.name = 'saml2'
+        po.wipe_data()
+
+        po.wipe_config_values(FACILITY)
+        config = {'idp storage path': path,
+                  'idp metadata file': 'metadata.xml',
+                  'idp certificate file': cert.cert,
+                  'idp key file': cert.key}
+        po.set_config(config)
+        po.save_plugin_config(FACILITY)
+
+        # Fixup permissions so only the ipsilon user can read these files
+        pw = pwd.getpwnam(opts['system_user'])
+        for root, dirs, files in os.walk(path):
+            for name in dirs:
+                target = os.path.join(root, name)
+                os.chown(target, pw.pw_uid, pw.pw_gid)
+                os.chmod(target, 0700)
+            for name in files:
+                target = os.path.join(root, name)
+                os.chown(target, pw.pw_uid, pw.pw_gid)
+                os.chmod(target, 0600)