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#! /usr/bin/env python
# -*- coding: UTF-8 -*-


# Python unit tests for Lasso library
# By: Frederic Peters <fpeters@entrouvert.com>
#     Emmanuel Raviart <eraviart@entrouvert.com>
#
# Copyright (C) 2004 Entr'ouvert
# http://lasso.entrouvert.org
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
# 
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
# 
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA


import os
import unittest
import sys

if not '..' in sys.path:
    sys.path.insert(0, '..')
if not '../.libs' in sys.path:
    sys.path.insert(0, '../.libs')

import lasso


try:
    dataDir
except NameError:
    dataDir = '../../tests/data'


class LoginTestCase(unittest.TestCase):
    def test01(self):
        """SP login; testing access to authentication request."""

        lassoServer = lasso.Server(
            os.path.join(dataDir, 'sp1-la/metadata.xml'),
            None, # os.path.join(dataDir, 'sp1-la/public-key.pem') is no more used
            os.path.join(dataDir, 'sp1-la/private-key-raw.pem'),
            os.path.join(dataDir, 'sp1-la/certificate.pem'),
            lasso.signatureMethodRsaSha1)
        lassoServer.add_provider(
            os.path.join(dataDir, 'idp1-la/metadata.xml'),
            os.path.join(dataDir, 'idp1-la/public-key.pem'),
            os.path.join(dataDir, 'idp1-la/certificate.pem'))
        login = lasso.Login(lassoServer)
        login.init_authn_request(lasso.httpMethodRedirect)
        self.failUnlessEqual(login.request_type, lasso.messageTypeAuthnRequest)
        login.authn_request
        login.authn_request.set_protocolProfile(lasso.libProtocolProfileBrwsArt)


class LogoutTestCase(unittest.TestCase):
    def test01(self):
        """SP logout without session and indentity; testing init_request."""

        lassoServer = lasso.Server(
            os.path.join(dataDir, 'sp1-la/metadata.xml'),
            None, # os.path.join(dataDir, 'sp1-la/public-key.pem') is no more used
            os.path.join(dataDir, 'sp1-la/private-key-raw.pem'),
            os.path.join(dataDir, 'sp1-la/certificate.pem'),
            lasso.signatureMethodRsaSha1)
        lassoServer.add_provider(
            os.path.join(dataDir, 'idp1-la/metadata.xml'),
            os.path.join(dataDir, 'idp1-la/public-key.pem'),
            os.path.join(dataDir, 'idp1-la/certificate.pem'))
        logout = lasso.Logout(lassoServer, lasso.providerTypeSp)
        try:
            logout.init_request()
        except lasso.Error, error:
            if error.code != -1:
                raise
        else:
            self.fail('logout.init_request without having set identity before should fail')

    def test02(self):
        """IDP logout without session and identity; testing logout.get_next_providerID."""

        lassoServer = lasso.Server(
            os.path.join(dataDir, 'idp1-la/metadata.xml'),
            None, # os.path.join(dataDir, 'idp1-la/public-key.pem') is no more used
            os.path.join(dataDir, 'idp1-la/private-key-raw.pem'),
            os.path.join(dataDir, 'idp1-la/certificate.pem'),
            lasso.signatureMethodRsaSha1)
        lassoServer.add_provider(
            os.path.join(dataDir, 'sp1-la/metadata.xml'),
            os.path.join(dataDir, 'sp1-la/public-key.pem'),
            os.path.join(dataDir, 'sp1-la/certificate.pem'))
        logout = lasso.Logout(lassoServer, lasso.providerTypeIdp)
        self.failIf(logout.get_next_providerID())


class DefederationTestCase(unittest.TestCase):
    def test01(self):
        """IDP initiated defederation; testing process_notification_msg with non Liberty query."""

        lassoServer = lasso.Server(
            os.path.join(dataDir, 'idp1-la/metadata.xml'),
            None, # os.path.join(dataDir, 'idp1-la/public-key.pem') is no more used
            os.path.join(dataDir, 'idp1-la/private-key-raw.pem'),
            os.path.join(dataDir, 'idp1-la/certificate.pem'),
            lasso.signatureMethodRsaSha1)
        lassoServer.add_provider(
            os.path.join(dataDir, 'sp1-la/metadata.xml'),
            os.path.join(dataDir, 'sp1-la/public-key.pem'),
            os.path.join(dataDir, 'sp1-la/certificate.pem'))
        defederation = lasso.Defederation(lassoServer, lasso.providerTypeIdp)
        # The process_notification_msg should failt but not abort.
        try:
            defederation.process_notification_msg('nonLibertyQuery=1', lasso.httpMethodRedirect)
        except lasso.Error, error:
            pass
        else:
            self.fail('Defederation process_notification_msg should have failed.')


suite1 = unittest.makeSuite(LoginTestCase, 'test')
suite2 = unittest.makeSuite(LogoutTestCase, 'test')
suite3 = unittest.makeSuite(DefederationTestCase, 'test')

allTests = unittest.TestSuite((suite1, suite2, suite3))

if __name__ == '__main__':
    sys.exit(not unittest.TextTestRunner(verbosity = 2).run(allTests).wasSuccessful())