# copyright 2003-2010 LOGILAB S.A. (Paris, FRANCE), all rights reserved.

# contact http://www.logilab.fr/ -- mailto:contact@logilab.fr

#

# This file is part of CubicWeb.

#

# CubicWeb is free software: you can redistribute it and/or modify it under the

# terms of the GNU Lesser General Public License as published by the Free

# Software Foundation, either version 2.1 of the License, or (at your option)

# any later version.

#

# CubicWeb 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 Lesser General Public License for more

# details.

#

# You should have received a copy of the GNU Lesser General Public License along

# with CubicWeb.  If not, see <http://www.gnu.org/licenses/>.

"""cubicweb.server.sources.ldapusers unit and functional tests"""

import socket

from logilab.common.testlib import TestCase, unittest_main, mock_object

from cubicweb.devtools.testlib import CubicWebTC

from cubicweb.devtools.repotest import RQLGeneratorTC

from cubicweb.server.sources.ldapuser import *

if '17.1' in socket.gethostbyname('ldap1'):

    SYT = 'syt'

    SYT_EMAIL = 'Sylvain Thenault'

    ADIM = 'adim'

    CONFIG = u'''host=ldap1

user-base-dn=ou=People,dc=logilab,dc=fr

user-scope=ONELEVEL

user-classes=top,posixAccount

user-login-attr=uid

user-default-group=users

user-attrs-map=gecos:email,uid:login

'''

else:

    SYT = 'sthenault'

    SYT_EMAIL = 'sylvain.thenault@logilab.fr'

    ADIM = 'adimascio'

    CONFIG = u'''host=ldap1

user-base-dn=ou=People,dc=logilab,dc=net

user-scope=ONELEVEL

user-classes=top,OpenLDAPperson

user-login-attr=uid

user-default-group=users

user-attrs-map=mail:email,uid:login

'''

def nopwd_authenticate(self, session, login, password):

    """used to monkey patch the source to get successful authentication without

    upassword checking

    """

    assert login, 'no login!'

    searchfilter = [filter_format('(%s=%s)', (self.user_login_attr, login))]

    searchfilter.extend([filter_format('(%s=%s)', ('objectClass', o))

                         for o in self.user_classes])

    searchstr = '(&%s)' % ''.join(searchfilter)

    # first search the user

    try:

        user = self._search(session, self.user_base_dn, self.user_base_scope,

                            searchstr)[0]

    except IndexError:

        # no such user

        raise AuthenticationError()

    # don't check upassword !

    return self.extid2eid(user['dn'], 'CWUser', session)

    global repo

    LDAPUserSourceTC._init_repo()

    repo = LDAPUserSourceTC.repo

    add_ldap_source(LDAPUserSourceTC.cnx)

    global repo

    repo.shutdown()

    del repo

def add_ldap_source(cnx):

    cnx.request().create_entity('CWSource', name=u'ldapuser', type=u'ldapuser',

                                config=CONFIG)

    cnx.commit()

    # XXX: need this first query else we get 'database is locked' from

    # sqlite since it doesn't support multiple connections on the same

    # database

    # so doing, ldap inserted users don't get removed between each test

    rset = cnx.cursor().execute('CWUser X')

    # check we get some users from ldap

    assert len(rset) > 1

class LDAPUserSourceTC(CubicWebTC):

    def patch_authenticate(self):

        self._orig_authenticate = LDAPUserSource.authenticate

        LDAPUserSource.authenticate = nopwd_authenticate

    def tearDown(self):

        if hasattr(self, '_orig_authenticate'):

            LDAPUserSource.authenticate = self._orig_authenticate

        CubicWebTC.tearDown(self)

    def test_authenticate(self):

        source = self.repo.sources_by_uri['ldapuser']

        self.session.set_pool()

        self.assertRaises(AuthenticationError,

                          source.authenticate, self.session, 'toto', 'toto')

    def test_synchronize(self):

        source = self.repo.sources_by_uri['ldapuser']

        source.synchronize()

    def test_base(self):

        # check a known one

        e = self.sexecute('CWUser X WHERE X login %(login)s', {'login': SYT}).get_entity(0, 0)

        self.assertEqual(e.login, SYT)

        e.complete()

        self.assertEqual(e.creation_date, None)

        self.assertEqual(e.modification_date, None)

        self.assertEqual(e.firstname, None)

        self.assertEqual(e.surname, None)

        self.assertEqual(e.in_group[0].name, 'users')

        self.assertEqual(e.owned_by[0].login, SYT)

        self.assertEqual(e.created_by, ())

        self.assertEqual(e.primary_email[0].address, SYT_EMAIL)

        # email content should be indexed on the user

        rset = self.sexecute('CWUser X WHERE X has_text "thenault"')

        self.assertEqual(rset.rows, [[e.eid]])

    def test_not(self):

        eid = self.sexecute('CWUser X WHERE X login %(login)s', {'login': SYT})[0][0]

        rset = self.sexecute('CWUser X WHERE NOT X eid %s' % eid)

        self.assert_(rset)

        self.assert_(not eid in (r[0] for r in rset))

    def test_multiple(self):

        seid = self.sexecute('CWUser X WHERE X login %(login)s', {'login': SYT})[0][0]

        aeid = self.sexecute('CWUser X WHERE X login %(login)s', {'login': ADIM})[0][0]

        rset = self.sexecute('CWUser X, Y WHERE X login %(syt)s, Y login %(adim)s',

                            {'syt': SYT, 'adim': ADIM})

        self.assertEqual(rset.rows, [[seid, aeid]])

        rset = self.sexecute('Any X,Y,L WHERE X login L, X login %(syt)s, Y login %(adim)s',

                            {'syt': SYT, 'adim': ADIM})

        self.assertEqual(rset.rows, [[seid, aeid, SYT]])

    def test_in(self):

        seid = self.sexecute('CWUser X WHERE X login %(login)s', {'login': SYT})[0][0]

        aeid = self.sexecute('CWUser X WHERE X login %(login)s', {'login': ADIM})[0][0]

        rset = self.sexecute('Any X,L ORDERBY L WHERE X login IN("%s", "%s"), X login L' % (SYT, ADIM))

        self.assertEqual(rset.rows, [[aeid, ADIM], [seid, SYT]])

    def test_relations(self):

        eid = self.sexecute('CWUser X WHERE X login %(login)s', {'login': SYT})[0][0]

        rset = self.sexecute('Any X,E WHERE X is CWUser, X login L, X primary_email E')

        self.assert_(eid in (r[0] for r in rset))

        rset = self.sexecute('Any X,L,E WHERE X is CWUser, X login L, X primary_email E')

        self.assert_(SYT in (r[1] for r in rset))

    def test_count(self):

        nbusers = self.sexecute('Any COUNT(X) WHERE X is CWUser')[0][0]

        # just check this is a possible number

        self.assert_(nbusers > 1, nbusers)

        self.assert_(nbusers < 30, nbusers)

    def test_upper(self):

        eid = self.sexecute('CWUser X WHERE X login %(login)s', {'login': SYT})[0][0]

        rset = self.sexecute('Any UPPER(L) WHERE X eid %s, X login L' % eid)

        self.assertEqual(rset[0][0], SYT.upper())

    def test_unknown_attr(self):

        eid = self.sexecute('CWUser X WHERE X login %(login)s', {'login': SYT})[0][0]

        rset = self.sexecute('Any L,C,M WHERE X eid %s, X login L, '

                            'X creation_date C, X modification_date M' % eid)

        self.assertEqual(rset[0][0], SYT)

        self.assertEqual(rset[0][1], None)

        self.assertEqual(rset[0][2], None)

    def test_sort(self):

        logins = [l for l, in self.sexecute('Any L ORDERBY L WHERE X login L')]

        self.assertEqual(logins, sorted(logins))

    def test_lower_sort(self):

        logins = [l for l, in self.sexecute('Any L ORDERBY lower(L) WHERE X login L')]

        self.assertEqual(logins, sorted(logins))

    def test_or(self):

        rset = self.sexecute('DISTINCT Any X WHERE X login %(login)s OR (X in_group G, G name "managers")',

                            {'login': SYT})

        self.assertEqual(len(rset), 2, rset.rows) # syt + admin

    def test_nonregr_set_owned_by(self):

        # test that when a user coming from ldap is triggering a transition

        # the related TrInfo has correct owner information

        self.sexecute('SET X in_group G WHERE X login %(syt)s, G name "managers"', {'syt': SYT})

        self.commit()

        syt = self.sexecute('CWUser X WHERE X login %(login)s', {'login': SYT}).get_entity(0, 0)

        self.assertEqual([g.name for g in syt.in_group], ['managers', 'users'])

        self.patch_authenticate()

        cnx = self.login(SYT, password='dummypassword')

        cu = cnx.cursor()

        adim = cu.execute('CWUser X WHERE X login %(login)s', {'login': ADIM}).get_entity(0, 0)

        iworkflowable = adim.cw_adapt_to('IWorkflowable')

        iworkflowable.fire_transition('deactivate')

        try:

            cnx.commit()

            adim.clear_all_caches()

            self.assertEqual(adim.in_state[0].name, 'deactivated')

            trinfo = iworkflowable.latest_trinfo()

            self.assertEqual(trinfo.owned_by[0].login, SYT)

            # select from_state to skip the user's creation TrInfo

            rset = self.sexecute('Any U ORDERBY D DESC WHERE WF wf_info_for X,'

                                'WF creation_date D, WF from_state FS,'

                                'WF owned_by U?, X eid %(x)s',

                                {'x': adim.eid})

            self.assertEqual(rset.rows, [[syt.eid]])

        finally:

            # restore db state

            self.restore_connection()

            adim = self.sexecute('CWUser X WHERE X login %(login)s', {'login': ADIM}).get_entity(0, 0)

            adim.cw_adapt_to('IWorkflowable').fire_transition('activate')

            self.sexecute('DELETE X in_group G WHERE X login %(syt)s, G name "managers"', {'syt': SYT})

    def test_same_column_names(self):

        self.sexecute('Any X, Y WHERE X copain Y, X login "comme", Y login "cochon"')

    def test_multiple_entities_from_different_sources(self):

        self.create_user('cochon')

        self.failUnless(self.sexecute('Any X,Y WHERE X login %(syt)s, Y login "cochon"', {'syt': SYT}))

    def test_exists1(self):

        self.session.set_pool()

        self.session.create_entity('CWGroup', name=u'bougloup1')

        self.session.create_entity('CWGroup', name=u'bougloup2')

        self.sexecute('SET U in_group G WHERE G name ~= "bougloup%", U login "admin"')

        self.sexecute('SET U in_group G WHERE G name = "bougloup1", U login %(syt)s', {'syt': SYT})

        rset = self.sexecute('Any L,SN ORDERBY L WHERE X in_state S, S name SN, X login L, EXISTS(X in_group G, G name ~= "bougloup%")')

        self.assertEqual(rset.rows, [['admin', 'activated'], [SYT, 'activated']])

    def test_exists2(self):

        self.create_user('comme')

        self.create_user('cochon')

        self.sexecute('SET X copain Y WHERE X login "comme", Y login "cochon"')

        rset = self.sexecute('Any GN ORDERBY GN WHERE X in_group G, G name GN, (G name "managers" OR EXISTS(X copain T, T login in ("comme", "cochon")))')

        self.assertEqual(rset.rows, [['managers'], ['users']])

    def test_exists3(self):

        self.create_user('comme')

        self.create_user('cochon')

        self.sexecute('SET X copain Y WHERE X login "comme", Y login "cochon"')

        self.failUnless(self.sexecute('Any X, Y WHERE X copain Y, X login "comme", Y login "cochon"'))

        self.sexecute('SET X copain Y WHERE X login %(syt)s, Y login "cochon"', {'syt': SYT})

        self.failUnless(self.sexecute('Any X, Y WHERE X copain Y, X login %(syt)s, Y login "cochon"', {'syt': SYT}))

        rset = self.sexecute('Any GN,L WHERE X in_group G, X login L, G name GN, G name "managers" OR EXISTS(X copain T, T login in ("comme", "cochon"))')

        self.assertEqual(sorted(rset.rows), [['managers', 'admin'], ['users', 'comme'], ['users', SYT]])

    def test_exists4(self):

        self.create_user('comme')

        self.create_user('cochon', groups=('users', 'guests'))

        self.create_user('billy')

        self.sexecute('SET X copain Y WHERE X login "comme", Y login "cochon"')

        self.sexecute('SET X copain Y WHERE X login "cochon", Y login "cochon"')

        self.sexecute('SET X copain Y WHERE X login "comme", Y login "billy"')

        self.sexecute('SET X copain Y WHERE X login %(syt)s, Y login "billy"', {'syt': SYT})

        # search for group name, login where

        #   CWUser copain with "comme" or "cochon" AND same login as the copain

        # OR

        #   CWUser in_state activated AND not copain with billy

        #

        # SO we expect everybody but "comme" and "syt"

        rset= self.sexecute('Any GN,L WHERE X in_group G, X login L, G name GN, '

                           'EXISTS(X copain T, T login L, T login in ("comme", "cochon")) OR '

                           'EXISTS(X in_state S, S name "activated", NOT X copain T2, T2 login "billy")')

        all = self.sexecute('Any GN, L WHERE X in_group G, X login L, G name GN')

        all.rows.remove(['users', 'comme'])

        all.rows.remove(['users', SYT])

        self.assertEqual(sorted(rset.rows), sorted(all.rows))

    def test_exists5(self):

        self.create_user('comme')

        self.create_user('cochon', groups=('users', 'guests'))

        self.create_user('billy')

        self.sexecute('SET X copain Y WHERE X login "comme", Y login "cochon"')

        self.sexecute('SET X copain Y WHERE X login "cochon", Y login "cochon"')

        self.sexecute('SET X copain Y WHERE X login "comme", Y login "billy"')

        self.sexecute('SET X copain Y WHERE X login %(syt)s, Y login "cochon"', {'syt': SYT})

        rset= self.sexecute('Any L WHERE X login L, '

                           'EXISTS(X copain T, T login in ("comme", "cochon")) AND '

                           'NOT EXISTS(X copain T2, T2 login "billy")')

        self.assertEqual(sorted(rset.rows), [['cochon'], [SYT]])

        rset= self.sexecute('Any GN,L WHERE X in_group G, X login L, G name GN, '

                           'EXISTS(X copain T, T login in ("comme", "cochon")) AND '

                           'NOT EXISTS(X copain T2, T2 login "billy")')

        self.assertEqual(sorted(rset.rows), [['guests', 'cochon'],

                                              ['users', 'cochon'],

                                              ['users', SYT]])

    def test_cd_restriction(self):

        rset = self.sexecute('CWUser X WHERE X creation_date > "2009-02-01"')

        # admin/anon but no ldap user since it doesn't support creation_date

        self.assertEqual(sorted(e.login for e in rset.entities()),

                          ['admin', 'anon'])

    def test_union(self):

        afeids = self.sexecute('State X')

        ueids = self.sexecute('CWUser X')

        rset = self.sexecute('(Any X WHERE X is State) UNION (Any X WHERE X is CWUser)')

        self.assertEqual(sorted(r[0] for r in rset.rows),

                          sorted(r[0] for r in afeids + ueids))

    def _init_security_test(self):

        self.create_user('iaminguestsgrouponly', groups=('guests',))

        cnx = self.login('iaminguestsgrouponly')

        return cnx.cursor()

    def test_security1(self):

        cu = self._init_security_test()

        rset = cu.execute('CWUser X WHERE X login %(login)s', {'login': SYT})

        self.assertEqual(rset.rows, [])

        rset = cu.execute('Any X WHERE X login "iaminguestsgrouponly"')

        self.assertEqual(len(rset.rows), 1)

    def test_security2(self):

        cu = self._init_security_test()

        rset = cu.execute('Any X WHERE X has_text %(syt)s', {'syt': SYT})

        self.assertEqual(rset.rows, [])

        rset = cu.execute('Any X WHERE X has_text "iaminguestsgrouponly"')

        self.assertEqual(len(rset.rows), 1)

    def test_security3(self):

        cu = self._init_security_test()

        rset = cu.execute('Any F WHERE X has_text %(syt)s, X firstname F', {'syt': SYT})

        self.assertEqual(rset.rows, [])

        rset = cu.execute('Any F WHERE X has_text "iaminguestsgrouponly", X firstname F')

        self.assertEqual(rset.rows, [[None]])

    def test_nonregr1(self):

        self.sexecute('Any X,AA ORDERBY AA DESC WHERE E eid %(x)s, E owned_by X, '

                     'X modification_date AA',

                     {'x': self.session.user.eid})

    def test_nonregr2(self):

        self.sexecute('Any X,L,AA WHERE E eid %(x)s, E owned_by X, '

                     'X login L, X modification_date AA',

                     {'x': self.session.user.eid})