# Authors:
#   Rob Crittenden <rcritten@redhat.com>
#   Pavel Zuna <pzuna@redhat.com>
#   Jason Gerard DeRose <jderose@redhat.com>
#   Filip Skola <fskola@redhat.com>
#
# Copyright (C) 2008, 2009  Red Hat
# see file 'COPYING' for use and warranty information
#
# 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 3 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, see <http://www.gnu.org/licenses/>.

"""
Test the `ipaserver/plugins/user.py` module.
"""

import pytest
import base64
import datetime
import ldap
import re

from ipalib import api, errors
from ipaplatform.constants import constants as platformconstants
from ipapython import ipautil
from ipatests.test_xmlrpc import objectclasses
from ipatests.util import (
    assert_deepequal, assert_equal, assert_not_equal, raises)
from ipatests.test_xmlrpc.xmlrpc_test import (
    XMLRPC_test, fuzzy_digits, fuzzy_uuid, fuzzy_password,
    fuzzy_user_or_group_sid,
    Fuzzy, fuzzy_dergeneralizedtime, raises_exact)
from ipapython.dn import DN
from ipapython.ipaldap import ldap_initialize

from ipatests.test_xmlrpc.tracker.base import Tracker
from ipatests.test_xmlrpc.tracker.group_plugin import GroupTracker
from ipatests.test_xmlrpc.tracker.user_plugin import UserTracker

admin1 = u'admin'
admin_group = u'admins'

invaliduser1 = u'+tuser1'
invaliduser2 = u''.join(['a' for n in range(256)])

sshpubkey = (u'ssh-rsa AAAAB3NzaC1yc2EAAAADAQABAAABAQDGAX3xAeLeaJggwTqMjxNwa6X'
             'HBUAikXPGMzEpVrlLDCZtv00djsFTBi38PkgxBJVkgRWMrcBsr/35lq7P6w8KGI'
             'wA8GI48Z0qBS2NBMJ2u9WQ2hjLN6GdMlo77O0uJY3251p12pCVIS/bHRSq8kHO2'
             'No8g7KA9fGGcagPfQH+ee3t7HUkpbQkFTmbPPN++r3V8oVUk5LxbryB3UIIVzNm'
             'cSIn3JrXynlvui4MixvrtX6zx+O/bBo68o8/eZD26QrahVbA09fivrn/4h3TM01'
             '9Eu/c2jOdckfU3cHUV/3Tno5d6JicibyaoDDK7S/yjdn5jhaz8MSEayQvFkZkiF'
             '0L public key test')
sshpubkeyfp = (u'SHA256:cStA9o5TRSARbeketEOooMUMSWRSsArIAXloBZ4vNsE '
               'public key test (ssh-rsa)')

validlanguages = {
    u'en-US;q=0.987 , en, abcdfgh-abcdefgh;q=1        , a;q=1.000',
    u'*'
    }

invalidlanguages = {
    u'abcdfghji-abcdfghji', u'en-us;q=0,123',
    u'en-us;q=0.1234', u'en-us;q=1.1', u'en-us;q=1.0000'
    }

now = datetime.datetime.now().replace(microsecond=0)
principal_expiration_date = now + datetime.timedelta(days=365)
principal_expiration_string = principal_expiration_date.strftime(
    "%Y-%m-%dT%H:%M:%SZ")

invalid_expiration_string = "2020-12-07 19:54:13"
expired_expiration_string = "1991-12-07T19:54:13Z"

# Date in ISO format (2013-12-10T12:00:00)
isodate_re = re.compile(r'^\d{4}-\d{2}-\d{2}T\d{2}:\d{2}:\d{2}Z$')


@pytest.fixture(scope='class')
def user_min(request, xmlrpc_setup):
    """ User tracker fixture for testing user with uid no specified """
    tracker = UserTracker(givenname=u'Testmin', sn=u'Usermin')
    return tracker.make_fixture(request)


@pytest.fixture(scope='class')
def user(request, xmlrpc_setup):
    tracker = UserTracker(name=u'user1', givenname=u'Test', sn=u'User1')
    return tracker.make_fixture(request)


@pytest.fixture(scope='class')
def user2(request, xmlrpc_setup):
    tracker = UserTracker(name=u'user2', givenname=u'Test2', sn=u'User2')
    return tracker.make_fixture(request)


@pytest.fixture(scope='class')
def renameduser(request, xmlrpc_setup):
    tracker = UserTracker(name=u'ruser1', givenname=u'Ruser', sn=u'Ruser1')
    return tracker.make_fixture(request)


@pytest.fixture(scope='class')
def admin2(request, xmlrpc_setup):
    tracker = UserTracker(name=u'admin2', givenname=u'Second', sn=u'Admin')
    return tracker.make_fixture(request)


@pytest.fixture(scope='class')
def user_npg(request, group):
    """ User tracker fixture for testing users with no private group """
    tracker = UserTracker(name=u'npguser1', givenname=u'Npguser',
                          sn=u'Npguser1', noprivate=True)
    tracker.track_create()
    del tracker.attrs['mepmanagedentry']
    tracker.attrs.update(
        description=[], memberof_group=[group.cn],
        objectclass=objectclasses.user_base + [u'ipantuserattrs'],
    )
    return tracker.make_fixture(request)


@pytest.fixture(scope='class')
def user_npg2(request, group):
    """ User tracker fixture for testing users with no private group """
    tracker = UserTracker(name=u'npguser2', givenname=u'Npguser',
                          sn=u'Npguser2', noprivate=True, gidnumber=1000)
    tracker.track_create()
    del tracker.attrs['mepmanagedentry']
    tracker.attrs.update(
        gidnumber=[u'1000'], description=[], memberof_group=[group.cn],
        objectclass=objectclasses.user_base + [u'ipantuserattrs'],
    )
    return tracker.make_fixture(request)


@pytest.fixture(scope='class')
def user_radius(request, xmlrpc_setup):
    """ User tracker fixture for testing users with radius user name """
    tracker = UserTracker(name=u'radiususer', givenname=u'radiususer',
                          sn=u'radiususer1',
                          ipatokenradiususername=u'radiususer')
    tracker.track_create()
    tracker.attrs.update(
        objectclass=objectclasses.user + [u'ipatokenradiusproxyuser']
    )
    return tracker.make_fixture(request)


@pytest.fixture(scope='class')
def group(request, xmlrpc_setup):
    tracker = GroupTracker(name=u'group1')
    return tracker.make_fixture(request)


@pytest.mark.tier1
class TestNonexistentUser(XMLRPC_test):
    def test_retrieve_nonexistent(self, user):
        """ Try to retrieve a non-existent user """
        user.ensure_missing()
        command = user.make_retrieve_command()
        with raises_exact(errors.NotFound(
                reason=u'%s: user not found' % user.uid)):
            command()

    def test_update_nonexistent(self, user):
        """ Try to update a non-existent user """
        user.ensure_missing()
        command = user.make_update_command(
            updates=dict(givenname=u'changed'))
        with raises_exact(errors.NotFound(
                reason=u'%s: user not found' % user.uid)):
            command()

    def test_delete_nonexistent(self, user):
        """ Try to delete a non-existent user """
        user.ensure_missing()
        command = user.make_delete_command()
        with raises_exact(errors.NotFound(
                reason=u'%s: user not found' % user.uid)):
            command()

    def test_rename_nonexistent(self, user, renameduser):
        """ Try to rename a non-existent user """
        user.ensure_missing()
        command = user.make_update_command(
            updates=dict(setattr=u'uid=%s' % renameduser.uid))
        with raises_exact(errors.NotFound(
                reason=u'%s: user not found' % user.uid)):
            command()


@pytest.mark.tier1
class TestUser(XMLRPC_test):
    def test_retrieve(self, user):
        """ Create user and try to retrieve it """
        user.ensure_exists()
        user.retrieve()

    def test_delete(self, user):
        """ Delete user """
        user.delete()

    def test_query_status(self, user):
        """ Query user_status on a user """
        user.ensure_exists()
        result = user.run_command('user_status', user.uid)
        assert_deepequal(dict(
            count=1,
            result=[dict(
                dn=user.dn,
                krblastfailedauth=[u'N/A'],
                krblastsuccessfulauth=[u'N/A'],
                krbloginfailedcount=u'0',
                now=isodate_re.match,
                server=api.env.host,
                ), ],
            summary=u'Account disabled: False',
            truncated=False,
        ), result)
        user.delete()

    def test_remove_userclass(self, user):
        """ Remove attribute userclass from user entry """
        user.ensure_exists()
        result = user.run_command(
            'user_mod', user.uid, **dict(userclass=u'')
        )
        user.check_update(result)
        user.delete()

    def test_find_cert(self, user):
        """ Add a usercertificate and perform a user-find --certificate """
        user_cert = (
            u"MIICszCCAZugAwIBAgICM24wDQYJKoZIhvcNAQELBQAwIzEUMBIGA1UEChML\r\n"
            "RVhBTVBMRS5PUkcxCzAJBgNVBAMTAkNBMB4XDTE3MDExOTEwMjUyOVoXDTE3M\r\n"
            "DQxOTEwMjUyOVowFjEUMBIGA1UEAxMLc3RhZ2V1c2VyLTEwggEiMA0GCSqGSI\r\n"
            "b3DQEBAQUAA4IBDwAwggEKAoIBAQCq03FRQQBvq4HwYMKP8USLZuOkKzuIs2V\r\n"
            "Pt8k/+nO1dADrzMogKDiUDjCwYoG2UM/sj6P+PJUUCNDLh5eRRI+aR5VE5y2a\r\n"
            "K95iCsj1ByDWrugAUXgr8GUUr+UbaGc0XxHCMnQBkYhzbXY3u91KYRRh5l3lx\r\n"
            "RSICcVeJFJ/tiMS14Vsor1DWykHGz1wm0Zjwg1XDV3oea+uwrSz5Pa6RNPlgC\r\n"
            "+GGW6B7+8qC2XdSSEwvY7y1SAGgqyOxN/FLwvqqMDNU0uX7fww587uZ57IfYz\r\n"
            "b8Xn5DAprRFNk40FDc46rMlkPBT+Tij1I0jedD8h2e6WEa7JRU6SGToYDbRm4\r\n"
            "RL9xAgMBAAEwDQYJKoZIhvcNAQELBQADggEBAHqm1jXzYer9oSjYs9qh1jWpM\r\n"
            "vTcN+0/z1uuX++Wezh3lG7IzYtypbZNxlXDECyrkUh+9oxzMJqdlZ562ko2br\r\n"
            "uK6X5csbbM9uVsUva8NCsPPfZXDhrYaMKFvQGFY4pO3uhFGhccob037VN5Ifm\r\n"
            "aKGM8aJ40cw2PQh38QPDdemizyVCThQ9Pcr+WgWKiG+t2Gd9NldJRLEhky0bW\r\n"
            "2fc4zWZVbGq5nFXy1k+d/bgkHbVzf255eFZOKKy0NgZwig+uSlhVWPJjS4Z1w\r\n"
            "LbpBKxTZp/xD0yEARs0u1ZcCELO/BkgQM50EDKmahIM4mdCs/7j1B/DdWs2i3\r\n"
            "5lnbjxYYiUiyA=")
        user.ensure_exists()
        user.update(dict(usercertificate=user_cert),
                    expected_updates=dict(
                        usercertificate=[base64.b64decode(user_cert)])
                    )
        command = user.make_find_command(uid=user.name,
                                         usercertificate=user_cert)
        res = command()['result']
        assert len(res) == 1
        user.delete()


@pytest.mark.tier1
class TestFind(XMLRPC_test):
    def test_find(self, user):
        """ Basic check of user-find """
        user.ensure_exists()
        user.find()

    def test_find_with_all(self, user):
        """ Basic check of user-find with --all """
        user.find(all=True)

    def test_find_with_pkey_only(self, user):
        """ Basic check of user-find with primary keys only """
        user.ensure_exists()
        command = user.make_find_command(
            uid=user.uid, pkey_only=True
        )
        result = command()
        user.check_find(result, pkey_only=True)

    def test_find_enabled_user(self, user):
        """Test user-find --disabled=False with enabled user"""
        user.ensure_exists()
        command = user.make_find_command(
            uid=user.uid, pkey_only=True, nsaccountlock=False)
        result = command()
        user.check_find(result, pkey_only=True)

    def test_negative_find_enabled_user(self, user):
        """Test user-find --disabled=True with enabled user, shouldn't
        return any result"""
        user.ensure_exists()
        command = user.make_find_command(
            uid=user.uid, pkey_only=True, nsaccountlock=True)
        result = command()
        user.check_find_nomatch(result)

    def test_find_disabled_user(self, user):
        """Test user-find --disabled=True with disabled user"""
        user.ensure_exists()
        user.disable()
        command = user.make_find_command(
            uid=user.uid, pkey_only=True, nsaccountlock=True)
        result = command()
        user.check_find(result, pkey_only=True)
        user.enable()

    def test_negative_find_disabled_user(self, user):
        """Test user-find --disabled=False with disabled user, shouldn't
        return any results"""
        user.ensure_exists()
        user.disable()
        command = user.make_find_command(
            uid=user.uid, pkey_only=True, nsaccountlock=False)
        result = command()
        user.check_find_nomatch(result)
        user.enable()


@pytest.mark.tier1
class TestActive(XMLRPC_test):
    def test_disable(self, user):
        """ Disable user using user-disable """
        user.ensure_exists()
        user.disable()
        command = user.make_retrieve_command()
        result = command()
        user.check_retrieve(result)

    def test_enable(self, user):
        """ Enable user using user-enable """
        user.ensure_exists()
        user.enable()
        command = user.make_retrieve_command()
        result = command()
        user.check_retrieve(result)

    def test_disable_using_setattr(self, user):
        """ Disable user using setattr """
        user.ensure_exists()
        # we need to update the track manually
        user.attrs['nsaccountlock'] = True

        command = user.make_update_command(
            updates=dict(setattr=u'nsaccountlock=True')
        )
        result = command()
        user.check_update(result)

    def test_enable_using_setattr(self, user):
        """ Enable user using setattr """
        user.ensure_exists()
        user.attrs['nsaccountlock'] = False

        command = user.make_update_command(
            updates=dict(setattr=u'nsaccountlock=False')
        )
        result = command()
        user.check_update(result)

    def test_disable_using_usermod(self, user):
        """ Disable user using user-mod """
        user.update(dict(nsaccountlock=True), dict(nsaccountlock=True))

    def test_enable_using_usermod(self, user):
        """ Enable user using user-mod """
        user.update(dict(nsaccountlock=False), dict(nsaccountlock=False))


@pytest.mark.tier1
class TestUpdate(XMLRPC_test):
    def test_set_virtual_attribute(self, user):
        """ Try to assign an invalid virtual attribute """
        attr = 'random'
        user.ensure_exists()
        command = user.make_update_command(
            updates=dict(setattr=(u'%s=xyz123' % attr))
        )
        with raises_exact(errors.ObjectclassViolation(
                info=u'attribute "%s" not allowed' % attr)):
            command()

    def test_update(self, user):
        """ Update a user attribute """
        user.update(dict(givenname=u'Franta'))

    def test_update_krb_ticket_policy(self, user):
        """ Try to update krbmaxticketlife """
        attr = 'krbmaxticketlife'
        user.ensure_exists()
        command = user.make_update_command(
            updates=dict(setattr=(u'%s=88000' % attr))
        )
        with raises_exact(errors.ObjectclassViolation(
                info=u'attribute "%s" not allowed' % attr)):
            command()

    def test_rename(self, user, renameduser):
        """ Rename user and than rename it back """
        user.ensure_exists()
        renameduser.ensure_missing()
        olduid = user.uid

        user.update(updates=dict(rename=renameduser.uid))

        # rename the test user back so it gets properly deleted
        user.update(updates=dict(rename=olduid))

    def test_rename_to_the_same_value(self, user):
        """ Try to rename user to the same value """
        user.ensure_exists()
        command = user.make_update_command(
            updates=dict(setattr=(u'uid=%s' % user.uid))
        )
        with raises_exact(errors.EmptyModlist()):
            command()

    def test_rename_to_the_same_with_other_mods(self, user):
        """ Try to rename user to the same value while
        including other modifications that should be done """
        user.ensure_exists()
        user.attrs.update(loginshell=[u'/bin/false'])
        command = user.make_update_command(
            updates=dict(setattr=u'uid=%s' % user.uid,
                         loginshell=u'/bin/false')
        )
        result = command()
        user.check_update(result)

    def test_rename_to_too_long_login(self, user):
        """ Try to change user login to too long value """
        user.ensure_exists()
        command = user.make_update_command(
            updates=dict(rename=invaliduser2)
            # no exception raised, user is renamed
        )
        with raises_exact(errors.ValidationError(
                name='rename',
                error=u'can be at most 255 characters')):
            command()

    def test_update_illegal_ssh_pubkey(self, user):
        """ Try to update user with an illegal SSH public key """
        user.ensure_exists()
        command = user.make_update_command(
            updates=dict(ipasshpubkey=[u"anal nathrach orth' bhais's bethad "
                                       "do che'l de'nmha"])
        )
        with raises_exact(errors.ValidationError(
                name='sshpubkey',
                error=u'invalid SSH public key')):
            command()

    def test_set_ipauserauthtype(self, user):
        """ Set ipauserauthtype to all valid types and than back to None """
        user.ensure_exists()
        user.update(dict(ipauserauthtype=[
            u'password', u'radius', u'otp', u'pkinit', u'hardened'
        ]))
        user.retrieve()

        user.update(dict(ipauserauthtype=None))
        user.delete()

    def test_set_random_password(self, user):
        """ Modify user with random password """
        user.ensure_exists()
        user.attrs.update(
            randompassword=fuzzy_password,
            has_keytab=True,
            has_password=True
        )
        user.update(
            dict(random=True),
            dict(random=None, randompassword=fuzzy_password)
        )
        user.delete()

    def test_rename_to_invalid_login(self, user):
        """ Try to change user login to an invalid value """
        user.ensure_exists()
        command = user.make_update_command(
            updates=dict(rename=invaliduser1)
        )
        with raises_exact(errors.ValidationError(
                name='rename',
                error=u'may only include letters, numbers, _, -, . and $')):
            command()

    def test_add_radius_username(self, user):
        """ Test for ticket 7569: Try to add --radius-username """
        user.ensure_exists()
        command = user.make_update_command(
            updates=dict(ipatokenradiususername=u'radiususer')
        )
        command()
        user.delete()


@pytest.mark.tier1
class TestCreate(XMLRPC_test):
    def test_create_user_with_min_values(self, user_min):
        """ Create user with uid not specified """
        user_min.ensure_missing()
        command = user_min.make_create_command()
        command()

    def test_create_with_krb_ticket_policy(self):
        """ Try to create user with krbmaxticketlife set """
        testuser = UserTracker(
            name=u'tuser1', givenname=u'Test',
            sn=u'Tuser1', setattr=u'krbmaxticketlife=88000'
        )
        command = testuser.make_create_command()
        with raises_exact(errors.ObjectclassViolation(
                info=u'attribute "%s" not allowed' % 'krbmaxticketlife')):
            command()

    def test_create_with_ssh_pubkey(self):
        """ Create user with an assigned SSH public key """
        testuser = UserTracker(
            name=u'tuser1', givenname=u'Test',
            sn=u'Tuser1', ipasshpubkey=sshpubkey
        )
        testuser.track_create()
        # fingerprint is expected in the tracker attrs
        testuser.attrs.update(sshpubkeyfp=[sshpubkeyfp])
        command = testuser.make_create_command()
        result = command()
        testuser.check_create(result)
        testuser.delete()

    def test_create_with_invalid_login(self):
        """ Try to create user with an invalid login string """
        testuser = UserTracker(
            name=invaliduser1, givenname=u'Test', sn=u'User1'
        )
        command = testuser.make_create_command()
        with raises_exact(errors.ValidationError(
                name=u'login',
                error=u'may only include letters, numbers, _, -, . and $')):
            command()

    def test_create_with_too_long_login(self):
        """ Try to create user with too long login string """
        testuser = UserTracker(
            name=invaliduser2, givenname=u'Test', sn=u'User1'
        )
        command = testuser.make_create_command()
        with raises_exact(errors.ValidationError(
                name=u'login',
                error=u'can be at most 255 characters')):
            command()

    def test_create_with_full_address(self):
        """ Create user with full address set """
        testuser = UserTracker(
            name=u'tuser1', givenname=u'Test', sn=u'Tuser1',
            street=u'123 Maple Rd', l=u'Anytown', st=u'MD',
            postalcode=u'01234-5678', mobile=u'410-555-1212'
        )
        testuser.create()
        testuser.delete()

    def test_create_with_random_passwd(self):
        """ Create user with random password """
        testuser = UserTracker(
            name=u'tuser1', givenname=u'Test', sn=u'Tuser1', random=True
        )
        testuser.track_create()
        testuser.attrs.update(
            randompassword=fuzzy_password,
            has_keytab=True, has_password=True,
            krbextradata=[Fuzzy(type=bytes)],
            krbpasswordexpiration=[fuzzy_dergeneralizedtime],
            krblastpwdchange=[fuzzy_dergeneralizedtime]
        )
        command = testuser.make_create_command()
        result = command()
        testuser.check_create(result)
        testuser.delete()

    def test_create_with_different_default_home(self, user):
        """ Change default home directory and check that a newly created
            user has his home set properly """
        user.ensure_missing()
        user.run_command('config_mod', **{u'ipahomesrootdir': u'/other-home'})
        user.track_create()
        user.attrs.update(homedirectory=[u'/other-home/%s' % user.name])

        command = user.make_create_command()
        result = command()
        user.check_create(result)
        user.run_command('config_mod', **{u'ipahomesrootdir': u'/home'})
        user.delete()

    def test_create_with_different_default_shell(self, user):
        """ Change default login shell and check that a newly created
            user is created with correct login shell value """
        user.ensure_missing()
        user.run_command(
            'config_mod', **{u'ipadefaultloginshell': u'/bin/zsh'}
        )
        user.track_create()
        user.attrs.update(loginshell=[u'/bin/zsh'])
        command = user.make_create_command()
        result = command()
        user.check_create(result)
        user.run_command(
            'config_mod',
            **{u'ipadefaultloginshell': platformconstants.DEFAULT_SHELL}
        )
        user.delete()

    def test_create_without_upg(self):
        """ Try to create user without User's Primary GID """
        testuser = UserTracker(
            name=u'tuser1', givenname=u'Test', sn=u'Tuser1',
            noprivate=True
        )
        command = testuser.make_create_command()
        with raises_exact(errors.NotFound(
                reason=u'Default group for new users is not POSIX')):
            command()

    def test_create_without_upg_with_gid_set(self):
        """ Create user without User's Primary GID with GID set """
        testuser = UserTracker(
            name=u'tuser1', givenname=u'Test', sn=u'Tuser1',
            noprivate=True, gidnumber=1000
        )
        testuser.track_create()
        del testuser.attrs['mepmanagedentry']
        testuser.attrs.update(gidnumber=[u'1000'])
        testuser.attrs.update(
            description=[],
            objectclass=objectclasses.user_base + [u'ipantuserattrs']
        )
        command = testuser.make_create_command()
        result = command()
        testuser.check_create(result, [u'description'])
        testuser.delete()

    def test_create_with_uid_999(self):
        """ Check that server return uid and gid 999
        when a new client asks for uid 999 """
        testuser = UserTracker(
            name=u'tuser1', givenname=u'Test', sn=u'Tuser1', uidnumber=999
        )
        testuser.track_create()
        # When uid is outside of IPA id range, no SID is generated
        del testuser.attrs['ipantsecurityidentifier']
        testuser.attrs.update(
            uidnumber=[u'999'],
            gidnumber=[u'999'],
            objectclass=objectclasses.user_base + ['mepOriginEntry']
        )
        command = testuser.make_create_command()
        result = command()
        testuser.check_create(result)
        testuser.delete()

    def test_create_with_old_DNA_MAGIC_999(self):
        """ Check that server picks suitable uid and gid
        when an old client asks for the magic uid 999 """
        testuser = UserTracker(
            name=u'tuser1', givenname=u'Test', sn=u'Tuser1',
            uidnumber=999, version=u'2.49'
        )
        testuser.track_create()
        testuser.attrs.update(
            uidnumber=[lambda v: int(v) != 999],
            gidnumber=[lambda v: int(v) != 999],
        )
        command = testuser.make_create_command()
        result = command()
        testuser.check_create(result)
        testuser.delete()

    def test_create_duplicate(self, user):
        """ Try to create second user with the same name """
        user.ensure_exists()
        command = user.make_create_command()
        with raises_exact(errors.DuplicateEntry(
                message=u'user with name "%s" already exists' %
                user.uid)):
            command()

    def test_create_where_managed_group_exists(self, user, group):
        """ Create a managed group and then try to create user
        with the same name the group has """
        group.create()
        command = user.make_command(
            'user_add', group.cn, **dict(givenname=u'Test', sn=u'User1')
        )
        with raises_exact(errors.ManagedGroupExistsError(group=group.cn)):
            command()

    def test_create_with_username_starting_with_numeric(self):
        """Successfully create a user with name starting with numeric chars"""
        testuser = UserTracker(
            name=u'1234user', givenname=u'First1234', sn=u'Surname1234',
        )
        testuser.create()
        testuser.delete()

    def test_create_with_numeric_only_username(self):
        """Try to create a user with name only contains numeric chars"""
        testuser = UserTracker(
            name=u'1234', givenname=u'NumFirst1234', sn=u'NumSurname1234',
        )
        with raises_exact(errors.ValidationError(
                name=u'login',
                error=u'may only include letters, numbers, _, -, . and $',
        )):
            testuser.create()

    def test_create_with_radius_username(self, user_radius):
        """Test for issue 7569: try to create a user with --radius-username"""
        command = user_radius.make_create_command()
        result = command()
        user_radius.check_create(result)
        user_radius.delete()


@pytest.mark.tier1
class TestUserWithGroup(XMLRPC_test):
    def test_change_default_user_group(self, group):
        """ Change default group for TestUserWithGroup class of tests """
        group.create()
        group.run_command(
            'config_mod', **{u'ipadefaultprimarygroup': group.cn}
        )

    def test_create_without_upg(self, user_npg):
        """ Try to create user without User's Primary GID
        after default group was changed """
        command = user_npg.make_create_command()
        # User without private group has some different attrs upon creation
        # so we won't use make_create, but do own check instead
        # These are set in the fixture
        result = command()
        user_npg.check_create(result, [u'description', u'memberof_group'])

    def test_create_without_upg_with_gid_set(self, user_npg2):
        """ Create user without User's Primary GID with GID set
        after default group was changed """
        command = user_npg2.make_create_command()
        result = command()
        user_npg2.check_create(result, [u'description', u'memberof_group'])

    def test_set_manager(self, user_npg, user_npg2):
        """ Update user with own group with manager with own group """
        user_npg.update(dict(manager=user_npg2.uid))

    def test_check_user_with_renamed_manager(self, user_npg, user_npg2):
        """ Rename manager with own group, retrieve user and check
            if its manager is also renamed """
        renamed_name = u'renamed_npg2'
        old_name = user_npg2.uid

        user_npg2.update(updates=dict(rename=renamed_name))

        user_npg.attrs.update(manager=[renamed_name])
        user_npg.retrieve(all=True)

        user_npg2.update(updates=dict(rename=old_name))

    def test_check_if_manager_gets_removed(self, user_npg, user_npg2):
        """ Delete manager and check if it's gone from user's attributes """
        user_npg2.delete()
        del user_npg.attrs[u'manager']
        del user_npg.attrs[u'description']
        user_npg.retrieve(all=True)

    def test_change_default_user_group_back(self, user_npg, user_npg2):
        """ Change default group back to 'ipausers' and clean up members """
        user_npg.delete()
        user_npg.run_command(
            'config_mod', **{u'ipadefaultprimarygroup': u'ipausers'}
        )


@pytest.mark.tier1
class TestUserWithUPGDisabled(XMLRPC_test):
    """ Tests with UPG plugin disabled """

    @classmethod
    def managed_entries_upg(cls, action='enable'):
        """ Change the UPG plugin state """
        assert action in ('enable', 'disable')
        ipautil.run(['ipa-managed-entries', '-e', 'UPG Definition', action])

    @pytest.fixture(autouse=True, scope="class")
    def user_with_upg_disabled_setup(self, request, xmlrpc_setup):
        cls = request.cls
        cls.managed_entries_upg(action='disable')

        def fin():
            cls.managed_entries_upg(action='enable')
        request.addfinalizer(fin)

    def test_create_without_upg(self):
        """ Try to create user without User's Primary GID

        As the UPG plugin is disabled, the user gets assigned to the Default
        Group for new users (ipausers) which is not POSIX and the command
        is expected to fail
        """
        testuser = UserTracker(
            name=u'tuser1', givenname=u'Test', sn=u'Tuser1'
        )
        command = testuser.make_create_command()
        with raises_exact(errors.NotFound(
                reason=u'Default group for new users is not POSIX')):
            command()

    def test_create_without_upg_with_gid_set(self):
        """ Create user without User's Primary GID with GID set

        The UPG plugin is disabled, but the user is provided with a group
        """
        testuser = UserTracker(
            name=u'tuser1', givenname=u'Test', sn=u'Tuser1',
            gidnumber=1000
        )
        testuser.track_create()
        del testuser.attrs['mepmanagedentry']
        testuser.attrs.update(gidnumber=[u'1000'])
        testuser.attrs.update(
            description=[],
            objectclass=objectclasses.user_base + [u'ipantuserattrs'],
        )
        command = testuser.make_create_command()
        result = command()
        testuser.check_create(result, [u'description'])
        testuser.delete()

    def test_create_where_managed_group_exists(self, user, group):
        """ Create a managed group and then try to create user
        with the same name the group has

        As the UPG plugin is disabled, there is no conflict
        """
        group.create()
        testuser = UserTracker(
            name=group.cn, givenname=u'Test', sn=u'Tuser1',
            gidnumber=1000
        )
        testuser.track_create()
        del testuser.attrs['mepmanagedentry']
        testuser.attrs.update(gidnumber=[u'1000'])
        testuser.attrs.update(
            description=[],
            objectclass=objectclasses.user_base + [u'ipantuserattrs'],
        )
        command = testuser.make_create_command()
        result = command()
        testuser.check_create(result, [u'description'])
        testuser.delete()


@pytest.mark.tier1
class TestManagers(XMLRPC_test):
    def test_assign_nonexistent_manager(self, user, user2):
        """ Try to assign user a non-existent manager """
        user.ensure_exists()
        user2.ensure_missing()
        command = user.make_update_command(
            updates=dict(manager=user2.uid)
        )
        with raises_exact(errors.NotFound(
                reason=u'manager %s not found' % user2.uid)):
            command()

    def test_assign_manager(self, user, user2):
        """ Make user manager of another user """
        user.ensure_exists()
        user2.ensure_exists()
        user.update(dict(manager=user2.uid))

    def test_search_by_manager(self, user, user2):
        """ Find user by his manager's UID """
        command = user.make_find_command(manager=user2.uid)
        result = command()
        user.check_find(result)

    def test_delete_both_user_and_manager(self, user, user2):
        """ Delete both user and its manager at once """
        result = user.run_command(
            'user_del', [user.uid, user2.uid],
            preserve=False, no_preserve=True
        )
        assert_deepequal(dict(
            value=[user.uid, user2.uid],
            summary=u'Deleted user "%s,%s"' % (user.uid, user2.uid),
            result=dict(failed=[]),
            ), result)
        # mark users as deleted
        user.exists = False
        user2.exists = False


@pytest.mark.tier1
class TestAdmins(XMLRPC_test):
    def test_remove_original_admin(self):
        """ Try to remove the only admin """
        tracker = Tracker()
        command = tracker.make_command('user_del', [admin1])

        with raises_exact(errors.LastMemberError(
                key=admin1, label=u'group', container=admin_group)):
            command()

    def test_disable_original_admin(self):
        """ Try to disable the only admin """
        tracker = Tracker()
        command = tracker.make_command('user_disable', admin1)

        with raises_exact(errors.LastMemberError(
                key=admin1, label=u'group', container=admin_group)):
            command()

    def test_create_admin2(self, admin2):
        """ Test whether second admin gets created """
        admin2.ensure_exists()
        admin2.make_admin()
        admin2.delete()

    def test_last_admin_preservation(self, admin2):
        """ Create a second admin, disable it. Then try to disable and
        remove the original one and receive LastMemberError. Last trial
        are these ops with second admin removed. """
        admin2.ensure_exists()
        admin2.make_admin()
        admin2.disable()
        tracker = Tracker()

        with raises_exact(errors.LastMemberError(
                key=admin1, label=u'group', container=admin_group)):
            tracker.run_command('user_disable', admin1)
        with raises_exact(errors.LastMemberError(
                key=admin1, label=u'group', container=admin_group)):
            tracker.run_command('user_del', admin1)
        admin2.delete()

        with raises_exact(errors.LastMemberError(
                key=admin1, label=u'group', container=admin_group)):
            tracker.run_command('user_disable', admin1)
        with raises_exact(errors.LastMemberError(
                key=admin1, label=u'group', container=admin_group)):
            tracker.run_command('user_del', admin1)


@pytest.mark.tier1
class TestPreferredLanguages(XMLRPC_test):
    def test_invalid_preferred_languages(self, user):
        """ Try to assign various invalid preferred languages to user """
        user.ensure_exists()
        for invalidlanguage in invalidlanguages:
            command = user.make_update_command(
                dict(preferredlanguage=invalidlanguage)
            )

            with raises_exact(errors.ValidationError(
                    name='preferredlanguage',
                    error=(u'must match RFC 2068 - 14.4, e.g., '
                           '"da, en-gb;q=0.8, en;q=0.7"')
            )):
                command()
        user.delete()

    def test_valid_preferred_languages(self, user):
        """ Update user with different preferred languages """
        for validlanguage in validlanguages:
            user.update(dict(preferredlanguage=validlanguage))
        user.delete()


@pytest.mark.tier1
class TestPrincipals(XMLRPC_test):
    def test_create_with_bad_realm_in_principal(self):
        """ Try to create user with a bad realm in principal """
        testuser = UserTracker(
            name=u'tuser1', givenname=u'Test', sn=u'Tuser1',
            krbprincipalname=u'tuser1@NOTFOUND.ORG'
        )

        command = testuser.make_create_command()
        with raises_exact(errors.RealmMismatch()):
            command()

    def test_create_with_malformed_principal(self):
        """ Try to create user with wrongly formed principal """
        testuser = UserTracker(
            name=u'tuser1', givenname=u'Test', sn=u'Tuser1',
            krbprincipalname=u'tuser1@BAD@NOTFOUND.ORG'
        )

        command = testuser.make_create_command()
        with raises_exact(errors.ConversionError(
                name='principal', error="Malformed principal: '{}'".format(
                    testuser.kwargs['krbprincipalname']))):
            command()

    def test_set_principal_expiration(self, user):
        """ Set principal expiration for user """
        user.update(
            dict(krbprincipalexpiration=principal_expiration_string),
            dict(krbprincipalexpiration=[principal_expiration_date])
        )

    def test_set_invalid_principal_expiration(self, user):
        """ Try to set incorrent principal expiration value for user """
        user.ensure_exists()
        command = user.make_update_command(
            dict(krbprincipalexpiration=invalid_expiration_string)
        )

        with raises_exact(errors.ConversionError(
                name='principal_expiration',
                error=(u'does not match any of accepted formats: '
                       '%Y%m%d%H%M%SZ, %Y-%m-%dT%H:%M:%SZ, %Y-%m-%dT%H:%MZ, '
                       '%Y-%m-%dZ, %Y-%m-%d %H:%M:%SZ, %Y-%m-%d %H:%MZ')
        )):
            command()

    def test_create_with_uppercase_principal(self):
        """ Create user with upper-case principal """
        testuser = UserTracker(
            name=u'tuser1', givenname=u'Test', sn=u'Tuser1',
            krbprincipalname=u'tuser1'.upper()
        )
        testuser.create()
        testuser.delete()


@pytest.mark.tier1
class TestValidation(XMLRPC_test):
    # The assumption for this class of tests is that if we don't
    # get a validation error then the request was processed normally.

    def test_validation_disabled_on_deletes(self):
        """ Test that validation is disabled on user deletes """
        tracker = Tracker()
        command = tracker.make_command('user_del', invaliduser1)
        with raises_exact(errors.NotFound(
                reason=u'%s: user not found' % invaliduser1)):
            command()

    def test_validation_disabled_on_show(self):
        """ Test that validation is disabled on user retrieves """
        tracker = Tracker()
        command = tracker.make_command('user_show', invaliduser1)
        with raises_exact(errors.NotFound(
                reason=u'%s: user not found' % invaliduser1)):
            command()

    def test_validation_disabled_on_find(self, user):
        """ Test that validation is disabled on user searches """
        result = user.run_command('user_find', invaliduser1)
        user.check_find_nomatch(result)


@pytest.mark.tier1
class TestDeniedBindWithExpiredPrincipal(XMLRPC_test):

    password = u'random'
    connection = None

    @pytest.fixture(autouse=True, scope="class")
    def bind_with_expired_principal_setup(self, request, xmlrpc_setup):
        cls = request.cls
        cls.connection = ldap_initialize(
            'ldap://{host}'.format(host=api.env.host)
        )
        cls.connection.start_tls_s()

    def test_bind_as_test_user(self, user):
        """ Bind as user """
        self.failsafe_add(
            api.Object.user,
            user.uid,
            givenname=u'Test',
            sn=u'User1',
            userpassword=self.password,
            krbprincipalexpiration=principal_expiration_string
        )

        self.connection.simple_bind_s(
            str(get_user_dn(user.uid)), self.password
        )

    def test_bind_as_expired_test_user(self, user):
        """ Try to bind as expired user """
        api.Command['user_mod'](
            user.uid,
            krbprincipalexpiration=expired_expiration_string
        )

        raises(ldap.UNWILLING_TO_PERFORM,
               self.connection.simple_bind_s,
               str(get_user_dn(user.uid)), self.password
               )

    def test_bind_as_renewed_test_user(self, user):
        """ Bind as renewed user """
        api.Command['user_mod'](
            user.uid,
            krbprincipalexpiration=principal_expiration_string
        )

        self.connection.simple_bind_s(
            str(get_user_dn(user.uid)), self.password
        )

# This set of functions (get_*, upg_check, not_upg_check)
# is mostly for legacy purposes here, tests using UserTracker
# should not rely on them


def get_user_result(uid, givenname, sn, operation='show', omit=[],
                    **overrides):
    """Get a user result for a user-{add,mod,find,show} command

    This gives the result as from a user_add(uid, givenname=givenname, sn=sn);
    modifications to that can be specified in ``omit`` and ``overrides``.

    The ``operation`` can be one of:
    - add
    - show
    - show-all ((show with the --all flag)
    - find
    - mod

    Attributes named in ``omit`` are removed from the result; any additional
    or non-default values can be specified in ``overrides``.
    """
    # sn can be None; this should only be used from `get_admin_result`
    cn = overrides.get('cn', ['%s %s' % (givenname, sn or '')])
    cn[0] = cn[0].strip()
    result = dict(
        homedirectory=[u'/home/%s' % uid],
        loginshell=[platformconstants.DEFAULT_SHELL],
        uid=[uid],
        uidnumber=[fuzzy_digits],
        gidnumber=[fuzzy_digits],
        krbcanonicalname=[u'%s@%s' % (uid, api.env.realm)],
        krbprincipalname=[u'%s@%s' % (uid, api.env.realm)],
        mail=[u'%s@%s' % (uid, api.env.domain)],
        has_keytab=False,
        has_password=False,
    )
    if sn:
        result['sn'] = [sn]
    if givenname:
        result['givenname'] = [givenname]
    if operation in ('add', 'show', 'show-all', 'find'):
        result.update(
            dn=get_user_dn(uid),
        )
    if operation in ('add', 'show-all'):
        result.update(
            cn=cn,
            displayname=cn,
            gecos=cn,
            initials=[givenname[0] + (sn or '')[:1]],
            ipauniqueid=[fuzzy_uuid],
            mepmanagedentry=[get_group_dn(uid)],
            objectclass=objectclasses.user,
            krbprincipalname=[u'%s@%s' % (uid, api.env.realm)],
            krbcanonicalname=[u'%s@%s' % (uid, api.env.realm)],
        )
    if operation == 'show-all':
        result.update(
            ipantsecurityidentifier=[fuzzy_user_or_group_sid],
        )
    if operation in ('show', 'show-all', 'find', 'mod'):
        result.update(
            nsaccountlock=False,
        )
    if operation in ('add', 'show', 'show-all', 'mod'):
        result.update(
            memberof_group=[u'ipausers'],
        )
    for key in omit:
        del result[key]
    result.update(overrides)
    return result


def get_admin_result(operation='show', **overrides):
    """Give the result for the default admin user

    Any additional or non-default values can be given in ``overrides``.
    """
    result = get_user_result(
        u'admin', None, u'Administrator', operation,
        omit=['mail'],
        has_keytab=True,
        has_password=True,
        loginshell=[platformconstants.DEFAULT_ADMIN_SHELL],
        **overrides)
    return result


def get_user_dn(uid):
    """ Get user DN by uid """
    return DN(('uid', uid), api.env.container_user, api.env.basedn)


def get_group_dn(cn):
    """ Get group DN by CN """
    return DN(('cn', cn), api.env.container_group, api.env.basedn)


def upg_check(response):
    """Check that the user was assigned to the corresponding private group."""
    assert_equal(response['result']['uidnumber'],
                 response['result']['gidnumber'])
    return True


def not_upg_check(response):
    """
    Check that the user was not assigned to the corresponding
    private group.
    """

    assert_not_equal(response['result']['uidnumber'],
                     response['result']['gidnumber'])
    return True
