Synnefo

# Copyright 2012 GRNET S.A. All rights reserved.

#

# Redistribution and use in source and binary forms, with or

# without modification, are permitted provided that the following

# conditions are met:

#

#   1. Redistributions of source code must retain the above

#      copyright notice, this list of conditions and the following

#      disclaimer.

#

#   2. Redistributions in binary form must reproduce the above

#      copyright notice, this list of conditions and the following

#      disclaimer in the documentation and/or other materials

#      provided with the distribution.

#

# THIS SOFTWARE IS PROVIDED BY GRNET S.A. ``AS IS'' AND ANY EXPRESS

# OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED

# WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR

# PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL GRNET S.A OR

# CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,

# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT

# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF

# USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED

# AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT

# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN

# ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE

# POSSIBILITY OF SUCH DAMAGE.

#

# The views and conclusions contained in the software and

# documentation are those of the authors and should not be

# interpreted as representing official policies, either expressed

# or implied, of GRNET S.A.

from optparse import make_option

from datetime import datetime

from django.core.management.base import BaseCommand, CommandError

from django.contrib.auth.models import Permission

from django.contrib.contenttypes.models import ContentType

from django.core.exceptions import ValidationError

from django.db.utils import IntegrityError

from astakos.im.models import AstakosUser, AstakosGroup, Membership

from ._common import remove_user_permission, add_user_permission

class Command(BaseCommand):

    args = "<user ID>"

    help = "Modify a user's attributes"

    option_list = BaseCommand.option_list + (

        make_option('--invitations',

            dest='invitations',

            metavar='NUM',

            help="Update user's invitations"),

        make_option('--level',

            dest='level',

            metavar='NUM',

            help="Update user's level"),

        make_option('--password',

            dest='password',

            metavar='PASSWORD',

            help="Set user's password"),

        make_option('--provider',

            dest='provider',

            metavar='PROVIDER',

            help="Set user's provider"),

        make_option('--renew-token',

            action='store_true',

            dest='renew_token',

            default=False,

            help="Renew the user's token"),

        make_option('--renew-password',

            action='store_true',

            dest='renew_password',

            default=False,

            help="Renew the user's password"),

        make_option('--set-admin',

            action='store_true',

            dest='admin',

            default=False,

            help="Give user admin rights"),

        make_option('--set-noadmin',

            action='store_true',

            dest='noadmin',

            default=False,

            help="Revoke user's admin rights"),

        make_option('--set-active',

            action='store_true',

            dest='active',

            default=False,

            help="Change user's state to inactive"),

        make_option('--set-inactive',

            action='store_true',

            dest='inactive',

            default=False,

            help="Change user's state to inactive"),

        make_option('--add-group',

            dest='add-group',

            help="Add user group"),

        make_option('--delete-group',

            dest='delete-group',

            help="Delete user group"),

        make_option('--add-permission',

            dest='add-permission',

            help="Add user permission"),

        make_option('--delete-permission',

            dest='delete-permission',

            help="Delete user permission"),

        )

    def handle(self, *args, **options):

        if len(args) != 1:

            raise CommandError("Please provide a user ID")

        if args[0].isdigit():

            user = AstakosUser.objects.get(id=int( args[0]))

        else:

            raise CommandError("Invalid ID")

        if not user:

            raise CommandError("Unknown user")

        if options.get('admin'):

            user.is_superuser = True

        elif options.get('noadmin'):

            user.is_superuser = False

        if options.get('active'):

            user.is_active = True

        elif options.get('inactive'):

            user.is_active = False

        invitations = options.get('invitations')

        if invitations is not None:

            user.invitations = int(invitations)

        groupname = options.get('add-group')

        if groupname is not None:

            try:

                group = AstakosGroup.objects.get(name=groupname)

                m = Membership(person=user, group=group, date_joined=datetime.now())

                m.save()

            except AstakosGroup.DoesNotExist, e:

                self.stdout.write("Group named %s does not exist\n" % groupname)

            except IntegrityError, e:

                self.stdout.write("User is already member of %s\n" % groupname)

        groupname = options.get('delete-group')

        if groupname is not None:

            try:

                group = AstakosGroup.objects.get(name=groupname)

                m = Membership.objects.get(person=user, group=group)

                m.delete()

            except AstakosGroup.DoesNotExist, e:

                self.stdout.write("Group named %s does not exist\n" % groupname)

            except Membership.DoesNotExist, e:

                self.stdout.write("User is not a member of %s\n" % groupname)

        pname = options.get('add-permission')

        if pname is not None:

            try:

                r, created = add_user_permission(user, pname)

                if created:

                    self.stdout.write('Permission: %s created successfully\n' % pname)

                if r > 0:

                    self.stdout.write('Permission: %s added successfully\n' % pname)

                elif r==0:

                    self.stdout.write('User has already permission: %s\n' % pname)

            except Exception, e:

                raise CommandError(e)

        pname  = options.get('delete-permission')

        if pname is not None and not user.has_perm(pname):

            try:

                r = remove_user_permission(user, pname)

                if r < 0:

                    self.stdout.write('Invalid permission codename: %s\n' % pname)

                elif r == 0:

                    self.stdout.write('User has not permission: %s\n' % pname)

                elif r > 0:

                    self.stdout.write('Permission: %s removed successfully\n' % pname)

            except Exception, e:

                raise CommandError(e)

        level = options.get('level')

        if level is not None:

            user.level = int(level)

        password = options.get('password')

        if password is not None:

            user.set_password(password)

        provider = options.get('provider')

        if provider is not None:

            user.provider = provider

        password = None

        if options['renew_password']:

            password = AstakosUser.objects.make_random_password()

            user.set_password(password)

        if options['renew_token']:

            user.renew_token()

        try:

            user.save()

        except ValidationError, e:

            raise CommandError(e)

        if password:

            self.stdout.write('User\'s new password: %s\n' % password)