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.

import socket

from optparse import make_option

from uuid import uuid4

from datetime import datetime

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

from django.core.validators import validate_email

from django.core.exceptions import ValidationError

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

from astakos.im.util import reserved_email

from ._common import add_user_permission

class Command(BaseCommand):

    args = "<email> <first name> <last name> <affiliation>"

    help = "Create a user"

    option_list = BaseCommand.option_list + (

        make_option('--active',

                    action='store_true',

                    dest='active',

                    default=False,

                    help="Activate user"),

        make_option('--admin',

                    action='store_true',

                    dest='admin',

                    default=False,

                    help="Give user admin rights"),

        make_option('--password',

                    dest='password',

                    metavar='PASSWORD',

                    help="Set user's password"),

        make_option('--add-group',

                    dest='add-group',

                    help="Add user group"),

        make_option('--add-permission',

                    dest='add-permission',

                    help="Add user permission")

    )

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

        if len(args) != 4:

            raise CommandError("Invalid number of arguments")

        args = [a.decode('utf8') for a in args]

        email, first, last, affiliation = args

        try:

            validate_email(email)

        except ValidationError:

            raise CommandError("Invalid email")

        username = uuid4().hex[:30]

        password = options.get('password')

        if password is None:

            password = AstakosUser.objects.make_random_password()

        if reserved_email(email):

            raise CommandError("A user with this email already exists")

        user = AstakosUser(username=username, first_name=first, last_name=last,

                           email=email, affiliation=affiliation,

                           provider='local')

        user.set_password(password)

        user.renew_token()

        if options['active']:

            user.is_active = True

        if options['admin']:

            user.is_superuser = True

        try:

            user.save()

        except socket.error, e:

            raise CommandError(e)

        except ValidationError, e:

            raise CommandError(e)

        else:

            msg = "Created user id %d" % (user.id,)

            if options['password'] is None:

                msg += " with password '%s'" % (password,)

            self.stdout.write(msg + '\n')

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

            if groupname is not None:

                try:

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

                    Membership(group=group,

                               person=user, date_joined=datetime.now()).save()

                    self.stdout.write(

                        'Group: %s added successfully\n' % groupname)

                except AstakosGroup.DoesNotExist, e:

                    self.stdout.write(

                        'Group named %s does not exist\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)