Synnefo

# Copyright 2012, 2013, 2014 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 string

from datetime import datetime

from optparse import make_option

from django.core import management

from django.db import transaction

from snf_django.management.commands import SynnefoCommand, CommandError

from django.contrib.auth.models import Group

from django.core.exceptions import ValidationError

from django.core.validators import validate_email

from astakos.im.models import AstakosUser

from astakos.im import activation_backends

from ._common import (remove_user_permission, add_user_permission, is_uuid)

activation_backend = activation_backends.get_backend()

class Command(SynnefoCommand):

    args = "<user ID> (or --all)"

    help = "Modify a user's attributes"

    option_list = SynnefoCommand.option_list + (

        make_option('--all',

                    action='store_true',

                    default=False,

                    help=("Operate on all users. Currently only setting "

                          "base quota is supported in this mode. Can be "

                          "combined with `--exclude'.")),

        make_option('--exclude',

                    help=("If `--all' is given, exclude users given as a "

                          "list of uuids: uuid1,uuid2,uuid3")),

        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('--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 active"),

        make_option('--set-inactive',

                    action='store_true',

                    dest='inactive',

                    default=False,

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

        make_option('--inactive-reason',

                    dest='inactive_reason',

                    help="Reason user got 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"),

        make_option('--accept',

                    dest='accept',

                    action='store_true',

                    help="Accept user"),

        make_option('--verify',

                    dest='verify',

                    action='store_true',

                    help="Verify user email"),

        make_option('--reject',

                    dest='reject',

                    action='store_true',

                    help="Reject user"),

        make_option('--reject-reason',

                    dest='reject_reason',

                    help="Reason user got rejected"),

        make_option('--sign-terms',

                    default=False,

                    action='store_true',

                    help="Sign terms"),

        make_option('-f', '--no-confirm',

                    action='store_true',

                    default=False,

                    dest='force',

                    help="Do not ask for confirmation"),

        make_option('--set-email',

                    dest='set-email',

                    help="Change user's email"),

        make_option('--delete',

                    dest='delete',

                    action='store_true',

                    help="Delete a non-accepted user"),

    )

    @transaction.commit_on_success

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

        if options['all']:

            if not args:

                return self.handle_all_users(*args, **options)

            else:

                raise CommandError("Please provide a user ID or --all")

        if len(args) != 1:

            raise CommandError("Please provide a user ID or --all")

        if options["exclude"] is not None:

            m = "Option --exclude is meaningful only combined with --all."

            raise CommandError(m)

        if args[0].isdigit():

            try:

                user = AstakosUser.objects.select_for_update().\

                    get(id=int(args[0]))

            except AstakosUser.DoesNotExist:

                raise CommandError("Invalid user ID")

        elif is_uuid(args[0]):

            try:

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

            except AstakosUser.DoesNotExist:

                raise CommandError("Invalid user UUID")

        else:

            raise CommandError(("Invalid user identification: "

                                "you should provide a valid user ID "

                                "or a valid user UUID"))

        if options.get('admin'):

            user.is_superuser = True

        elif options.get('noadmin'):

            user.is_superuser = False

        if options.get('reject'):

            reject_reason = options.get('reject_reason', None)

            res = activation_backend.handle_moderation(

                user,

                accept=False,

                reject_reason=reject_reason)

            activation_backend.send_result_notifications(res, user)

            if res.is_error():

                print "Failed to reject.", res.message

            else:

                print "Account rejected"

        if options.get('verify'):

            res = activation_backend.handle_verification(

                user,

                user.verification_code)

            #activation_backend.send_result_notifications(res, user)

            if res.is_error():

                print "Failed to verify.", res.message

            else:

                print "Account verified (%s)" % res.status_display()

        if options.get('accept'):

            res = activation_backend.handle_moderation(user, accept=True)

            activation_backend.send_result_notifications(res, user)

            if res.is_error():

                print "Failed to accept.", res.message

            else:

                print "Account accepted and activated"

        if options.get('active'):

            res = activation_backend.activate_user(user)

            if res.is_error():

                print "Failed to activate.", res.message

            else:

                print "Account %s activated" % user.username

        elif options.get('inactive'):

            res = activation_backend.deactivate_user(

                user,

                reason=options.get('inactive_reason', None))

            if res.is_error():

                print "Failed to deactivate,", res.message

            else:

                print "Account %s deactivated" % user.username

        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 = Group.objects.get(name=groupname)

                user.groups.add(group)

            except Group.DoesNotExist, e:

                self.stderr.write(

                    "Group named %s does not exist\n" % groupname)

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

        if groupname is not None:

            try:

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

                user.groups.remove(group)

            except Group.DoesNotExist, e:

                self.stderr.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.stderr.write(

                        'Permission: %s created successfully\n' % pname)

                if r > 0:

                    self.stderr.write(

                        'Permission: %s added successfully\n' % pname)

                elif r == 0:

                    self.stderr.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.stderr.write(

                        'Invalid permission codename: %s\n' % pname)

                elif r == 0:

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

                elif r > 0:

                    self.stderr.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)

        password = None

        if options['renew_password']:

            password = AstakosUser.objects.make_random_password()

            user.set_password(password)

        if options['renew_token']:

            user.renew_token()

        if options['sign_terms']:

            user.has_signed_terms = True

            user.date_signed_terms = datetime.now()

        try:

            user.save()

        except ValidationError, e:

            raise CommandError(e)

        if password:

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

        delete = options.get('delete')

        if delete:

            if user.is_accepted():

                m = "Cannot delete. User %s is accepted." % user

                raise CommandError(m)

            management.call_command('user-show', str(user.pk),

                                    list_quotas=True)

            if not force:

                self.stdout.write("About to delete user %s. " % user.uuid)

                self.confirm()

            user.delete()

        # Change users email address

        newemail = options.get('set-email', None)

        if newemail is not None:

            newemail = newemail.strip()

            try:

                validate_email(newemail)

            except ValidationError:

                m = "Invalid email address."

                raise CommandError(m)

            if AstakosUser.objects.user_exists(newemail):

                m = "A user with this email address already exists."

                raise CommandError(m)

            user.set_email(newemail)

            user.save()

    def confirm(self):

        self.stdout.write("Confirm? [y/N] ")

        try:

            response = raw_input()

        except EOFError:

            response = "ABORT"

        if string.lower(response) not in ['y', 'yes']:

            self.stderr.write("Aborted.\n")

            exit()

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

        pass