root / snf-astakos-app / astakos / im / models.py @ 73fbaec4
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# Copyright 2011-2012 GRNET S.A. All rights reserved.
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#
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# Redistribution and use in source and binary forms, with or
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# without modification, are permitted provided that the following
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# conditions are met:
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#
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# 1. Redistributions of source code must retain the above
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# copyright notice, this list of conditions and the following
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# disclaimer.
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#
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# 2. Redistributions in binary form must reproduce the above
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# copyright notice, this list of conditions and the following
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# disclaimer in the documentation and/or other materials
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# provided with the distribution.
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#
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# THIS SOFTWARE IS PROVIDED BY GRNET S.A. ``AS IS'' AND ANY EXPRESS
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# OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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# WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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# PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL GRNET S.A OR
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# CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
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# USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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# AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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# ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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# POSSIBILITY OF SUCH DAMAGE.
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#
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# The views and conclusions contained in the software and
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# documentation are those of the authors and should not be
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# interpreted as representing official policies, either expressed
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# or implied, of GRNET S.A.
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import hashlib |
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import uuid |
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import logging |
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from time import asctime |
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from datetime import datetime, timedelta |
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from base64 import b64encode |
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from urlparse import urlparse |
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from urllib import quote |
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from random import randint |
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from collections import defaultdict, namedtuple |
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from django.db import models, IntegrityError |
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from django.contrib.auth.models import User, UserManager, Group, Permission |
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from django.utils.translation import ugettext as _ |
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from django.db import transaction |
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from django.core.exceptions import ValidationError |
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from django.db.models.signals import ( |
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pre_save, post_save, post_syncdb, post_delete) |
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from django.contrib.contenttypes.models import ContentType |
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from django.dispatch import Signal |
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from django.db.models import Q |
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from django.core.urlresolvers import reverse |
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from django.utils.http import int_to_base36 |
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from django.contrib.auth.tokens import default_token_generator |
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from django.conf import settings |
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from django.utils.importlib import import_module |
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from django.core.validators import email_re |
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from django.core.exceptions import PermissionDenied, ObjectDoesNotExist |
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from astakos.im.settings import ( |
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DEFAULT_USER_LEVEL, INVITATIONS_PER_LEVEL, |
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AUTH_TOKEN_DURATION, BILLING_FIELDS, |
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EMAILCHANGE_ACTIVATION_DAYS, LOGGING_LEVEL, |
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SITENAME, SERVICES) |
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from astakos.im.endpoints.qh import ( |
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register_users, send_quota, register_resources) |
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from astakos.im import auth_providers |
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#from astakos.im.endpoints.aquarium.producer import report_user_event
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#from astakos.im.tasks import propagate_groupmembers_quota
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import astakos.im.messages as astakos_messages |
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logger = logging.getLogger(__name__) |
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DEFAULT_CONTENT_TYPE = None
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_content_type = None
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PENDING, APPROVED, REPLACED, UNKNOWN = 'Pending', 'Approved', 'Replaced', 'Unknown' |
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|
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def get_content_type(): |
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global _content_type
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if _content_type is not None: |
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return _content_type
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try:
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content_type = ContentType.objects.get(app_label='im', model='astakosuser') |
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except:
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content_type = DEFAULT_CONTENT_TYPE |
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_content_type = content_type |
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return content_type
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RESOURCE_SEPARATOR = '.'
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inf = float('inf') |
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class Service(models.Model): |
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name = models.CharField(_('Name'), max_length=255, unique=True, db_index=True) |
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url = models.FilePathField() |
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icon = models.FilePathField(blank=True)
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auth_token = models.CharField(_('Authentication Token'), max_length=32, |
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null=True, blank=True) |
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auth_token_created = models.DateTimeField(_('Token creation date'), null=True) |
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auth_token_expires = models.DateTimeField( |
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_('Token expiration date'), null=True) |
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|
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def renew_token(self): |
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md5 = hashlib.md5() |
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md5.update(self.name.encode('ascii', 'ignore')) |
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md5.update(self.url.encode('ascii', 'ignore')) |
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md5.update(asctime()) |
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self.auth_token = b64encode(md5.digest())
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self.auth_token_created = datetime.now()
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self.auth_token_expires = self.auth_token_created + \ |
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timedelta(hours=AUTH_TOKEN_DURATION) |
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def __str__(self): |
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return self.name |
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@property
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def resources(self): |
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return self.resource_set.all() |
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@resources.setter
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def resources(self, resources): |
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for s in resources: |
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self.resource_set.create(**s)
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def add_resource(self, service, resource, uplimit, update=True): |
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"""Raises ObjectDoesNotExist, IntegrityError"""
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resource = Resource.objects.get(service__name=service, name=resource) |
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if update:
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AstakosUserQuota.objects.update_or_create(user=self,
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resource=resource, |
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defaults={'uplimit': uplimit})
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else:
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q = self.astakosuserquota_set
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q.create(resource=resource, uplimit=uplimit) |
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class ResourceMetadata(models.Model): |
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key = models.CharField(_('Name'), max_length=255, unique=True, db_index=True) |
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value = models.CharField(_('Value'), max_length=255) |
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class Resource(models.Model): |
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name = models.CharField(_('Name'), max_length=255) |
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meta = models.ManyToManyField(ResourceMetadata) |
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service = models.ForeignKey(Service) |
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desc = models.TextField(_('Description'), null=True) |
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unit = models.CharField(_('Name'), null=True, max_length=255) |
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group = models.CharField(_('Group'), null=True, max_length=255) |
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class Meta: |
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unique_together = ("name", "service") |
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|
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def __str__(self): |
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return '%s%s%s' % (self.service, RESOURCE_SEPARATOR, self.name) |
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class GroupKind(models.Model): |
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name = models.CharField(_('Name'), max_length=255, unique=True, db_index=True) |
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def __str__(self): |
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return self.name |
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class AstakosGroup(Group): |
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kind = models.ForeignKey(GroupKind) |
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homepage = models.URLField( |
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_('Homepage Url'), max_length=255, null=True, blank=True) |
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desc = models.TextField(_('Description'), null=True) |
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policy = models.ManyToManyField( |
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Resource, |
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null=True,
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blank=True,
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through='AstakosGroupQuota'
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) |
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creation_date = models.DateTimeField( |
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_('Creation date'),
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default=datetime.now() |
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) |
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issue_date = models.DateTimeField( |
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_('Start date'),
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null=True
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) |
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expiration_date = models.DateTimeField( |
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_('Expiration date'),
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null=True
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) |
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moderation_enabled = models.BooleanField( |
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_('Moderated membership?'),
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default=True
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) |
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approval_date = models.DateTimeField( |
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_('Activation date'),
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null=True,
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blank=True
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) |
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estimated_participants = models.PositiveIntegerField( |
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_('Estimated #members'),
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null=True,
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blank=True,
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) |
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max_participants = models.PositiveIntegerField( |
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_('Maximum numder of participants'),
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null=True,
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blank=True
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) |
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@property
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def is_disabled(self): |
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if not self.approval_date: |
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return True |
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return False |
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@property
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def is_enabled(self): |
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if self.is_disabled: |
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return False |
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if not self.issue_date: |
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return False |
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if not self.expiration_date: |
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return True |
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now = datetime.now() |
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if self.issue_date > now: |
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return False |
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if now >= self.expiration_date: |
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return False |
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return True |
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def enable(self): |
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if self.is_enabled: |
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return
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self.approval_date = datetime.now()
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self.save()
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quota_disturbed.send(sender=self, users=self.approved_members) |
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#propagate_groupmembers_quota.apply_async(
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# args=[self], eta=self.issue_date)
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#propagate_groupmembers_quota.apply_async(
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# args=[self], eta=self.expiration_date)
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def disable(self): |
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if self.is_disabled: |
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return
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self.approval_date = None |
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self.save()
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quota_disturbed.send(sender=self, users=self.approved_members) |
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def approve_member(self, person): |
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m, created = self.membership_set.get_or_create(person=person)
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m.approve() |
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@property
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def members(self): |
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q = self.membership_set.select_related().all()
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return [m.person for m in q] |
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@property
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def approved_members(self): |
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q = self.membership_set.select_related().all()
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return [m.person for m in q if m.is_approved] |
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@property
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def quota(self): |
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d = defaultdict(int)
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for q in self.astakosgroupquota_set.select_related().all(): |
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d[q.resource] += q.uplimit or inf
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return d
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def add_policy(self, service, resource, uplimit, update=True): |
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"""Raises ObjectDoesNotExist, IntegrityError"""
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resource = Resource.objects.get(service__name=service, name=resource) |
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if update:
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AstakosGroupQuota.objects.update_or_create( |
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group=self,
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resource=resource, |
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defaults={'uplimit': uplimit}
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) |
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else:
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q = self.astakosgroupquota_set
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q.create(resource=resource, uplimit=uplimit) |
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@property
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def policies(self): |
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return self.astakosgroupquota_set.select_related().all() |
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@policies.setter
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def policies(self, policies): |
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for p in policies: |
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service = p.get('service', None) |
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resource = p.get('resource', None) |
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uplimit = p.get('uplimit', 0) |
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update = p.get('update', True) |
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self.add_policy(service, resource, uplimit, update)
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|
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@property
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def owners(self): |
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return self.owner.all() |
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@property
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def owner_details(self): |
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return self.owner.select_related().all() |
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@owners.setter
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def owners(self, l): |
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self.owner = l
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map(self.approve_member, l) |
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_default_quota = {} |
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def get_default_quota(): |
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global _default_quota
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if _default_quota:
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return _default_quota
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for s, data in SERVICES.iteritems(): |
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map(
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lambda d:_default_quota.update(
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{'%s%s%s' % (s, RESOURCE_SEPARATOR, d.get('name')):d.get('uplimit', 0)} |
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), |
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data.get('resources', {})
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) |
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return _default_quota
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class AstakosUserManager(UserManager): |
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def get_auth_provider_user(self, provider, **kwargs): |
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"""
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Retrieve AstakosUser instance associated with the specified third party
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id.
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"""
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kwargs = dict(map(lambda x: ('auth_providers__%s' % x[0], x[1]), |
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kwargs.iteritems())) |
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return self.get(auth_providers__module=provider, **kwargs) |
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|
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class AstakosUser(User): |
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"""
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Extends ``django.contrib.auth.models.User`` by defining additional fields.
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"""
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affiliation = models.CharField(_('Affiliation'), max_length=255, blank=True, |
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null=True)
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# DEPRECATED FIELDS: provider, third_party_identifier moved in
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# AstakosUserProvider model.
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provider = models.CharField(_('Provider'), max_length=255, blank=True, |
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null=True)
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# ex. screen_name for twitter, eppn for shibboleth
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third_party_identifier = models.CharField(_('Third-party identifier'),
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max_length=255, null=True, |
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blank=True)
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|
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#for invitations
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user_level = DEFAULT_USER_LEVEL |
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level = models.IntegerField(_('Inviter level'), default=user_level)
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invitations = models.IntegerField( |
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_('Invitations left'), default=INVITATIONS_PER_LEVEL.get(user_level, 0)) |
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|
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auth_token = models.CharField(_('Authentication Token'), max_length=32, |
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null=True, blank=True) |
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auth_token_created = models.DateTimeField(_('Token creation date'), null=True) |
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auth_token_expires = models.DateTimeField( |
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_('Token expiration date'), null=True) |
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|
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updated = models.DateTimeField(_('Update date'))
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is_verified = models.BooleanField(_('Is verified?'), default=False) |
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|
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email_verified = models.BooleanField(_('Email verified?'), default=False) |
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|
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has_credits = models.BooleanField(_('Has credits?'), default=False) |
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has_signed_terms = models.BooleanField( |
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_('I agree with the terms'), default=False) |
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date_signed_terms = models.DateTimeField( |
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_('Signed terms date'), null=True, blank=True) |
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|
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activation_sent = models.DateTimeField( |
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_('Activation sent data'), null=True, blank=True) |
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|
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policy = models.ManyToManyField( |
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Resource, null=True, through='AstakosUserQuota') |
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|
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astakos_groups = models.ManyToManyField( |
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AstakosGroup, verbose_name=_('agroups'), blank=True, |
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help_text=_(astakos_messages.ASTAKOSUSER_GROUPS_HELP), |
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through='Membership')
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|
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__has_signed_terms = False
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disturbed_quota = models.BooleanField(_('Needs quotaholder syncing'),
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default=False, db_index=True) |
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|
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objects = AstakosUserManager() |
396 |
|
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owner = models.ManyToManyField( |
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AstakosGroup, related_name='owner', null=True) |
399 |
|
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class Meta: |
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unique_together = ("provider", "third_party_identifier") |
402 |
|
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def __init__(self, *args, **kwargs): |
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super(AstakosUser, self).__init__(*args, **kwargs) |
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self.__has_signed_terms = self.has_signed_terms |
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if not self.id: |
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self.is_active = False |
408 |
|
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@property
|
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def realname(self): |
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return '%s %s' % (self.first_name, self.last_name) |
412 |
|
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@realname.setter
|
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def realname(self, value): |
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parts = value.split(' ')
|
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if len(parts) == 2: |
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self.first_name = parts[0] |
418 |
self.last_name = parts[1] |
419 |
else:
|
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self.last_name = parts[0] |
421 |
|
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def add_permission(self, pname): |
423 |
if self.has_perm(pname): |
424 |
return
|
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p, created = Permission.objects.get_or_create( |
426 |
codename=pname, |
427 |
name=pname.capitalize(), |
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content_type=get_content_type()) |
429 |
self.user_permissions.add(p)
|
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|
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def remove_permission(self, pname): |
432 |
if self.has_perm(pname): |
433 |
return
|
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p = Permission.objects.get(codename=pname, |
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content_type=get_content_type()) |
436 |
self.user_permissions.remove(p)
|
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|
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@property
|
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def invitation(self): |
440 |
try:
|
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return Invitation.objects.get(username=self.email) |
442 |
except Invitation.DoesNotExist:
|
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return None |
444 |
|
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@property
|
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def quota(self): |
447 |
"""Returns a dict with the sum of quota limits per resource"""
|
448 |
d = defaultdict(int)
|
449 |
default_quota = get_default_quota() |
450 |
d.update(default_quota) |
451 |
for q in self.policies: |
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d[q.resource] += q.uplimit or inf
|
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for m in self.projectmembership_set.select_related().all(): |
454 |
if not m.acceptance_date: |
455 |
continue
|
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p = m.project |
457 |
if not p.is_active: |
458 |
continue
|
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grants = p.current_application.projectresourcegrant_set.all() |
460 |
for g in grants: |
461 |
d[str(g.resource)] += g.member_capacity or inf |
462 |
# TODO set default for remaining
|
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return d
|
464 |
|
465 |
@property
|
466 |
def policies(self): |
467 |
return self.astakosuserquota_set.select_related().all() |
468 |
|
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@policies.setter
|
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def policies(self, policies): |
471 |
for p in policies: |
472 |
service = policies.get('service', None) |
473 |
resource = policies.get('resource', None) |
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uplimit = policies.get('uplimit', 0) |
475 |
update = policies.get('update', True) |
476 |
self.add_policy(service, resource, uplimit, update)
|
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|
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def add_policy(self, service, resource, uplimit, update=True): |
479 |
"""Raises ObjectDoesNotExist, IntegrityError"""
|
480 |
resource = Resource.objects.get(service__name=service, name=resource) |
481 |
if update:
|
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AstakosUserQuota.objects.update_or_create(user=self,
|
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resource=resource, |
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defaults={'uplimit': uplimit})
|
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else:
|
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q = self.astakosuserquota_set
|
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q.create(resource=resource, uplimit=uplimit) |
488 |
|
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def remove_policy(self, service, resource): |
490 |
"""Raises ObjectDoesNotExist, IntegrityError"""
|
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resource = Resource.objects.get(service__name=service, name=resource) |
492 |
q = self.policies.get(resource=resource).delete()
|
493 |
|
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@property
|
495 |
def extended_groups(self): |
496 |
return self.membership_set.select_related().all() |
497 |
|
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@extended_groups.setter
|
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def extended_groups(self, groups): |
500 |
#TODO exceptions
|
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for name in (groups or ()): |
502 |
group = AstakosGroup.objects.get(name=name) |
503 |
self.membership_set.create(group=group)
|
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|
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def save(self, update_timestamps=True, **kwargs): |
506 |
if update_timestamps:
|
507 |
if not self.id: |
508 |
self.date_joined = datetime.now()
|
509 |
self.updated = datetime.now()
|
510 |
|
511 |
# update date_signed_terms if necessary
|
512 |
if self.__has_signed_terms != self.has_signed_terms: |
513 |
self.date_signed_terms = datetime.now()
|
514 |
|
515 |
if not self.id: |
516 |
# set username
|
517 |
self.username = self.email |
518 |
|
519 |
self.validate_unique_email_isactive()
|
520 |
if self.is_active and self.activation_sent: |
521 |
# reset the activation sent
|
522 |
self.activation_sent = None |
523 |
|
524 |
super(AstakosUser, self).save(**kwargs) |
525 |
|
526 |
def renew_token(self, flush_sessions=False, current_key=None): |
527 |
md5 = hashlib.md5() |
528 |
md5.update(settings.SECRET_KEY) |
529 |
md5.update(self.username)
|
530 |
md5.update(self.realname.encode('ascii', 'ignore')) |
531 |
md5.update(asctime()) |
532 |
|
533 |
self.auth_token = b64encode(md5.digest())
|
534 |
self.auth_token_created = datetime.now()
|
535 |
self.auth_token_expires = self.auth_token_created + \ |
536 |
timedelta(hours=AUTH_TOKEN_DURATION) |
537 |
if flush_sessions:
|
538 |
self.flush_sessions(current_key)
|
539 |
msg = 'Token renewed for %s' % self.email |
540 |
logger.log(LOGGING_LEVEL, msg) |
541 |
|
542 |
def flush_sessions(self, current_key=None): |
543 |
q = self.sessions
|
544 |
if current_key:
|
545 |
q = q.exclude(session_key=current_key) |
546 |
|
547 |
keys = q.values_list('session_key', flat=True) |
548 |
if keys:
|
549 |
msg = 'Flushing sessions: %s' % ','.join(keys) |
550 |
logger.log(LOGGING_LEVEL, msg, []) |
551 |
engine = import_module(settings.SESSION_ENGINE) |
552 |
for k in keys: |
553 |
s = engine.SessionStore(k) |
554 |
s.flush() |
555 |
|
556 |
def __unicode__(self): |
557 |
return '%s (%s)' % (self.realname, self.email) |
558 |
|
559 |
def conflicting_email(self): |
560 |
q = AstakosUser.objects.exclude(username=self.username)
|
561 |
q = q.filter(email__iexact=self.email)
|
562 |
if q.count() != 0: |
563 |
return True |
564 |
return False |
565 |
|
566 |
def validate_unique_email_isactive(self): |
567 |
"""
|
568 |
Implements a unique_together constraint for email and is_active fields.
|
569 |
"""
|
570 |
q = AstakosUser.objects.all() |
571 |
q = q.filter(email = self.email)
|
572 |
q = q.filter(is_active = self.is_active)
|
573 |
if self.id: |
574 |
q = q.filter(~Q(id = self.id))
|
575 |
if q.count() != 0: |
576 |
m = 'Another account with the same email = %(email)s & \
|
577 |
is_active = %(is_active)s found.' % __self__
|
578 |
raise ValidationError(m)
|
579 |
|
580 |
@property
|
581 |
def signed_terms(self): |
582 |
term = get_latest_terms() |
583 |
if not term: |
584 |
return True |
585 |
if not self.has_signed_terms: |
586 |
return False |
587 |
if not self.date_signed_terms: |
588 |
return False |
589 |
if self.date_signed_terms < term.date: |
590 |
self.has_signed_terms = False |
591 |
self.date_signed_terms = None |
592 |
self.save()
|
593 |
return False |
594 |
return True |
595 |
|
596 |
def set_invitations_level(self): |
597 |
"""
|
598 |
Update user invitation level
|
599 |
"""
|
600 |
level = self.invitation.inviter.level + 1 |
601 |
self.level = level
|
602 |
self.invitations = INVITATIONS_PER_LEVEL.get(level, 0) |
603 |
|
604 |
def can_login_with_auth_provider(self, provider): |
605 |
if not self.has_auth_provider(provider): |
606 |
return False |
607 |
else:
|
608 |
return auth_providers.get_provider(provider).is_available_for_login()
|
609 |
|
610 |
def can_add_auth_provider(self, provider, **kwargs): |
611 |
provider_settings = auth_providers.get_provider(provider) |
612 |
if not provider_settings.is_available_for_login(): |
613 |
return False |
614 |
|
615 |
if self.has_auth_provider(provider) and \ |
616 |
provider_settings.one_per_user: |
617 |
return False |
618 |
|
619 |
if 'identifier' in kwargs: |
620 |
try:
|
621 |
# provider with specified params already exist
|
622 |
existing_user = AstakosUser.objects.get_auth_provider_user(provider, |
623 |
**kwargs) |
624 |
except AstakosUser.DoesNotExist:
|
625 |
return True |
626 |
else:
|
627 |
return False |
628 |
|
629 |
return True |
630 |
|
631 |
def can_remove_auth_provider(self, provider): |
632 |
if len(self.get_active_auth_providers()) <= 1: |
633 |
return False |
634 |
return True |
635 |
|
636 |
def can_change_password(self): |
637 |
return self.has_auth_provider('local', auth_backend='astakos') |
638 |
|
639 |
def has_auth_provider(self, provider, **kwargs): |
640 |
return bool(self.auth_providers.filter(module=provider, |
641 |
**kwargs).count()) |
642 |
|
643 |
def add_auth_provider(self, provider, **kwargs): |
644 |
if self.can_add_auth_provider(provider, **kwargs): |
645 |
self.auth_providers.create(module=provider, active=True, **kwargs) |
646 |
else:
|
647 |
raise Exception('Cannot add provider') |
648 |
|
649 |
def add_pending_auth_provider(self, pending): |
650 |
"""
|
651 |
Convert PendingThirdPartyUser object to AstakosUserAuthProvider entry for
|
652 |
the current user.
|
653 |
"""
|
654 |
if not isinstance(pending, PendingThirdPartyUser): |
655 |
pending = PendingThirdPartyUser.objects.get(token=pending) |
656 |
|
657 |
provider = self.add_auth_provider(pending.provider,
|
658 |
identifier=pending.third_party_identifier) |
659 |
|
660 |
if email_re.match(pending.email or '') and pending.email != self.email: |
661 |
self.additionalmail_set.get_or_create(email=pending.email)
|
662 |
|
663 |
pending.delete() |
664 |
return provider
|
665 |
|
666 |
def remove_auth_provider(self, provider, **kwargs): |
667 |
self.auth_providers.get(module=provider, **kwargs).delete()
|
668 |
|
669 |
# user urls
|
670 |
def get_resend_activation_url(self): |
671 |
return reverse('send_activation', {'user_id': self.pk}) |
672 |
|
673 |
def get_activation_url(self, nxt=False): |
674 |
url = "%s?auth=%s" % (reverse('astakos.im.views.activate'), |
675 |
quote(self.auth_token))
|
676 |
if nxt:
|
677 |
url += "&next=%s" % quote(nxt)
|
678 |
return url
|
679 |
|
680 |
def get_password_reset_url(self, token_generator=default_token_generator): |
681 |
return reverse('django.contrib.auth.views.password_reset_confirm', |
682 |
kwargs={'uidb36':int_to_base36(self.id), |
683 |
'token':token_generator.make_token(self)}) |
684 |
|
685 |
def get_auth_providers(self): |
686 |
return self.auth_providers.all() |
687 |
|
688 |
def get_available_auth_providers(self): |
689 |
"""
|
690 |
Returns a list of providers available for user to connect to.
|
691 |
"""
|
692 |
providers = [] |
693 |
for module, provider_settings in auth_providers.PROVIDERS.iteritems(): |
694 |
if self.can_add_auth_provider(module): |
695 |
providers.append(provider_settings(self))
|
696 |
|
697 |
return providers
|
698 |
|
699 |
def get_active_auth_providers(self): |
700 |
providers = [] |
701 |
for provider in self.auth_providers.active(): |
702 |
if auth_providers.get_provider(provider.module).is_available_for_login():
|
703 |
providers.append(provider) |
704 |
return providers
|
705 |
|
706 |
@property
|
707 |
def auth_providers_display(self): |
708 |
return ",".join(map(lambda x:unicode(x), self.auth_providers.active())) |
709 |
|
710 |
|
711 |
class AstakosUserAuthProviderManager(models.Manager): |
712 |
|
713 |
def active(self): |
714 |
return self.filter(active=True) |
715 |
|
716 |
|
717 |
class AstakosUserAuthProvider(models.Model): |
718 |
"""
|
719 |
Available user authentication methods.
|
720 |
"""
|
721 |
affiliation = models.CharField(_('Affiliation'), max_length=255, blank=True, |
722 |
null=True, default=None) |
723 |
user = models.ForeignKey(AstakosUser, related_name='auth_providers')
|
724 |
module = models.CharField(_('Provider'), max_length=255, blank=False, |
725 |
default='local')
|
726 |
identifier = models.CharField(_('Third-party identifier'),
|
727 |
max_length=255, null=True, |
728 |
blank=True)
|
729 |
active = models.BooleanField(default=True)
|
730 |
auth_backend = models.CharField(_('Backend'), max_length=255, blank=False, |
731 |
default='astakos')
|
732 |
|
733 |
objects = AstakosUserAuthProviderManager() |
734 |
|
735 |
class Meta: |
736 |
unique_together = (('identifier', 'module', 'user'), ) |
737 |
|
738 |
@property
|
739 |
def settings(self): |
740 |
return auth_providers.get_provider(self.module) |
741 |
|
742 |
@property
|
743 |
def details_display(self): |
744 |
return self.settings.details_tpl % self.__dict__ |
745 |
|
746 |
def can_remove(self): |
747 |
return self.user.can_remove_auth_provider(self.module) |
748 |
|
749 |
def delete(self, *args, **kwargs): |
750 |
ret = super(AstakosUserAuthProvider, self).delete(*args, **kwargs) |
751 |
if self.module == 'local': |
752 |
self.user.set_unusable_password()
|
753 |
self.user.save()
|
754 |
return ret
|
755 |
|
756 |
def __repr__(self): |
757 |
return '<AstakosUserAuthProvider %s:%s>' % (self.module, self.identifier) |
758 |
|
759 |
def __unicode__(self): |
760 |
if self.identifier: |
761 |
return "%s:%s" % (self.module, self.identifier) |
762 |
if self.auth_backend: |
763 |
return "%s:%s" % (self.module, self.auth_backend) |
764 |
return self.module |
765 |
|
766 |
|
767 |
|
768 |
class Membership(models.Model): |
769 |
person = models.ForeignKey(AstakosUser) |
770 |
group = models.ForeignKey(AstakosGroup) |
771 |
date_requested = models.DateField(default=datetime.now(), blank=True)
|
772 |
date_joined = models.DateField(null=True, db_index=True, blank=True) |
773 |
|
774 |
class Meta: |
775 |
unique_together = ("person", "group") |
776 |
|
777 |
def save(self, *args, **kwargs): |
778 |
if not self.id: |
779 |
if not self.group.moderation_enabled: |
780 |
self.date_joined = datetime.now()
|
781 |
super(Membership, self).save(*args, **kwargs) |
782 |
|
783 |
@property
|
784 |
def is_approved(self): |
785 |
if self.date_joined: |
786 |
return True |
787 |
return False |
788 |
|
789 |
def approve(self): |
790 |
if self.is_approved: |
791 |
return
|
792 |
if self.group.max_participants: |
793 |
assert len(self.group.approved_members) + 1 <= self.group.max_participants, \ |
794 |
'Maximum participant number has been reached.'
|
795 |
self.date_joined = datetime.now()
|
796 |
self.save()
|
797 |
quota_disturbed.send(sender=self, users=(self.person,)) |
798 |
|
799 |
def disapprove(self): |
800 |
approved = self.is_approved()
|
801 |
self.delete()
|
802 |
if approved:
|
803 |
quota_disturbed.send(sender=self, users=(self.person,)) |
804 |
|
805 |
class ExtendedManager(models.Manager): |
806 |
def _update_or_create(self, **kwargs): |
807 |
assert kwargs, \
|
808 |
'update_or_create() must be passed at least one keyword argument'
|
809 |
obj, created = self.get_or_create(**kwargs)
|
810 |
defaults = kwargs.pop('defaults', {})
|
811 |
if created:
|
812 |
return obj, True, False |
813 |
else:
|
814 |
try:
|
815 |
params = dict(
|
816 |
[(k, v) for k, v in kwargs.items() if '__' not in k]) |
817 |
params.update(defaults) |
818 |
for attr, val in params.items(): |
819 |
if hasattr(obj, attr): |
820 |
setattr(obj, attr, val)
|
821 |
sid = transaction.savepoint() |
822 |
obj.save(force_update=True)
|
823 |
transaction.savepoint_commit(sid) |
824 |
return obj, False, True |
825 |
except IntegrityError, e:
|
826 |
transaction.savepoint_rollback(sid) |
827 |
try:
|
828 |
return self.get(**kwargs), False, False |
829 |
except self.model.DoesNotExist: |
830 |
raise e
|
831 |
|
832 |
update_or_create = _update_or_create |
833 |
|
834 |
class AstakosGroupQuota(models.Model): |
835 |
objects = ExtendedManager() |
836 |
limit = models.PositiveIntegerField(_('Limit'), null=True) # obsolete field |
837 |
uplimit = models.BigIntegerField(_('Up limit'), null=True) |
838 |
resource = models.ForeignKey(Resource) |
839 |
group = models.ForeignKey(AstakosGroup, blank=True)
|
840 |
|
841 |
class Meta: |
842 |
unique_together = ("resource", "group") |
843 |
|
844 |
class AstakosUserQuota(models.Model): |
845 |
objects = ExtendedManager() |
846 |
limit = models.PositiveIntegerField(_('Limit'), null=True) # obsolete field |
847 |
uplimit = models.BigIntegerField(_('Up limit'), null=True) |
848 |
resource = models.ForeignKey(Resource) |
849 |
user = models.ForeignKey(AstakosUser) |
850 |
|
851 |
class Meta: |
852 |
unique_together = ("resource", "user") |
853 |
|
854 |
|
855 |
class ApprovalTerms(models.Model): |
856 |
"""
|
857 |
Model for approval terms
|
858 |
"""
|
859 |
|
860 |
date = models.DateTimeField( |
861 |
_('Issue date'), db_index=True, default=datetime.now()) |
862 |
location = models.CharField(_('Terms location'), max_length=255) |
863 |
|
864 |
|
865 |
class Invitation(models.Model): |
866 |
"""
|
867 |
Model for registring invitations
|
868 |
"""
|
869 |
inviter = models.ForeignKey(AstakosUser, related_name='invitations_sent',
|
870 |
null=True)
|
871 |
realname = models.CharField(_('Real name'), max_length=255) |
872 |
username = models.CharField(_('Unique ID'), max_length=255, unique=True) |
873 |
code = models.BigIntegerField(_('Invitation code'), db_index=True) |
874 |
is_consumed = models.BooleanField(_('Consumed?'), default=False) |
875 |
created = models.DateTimeField(_('Creation date'), auto_now_add=True) |
876 |
consumed = models.DateTimeField(_('Consumption date'), null=True, blank=True) |
877 |
|
878 |
def __init__(self, *args, **kwargs): |
879 |
super(Invitation, self).__init__(*args, **kwargs) |
880 |
if not self.id: |
881 |
self.code = _generate_invitation_code()
|
882 |
|
883 |
def consume(self): |
884 |
self.is_consumed = True |
885 |
self.consumed = datetime.now()
|
886 |
self.save()
|
887 |
|
888 |
def __unicode__(self): |
889 |
return '%s -> %s [%d]' % (self.inviter, self.username, self.code) |
890 |
|
891 |
|
892 |
class EmailChangeManager(models.Manager): |
893 |
@transaction.commit_on_success
|
894 |
def change_email(self, activation_key): |
895 |
"""
|
896 |
Validate an activation key and change the corresponding
|
897 |
``User`` if valid.
|
898 |
|
899 |
If the key is valid and has not expired, return the ``User``
|
900 |
after activating.
|
901 |
|
902 |
If the key is not valid or has expired, return ``None``.
|
903 |
|
904 |
If the key is valid but the ``User`` is already active,
|
905 |
return ``None``.
|
906 |
|
907 |
After successful email change the activation record is deleted.
|
908 |
|
909 |
Throws ValueError if there is already
|
910 |
"""
|
911 |
try:
|
912 |
email_change = self.model.objects.get(
|
913 |
activation_key=activation_key) |
914 |
if email_change.activation_key_expired():
|
915 |
email_change.delete() |
916 |
raise EmailChange.DoesNotExist
|
917 |
# is there an active user with this address?
|
918 |
try:
|
919 |
AstakosUser.objects.get(email__iexact=email_change.new_email_address) |
920 |
except AstakosUser.DoesNotExist:
|
921 |
pass
|
922 |
else:
|
923 |
raise ValueError(_('The new email address is reserved.')) |
924 |
# update user
|
925 |
user = AstakosUser.objects.get(pk=email_change.user_id) |
926 |
user.email = email_change.new_email_address |
927 |
user.save() |
928 |
email_change.delete() |
929 |
return user
|
930 |
except EmailChange.DoesNotExist:
|
931 |
raise ValueError(_('Invalid activation key.')) |
932 |
|
933 |
|
934 |
class EmailChange(models.Model): |
935 |
new_email_address = models.EmailField( |
936 |
_(u'new e-mail address'),
|
937 |
help_text=_('Your old email address will be used until you verify your new one.'))
|
938 |
user = models.ForeignKey( |
939 |
AstakosUser, unique=True, related_name='emailchange_user') |
940 |
requested_at = models.DateTimeField(default=datetime.now()) |
941 |
activation_key = models.CharField( |
942 |
max_length=40, unique=True, db_index=True) |
943 |
|
944 |
objects = EmailChangeManager() |
945 |
|
946 |
def activation_key_expired(self): |
947 |
expiration_date = timedelta(days=EMAILCHANGE_ACTIVATION_DAYS) |
948 |
return self.requested_at + expiration_date < datetime.now() |
949 |
|
950 |
|
951 |
class AdditionalMail(models.Model): |
952 |
"""
|
953 |
Model for registring invitations
|
954 |
"""
|
955 |
owner = models.ForeignKey(AstakosUser) |
956 |
email = models.EmailField() |
957 |
|
958 |
|
959 |
def _generate_invitation_code(): |
960 |
while True: |
961 |
code = randint(1, 2L ** 63 - 1) |
962 |
try:
|
963 |
Invitation.objects.get(code=code) |
964 |
# An invitation with this code already exists, try again
|
965 |
except Invitation.DoesNotExist:
|
966 |
return code
|
967 |
|
968 |
|
969 |
def get_latest_terms(): |
970 |
try:
|
971 |
term = ApprovalTerms.objects.order_by('-id')[0] |
972 |
return term
|
973 |
except IndexError: |
974 |
pass
|
975 |
return None |
976 |
|
977 |
class PendingThirdPartyUser(models.Model): |
978 |
"""
|
979 |
Model for registring successful third party user authentications
|
980 |
"""
|
981 |
third_party_identifier = models.CharField(_('Third-party identifier'), max_length=255, null=True, blank=True) |
982 |
provider = models.CharField(_('Provider'), max_length=255, blank=True) |
983 |
email = models.EmailField(_('e-mail address'), blank=True, null=True) |
984 |
first_name = models.CharField(_('first name'), max_length=30, blank=True) |
985 |
last_name = models.CharField(_('last name'), max_length=30, blank=True) |
986 |
affiliation = models.CharField('Affiliation', max_length=255, blank=True) |
987 |
username = models.CharField(_('username'), max_length=30, unique=True, help_text=_("Required. 30 characters or fewer. Letters, numbers and @/./+/-/_ characters")) |
988 |
token = models.CharField(_('Token'), max_length=255, null=True, blank=True) |
989 |
created = models.DateTimeField(auto_now_add=True, null=True, blank=True) |
990 |
|
991 |
class Meta: |
992 |
unique_together = ("provider", "third_party_identifier") |
993 |
|
994 |
@property
|
995 |
def realname(self): |
996 |
return '%s %s' %(self.first_name, self.last_name) |
997 |
|
998 |
@realname.setter
|
999 |
def realname(self, value): |
1000 |
parts = value.split(' ')
|
1001 |
if len(parts) == 2: |
1002 |
self.first_name = parts[0] |
1003 |
self.last_name = parts[1] |
1004 |
else:
|
1005 |
self.last_name = parts[0] |
1006 |
|
1007 |
def save(self, **kwargs): |
1008 |
if not self.id: |
1009 |
# set username
|
1010 |
while not self.username: |
1011 |
username = uuid.uuid4().hex[:30]
|
1012 |
try:
|
1013 |
AstakosUser.objects.get(username = username) |
1014 |
except AstakosUser.DoesNotExist, e:
|
1015 |
self.username = username
|
1016 |
super(PendingThirdPartyUser, self).save(**kwargs) |
1017 |
|
1018 |
def generate_token(self): |
1019 |
self.password = self.third_party_identifier |
1020 |
self.last_login = datetime.now()
|
1021 |
self.token = default_token_generator.make_token(self) |
1022 |
|
1023 |
class SessionCatalog(models.Model): |
1024 |
session_key = models.CharField(_('session key'), max_length=40) |
1025 |
user = models.ForeignKey(AstakosUser, related_name='sessions', null=True) |
1026 |
|
1027 |
class MemberJoinPolicy(models.Model): |
1028 |
policy = models.CharField(_('Policy'), max_length=255, unique=True, db_index=True) |
1029 |
description = models.CharField(_('Description'), max_length=80) |
1030 |
|
1031 |
def __str__(self): |
1032 |
return self.policy |
1033 |
|
1034 |
class MemberLeavePolicy(models.Model): |
1035 |
policy = models.CharField(_('Policy'), max_length=255, unique=True, db_index=True) |
1036 |
description = models.CharField(_('Description'), max_length=80) |
1037 |
|
1038 |
def __str__(self): |
1039 |
return self.policy |
1040 |
|
1041 |
_auto_accept_join = False
|
1042 |
def get_auto_accept_join(): |
1043 |
global _auto_accept_join
|
1044 |
if _auto_accept_join is not False: |
1045 |
return _auto_accept_join
|
1046 |
try:
|
1047 |
auto_accept = MemberJoinPolicy.objects.get(policy='auto_accept')
|
1048 |
except:
|
1049 |
auto_accept = None
|
1050 |
_auto_accept_join = auto_accept |
1051 |
return auto_accept
|
1052 |
|
1053 |
_closed_join = False
|
1054 |
def get_closed_join(): |
1055 |
global _closed_join
|
1056 |
if _closed_join is not False: |
1057 |
return _closed_join
|
1058 |
try:
|
1059 |
closed = MemberJoinPolicy.objects.get(policy='closed')
|
1060 |
except:
|
1061 |
closed = None
|
1062 |
_closed_join = closed |
1063 |
return closed
|
1064 |
|
1065 |
_auto_accept_leave = False
|
1066 |
def get_auto_accept_leave(): |
1067 |
global _auto_accept_leave
|
1068 |
if _auto_accept_leave is not False: |
1069 |
return _auto_accept_leave
|
1070 |
try:
|
1071 |
auto_accept = MemberLeavePolicy.objects.get(policy='auto_accept')
|
1072 |
except:
|
1073 |
auto_accept = None
|
1074 |
_auto_accept_leave = auto_accept |
1075 |
return auto_accept
|
1076 |
|
1077 |
_closed_leave = False
|
1078 |
def get_closed_leave(): |
1079 |
global _closed_leave
|
1080 |
if _closed_leave is not False: |
1081 |
return _closed_leave
|
1082 |
try:
|
1083 |
closed = MemberLeavePolicy.objects.get(policy='closed')
|
1084 |
except:
|
1085 |
closed = None
|
1086 |
_closed_leave = closed |
1087 |
return closeds
|
1088 |
|
1089 |
|
1090 |
### PROJECTS ###
|
1091 |
################
|
1092 |
|
1093 |
|
1094 |
class SyncedModel(models.Model): |
1095 |
|
1096 |
new_state = models.BigIntegerField() |
1097 |
synced_state = models.BigIntegerField() |
1098 |
STATUS_SYNCED = 0
|
1099 |
STATUS_PENDING = 1
|
1100 |
sync_status = models.IntegerField(db_index=True)
|
1101 |
|
1102 |
class Meta: |
1103 |
abstract = True
|
1104 |
|
1105 |
class NotSynced(Exception): |
1106 |
pass
|
1107 |
|
1108 |
def sync_init_state(self, state): |
1109 |
self.synced_state = state
|
1110 |
self.new_state = state
|
1111 |
self.sync_status = self.STATUS_SYNCED |
1112 |
|
1113 |
def sync_get_status(self): |
1114 |
return self.sync_status |
1115 |
|
1116 |
def sync_set_status(self): |
1117 |
if self.new_state != self.synced_state: |
1118 |
self.sync_status = self.STATUS_PENDING |
1119 |
else:
|
1120 |
self.sync_status = self.STATUS_SYNCED |
1121 |
|
1122 |
def sync_set_synced(self): |
1123 |
self.synced_state = self.new_state |
1124 |
self.sync_status = self.STATUS_SYNCED |
1125 |
|
1126 |
def sync_get_synced_state(self): |
1127 |
return self.synced_state |
1128 |
|
1129 |
def sync_set_new_state(self, new_state): |
1130 |
self.new_state = new_state
|
1131 |
self.sync_set_status()
|
1132 |
|
1133 |
def sync_get_new_state(self): |
1134 |
return self.new_state |
1135 |
|
1136 |
def sync_set_synced_state(self, synced_state): |
1137 |
self.synced_state = synced_state
|
1138 |
self.sync_set_status()
|
1139 |
|
1140 |
def sync_get_pending_objects(self): |
1141 |
return self.objects.filter(sync_status=self.STATUS_PENDING) |
1142 |
|
1143 |
def sync_get_synced_objects(self): |
1144 |
return self.objects.filter(sync_status=self.STATUS_SYNCED) |
1145 |
|
1146 |
def sync_verify_get_synced_state(self): |
1147 |
status = self.sync_get_status()
|
1148 |
state = self.sync_get_synced_state()
|
1149 |
verified = (status == self.STATUS_SYNCED)
|
1150 |
return state, verified
|
1151 |
|
1152 |
class ProjectApplication(models.Model): |
1153 |
states_list = [PENDING, APPROVED, REPLACED, UNKNOWN] |
1154 |
states = dict((k, v) for v, k in enumerate(states_list)) |
1155 |
|
1156 |
applicant = models.ForeignKey( |
1157 |
AstakosUser, |
1158 |
related_name='my_project_applications',
|
1159 |
db_index=True)
|
1160 |
owner = models.ForeignKey( |
1161 |
AstakosUser, |
1162 |
related_name='own_project_applications',
|
1163 |
db_index=True
|
1164 |
) |
1165 |
precursor_application = models.OneToOneField('ProjectApplication',
|
1166 |
null=True,
|
1167 |
blank=True,
|
1168 |
db_index=True
|
1169 |
) |
1170 |
state = models.CharField(max_length=80, default=UNKNOWN)
|
1171 |
|
1172 |
name = models.CharField(max_length=80)
|
1173 |
homepage = models.URLField(max_length=255, null=True, blank=True) |
1174 |
description = models.TextField(null=True)
|
1175 |
start_date = models.DateTimeField() |
1176 |
end_date = models.DateTimeField() |
1177 |
member_join_policy = models.ForeignKey(MemberJoinPolicy) |
1178 |
member_leave_policy = models.ForeignKey(MemberLeavePolicy) |
1179 |
limit_on_members_number = models.PositiveIntegerField(null=True,blank=True) |
1180 |
resource_grants = models.ManyToManyField( |
1181 |
Resource, |
1182 |
null=True,
|
1183 |
blank=True,
|
1184 |
through='ProjectResourceGrant'
|
1185 |
) |
1186 |
comments = models.TextField(null=True, blank=True) |
1187 |
issue_date = models.DateTimeField() |
1188 |
|
1189 |
def add_resource_policy(self, service, resource, uplimit, update=True): |
1190 |
"""Raises ObjectDoesNotExist, IntegrityError"""
|
1191 |
resource = Resource.objects.get(service__name=service, name=resource) |
1192 |
if update:
|
1193 |
ProjectResourceGrant.objects.update_or_create( |
1194 |
project_application=self,
|
1195 |
resource=resource, |
1196 |
defaults={'member_capacity': uplimit}
|
1197 |
) |
1198 |
else:
|
1199 |
q = self.projectresourcegrant_set
|
1200 |
q.create(resource=resource, member_capacity=uplimit) |
1201 |
|
1202 |
@property
|
1203 |
def resource_policies(self): |
1204 |
return self.projectresourcegrant_set.all() |
1205 |
|
1206 |
@resource_policies.setter
|
1207 |
def resource_policies(self, policies): |
1208 |
for p in policies: |
1209 |
service = p.get('service', None) |
1210 |
resource = p.get('resource', None) |
1211 |
uplimit = p.get('uplimit', 0) |
1212 |
update = p.get('update', True) |
1213 |
self.add_resource_policy(service, resource, uplimit, update)
|
1214 |
|
1215 |
@property
|
1216 |
def follower(self): |
1217 |
try:
|
1218 |
return ProjectApplication.objects.get(precursor_application=self) |
1219 |
except ProjectApplication.DoesNotExist:
|
1220 |
return
|
1221 |
|
1222 |
def submit(self, resource_policies, applicant, comments, |
1223 |
precursor_application=None):
|
1224 |
|
1225 |
if precursor_application:
|
1226 |
self.precursor_application = precursor_application
|
1227 |
self.owner = precursor_application.owner
|
1228 |
else:
|
1229 |
self.owner = applicant
|
1230 |
|
1231 |
self.id = None |
1232 |
self.applicant = applicant
|
1233 |
self.comments = comments
|
1234 |
self.issue_date = datetime.now()
|
1235 |
self.state = PENDING
|
1236 |
self.save()
|
1237 |
self.resource_policies = resource_policies
|
1238 |
|
1239 |
def _get_project(self): |
1240 |
precursor = self
|
1241 |
while precursor:
|
1242 |
try:
|
1243 |
project = precursor.project |
1244 |
return project
|
1245 |
except Project.DoesNotExist:
|
1246 |
pass
|
1247 |
precursor = precursor.precursor_application |
1248 |
|
1249 |
return None |
1250 |
|
1251 |
def approve(self, approval_user=None): |
1252 |
"""
|
1253 |
If approval_user then during owner membership acceptance
|
1254 |
it is checked whether the request_user is eligible.
|
1255 |
|
1256 |
Raises:
|
1257 |
PermissionDenied
|
1258 |
"""
|
1259 |
|
1260 |
if not transaction.is_managed(): |
1261 |
raise AssertionError("NOPE") |
1262 |
|
1263 |
new_project_name = self.name
|
1264 |
if self.state != PENDING: |
1265 |
m = _("cannot approve: project '%s' in state '%s'") % (
|
1266 |
new_project_name, self.state)
|
1267 |
raise PermissionDenied(m) # invalid argument |
1268 |
|
1269 |
now = datetime.now() |
1270 |
project = self._get_project()
|
1271 |
if project is None: |
1272 |
try:
|
1273 |
conflicting_project = Project.objects.get(name=new_project_name) |
1274 |
if conflicting_project.is_alive:
|
1275 |
m = _("cannot approve: project with name '%s' "
|
1276 |
"already exists (serial: %s)") % (
|
1277 |
new_project_name, conflicting_project.id) |
1278 |
raise PermissionDenied(m) # invalid argument |
1279 |
except Project.DoesNotExist:
|
1280 |
pass
|
1281 |
project = Project(creation_date=now) |
1282 |
|
1283 |
project.last_application_approved = self
|
1284 |
project.last_approval_date = now |
1285 |
project.save() |
1286 |
#ProjectMembership.add_to_project(self)
|
1287 |
project.add_member(self.owner)
|
1288 |
|
1289 |
precursor = self.precursor_application
|
1290 |
while precursor:
|
1291 |
precursor.state = REPLACED |
1292 |
precursor.save() |
1293 |
precursor = precursor.precursor_application |
1294 |
|
1295 |
self.state = APPROVED
|
1296 |
self.save()
|
1297 |
|
1298 |
transaction.commit() |
1299 |
project.check_sync() |
1300 |
|
1301 |
class ProjectResourceGrant(models.Model): |
1302 |
|
1303 |
resource = models.ForeignKey(Resource) |
1304 |
project_application = models.ForeignKey(ProjectApplication, blank=True)
|
1305 |
project_capacity = models.BigIntegerField(null=True)
|
1306 |
project_import_limit = models.BigIntegerField(null=True)
|
1307 |
project_export_limit = models.BigIntegerField(null=True)
|
1308 |
member_capacity = models.BigIntegerField(null=True)
|
1309 |
member_import_limit = models.BigIntegerField(null=True)
|
1310 |
member_export_limit = models.BigIntegerField(null=True)
|
1311 |
|
1312 |
objects = ExtendedManager() |
1313 |
|
1314 |
class Meta: |
1315 |
unique_together = ("resource", "project_application") |
1316 |
|
1317 |
class Project(SyncedModel): |
1318 |
application = models.OneToOneField( |
1319 |
ProjectApplication, |
1320 |
related_name='project',
|
1321 |
null=True)
|
1322 |
last_application_approved = models.OneToOneField( |
1323 |
ProjectApplication, |
1324 |
related_name='last_project')
|
1325 |
last_approval_date = models.DateTimeField(null=True)
|
1326 |
|
1327 |
members = models.ManyToManyField( |
1328 |
AstakosUser, |
1329 |
through='ProjectMembership')
|
1330 |
|
1331 |
termination_start_date = models.DateTimeField(null=True)
|
1332 |
termination_date = models.DateTimeField(null=True)
|
1333 |
|
1334 |
creation_date = models.DateTimeField() |
1335 |
name = models.CharField( |
1336 |
max_length=80,
|
1337 |
db_index=True,
|
1338 |
unique=True)
|
1339 |
state = models.CharField(max_length=80, default=UNKNOWN)
|
1340 |
|
1341 |
@property
|
1342 |
def current_application(self): |
1343 |
return self.application or self.last_application_approved |
1344 |
|
1345 |
@property
|
1346 |
def violated_resource_grants(self): |
1347 |
if self.application is None: |
1348 |
return True |
1349 |
# do something
|
1350 |
return False |
1351 |
|
1352 |
@property
|
1353 |
def violated_members_number_limit(self): |
1354 |
application = self.application
|
1355 |
if application is None: |
1356 |
return True |
1357 |
return len(self.approved_members) > application.limit_on_members_number |
1358 |
|
1359 |
@property
|
1360 |
def is_terminated(self): |
1361 |
return bool(self.termination) |
1362 |
|
1363 |
@property
|
1364 |
def is_still_approved(self): |
1365 |
return bool(self.last_approval_date) |
1366 |
|
1367 |
@property
|
1368 |
def is_active(self): |
1369 |
if (self.is_terminated or |
1370 |
not self.is_still_approved or |
1371 |
self.violated_resource_grants):
|
1372 |
return False |
1373 |
# if self.violated_members_number_limit:
|
1374 |
# return False
|
1375 |
return True |
1376 |
|
1377 |
@property
|
1378 |
def is_suspended(self): |
1379 |
if (self.is_terminated or |
1380 |
self.is_still_approved or |
1381 |
not self.violated_resource_grants): |
1382 |
return False |
1383 |
# if not self.violated_members_number_limit:
|
1384 |
# return False
|
1385 |
return True |
1386 |
|
1387 |
@property
|
1388 |
def is_alive(self): |
1389 |
return self.is_active or self.is_suspended |
1390 |
|
1391 |
@property
|
1392 |
def is_inconsistent(self): |
1393 |
now = datetime.now() |
1394 |
if self.creation_date > now: |
1395 |
return True |
1396 |
if self.last_approval_date > now: |
1397 |
return True |
1398 |
if self.terminaton_date > now: |
1399 |
return True |
1400 |
return False |
1401 |
|
1402 |
@property
|
1403 |
def approved_members(self): |
1404 |
return [m.person for m in self.projectmembership_set.filter(~Q(acceptance_date=None))] |
1405 |
|
1406 |
def sync(self, specific_members=()): |
1407 |
if self.is_synchronized: |
1408 |
return
|
1409 |
members = specific_members or self.approved_members |
1410 |
rejected = send_quota(self.approved_members)
|
1411 |
if not rejected: |
1412 |
self.application = self.last_application_approved |
1413 |
self.save()
|
1414 |
return rejected
|
1415 |
|
1416 |
def set_pending_membership_sync(self): |
1417 |
self.membership_dirty = True |
1418 |
self.save()
|
1419 |
|
1420 |
def set_state(self): |
1421 |
PROJECT_SYNCHRONIZED = 0
|
1422 |
PROJECT_SYNC_PENDING_MEMBERSHIP = (1 << 0) |
1423 |
PROJECT_SYNC_PENDING_DEFINITION = (1 << 1) |
1424 |
PROJECT_SYNC_PENDING = (PROJECT_SYNC_PENDING_DEFINITION | |
1425 |
PROJECT_SYNC_PENDING_MEMBERSHIP) |
1426 |
|
1427 |
oldstate = self.state
|
1428 |
state = PROJECT_SYNCHRONIZED |
1429 |
|
1430 |
if self.last_application_approved != self.application: |
1431 |
state |= PROJECT_SYNC_PENDING_DEFINITION |
1432 |
|
1433 |
if self.membership_dirty: |
1434 |
state |= PROJECT_SYNC_PENDING_MEMBERSHIP |
1435 |
|
1436 |
if oldstate != state:
|
1437 |
self.state = state
|
1438 |
self.save()
|
1439 |
return state
|
1440 |
|
1441 |
def check_sync(self, hint=None): |
1442 |
state = self.set_state()
|
1443 |
if state: # needs syncing |
1444 |
if self.sync_membership(): |
1445 |
self.set_sta
|
1446 |
|
1447 |
def sync_membership(self, members=None): |
1448 |
members = members if members is not None else self.approved_members |
1449 |
rejected = send_quota(members) |
1450 |
success = not rejected
|
1451 |
if success:
|
1452 |
self.members
|
1453 |
return success
|
1454 |
|
1455 |
def add_member(self, user): |
1456 |
"""
|
1457 |
Raises:
|
1458 |
django.exceptions.PermissionDenied
|
1459 |
astakos.im.models.AstakosUser.DoesNotExist
|
1460 |
"""
|
1461 |
if isinstance(user, int): |
1462 |
user = AstakosUser.objects.get(user=user) |
1463 |
|
1464 |
m, created = ProjectMembership.objects.get_or_create( |
1465 |
person=user, project=self
|
1466 |
) |
1467 |
m.accept() |
1468 |
|
1469 |
def remove_member(self, user): |
1470 |
"""
|
1471 |
Raises:
|
1472 |
django.exceptions.PermissionDenied
|
1473 |
astakos.im.models.AstakosUser.DoesNotExist
|
1474 |
astakos.im.models.ProjectMembership.DoesNotExist
|
1475 |
"""
|
1476 |
if isinstance(user, int): |
1477 |
user = AstakosUser.objects.get(user=user) |
1478 |
|
1479 |
m = ProjectMembership.objects.get(person=user, project=self)
|
1480 |
m.remove() |
1481 |
|
1482 |
def terminate(self): |
1483 |
self.termination_start_date = datetime.now()
|
1484 |
self.terminaton_date = None |
1485 |
self.save()
|
1486 |
|
1487 |
rejected = self.sync()
|
1488 |
if not rejected: |
1489 |
self.termination_start_date = None |
1490 |
self.termination_date = datetime.now()
|
1491 |
self.save()
|
1492 |
|
1493 |
# try:
|
1494 |
# notification = build_notification(
|
1495 |
# settings.SERVER_EMAIL,
|
1496 |
# [self.current_application.owner.email],
|
1497 |
# _(PROJECT_TERMINATION_SUBJECT) % self.__dict__,
|
1498 |
# template='im/projects/project_termination_notification.txt',
|
1499 |
# dictionary={'object':self.current_application}
|
1500 |
# ).send()
|
1501 |
# except NotificationError, e:
|
1502 |
# logger.error(e.messages)
|
1503 |
|
1504 |
def suspend(self): |
1505 |
self.last_approval_date = None |
1506 |
self.save()
|
1507 |
self.sync()
|
1508 |
|
1509 |
# try:
|
1510 |
# notification = build_notification(
|
1511 |
# settings.SERVER_EMAIL,
|
1512 |
# [self.current_application.owner.email],
|
1513 |
# _(PROJECT_SUSPENSION_SUBJECT) % self.definition.__dict__,
|
1514 |
# template='im/projects/project_suspension_notification.txt',
|
1515 |
# dictionary={'object':self.current_application}
|
1516 |
# ).send()
|
1517 |
# except NotificationError, e:
|
1518 |
# logger.error(e.messages)
|
1519 |
|
1520 |
|
1521 |
QuotaLimits = namedtuple('QuotaLimits', ('holder', |
1522 |
'capacity',
|
1523 |
'import_limit',
|
1524 |
'export_limit'))
|
1525 |
|
1526 |
|
1527 |
|
1528 |
class ExclusiveOrRaise(object): |
1529 |
"""Context Manager to exclusively execute a critical code section.
|
1530 |
The exclusion must be global.
|
1531 |
(IPC semaphores will not protect across OS,
|
1532 |
DB locks will if it's the same DB)
|
1533 |
"""
|
1534 |
|
1535 |
class Busy(Exception): |
1536 |
pass
|
1537 |
|
1538 |
def __init__(self, locked=False): |
1539 |
init = 0 if locked else 1 |
1540 |
from multiprocessing import Semaphore |
1541 |
self._sema = Semaphore(init)
|
1542 |
|
1543 |
def enter(self): |
1544 |
acquired = self._sema.acquire(False) |
1545 |
if not acquired: |
1546 |
raise self.Busy() |
1547 |
|
1548 |
def leave(self): |
1549 |
self._sema.release()
|
1550 |
|
1551 |
def __enter__(self): |
1552 |
self.enter()
|
1553 |
return self |
1554 |
|
1555 |
def __exit__(self, exc_type, exc_value, exc_traceback): |
1556 |
self.leave()
|
1557 |
|
1558 |
|
1559 |
exclusive_or_raise = ExclusiveOrRaise(locked=False)
|
1560 |
|
1561 |
|
1562 |
class ProjectMembership(SyncedModel): |
1563 |
person = models.ForeignKey(AstakosUser) |
1564 |
project = models.ForeignKey(Project) |
1565 |
request_date = models.DateField(default=datetime.now()) |
1566 |
|
1567 |
acceptance_date = models.DateField(null=True, db_index=True) |
1568 |
leave_request_date = models.DateField(null=True)
|
1569 |
|
1570 |
REQUESTED = 0
|
1571 |
ACCEPTED = 1
|
1572 |
REMOVED = 2
|
1573 |
REJECTED = 3 # never seen, because .delete() |
1574 |
REPLACED = 4 # when the project definition is replaced |
1575 |
# spontaneously goes back to ACCEPTED when synced
|
1576 |
|
1577 |
class Meta: |
1578 |
unique_together = ("person", "project") |
1579 |
|
1580 |
def __str__(self): |
1581 |
return _("<'%s' membership in project '%s'>") % ( |
1582 |
self.person.username, self.project.application) |
1583 |
|
1584 |
__repr__ = __str__ |
1585 |
|
1586 |
def __init__(self, *args, **kwargs): |
1587 |
self.sync_init_state(self.REQUEST) |
1588 |
super(ProjectMembership, self).__init__(*args, **kwargs) |
1589 |
|
1590 |
def _set_history_item(self, reason, date=None): |
1591 |
if isinstance(reason, basestring): |
1592 |
reason = ProjectMembershipHistory.reasons.get(reason, -1)
|
1593 |
|
1594 |
history_item = ProjectMembershipHistory( |
1595 |
serial=self.id,
|
1596 |
person=self.person,
|
1597 |
project=self.project,
|
1598 |
date=date, |
1599 |
reason=reason) |
1600 |
history_item.save() |
1601 |
serial = history_item.id |
1602 |
|
1603 |
def accept(self): |
1604 |
state, verified = self.sync_verify_get_synced_state()
|
1605 |
if not verified: |
1606 |
new_state = self.sync_get_new_state()
|
1607 |
m = _("%s: cannot accept: not synched (%s -> %s)") % (
|
1608 |
self, state, new_state)
|
1609 |
raise self.NotSynced(m) |
1610 |
|
1611 |
if state != self.REQUESTED: |
1612 |
m = _("%s: attempt to accept in state '%s'") % (self, state) |
1613 |
raise AssertionError(m) |
1614 |
|
1615 |
now = datetime.now() |
1616 |
self.acceptance_date = now
|
1617 |
self._set_history_item(reason='ACCEPT', date=now) |
1618 |
self.sync_set_new_state(self.ACCEPTED) |
1619 |
self.save()
|
1620 |
|
1621 |
def remove(self): |
1622 |
state, verified = self.sync_verify_get_synced_state()
|
1623 |
if not verified: |
1624 |
new_state = self.sync_get_new_state()
|
1625 |
m = _("%s: cannot remove: not synched (%s -> %s)") % (
|
1626 |
self, state, new_state)
|
1627 |
raise self.NotSynced(m) |
1628 |
|
1629 |
if state != self.ACCEPTED: |
1630 |
m = _("%s: attempt to remove in state '%s'") % (self, state) |
1631 |
raise AssertionError(m) |
1632 |
|
1633 |
serial = self._set_history_item(reason='REMOVE') |
1634 |
self.sync_set_new_state(self.REMOVED) |
1635 |
self.save()
|
1636 |
|
1637 |
def reject(self): |
1638 |
state, verified = self.sync_verify_get_synced_state()
|
1639 |
if not verified: |
1640 |
new_state = self.sync_get_new_state()
|
1641 |
m = _("%s: cannot reject: not synched (%s -> %s)" % (
|
1642 |
self, state, new_state))
|
1643 |
raise self.NotSynced(m) |
1644 |
|
1645 |
if state != self.REQUESTED: |
1646 |
m = _("%s: attempt to remove in state '%s'") % (self, state) |
1647 |
raise AssertionError(m) |
1648 |
|
1649 |
# rejected requests don't need sync,
|
1650 |
# because they were never effected
|
1651 |
self._set_history_item(reason='REJECT') |
1652 |
self.delete()
|
1653 |
|
1654 |
def get_quotas(self, limits_list=None, factor=1): |
1655 |
if limits_list is None: |
1656 |
limits_list = [] |
1657 |
append = limits_list.append |
1658 |
holder = self.person.username
|
1659 |
all_grants = self.project.application.resource_grants.all()
|
1660 |
for grant in all_grants: |
1661 |
append(QuotaLimits(holder = holder, |
1662 |
resource = grant.resource.name, |
1663 |
capacity = factor * grant.member_capacity, |
1664 |
import_limit = factor * grant.member_import_limit, |
1665 |
export_limit = factor * grant.member_export_limit)) |
1666 |
return limits_list
|
1667 |
|
1668 |
def get_diff_quotas(self, limits_list=None, factor=1): |
1669 |
if limits_list is None: |
1670 |
limits_list = [] |
1671 |
|
1672 |
append = limits_list.append |
1673 |
holder = self.person.username
|
1674 |
|
1675 |
# first, inverse all current limits, and index them by resource name
|
1676 |
cur_grants = self.project.application.resource_grants.all()
|
1677 |
f = factor * -1
|
1678 |
tmp_grants = {} |
1679 |
for grant in cur_grants: |
1680 |
name = grant.resource.name |
1681 |
tmp_grants[name] = QuotaLimits( |
1682 |
holder = holder, |
1683 |
resource = name, |
1684 |
capacity = f * grant.member_capacity, |
1685 |
import_limit = f * grant.member_import_limit, |
1686 |
export_limit = f * grant.member_export_limit) |
1687 |
|
1688 |
# second, add each new limit to its inversed current
|
1689 |
new_grants = self.project.new_application.resource_grants.all()
|
1690 |
for new_grant in new_grants: |
1691 |
name = grant.resource.name |
1692 |
cur_grant = tmp_grants.pop(name, None)
|
1693 |
if cur_grant is None: |
1694 |
# if limits on a new resource, set 0 current values
|
1695 |
capacity = 0
|
1696 |
import_limit = 0
|
1697 |
export_limit = 0
|
1698 |
else:
|
1699 |
capacity = cur_grant.capacity |
1700 |
import_limit = cur_grant.import_limit |
1701 |
export_limit = cur_grant.export_limit |
1702 |
|
1703 |
capacity += new_grant.member_capacity |
1704 |
import_limit += new_grant.member_import_limit |
1705 |
export_limit += new_grant.member_export_limit |
1706 |
|
1707 |
append(QuotaLimits(holder = holder, |
1708 |
resource = name, |
1709 |
capacity = capacity, |
1710 |
import_limit = import_limit, |
1711 |
export_limit = export_limit)) |
1712 |
|
1713 |
# third, append all the inversed current limits for removed resources
|
1714 |
limits_list.extend(tmp_grants.itervalues()) |
1715 |
return limits_list
|
1716 |
|
1717 |
def do_sync(self): |
1718 |
state = self.sync_get_synced_state()
|
1719 |
new_state = self.sync_get_new_state()
|
1720 |
|
1721 |
if state == self.REQUESTED and new_state == self.ACCEPTED: |
1722 |
quotas = self.get_quotas(factor=1) |
1723 |
elif state == self.ACCEPTED and new_state == self.REMOVED: |
1724 |
quotas = self.get_quotas(factor=-1) |
1725 |
elif state == self.ACCEPTED and new_state == self.REPLACED: |
1726 |
quotas = self.get_diff_quotas(factor=1) |
1727 |
else:
|
1728 |
m = _("%s: sync: called on invalid state ('%s' -> '%s')") % (
|
1729 |
self, state, new_state)
|
1730 |
raise AssertionError(m) |
1731 |
|
1732 |
quotas = self.get_quotas(factor=factor)
|
1733 |
try:
|
1734 |
failure = add_quotas(quotas) |
1735 |
if failure:
|
1736 |
m = "%s: sync: add_quotas failed" % (self,) |
1737 |
raise RuntimeError(m) |
1738 |
except Exception: |
1739 |
raise
|
1740 |
else:
|
1741 |
self.sync_set_synced()
|
1742 |
|
1743 |
# some states have instant side-effects/transitions
|
1744 |
if new_state == self.REMOVED: |
1745 |
self.delete()
|
1746 |
elif new_state == self.REPLACED: |
1747 |
self.sync_init_state(self.ACCEPTED) |
1748 |
|
1749 |
def sync(self): |
1750 |
with exclusive_or_raise:
|
1751 |
self.do_sync()
|
1752 |
|
1753 |
|
1754 |
class ProjectMembershipHistory(models.Model): |
1755 |
reasons_list = ['ACCEPT', 'REJECT', 'REMOVE'] |
1756 |
reasons = dict((k, v) for v, k in enumerate(reasons_list)) |
1757 |
person = models.ForeignKey(AstakosUser) |
1758 |
project = models.ForeignKey(Project) |
1759 |
date = models.DateField(default=datetime.now) |
1760 |
reason = models.IntegerField() |
1761 |
serial = models.BigIntegerField() |
1762 |
|
1763 |
|
1764 |
def filter_queryset_by_property(q, property): |
1765 |
"""
|
1766 |
Incorporate list comprehension for filtering querysets by property
|
1767 |
since Queryset.filter() operates on the database level.
|
1768 |
"""
|
1769 |
return (p for p in q if getattr(p, property, False)) |
1770 |
|
1771 |
def get_alive_projects(): |
1772 |
return filter_queryset_by_property(
|
1773 |
Project.objects.all(), |
1774 |
'is_alive'
|
1775 |
) |
1776 |
|
1777 |
def get_active_projects(): |
1778 |
return filter_queryset_by_property(
|
1779 |
Project.objects.all(), |
1780 |
'is_active'
|
1781 |
) |
1782 |
|
1783 |
def _create_object(model, **kwargs): |
1784 |
o = model.objects.create(**kwargs) |
1785 |
o.save() |
1786 |
return o
|
1787 |
|
1788 |
|
1789 |
def create_astakos_user(u): |
1790 |
try:
|
1791 |
AstakosUser.objects.get(user_ptr=u.pk) |
1792 |
except AstakosUser.DoesNotExist:
|
1793 |
extended_user = AstakosUser(user_ptr_id=u.pk) |
1794 |
extended_user.__dict__.update(u.__dict__) |
1795 |
extended_user.save() |
1796 |
if not extended_user.has_auth_provider('local'): |
1797 |
extended_user.add_auth_provider('local')
|
1798 |
except BaseException, e: |
1799 |
logger.exception(e) |
1800 |
|
1801 |
|
1802 |
def fix_superusers(sender, **kwargs): |
1803 |
# Associate superusers with AstakosUser
|
1804 |
admins = User.objects.filter(is_superuser=True)
|
1805 |
for u in admins: |
1806 |
create_astakos_user(u) |
1807 |
post_syncdb.connect(fix_superusers) |
1808 |
|
1809 |
|
1810 |
def user_post_save(sender, instance, created, **kwargs): |
1811 |
if not created: |
1812 |
return
|
1813 |
create_astakos_user(instance) |
1814 |
post_save.connect(user_post_save, sender=User) |
1815 |
|
1816 |
|
1817 |
# def astakosuser_pre_save(sender, instance, **kwargs):
|
1818 |
# instance.aquarium_report = False
|
1819 |
# instance.new = False
|
1820 |
# try:
|
1821 |
# db_instance = AstakosUser.objects.get(id=instance.id)
|
1822 |
# except AstakosUser.DoesNotExist:
|
1823 |
# # create event
|
1824 |
# instance.aquarium_report = True
|
1825 |
# instance.new = True
|
1826 |
# else:
|
1827 |
# get = AstakosUser.__getattribute__
|
1828 |
# l = filter(lambda f: get(db_instance, f) != get(instance, f),
|
1829 |
# BILLING_FIELDS)
|
1830 |
# instance.aquarium_report = True if l else False
|
1831 |
# pre_save.connect(astakosuser_pre_save, sender=AstakosUser)
|
1832 |
|
1833 |
# def set_default_group(user):
|
1834 |
# try:
|
1835 |
# default = AstakosGroup.objects.get(name='default')
|
1836 |
# Membership(
|
1837 |
# group=default, person=user, date_joined=datetime.now()).save()
|
1838 |
# except AstakosGroup.DoesNotExist, e:
|
1839 |
# logger.exception(e)
|
1840 |
|
1841 |
|
1842 |
def astakosuser_post_save(sender, instance, created, **kwargs): |
1843 |
# if instance.aquarium_report:
|
1844 |
# report_user_event(instance, create=instance.new)
|
1845 |
if not created: |
1846 |
return
|
1847 |
# set_default_group(instance)
|
1848 |
# TODO handle socket.error & IOError
|
1849 |
register_users((instance,)) |
1850 |
post_save.connect(astakosuser_post_save, sender=AstakosUser) |
1851 |
|
1852 |
|
1853 |
def resource_post_save(sender, instance, created, **kwargs): |
1854 |
if not created: |
1855 |
return
|
1856 |
register_resources((instance,)) |
1857 |
post_save.connect(resource_post_save, sender=Resource) |
1858 |
|
1859 |
|
1860 |
# def on_quota_disturbed(sender, users, **kwargs):
|
1861 |
# # print '>>>', locals()
|
1862 |
# if not users:
|
1863 |
# return
|
1864 |
# send_quota(users)
|
1865 |
#
|
1866 |
# quota_disturbed = Signal(providing_args=["users"])
|
1867 |
# quota_disturbed.connect(on_quota_disturbed)
|
1868 |
|
1869 |
|
1870 |
# def send_quota_disturbed(sender, instance, **kwargs):
|
1871 |
# users = []
|
1872 |
# extend = users.extend
|
1873 |
# if sender == Membership:
|
1874 |
# if not instance.group.is_enabled:
|
1875 |
# return
|
1876 |
# extend([instance.person])
|
1877 |
# elif sender == AstakosUserQuota:
|
1878 |
# extend([instance.user])
|
1879 |
# elif sender == AstakosGroupQuota:
|
1880 |
# if not instance.group.is_enabled:
|
1881 |
# return
|
1882 |
# extend(instance.group.astakosuser_set.all())
|
1883 |
# elif sender == AstakosGroup:
|
1884 |
# if not instance.is_enabled:
|
1885 |
# return
|
1886 |
# quota_disturbed.send(sender=sender, users=users)
|
1887 |
# post_delete.connect(send_quota_disturbed, sender=AstakosGroup)
|
1888 |
# post_delete.connect(send_quota_disturbed, sender=Membership)
|
1889 |
# post_save.connect(send_quota_disturbed, sender=AstakosUserQuota)
|
1890 |
# post_delete.connect(send_quota_disturbed, sender=AstakosUserQuota)
|
1891 |
# post_save.connect(send_quota_disturbed, sender=AstakosGroupQuota)
|
1892 |
# post_delete.connect(send_quota_disturbed, sender=AstakosGroupQuota)
|
1893 |
|
1894 |
|
1895 |
def renew_token(sender, instance, **kwargs): |
1896 |
if not instance.auth_token: |
1897 |
instance.renew_token() |
1898 |
pre_save.connect(renew_token, sender=AstakosUser) |
1899 |
pre_save.connect(renew_token, sender=Service) |