def render(self, context):
for_whom = self.for_whom.resolve(context)
if isinstance(for_whom, get_user_model()):
self.user = for_whom
self.group = None
elif isinstance(for_whom, AnonymousUser):
self.user = get_user_model().get_anonymous()
self.group = None
elif isinstance(for_whom, Group):
self.user = None
self.group = for_whom
elif isinstance(for_whom, Organization):
self.user = None
self.group = for_whom
else:
raise NotUserNorGroup("User or Group instance required (got %s)"
% for_whom.__class__)
obj = self.obj.resolve(context)
if not obj:
return ''
check = ObjectPermissionChecker(for_whom)
perms = check.get_perms(obj, include_group_perms=self.include_group_permissions)
context[self.context_var] = perms
return ''
def render(self, context):
for_whom = self.for_whom.resolve(context)
if isinstance(for_whom, get_user_model()):
self.user = for_whom
self.group = None
elif isinstance(for_whom, AnonymousUser):
self.user = get_user_model().get_anonymous()
self.group = None
elif isinstance(for_whom, Group):
self.user = None
self.group = for_whom
elif isinstance(for_whom, Organization):
self.user = None
self.group = for_whom
else:
raise NotUserNorGroup("User or Group instance required (got %s)" %
for_whom.__class__)
obj = self.obj.resolve(context)
if not obj:
return ''
check = ObjectPermissionChecker(for_whom)
perms = check.get_perms(
obj, include_group_perms=self.include_group_permissions)
context[self.context_var] = perms
return ''
def get_queryset(self, request):
# Prefer the Django >= 1.6 interface but maintain
# backward compatibility
method = getattr(
super(GuardedModelAdminMixin, self), 'get_queryset',
getattr(super(GuardedModelAdminMixin, self), 'queryset', None))
qs = method(request)
if request.user.is_superuser:
return qs
if self.user_can_access_owned_objects_only:
filters = {self.user_owned_objects_field: request.user}
qs = qs.filter(**filters)
if self.user_can_access_owned_by_group_objects_only:
User = get_user_model()
user_rel_name = User.groups.field.related_query_name()
qs_key = '%s__%s' % (self.group_owned_objects_field, user_rel_name)
filters = {qs_key: request.user}
qs = qs.filter(**filters)
if self.user_can_access_owned_by_organization_objects_only:
User = get_user_model()
m = OrgManager()
qs = m.get_for_user(request.user)
return qs
def clean_user(self):
"""
Returns ``User`` instance based on the given username.
"""
username = self.cleaned_data['user']
try:
user = get_user_model().objects.get(username=username)
return user
except get_user_model().DoesNotExist:
raise forms.ValidationError(
self.fields['user'].error_messages['does_not_exist'])
def clean_user(self):
"""
Returns ``User`` instance based on the given username.
"""
username = self.cleaned_data['user']
try:
user = get_user_model().objects.get(username=username)
return user
except get_user_model().DoesNotExist:
raise forms.ValidationError(
self.fields['user'].error_messages['does_not_exist'])
def clean_user(self):
"""
Returns ``User`` instance based on the given username.
"""
username = self.cleaned_data['user']
try:
lookup = {getattr(get_user_model(), 'USERNAME_FIELD', 'username'): username}
user = get_user_model().objects.get(**lookup)
return user
except get_user_model().DoesNotExist:
raise forms.ValidationError(
self.fields['user'].error_messages['does_not_exist'])
def setUp(self):
self.ctype = ContentType.objects.create(name='foo', model='bar',
app_label='fake-for-guardian-tests')
self.factory = RequestFactory()
self.user = get_user_model().objects.create_user(
'joe', '*****@*****.**', 'doe')
self.client.login(username='******', password='******')
def get_users_for_object(object, permission, group=None, with_anonymous = False, with_group_users=False):
"""
Returns list of users(worn:not QuerySet) with specific permission for this object
:param obejct: model object to check permission
:param permission: permission string
:param group: group name for filter
:param with_anonimous: add anonimous user to return value if it has permission on object, if group is set
"""
anonymous_user = get_user_model().get_anonymous()
anyperm = get_users_with_perms(object, attach_perms=True, with_group_users=with_group_users)
if not isinstance(permission, list):
permission = [permission]
result = []
for user, perms in anyperm.items():
if set(permission).intersection(set(perms)):
if group:
if not isinstance(group, list):
group = [group]
userGroups = user.groups.values_list('name', flat=True)
if set(group).intersection(set(userGroups)):
result.append(user)
if with_anonymous and user.is_anonymous:
result.append(user)
else:
result.append(user)
if user.pk == anonymous_user.pk and with_anonymous:
if user not in result:
result.append(user)
return result
def setUp(self):
self.ctype = ContentType.objects.create(
name='foo', model='bar', app_label='fake-for-guardian-tests')
self.factory = RequestFactory()
self.user = get_user_model().objects.create_user(
'joe', '*****@*****.**', 'doe')
self.client.login(username='******', password='******')
def get_organization_filters(self, obj, permission_expiry=False):
User = get_user_model()
ctype = get_content_type(obj)
# Django organizations
organization_model = get_organization_obj_perms_model(obj)
organization_rel_name = organization_model.permission.field.related_query_name()
if self.user:
fieldname = '%s__organization__%s' % (
organization_rel_name,
"users",
)
organization_filters = {fieldname: self.user}
else:
organization_filters = {'%s__organization' % organization_rel_name: self.organization}
if organization_model.objects.is_generic():
organization_filters.update({
'%s__content_type' % organization_rel_name: ctype,
'%s__object_pk' % organization_rel_name: obj.pk,
})
else:
organization_filters['%s__content_object' % organization_rel_name] = obj
org_q = tuple()
if permission_expiry:
kwargs1 = {"%s__permission_expiry" % organization_rel_name: None}
kwargs2 = {"%s__permission_expiry__gte" % organization_rel_name: datetime.utcnow().replace(tzinfo=utc)}
org_q = (Q(**kwargs1) | Q(**kwargs2),)
return organization_filters, org_q
def get_anonymous_user():
"""
Returns ``User`` instance (not ``AnonymousUser``) depending on
``ANONYMOUS_USER_NAME`` configuration.
"""
return get_user_model().objects.get(
username=guardian_settings.ANONYMOUS_USER_NAME)
def get_viewers_for_object(object, user, permissions, with_anonymous=True):
"""
Return viewers user by permission on object and by current g3w-suite user
:param object: object to check permission
:param user: current g3w-suite user in session
:param permissions: permission to check, permission must is without app name, i.e. core.view_group become view_group
:param with_anonymous: if add anonymous user to viewers list
:return: viewers object list
"""
editor1_viewers = None
if userHasGroups(user, [G3W_EDITOR1]):
editor1_viewers = get_objects_for_user(user, 'auth.change_user', User) \
.filter(groups__name__in=[G3W_VIEWER1, G3W_VIEWER2])
if with_anonymous:
editor1_viewers |= User.objects.filter(
pk=get_user_model().get_anonymous().pk)
viewers = get_users_for_object(object,
permissions, [G3W_VIEWER1, G3W_VIEWER2],
with_anonymous=with_anonymous)
if editor1_viewers:
viewers = list(set(editor1_viewers).intersection(set(viewers)))
if user in viewers:
viewers.remove(user)
return viewers
def assign_perm(self, perm, group, obj):
"""
Assigns permission with given ``perm`` for an instance ``obj`` and
``group``.
"""
if getattr(obj, 'pk', None) is None:
raise ObjectNotPersisted("Object %s needs to be persisted first"
% obj)
ctype = ContentType.objects.get_for_model(obj)
permission = Permission.objects.get(content_type=ctype, codename=perm)
kwargs = {'permission': permission, 'group': group}
if self.is_generic():
kwargs['content_type'] = ctype
kwargs['object_pk'] = obj.pk
else:
kwargs['content_object'] = obj
obj_perm, created = self.get_or_create(**kwargs)
# Add to cache
check = ObjectPermissionChecker(group)
key = check.get_local_cache_key(obj)
cache_perms = cache.get(key)
if cache_perms is not None and perm not in cache_perms:
cache_perms.append(perm)
cache.set(key, cache_perms)
User = get_user_model()
users = User.objects.filter(groups = group)
for user in users:
check = ObjectPermissionChecker(user)
key = check.get_local_cache_key(obj)
cache.delete(key)
return obj_perm
def obj_perms_manage_user_view(self, request, object_pk, user_id):
"""
Manages selected users' permissions for current object.
"""
user = get_object_or_404(get_user_model(), pk=user_id)
obj = get_object_or_404(self.queryset(request), pk=object_pk)
form_class = self.get_obj_perms_manage_user_form()
form = form_class(user, obj, request.POST or None)
if request.method == 'POST' and form.is_valid():
form.save_obj_perms()
msg = ugettext("Permissions saved.")
messages.success(request, msg)
info = (
self.admin_site.name,
self.model._meta.app_label,
get_model_name(self.model)
)
url = reverse(
'%s:%s_%s_permissions_manage_user' % info,
args=[obj.pk, user.pk]
)
return redirect(url)
context = self.get_obj_perms_base_context(request, obj)
context['user_obj'] = user
context['user_perms'] = get_perms(user, obj)
context['form'] = form
return render_to_response(self.get_obj_perms_manage_user_template(),
context, RequestContext(request, current_app=self.admin_site.name))
def setUp(self):
self.article = Article.objects.create(title='foo-title',
slug='foo-slug',
content='bar-content')
self.factory = RequestFactory()
self.user = get_user_model().objects.create_user(
'joe', '*****@*****.**', 'doe')
self.client.login(username='******', password='******')
def setUp(self):
self.article = Article.objects.create(title='foo-title',
slug='foo-slug',
content='bar-content')
self.factory = RequestFactory()
self.user = get_user_model().objects.create_user(
'joe', '*****@*****.**', 'doe')
self.client.login(username='******', password='******')
def get_anonymous_user():
"""
Returns ``User`` instance (not ``AnonymousUser``) depending on
``ANONYMOUS_USER_NAME`` configuration.
"""
User = get_user_model()
lookup = {User.USERNAME_FIELD: guardian_settings.ANONYMOUS_USER_NAME}
return User.objects.get(**lookup)
def get_anonymous_user():
"""
Returns ``User`` instance (not ``AnonymousUser``) depending on
``ANONYMOUS_USER_NAME`` configuration.
"""
User = get_user_model()
lookup = {User.USERNAME_FIELD: guardian_settings.ANONYMOUS_USER_NAME}
return User.objects.get(**lookup)
def clean_user(self):
"""
Returns ``User`` instance based on the given identification.
"""
s = self.cleaned_data['user']
user_model = get_user_model()
try:
username_field = user_model.USERNAME_FIELD
except AttributeError:
username_field = 'username'
try:
users = get_user_model().objects.filter(
Q(username__icontains=s) | Q(first_name__icontains=s) | Q(last_name__icontains=s))[:20]
return users
except user_model.DoesNotExist:
raise forms.ValidationError(
self.fields['user'].error_messages['does_not_exist'])
def add_view_surveyassginemnt_perms(apps, schema_editor):
SurveyAssignment = apps.get_model('survey', 'SurveyAssignment')
survey_assignments = SurveyAssignment.objects.all()
User = get_user_model()
for assigned_survey in survey_assignments:
assignee = assigned_survey.assigned_to
user = User.objects.get(pk=assignee.id)
if not user.has_perm('view_surveyassignment', assigned_survey):
assign_perm('view_surveyassignment', user, assigned_survey)
def get_user_group_perms(user_or_group, obj):
"""Get permissins for user groups.
Based on guardian.core.ObjectPermissionChecker.
"""
user, group = get_identity(user_or_group)
if user and not user.is_active:
return [], []
user_model = get_user_model()
ctype = ContentType.objects.get_for_model(obj)
group_model = get_group_obj_perms_model(obj)
group_rel_name = group_model.permission.field.related_query_name()
if user:
user_rel_name = user_model.groups.field.related_query_name()
group_filters = {user_rel_name: user}
else:
group_filters = {'pk': group.pk}
if group_model.objects.is_generic():
group_filters.update({
'{}__content_type'.format(group_rel_name): ctype,
'{}__object_pk'.format(group_rel_name): obj.pk,
})
else:
group_filters['{}__content_object'.format(group_rel_name)] = obj
user_perms, group_perms = [], []
if user:
perms_qs = Permission.objects.filter(content_type=ctype)
if user.is_superuser:
user_perms = list(chain(perms_qs.values_list("codename", flat=True)))
else:
model = get_user_obj_perms_model(obj)
related_name = model.permission.field.related_query_name()
user_filters = {'{}__user'.format(related_name): user}
if model.objects.is_generic():
user_filters.update({
'{}__content_type'.format(related_name): ctype,
'{}__object_pk'.format(related_name): obj.pk,
})
else:
user_filters['{}__content_object'.format(related_name)] = obj
user_perms_qs = perms_qs.filter(**user_filters)
user_perms = list(chain(user_perms_qs.values_list("codename", flat=True)))
group_perms_qs = Group.objects.filter(**group_filters)
group_perms = list(chain(group_perms_qs.order_by("pk").values_list(
"pk", "name", "{}__permission__codename".format(group_rel_name))))
group_perms = _group_groups(group_perms)
return user_perms, group_perms
def get_user_group_perms(user_or_group, obj):
user, group = get_identity(user_or_group)
if user and not user.is_active:
return [], []
User = get_user_model()
ctype = ContentType.objects.get_for_model(obj)
group_model = get_group_obj_perms_model(obj)
group_rel_name = group_model.permission.field.related_query_name()
if user:
fieldname = '%s__group__%s' % (
group_rel_name,
User.groups.field.related_query_name(),
)
group_filters = {fieldname: user}
else:
group_filters = {'%s__group' % group_rel_name: group}
if group_model.objects.is_generic():
group_filters.update({
'%s__content_type' % group_rel_name: ctype,
'%s__object_pk' % group_rel_name: obj.pk,
})
else:
group_filters['%s__content_object' % group_rel_name] = obj
user_perms = []
group_perms = []
if user and user.is_superuser:
user_perms = list(chain(*Permission.objects
.filter(content_type=ctype)
.values_list("codename")))
elif user:
model = get_user_obj_perms_model(obj)
related_name = model.permission.field.related_query_name()
user_filters = {'%s__user' % related_name: user}
if model.objects.is_generic():
user_filters.update({
'%s__content_type' % related_name: ctype,
'%s__object_pk' % related_name: obj.pk,
})
else:
user_filters['%s__content_object' % related_name] = obj
perms_qs = Permission.objects.filter(content_type=ctype)
user_perms_qs = perms_qs.filter(**user_filters)
user_perms = user_perms_qs.values_list("codename", flat=True)
group_perms_qs = perms_qs.filter(**group_filters)
group_perms = group_perms_qs.values_list("codename", flat=True)
else:
user_perms = list(set(chain(*Permission.objects
.filter(content_type=ctype)
.filter(**group_filters)
.values_list("codename"))))
return user_perms, group_perms
def get_user_group_perms(user_or_group, obj):
"""Get permissins for user groups.
Based on guardian.core.ObjectPermissionChecker.
"""
user, group = get_identity(user_or_group)
if user and not user.is_active:
return [], []
user_model = get_user_model()
ctype = ContentType.objects.get_for_model(obj)
group_model = get_group_obj_perms_model(obj)
group_rel_name = group_model.permission.field.related_query_name() # pylint: disable=no-member
if user:
user_rel_name = user_model.groups.field.related_query_name() # pylint: disable=no-member
group_filters = {user_rel_name: user}
else:
group_filters = {'pk': group.pk}
if group_model.objects.is_generic():
group_filters.update({
'{}__content_type'.format(group_rel_name): ctype,
'{}__object_pk'.format(group_rel_name): obj.pk,
})
else:
group_filters['{}__content_object'.format(group_rel_name)] = obj
user_perms, group_perms = [], []
if user:
perms_qs = Permission.objects.filter(content_type=ctype)
if user.is_superuser:
user_perms = list(chain(perms_qs.values_list("codename", flat=True)))
else:
model = get_user_obj_perms_model(obj)
related_name = model.permission.field.related_query_name() # pylint: disable=no-member
user_filters = {'{}__user'.format(related_name): user}
if model.objects.is_generic():
user_filters.update({
'{}__content_type'.format(related_name): ctype,
'{}__object_pk'.format(related_name): obj.pk,
})
else:
user_filters['{}__content_object'.format(related_name)] = obj
user_perms_qs = perms_qs.filter(**user_filters)
user_perms = list(chain(user_perms_qs.values_list("codename", flat=True)))
group_perms_qs = Group.objects.filter(**group_filters)
group_perms = list(chain(group_perms_qs.order_by("pk").values_list(
"pk", "name", "{}__permission__codename".format(group_rel_name))))
group_perms = _group_groups(group_perms)
return user_perms, group_perms
def get_users_with_perms(obj, attach_perms=False, with_superusers=False,
with_group_users=True, permission_expiry=False):
"""
Returns queryset of all ``User`` objects with *any* object permissions for
the given ``obj``.
:param obj: persisted Django's ``Model`` instance
:param attach_perms: Default: ``False``. If set to ``True`` result would be
dictionary of ``User`` instances with permissions' codenames list as
values. This would fetch users eagerly!
:param with_superusers: Default: ``False``. If set to ``True`` result would
contain all superusers.
:param with_group_users: Default: ``True``. If set to ``False`` result would
**not** contain those users who have only group permissions for given
``obj``.
Example::
>>> from django.contrib.flatpages.models import FlatPage
>>> from django.contrib.auth.models import User
>>> from guardian.shortcuts import assign_perm, get_users_with_perms
>>>
>>> page = FlatPage.objects.create(title='Some page', path='/some/page/')
>>> joe = User.objects.create_user('joe', '*****@*****.**', 'joesecret')
>>> assign_perm('change_flatpage', joe, page)
>>>
>>> get_users_with_perms(page)
[<User: joe>]
>>>
>>> get_users_with_perms(page, attach_perms=True)
{<User: joe>: [u'change_flatpage']}
"""
if not attach_perms:
qset = get_unattached_users_with_perms_qset(obj, None,
with_group_users=with_group_users,
with_superusers=with_superusers,
permission_expiry=permission_expiry
)
return get_user_model().objects.filter(qset).distinct()
else:
# TODO: Do not hit db for each user!
users = {}
for user in get_users_with_perms(obj,
with_group_users=with_group_users,
with_superusers=with_superusers,
permission_expiry=permission_expiry):
# TODO: Support the case of set with_group_users but not with_superusers.
if with_group_users or with_superusers:
users[user] = sorted(get_perms(user, obj))
else:
users[user] = sorted(get_user_perms(user, obj))
return users
def test_uses_custom_username_field_model(self, guardian_settings):
mocked_get_init_anon.reset_mock()
guardian_settings.GET_INIT_ANONYMOUS_USER = '******'
guardian_settings.ANONYMOUS_USER_NAME = '*****@*****.**'
User = get_user_model()
anon = mocked_get_init_anon.return_value = mock.Mock()
create_anonymous_user('sender')
mocked_get_init_anon.assert_called_once_with(User)
anon.save.assert_called_once_with()
def create_anonymous_user(sender, **kwargs):
"""
Creates anonymous User instance with id from settings.
"""
User = get_user_model()
try:
User.objects.get(pk=guardian_settings.ANONYMOUS_USER_ID)
except User.DoesNotExist:
User.objects.create(pk=guardian_settings.ANONYMOUS_USER_ID,
username='******')
def test_uses_custom_username_field_model(self, guardian_settings):
mocked_get_init_anon.reset_mock()
guardian_settings.GET_INIT_ANONYMOUS_USER = '******'
guardian_settings.ANONYMOUS_USER_NAME = '*****@*****.**'
User = get_user_model()
anon = mocked_get_init_anon.return_value = mock.Mock()
create_anonymous_user('sender')
mocked_get_init_anon.assert_called_once_with(User)
anon.save.assert_called_once_with()
def get_users_with_permission(obj, permission):
"""Return users with specific permission on object.
:param obj: Object to return users for
:param permission: Permission codename
"""
user_model = get_user_model()
return user_model.objects.filter(
userobjectpermission__object_pk=obj.pk,
userobjectpermission__permission__codename=permission,
).distinct()
def obj_perms_manage_view(self, request, object_pk):
"""
Main object permissions view. Presents all users and groups with any
object permissions for the current model *instance*. Users or groups
without object permissions for related *instance* would **not** be
shown. In order to add or manage user or group one should use links or
forms presented within the page.
"""
obj = get_object_or_404(self.queryset(request), pk=object_pk)
users_perms = SortedDict(
get_users_with_perms(obj,
attach_perms=True,
with_group_users=False))
users_perms.keyOrder.sort(
key=lambda user: getattr(user,
get_user_model().USERNAME_FIELD))
groups_perms = SortedDict(get_groups_with_perms(obj,
attach_perms=True))
groups_perms.keyOrder.sort(key=lambda group: group.name)
if request.method == 'POST' and 'submit_manage_user' in request.POST:
user_form = UserManage(request.POST)
group_form = GroupManage()
info = (self.admin_site.name, self.model._meta.app_label,
self.model._meta.module_name)
if user_form.is_valid():
user_id = user_form.cleaned_data['user'].pk
url = reverse('%s:%s_%s_permissions_manage_user' % info,
args=[obj.pk, user_id])
return redirect(url)
elif request.method == 'POST' and 'submit_manage_group' in request.POST:
user_form = UserManage()
group_form = GroupManage(request.POST)
info = (self.admin_site.name, self.model._meta.app_label,
self.model._meta.module_name)
if group_form.is_valid():
group_id = group_form.cleaned_data['group'].id
url = reverse('%s:%s_%s_permissions_manage_group' % info,
args=[obj.pk, group_id])
return redirect(url)
else:
user_form = UserManage()
group_form = GroupManage()
context = self.get_obj_perms_base_context(request, obj)
context['users_perms'] = users_perms
context['groups_perms'] = groups_perms
context['user_form'] = user_form
context['group_form'] = group_form
return render_to_response(
self.get_obj_perms_manage_template(), context,
RequestContext(request, current_app=self.admin_site.name))
def __get_raw_perms(self, obj):
"""
Get all perms for ``obj`` (and descendents if exists), without filter by content_type.
"""
User = get_user_model()
ctype = ContentType.objects.get_for_model(obj)
group_model = get_group_obj_perms_model(obj)
group_rel_name = group_model.permission.field.related_query_name()
if self.user:
fieldname = '%s__group__%s' % (
group_rel_name,
User.groups.field.related_query_name(),
)
group_filters = {fieldname: self.user}
else:
group_filters = {'%s__group' % group_rel_name: self.group}
if group_model.objects.is_generic():
group_filters.update({
'%s__content_type' % group_rel_name: ctype,
'%s__object_pk' % group_rel_name: obj.pk,
})
else:
group_filters['%s__content_object' % group_rel_name] = obj
if self.user and not self.user.is_active:
return []
elif self.user and self.user.is_superuser:
perms = set(Permission.objects.all())
elif self.user:
model = get_user_obj_perms_model(obj)
related_name = model.permission.field.related_query_name()
user_filters = {'%s__user' % related_name: self.user}
if model.objects.is_generic():
user_filters.update({
'%s__content_type' % related_name: ctype,
'%s__object_pk' % related_name: obj.pk,
})
else:
user_filters['%s__content_object' % related_name] = obj
perms_qs = Permission.objects
# Query user and group permissions separately and then combine
# the results to avoid a slow query
user_perms_qs = perms_qs.filter(**user_filters)
user_perms = user_perms_qs
group_perms_qs = perms_qs.filter(**group_filters)
group_perms = group_perms_qs
perms = set(chain(user_perms, group_perms))
else:
#for group
perms = set(Permission.objects.filter(**group_filters))
return perms
def assign_can_view_survey_results_perms(apps, schema_editor):
User = get_user_model()
Survey = apps.get_model('survey', 'Survey')
ContentType = apps.get_model('contenttypes', 'ContentType')
Permission = apps.get_model('auth', 'Permission')
surveys = Survey.objects.all()
for survey in surveys:
group_name = f"survey_{survey.id}_result_viewers"
group = Group.objects.create(name=group_name)
assign_perm(PERMISSION_FULL_NAME, group, survey)
creator = User.objects.get(pk=survey.created_by.id)
creator.groups.add(group)
creator.save()
def create_anonymous_user(sender, **kwargs):
"""
Creates anonymous User instance with id and username from settings.
"""
User = get_user_model()
try:
lookup = {User.USERNAME_FIELD: guardian_settings.ANONYMOUS_USER_NAME}
User.objects.get(**lookup)
except User.DoesNotExist:
retrieve_anonymous_function = import_string(
guardian_settings.GET_INIT_ANONYMOUS_USER)
user = retrieve_anonymous_function(User)
user.save()
def render(self, context):
for_whom = self.for_whom.resolve(context)
if isinstance(for_whom, get_user_model()):
self.user = for_whom
self.group = None
elif isinstance(for_whom, AnonymousUser):
self.user = get_user_model().get_anonymous()
self.group = None
elif isinstance(for_whom, Group):
self.user = None
self.group = for_whom
else:
raise NotUserNorGroup("User or Group instance required (got %s)"
% for_whom.__class__)
obj = self.obj.resolve(context)
check = ObjectPermissionChecker(for_whom)
perms = check.get_perms(obj)
perms += [ap.split('.')[1] for ap in list(get_uog_permissions(self.user, obj))]
context[self.context_var] = perms
return ''
def test_uses_custom_function(self, guardian_settings):
path = 'guardian.testapp.tests.management_test.mocked_get_init_anon'
guardian_settings.GET_INIT_ANONYMOUS_USER = path
guardian_settings.ANONYMOUS_USER_ID = 219
User = get_user_model()
anon = mocked_get_init_anon.return_value = mock.Mock()
create_anonymous_user('sender')
mocked_get_init_anon.assert_called_once_with(User)
self.assertEqual(anon.pk, 219)
anon.save.assert_called_once_with()
def create_anonymous_user(sender, **kwargs):
"""
Creates anonymous User instance with id and username from settings.
"""
User = get_user_model()
try:
User.objects.get(pk=guardian_settings.ANONYMOUS_USER_ID)
except User.DoesNotExist:
if django.VERSION >= (1, 5):
User.objects.create(pk=guardian_settings.ANONYMOUS_USER_ID,
**{User.USERNAME_FIELD: guardian_settings.ANONYMOUS_DEFAULT_USERNAME_VALUE})
else:
User.objects.create(pk=guardian_settings.ANONYMOUS_USER_ID,
username=guardian_settings.ANONYMOUS_DEFAULT_USERNAME_VALUE)
def get_users_with_permission(obj, perm, attach_perms=False, with_superusers=False,
with_group_users=True, permission_expiry=False):
qset = get_unattached_users_with_perms_qset(obj, perm,
with_group_users=with_group_users,
with_superusers=with_superusers,
permission_expiry=permission_expiry
)
if not attach_perms:
user_model = get_user_obj_perms_model(obj)
related_name = user_model.user.field.related_query_name()
ret = get_user_model().objects.filter(qset).distinct()
return ret
else:
raise NotImplementedError
def create_anonymous_user(sender, **kwargs):
"""
Creates anonymous User instance with id and username from settings.
"""
User = get_user_model()
try:
User.objects.get(pk=guardian_settings.ANONYMOUS_USER_ID)
except User.DoesNotExist:
retrieve_anonymous_function = import_string(
guardian_settings.GET_INIT_ANONYMOUS_USER)
user = retrieve_anonymous_function(User)
# Always set pk to the one pointed at settings
user.pk = guardian_settings.ANONYMOUS_USER_ID
user.save()
def has_perm(self, user_obj, perm, obj=None, groups_filter=None):
"""
Returns ``True`` if given ``user_obj`` has ``perm`` for ``obj``. If no
``obj`` is given, ``False`` is returned.
.. note::
Remember, that if user is not *active*, all checks would return
``False``.
Main difference between Django's ``ModelBackend`` is that we can pass
``obj`` instance here and ``perm`` doesn't have to contain
``app_label`` as it can be retrieved from given ``obj``.
**Inactive user support**
If user is authenticated but inactive at the same time, all checks
always returns ``False``.
"""
# Backend checks only object permissions
if obj is None:
return False
# Backend checks only permissions for Django models
if not isinstance(obj, models.Model):
return False
# This is how we support anonymous users - simply try to retrieve User
# instance and perform checks for that predefined user
if not user_obj.is_authenticated():
# If anonymous user permission is disabled then they are always
# unauthorized
if settings.ANONYMOUS_USER_ID is None:
return False
user_obj = get_user_model().objects.get(
pk=settings.ANONYMOUS_USER_ID)
# Do not check any further if user is not active
if not user_obj.is_active:
return False
if len(perm.split('.')) > 1:
app_label, perm = perm.split('.')
if app_label != obj._meta.app_label:
raise WrongAppError(
"Passed perm has app label of '%s' and "
"given obj has '%s'" % (app_label, obj._meta.app_label))
check = ObjectPermissionChecker(user_obj)
return check.has_perm(perm, obj, groups_filter=groups_filter)
def clean_user(self):
"""
Returns ``User`` instance based on the given identification.
"""
identification = self.cleaned_data['user']
user_model = get_user_model()
try:
username_field = user_model.USERNAME_FIELD
user = user_model.objects.get(**{username_field: identification})
return user
except user_model.DoesNotExist:
raise forms.ValidationError(
self.fields['user'].error_messages['does_not_exist'])
def create_anonymous_user(sender, **kwargs):
"""
Creates anonymous User instance with id and username from settings.
"""
User = get_user_model()
try:
User.objects.get(pk=guardian_settings.ANONYMOUS_USER_ID)
except User.DoesNotExist:
retrieve_anonymous_function = import_string(
guardian_settings.GET_INIT_ANONYMOUS_USER)
user = retrieve_anonymous_function(User)
# Always set pk to the one pointed at settings
user.pk = guardian_settings.ANONYMOUS_USER_ID
user.save()
def create_anonymous_user(sender, **kwargs):
"""
Creates anonymous User instance with id and username from settings.
"""
User = get_user_model()
try:
User.objects.get(pk=guardian_settings.ANONYMOUS_USER_ID)
except User.DoesNotExist:
if django.VERSION >= (1, 5):
User.objects.create(pk=guardian_settings.ANONYMOUS_USER_ID,
**{User.USERNAME_FIELD: guardian_settings.ANONYMOUS_DEFAULT_USERNAME_VALUE})
else:
User.objects.create(pk=guardian_settings.ANONYMOUS_USER_ID,
username=guardian_settings.ANONYMOUS_DEFAULT_USERNAME_VALUE)
def test_uses_custom_function(self, guardian_settings):
mocked_get_init_anon.reset_mock()
path = 'guardian.testapp.tests.test_management.mocked_get_init_anon'
guardian_settings.GET_INIT_ANONYMOUS_USER = path
guardian_settings.ANONYMOUS_USER_NAME = "anonymous"
User = get_user_model()
anon = mocked_get_init_anon.return_value = mock.Mock()
create_anonymous_user('sender')
mocked_get_init_anon.assert_called_once_with(User)
anon.save.assert_called_once_with()
def test_uses_custom_function(self, guardian_settings):
mocked_get_init_anon.reset_mock()
path = 'guardian.testapp.tests.test_management.mocked_get_init_anon'
guardian_settings.GET_INIT_ANONYMOUS_USER = path
guardian_settings.ANONYMOUS_USER_NAME = "anonymous"
User = get_user_model()
anon = mocked_get_init_anon.return_value = mock.Mock()
create_anonymous_user('sender')
mocked_get_init_anon.assert_called_once_with(User)
anon.save.assert_called_once_with()
def queryset(self, request):
qs = super(GuardedModelAdmin, self).queryset(request)
if request.user.is_superuser:
return qs
if self.user_can_access_owned_objects_only:
filters = {self.user_owned_objects_field: request.user}
qs = qs.filter(**filters)
if self.user_can_access_owned_by_group_objects_only:
User = get_user_model()
user_rel_name = User.groups.field.related_query_name()
qs_key = '%s__%s' % (self.group_owned_objects_field, user_rel_name)
filters = {qs_key: request.user}
qs = qs.filter(**filters)
return qs
def queryset(self, request):
qs = super(GuardedModelAdmin, self).queryset(request)
if request.user.is_superuser:
return qs
if self.user_can_access_owned_objects_only:
filters = {self.user_owned_objects_field: request.user}
qs = qs.filter(**filters)
if self.user_can_access_owned_by_group_objects_only:
User = get_user_model()
user_rel_name = User.groups.field.related_query_name()
qs_key = '%s__%s' % (self.group_owned_objects_field, user_rel_name)
filters = {qs_key: request.user}
qs = qs.filter(**filters)
return qs
def clean_user(self):
"""
Returns ``User`` instance based on the given identification.
"""
identification = self.cleaned_data['user']
user_model = get_user_model()
try:
username_field = user_model.USERNAME_FIELD
except AttributeError:
username_field = 'username'
try:
user = user_model.objects.get(**{username_field: identification})
return user
except user_model.DoesNotExist:
raise forms.ValidationError(
self.fields['user'].error_messages['does_not_exist'])
def load_initial_data():
flush_vavilov_tables()
User = get_user_model()
anon = User.get_anonymous()
public_group = get_or_create_public_group()
public_group.user_set.add(anon)
non_public_permissions = [
'View Observation', 'View observation images',
'View Observation Relationship', 'View Observation entity'
]
if not ACCESSIONS_ARE_PUBLIC:
non_public_permissions.append('View Accession')
add_view_permissions(anon, filter_perms=non_public_permissions)
load_initial_data_from_dict(SHARED_INITIAL_DATA_TO_LOAD)
def _create_webservice_user_for_site(sender, instance, created, *args,
**kwargs):
if created:
from django.contrib.auth import get_user_model
user = get_user_model().objects.create_user(
username='******'.format(
settings.WEBSERVICE_USERNAME_PREFIX,
instance.slug),
email='',
password=instance.slug,
first_name=instance.first_name,
last_name=instance.last_name)
group = Group.objects.get(name='WebService')
# create siteaccess
BluuSiteAccess.objects.create(site=instance, group=group, user=user)
def get_users_with_perms(obj,
attach_perms=True,
with_superusers=True,
with_group_users=True):
all_user_perms = dict()
#Retrieve superusers
if with_superusers:
superusers = get_user_model().objects.filter(Q(is_superuser=True))
for s_user in superusers:
all_user_perms[s_user] = sorted(get_perms(s_user, obj))
#Retrieve users with direct permissions
obj_content_type = ContentType.objects.get_for_model(obj)
user_perms = guardian.models.UserObjectPermission.objects.filter(
content_type=obj_content_type, object_pk=obj.id)
for p in user_perms:
if p.user in all_user_perms:
bisect.insort_left(all_user_perms[p.user], p.permission.codename)
else:
all_user_perms[p.user] = [p.permission.codename]
#Retrieve users with permissions via group
if with_group_users:
group_perms = get_groups_with_perms(obj, )
for g, perms in group_perms.iteritems(): #Iterate over each group
if g.name == "anonymous":
for g_user in g.user_set.all(
): #Iterate over each user in each group
if g_user in all_user_perms:
current_perms = list(all_user_perms[g_user])
current_perms.extend(p for p in perms
if p not in current_perms)
all_user_perms[g_user] = sorted(current_perms)
else:
all_user_perms[g_user] = sorted(perms)
else:
for g_mem in g.groupprofile.member_queryset(
): # Iterate over group members using group profile
user = g_mem.user
if user in all_user_perms: # Add unique permissions not found in current perms of user
current_perms = list(all_user_perms[user])
current_perms.extend(p for p in perms
if p not in current_perms)
all_user_perms[user] = sorted(current_perms)
else:
all_user_perms[user] = sorted(perms)
return all_user_perms
def has_perm(self, user_obj, perm, obj=None):
"""
Returns ``True`` if given ``user_obj`` has ``perm`` for ``obj``. If no
``obj`` is given, ``False`` is returned.
.. note::
Remember, that if user is not *active*, all checks would return
``False``.
Main difference between Django's ``ModelBackend`` is that we can pass
``obj`` instance here and ``perm`` doesn't have to contain
``app_label`` as it can be retrieved from given ``obj``.
**Inactive user support**
If user is authenticated but inactive at the same time, all checks
always returns ``False``.
"""
# Backend checks only object permissions
if obj is None:
return False
# Backend checks only permissions for Django models
if not isinstance(obj, models.Model):
return False
# This is how we support anonymous users - simply try to retrieve User
# instance and perform checks for that predefined user
if not user_obj.is_authenticated():
# If anonymous user permission is disabled then they are always unauthorized
if settings.ANONYMOUS_USER_ID is None:
return False
user_obj = get_user_model().objects.get(pk=settings.ANONYMOUS_USER_ID)
# Do not check any further if user is not active
if not user_obj.is_active:
return False
if len(perm.split('.')) > 1:
app_label, perm = perm.split('.')
if app_label != obj._meta.app_label:
raise WrongAppError("Passed perm has app label of '%s' and "
"given obj has '%s'" % (app_label, obj._meta.app_label))
check = ObjectPermissionChecker(user_obj)
return check.has_perm(perm, obj)
def get_site_managers(self):
"""
Returns queryset of all ``User`` objects with
*bluusites.change_bluusite* object permissions for current bluusite.
"""
ctype = ContentType.objects.get_for_model(self)
related_name = 'userobjectgroup'
user_filters = {
'%s__content_type' % related_name: ctype,
'%s__object_pk' % related_name: self.pk,
'%s__group__permissions__content_type' % related_name: ctype,
'%s__group__permissions__codename' % related_name: 'change_bluusite',
}
qset = Q(**user_filters)
return get_user_model().objects.filter(qset).exclude(
userobjectgroup__group__name='WebService').distinct()
def check_user_support(user_obj):
"""
Returns a tuple of checkresult and ``user_obj`` which should be used for
permission checks
Checks if the given user is supported. Anonymous users need explicit
activation via ANONYMOUS_USER_ID
"""
# This is how we support anonymous users - simply try to retrieve User
# instance and perform checks for that predefined user
if not user_obj.is_authenticated():
# If anonymous user permission is disabled then they are always unauthorized
if settings.ANONYMOUS_USER_ID is None:
return False, user_obj
user_obj = get_user_model().objects.get(pk=settings.ANONYMOUS_USER_ID)
return True, user_obj
def get_queryset(self, request):
# Prefer the Django >= 1.6 interface but maintain
# backward compatibility
method = getattr(super(GuardedModelAdminMixin, self), 'get_queryset',
super(GuardedModelAdminMixin, self).queryset)
qs = method(request)
if request.user.is_superuser:
return qs
if self.user_can_access_owned_objects_only:
filters = {self.user_owned_objects_field: request.user}
qs = qs.filter(**filters)
if self.user_can_access_owned_by_group_objects_only:
User = get_user_model()
user_rel_name = User.groups.field.related_query_name()
qs_key = '%s__%s' % (self.group_owned_objects_field, user_rel_name)
filters = {qs_key: request.user}
qs = qs.filter(**filters)
return qs
def get_identity(identity):
"""
Returns (user_obj, None) or (None, group_obj) tuple depending on what is
given. Also accepts AnonymousUser instance but would return ``User``
instead - it is convenient and needed for authorization backend to support
anonymous users.
:param identity: either ``User`` or ``Group`` instance
:raises ``NotUserNorGroup``: if cannot return proper identity instance
**Examples**::
>>> from django.contrib.auth.models import User
>>> user = User.objects.create(username='******')
>>> get_identity(user)
(<User: joe>, None)
>>> group = Group.objects.create(name='users')
>>> get_identity(group)
(None, <Group: users>)
>>> anon = AnonymousUser()
>>> get_identity(anon)
(<User: AnonymousUser>, None)
>>> get_identity("not instance")
...
NotUserNorGroup: User/AnonymousUser or Group instance is required (got )
"""
if isinstance(identity, AnonymousUser):
identity = get_anonymous_user()
if isinstance(identity, get_user_model()):
return identity, None
elif isinstance(identity, Group):
return None, identity
raise NotUserNorGroup("User/AnonymousUser or Group instance is required "
"(got %s)" % identity)
def removePermissionsToViewers(self, users_id):
"""
Remove guardian permissions to Viewers
"""
appProjects = getProjectsByGroup(self)
# anonynous users id
anonymous_uid = get_user_model().get_anonymous().pk
for user_id in users_id:
setPermissionUserObject(User.objects.get(pk=user_id),
self,
permissions='view_group',
mode='remove')
# adding permissions to projects
# not for anonymous user, who exit from this flow
if user_id != anonymous_uid:
for app, projects in list(appProjects.items()):
for project in projects:
project.removePermissionsToViewers(users_id)
def get_group_filters(self, obj):
User = get_user_model()
ctype = ContentType.objects.get_for_model(obj)
group_model = get_group_obj_perms_model(obj)
group_rel_name = group_model.permission.field.related_query_name()
if self.user:
fieldname = '%s__group__%s' % (
group_rel_name,
User.groups.field.related_query_name(),
)
group_filters = {fieldname: self.user}
else:
group_filters = {'%s__group' % group_rel_name: self.group}
if group_model.objects.is_generic():
group_filters.update({
'%s__content_type' % group_rel_name: ctype,
'%s__object_pk' % group_rel_name: obj.pk,
})
else:
group_filters['%s__content_object' % group_rel_name] = obj
return group_filters
