Makes visibility evaluator a model function

This commit is contained in:
Mouse Reeve 2021-04-11 09:26:12 -07:00
parent 26f16cf5a4
commit b6a7871b04
9 changed files with 101 additions and 95 deletions

View file

@ -83,6 +83,36 @@ class ActivitypubMixin:
super().__init__(*args, **kwargs)
def visible_to_user(self, viewer):
""" is a user authorized to view an object? """
# make sure this is an object with privacy owned by a user
if not hasattr(self, "user") or not hasattr(self, "privacy"):
return None
# viewer can't see it if the object's owner blocked them
if viewer in self.user.blocks.all():
return False
# you can see your own posts and any public or unlisted posts
if viewer == self.user or self.privacy in ["public", "unlisted"]:
return True
# you can see the followers only posts of people you follow
if (
self.privacy == "followers"
and self.user.followers.filter(id=viewer.id).first()
):
return True
# you can see dms you are tagged in
if hasattr(self, "mention_users"):
if (
self.privacy == "direct"
and self.mention_users.filter(id=viewer.id).first()
):
return True
return False
@classmethod
def find_existing_by_remote_id(cls, remote_id):
""" look up a remote id in the db """

View file

@ -44,6 +44,66 @@ class ActivitypubMixins(TestCase):
"published": "2020-12-04T17:52:22.623807+00:00",
}
def test_object_visible_to_user(self, _):
""" does a user have permission to view an object """
obj = models.Status.objects.create(
content="hi", user=self.remote_user, privacy="public"
)
self.assertTrue(obj.visible_to_user(self.local_user))
obj = models.Shelf.objects.create(
name="test", user=self.remote_user, privacy="unlisted"
)
self.assertTrue(obj.visible_to_user(self.local_user))
obj = models.Status.objects.create(
content="hi", user=self.remote_user, privacy="followers"
)
self.assertFalse(obj.visible_to_user(self.local_user))
obj = models.Status.objects.create(
content="hi", user=self.remote_user, privacy="direct"
)
self.assertFalse(obj.visible_to_user(self.local_user))
obj = models.Status.objects.create(
content="hi", user=self.remote_user, privacy="direct"
)
obj.mention_users.add(self.local_user)
self.assertTrue(obj.visible_to_user(self.local_user))
def test_object_visible_to_user_follower(self, _):
""" what you can see if you follow a user """
self.remote_user.followers.add(self.local_user)
obj = models.Status.objects.create(
content="hi", user=self.remote_user, privacy="followers"
)
self.assertTrue(obj.visible_to_user(self.local_user))
obj = models.Status.objects.create(
content="hi", user=self.remote_user, privacy="direct"
)
self.assertFalse(obj.visible_to_user(self.local_user))
obj = models.Status.objects.create(
content="hi", user=self.remote_user, privacy="direct"
)
obj.mention_users.add(self.local_user)
self.assertTrue(obj.visible_to_user(self.local_user))
def test_object_visible_to_user_blocked(self, _):
""" you can't see it if they block you """
self.remote_user.blocks.add(self.local_user)
obj = models.Status.objects.create(
content="hi", user=self.remote_user, privacy="public"
)
self.assertFalse(obj.visible_to_user(self.local_user))
obj = models.Shelf.objects.create(
name="test", user=self.remote_user, privacy="unlisted"
)
self.assertFalse(obj.visible_to_user(self.local_user))
# ActivitypubMixin
def test_to_activity(self, _):
""" model to ActivityPub json """

View file

@ -199,66 +199,6 @@ class ViewsHelpers(TestCase):
)
self.assertFalse(models.GeneratedNote.objects.exists())
def test_object_visible_to_user(self, _):
""" does a user have permission to view an object """
obj = models.Status.objects.create(
content="hi", user=self.remote_user, privacy="public"
)
self.assertTrue(views.helpers.object_visible_to_user(self.local_user, obj))
obj = models.Shelf.objects.create(
name="test", user=self.remote_user, privacy="unlisted"
)
self.assertTrue(views.helpers.object_visible_to_user(self.local_user, obj))
obj = models.Status.objects.create(
content="hi", user=self.remote_user, privacy="followers"
)
self.assertFalse(views.helpers.object_visible_to_user(self.local_user, obj))
obj = models.Status.objects.create(
content="hi", user=self.remote_user, privacy="direct"
)
self.assertFalse(views.helpers.object_visible_to_user(self.local_user, obj))
obj = models.Status.objects.create(
content="hi", user=self.remote_user, privacy="direct"
)
obj.mention_users.add(self.local_user)
self.assertTrue(views.helpers.object_visible_to_user(self.local_user, obj))
def test_object_visible_to_user_follower(self, _):
""" what you can see if you follow a user """
self.remote_user.followers.add(self.local_user)
obj = models.Status.objects.create(
content="hi", user=self.remote_user, privacy="followers"
)
self.assertTrue(views.helpers.object_visible_to_user(self.local_user, obj))
obj = models.Status.objects.create(
content="hi", user=self.remote_user, privacy="direct"
)
self.assertFalse(views.helpers.object_visible_to_user(self.local_user, obj))
obj = models.Status.objects.create(
content="hi", user=self.remote_user, privacy="direct"
)
obj.mention_users.add(self.local_user)
self.assertTrue(views.helpers.object_visible_to_user(self.local_user, obj))
def test_object_visible_to_user_blocked(self, _):
""" you can't see it if they block you """
self.remote_user.blocks.add(self.local_user)
obj = models.Status.objects.create(
content="hi", user=self.remote_user, privacy="public"
)
self.assertFalse(views.helpers.object_visible_to_user(self.local_user, obj))
obj = models.Shelf.objects.create(
name="test", user=self.remote_user, privacy="unlisted"
)
self.assertFalse(views.helpers.object_visible_to_user(self.local_user, obj))
def test_get_annotated_users(self, _):
""" list of people you might know """
user_1 = models.User.objects.create_user(

View file

@ -12,7 +12,7 @@ from bookwyrm import activitystreams, forms, models
from bookwyrm.activitypub import ActivitypubResponse
from bookwyrm.settings import PAGE_LENGTH, STREAMS
from .helpers import get_user_from_username, privacy_filter, get_suggested_users
from .helpers import is_api_request, is_bookwyrm_request, object_visible_to_user
from .helpers import is_api_request, is_bookwyrm_request
# pylint: disable= no-self-use
@ -113,7 +113,7 @@ class Status(View):
return HttpResponseNotFound()
# make sure the user is authorized to see the status
if not object_visible_to_user(request.user, status):
if not status.visible_to_user(request.user):
return HttpResponseNotFound()
if is_api_request(request):

View file

@ -10,7 +10,7 @@ from django.views.decorators.http import require_POST
from bookwyrm import forms, models
from bookwyrm.status import create_generated_note
from .helpers import get_user_from_username, object_visible_to_user
from .helpers import get_user_from_username
# pylint: disable= no-self-use
@ -26,7 +26,7 @@ class Goal(View):
if not goal and user != request.user:
return HttpResponseNotFound()
if goal and not object_visible_to_user(request.user, goal):
if goal and not goal.visible_to_user(request.user):
return HttpResponseNotFound()
data = {

View file

@ -32,30 +32,6 @@ def is_bookwyrm_request(request):
return True
def object_visible_to_user(viewer, obj):
""" is a user authorized to view an object? """
if not obj:
return False
# viewer can't see it if the object's owner blocked them
if viewer in obj.user.blocks.all():
return False
# you can see your own posts and any public or unlisted posts
if viewer == obj.user or obj.privacy in ["public", "unlisted"]:
return True
# you can see the followers only posts of people you follow
if obj.privacy == "followers" and obj.user.followers.filter(id=viewer.id).first():
return True
# you can see dms you are tagged in
if isinstance(obj, models.Status):
if obj.privacy == "direct" and obj.mention_users.filter(id=viewer.id).first():
return True
return False
def privacy_filter(viewer, queryset, privacy_levels=None, following_only=False):
""" filter objects that have "user" and "privacy" fields """
privacy_levels = privacy_levels or ["public", "unlisted", "followers", "direct"]

View file

@ -13,7 +13,7 @@ from django.views.decorators.http import require_POST
from bookwyrm import forms, models
from bookwyrm.activitypub import ActivitypubResponse
from bookwyrm.connectors import connector_manager
from .helpers import is_api_request, object_visible_to_user, privacy_filter
from .helpers import is_api_request, privacy_filter
from .helpers import get_user_from_username
# pylint: disable=no-self-use
@ -92,7 +92,7 @@ class List(View):
def get(self, request, list_id):
""" display a book list """
book_list = get_object_or_404(models.List, id=list_id)
if not object_visible_to_user(request.user, book_list):
if not book_list.visible_to_user(request.user):
return HttpResponseNotFound()
if is_api_request(request):
@ -176,7 +176,7 @@ class Curate(View):
def add_book(request):
""" put a book on a list """
book_list = get_object_or_404(models.List, id=request.POST.get("list"))
if not object_visible_to_user(request.user, book_list):
if not book_list.visible_to_user(request.user):
return HttpResponseNotFound()
book = get_object_or_404(models.Edition, id=request.POST.get("book"))

View file

@ -16,7 +16,7 @@ from bookwyrm import forms, models
from bookwyrm.activitypub import ActivitypubResponse
from bookwyrm.settings import PAGE_LENGTH
from .helpers import is_api_request, get_edition, get_user_from_username
from .helpers import handle_reading_status, privacy_filter, object_visible_to_user
from .helpers import handle_reading_status, privacy_filter
# pylint: disable= no-self-use
@ -43,7 +43,7 @@ class Shelf(View):
shelf = user.shelf_set.get(identifier=shelf_identifier)
except models.Shelf.DoesNotExist:
return HttpResponseNotFound()
if not object_visible_to_user(request.user, shelf):
if not shelf.visible_to_user(request.user):
return HttpResponseNotFound()
# this is a constructed "all books" view, with a fake "shelf" obj
else:

View file

@ -17,7 +17,7 @@ from bookwyrm import forms, models
from bookwyrm.activitypub import ActivitypubResponse
from bookwyrm.settings import PAGE_LENGTH
from .helpers import get_user_from_username, is_api_request
from .helpers import is_blocked, privacy_filter, object_visible_to_user
from .helpers import is_blocked, privacy_filter
# pylint: disable= no-self-use
@ -80,7 +80,7 @@ class User(View):
goal = models.AnnualGoal.objects.filter(
user=user, year=timezone.now().year
).first()
if not object_visible_to_user(request.user, goal):
if not goal.visible_to_user(request.user):
goal = None
data = {
"user": user,