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https://github.com/bookwyrm-social/bookwyrm.git
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Updates inbox view
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parent
62ff9d6199
commit
c874a762dd
2 changed files with 33 additions and 32 deletions
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@ -3,6 +3,7 @@ import json
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import pathlib
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from unittest.mock import patch
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from django.core.exceptions import PermissionDenied
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from django.http import HttpResponseNotAllowed, HttpResponseNotFound
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from django.test import TestCase, Client
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from django.test.client import RequestFactory
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@ -130,22 +131,24 @@ class Inbox(TestCase):
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"",
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HTTP_USER_AGENT="http.rb/4.4.1 (Mastodon/3.3.0; +https://mastodon.social/)",
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)
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self.assertFalse(views.inbox.is_blocked_user_agent(request))
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self.assertIsNone(views.inbox.raise_is_blocked_user_agent(request))
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models.FederatedServer.objects.create(
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server_name="mastodon.social", status="blocked"
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)
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self.assertTrue(views.inbox.is_blocked_user_agent(request))
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with self.assertRaises(PermissionDenied):
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views.inbox.raise_is_blocked_user_agent(request)
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def test_is_blocked_activity(self):
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"""check for blocked servers"""
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activity = {"actor": "https://mastodon.social/user/whaatever/else"}
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self.assertFalse(views.inbox.is_blocked_activity(activity))
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self.assertIsNone(views.inbox.raise_is_blocked_activity(activity))
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models.FederatedServer.objects.create(
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server_name="mastodon.social", status="blocked"
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)
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self.assertTrue(views.inbox.is_blocked_activity(activity))
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with self.assertRaises(PermissionDenied):
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views.inbox.raise_is_blocked_activity(activity)
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@patch("bookwyrm.suggested_users.remove_user_task.delay")
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def test_create_by_deactivated_user(self, _):
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@ -157,11 +160,11 @@ class Inbox(TestCase):
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activity = self.create_json
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activity["actor"] = self.remote_user.remote_id
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activity["object"] = status_data
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activity["type"] = "Create"
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with patch("bookwyrm.views.inbox.has_valid_signature") as mock_valid:
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mock_valid.return_value = True
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result = self.client.post(
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"/inbox", json.dumps(activity), content_type="application/json"
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)
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self.assertEqual(result.status_code, 403)
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response = self.client.post(
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"/inbox",
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json.dumps(activity),
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content_type="application/json",
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)
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self.assertEqual(response.status_code, 403)
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@ -3,8 +3,9 @@ import json
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import re
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from urllib.parse import urldefrag
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from django.http import HttpResponse, HttpResponseNotFound
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from django.http import HttpResponseBadRequest, HttpResponseForbidden
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from django.http import HttpResponse, Http404
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from django.core.exceptions import BadRequest, PermissionDenied
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from django.shortcuts import get_object_or_404
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from django.utils.decorators import method_decorator
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from django.views import View
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from django.views.decorators.csrf import csrf_exempt
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@ -21,36 +22,30 @@ from bookwyrm.utils import regex
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class Inbox(View):
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"""requests sent by outside servers"""
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# pylint: disable=too-many-return-statements
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def post(self, request, username=None):
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"""only works as POST request"""
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# first check if this server is on our shitlist
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if is_blocked_user_agent(request):
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return HttpResponseForbidden()
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raise_is_blocked_user_agent(request)
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# make sure the user's inbox even exists
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if username:
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try:
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models.User.objects.get(localname=username)
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except models.User.DoesNotExist:
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return HttpResponseNotFound()
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get_object_or_404(models.User, localname=username, is_active=True)
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# is it valid json? does it at least vaguely resemble an activity?
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try:
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activity_json = json.loads(request.body)
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except json.decoder.JSONDecodeError:
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return HttpResponseBadRequest()
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raise BadRequest()
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# let's be extra sure we didn't block this domain
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if is_blocked_activity(activity_json):
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return HttpResponseForbidden()
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raise_is_blocked_activity(activity_json)
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if (
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not "object" in activity_json
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or not "type" in activity_json
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or not activity_json["type"] in activitypub.activity_objects
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):
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return HttpResponseNotFound()
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raise Http404()
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# verify the signature
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if not has_valid_signature(request, activity_json):
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@ -65,32 +60,35 @@ class Inbox(View):
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return HttpResponse()
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def is_blocked_user_agent(request):
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def raise_is_blocked_user_agent(request):
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"""check if a request is from a blocked server based on user agent"""
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# check user agent
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user_agent = request.headers.get("User-Agent")
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if not user_agent:
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return False
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return
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url = re.search(rf"https?://{regex.DOMAIN}/?", user_agent)
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if not url:
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return False
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return
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url = url.group()
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return models.FederatedServer.is_blocked(url)
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if models.FederatedServer.is_blocked(url):
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raise PermissionDenied()
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def is_blocked_activity(activity_json):
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def raise_is_blocked_activity(activity_json):
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"""get the sender out of activity json and check if it's blocked"""
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actor = activity_json.get("actor")
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# check if the user is banned/deleted
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existing = models.User.find_existing_by_remote_id(actor)
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if existing and existing.deleted:
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return True
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raise PermissionDenied()
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if not actor:
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# well I guess it's not even a valid activity so who knows
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return False
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return models.FederatedServer.is_blocked(actor)
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return
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if models.FederatedServer.is_blocked(actor):
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raise PermissionDenied()
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@app.task(queue="medium_priority")
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