takahe/tests/users/views/test_activitypub.py

import pytest

from users.models import InboxMessage


@pytest.mark.django_db
def test_webfinger_actor(client, identity):
    """
    Ensures the webfinger and actor URLs are working properly
    """
    identity.generate_keypair()
    # Fetch their webfinger
    response = client.get("/.well-known/webfinger?resource=acct:test@example.com")
    assert response.headers["content-type"] == "application/jrd+json"
    data = response.json()
    assert data["subject"] == "acct:test@example.com"
    assert data["aliases"][0] == "https://example.com/@test/"
    # Fetch their actor
    data = client.get("/@test@example.com/", HTTP_ACCEPT="application/ld+json").json()
    assert data["id"] == "https://example.com/@test@example.com/"
    assert data["endpoints"]["sharedInbox"] == "https://example.com/inbox/"


@pytest.mark.django_db
def test_webfinger_system_actor(client):
    """
    Ensures the webfinger and actor URLs are working properly for system actor
    """
    # Fetch their webfinger
    data = client.get(
        "/.well-known/webfinger?resource=acct:__system__@example.com"
    ).json()
    assert data["subject"] == "acct:__system__@example.com"
    assert data["aliases"][0] == "https://example.com/about/"
    # Fetch their actor
    data = client.get("/actor/", HTTP_ACCEPT="application/ld+json").json()
    assert data["id"] == "https://example.com/actor/"
    assert data["inbox"] == "https://example.com/actor/inbox/"
    assert data["endpoints"]["sharedInbox"] == "https://example.com/inbox/"


@pytest.mark.django_db
def test_delete_unknown_actor(client, identity):
    """
    Tests that unknown actor delete messages are dropped
    """
    data = {
        "@context": "https://www.w3.org/ns/activitystreams",
        "actor": "https://mastodon.test/users/fakec8b6984105c8f15070a2",
        "id": "https://mastodon.test/users/fakec8b6984105c8f15070a2#delete",
        "object": "https://mastodon.test/users/fakec8b6984105c8f15070a2",
        "signature": {
            "created": "2022-12-06T03:54:28Z",
            "creator": "https://mastodon.test/users/fakec8b6984105c8f15070a2#main-key",
            "signatureValue": "This value doesn't matter",
            "type": "RsaSignature2017",
        },
        "to": ["https://www.w3.org/ns/activitystreams#Public"],
        "type": "Delete",
    }
    resp = client.post(
        identity.inbox_uri, data=data, content_type="application/activity+json"
    )
    assert resp.status_code == 202


@pytest.mark.django_db
def test_ignore_lemmy(client, identity):
    """
    Tests that message types we know we cannot handle are ignored immediately
    """
    data = {
        "cc": "https://lemmy.ml/c/asklemmy/followers",
        "id": "https://lemmy.ml/activities/announce/12345",
        "to": "as:Public",
        "type": "Announce",
        "actor": "https://lemmy.ml/c/asklemmy",
        "object": {
            "id": "https://lemmy.world/activities/like/12345",
            "type": "Like",
            "actor": "https://lemmy.world/u/Nobody",
            "object": "https://sopuli.xyz/comment/12345",
            "audience": "https://lemmy.ml/c/asklemmy",
        },
        "@context": [
            "https://www.w3.org/ns/activitystreams",
            "https://w3id.org/security/v1",
            {
                "pt": "https://joinpeertube.org/ns#",
                "sc": "http://schema.org/",
                "lemmy": "https://join-lemmy.org/ns#",
                "expires": "as:endTime",
                "litepub": "http://litepub.social/ns#",
                "language": "sc:inLanguage",
                "stickied": "lemmy:stickied",
                "sensitive": "as:sensitive",
                "identifier": "sc:identifier",
                "moderators": {"@id": "lemmy:moderators", "@type": "@id"},
                "removeData": "lemmy:removeData",
                "ChatMessage": "litepub:ChatMessage",
                "matrixUserId": "lemmy:matrixUserId",
                "distinguished": "lemmy:distinguished",
                "commentsEnabled": "pt:commentsEnabled",
                "postingRestrictedToMods": "lemmy:postingRestrictedToMods",
            },
            "https://w3id.org/security/v1",
        ],
    }
    num_inbox_messages = InboxMessage.objects.count()
    resp = client.post(
        identity.inbox_uri, data=data, content_type="application/activity+json"
    )
    assert num_inbox_messages == InboxMessage.objects.count()
    assert resp.status_code == 202