require 'rails_helper' RSpec.describe ActivityPub::ProcessCollectionService, type: :service do let(:actor) { Fabricate(:account, domain: 'example.com', uri: 'http://example.com/account') } let(:payload) do { '@context': 'https://www.w3.org/ns/activitystreams', id: 'foo', type: 'Create', actor: ActivityPub::TagManager.instance.uri_for(actor), object: { id: 'bar', type: 'Note', content: 'Lorem ipsum', }, } end let(:json) { Oj.dump(payload) } subject { described_class.new } describe '#call' do context 'when actor is suspended' do before do actor.suspend!(origin: :remote) end %w(Accept Add Announce Block Create Flag Follow Like Move Remove).each do |activity_type| context "with #{activity_type} activity" do let(:payload) do { '@context': 'https://www.w3.org/ns/activitystreams', id: 'foo', type: activity_type, actor: ActivityPub::TagManager.instance.uri_for(actor), } end it 'does not process payload' do expect(ActivityPub::Activity).not_to receive(:factory) subject.call(json, actor) end end end %w(Delete Reject Undo Update).each do |activity_type| context "with #{activity_type} activity" do let(:payload) do { '@context': 'https://www.w3.org/ns/activitystreams', id: 'foo', type: activity_type, actor: ActivityPub::TagManager.instance.uri_for(actor), } end it 'processes the payload' do expect(ActivityPub::Activity).to receive(:factory) subject.call(json, actor) end end end end context 'when actor differs from sender' do let(:forwarder) { Fabricate(:account, domain: 'example.com', uri: 'http://example.com/other_account') } it 'does not process payload if no signature exists' do expect_any_instance_of(ActivityPub::LinkedDataSignature).to receive(:verify_actor!).and_return(nil) expect(ActivityPub::Activity).not_to receive(:factory) subject.call(json, forwarder) end it 'processes payload with actor if valid signature exists' do payload['signature'] = { 'type' => 'RsaSignature2017' } expect_any_instance_of(ActivityPub::LinkedDataSignature).to receive(:verify_actor!).and_return(actor) expect(ActivityPub::Activity).to receive(:factory).with(instance_of(Hash), actor, instance_of(Hash)) subject.call(json, forwarder) end it 'does not process payload if invalid signature exists' do payload['signature'] = { 'type' => 'RsaSignature2017' } expect_any_instance_of(ActivityPub::LinkedDataSignature).to receive(:verify_actor!).and_return(nil) expect(ActivityPub::Activity).not_to receive(:factory) subject.call(json, forwarder) end context 'when receiving a fabricated status' do let!(:actor) do Fabricate(:account, username: 'bob', domain: 'example.com', uri: 'https://example.com/users/bob', public_key: "-----BEGIN PUBLIC KEY-----\nMIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAuuYyoyfsRkYnXRotMsId\nW3euBDDfiv9oVqOxUVC7bhel8KednIMrMCRWFAkgJhbrlzbIkjVr68o1MP9qLcn7\nCmH/BXHp7yhuFTr4byjdJKpwB+/i2jNEsvDH5jR8WTAeTCe0x/QHg21V3F7dSI5m\nCCZ/1dSIyOXLRTWVlfDlm3rE4ntlCo+US3/7oSWbg/4/4qEnt1HC32kvklgScxua\n4LR5ATdoXa5bFoopPWhul7MJ6NyWCyQyScUuGdlj8EN4kmKQJvphKHrI9fvhgOuG\nTvhTR1S5InA4azSSchY0tXEEw/VNxraeX0KPjbgr6DPcwhPd/m0nhVDq0zVyVBBD\nMwIDAQAB\n-----END PUBLIC KEY-----\n", private_key: nil) end let(:payload) do { '@context': [ 'https://www.w3.org/ns/activitystreams', nil, { 'object': 'https://www.w3.org/ns/activitystreams#object' } ], 'id': 'https://example.com/users/bob/fake-status/activity', 'type': 'Create', 'actor': 'https://example.com/users/bob', 'published': '2022-01-22T15:00:00Z', 'to': [ 'https://www.w3.org/ns/activitystreams#Public' ], 'cc': [ 'https://example.com/users/bob/followers' ], 'signature': { 'type': 'RsaSignature2017', 'creator': 'https://example.com/users/bob#main-key', 'created': '2022-03-09T21:57:25Z', 'signatureValue': 'WculK0LelTQ0MvGwU9TPoq5pFzFfGYRDCJqjZ232/Udj4CHqDTGOSw5UTDLShqBOyycCkbZGrQwXG+dpyDpQLSe1UVPZ5TPQtc/9XtI57WlS2nMNpdvRuxGnnb2btPdesXZ7n3pCxo0zjaXrJMe0mqQh5QJO22mahb4bDwwmfTHgbD3nmkD+fBfGi+UV2qWwqr+jlV4L4JqNkh0gWljF5KTePLRRZCuWiQ/FAt7c67636cdIPf7fR+usjuZltTQyLZKEGuK8VUn2Gkfsx5qns7Vcjvlz1JqlAjyO8HPBbzTTHzUG2nUOIgC3PojCSWv6mNTmRGoLZzOscCAYQA6cKw==' }, '@id': 'https://example.com/users/bob/statuses/107928807471117876/activity', '@type': 'https://www.w3.org/ns/activitystreams#Create', 'https://www.w3.org/ns/activitystreams#actor': { '@id': 'https://example.com/users/bob' }, 'https://www.w3.org/ns/activitystreams#cc': { '@id': 'https://example.com/users/bob/followers' }, 'object': { 'id': 'https://example.com/users/bob/fake-status', 'type': 'Note', 'published': '2022-01-22T15:00:00Z', 'url': 'https://www.youtube.com/watch?v=dQw4w9WgXcQ&feature=puck-was-here', 'attributedTo': 'https://example.com/users/bob', 'to': [ 'https://www.w3.org/ns/activitystreams#Public' ], 'cc': [ 'https://example.com/users/bob/followers' ], 'sensitive': false, 'atomUri': 'https://example.com/users/bob/fake-status', 'conversation': 'tag:example.com,2022-03-09:objectId=15:objectType=Conversation', 'content': '

puck was here

', '@id': 'https://example.com/users/bob/statuses/107928807471117876', '@type': 'https://www.w3.org/ns/activitystreams#Note', 'http://ostatus.org#atomUri': 'https://example.com/users/bob/statuses/107928807471117876', 'http://ostatus.org#conversation': 'tag:example.com,2022-03-09:objectId=15:objectType=Conversation', 'https://www.w3.org/ns/activitystreams#attachment': [], 'https://www.w3.org/ns/activitystreams#attributedTo': { '@id': 'https://example.com/users/bob' }, 'https://www.w3.org/ns/activitystreams#cc': { '@id': 'https://example.com/users/bob/followers' }, 'https://www.w3.org/ns/activitystreams#content': [ '

hello world

', { '@value': '

hello world

', '@language': 'en' } ], 'https://www.w3.org/ns/activitystreams#published': { '@type': 'http://www.w3.org/2001/XMLSchema#dateTime', '@value': '2022-03-09T21:55:07Z' }, 'https://www.w3.org/ns/activitystreams#replies': { '@id': 'https://example.com/users/bob/statuses/107928807471117876/replies', '@type': 'https://www.w3.org/ns/activitystreams#Collection', 'https://www.w3.org/ns/activitystreams#first': { '@type': 'https://www.w3.org/ns/activitystreams#CollectionPage', 'https://www.w3.org/ns/activitystreams#items': [], 'https://www.w3.org/ns/activitystreams#next': { '@id': 'https://example.com/users/bob/statuses/107928807471117876/replies?only_other_accounts=true&page=true' }, 'https://www.w3.org/ns/activitystreams#partOf': { '@id': 'https://example.com/users/bob/statuses/107928807471117876/replies' } } }, 'https://www.w3.org/ns/activitystreams#sensitive': false, 'https://www.w3.org/ns/activitystreams#tag': [], 'https://www.w3.org/ns/activitystreams#to': { '@id': 'https://www.w3.org/ns/activitystreams#Public' }, 'https://www.w3.org/ns/activitystreams#url': { '@id': 'https://example.com/@bob/107928807471117876' } }, 'https://www.w3.org/ns/activitystreams#published': { '@type': 'http://www.w3.org/2001/XMLSchema#dateTime', '@value': '2022-03-09T21:55:07Z' }, 'https://www.w3.org/ns/activitystreams#to': { '@id': 'https://www.w3.org/ns/activitystreams#Public' } } end it 'does not process forged payload' do expect(ActivityPub::Activity).not_to receive(:factory).with( hash_including( 'object' => hash_including( 'id' => 'https://example.com/users/bob/fake-status' ) ), anything, anything ) expect(ActivityPub::Activity).not_to receive(:factory).with( hash_including( 'object' => hash_including( 'content' => '

puck was here

' ) ), anything, anything ) subject.call(json, forwarder) expect(Status.where(uri: 'https://example.com/users/bob/fake-status').exists?).to be false end end end end end