237 lines
		
	
	
		
			9.6 KiB
		
	
	
	
		
			Ruby
		
	
	
	
	
	
			
		
		
	
	
			237 lines
		
	
	
		
			9.6 KiB
		
	
	
	
		
			Ruby
		
	
	
	
	
	
require 'rails_helper'
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RSpec.describe ActivityPub::ProcessCollectionService, type: :service do
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  let(:actor) { Fabricate(:account, domain: 'example.com', uri: 'http://example.com/account') }
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  let(:payload) do
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    {
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      '@context': 'https://www.w3.org/ns/activitystreams',
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      id: 'foo',
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      type: 'Create',
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      actor: ActivityPub::TagManager.instance.uri_for(actor),
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      object: {
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        id: 'bar',
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        type: 'Note',
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        content: 'Lorem ipsum',
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      },
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    }
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  end
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  let(:json) { Oj.dump(payload) }
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  subject { described_class.new }
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  describe '#call' do
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    context 'when actor is suspended' do
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      before do
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        actor.suspend!(origin: :remote)
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      end
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      %w(Accept Add Announce Block Create Flag Follow Like Move Remove).each do |activity_type|
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        context "with #{activity_type} activity" do
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          let(:payload) do
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            {
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              '@context': 'https://www.w3.org/ns/activitystreams',
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              id: 'foo',
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              type: activity_type,
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              actor: ActivityPub::TagManager.instance.uri_for(actor),
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            }
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          end
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          it 'does not process payload' do
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            expect(ActivityPub::Activity).not_to receive(:factory)
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            subject.call(json, actor)
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          end
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        end
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      end
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      %w(Delete Reject Undo Update).each do |activity_type|
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        context "with #{activity_type} activity" do
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          let(:payload) do
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            {
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              '@context': 'https://www.w3.org/ns/activitystreams',
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              id: 'foo',
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              type: activity_type,
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              actor: ActivityPub::TagManager.instance.uri_for(actor),
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            }
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          end
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          it 'processes the payload' do
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            expect(ActivityPub::Activity).to receive(:factory)
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            subject.call(json, actor)
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          end
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        end
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      end
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    end
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    context 'when actor differs from sender' do
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      let(:forwarder) { Fabricate(:account, domain: 'example.com', uri: 'http://example.com/other_account') }
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      it 'does not process payload if no signature exists' do
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        expect_any_instance_of(ActivityPub::LinkedDataSignature).to receive(:verify_account!).and_return(nil)
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        expect(ActivityPub::Activity).not_to receive(:factory)
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        subject.call(json, forwarder)
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      end
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      it 'processes payload with actor if valid signature exists' do
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        payload['signature'] = { 'type' => 'RsaSignature2017' }
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        expect_any_instance_of(ActivityPub::LinkedDataSignature).to receive(:verify_account!).and_return(actor)
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        expect(ActivityPub::Activity).to receive(:factory).with(instance_of(Hash), actor, instance_of(Hash))
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        subject.call(json, forwarder)
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      end
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      it 'does not process payload if invalid signature exists' do
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        payload['signature'] = { 'type' => 'RsaSignature2017' }
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        expect_any_instance_of(ActivityPub::LinkedDataSignature).to receive(:verify_account!).and_return(nil)
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        expect(ActivityPub::Activity).not_to receive(:factory)
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        subject.call(json, forwarder)
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      end
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      context 'when receiving a fabricated status' do
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        let!(:actor) do
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          Fabricate(:account,
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            username: 'bob',
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            domain: 'example.com',
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            uri: 'https://example.com/users/bob',
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            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",
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            private_key: nil)
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        end
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        let(:payload) do
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          {
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            '@context': [
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              'https://www.w3.org/ns/activitystreams',
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              nil,
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              {'object': 'https://www.w3.org/ns/activitystreams#object'}
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            ],
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            'id': 'https://example.com/users/bob/fake-status/activity',
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            'type': 'Create',
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            'actor': 'https://example.com/users/bob',
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            'published': '2022-01-22T15:00:00Z',
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            'to': [
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              'https://www.w3.org/ns/activitystreams#Public'
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            ],
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            'cc': [
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              'https://example.com/users/bob/followers'
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            ],
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            'signature': {
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              'type': 'RsaSignature2017',
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              'creator': 'https://example.com/users/bob#main-key',
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              'created': '2022-03-09T21:57:25Z',
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              'signatureValue': 'WculK0LelTQ0MvGwU9TPoq5pFzFfGYRDCJqjZ232/Udj4CHqDTGOSw5UTDLShqBOyycCkbZGrQwXG+dpyDpQLSe1UVPZ5TPQtc/9XtI57WlS2nMNpdvRuxGnnb2btPdesXZ7n3pCxo0zjaXrJMe0mqQh5QJO22mahb4bDwwmfTHgbD3nmkD+fBfGi+UV2qWwqr+jlV4L4JqNkh0gWljF5KTePLRRZCuWiQ/FAt7c67636cdIPf7fR+usjuZltTQyLZKEGuK8VUn2Gkfsx5qns7Vcjvlz1JqlAjyO8HPBbzTTHzUG2nUOIgC3PojCSWv6mNTmRGoLZzOscCAYQA6cKw=='
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            },
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            '@id': 'https://example.com/users/bob/statuses/107928807471117876/activity',
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            '@type': 'https://www.w3.org/ns/activitystreams#Create',
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            'https://www.w3.org/ns/activitystreams#actor': {
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              '@id': 'https://example.com/users/bob'
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            },
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            'https://www.w3.org/ns/activitystreams#cc': {
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              '@id': 'https://example.com/users/bob/followers'
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            },
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            'object': {
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              'id': 'https://example.com/users/bob/fake-status',
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              'type': 'Note',
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              'published': '2022-01-22T15:00:00Z',
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              'url': 'https://www.youtube.com/watch?v=dQw4w9WgXcQ&feature=puck-was-here',
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              'attributedTo': 'https://example.com/users/bob',
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              'to': [
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                'https://www.w3.org/ns/activitystreams#Public'
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              ],
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              'cc': [
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                'https://example.com/users/bob/followers'
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              ],
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              'sensitive': false,
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              'atomUri': 'https://example.com/users/bob/fake-status',
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              'conversation': 'tag:example.com,2022-03-09:objectId=15:objectType=Conversation',
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              'content': '<p>puck was here</p>',
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              '@id': 'https://example.com/users/bob/statuses/107928807471117876',
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              '@type': 'https://www.w3.org/ns/activitystreams#Note',
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              'http://ostatus.org#atomUri': 'https://example.com/users/bob/statuses/107928807471117876',
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              'http://ostatus.org#conversation': 'tag:example.com,2022-03-09:objectId=15:objectType=Conversation',
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              'https://www.w3.org/ns/activitystreams#attachment': [],
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              'https://www.w3.org/ns/activitystreams#attributedTo': {
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                '@id': 'https://example.com/users/bob'
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              },
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              'https://www.w3.org/ns/activitystreams#cc': {
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                '@id': 'https://example.com/users/bob/followers'
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              },
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              'https://www.w3.org/ns/activitystreams#content': [
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                '<p>hello world</p>',
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                {
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                  '@value': '<p>hello world</p>',
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                  '@language': 'en'
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                }
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              ],
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              'https://www.w3.org/ns/activitystreams#published': {
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                '@type': 'http://www.w3.org/2001/XMLSchema#dateTime',
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                '@value': '2022-03-09T21:55:07Z'
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              },
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              'https://www.w3.org/ns/activitystreams#replies': {
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                '@id': 'https://example.com/users/bob/statuses/107928807471117876/replies',
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                '@type': 'https://www.w3.org/ns/activitystreams#Collection',
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                'https://www.w3.org/ns/activitystreams#first': {
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                  '@type': 'https://www.w3.org/ns/activitystreams#CollectionPage',
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                  'https://www.w3.org/ns/activitystreams#items': [],
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                  'https://www.w3.org/ns/activitystreams#next': {
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                    '@id': 'https://example.com/users/bob/statuses/107928807471117876/replies?only_other_accounts=true&page=true'
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                  },
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                  'https://www.w3.org/ns/activitystreams#partOf': {
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                    '@id': 'https://example.com/users/bob/statuses/107928807471117876/replies'
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                  }
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                }
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              },
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              'https://www.w3.org/ns/activitystreams#sensitive': false,
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              'https://www.w3.org/ns/activitystreams#tag': [],
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              'https://www.w3.org/ns/activitystreams#to': {
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                '@id': 'https://www.w3.org/ns/activitystreams#Public'
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              },
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              'https://www.w3.org/ns/activitystreams#url': {
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                '@id': 'https://example.com/@bob/107928807471117876'
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              }
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            },
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            'https://www.w3.org/ns/activitystreams#published': {
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              '@type': 'http://www.w3.org/2001/XMLSchema#dateTime',
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              '@value': '2022-03-09T21:55:07Z'
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            },
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            'https://www.w3.org/ns/activitystreams#to': {
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              '@id': 'https://www.w3.org/ns/activitystreams#Public'
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            }
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          }
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        end
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        it 'does not process forged payload' do
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          expect(ActivityPub::Activity).not_to receive(:factory).with(
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            hash_including(
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              'object' => hash_including(
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                'id' => 'https://example.com/users/bob/fake-status'
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              )
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            ),
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            anything(),
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            anything()
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          )
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          expect(ActivityPub::Activity).not_to receive(:factory).with(
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            hash_including(
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              'object' => hash_including(
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                'content' => '<p>puck was here</p>'
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              )
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            ),
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            anything(),
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            anything()
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          )
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          subject.call(json, forwarder)
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          expect(Status.where(uri: 'https://example.com/users/bob/fake-status').exists?).to be false
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        end
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      end
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    end
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  end
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end
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