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8cf7006d4e
* Move ActivityPub::FetchRemoteAccountService to ActivityPub::FetchRemoteActorService ActivityPub::FetchRemoteAccountService is kept as a wrapper for when the actor is specifically required to be an Account * Refactor SignatureVerification to allow non-Account actors * fixup! Move ActivityPub::FetchRemoteAccountService to ActivityPub::FetchRemoteActorService * Refactor ActivityPub::FetchRemoteKeyService to potentially return non-Account actors * Refactor inbound ActivityPub payload processing to accept non-Account actors * Refactor inbound ActivityPub processing to accept activities relayed through non-Account * Refactor how Account key URIs are built * Refactor Request and drop unused key_id_format parameter * Rename ActivityPub::Dereferencer `signature_account` to `signature_actor`
87 lines
2.3 KiB
Ruby
87 lines
2.3 KiB
Ruby
require 'rails_helper'
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RSpec.describe ActivityPub::LinkedDataSignature do
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include JsonLdHelper
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let!(:sender) { Fabricate(:account, uri: 'http://example.com/alice') }
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let(:raw_json) do
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{
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'@context' => 'https://www.w3.org/ns/activitystreams',
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'id' => 'http://example.com/hello-world',
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}
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end
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let(:json) { raw_json.merge('signature' => signature) }
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subject { described_class.new(json) }
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before do
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stub_jsonld_contexts!
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end
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describe '#verify_actor!' do
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context 'when signature matches' do
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let(:raw_signature) do
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{
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'creator' => 'http://example.com/alice',
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'created' => '2017-09-23T20:21:34Z',
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}
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end
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let(:signature) { raw_signature.merge('type' => 'RsaSignature2017', 'signatureValue' => sign(sender, raw_signature, raw_json)) }
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it 'returns creator' do
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expect(subject.verify_actor!).to eq sender
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end
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end
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context 'when signature is missing' do
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let(:signature) { nil }
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it 'returns nil' do
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expect(subject.verify_actor!).to be_nil
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end
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end
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context 'when signature is tampered' do
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let(:raw_signature) do
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{
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'creator' => 'http://example.com/alice',
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'created' => '2017-09-23T20:21:34Z',
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}
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end
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let(:signature) { raw_signature.merge('type' => 'RsaSignature2017', 'signatureValue' => 's69F3mfddd99dGjmvjdjjs81e12jn121Gkm1') }
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it 'returns nil' do
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expect(subject.verify_actor!).to be_nil
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end
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end
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end
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describe '#sign!' do
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subject { described_class.new(raw_json).sign!(sender) }
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it 'returns a hash' do
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expect(subject).to be_a Hash
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end
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it 'contains signature' do
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expect(subject['signature']).to be_a Hash
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expect(subject['signature']['signatureValue']).to be_present
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end
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it 'can be verified again' do
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expect(described_class.new(subject).verify_actor!).to eq sender
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end
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end
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def sign(from_actor, options, document)
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options_hash = Digest::SHA256.hexdigest(canonicalize(options.merge('@context' => ActivityPub::LinkedDataSignature::CONTEXT)))
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document_hash = Digest::SHA256.hexdigest(canonicalize(document))
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to_be_verified = options_hash + document_hash
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Base64.strict_encode64(from_actor.keypair.sign(OpenSSL::Digest.new('SHA256'), to_be_verified))
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end
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end
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