82 lines
2.3 KiB
Ruby
82 lines
2.3 KiB
Ruby
require 'rails_helper'
|
|
|
|
RSpec.describe ActivityPub::LinkedDataSignature do
|
|
include JsonLdHelper
|
|
|
|
let!(:sender) { Fabricate(:account, uri: 'http://example.com/alice') }
|
|
|
|
let(:raw_json) do
|
|
{
|
|
'@context' => 'https://www.w3.org/ns/activitystreams',
|
|
'id' => 'http://example.com/hello-world',
|
|
}
|
|
end
|
|
|
|
let(:json) { raw_json.merge('signature' => signature) }
|
|
|
|
subject { described_class.new(json) }
|
|
|
|
describe '#verify_account!' do
|
|
context 'when signature matches' do
|
|
let(:raw_signature) do
|
|
{
|
|
'creator' => 'http://example.com/alice',
|
|
'created' => '2017-09-23T20:21:34Z',
|
|
}
|
|
end
|
|
|
|
let(:signature) { raw_signature.merge('type' => 'RsaSignature2017', 'signatureValue' => sign(sender, raw_signature, raw_json)) }
|
|
|
|
it 'returns creator' do
|
|
expect(subject.verify_account!).to eq sender
|
|
end
|
|
end
|
|
|
|
context 'when signature is missing' do
|
|
let(:signature) { nil }
|
|
|
|
it 'returns nil' do
|
|
expect(subject.verify_account!).to be_nil
|
|
end
|
|
end
|
|
|
|
context 'when signature is tampered' do
|
|
let(:raw_signature) do
|
|
{
|
|
'creator' => 'http://example.com/alice',
|
|
'created' => '2017-09-23T20:21:34Z',
|
|
}
|
|
end
|
|
|
|
let(:signature) { raw_signature.merge('type' => 'RsaSignature2017', 'signatureValue' => 's69F3mfddd99dGjmvjdjjs81e12jn121Gkm1') }
|
|
|
|
it 'returns nil' do
|
|
expect(subject.verify_account!).to be_nil
|
|
end
|
|
end
|
|
end
|
|
|
|
describe '#sign!' do
|
|
subject { described_class.new(raw_json).sign!(sender) }
|
|
|
|
it 'returns a hash' do
|
|
expect(subject).to be_a Hash
|
|
end
|
|
|
|
it 'contains signature' do
|
|
expect(subject['signature']).to be_a Hash
|
|
expect(subject['signature']['signatureValue']).to be_present
|
|
end
|
|
|
|
it 'can be verified again' do
|
|
expect(described_class.new(subject).verify_account!).to eq sender
|
|
end
|
|
end
|
|
|
|
def sign(from_account, options, document)
|
|
options_hash = Digest::SHA256.hexdigest(canonicalize(options.merge('@context' => ActivityPub::LinkedDataSignature::CONTEXT)))
|
|
document_hash = Digest::SHA256.hexdigest(canonicalize(document))
|
|
to_be_verified = options_hash + document_hash
|
|
Base64.strict_encode64(from_account.keypair.sign(OpenSSL::Digest::SHA256.new, to_be_verified))
|
|
end
|
|
end
|