require 'rails_helper' RSpec.describe ResolveAccountService, type: :service do subject { described_class.new } before do stub_request(:get, 'https://example.com/.well-known/host-meta').to_return(status: 404) stub_request(:get, 'https://quitter.no/avatar/7477-300-20160211190340.png').to_return(request_fixture('avatar.txt')) stub_request(:get, 'https://ap.example.com/.well-known/webfinger?resource=acct:foo@ap.example.com').to_return(request_fixture('activitypub-webfinger.txt')) stub_request(:get, 'https://ap.example.com/users/foo').to_return(request_fixture('activitypub-actor.txt')) stub_request(:get, 'https://ap.example.com/users/foo.atom').to_return(request_fixture('activitypub-feed.txt')) stub_request(:get, %r{https://ap.example.com/users/foo/\w+}).to_return(status: 404) stub_request(:get, 'https://example.com/.well-known/webfinger?resource=acct:hoge@example.com').to_return(status: 410) end context 'using skip_webfinger' do context 'when account is known' do let!(:remote_account) { Fabricate(:account, username: 'foo', domain: 'ap.example.com', protocol: 'activitypub') } context 'when domain is banned' do let!(:domain_block) { Fabricate(:domain_block, domain: 'ap.example.com', severity: :suspend) } it 'does not return an account' do expect(subject.call('foo@ap.example.com', skip_webfinger: true)).to be_nil end it 'does not make a webfinger query' do subject.call('foo@ap.example.com', skip_webfinger: true) expect(a_request(:get, 'https://ap.example.com/.well-known/webfinger?resource=acct:foo@ap.example.com')).to_not have_been_made end end context 'when domain is not banned' do it 'returns the expected account' do expect(subject.call('foo@ap.example.com', skip_webfinger: true)).to eq remote_account end it 'does not make a webfinger query' do subject.call('foo@ap.example.com', skip_webfinger: true) expect(a_request(:get, 'https://ap.example.com/.well-known/webfinger?resource=acct:foo@ap.example.com')).to_not have_been_made end end end context 'when account is not known' do it 'does not return an account' do expect(subject.call('foo@ap.example.com', skip_webfinger: true)).to be_nil end it 'does not make a webfinger query' do subject.call('foo@ap.example.com', skip_webfinger: true) expect(a_request(:get, 'https://ap.example.com/.well-known/webfinger?resource=acct:foo@ap.example.com')).to_not have_been_made end end end context 'when there is an LRDD endpoint but no resolvable account' do before do stub_request(:get, 'https://quitter.no/.well-known/host-meta').to_return(request_fixture('.host-meta.txt')) stub_request(:get, 'https://quitter.no/.well-known/webfinger?resource=acct:catsrgr8@quitter.no').to_return(status: 404) end it 'returns nil' do expect(subject.call('catsrgr8@quitter.no')).to be_nil end end context 'when there is no LRDD endpoint nor resolvable account' do before do stub_request(:get, 'https://example.com/.well-known/webfinger?resource=acct:catsrgr8@example.com').to_return(status: 404) end it 'returns nil' do expect(subject.call('catsrgr8@example.com')).to be_nil end end context 'when webfinger returns http gone' do context 'for a previously known account' do before do Fabricate(:account, username: 'hoge', domain: 'example.com', last_webfingered_at: nil) allow(AccountDeletionWorker).to receive(:perform_async) end it 'returns nil' do expect(subject.call('hoge@example.com')).to be_nil end it 'queues account deletion worker' do subject.call('hoge@example.com') expect(AccountDeletionWorker).to have_received(:perform_async) end end context 'for a previously unknown account' do it 'returns nil' do expect(subject.call('hoge@example.com')).to be_nil end end end context 'with a legitimate webfinger redirection' do before do webfinger = { subject: 'acct:foo@ap.example.com', links: [{ rel: 'self', href: 'https://ap.example.com/users/foo', type: 'application/activity+json' }] } stub_request(:get, 'https://redirected.example.com/.well-known/webfinger?resource=acct:Foo@redirected.example.com').to_return(body: Oj.dump(webfinger), headers: { 'Content-Type': 'application/jrd+json' }) end it 'returns new remote account' do account = subject.call('Foo@redirected.example.com') expect(account.activitypub?).to be true expect(account.acct).to eq 'foo@ap.example.com' expect(account.inbox_url).to eq 'https://ap.example.com/users/foo/inbox' end end context 'with a misconfigured redirection' do before do webfinger = { subject: 'acct:Foo@redirected.example.com', links: [{ rel: 'self', href: 'https://ap.example.com/users/foo', type: 'application/activity+json' }] } stub_request(:get, 'https://redirected.example.com/.well-known/webfinger?resource=acct:Foo@redirected.example.com').to_return(body: Oj.dump(webfinger), headers: { 'Content-Type': 'application/jrd+json' }) end it 'returns new remote account' do account = subject.call('Foo@redirected.example.com') expect(account.activitypub?).to be true expect(account.acct).to eq 'foo@ap.example.com' expect(account.inbox_url).to eq 'https://ap.example.com/users/foo/inbox' end end context 'with too many webfinger redirections' do before do webfinger = { subject: 'acct:foo@evil.example.com', links: [{ rel: 'self', href: 'https://ap.example.com/users/foo', type: 'application/activity+json' }] } stub_request(:get, 'https://redirected.example.com/.well-known/webfinger?resource=acct:Foo@redirected.example.com').to_return(body: Oj.dump(webfinger), headers: { 'Content-Type': 'application/jrd+json' }) webfinger2 = { subject: 'acct:foo@ap.example.com', links: [{ rel: 'self', href: 'https://ap.example.com/users/foo', type: 'application/activity+json' }] } stub_request(:get, 'https://evil.example.com/.well-known/webfinger?resource=acct:foo@evil.example.com').to_return(body: Oj.dump(webfinger2), headers: { 'Content-Type': 'application/jrd+json' }) end it 'does not return a new remote account' do expect(subject.call('Foo@redirected.example.com')).to be_nil end end context 'with an ActivityPub account' do it 'returns new remote account' do account = subject.call('foo@ap.example.com') expect(account.activitypub?).to be true expect(account.domain).to eq 'ap.example.com' expect(account.inbox_url).to eq 'https://ap.example.com/users/foo/inbox' end context 'with multiple types' do before do stub_request(:get, 'https://ap.example.com/users/foo').to_return(request_fixture('activitypub-actor-individual.txt')) end it 'returns new remote account' do account = subject.call('foo@ap.example.com') expect(account.activitypub?).to be true expect(account.domain).to eq 'ap.example.com' expect(account.inbox_url).to eq 'https://ap.example.com/users/foo/inbox' expect(account.actor_type).to eq 'Person' end end end context 'with an already-known actor changing acct: URI' do let!(:duplicate) { Fabricate(:account, username: 'foo', domain: 'old.example.com', uri: 'https://ap.example.com/users/foo') } let!(:status) { Fabricate(:status, account: duplicate, text: 'foo') } it 'returns new remote account' do account = subject.call('foo@ap.example.com') expect(account.activitypub?).to be true expect(account.domain).to eq 'ap.example.com' expect(account.inbox_url).to eq 'https://ap.example.com/users/foo/inbox' expect(account.uri).to eq 'https://ap.example.com/users/foo' end it 'merges accounts' do account = subject.call('foo@ap.example.com') expect(status.reload.account_id).to eq account.id expect(Account.where(uri: account.uri).count).to eq 1 end end context 'with an already-known acct: URI changing ActivityPub id' do let!(:old_account) { Fabricate(:account, username: 'foo', domain: 'ap.example.com', uri: 'https://old.example.com/users/foo', last_webfingered_at: nil) } let!(:status) { Fabricate(:status, account: old_account, text: 'foo') } it 'returns new remote account' do account = subject.call('foo@ap.example.com') expect(account.activitypub?).to be true expect(account.domain).to eq 'ap.example.com' expect(account.inbox_url).to eq 'https://ap.example.com/users/foo/inbox' expect(account.uri).to eq 'https://ap.example.com/users/foo' end end it 'processes one remote account at a time using locks' do wait_for_start = true fail_occurred = false return_values = Concurrent::Array.new # Preload classes that throw circular dependency errors in threads Account TagManager DomainBlock threads = Array.new(5) do Thread.new do true while wait_for_start begin return_values << described_class.new.call('foo@ap.example.com') rescue ActiveRecord::RecordNotUnique fail_occurred = true ensure RedisConfiguration.pool.checkin if Thread.current[:redis] end end end wait_for_start = false threads.each(&:join) expect(fail_occurred).to be false expect(return_values).to_not include(nil) end end