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Improve federated ID validation (#8372)

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* Fix URI not being sufficiently validated with prefetched JSON

* Add additional id validation to OStatus documents, when possible
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Eugen Rochko 2018-08-22 20:55:14 +02:00 • committed by GitHub
parent ad41806e53
commit 802cf6a4c5
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10 changed files with 122 additions and 9 deletions
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7
spec/services/activitypub/fetch_remote_account_service_spec.rb
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@ -59,7 +59,6 @@ RSpec.describe ActivityPub::FetchRemoteAccountService, type: :service do
it 'returns nil' do
expect(account).to be_nil
end
end
context 'when URI and WebFinger share the same host' do
@ -119,5 +118,11 @@ RSpec.describe ActivityPub::FetchRemoteAccountService, type: :service do
include_examples 'sets profile data'
end
context 'with wrong id' do
it 'does not create account' do
expect(subject.call('https://fake.address/@foo', prefetched_body: Oj.dump(actor))).to be_nil
end
end
end
end

22
spec/services/activitypub/fetch_remote_status_service_spec.rb
View file

@ -70,5 +70,27 @@ RSpec.describe ActivityPub::FetchRemoteStatusService, type: :service do
expect(strip_tags(status.text)).to eq "Nyan Cat 10 hours remix https://#{valid_domain}/watch?v=12345"
end
end
context 'with wrong id' do
let(:note) do
{
'@context': 'https://www.w3.org/ns/activitystreams',
id: "https://real.address/@foo/1234",
type: 'Note',
content: 'Lorem ipsum',
attributedTo: ActivityPub::TagManager.instance.uri_for(sender),
}
end
let(:object) do
temp = note.dup
temp[:id] = 'https://fake.address/@foo/5678'
temp
end
it 'does not create status' do
expect(sender.statuses.first).to be_nil
end
end
end
end

20
spec/services/fetch_remote_account_service_spec.rb
View file

@ -1,7 +1,7 @@
require 'rails_helper'
RSpec.describe FetchRemoteAccountService, type: :service do
let(:url) { 'https://example.com' }
let(:url) { 'https://example.com/alice' }
let(:prefetched_body) { nil }
let(:protocol) { :ostatus }
subject { FetchRemoteAccountService.new.call(url, prefetched_body, protocol) }
@ -46,6 +46,24 @@ RSpec.describe FetchRemoteAccountService, type: :service do
end
include_examples 'return Account'
it 'does not update account information if XML comes from an unverified domain' do
feed_xml = <<-XML.squish
<?xml version="1.0" encoding="UTF-8"?>
<feed xml:lang="en-US" xmlns="http://www.w3.org/2005/Atom" xmlns:thr="http://purl.org/syndication/thread/1.0" xmlns:georss="http://www.georss.org/georss" xmlns:activity="http://activitystrea.ms/spec/1.0/" xmlns:media="http://purl.org/syndication/atommedia" xmlns:poco="http://portablecontacts.net/spec/1.0" xmlns:ostatus="http://ostatus.org/schema/1.0" xmlns:statusnet="http://status.net/schema/api/1/">
<author>
<activity:object-type>http://activitystrea.ms/schema/1.0/person</activity:object-type>
<uri>http://kickass.zone/users/localhost</uri>
<name>localhost</name>
<poco:preferredUsername>localhost</poco:preferredUsername>
<poco:displayName>Villain!!!</poco:displayName>
</author>
</feed>
XML
returned_account = described_class.new.call('https://real-fake-domains.com/alice', feed_xml, :ostatus)
expect(returned_account.display_name).to_not eq 'Villain!!!'
end
end
context 'when prefetched_body is nil' do

52
spec/services/fetch_remote_status_service_spec.rb
View file

@ -32,4 +32,56 @@ RSpec.describe FetchRemoteStatusService, type: :service do
expect(status.text).to eq 'Lorem ipsum'
end
end
context 'protocol is :ostatus' do
subject { described_class.new }
before do
Fabricate(:account, username: 'tracer', domain: 'real.domain', remote_url: 'https://real.domain/users/tracer')
end
it 'does not create status with author at different domain' do
status_body = <<-XML.squish
<?xml version="1.0"?>
<entry xmlns="http://www.w3.org/2005/Atom" xmlns:thr="http://purl.org/syndication/thread/1.0" xmlns:activity="http://activitystrea.ms/spec/1.0/" xmlns:poco="http://portablecontacts.net/spec/1.0" xmlns:media="http://purl.org/syndication/atommedia" xmlns:ostatus="http://ostatus.org/schema/1.0" xmlns:mastodon="http://mastodon.social/schema/1.0">
<id>tag:real.domain,2017-04-27:objectId=4487555:objectType=Status</id>
<published>2017-04-27T13:49:25Z</published>
<updated>2017-04-27T13:49:25Z</updated>
<activity:object-type>http://activitystrea.ms/schema/1.0/note</activity:object-type>
<activity:verb>http://activitystrea.ms/schema/1.0/post</activity:verb>
<author>
<id>https://real.domain/users/tracer</id>
<activity:object-type>http://activitystrea.ms/schema/1.0/person</activity:object-type>
<uri>https://real.domain/users/tracer</uri>
<name>tracer</name>
</author>
<content type="html">Overwatch rocks</content>
</entry>
XML
expect(subject.call('https://fake.domain/foo', status_body, :ostatus)).to be_nil
end
it 'does not create status with wrong id when id uses http format' do
status_body = <<-XML.squish
<?xml version="1.0"?>
<entry xmlns="http://www.w3.org/2005/Atom" xmlns:thr="http://purl.org/syndication/thread/1.0" xmlns:activity="http://activitystrea.ms/spec/1.0/" xmlns:poco="http://portablecontacts.net/spec/1.0" xmlns:media="http://purl.org/syndication/atommedia" xmlns:ostatus="http://ostatus.org/schema/1.0" xmlns:mastodon="http://mastodon.social/schema/1.0">
<id>https://other-real.domain/statuses/123</id>
<published>2017-04-27T13:49:25Z</published>
<updated>2017-04-27T13:49:25Z</updated>
<activity:object-type>http://activitystrea.ms/schema/1.0/note</activity:object-type>
<activity:verb>http://activitystrea.ms/schema/1.0/post</activity:verb>
<author>
<id>https://real.domain/users/tracer</id>
<activity:object-type>http://activitystrea.ms/schema/1.0/person</activity:object-type>
<uri>https://real.domain/users/tracer</uri>
<name>tracer</name>
</author>
<content type="html">Overwatch rocks</content>
</entry>
XML
expect(subject.call('https://real.domain/statuses/456', status_body, :ostatus)).to be_nil
end
end
end