diff --git a/Gemfile.lock b/Gemfile.lock index fc8d28104..a41187a92 100644 --- a/Gemfile.lock +++ b/Gemfile.lock @@ -165,7 +165,7 @@ GEM ruby-progressbar (~> 1.4) globalid (0.3.7) activesupport (>= 4.1.0) - goldfinger (1.1.2) + goldfinger (1.2.0) addressable (~> 2.4) http (~> 2.0) nokogiri (~> 1.6) @@ -459,7 +459,7 @@ GEM execjs (>= 0.3.0, < 3) unf (0.1.4) unf_ext - unf_ext (0.0.7.3) + unf_ext (0.0.7.4) unicode-display_width (1.1.3) uniform_notifier (1.10.0) warden (1.2.7) diff --git a/app/services/fetch_remote_status_service.rb b/app/services/fetch_remote_status_service.rb index c666961ad..5a454808e 100644 --- a/app/services/fetch_remote_status_service.rb +++ b/app/services/fetch_remote_status_service.rb @@ -39,9 +39,19 @@ class FetchRemoteStatusService < BaseService Rails.logger.debug "Going to webfinger #{username}@#{domain}" - return FollowRemoteAccountService.new.call("#{username}@#{domain}") + account = FollowRemoteAccountService.new.call("#{username}@#{domain}") + + # If the author's confirmed URLs do not match the domain of the URL + # we are reading this from, abort + return nil unless confirmed_domain?(domain, account) + + account rescue Nokogiri::XML::XPath::SyntaxError Rails.logger.debug 'Invalid XML or missing namespace' nil end + + def confirmed_domain?(domain, account) + domain.casecmp(account.domain).zero? || domain.casecmp(Addressable::URI.parse(account.remote_url).normalize.host).zero? + end end diff --git a/app/services/process_feed_service.rb b/app/services/process_feed_service.rb index d002b9130..799a9f6e3 100644 --- a/app/services/process_feed_service.rb +++ b/app/services/process_feed_service.rb @@ -47,8 +47,8 @@ class ProcessFeedService < BaseService return status unless just_created if verb == :share - original_status, = status_from_xml(@xml.at_xpath('.//activity:object', activity: TagManager::AS_XMLNS)) - status.reblog = original_status + original_status = shared_status_from_xml(@xml.at_xpath('.//activity:object', activity: TagManager::AS_XMLNS)) + status.reblog = original_status if original_status.nil? status.destroy @@ -90,6 +90,14 @@ class ProcessFeedService < BaseService !([:post, :share, :delete].include?(verb) && [:activity, :note, :comment].include?(type)) end + def shared_status_from_xml(entry) + status = find_status(id(entry)) + + return status unless status.nil? + + FetchRemoteStatusService.new.call(url(entry)) + end + def status_from_xml(entry) # Return early if status already exists in db status = find_status(id(entry)) diff --git a/spec/services/follow_remote_account_service_spec.rb b/spec/services/follow_remote_account_service_spec.rb index a8d4a7c6b..66e9eb6c9 100644 --- a/spec/services/follow_remote_account_service_spec.rb +++ b/spec/services/follow_remote_account_service_spec.rb @@ -5,6 +5,7 @@ RSpec.describe FollowRemoteAccountService do before do stub_request(:get, "https://quitter.no/.well-known/host-meta").to_return(request_fixture('.host-meta.txt')) + stub_request(:get, "https://example.com/.well-known/webfinger?resource=acct:catsrgr8@example.com").to_return(status: 404) stub_request(:get, "https://example.com/.well-known/host-meta").to_return(status: 404) stub_request(:get, "https://quitter.no/.well-known/webfinger?resource=acct:gargron@quitter.no").to_return(request_fixture('webfinger.txt')) stub_request(:get, "https://quitter.no/.well-known/webfinger?resource=acct:catsrgr8@quitter.no").to_return(status: 404) diff --git a/spec/services/process_feed_service_spec.rb b/spec/services/process_feed_service_spec.rb index b15284fee..7f2b4ce1d 100644 --- a/spec/services/process_feed_service_spec.rb +++ b/spec/services/process_feed_service_spec.rb @@ -1,52 +1,118 @@ require 'rails_helper' RSpec.describe ProcessFeedService do - let(:body) { File.read(File.join(Rails.root, 'spec', 'fixtures', 'xml', 'mastodon.atom')) } - let(:account) { Fabricate(:account, username: 'localhost', domain: 'kickass.zone') } - subject { ProcessFeedService.new } - before do - stub_request(:post, "https://pubsubhubbub.superfeedr.com/").to_return(:status => 200, :body => "", :headers => {}) - stub_request(:get, "http://kickass.zone/system/accounts/avatars/000/000/001/large/eris.png").to_return(request_fixture('avatar.txt')) - stub_request(:get, "http://kickass.zone/system/media_attachments/files/000/000/002/original/morpheus_linux.jpg?1476059910").to_return(request_fixture('attachment1.txt')) - stub_request(:get, "http://kickass.zone/system/media_attachments/files/000/000/003/original/gizmo.jpg?1476060065").to_return(request_fixture('attachment2.txt')) + describe 'processing a feed' do + let(:body) { File.read(File.join(Rails.root, 'spec', 'fixtures', 'xml', 'mastodon.atom')) } + let(:account) { Fabricate(:account, username: 'localhost', domain: 'kickass.zone') } - subject.call(body, account) + before do + stub_request(:post, "https://pubsubhubbub.superfeedr.com/").to_return(:status => 200, :body => "", :headers => {}) + stub_request(:get, "http://kickass.zone/system/accounts/avatars/000/000/001/large/eris.png").to_return(request_fixture('avatar.txt')) + stub_request(:get, "http://kickass.zone/system/media_attachments/files/000/000/002/original/morpheus_linux.jpg?1476059910").to_return(request_fixture('attachment1.txt')) + stub_request(:get, "http://kickass.zone/system/media_attachments/files/000/000/003/original/gizmo.jpg?1476060065").to_return(request_fixture('attachment2.txt')) + + subject.call(body, account) + end + + it 'updates remote user\'s account information' do + account.reload + expect(account.display_name).to eq '::1' + expect(account).to have_attached_file(:avatar) + end + + it 'creates posts' do + expect(Status.find_by(uri: 'tag:kickass.zone,2016-10-10:objectId=1:objectType=Status')).to_not be_nil + expect(Status.find_by(uri: 'tag:kickass.zone,2016-10-10:objectId=2:objectType=Status')).to_not be_nil + end + + it 'ignores delete statuses unless they existed before' do + expect(Status.find_by(uri: 'tag:kickass.zone,2016-10-10:objectId=3:objectType=Status')).to be_nil + expect(Status.find_by(uri: 'tag:kickass.zone,2016-10-10:objectId=12:objectType=Status')).to be_nil + end + + it 'does not create statuses for follows' do + expect(Status.find_by(uri: 'tag:kickass.zone,2016-10-10:objectId=1:objectType=Follow')).to be_nil + expect(Status.find_by(uri: 'tag:kickass.zone,2016-10-10:objectId=2:objectType=Follow')).to be_nil + expect(Status.find_by(uri: 'tag:kickass.zone,2016-10-10:objectId=4:objectType=Follow')).to be_nil + expect(Status.find_by(uri: 'tag:kickass.zone,2016-10-10:objectId=7:objectType=Follow')).to be_nil + end + + it 'does not create statuses for favourites' do + expect(Status.find_by(uri: 'tag:kickass.zone,2016-10-10:objectId=2:objectType=Favourite')).to be_nil + expect(Status.find_by(uri: 'tag:kickass.zone,2016-10-10:objectId=3:objectType=Favourite')).to be_nil + end + + it 'creates posts with media' do + status = Status.find_by(uri: 'tag:kickass.zone,2016-10-10:objectId=14:objectType=Status') + + expect(status).to_not be_nil + expect(status.media_attachments.first).to have_attached_file(:file) + end end - it 'updates remote user\'s account information' do - account.reload - expect(account.display_name).to eq '::1' - expect(account).to have_attached_file(:avatar) - end + it 'does not accept tampered reblogs' do + good_actor = Fabricate(:account, username: 'tracer', domain: 'overwatch.com') - it 'creates posts' do - expect(Status.find_by(uri: 'tag:kickass.zone,2016-10-10:objectId=1:objectType=Status')).to_not be_nil - expect(Status.find_by(uri: 'tag:kickass.zone,2016-10-10:objectId=2:objectType=Status')).to_not be_nil - end + real_body = < + + tag:overwatch.com,2017-04-27:objectId=4467137:objectType=Status + 2017-04-27T13:49:25Z + 2017-04-27T13:49:25Z + http://activitystrea.ms/schema/1.0/note + http://activitystrea.ms/schema/1.0/post + + https://overwatch.com/users/tracer + http://activitystrea.ms/schema/1.0/person + https://overwatch.com/users/tracer + tracer + + Overwatch rocks + +XML - it 'ignores delete statuses unless they existed before' do - expect(Status.find_by(uri: 'tag:kickass.zone,2016-10-10:objectId=3:objectType=Status')).to be_nil - expect(Status.find_by(uri: 'tag:kickass.zone,2016-10-10:objectId=12:objectType=Status')).to be_nil - end + stub_request(:head, 'https://overwatch.com/users/tracer/updates/1').to_return(status: 200, headers: { 'Content-Type' => 'application/atom+xml' }) + stub_request(:get, 'https://overwatch.com/users/tracer/updates/1').to_return(status: 200, body: real_body) - it 'does not create statuses for follows' do - expect(Status.find_by(uri: 'tag:kickass.zone,2016-10-10:objectId=1:objectType=Follow')).to be_nil - expect(Status.find_by(uri: 'tag:kickass.zone,2016-10-10:objectId=2:objectType=Follow')).to be_nil - expect(Status.find_by(uri: 'tag:kickass.zone,2016-10-10:objectId=4:objectType=Follow')).to be_nil - expect(Status.find_by(uri: 'tag:kickass.zone,2016-10-10:objectId=7:objectType=Follow')).to be_nil - end + bad_actor = Fabricate(:account, username: 'sombra', domain: 'talon.xyz') - it 'does not create statuses for favourites' do - expect(Status.find_by(uri: 'tag:kickass.zone,2016-10-10:objectId=2:objectType=Favourite')).to be_nil - expect(Status.find_by(uri: 'tag:kickass.zone,2016-10-10:objectId=3:objectType=Favourite')).to be_nil - end + body = < + + tag:talon.xyz,2017-04-27:objectId=4467137:objectType=Status + 2017-04-27T13:49:25Z + 2017-04-27T13:49:25Z + + https://talon.xyz/users/sombra + http://activitystrea.ms/schema/1.0/person + https://talon.xyz/users/sombra + sombra + + http://activitystrea.ms/schema/1.0/activity + http://activitystrea.ms/schema/1.0/share + Overwatch SUCKS AHAHA + + tag:overwatch.com,2017-04-27:objectId=4467137:objectType=Status + http://activitystrea.ms/schema/1.0/note + http://activitystrea.ms/schema/1.0/post + + https://overwatch.com/users/tracer + http://activitystrea.ms/schema/1.0/person + https://overwatch.com/users/tracer + tracer + + Overwatch SUCKS AHAHA + + + +XML + created_statuses = subject.call(body, bad_actor) - it 'creates posts with media' do - status = Status.find_by(uri: 'tag:kickass.zone,2016-10-10:objectId=14:objectType=Status') - - expect(status).to_not be_nil - expect(status.media_attachments.first).to have_attached_file(:file) + expect(created_statuses.first.reblog?).to be true + expect(created_statuses.first.account_id).to eq bad_actor.id + expect(created_statuses.first.reblog.account_id).to eq good_actor.id + expect(created_statuses.first.reblog.text).to eq 'Overwatch rocks' end end