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authorEugen Rochko <eugen@zeonfederated.com>2017-04-27 17:06:47 +0200
committerGitHub <noreply@github.com>2017-04-27 17:06:47 +0200
commit2af4f3c4e22ab9a28a7fca49bee0ee2ed6256f27 (patch)
tree073f68695a0da1ee7dcf2f909a449b60286ad3f4 /spec
parentb8e7eee8372f927a5a3b51e95db3707d34c4ac4b (diff)
Improve shared status verification (#2525)
* Instead of parsing shared status contents verbatim, make roundtrip
to purported original URL. Confirm that the "original" URL is from the
same domain as the author it claims to be from.

* Fix obvious typo, add comment

* Use URI look-up first

* Add test, update Goldfinger dependency to make less useless HTTP requests per Webfinger lookup
Diffstat (limited to 'spec')
-rw-r--r--spec/services/follow_remote_account_service_spec.rb1
-rw-r--r--spec/services/process_feed_service_spec.rb138
2 files changed, 103 insertions, 36 deletions
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)
-  end
+    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'))
 
-  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
+      subject.call(body, account)
+    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 '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 '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 '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 '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 '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
+    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 'creates posts with media' do
-    status = Status.find_by(uri: 'tag:kickass.zone,2016-10-10:objectId=14:objectType=Status')
+  it 'does not accept tampered reblogs' do
+    good_actor = Fabricate(:account, username: 'tracer', domain: 'overwatch.com')
+
+    real_body = <<XML
+<?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:overwatch.com,2017-04-27:objectId=4467137: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://overwatch.com/users/tracer</id>
+    <activity:object-type>http://activitystrea.ms/schema/1.0/person</activity:object-type>
+    <uri>https://overwatch.com/users/tracer</uri>
+    <name>tracer</name>
+  </author>
+  <content type="html">Overwatch rocks</content>
+</entry>
+XML
+
+    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)
+
+    bad_actor = Fabricate(:account, username: 'sombra', domain: 'talon.xyz')
+
+    body = <<XML
+<?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:talon.xyz,2017-04-27:objectId=4467137:objectType=Status</id>
+  <published>2017-04-27T13:49:25Z</published>
+  <updated>2017-04-27T13:49:25Z</updated>
+  <author>
+    <id>https://talon.xyz/users/sombra</id>
+    <activity:object-type>http://activitystrea.ms/schema/1.0/person</activity:object-type>
+    <uri>https://talon.xyz/users/sombra</uri>
+    <name>sombra</name>
+  </author>
+  <activity:object-type>http://activitystrea.ms/schema/1.0/activity</activity:object-type>
+  <activity:verb>http://activitystrea.ms/schema/1.0/share</activity:verb>
+  <content type="html">Overwatch SUCKS AHAHA</content>
+  <activity:object>
+    <id>tag:overwatch.com,2017-04-27:objectId=4467137:objectType=Status</id>
+    <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://overwatch.com/users/tracer</id>
+      <activity:object-type>http://activitystrea.ms/schema/1.0/person</activity:object-type>
+      <uri>https://overwatch.com/users/tracer</uri>
+      <name>tracer</name>
+    </author>
+    <content type="html">Overwatch SUCKS AHAHA</content>
+    <link rel="alternate" type="text/html" href="https://overwatch.com/users/tracer/updates/1" />
+  </activity:object>
+</entry>
+XML
+    created_statuses = subject.call(body, bad_actor)
 
-    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