Support Actors/Statuses with multiple types (#7305)

* Add equals_or_includes_any? helper in JsonLdHelper

* Support arrays in JSON-LD type fields for actors/tags/objects.

* Spec for resolving accounts with extension types

* Style tweaks for codeclimate

app/helpers/jsonld_helper.rb

@@ -5,6 +5,10 @@ module JsonLdHelper
     haystack.is_a?(Array) ? haystack.include?(needle) : haystack == needle
   end
 
+  def equals_or_includes_any?(haystack, needles)
+    needles.any? { |needle| equals_or_includes?(haystack, needle) }
+  end
+
   def first_of_value(value)
     value.is_a?(Array) ? value.first : value
   end

app/lib/activitypub/activity/create.rb

@@ -61,12 +61,11 @@ class ActivityPub::Activity::Create < ActivityPub::Activity
     return if @object['tag'].nil?
 
     as_array(@object['tag']).each do |tag|
-      case tag['type']
-      when 'Hashtag'
+      if equals_or_includes?(tag['type'], 'Hashtag')
         process_hashtag tag, status
-      when 'Mention'
+      elsif equals_or_includes?(tag['type'], 'Mention')
         process_mention tag, status
-      when 'Emoji'
+      elsif equals_or_includes?(tag['type'], 'Emoji')
         process_emoji tag, status
       end
     end
@@ -235,11 +234,11 @@ class ActivityPub::Activity::Create < ActivityPub::Activity
   end
 
   def supported_object_type?
-    SUPPORTED_TYPES.include?(@object['type'])
+    equals_or_includes_any?(@object['type'], SUPPORTED_TYPES)
   end
 
   def converted_object_type?
-    CONVERTED_TYPES.include?(@object['type'])
+    equals_or_includes_any?(@object['type'], CONVERTED_TYPES)
   end
 
   def skip_download?

app/lib/activitypub/activity/update.rb

@@ -2,10 +2,7 @@
 
 class ActivityPub::Activity::Update < ActivityPub::Activity
   def perform
-    case @object['type']
-    when 'Person'
-      update_account
-    end
+    update_account if equals_or_includes?(@object['type'], 'Person')
   end
 
   private

app/services/activitypub/fetch_remote_account_service.rb

@@ -56,6 +56,6 @@ class ActivityPub::FetchRemoteAccountService < BaseService
   end
 
   def expected_type?
-    SUPPORTED_TYPES.include?(@json['type'])
+    equals_or_includes_any?(@json['type'], SUPPORTED_TYPES)
   end
 end

app/services/activitypub/fetch_remote_key_service.rb

@@ -43,7 +43,7 @@ class ActivityPub::FetchRemoteKeyService < BaseService
   end
 
   def person?
-    ActivityPub::FetchRemoteAccountService::SUPPORTED_TYPES.include?(@json['type'])
+    equals_or_includes_any?(@json['type'], ActivityPub::FetchRemoteAccountService::SUPPORTED_TYPES)
   end
 
   def public_key?
@@ -55,6 +55,6 @@ class ActivityPub::FetchRemoteKeyService < BaseService
   end
 
   def confirmed_owner?
-    ActivityPub::FetchRemoteAccountService::SUPPORTED_TYPES.include?(@owner['type']) && value_or_id(@owner['publicKey']) == @json['id']
+    equals_or_includes_any?(@owner['type'], ActivityPub::FetchRemoteAccountService::SUPPORTED_TYPES) && value_or_id(@owner['publicKey']) == @json['id']
   end
 end

app/services/activitypub/fetch_remote_status_service.rb

@@ -42,7 +42,7 @@ class ActivityPub::FetchRemoteStatusService < BaseService
   end
 
   def expected_type?
-    (ActivityPub::Activity::Create::SUPPORTED_TYPES + ActivityPub::Activity::Create::CONVERTED_TYPES).include? @json['type']
+    equals_or_includes_any?(@json['type'], ActivityPub::Activity::Create::SUPPORTED_TYPES + ActivityPub::Activity::Create::CONVERTED_TYPES)
   end
 
   def needs_update(actor)

app/services/activitypub/process_account_service.rb

@@ -201,10 +201,7 @@ class ActivityPub::ProcessAccountService < BaseService
     return if @json['tag'].blank?
 
     as_array(@json['tag']).each do |tag|
-      case tag['type']
-      when 'Emoji'
-        process_emoji tag
-      end
+      process_emoji tag if equals_or_includes?(tag['type'], 'Emoji')
     end
   end
 

app/services/fetch_atom_service.rb

@@ -42,7 +42,7 @@ class FetchAtomService < BaseService
     elsif ['application/activity+json', 'application/ld+json; profile="https://www.w3.org/ns/activitystreams"'].include?(response.mime_type)
       body = response.body_with_limit
       json = body_to_json(body)
-      if supported_context?(json) && ActivityPub::FetchRemoteAccountService::SUPPORTED_TYPES.include?(json['type']) && json['inbox'].present?
+      if supported_context?(json) && equals_or_includes_any?(json['type'], ActivityPub::FetchRemoteAccountService::SUPPORTED_TYPES) && json['inbox'].present?
         [json['id'], { prefetched_body: body, id: true }, :activitypub]
       elsif supported_context?(json) && expected_type?(json)
         [json['id'], { prefetched_body: body, id: true }, :activitypub]
@@ -62,7 +62,7 @@ class FetchAtomService < BaseService
   end
 
   def expected_type?(json)
-    (ActivityPub::Activity::Create::SUPPORTED_TYPES + ActivityPub::Activity::Create::CONVERTED_TYPES).include? json['type']
+    equals_or_includes_any?(json['type'], ActivityPub::Activity::Create::SUPPORTED_TYPES + ActivityPub::Activity::Create::CONVERTED_TYPES)
   end
 
   def process_html(response)

app/services/resolve_account_service.rb

@@ -189,7 +189,7 @@ class ResolveAccountService < BaseService
     return @actor_json if defined?(@actor_json)
 
     json        = fetch_resource(actor_url, false)
-    @actor_json = supported_context?(json) && ActivityPub::FetchRemoteAccountService::SUPPORTED_TYPES.include?(json['type']) ? json : nil
+    @actor_json = supported_context?(json) && equals_or_includes_any?(json['type'], ActivityPub::FetchRemoteAccountService::SUPPORTED_TYPES) ? json : nil
   end
 
   def atom

app/services/resolve_url_service.rb

@@ -16,10 +16,9 @@ class ResolveURLService < BaseService
   private
 
   def process_url
-    case type
-    when 'Application', 'Group', 'Organization', 'Person', 'Service'
+    if equals_or_includes_any?(type, %w(Application Group Organization Person Service))
       FetchRemoteAccountService.new.call(atom_url, body, protocol)
-    when 'Note', 'Article', 'Image', 'Video'
+    elsif equals_or_includes_any?(type, %w(Note Article Image Video))
       FetchRemoteStatusService.new.call(atom_url, body, protocol)
     end
   end

spec/fixtures/requests/activitypub-actor-individual.txt

@@ -0,0 +1,9 @@
+HTTP/1.1 200 OK
+Cache-Control: max-age=0, private, must-revalidate
+Content-Type: application/activity+json; charset=utf-8
+Link: <https://ap.example.com/.well-known/webfinger?resource=acct%3Afoo%40ap.example.com>; rel="lrdd"; type="application/xrd+xml", <https://ap.example.com/users/foo.atom>; rel="alternate"; type="application/atom+xml", <https://ap.example.com/users/foo>; rel="alternate"; type="application/activity+json"
+Vary: Accept-Encoding
+X-Content-Type-Options: nosniff
+X-Xss-Protection: 1; mode=block
+
+{"@context":["https://www.w3.org/ns/activitystreams","https://w3id.org/security/v1",{"vcard": "http://www.w3.org/2006/vcard/ns#"},{"manuallyApprovesFollowers":"as:manuallyApprovesFollowers","sensitive":"as:sensitive","Hashtag":"as:Hashtag","ostatus":"http://ostatus.org#","atomUri":"ostatus:atomUri","inReplyToAtomUri":"ostatus:inReplyToAtomUri","conversation":"ostatus:conversation"}],"id":"https://ap.example.com/users/foo","type":["Person","vcard:individual"],"following":"https://ap.example.com/users/foo/following","followers":"https://ap.example.com/users/foo/followers","inbox":"https://ap.example.com/users/foo/inbox","outbox":"https://ap.example.com/users/foo/outbox","preferredUsername":"foo","vcard:fn":"foo","name":"","summary":"\u003cp\u003etest\u003c/p\u003e","url":"https://ap.example.com/@foo","manuallyApprovesFollowers":false,"publicKey":{"id":"https://ap.example.com/users/foo#main-key","owner":"https://ap.example.com/users/foo","publicKeyPem":"-----BEGIN PUBLIC KEY-----\nMIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAu3L4vnpNLzVH31MeWI39\n4F0wKeJFsLDAsNXGeOu0QF2x+h1zLWZw/agqD2R3JPU9/kaDJGPIV2Sn5zLyUA9S\n6swCCMOtn7BBR9g9sucgXJmUFB0tACH2QSgHywMAybGfmSb3LsEMNKsGJ9VsvYoh\n8lDET6X4Pyw+ZJU0/OLo/41q9w+OrGtlsTm/PuPIeXnxa6BLqnDaxC+4IcjG/FiP\nahNCTINl/1F/TgSSDZ4Taf4U9XFEIFw8wmgploELozzIzKq+t8nhQYkgAkt64euW\npva3qL5KD1mTIZQEP+LZvh3s2WHrLi3fhbdRuwQ2c0KkJA2oSTFPDpqqbPGZ3Qvu\nHQIDAQAB\n-----END PUBLIC KEY-----\n"},"endpoints":{"sharedInbox":"https://ap.example.com/inbox"},"icon":{"type":"Image","url":"https://quitter.no/avatar/7477-300-20160211190340.png"}}

spec/services/resolve_account_service_spec.rb

@@ -105,6 +105,20 @@ RSpec.describe ResolveAccountService do
       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 eq true
+        expect(account.domain).to eq 'ap.example.com'
+        expect(account.inbox_url).to eq 'https://ap.example.com/users/foo/inbox'
+      end
+    end
+
     pending
   end