Revert #5772 (#6221)

app/controllers/activitypub/follows_controller.rb

@@ -1,22 +0,0 @@
-# frozen_string_literal: true
-
-class ActivityPub::FollowsController < Api::BaseController
-  include SignatureVerification
-
-  def show
-    render json: follow_request,
-           serializer: ActivityPub::FollowSerializer,
-           adapter: ActivityPub::Adapter,
-           content_type: 'application/activity+json'
-  end
-
-  private
-
-  def follow_request
-    FollowRequest.includes(:account).references(:account).find_by!(
-      id: params.require(:id),
-      accounts: { domain: nil, username: params.require(:account_username) },
-      target_account: signed_request_account
-    )
-  end
-end

app/lib/activitypub/activity/accept.rb

@@ -2,18 +2,16 @@
 
 class ActivityPub::Activity::Accept < ActivityPub::Activity
   def perform
-    if @object.respond_to?(:[]) &&
+    case @object['type']
-       @object['type'] == 'Follow' && @object['actor'].present?
+    when 'Follow'
-      accept_follow_from @object['actor']
+      accept_follow
-    else
-      accept_follow_object @object
     end
   end
 
   private
 
-  def accept_follow_from(actor)
+  def accept_follow
-    target_account = account_from_uri(value_or_id(actor))
+    target_account = account_from_uri(target_uri)
 
     return if target_account.nil? || !target_account.local?
 
@@ -21,8 +19,7 @@ class ActivityPub::Activity::Accept < ActivityPub::Activity
     follow_request&.authorize!
   end
 
-  def accept_follow_object(object)
+  def target_uri
-    follow_request = ActivityPub::TagManager.instance.uri_to_resource(value_or_id(object), FollowRequest)
+    @target_uri ||= value_or_id(@object['actor'])
-    follow_request&.authorize!
   end
 end

app/lib/activitypub/tag_manager.rb

@@ -28,8 +28,6 @@ class ActivityPub::TagManager
     return target.uri if target.respond_to?(:local?) && !target.local?
 
     case target.object_type
-    when :follow
-      account_follow_url(target.account.username, target)
     when :person
       account_url(target)
     when :note, :comment, :activity
@@ -99,12 +97,6 @@ class ActivityPub::TagManager
       case klass.name
       when 'Account'
         klass.find_local(uri_to_local_id(uri, :username))
-      when 'FollowRequest'
-        params = Rails.application.routes.recognize_path(uri)
-        klass.joins(:account).find_by!(
-          accounts: { domain: nil, username: params[:account_username] },
-          id: params[:id]
-        )
       else
         StatusFinder.new(uri).status
       end

app/models/follow_request.rb

@@ -21,10 +21,6 @@ class FollowRequest < ApplicationRecord
 
   validates :account_id, uniqueness: { scope: :target_account_id }
 
-  def object_type
-    :follow
-  end
-
   def authorize!
     account.follow!(target_account, reblogs: show_reblogs)
     MergeWorker.perform_async(target_account.id, account.id)

app/serializers/activitypub/follow_serializer.rb

@@ -1,12 +1,11 @@
 # frozen_string_literal: true
 
 class ActivityPub::FollowSerializer < ActiveModel::Serializer
-  attributes :type, :actor
+  attributes :id, :type, :actor
-  attribute :id, if: :dereferencable?
   attribute :virtual_object, key: :object
 
   def id
-    ActivityPub::TagManager.instance.uri_for(object)
+    [ActivityPub::TagManager.instance.uri_for(object.account), '#follows/', object.id].join
   end
 
   def type
@@ -20,8 +19,4 @@ class ActivityPub::FollowSerializer < ActiveModel::Serializer
   def virtual_object
     ActivityPub::TagManager.instance.uri_for(object.target_account)
   end
-
-  def dereferencable?
-    object.respond_to?(:object_type)
-  end
 end

app/views/accounts/_header.html.haml

@@ -8,7 +8,7 @@
               = fa_icon 'user-times'
               = t('accounts.unfollow')
           - else
-            = link_to account_follows_path(account), data: { method: :post }, class: 'icon-button' do
+            = link_to account_follow_path(account), data: { method: :post }, class: 'icon-button' do
               = fa_icon 'user-plus'
               = t('accounts.follow')
       - elsif !user_signed_in?

config/routes.rb

@@ -54,8 +54,7 @@ Rails.application.routes.draw do
 
     resources :followers, only: [:index], controller: :follower_accounts
     resources :following, only: [:index], controller: :following_accounts
-    resources :follows, only: [:show], module: :activitypub
+    resource :follow, only: [:create], controller: :account_follow
-    resource :follow, only: [:create], controller: :account_follow, as: :follows
     resource :unfollow, only: [:create], controller: :account_unfollow
     resource :outbox, only: [:show], module: :activitypub
     resource :inbox, only: [:create], module: :activitypub

spec/controllers/activitypub/follows_controller_spec.rb

@@ -1,43 +0,0 @@
-# frozen_string_literal: true
-
-require 'rails_helper'
-
-describe ActivityPub::FollowsController, type: :controller do
-  let(:follow_request) { Fabricate(:follow_request, account: account) }
-
-  render_views
-
-  context 'with local account' do
-    let(:account) { Fabricate(:account, domain: nil) }
-
-    it 'returns follow request' do
-      signed_request = Request.new(:get, account_follow_url(account, follow_request))
-      signed_request.on_behalf_of(follow_request.target_account)
-      request.headers.merge! signed_request.headers
-
-      get :show, params: { id: follow_request, account_username: account.username }
-
-      expect(body_as_json[:id]).to eq ActivityPub::TagManager.instance.uri_for(follow_request)
-      expect(response).to have_http_status :success
-    end
-
-    it 'returns http 404 without signature' do
-      get :show, params: { id: follow_request, account_username: account.username }
-      expect(response).to have_http_status 404
-    end
-  end
-
-  context 'with remote account' do
-    let(:account) { Fabricate(:account, domain: Faker::Internet.domain_name) }
-
-    it 'returns http 404' do
-      signed_request = Request.new(:get, account_follow_url(account, follow_request))
-      signed_request.on_behalf_of(follow_request.target_account)
-      request.headers.merge! signed_request.headers
-
-      get :show, params: { id: follow_request, account_username: account.username }
-
-      expect(response).to have_http_status 404
-    end
-  end
-end

spec/lib/activitypub/activity/accept_spec.rb

@@ -3,49 +3,36 @@ require 'rails_helper'
 RSpec.describe ActivityPub::Activity::Accept do
   let(:sender)    { Fabricate(:account) }
   let(:recipient) { Fabricate(:account) }
-  let!(:follow_request) { Fabricate(:follow_request, account: recipient, target_account: sender) }
+
+  let(:json) do
+    {
+      '@context': 'https://www.w3.org/ns/activitystreams',
+      id: 'foo',
+      type: 'Accept',
+      actor: ActivityPub::TagManager.instance.uri_for(sender),
+      object: {
+        id: 'bar',
+        type: 'Follow',
+        actor: ActivityPub::TagManager.instance.uri_for(recipient),
+        object: ActivityPub::TagManager.instance.uri_for(sender),
+      },
+    }.with_indifferent_access
+  end
 
   describe '#perform' do
     subject { described_class.new(json, sender) }
 
     before do
+      Fabricate(:follow_request, account: recipient, target_account: sender)
       subject.perform
     end
 
-    context 'with concerete object representation' do
+    it 'creates a follow relationship' do
-      let(:json) do
+      expect(recipient.following?(sender)).to be true
-        {
-          '@context': 'https://www.w3.org/ns/activitystreams',
-          id: 'foo',
-          type: 'Accept',
-          actor: ActivityPub::TagManager.instance.uri_for(sender),
-          object: {
-            type: 'Follow',
-            actor: ActivityPub::TagManager.instance.uri_for(recipient),
-            object: ActivityPub::TagManager.instance.uri_for(sender),
-          },
-        }.with_indifferent_access
-      end
-
-      it 'creates a follow relationship' do
-        expect(recipient.following?(sender)).to be true
-      end
     end
 
-    context 'with object represented by id' do
+    it 'removes the follow request' do
-      let(:json) do
+      expect(recipient.requested?(sender)).to be false
-        {
-          '@context': 'https://www.w3.org/ns/activitystreams',
-          id: 'foo',
-          type: 'Accept',
-          actor: ActivityPub::TagManager.instance.uri_for(sender),
-          object: ActivityPub::TagManager.instance.uri_for(follow_request),
-        }.with_indifferent_access
-      end
-
-      it 'creates a follow relationship' do
-        expect(recipient.following?(sender)).to be true
-      end
     end
   end
 end

spec/models/follow_request_spec.rb

@@ -27,12 +27,4 @@ RSpec.describe FollowRequest, type: :model do
       expect(follow_request.account.muting_reblogs?(target)).to be true
     end
   end
-
-  describe '#object_type' do
-    let(:follow_request) { Fabricate(:follow_request) }
-
-    it 'equals to :follow' do
-      expect(follow_request.object_type).to eq :follow
-    end
-  end
 end