Merge remote-tracking branch 'origin/master' into merge-upstream

 Conflicts:
	app/controllers/auth/confirmations_controller.rb

9 files changed, 95 insertions, 15 deletions

diff --git a/app/controllers/admin/custom_emojis_controller.rb b/app/controllers/admin/custom_emojis_controller.rb
index ccab03de4..d61bafdf0 100644
--- a/app/controllers/admin/custom_emojis_controller.rb
+++ b/app/controllers/admin/custom_emojis_controller.rb
@@ -3,6 +3,7 @@
 module Admin
   class CustomEmojisController < BaseController
     before_action :set_custom_emoji, except: [:index, :new, :create]
+    before_action :set_filter_params
 
     def index
       authorize :custom_emoji, :index?
@@ -32,23 +33,26 @@ module Admin
 
       if @custom_emoji.update(resource_params)
         log_action :update, @custom_emoji
-        redirect_to admin_custom_emojis_path, notice: I18n.t('admin.custom_emojis.updated_msg')
+        flash[:notice] = I18n.t('admin.custom_emojis.updated_msg')
       else
-        redirect_to admin_custom_emojis_path, notice: I18n.t('admin.custom_emojis.update_failed_msg')
+        flash[:alert] =  I18n.t('admin.custom_emojis.update_failed_msg')
       end
+      redirect_to admin_custom_emojis_path(page: params[:page], **@filter_params)
     end
 
     def destroy
       authorize @custom_emoji, :destroy?
       @custom_emoji.destroy!
       log_action :destroy, @custom_emoji
-      redirect_to admin_custom_emojis_path, notice: I18n.t('admin.custom_emojis.destroyed_msg')
+      flash[:notice] = I18n.t('admin.custom_emojis.destroyed_msg')
+      redirect_to admin_custom_emojis_path(page: params[:page], **@filter_params)
     end
 
     def copy
       authorize @custom_emoji, :copy?
 
-      emoji = CustomEmoji.find_or_initialize_by(domain: nil, shortcode: @custom_emoji.shortcode)
+      emoji = CustomEmoji.find_or_initialize_by(domain: nil,
+                                                shortcode: @custom_emoji.shortcode)
       emoji.image = @custom_emoji.image
 
       if emoji.save
@@ -58,21 +62,23 @@ module Admin
         flash[:alert] = I18n.t('admin.custom_emojis.copy_failed_msg')
       end
 
-      redirect_to admin_custom_emojis_path(page: params[:page])
+      redirect_to admin_custom_emojis_path(page: params[:page], **@filter_params)
     end
 
     def enable
       authorize @custom_emoji, :enable?
       @custom_emoji.update!(disabled: false)
       log_action :enable, @custom_emoji
-      redirect_to admin_custom_emojis_path, notice: I18n.t('admin.custom_emojis.enabled_msg')
+      flash[:notice] = I18n.t('admin.custom_emojis.enabled_msg')
+      redirect_to admin_custom_emojis_path(page: params[:page], **@filter_params)
     end
 
     def disable
       authorize @custom_emoji, :disable?
       @custom_emoji.update!(disabled: true)
       log_action :disable, @custom_emoji
-      redirect_to admin_custom_emojis_path, notice: I18n.t('admin.custom_emojis.disabled_msg')
+      flash[:notice] = I18n.t('admin.custom_emojis.disabled_msg')
+      redirect_to admin_custom_emojis_path(page: params[:page], **@filter_params)
     end
 
     private
@@ -81,6 +87,10 @@ module Admin
       @custom_emoji = CustomEmoji.find(params[:id])
     end
 
+    def set_filter_params
+      @filter_params = filter_params.to_hash.symbolize_keys
+    end
+
     def resource_params
       params.require(:custom_emoji).permit(:shortcode, :image, :visible_in_picker)
     end
diff --git a/app/controllers/admin/settings_controller.rb b/app/controllers/admin/settings_controller.rb
index eed5fb6b5..487282dc3 100644
--- a/app/controllers/admin/settings_controller.rb
+++ b/app/controllers/admin/settings_controller.rb
@@ -17,6 +17,8 @@ module Admin
       bootstrap_timeline_accounts
       thumbnail
       min_invite_role
+      activity_api_enabled
+      peers_api_enabled
     ).freeze
 
     BOOLEAN_SETTINGS = %w(
@@ -24,6 +26,8 @@ module Admin
       open_deletion
       timeline_preview
       show_staff_badge
+      activity_api_enabled
+      peers_api_enabled
     ).freeze
 
     UPLOAD_SETTINGS = %w(
diff --git a/app/controllers/api/v1/instances/activity_controller.rb b/app/controllers/api/v1/instances/activity_controller.rb
new file mode 100644
index 000000000..36f52c38d
--- /dev/null
+++ b/app/controllers/api/v1/instances/activity_controller.rb
@@ -0,0 +1,36 @@
+# frozen_string_literal: true
+
+class Api::V1::Instances::ActivityController < Api::BaseController
+  before_action :require_enabled_api!
+
+  respond_to :json
+
+  def show
+    render_cached_json('api:v1:instances:activity:show', expires_in: 1.day) { activity }
+  end
+
+  private
+
+  def activity
+    weeks = []
+
+    12.times do |i|
+      day     = i.weeks.ago.to_date
+      week_id = day.cweek
+      week    = Date.commercial(day.cwyear, week_id)
+
+      weeks << {
+        week: week.to_time.to_i.to_s,
+        statuses: Redis.current.get("activity:statuses:local:#{week_id}") || 0,
+        logins: Redis.current.pfcount("activity:logins:#{week_id}"),
+        registrations: Redis.current.get("activity:accounts:local:#{week_id}") || 0,
+      }
+    end
+
+    weeks
+  end
+
+  def require_enabled_api!
+    head 404 unless Setting.activity_api_enabled
+  end
+end
diff --git a/app/controllers/api/v1/instances/peers_controller.rb b/app/controllers/api/v1/instances/peers_controller.rb
new file mode 100644
index 000000000..2070c487d
--- /dev/null
+++ b/app/controllers/api/v1/instances/peers_controller.rb
@@ -0,0 +1,17 @@
+# frozen_string_literal: true
+
+class Api::V1::Instances::PeersController < Api::BaseController
+  before_action :require_enabled_api!
+
+  respond_to :json
+
+  def index
+    render_cached_json('api:v1:instances:peers:index', expires_in: 1.day) { Account.remote.domains }
+  end
+
+  private
+
+  def require_enabled_api!
+    head 404 unless Setting.peers_api_enabled
+  end
+end
diff --git a/app/controllers/application_controller.rb b/app/controllers/application_controller.rb
index 3b2070f39..46367f202 100644
--- a/app/controllers/application_controller.rb
+++ b/app/controllers/application_controller.rb
@@ -196,4 +196,13 @@ class ApplicationController < ActionController::Base
       end
     end
   end
+
+  def render_cached_json(cache_key, **options)
+    data = Rails.cache.fetch(cache_key, { raw: true }.merge(options)) do
+      yield.to_json
+    end
+
+    expires_in options[:expires_in], public: true
+    render json: data
+  end
 end
diff --git a/app/controllers/auth/confirmations_controller.rb b/app/controllers/auth/confirmations_controller.rb
index 5ffa1c9a3..72b8e9dd8 100644
--- a/app/controllers/auth/confirmations_controller.rb
+++ b/app/controllers/auth/confirmations_controller.rb
@@ -2,14 +2,9 @@
 
 class Auth::ConfirmationsController < Devise::ConfirmationsController
   layout 'auth'
+
   before_action :set_pack
 
-  def show
-    super do |user|
-      BootstrapTimelineWorker.perform_async(user.account_id) if user.errors.empty?
-    end
-  end
-  
   private
 
   def set_pack
diff --git a/app/controllers/concerns/user_tracking_concern.rb b/app/controllers/concerns/user_tracking_concern.rb
index 8663c3086..1e3132941 100644
--- a/app/controllers/concerns/user_tracking_concern.rb
+++ b/app/controllers/concerns/user_tracking_concern.rb
@@ -17,6 +17,7 @@ module UserTrackingConcern
 
     # Mark as signed-in today
     current_user.update_tracked_fields!(request)
+    ActivityTracker.record('activity:logins', current_user.id)
 
     # Regenerate feed if needed
     regenerate_feed! if user_needs_feed_update?
diff --git a/app/controllers/well_known/host_meta_controller.rb b/app/controllers/well_known/host_meta_controller.rb
index 40f96eaa2..5fb70288a 100644
--- a/app/controllers/well_known/host_meta_controller.rb
+++ b/app/controllers/well_known/host_meta_controller.rb
@@ -1,15 +1,19 @@
 # frozen_string_literal: true
 
 module WellKnown
-  class HostMetaController < ApplicationController
+  class HostMetaController < ActionController::Base
     include RoutingHelper
 
+    before_action { response.headers['Vary'] = 'Accept' }
+
     def show
       @webfinger_template = "#{webfinger_url}?resource={uri}"
 
       respond_to do |format|
         format.xml { render content_type: 'application/xrd+xml' }
       end
+
+      expires_in(3.days, public: true)
     end
   end
 end
diff --git a/app/controllers/well_known/webfinger_controller.rb b/app/controllers/well_known/webfinger_controller.rb
index 5cc606808..28654b61d 100644
--- a/app/controllers/well_known/webfinger_controller.rb
+++ b/app/controllers/well_known/webfinger_controller.rb
@@ -1,9 +1,11 @@
 # frozen_string_literal: true
 
 module WellKnown
-  class WebfingerController < ApplicationController
+  class WebfingerController < ActionController::Base
     include RoutingHelper
 
+    before_action { response.headers['Vary'] = 'Accept' }
+
     def show
       @account = Account.find_local!(username_from_resource)
 
@@ -16,6 +18,8 @@ module WellKnown
           render content_type: 'application/xrd+xml'
         end
       end
+
+      expires_in(3.days, public: true)
     rescue ActiveRecord::RecordNotFound
       head 404
     end