7 files changed, 35 insertions, 2 deletions
diff --git a/app/controllers/activitypub/outboxes_controller.rb b/app/controllers/activitypub/outboxes_controller.rb
index 9f97ff622..a431e3557 100644
--- a/app/controllers/activitypub/outboxes_controller.rb
+++ b/app/controllers/activitypub/outboxes_controller.rb
@@ -1,10 +1,12 @@
 # frozen_string_literal: true
 
 class ActivityPub::OutboxesController < Api::BaseController
+  include SignatureVerification
+
   before_action :set_account
 
   def show
-    @statuses = @account.statuses.permitted_for(@account, current_account).paginate_by_max_id(20, params[:max_id], params[:since_id])
+    @statuses = @account.statuses.permitted_for(@account, signed_request_account).paginate_by_max_id(20, params[:max_id], params[:since_id])
     @statuses = cache_collection(@statuses, Status)
 
     render json: outbox_presenter, serializer: ActivityPub::CollectionSerializer, adapter: ActivityPub::Adapter, content_type: 'application/activity+json'
diff --git a/app/controllers/application_controller.rb b/app/controllers/application_controller.rb
index 276c6b012..7534b5375 100644
--- a/app/controllers/application_controller.rb
+++ b/app/controllers/application_controller.rb
@@ -15,6 +15,7 @@ class ApplicationController < ActionController::Base
   helper_method :current_flavour
   helper_method :current_skin
   helper_method :single_user_mode?
+  helper_method :use_pam?
 
   rescue_from ActionController::RoutingError, with: :not_found
   rescue_from ActiveRecord::RecordNotFound, with: :not_found
@@ -145,6 +146,10 @@ class ApplicationController < ActionController::Base
     @single_user_mode ||= Rails.configuration.x.single_user_mode && Account.exists?
   end
 
+  def use_pam?
+    Devise.pam_authentication
+  end
+
   def current_account
     @current_account ||= current_user.try(:account)
   end
diff --git a/app/controllers/auth/registrations_controller.rb b/app/controllers/auth/registrations_controller.rb
index 2b6a1bdbc..9b3ea4f27 100644
--- a/app/controllers/auth/registrations_controller.rb
+++ b/app/controllers/auth/registrations_controller.rb
@@ -15,6 +15,11 @@ class Auth::RegistrationsController < Devise::RegistrationsController
 
   protected
 
+  def update_resource(resource, params)
+    params[:password] = nil if Devise.pam_authentication && resource.encrypted_password.blank?
+    super
+  end
+
   def build_resource(hash = nil)
     super(hash)
 
diff --git a/app/controllers/auth/sessions_controller.rb b/app/controllers/auth/sessions_controller.rb
index f45d77b88..ce9cf98d7 100644
--- a/app/controllers/auth/sessions_controller.rb
+++ b/app/controllers/auth/sessions_controller.rb
@@ -29,7 +29,11 @@ class Auth::SessionsController < Devise::SessionsController
     if session[:otp_user_id]
       User.find(session[:otp_user_id])
     elsif user_params[:email]
-      User.find_for_authentication(email: user_params[:email])
+      if use_pam? && Devise.check_at_sign && user_params[:email].index('@').nil?
+        User.joins(:account).find_by(accounts: { username: user_params[:email] })
+      else
+        User.find_for_authentication(email: user_params[:email])
+      end
     end
   end
 
diff --git a/app/controllers/concerns/signature_authentication.rb b/app/controllers/concerns/signature_authentication.rb
new file mode 100644
index 000000000..beec93223
--- /dev/null
+++ b/app/controllers/concerns/signature_authentication.rb
@@ -0,0 +1,11 @@
+# frozen_string_literal: true
+
+module SignatureAuthentication
+  extend ActiveSupport::Concern
+
+  include SignatureVerification
+
+  def current_account
+    super || signed_request_account
+  end
+end
diff --git a/app/controllers/statuses_controller.rb b/app/controllers/statuses_controller.rb
index d67fac0e5..61ffb97d9 100644
--- a/app/controllers/statuses_controller.rb
+++ b/app/controllers/statuses_controller.rb
@@ -1,6 +1,7 @@
 # frozen_string_literal: true
 
 class StatusesController < ApplicationController
+  include SignatureAuthentication
   include Authorization
 
   layout 'public'
diff --git a/app/controllers/stream_entries_controller.rb b/app/controllers/stream_entries_controller.rb
index b597ba4bb..e2ea45c83 100644
--- a/app/controllers/stream_entries_controller.rb
+++ b/app/controllers/stream_entries_controller.rb
@@ -10,6 +10,7 @@ class StreamEntriesController < ApplicationController
   before_action :set_stream_entry
   before_action :set_link_headers
   before_action :check_account_suspension
+  before_action :set_cache_headers
 
   def show
     respond_to do |format|
@@ -20,6 +21,10 @@ class StreamEntriesController < ApplicationController
       end
 
       format.atom do
+        unless @stream_entry.hidden?
+          skip_session!
+          expires_in 3.minutes, public: true
+        end
         render xml: OStatus::AtomSerializer.render(OStatus::AtomSerializer.new.entry(@stream_entry, true))
       end
     end