Merge branch 'master' of https://github.com/tootsuite/mastodon

# Conflicts:
#	app/controllers/settings/exports_controller.rb
#	app/models/media_attachment.rb
#	app/models/status.rb
#	app/views/about/show.html.haml
#	docker_entrypoint.sh
#	spec/views/about/show.html.haml_spec.rb

app/lib/activitypub/activity/create.rb

@@ -116,7 +116,7 @@ class ActivityPub::Activity::Create < ActivityPub::Activity
       next if unsupported_media_type?(attachment['mediaType']) || attachment['url'].blank?
 
       href             = Addressable::URI.parse(attachment['url']).normalize.to_s
-      media_attachment = MediaAttachment.create(account: @account, remote_url: href, description: attachment['name'].presence)
+      media_attachment = MediaAttachment.create(account: @account, remote_url: href, description: attachment['name'].presence, focus: attachment['focalPoint'])
       media_attachments << media_attachment
 
       next if skip_download?

app/lib/activitypub/adapter.rb

@@ -17,6 +17,7 @@ class ActivityPub::Adapter < ActiveModelSerializers::Adapter::Base
         'conversation'              => 'ostatus:conversation',
         'toot'                      => 'http://joinmastodon.org/ns#',
         'Emoji'                     => 'toot:Emoji',
+        'focalPoint'                => { '@container' => '@list', '@id' => 'toot:focalPoint' },
       },
     ],
   }.freeze

app/lib/fast_geometry_parser.rb

@@ -0,0 +1,11 @@
+# frozen_string_literal: true
+
+class FastGeometryParser
+  def self.from_file(file)
+    width, height = FastImage.size(file.path)
+
+    raise Paperclip::Errors::NotIdentifiedByImageMagickError if width.nil?
+
+    Paperclip::Geometry.new(width, height)
+  end
+end