Merge branch 'master' into glitch-soc/merge-upstream

Conflicts:
- `app/controllers/application_controller.rb`:
  Conflict due to theming system.
- `app/controllers/oauth/authorizations_controller.rb`:
  Conflict due to theming system.

spec/models/account_spec.rb

@@ -823,4 +823,5 @@ RSpec.describe Account, type: :model do
   end
 
   include_examples 'AccountAvatar', :account
+  include_examples 'AccountHeader', :account
 end

spec/models/media_attachment_spec.rb

@@ -133,6 +133,24 @@ RSpec.describe MediaAttachment, type: :model do
       expect(media.file.meta["small"]["height"]).to eq 327
       expect(media.file.meta["small"]["aspect"]).to eq 490.0 / 327
     end
+
+    it 'gives the file a random name' do
+      expect(media.file_file_name).to_not eq 'attachment.jpg'
+    end
+  end
+
+  describe 'base64-encoded jpeg' do
+    let(:base64_attachment) { "data:image/jpeg;base64,#{Base64.encode64(attachment_fixture('attachment.jpg').read)}" }
+    let(:media) { MediaAttachment.create(account: Fabricate(:account), file: base64_attachment) }
+
+    it 'saves media attachment' do
+      expect(media.persisted?).to be true
+      expect(media.file).to_not be_nil
+    end
+
+    it 'gives the file a file name' do
+      expect(media.file_file_name).to_not be_blank
+    end
   end
 
   describe 'descriptions for remote attachments' do