1 files changed, 9 insertions, 5 deletions
diff --git a/app/lib/atom_serializer.rb b/app/lib/atom_serializer.rb
index 180b9bb82..5aeb7b4f9 100644
--- a/app/lib/atom_serializer.rb
+++ b/app/lib/atom_serializer.rb
@@ -7,7 +7,7 @@ class AtomSerializer
     def render(element)
       document = Ox::Document.new(version: '1.0')
       document << element
-      ('<?xml version="1.0"?>' + Ox.dump(element)).force_encoding('UTF-8')
+      ('<?xml version="1.0"?>' + Ox.dump(element, effort: :tolerant)).force_encoding('UTF-8')
     end
   end
 
@@ -311,11 +311,15 @@ class AtomSerializer
 
   def append_element(parent, name, content = nil, attributes = {})
     element = Ox::Element.new(name)
-    attributes.each { |k, v| element[k] = v.to_s }
-    element << content.to_s unless content.nil?
+    attributes.each { |k, v| element[k] = sanitize_str(v) }
+    element << sanitize_str(content) unless content.nil?
     parent  << element
   end
 
+  def sanitize_str(raw_str)
+    raw_str.to_s
+  end
+
   def add_namespaces(parent)
     parent['xmlns']          = TagManager::XMLNS
     parent['xmlns:thr']      = TagManager::THR_XMLNS
@@ -327,8 +331,8 @@ class AtomSerializer
   end
 
   def serialize_status_attributes(entry, status)
-    append_element(entry, 'summary', status.spoiler_text) if status.spoiler_text?
-    append_element(entry, 'content', Formatter.instance.format(status.proper).to_str, type: 'html')
+    append_element(entry, 'summary', status.spoiler_text, 'xml:lang': status.language) if status.spoiler_text?
+    append_element(entry, 'content', Formatter.instance.format(status.proper).to_str, type: 'html', 'xml:lang': status.language)
 
     status.mentions.each do |mentioned|
       append_element(entry, 'link', nil, rel: :mentioned, 'ostatus:object-type': TagManager::TYPES[:person], href: TagManager.instance.uri_for(mentioned.account))