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

Conflicts:
- app/models/media_attachment.rb
  Upstream added audio attachment support
- app/serializers/initial_state_serializer.rb
  Upstream added audio attachment support and how mimetypes are returned
- app/serializers/rest/instance_serializer.rb
  Upstream added a few fields
- config/application.rb
  Upstream added a different paperclip transcoder

lib/mastodon/version.rb

@@ -13,7 +13,7 @@ module Mastodon
     end
 
     def patch
-      0
+      2
     end
 
     def pre

lib/paperclip/audio_transcoder.rb

@@ -1,23 +0,0 @@
-# frozen_string_literal: true
-
-module Paperclip
-  class AudioTranscoder < Paperclip::Processor
-    def make
-      max_aud_len = (ENV['MAX_AUDIO_LENGTH'] || 60.0).to_f
-
-      meta = ::Av.cli.identify(@file.path)
-      # {:length=>"0:00:02.14", :duration=>2.14, :audio_encode=>"mp3", :audio_bitrate=>"44100 Hz", :audio_channels=>"mono"}
-      if meta[:duration] > max_aud_len
-        raise Mastodon::ValidationError, "Audio uploads must be less than #{max_aud_len} seconds in length."
-      end
-      
-      final_file = Paperclip::Transcoder.make(file, options, attachment)
-      
-      attachment.instance.file_file_name    = 'media.mp4'
-      attachment.instance.file_content_type = 'video/mp4'
-      attachment.instance.type              = MediaAttachment.types[:video]
-
-      final_file
-    end
-  end
-end

lib/paperclip/type_corrector.rb

@@ -0,0 +1,19 @@
+# frozen_string_literal: true
+
+require 'mime/types/columnar'
+
+module Paperclip
+  class TypeCorrector < Paperclip::Processor
+    def make
+      target_extension = options[:format]
+      extension        = File.extname(attachment.instance.file_file_name)
+
+      return @file unless options[:style] == :original && target_extension && extension != target_extension
+
+      attachment.instance.file_content_type = options[:content_type] || attachment.instance.file_content_type
+      attachment.instance.file_file_name    = File.basename(attachment.instance.file_file_name, '.*') + '.' + target_extension
+
+      @file
+    end
+  end
+end