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-rw-r--r--lib/mastodon/version.rb4
-rw-r--r--lib/paperclip/transcoder.rb6
-rw-r--r--lib/sanitize_ext/sanitize_config.rb83
-rw-r--r--lib/tasks/assets.rake16
-rw-r--r--lib/tasks/glitchsoc.rake8
5 files changed, 95 insertions, 22 deletions
diff --git a/lib/mastodon/version.rb b/lib/mastodon/version.rb
index 6a797fccf..b98095fa3 100644
--- a/lib/mastodon/version.rb
+++ b/lib/mastodon/version.rb
@@ -21,7 +21,7 @@ module Mastodon
     end
 
     def suffix
-      ''
+      '+glitch'
     end
 
     def to_a
@@ -33,7 +33,7 @@ module Mastodon
     end
 
     def repository
-      ENV.fetch('GITHUB_REPOSITORY', 'mastodon/mastodon')
+      ENV.fetch('GITHUB_REPOSITORY', 'glitch-soc/mastodon')
     end
 
     def source_base_url
diff --git a/lib/paperclip/transcoder.rb b/lib/paperclip/transcoder.rb
index afd9f58ff..b3b55f82f 100644
--- a/lib/paperclip/transcoder.rb
+++ b/lib/paperclip/transcoder.rb
@@ -40,8 +40,10 @@ module Paperclip
         @output_options['f']       = 'image2'
         @output_options['vframes'] = 1
       when 'mp4'
-        @output_options['acodec'] = 'aac'
-        @output_options['strict'] = 'experimental'
+        unless eligible_to_passthrough?(metadata)
+          @output_options['acodec'] = 'aac'
+          @output_options['strict'] = 'experimental'
+        end
 
         if high_vfr?(metadata) && !eligible_to_passthrough?(metadata)
           @output_options['vsync'] = 'vfr'
diff --git a/lib/sanitize_ext/sanitize_config.rb b/lib/sanitize_ext/sanitize_config.rb
index 9cc500c36..dfc586561 100644
--- a/lib/sanitize_ext/sanitize_config.rb
+++ b/lib/sanitize_ext/sanitize_config.rb
@@ -36,6 +36,25 @@ class Sanitize
       node['class'] = class_list.join(' ')
     end
 
+    IMG_TAG_TRANSFORMER = lambda do |env|
+      node = env[:node]
+
+      return unless env[:node_name] == 'img'
+
+      node.name = 'a'
+
+      node['href'] = node['src']
+      if node['alt'].present?
+        node.content = "[🖼  #{node['alt']}]"
+      else
+        url = node['href']
+        prefix = url.match(/\Ahttps?:\/\/(www\.)?/).to_s
+        text   = url[prefix.length, 30]
+        text   = text + "…" if url[prefix.length..-1].length > 30
+        node.content = "[🖼  #{text}]"
+      end
+    end
+
     UNSUPPORTED_HREF_TRANSFORMER = lambda do |env|
       return unless env[:node_name] == 'a'
 
@@ -50,21 +69,13 @@ class Sanitize
       current_node.replace(Nokogiri::XML::Text.new(current_node.text, current_node.document)) unless LINK_PROTOCOLS.include?(scheme)
     end
 
-    UNSUPPORTED_ELEMENTS_TRANSFORMER = lambda do |env|
-      return unless %w(h1 h2 h3 h4 h5 h6).include?(env[:node_name])
-
-      current_node = env[:node]
-
-      current_node.name = 'strong'
-      current_node.wrap('<p></p>')
-    end
-
     MASTODON_STRICT ||= freeze_config(
-      elements: %w(p br span a del pre blockquote code b strong u i em ul ol li),
+      elements: %w(p br span a abbr del pre blockquote code b strong u sub sup i em h1 h2 h3 h4 h5 ul ol li),
 
       attributes: {
-        'a' => %w(href rel class),
+        'a' => %w(href rel class title),
         'span' => %w(class),
+        'blockquote' => %w(cite),
         'ol' => %w(start reversed),
         'li' => %w(value),
       },
@@ -76,11 +87,14 @@ class Sanitize
         },
       },
 
-      protocols: {},
+      protocols: {
+        'a'          => { 'href' => LINK_PROTOCOLS },
+        'blockquote' => { 'cite' => LINK_PROTOCOLS },
+      },
 
       transformers: [
         CLASS_WHITELIST_TRANSFORMER,
-        UNSUPPORTED_ELEMENTS_TRANSFORMER,
+        IMG_TAG_TRANSFORMER,
         UNSUPPORTED_HREF_TRANSFORMER,
       ]
     )
@@ -106,5 +120,48 @@ class Sanitize
         'source' => { 'src' => HTTP_PROTOCOLS }
       )
     )
+
+    LINK_REL_TRANSFORMER = lambda do |env|
+      return unless env[:node_name] == 'a' && env[:node]['href']
+
+      node = env[:node]
+
+      rel = (node['rel'] || '').split(' ') & ['tag']
+      rel += ['nofollow', 'noopener', 'noreferrer'] unless TagManager.instance.local_url?(node['href'])
+
+      if rel.empty?
+        node.remove_attribute('rel')
+      else
+        node['rel'] = rel.join(' ')
+      end
+    end
+
+    LINK_TARGET_TRANSFORMER = lambda do |env|
+      return unless env[:node_name] == 'a' && env[:node]['href']
+
+      node = env[:node]
+      if node['target'] != '_blank' && TagManager.instance.local_url?(node['href'])
+        node.remove_attribute('target')
+      else
+        node['target'] = '_blank'
+      end
+    end
+
+    MASTODON_OUTGOING ||= freeze_config MASTODON_STRICT.merge(
+      attributes: merge(
+        MASTODON_STRICT[:attributes],
+        'a' => %w(href rel class title target)
+      ),
+
+      add_attributes: {},
+
+      transformers: [
+        CLASS_WHITELIST_TRANSFORMER,
+        IMG_TAG_TRANSFORMER,
+        UNSUPPORTED_HREF_TRANSFORMER,
+        LINK_REL_TRANSFORMER,
+        LINK_TARGET_TRANSFORMER,
+      ]
+    )
   end
 end
diff --git a/lib/tasks/assets.rake b/lib/tasks/assets.rake
index 1d2270572..e1102af33 100644
--- a/lib/tasks/assets.rake
+++ b/lib/tasks/assets.rake
@@ -1,13 +1,19 @@
 # frozen_string_literal: true
 
-def render_static_page(action, dest:, **opts)
-  html = ApplicationController.render(action, opts)
-  File.write(dest, html)
-end
-
 namespace :assets do
   desc 'Generate static pages'
   task generate_static_pages: :environment do
+    class StaticApplicationController < ApplicationController
+      def current_user
+        nil
+      end
+    end
+
+    def render_static_page(action, dest:, **opts)
+      html = StaticApplicationController.render(action, opts)
+      File.write(dest, html)
+    end
+
     render_static_page 'errors/500', layout: 'error', dest: Rails.public_path.join('assets', '500.html')
   end
 end
diff --git a/lib/tasks/glitchsoc.rake b/lib/tasks/glitchsoc.rake
new file mode 100644
index 000000000..79e864648
--- /dev/null
+++ b/lib/tasks/glitchsoc.rake
@@ -0,0 +1,8 @@
+namespace :glitchsoc do
+  desc 'Backfill local-only flag on statuses table'
+  task backfill_local_only: :environment do
+    Status.local.where(local_only: nil).find_each do |st|
+      ActiveRecord::Base.logger.silence { st.update_attribute(:local_only, st.marked_local_only?) }
+    end
+  end
+end