6 files changed, 60 insertions, 6 deletions
diff --git a/lib/banzai/filter/issue_reference_filter.rb b/lib/banzai/filter/issue_reference_filter.rb
index 09a4d71b5f6..37e66387f2e 100644
--- a/lib/banzai/filter/issue_reference_filter.rb
+++ b/lib/banzai/filter/issue_reference_filter.rb
@@ -28,8 +28,24 @@ module Banzai
       def parent_records(parent, ids)
         parent.issues.where(iid: ids.to_a)
       end
+
+      def object_link_text_extras(issue, matches)
+        super + design_link_extras(issue, matches.named_captures['path'])
+      end
+
+      private
+
+      def design_link_extras(issue, path)
+        if path == '/designs' && read_designs?(issue)
+          ['designs']
+        else
+          []
+        end
+      end
+
+      def read_designs?(issue)
+        Ability.allowed?(current_user, :read_design, issue)
+      end
     end
   end
 end
-
-Banzai::Filter::IssueReferenceFilter.prepend_if_ee('EE::Banzai::Filter::IssueReferenceFilter')
diff --git a/lib/banzai/filter/upload_link_filter.rb b/lib/banzai/filter/upload_link_filter.rb
index 023c1288367..762371e1418 100644
--- a/lib/banzai/filter/upload_link_filter.rb
+++ b/lib/banzai/filter/upload_link_filter.rb
@@ -50,6 +50,10 @@ module Banzai
             Addressable::URI.join(Gitlab.config.gitlab.base_url, path).to_s
           end
 
+        if html_attr.name == 'href'
+          html_attr.parent.set_attribute('data-link', 'true')
+        end
+
         html_attr.parent.add_class('gfm')
       end
 
diff --git a/lib/banzai/filter/user_reference_filter.rb b/lib/banzai/filter/user_reference_filter.rb
index 8cda67867a8..9268ff1a827 100644
--- a/lib/banzai/filter/user_reference_filter.rb
+++ b/lib/banzai/filter/user_reference_filter.rb
@@ -106,7 +106,7 @@ module Banzai
       end
 
       def link_class
-        reference_class(:project_member, tooltip: false)
+        [reference_class(:project_member, tooltip: false), "js-user-link"].join(" ")
       end
 
       def link_to_all(link_content: nil)
diff --git a/lib/banzai/pipeline.rb b/lib/banzai/pipeline.rb
index 8fdbc044861..01cadb11e83 100644
--- a/lib/banzai/pipeline.rb
+++ b/lib/banzai/pipeline.rb
@@ -9,7 +9,7 @@ module Banzai
     # Examples:
     #     Pipeline[nil] # => Banzai::Pipeline::FullPipeline
     #     Pipeline[:label] # => Banzai::Pipeline::LabelPipeline
-    #     Pipeline[StatusPage::PostProcessPipeline] # => StatusPage::PostProcessPipeline
+    #     Pipeline[StatusPage::Pipeline::PostProcessPipeline] # => StatusPage::Pipeline::PostProcessPipeline
     #
     #     Pipeline['label'] # => raises ArgumentError - unsupport type
     #     Pipeline[Project] # => raises ArgumentError - not a subclass of BasePipeline
diff --git a/lib/banzai/reference_parser/design_parser.rb b/lib/banzai/reference_parser/design_parser.rb
new file mode 100644
index 00000000000..04e878756d8
--- /dev/null
+++ b/lib/banzai/reference_parser/design_parser.rb
@@ -0,0 +1,31 @@
+# frozen_string_literal: true
+
+module Banzai
+  module ReferenceParser
+    class DesignParser < BaseParser
+      self.reference_type = :design
+
+      def references_relation
+        DesignManagement::Design
+      end
+
+      def nodes_visible_to_user(user, nodes)
+        issues = issues_for_nodes(nodes)
+        issue_attr = 'data-issue'
+
+        nodes.select do |node|
+          if node.has_attribute?(issue_attr)
+            can?(user, :read_design, issues[node])
+          else
+            true
+          end
+        end
+      end
+
+      def issues_for_nodes(nodes)
+        relation = Issue.includes(project: [:project_feature])
+        grouped_objects_for_nodes(nodes, relation, 'data-issue')
+      end
+    end
+  end
+end
diff --git a/lib/banzai/renderer.rb b/lib/banzai/renderer.rb
index 3cb9ec21e8f..fbbd6135959 100644
--- a/lib/banzai/renderer.rb
+++ b/lib/banzai/renderer.rb
@@ -138,15 +138,18 @@ module Banzai
     #
     # html     - String to process
     # context  - Hash of options to customize output
-    #            :pipeline  - Symbol pipeline type
+    #            :pipeline  - Symbol pipeline type - for context transform only, defaults to :full
     #            :project   - Project
     #            :user      - User object
+    #            :post_process_pipeline - pipeline to use for post_processing - defaults to PostProcessPipeline
     #
     # Returns an HTML-safe String
     def self.post_process(html, context)
       context = Pipeline[context[:pipeline]].transform_context(context)
 
-      pipeline = Pipeline[:post_process]
+      # Use a passed class for the pipeline or default to PostProcessPipeline
+      pipeline = context.delete(:post_process_pipeline) || ::Banzai::Pipeline::PostProcessPipeline
+
       if context[:xhtml]
         pipeline.to_document(html, context).to_html(save_with: Nokogiri::XML::Node::SaveOptions::AS_XHTML)
       else