X-Git-Url: https://git.openstreetmap.org/rails.git/blobdiff_plain/4bb95b37735fac25467af21418cc0a973497219c..ef7f3d800cbdd49b692df10d312e5fd880e2e938:/lib/rich_text.rb

diff --git a/lib/rich_text.rb b/lib/rich_text.rb
index 7d8010af1..503ecedbd 100644
--- a/lib/rich_text.rb
+++ b/lib/rich_text.rb
@@ -1,15 +1,16 @@
 module RichText
   def self.new(format, text)
     case format
-    when "html"; HTML.new(text || "")
-    when "markdown"; Markdown.new(text || "")
-    when "text"; Text.new(text || "")
+    when "html" then HTML.new(text || "")
+    when "markdown" then Markdown.new(text || "")
+    when "text" then Text.new(text || "")
     else; nil
     end
   end
 
   class SimpleFormat
     include ActionView::Helpers::TextHelper
+    include ActionView::Helpers::OutputSafetyHelper
 
     def sanitize(text)
       Sanitize.clean(text, Sanitize::Config::OSM).html_safe
@@ -36,10 +37,10 @@ module RichText
         link_proportion = 0
       end
 
-      return [link_proportion - 0.2, 0.0].max * 200 + link_count * 40
+      [link_proportion - 0.2, 0.0].max * 200 + link_count * 40
     end
 
-  protected
+    protected
 
     def simple_format(text)
       SimpleFormat.new.simple_format(text)
@@ -60,10 +61,10 @@ module RichText
     end
 
     def to_text
-      self.to_s
+      to_s
     end
 
-  private
+    private
 
     def sanitize(text)
       Sanitize.clean(text, Sanitize::Config::OSM).html_safe
@@ -76,18 +77,28 @@ module RichText
     end
 
     def to_text
-      self.to_s
+      to_s
     end
 
-  private
+    private
 
     def html_parser
-      @@html_renderer ||= Redcarpet::Render::XHTML.new({
-        :filter_html => true, :safe_links_only => true, :link_attributes => { :rel => "nofollow" }
-      })
-      @@html_parser ||= Redcarpet::Markdown.new(@@html_renderer, {
-        :no_intra_emphasis => true, :autolink => true, :space_after_headers => true
-      })
+      @@html_renderer ||= Renderer.new(:filter_html => true, :safe_links_only => true)
+      @@html_parser ||= Redcarpet::Markdown.new(@@html_renderer,         :no_intra_emphasis => true, :autolink => true, :space_after_headers => true)
+    end
+
+    class Renderer < Redcarpet::Render::XHTML
+      def link(link, _title, alt_text)
+        "<a rel=\"nofollow\" href=\"#{link}\">#{alt_text}</a>"
+      end
+
+      def autolink(link, link_type)
+        if link_type == :email
+          "<a rel=\"nofollow\" href=\"mailto:#{link}\">#{link}</a>"
+        else
+          "<a rel=\"nofollow\" href=\"#{link}\">#{link}</a>"
+        end
+      end
     end
   end
 
@@ -97,7 +108,7 @@ module RichText
     end
 
     def to_text
-      self.to_s
+      to_s
     end
   end
 end