Escape href attribute in auto links (#5179).

git-svn-id: svn+ssh://rubyforge.org/var/svn/redmine/trunk@3612 e93f8b46-1217-0410-a6f0-8f06a7374b81

lib/redcloth3.rb

@@ -825,7 +825,7 @@ class RedCloth3 < String
               post = ")"+post # add closing parenth to post
             end
             atts = pba( atts )
-            atts = " href=\"#{ url }#{ slash }\"#{ atts }"
+            atts = " href=\"#{ htmlesc url }#{ slash }\"#{ atts }"
             atts << " title=\"#{ htmlesc title }\"" if title
             atts = shelve( atts ) if atts
             

lib/redmine/wiki_formatting/textile/formatter.rb

@@ -21,6 +21,7 @@ module Redmine
   module WikiFormatting
     module Textile
       class Formatter < RedCloth3
+        include ActionView::Helpers::TagHelper
         
         # auto_link rule after textile rules so that it doesn't break !image_url! tags
         RULES = [:textile, :block_markdown_rule, :inline_auto_link, :inline_auto_mailto, :inline_toc]
@@ -134,7 +135,8 @@ module Redmine
                 url=url[0..-2] # discard closing parenth from url
                 post = ")"+post # add closing parenth to post
               end
-              %(#{leading}<a class="external" href="#{proto=="www."?"http://www.":proto}#{url}">#{proto + url}</a>#{post})
+              tag = content_tag('a', proto + url, :href => "#{proto=="www."?"http://www.":proto}#{url}", :class => 'external')
+              %(#{leading}#{tag}#{post})
             end
           end
         end
@@ -146,7 +148,7 @@ module Redmine
             if text.match(/<a\b[^>]*>(.*)(#{Regexp.escape(mail)})(.*)<\/a>/)
               mail
             else
-              %{<a href="mailto:#{mail}" class="email">#{mail}</a>}
+              content_tag('a', mail, :href => "mailto:#{mail}", :class => "email")
             end
           end
         end