From e0cbfe24a5d1ac9d87c80f1a4a2c379613190411 Mon Sep 17 00:00:00 2001
From: Tom Hughes <tom@compton.nu>
Date: Tue, 27 Oct 2009 00:59:38 +0000
Subject: [PATCH] Escape non-ascii characters in exported HTML. Closes #2075.

---
 app/helpers/application_helper.rb | 8 ++++++++
 app/views/export/start.rjs        | 2 +-
 2 files changed, 9 insertions(+), 1 deletion(-)

diff --git a/app/helpers/application_helper.rb b/app/helpers/application_helper.rb
index bee4f9ce2..ab0ba82a8 100644
--- a/app/helpers/application_helper.rb
+++ b/app/helpers/application_helper.rb
@@ -3,6 +3,14 @@ module ApplicationHelper
     return sanitize(auto_link(simple_format(text), :urls))
   end
 
+  def html_escape_unicode(text)
+    chars = ActiveSupport::Multibyte::Chars.u_unpack(text).map do |c|
+      c < 127 ? c.chr : "&##{c.to_s};"
+    end
+
+    return chars.join("")
+  end
+
   def rss_link_to(*args)
     return link_to(image_tag("RSS.gif", :size => "16x16", :border => 0), Hash[*args], { :class => "rsssmall" });
   end
diff --git a/app/views/export/start.rjs b/app/views/export/start.rjs
index c146e236d..3c6722044 100644
--- a/app/views/export/start.rjs
+++ b/app/views/export/start.rjs
@@ -248,7 +248,7 @@ page << <<EOJ
     
     var layers = getMapLayers();
 
-    html += '<br /><small><a href="http://#{SERVER_URL}/?lat='+center.lat+'&lon='+center.lon+'&zoom='+zoom+'&layers='+layers+markerUrl+'">'+"#{I18n.t('export.start_rjs.view_larger_map')}"+'</a></small>';
+    html += '<br /><small><a href="http://#{SERVER_URL}/?lat='+center.lat+'&lon='+center.lon+'&zoom='+zoom+'&layers='+layers+markerUrl+'">'+"#{html_escape_unicode(I18n.t('export.start_rjs.view_larger_map'))}"+'</a></small>';
 
     $("export_html_text").value = html;
 
-- 
2.43.2