From fb52144cfbac1ccf7026132136e6157f10856509 Mon Sep 17 00:00:00 2001
From: Jonas Jenwald <jonas.jenwald@gmail.com>
Date: Wed, 16 Oct 2013 00:12:23 +0200
Subject: [PATCH] Enable links beginning with 'www.' even if no protocol is
 specified

---
 src/shared/annotation.js | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/src/shared/annotation.js b/src/shared/annotation.js
index d16898f91..8d0630219 100644
--- a/src/shared/annotation.js
+++ b/src/shared/annotation.js
@@ -616,7 +616,7 @@ var LinkAnnotation = (function LinkAnnotationClosure() {
     if (action) {
       var linkType = action.get('S').name;
       if (linkType === 'URI') {
-        var url = action.get('URI');
+        var url = addDefaultProtocolToUrl(action.get('URI'));
         // TODO: pdf spec mentions urls can be relative to a Base
         // entry in the dictionary.
         if (!isValidUrl(url, false)) {
@@ -652,6 +652,14 @@ var LinkAnnotation = (function LinkAnnotationClosure() {
     }
   }
 
+  // Lets URLs beginning with 'www.' default to using the 'http://' protocol.
+  function addDefaultProtocolToUrl(url) {
+    if (url.indexOf('www.') === 0) {
+      return ('http://' + url);
+    }
+    return url;
+  }
+
   Util.inherit(LinkAnnotation, Annotation, {
     hasOperatorList: function LinkAnnotation_hasOperatorList() {
       return false;