Misc fixes

 - use innerHTML instead of textContent, this is how it should have
   been from the start, textContent just worked for Repubblica, as the
   URL was in a script, but what if it is in some html code (<a/>,
   <object/>)?

 - check the regexp actually matches something

Signed-off-by: Antonio Ospite <ospite@studenti.unina.it>

diff --git a/direct_download_links.user.js b/direct_download_links.user.js
index 9b98b37..452e2a4 100644 (file)
--- a/direct_download_links.user.js
+++ b/direct_download_links.user.js
@@ -95,16 +95,18 @@ function direct_download_link_add(pageURL, fileElem, fileRegexp, linkDest) {
     return null;
   }
 
-  var content = element.textContent;
+  var content = element.innerHTML;
   if (!content) {
-    alert('DirectDL (' + pageURL + '): textContent is null, cannot find file URL.');
+    alert('DirectDL (' + pageURL + '): content is null, cannot find file URL.');
+    return null;
   }
 
-  var fileURL = content.match(fileRegexp)[1];
-  if (!fileURL) {
+  var matches = content.match(fileRegexp);
+  if (!matches || matches.length < 2 || !matches[1]) {
       alert('DirectDL (' + pageURL + '): file URL not found, check the fileRegexp');
       return null;
   }
+  var fileURL = matches[1];
 
   var links = document.getElementById(linkDest);
   if (!links) {