handle empty rss response from indexers.

NzbDrone.Core/Indexers/BasicRssParser.cs

@@ -4,6 +4,7 @@ using System.Globalization;
 using System.IO;
 using System.Linq;
 using System.Text.RegularExpressions;
+using System.Xml;
 using System.Xml.Linq;
 using NLog;
 using NzbDrone.Core.Parser.Model;
@@ -12,7 +13,7 @@ namespace NzbDrone.Core.Indexers
 {
     public interface IParseFeed
     {
-        IEnumerable<ReportInfo> Process(Stream source, string url);
+        IEnumerable<ReportInfo> Process(string xml, string url);
     }
 
     public class BasicRssParser : IParseFeed
@@ -24,9 +25,11 @@ namespace NzbDrone.Core.Indexers
             _logger = LogManager.GetCurrentClassLogger();
         }
 
-        public IEnumerable<ReportInfo> Process(Stream source, string url)
+        public IEnumerable<ReportInfo> Process(string xml, string url)
         {
-            var document = XDocument.Load(source);
+            using (var xmlTextReader = new XmlTextReader(new StringReader(xml)) { DtdProcessing = DtdProcessing.Ignore })
+            {
+                var document = XDocument.Load(xmlTextReader);
                 var items = document.Descendants("item");
 
                 var result = new List<ReportInfo>();
@@ -53,6 +56,7 @@ namespace NzbDrone.Core.Indexers
 
                 return result;
             }
+        }
 
 
         protected virtual string GetTitle(XElement item)

NzbDrone.Core/Indexers/IndexerFetchService.cs

@@ -106,8 +106,16 @@ namespace NzbDrone.Core.Indexers
                 try
                 {
                     _logger.Trace("Downloading Feed " + url);
-                    var stream = _httpProvider.DownloadStream(url);
+                    var xml = _httpProvider.DownloadString(url);
-                    result.AddRange(indexer.Parser.Process(stream, url));
+                    if (!string.IsNullOrWhiteSpace(xml))
+                    {
+                        result.AddRange(indexer.Parser.Process(xml, url));
+                    }
+                    else
+                    {
+                        _logger.Warn("{0} returned empty response.", url);
+                    }
+
                 }
                 catch (WebException webException)
                 {