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Merge pull request #889 from Bond-009/xmlex

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Fix uncaught xml error
This commit is contained in:
Joshua M. Boniface 2019-02-19 21:31:16 -05:00 committed by GitHub
commit 6c6e9ca9f2
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1 changed files with 48 additions and 15 deletions
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63
Emby.Dlna/PlayTo/Device.cs
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@ -4,6 +4,7 @@ using System.Globalization;
using System.Linq;
using System.Threading;
using System.Threading.Tasks;
using System.Xml;
using System.Xml.Linq;
using Emby.Dlna.Common;
using Emby.Dlna.Server;
@ -733,26 +734,21 @@ namespace Emby.Dlna.PlayTo
return (true, null);
}
XElement uPnpResponse;
XElement uPnpResponse = null;
// Handle different variations sent back by devices
try
{
uPnpResponse = XElement.Parse(trackString);
uPnpResponse = ParseResponse(trackString);
}
catch (Exception)
catch (Exception ex)
{
// first try to add a root node with a dlna namesapce
try
{
uPnpResponse = XElement.Parse("<data xmlns:dlna=\"urn:schemas-dlna-org:device-1-0\">" + trackString + "</data>");
uPnpResponse = uPnpResponse.Descendants().First();
}
catch (Exception ex)
{
_logger.LogError(ex, "Unable to parse xml {0}", trackString);
return (true, null);
}
_logger.LogError(ex, "Uncaught exception while parsing xml");
}
if (uPnpResponse == null)
{
_logger.LogError("Failed to parse xml: \n {Xml}", trackString);
return (true, null);
}
var e = uPnpResponse.Element(uPnpNamespaces.items);
@ -762,6 +758,43 @@ namespace Emby.Dlna.PlayTo
return (true, uTrack);
}
private XElement ParseResponse(string xml)
{
// Handle different variations sent back by devices
try
{
return XElement.Parse(xml);
}
catch (XmlException)
{
}
// first try to add a root node with a dlna namesapce
try
{
return XElement.Parse("<data xmlns:dlna=\"urn:schemas-dlna-org:device-1-0\">" + xml + "</data>")
.Descendants()
.First();
}
catch (XmlException)
{
}
// some devices send back invalid xml
try
{
return XElement.Parse(xml.Replace("&", "&amp;"));
}
catch (XmlException)
{
}
return null;
}
private static uBaseObject CreateUBaseObject(XElement container, string trackUri)
{
if (container == null)