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Rescue PlayTo function in case of malformed Xml response

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(port from 10.8 fix)
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SeaEagle1 2023-05-12 17:53:27 +02:00
parent 47290a8c36
commit 9352a24374
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1 changed files with 28 additions and 7 deletions
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35
Emby.Dlna/PlayTo/DlnaHttpClient.cs
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@ -2,9 +2,11 @@
using System;
using System.Globalization;
using System.IO;
using System.Net.Http;
using System.Net.Mime;
using System.Text;
using System.Text.RegularExpressions;
using System.Threading;
using System.Threading.Tasks;
using System.Xml;
@ -54,15 +56,34 @@ namespace Emby.Dlna.PlayTo
LoadOptions.None,
cancellationToken).ConfigureAwait(false);
}
catch (XmlException ex)
catch (XmlException)
{
_logger.LogError(ex, "Failed to parse response");
if (_logger.IsEnabled(LogLevel.Debug))
{
_logger.LogDebug("Malformed response: {Content}\n", await response.Content.ReadAsStringAsync(cancellationToken).ConfigureAwait(false));
}
// try correcting the Xml response with common errors
var xmlString = await response.Content.ReadAsStringAsync(cancellationToken).ConfigureAwait(false);
return null;
// find and replace unescaped ampersands (&)
Regex regex = new Regex(@"(&(?![a-z]*;))");
xmlString = regex.Replace(xmlString, @"&");
try
{
// retry reading Xml
var xmlReader = new StringReader(xmlString);
return await XDocument.LoadAsync(
xmlReader,
LoadOptions.None,
cancellationToken).ConfigureAwait(false);
}
catch (XmlException ex)
{
_logger.LogError(ex, "Failed to parse response");
if (_logger.IsEnabled(LogLevel.Debug))
{
_logger.LogDebug("Malformed response: {Content}\n", xmlString);
}
return null;
}
}
}