private void ProcessUpdateFile(Guid appGuid, string filename, bool isHeroicUpdate = false)
{
if (!File.Exists(filename))
{
if (isHeroicUpdate)
{
throw new CBLoaderException($"Expected file {filename} not found.");
}
return;
}
Log.Debug($" - Parsing {Path.GetFileName(filename)}");
var document = XDocument.Load(filename);
switch (document.Root.Name.LocalName.ToLower())
{
case "applications":
var applicationTag = document.Root.Elements()
.First(x => x.Name.LocalName == "Application" &&
x.Attribute("ID").Value == appGuid.ToString());
foreach (var element in applicationTag.Elements())
{
var match = UPDATE_REGEX.Match(element.Name.LocalName);
var id = new Guid(match.Groups[1].Value);
var key = Convert.FromBase64String(element.Value);
keyStore.AddKey(id, key);
}
if (isHeroicUpdate)
{
keyStore.WriteGuid = new Guid(applicationTag.Attribute("CurrentUpdate").Value);
}
break;
case "cbloaderkeystore":
var otherStore = (KeyStore)SERIALIZER.Deserialize(new StringReader(document.ToString()));
foreach (var key in otherStore.UpdateKeys)
{
keyStore.AddKey(key.Id, key.KeyData);
}
if (otherStore.WriteGuid != null)
{
keyStore.WriteGuid = otherStore.WriteGuid;
}
if (otherStore.FallbackKey != null)
{
keyStore.FallbackKey = otherStore.FallbackKey;
}
break;
default:
throw new Exception("Unknown key store type.");
}
if (isHeroicUpdate && (keyStore.WriteGuid == null || keyStore.Get(keyStore.WriteGuid) == null))
{
throw new CBLoaderException($"Key file {filename} is not valid.");
}
}