/// <summary>
/// Create an UpdateFile object with metadata from the XML blob and URLs from the url data array
/// </summary>
/// <param name="xdoc">The XML element that holds file metadata</param>
/// <param name="metadataSource">The metadata source that contains files URL information.</param>
/// <returns></returns>
public static List <UpdateFile> Parse(XDocument xdoc, IMetadataSource metadataSource)
{
var parsedFiles = new List <UpdateFile>();
// Grab all File elements from the XML
var fileElements = xdoc.Descendants(XName.Get("File", "http://schemas.microsoft.com/msus/2002/12/Update"));
foreach (var fileElement in fileElements)
{
// Create a new UpdateFile from the File element
parsedFiles.Add(new UpdateFile(fileElement));
}
// Find URLs for the parsed files. Urls are matched by file digest.
foreach (var file in parsedFiles)
{
foreach (var hash in file.Digests)
{
if (metadataSource.HasFile(hash.DigestBase64))
{
file.Urls.Add(metadataSource.GetFile(hash.DigestBase64));
break;
}
}
}
return(parsedFiles);
}
/// <summary>
/// Print files from the store
/// </summary>
/// <param name="options">Print options, including filters</param>
public void PrintFiles(QueryMetadataOptions options)
{
if (!string.IsNullOrEmpty(options.FileHash))
{
var hashBytes = new byte[options.FileHash.Length / 2];
for (var i = 0; i < hashBytes.Length; i++)
{
hashBytes[i] = System.Convert.ToByte(options.FileHash.Substring(i * 2, 2), 16);
}
var hashBase64 = Convert.ToBase64String(hashBytes);
if (!MetadataSource.HasFile(hashBase64))
{
ConsoleOutput.WriteRed($"Cannot find file hash {options.FileHash}");
}
var file = MetadataSource.GetFile(hashBase64);
foreach (var update in MetadataSource.UpdatesIndex.Values)
{
if (update.HasFiles)
{
foreach (var updateFile in update.Files)
{
if (updateFile.Digests.Any(d => d.HexString.Equals(options.FileHash, StringComparison.OrdinalIgnoreCase)))
{
PrintUpdateMetadata(update, MetadataSource);
break;
}
}
}
}
}
else if (options.IdFilter.Count() > 0)
{
var idFilter = FilterBuilder.StringGuidsToGuids(options.IdFilter);
if (idFilter == null)
{
ConsoleOutput.WriteRed("The update ID filter must contain only GUIDs!");
return;
}
var update = MetadataSource.UpdatesIndex.Values.FirstOrDefault(u => u.Identity.ID.Equals(idFilter[0]));
if (update == null)
{
ConsoleOutput.WriteRed($"Cannot find update with GUID {idFilter[0]}");
return;
}
var files = GetAllUpdateFiles(MetadataSource, update);
PrintFileDetails(files);
}
}