public static string GetFilenameForCEUIFile(CExtendedUpdateInfoXml.File file2, IEnumerable <CompDBXmlClass.PayloadItem> payloadItems)
{
string filename = file2.FileName;
if (payloadItems.Any(x => x.PayloadHash == file2.AdditionalDigest.Text || x.PayloadHash == file2.Digest))
{
CompDBXmlClass.PayloadItem payload = payloadItems.First(x => x.PayloadHash == file2.AdditionalDigest.Text || x.PayloadHash == file2.Digest);
filename = payload.Path;
}
return(filename);
}
public static string GetFilenameForCEUIFile(CExtendedUpdateInfoXml.File file2, IEnumerable <CompDBXmlClass.PayloadItem> payloadItems)
{
string filename = file2.FileName;
if (payloadItems.Any(x => x.PayloadHash == file2.AdditionalDigest.Text || x.PayloadHash == file2.Digest))
{
CompDBXmlClass.PayloadItem payload = payloadItems.First(x => x.PayloadHash == file2.AdditionalDigest.Text || x.PayloadHash == file2.Digest);
filename = payload.Path;
}
else if (payloadItems.Count() == 0 && filename.Contains("_") && !filename.StartsWith("_") && (filename.IndexOf('-') == -1 || filename.IndexOf('-') > filename.IndexOf('_')))
{
filename = filename.Substring(0, filename.IndexOf('_')) + "\\" + filename.Substring(filename.IndexOf('_') + 1);
filename = filename.TrimStart('\\');
}
return(filename);
}
public static bool ShouldFileGetDownloaded(CExtendedUpdateInfoXml.File file2, IEnumerable <CompDBXmlClass.PayloadItem> payloadItems)
{
string filename = file2.FileName;
if (payloadItems.Any(x => x.PayloadHash == file2.AdditionalDigest.Text || x.PayloadHash == file2.Digest))
{
CompDBXmlClass.PayloadItem payload = payloadItems.First(x => x.PayloadHash == file2.AdditionalDigest.Text || x.PayloadHash == file2.Digest);
filename = payload.Path;
if (payload.PayloadType.Equals("ExpressCab", StringComparison.InvariantCultureIgnoreCase))
{
// This is a diff cab, skip it
return(false);
}
}
if (filename.Contains("Diff", StringComparison.InvariantCultureIgnoreCase) ||
filename.Contains("Baseless", StringComparison.InvariantCultureIgnoreCase))
{
return(false);
}
return(true);
}
public async static Task <string> GetBuildStringAsync(this UpdateData update)
{
try
{
CExtendedUpdateInfoXml.File deploymentCab = null;
foreach (var file in update.Xml.Files.File)
{
if (file.FileName.EndsWith("desktopdeployment.cab", StringComparison.InvariantCultureIgnoreCase))
{
deploymentCab = file;
break;
}
}
if (deploymentCab == null)
{
return(null);
}
var fileDownloadInfo = await FE3Handler.GetFileUrl(update, deploymentCab.Digest);
if (fileDownloadInfo == null)
{
return(null);
}
string deploymentCabTemp = Path.GetTempFileName();
await client.DownloadFileTaskAsync(new Uri(fileDownloadInfo.DownloadUrl), deploymentCabTemp);
if (fileDownloadInfo.IsEncrypted)
{
if (!fileDownloadInfo.Decrypt(deploymentCabTemp, deploymentCabTemp + ".decrypted"))
{
return(null);
}
File.Delete(deploymentCabTemp);
File.Move(deploymentCabTemp + ".decrypted", deploymentCabTemp);
}
string result = null;
try
{
using (var cabinet = new CabinetHandler(File.OpenRead(deploymentCabTemp)))
{
foreach (var file in cabinet.Files)
{
if (file.Equals("UpdateAgent.dll", StringComparison.InvariantCultureIgnoreCase))
{
byte[] buffer;
using (var dllstream = cabinet.OpenFile(file))
{
buffer = new byte[dllstream.Length];
await dllstream.ReadAsync(buffer, 0, (int)dllstream.Length);
}
result = GetBuildStringFromUpdateAgent(buffer);
break;
}
}
}
}
catch { }
var reportedBuildNumberFromService = update.Xml.ExtendedProperties.ReleaseVersion.Split('.')[2];
if (!string.IsNullOrEmpty(result) && result.Count(x => x == '.') >= 2)
{
var elements = result.Split('.');
elements[2] = reportedBuildNumberFromService;
result = string.Join(".", elements);
}
File.Delete(deploymentCabTemp);
return(result);
}
catch
{
return(null);
}
}
private static void AddUpdatesIfNotPresentAlready(ICollection <UpdateData> updates, IEnumerable <UpdateData> uncleanedData)
{
var data = uncleanedData.Select(x => TrimDeltasFromUpdateData(x)).ToArray();
foreach (var update in data)
{
if (updates.Any(x => x.Xml.Files.File.Count() == update.Xml.Files.File.Count()))
{
var potentialDupes = updates.Where(x => x.Xml.Files.File.Count() == update.Xml.Files.File.Count());
CExtendedUpdateInfoXml.File metadataCab = null;
foreach (var file in update.Xml.Files.File)
{
if (file.PatchingType.Equals("metadata", StringComparison.InvariantCultureIgnoreCase))
{
metadataCab = file;
break;
}
}
if (metadataCab == null)
{
continue;
}
bool exists = false;
foreach (var potentialDupe in potentialDupes)
{
CExtendedUpdateInfoXml.File metadataCab2 = null;
foreach (var file in potentialDupe.Xml.Files.File)
{
if (file.PatchingType.Equals("metadata", StringComparison.InvariantCultureIgnoreCase))
{
metadataCab2 = file;
break;
}
}
if (metadataCab2 == null)
{
continue;
}
if (metadataCab.Digest == metadataCab2.Digest)
{
exists = true;
continue;
}
}
if (!exists)
{
updates.Add(update);
}
}
else
{
updates.Add(update);
}
}
}
public static bool ShouldFileGetDownloaded(CExtendedUpdateInfoXml.File file2, string OutputFolder, IEnumerable <CompDBXmlClass.PayloadItem> payloadItems)
{
string filename = file2.FileName;
if (payloadItems.Any(x => x.PayloadHash == file2.AdditionalDigest.Text || x.PayloadHash == file2.Digest))
{
CompDBXmlClass.PayloadItem payload = payloadItems.First(x => x.PayloadHash == file2.AdditionalDigest.Text || x.PayloadHash == file2.Digest);
filename = payload.Path;
if (payload.PayloadType.Equals("ExpressCab", StringComparison.InvariantCultureIgnoreCase))
{
// This is a diff cab, skip it
return(false);
}
}
if (filename.Contains("Diff", StringComparison.InvariantCultureIgnoreCase) ||
filename.Contains("Baseless", StringComparison.InvariantCultureIgnoreCase))
{
return(false);
}
string filenameonly = Path.GetFileName(filename);
string outputPath = filename.Replace(filenameonly, "");
if (File.Exists(Path.Combine(OutputFolder, outputPath, filenameonly)))
{
Logging.Log("File " + Path.Combine(outputPath, filenameonly) + " already exists. Verifying if it's matching expectations.");
byte[] expectedHash = Convert.FromBase64String(file2.Digest);
if (file2.DigestAlgorithm.Equals("sha1", StringComparison.InvariantCultureIgnoreCase))
{
Logging.Log("Computing SHA1 hash...");
using (SHA1 SHA1 = SHA1Managed.Create())
{
byte[] hash;
using (FileStream fileStream = File.OpenRead(Path.Combine(OutputFolder, outputPath, filenameonly)))
hash = SHA1.ComputeHash(fileStream);
if (StructuralComparisons.StructuralEqualityComparer.Equals(expectedHash, hash))
{
Logging.Log("Hash matches! Skipping file");
return(false);
}
else
{
Logging.Log("Hash does not match! Deleting and redownloading the file.");
File.Delete(Path.Combine(OutputFolder, outputPath, filenameonly));
Logging.Log("File deleted");
}
}
}
else if (file2.DigestAlgorithm.Equals("sha256", StringComparison.InvariantCultureIgnoreCase))
{
Logging.Log("Computing SHA256 hash...");
using (SHA256 SHA256 = SHA256Managed.Create())
{
byte[] hash;
using (FileStream fileStream = File.OpenRead(Path.Combine(OutputFolder, outputPath, filenameonly)))
hash = SHA256.ComputeHash(fileStream);
if (StructuralComparisons.StructuralEqualityComparer.Equals(expectedHash, hash))
{
Logging.Log("Hash matches! Skipping file");
return(false);
}
else
{
Logging.Log("Hash does not match! Deleting and redownloading the file.");
File.Delete(Path.Combine(OutputFolder, outputPath, filenameonly));
Logging.Log("File deleted");
}
}
}
}
return(true);
}
