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 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);
}
