public JsonResult GetFilesStructure(string searchPattern, string signature, string challenge)
{
try
{
var challengeSession = TempData["challenge"].ToString();
IList <FileIntegrity> FileIntegrityList = new List <FileIntegrity>();
if (string.Equals(challengeSession, challenge, StringComparison.OrdinalIgnoreCase))
{
bool isSignatureValid = ECKey.ValidECDSASignature(signature, challengeSession, _configurations.ClientPublicKeyECDSA);
if (isSignatureValid)
{
var settingsSiteFolder = Path.Combine(_hostingEnvironment.ContentRootPath, "..");
var fileListIEnumerable = GetFilesDirectory(settingsSiteFolder, searchPattern);
string[] fileList = fileListIEnumerable.ToArray();
if (fileList?.Length > 0)
{
for (var i = 0; i < fileList.Length - 1; i++)
{
FileIntegrity file = new FileIntegrity();
file.Filename = fileList[i];
file = HashFile(file);
FileIntegrityList.Add(file);
}
}
}
}
var json = new JsonResult(FileIntegrityList);
return(json);
}
catch (Exception e)
{
Console.WriteLine(e.ToString());
}
return(null);
}
static void Main(string[] args)
{
var commander = new CommandLineManager();
commander.CommandList.Add("test", Test);
commander.CommandList.Add("r", Read);
commander.CommandList.Add("read", Read);
commander.Parse(args);
if (commander.IsCommandLineEmpty)
{
var integrity = new FileIntegrity();
integrity.Create(FileIntegrity.FileName);
}
//var integrity = new FileIntegrity();
////integrity.Create(FileIntegrity.FileName);
//integrity.Read(FileIntegrity.FileName);
//Application.EnableVisualStyles();
//Application.SetCompatibleTextRenderingDefault(false);
//Application.Run(new Form1());
}
private static FileIntegrity IsSigned(FileIntegrity file)
{
string filePath = file.Filename;
if (!File.Exists(filePath))
{
Console.WriteLine("File not found");
file.ErrorMessage = "File not found";
return(file);
}
X509Certificate2 theCertificate;
try
{
X509Certificate theSigner = X509Certificate.CreateFromSignedFile(filePath);
theCertificate = new X509Certificate2(theSigner);
}
catch (Exception ex)
{
Console.WriteLine("No digital signature found: " + ex.Message);
file.ErrorMessage = ("No digital signature found: " + ex.Message);
return(file);
}
bool chainIsValid = false;
/*
*
* This section will check that the certificate is from a trusted authority IE
* not self-signed.
*
*/
var theCertificateChain = new X509Chain();
theCertificateChain.ChainPolicy.RevocationFlag = X509RevocationFlag.ExcludeRoot;
/*
*
* Using .Online here means that the validation WILL CALL OUT TO THE INTERNET
* to check the revocation status of the certificate. Change to .Offline if you
* don't want that to happen.
*/
theCertificateChain.ChainPolicy.RevocationMode = X509RevocationMode.Online;
theCertificateChain.ChainPolicy.UrlRetrievalTimeout = new TimeSpan(0, 1, 0);
theCertificateChain.ChainPolicy.VerificationFlags = X509VerificationFlags.NoFlag;
chainIsValid = theCertificateChain.Build(theCertificate);
if (chainIsValid)
{
file.PublisherInformation = theCertificate.SubjectName.Name;
file.ValidFrom = theCertificate.GetEffectiveDateString();
file.ValidTo = theCertificate.GetExpirationDateString();
file.IssuedBy = theCertificate.GetExpirationDateString();
Console.WriteLine("Publisher Information : " + theCertificate.SubjectName.Name);
Console.WriteLine("Valid From: " + theCertificate.GetEffectiveDateString());
Console.WriteLine("Valid To: " + theCertificate.GetExpirationDateString());
Console.WriteLine("Issued By: " + theCertificate.Issuer);
}
else
{
Console.WriteLine("Chain Not Valid (certificate is self-signed)");
file.ErrorMessage = "Chain Not Valid(certificate is self - signed)";
return(file);
}
return(file);
}
