public SignFileResponse SignFile(SignFileRequest signFileRequest)
{
var signFileResponse = new SignFileResponse();
signFileResponse.DeleteFailed += (response, file, exception) =>
{
Log.Error(exception, $"Failed to delete file '{file}'");
};
signFileResponse.DeleteSkipped += (response, file) =>
{
Log.Warn($"Skipped file delete '{file}'");
};
signFileResponse.DeleteSuccess += (response, file) =>
{
Log.Trace($"Successfully deleted file '{file}'");
};
var remoteIp = RemoteIp;
var isLegacy = IsLegacyEndpoint;
string inputFileName = null;
try
{
//
// validate input
if (isLegacy)
{
Log.Warn($"[{remoteIp}] Client is using legacy endpoint!");
}
Log.Info($"[{remoteIp}] New sign request for file {signFileRequest.FileName} by {remoteIp} ({signFileRequest.FileSize} bytes)");
if (signFileRequest.FileSize == 0 || signFileRequest.FileContent == null)
{
signFileResponse.Result = SignFileResponseResult.FileNotSignedError;
signFileResponse.ErrorMessage = "No file was received";
return(signFileResponse);
}
//
// find certificate
CertificateConfiguration certificate;
if (string.IsNullOrWhiteSpace(signFileRequest.Username))
{
certificate = Configuration.Certificates.FirstOrDefault(c => c.IsAnonymous);
}
else
{
certificate = Configuration.Certificates.FirstOrDefault(
c => c.IsAuthorized(signFileRequest.Username, signFileRequest.Password));
}
if (certificate == null)
{
Log.Warn("Unauthorized signing request");
signFileResponse.Result = SignFileResponseResult.FileNotSignedUnauthorized;
return(signFileResponse);
}
//
// find compatible signing tool
var signingTool = SigningToolProvider.GetSigningTool(signFileRequest.FileName);
if (signingTool == null)
{
signFileResponse.Result = SignFileResponseResult.FileNotSignedUnsupportedFormat;
return(signFileResponse);
}
//
// upload file to working directory
inputFileName = signFileRequest.FileName ?? "";
inputFileName = DateTime.Now.ToString("yyyyMMdd_HHmmss") + "_" + Path.GetFileNameWithoutExtension(inputFileName) + "_" + Guid.NewGuid() + (Path.GetExtension(inputFileName));
inputFileName = Path.Combine(Configuration.WorkingDirectory, inputFileName);
using (var targetFile = new FileStream(inputFileName, FileMode.Create, FileAccess.ReadWrite))
{
signFileRequest.FileContent.CopyTo(targetFile);
}
//
// sign file
signingTool.SignFile(inputFileName, certificate.Certificate, Configuration.TimestampServer, signFileRequest, signFileResponse);
Log.Info($"[{remoteIp}] New sign request for file {signFileRequest.FileName} finished ({signFileRequest.FileSize} bytes)");
switch (signFileResponse.Result)
{
case SignFileResponseResult.FileSigned:
case SignFileResponseResult.FileResigned:
break;
case SignFileResponseResult.FileAlreadySigned:
case SignFileResponseResult.FileNotSignedUnsupportedFormat:
case SignFileResponseResult.FileNotSignedError:
case SignFileResponseResult.FileNotSignedUnauthorized:
// ensure input file is cleaned in error cases where the sign tool does not have a result
if (!(signFileResponse.FileContent is FileStream))
{
try
{
Log.Trace($"Deleting file {inputFileName}");
File.Delete(inputFileName);
Log.Trace($"File successfully deleted {inputFileName}");
}
catch (Exception e)
{
Log.Error(e, "Could not delete input file for failed request");
}
}
else
{
Log.Trace($"Delete file skipped for failed request {signFileResponse.Result} {inputFileName}, {signFileResponse.FileContent.GetType()}");
}
break;
}
}
catch (Exception e)
{
Log.Error(e, $"[{remoteIp}] Signing of {signFileRequest.FileName} failed: {e.Message}");
signFileResponse.Result = SignFileResponseResult.FileNotSignedError;
signFileResponse.ErrorMessage = e.Message;
if (!string.IsNullOrEmpty(inputFileName) && File.Exists(inputFileName))
{
try
{
File.Delete(inputFileName);
}
catch (Exception fileException)
{
Log.Error(fileException, $"[{remoteIp}] Failed to delete file {inputFileName}");
}
}
}
return(signFileResponse);
}
public SignFileResponse SignFile(SignFileRequest signFileRequest)
{
var signFileResponse = new SignFileResponse();
var remoteIp = RemoteIp;
string inputFileName = null;
try
{
//
// validate input
Log.Info("New sign request for file {0} by {1} ({2} bytes)", signFileRequest.FileName, remoteIp, signFileRequest.FileSize);
if (signFileRequest.FileSize == 0 || signFileRequest.FileContent == null)
{
signFileResponse.Result = SignFileResponseResult.FileNotSignedError;
signFileResponse.ErrorMessage = "No file was received";
return(signFileResponse);
}
//
// find certificate
CertificateConfiguration certificate;
if (string.IsNullOrWhiteSpace(signFileRequest.Username))
{
certificate = Configuration.Certificates.FirstOrDefault(c => c.IsAnonymous);
}
else
{
certificate = Configuration.Certificates.FirstOrDefault(
c => c.IsAuthorized(signFileRequest.Username, signFileRequest.Password));
}
if (certificate == null)
{
Log.Warn("Unauthorized signing request");
signFileResponse.Result = SignFileResponseResult.FileNotSignedUnauthorized;
return(signFileResponse);
}
//
// find compatible signing tool
var signingTool = SigningToolProvider.GetSigningTool(signFileRequest.FileName);
if (signingTool == null)
{
signFileResponse.Result = SignFileResponseResult.FileNotSignedUnsupportedFormat;
return(signFileResponse);
}
//
// upload file to working directory
inputFileName = signFileRequest.FileName ?? "";
inputFileName = DateTime.Now.ToString("yyyyMMdd_HHmmss") + "_" + Path.GetFileNameWithoutExtension(inputFileName) + "_" + Guid.NewGuid() + (Path.GetExtension(inputFileName));
inputFileName = Path.Combine(Configuration.WorkingDirectory, inputFileName);
using (var targetFile = new FileStream(inputFileName, FileMode.Create, FileAccess.ReadWrite))
{
signFileRequest.FileContent.CopyTo(targetFile);
}
//
// sign file
signingTool.SignFile(inputFileName, certificate.Certificate, Configuration.TimestampServer, signFileRequest, signFileResponse);
Log.Info("New sign request for file {0} finished ({1} bytes)", signFileRequest.FileName, signFileRequest.FileSize);
}
catch (Exception e)
{
Log.Error(e, $"Signing of {signFileRequest.FileName} by {remoteIp} failed: {e.Message}");
signFileResponse.Result = SignFileResponseResult.FileNotSignedError;
signFileResponse.ErrorMessage = e.Message;
if (!string.IsNullOrEmpty(inputFileName) && File.Exists(inputFileName))
{
try
{
File.Delete(inputFileName);
}
catch (Exception fileException)
{
Log.Error(fileException, $"Failed to delete file {inputFileName} by {remoteIp}");
}
}
}
return(signFileResponse);
}