internal FileStreamScanner(
AMSIClient client
, string filePath
, int blockSize
, bool acceptEncryptedZipEntries
)
{
this.client = client;
this.filePath = filePath;
fileInfo = new FileInfo(filePath);
this.blockSize = blockSize;
this.acceptEncryptedZipEntries = acceptEncryptedZipEntries;
buffer = new byte[blockSize];
cancellationTokenSource = new CancellationTokenSource();
using (var signatureReader = new FileSignatureReader(filePath, Signatures.Get()))
fileSignature = signatureReader.GetFileSignature();
md5Hash = client.Configuration.SkipContentHashing
? Task.FromResult((string)null)
: Task.Run(() => fileInfo.GetFileMD5Hash(), cancellationTokenSource.Token);
}
public ScanResult ScanFile(string filePath)
{
client.DetermineDetectionEngine();
using (var resultBuilder = new ResultBuilder(
new ScanContext(client, null, filePath, ContentType.File, FileType.Unknown, 0, null)))
using (var signatureReader = new FileSignatureReader(filePath, Signatures.Get()))
if (!signatureReader.FileExists())
{
return(resultBuilder.ToResult(DetectionResult.FileNotExists, $"File not found at {filePath}"));
}
else if (signatureReader.IsFileBlocked())
{
return(resultBuilder.ToResultBlocked());
}
using (var reader = new FileStreamScannerSession(
client
, filePath
, client.Configuration.FileScannerBlockSize
, client.Configuration.FileScannerAcceptZipFileWithEncryptedEntry))
return(reader.Scan());
}
