public bool ProcessStream(Stream fileContent, string extension,
ITextLocalizer localizer)
{
extension = extension.TrimToEmpty().ToLowerInvariant();
if (IsDangerousExtension(extension))
{
ErrorMessage = "Unsupported file extension!";
return(false);
}
CheckResult = ImageCheckResult.InvalidImage;
ErrorMessage = null;
ImageWidth = 0;
ImageHeight = 0;
IsImage = false;
var success = false;
storage.PurgeTemporaryFiles();
var basePath = "temporary/" + Guid.NewGuid().ToString("N");
try
{
try
{
FileSize = fileContent.Length;
fileContent.Seek(0, System.IO.SeekOrigin.Begin);
TemporaryFile = storage.WriteFile(basePath + extension, fileContent, false);
if (IsImageExtension(extension))
{
IsImage = true;
success = ProcessImageStream(fileContent, localizer);
}
else
{
success = true;
}
}
catch (Exception ex)
{
ErrorMessage = ex.Message;
ex.Log(Logger);
success = false;
return(success);
}
}
finally
{
if (!success)
{
if (!ThumbFile.IsNullOrEmpty())
{
storage.DeleteFile(ThumbFile);
}
if (!TemporaryFile.IsNullOrEmpty())
{
storage.DeleteFile(TemporaryFile);
}
}
fileContent.Dispose();
}
return(success);
}