public bool ProcessStream(Stream fileContent, string extension)
{
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;
var temporaryPath = UploadHelper.TemporaryPath;
Directory.CreateDirectory(temporaryPath);
TemporaryFileHelper.PurgeDirectoryDefault(temporaryPath);
string baseFileName = System.IO.Path.Combine(temporaryPath, Guid.NewGuid().ToString("N"));
try
{
try
{
if (IsImageExtension(extension))
{
IsImage = true;
success = true;
FilePath = baseFileName + extension;
fileContent.Seek(0, SeekOrigin.Begin);
using (FileStream fs = new FileStream(FilePath, FileMode.Create))
{
fileContent.CopyTo(fs);
FileSize = fs.Length;
}
success = ProcessImageStream(fileContent, extension);
}
else
{
FilePath = baseFileName + extension;
fileContent.Seek(0, SeekOrigin.Begin);
using (FileStream fs = new FileStream(FilePath, FileMode.Create))
{
fileContent.CopyTo(fs);
FileSize = fs.Length;
}
success = true;
}
}
catch (Exception ex)
{
ErrorMessage = ex.Message;
success = false;
return(success);
}
}
finally
{
if (!success)
{
if (!ThumbFile.IsNullOrEmpty())
{
TemporaryFileHelper.TryDelete(ThumbFile);
}
if (!FilePath.IsNullOrEmpty())
{
TemporaryFileHelper.TryDelete(FilePath);
}
}
fileContent.Dispose();
}
return(success);
}
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);
}
