private async Task <string> FileLoadAsync(string filePath)
{
try
{
string extension = Path.GetExtension(filePath).ToLower();
// If the file is encrypted.
if (extension == ".rpgmvo" || extension == ".ogg_" || extension == ".rpgmvm" || extension == ".m4a_" || extension == ".rpgmvw" || extension == ".wav_")
{
var verifyTask = new Task <bool>(() => CryptographyProvider.VerifyFakeHeader(filePath));
verifyTask.Start();
await verifyTask;
if (!verifyTask.Result)
{
throw new InvalidDataException("An invalid *.rpgmvo(*.ogg_), *.rpgmvm(*.m4a_), *.rpgmvw(*.wav_) file was entered.");
}
// Restore the file.
string tempFilePath = Path.GetTempFileName();
if (extension == ".rpgmvo" || extension == ".ogg_")
{
var restoreTask = new Task(() => CryptographyProvider.RestoreOggHeader(filePath, tempFilePath));
restoreTask.Start();
await restoreTask;
_isUnstable = true;
return(tempFilePath);
}
else
{
var restoreTask = new Task(() => CryptographyProvider.RestoreHeader(filePath, tempFilePath));
restoreTask.Start();
await restoreTask;
return(tempFilePath);
}
}
else
{
return(filePath);
}
}
catch (Exception ex)
{
Workspace.Instance.Report.AddReportWithIdentifier($"{ex.Message}\r\n{ex.StackTrace}", ReportType.Warning);
return(null);
}
}
private async void Initialize(string filePath)
{
var task = Task.Run(() =>
{
try
{
string extension = Path.GetExtension(filePath).ToLower();
if (extension == ".rpgmvp" || extension == ".png_")
{
if (!CryptographyProvider.VerifyFakeHeader(filePath))
{
throw new InvalidDataException("An invalid *.rpgmvp(*.png_) file was entered.");
}
string tempFilePath = Path.GetTempFileName();
CryptographyProvider.RestoreHeader(filePath, tempFilePath);
ImageFilePath = tempFilePath;
}
else
{
ImageFilePath = filePath;
}
_fileProperties = new FileProperties(filePath);
BitmapImage bi = new BitmapImage();
bi.BeginInit();
bi.UriSource = new Uri(ImageFilePath, UriKind.RelativeOrAbsolute);
bi.EndInit();
ImageSizeString = $"{(int)bi.Width} * {(int)bi.Height} px";
}
catch (Exception ex)
{
Workspace.Instance.Report.AddReportWithIdentifier($"{ex.Message}\r\n{ex.StackTrace}", ReportType.Warning);
}
});
Workspace.Instance.SetStatus(TaskStatusType.Loading, $"Loading a file... ({filePath})");
await task;
Workspace.Instance.SetStatus(TaskStatusType.Completed, $"Completed.");
}