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);
}
}