public static void TestSimpleEncryptFile()
{
FileOperationsController controller = new FileOperationsController(_fileSystemState);
string destinationPath = String.Empty;
controller.QueryEncryptionPassphrase += (object sender, FileOperationEventArgs e) =>
{
e.Passphrase = "allan";
};
controller.Completed += (object sender, FileOperationEventArgs e) =>
{
destinationPath = e.SaveFileFullName;
};
FileOperationStatus status = controller.EncryptFile(_davidCopperfieldTxtPath);
Assert.That(status, Is.EqualTo(FileOperationStatus.Success), "The status should indicate success.");
IRuntimeFileInfo destinationInfo = OS.Current.FileInfo(destinationPath);
Assert.That(destinationInfo.Exists, "After encryption the destination file should be created.");
using (AxCryptDocument document = new AxCryptDocument())
{
using (Stream stream = destinationInfo.OpenRead())
{
document.Load(stream, new Passphrase("allan").DerivedPassphrase);
Assert.That(document.PassphraseIsValid, "The encrypted document should be valid and encrypted with the passphrase given.");
}
}
}
public static void TestEncryptFileThatIsAlreadyEncrypted()
{
FileOperationsController controller = new FileOperationsController(_fileSystemState);
FileOperationStatus status = controller.EncryptFile("test" + OS.Current.AxCryptExtension);
Assert.That(status, Is.EqualTo(FileOperationStatus.FileAlreadyEncrypted), "The status should indicate that it was already encrypted.");
}
public static void TestEncryptFileWithDefaultEncryptionKey()
{
_fileSystemState.KnownKeys.DefaultEncryptionKey = new Passphrase("default").DerivedPassphrase;
FileOperationsController controller = new FileOperationsController(_fileSystemState);
bool queryEncryptionPassphraseWasCalled = false;
controller.QueryEncryptionPassphrase += (object sender, FileOperationEventArgs e) =>
{
queryEncryptionPassphraseWasCalled = true;
};
string destinationPath = String.Empty;
controller.Completed += (object sender, FileOperationEventArgs e) =>
{
destinationPath = e.SaveFileFullName;
};
FileOperationStatus status = controller.EncryptFile(_davidCopperfieldTxtPath);
Assert.That(status, Is.EqualTo(FileOperationStatus.Success), "The status should indicate success.");
Assert.That(!queryEncryptionPassphraseWasCalled, "No query of encryption passphrase should be needed since there is a default set.");
IRuntimeFileInfo destinationInfo = OS.Current.FileInfo(destinationPath);
Assert.That(destinationInfo.Exists, "After encryption the destination file should be created.");
using (AxCryptDocument document = new AxCryptDocument())
{
using (Stream stream = destinationInfo.OpenRead())
{
document.Load(stream, new Passphrase("default").DerivedPassphrase);
Assert.That(document.PassphraseIsValid, "The encrypted document should be valid and encrypted with the default passphrase given.");
}
}
}
private void EncryptFile(string file, IThreadWorker worker, ProgressContext progress)
{
FileOperationsController operationsController = new FileOperationsController(persistentState.Current, progress);
operationsController.QuerySaveFileAs += (object sender, FileOperationEventArgs e) =>
{
using (SaveFileDialog sfd = new SaveFileDialog())
{
sfd.Title = Resources.EncryptFileSaveAsDialogTitle;
sfd.AddExtension = true;
sfd.ValidateNames = true;
sfd.CheckPathExists = true;
sfd.DefaultExt = OS.Current.AxCryptExtension;
sfd.FileName = e.SaveFileFullName;
sfd.Filter = Resources.EncryptedFileDialogFilterPattern.InvariantFormat(OS.Current.AxCryptExtension);
sfd.InitialDirectory = Path.GetDirectoryName(e.SaveFileFullName);
sfd.ValidateNames = true;
DialogResult saveAsResult = sfd.ShowDialog();
if (saveAsResult != DialogResult.OK)
{
e.Cancel = true;
return;
}
e.SaveFileFullName = sfd.FileName;
}
};
operationsController.QueryEncryptionPassphrase += (object sender, FileOperationEventArgs e) =>
{
string passphrase = AskForEncryptionPassphrase();
if (String.IsNullOrEmpty(passphrase))
{
e.Cancel = true;
return;
}
e.Passphrase = passphrase;
AesKey defaultEncryptionKey = new Passphrase(e.Passphrase).DerivedPassphrase;
persistentState.Current.KnownKeys.DefaultEncryptionKey = defaultEncryptionKey;
};
operationsController.Completed += (object sender, FileOperationEventArgs e) =>
{
if (e.Status == FileOperationStatus.FileAlreadyEncrypted)
{
e.Status = FileOperationStatus.Success;
return;
}
if (CheckStatusAndShowMessage(e.Status, e.OpenFileFullName))
{
IRuntimeFileInfo encryptedInfo = OS.Current.FileInfo(e.SaveFileFullName);
IRuntimeFileInfo decryptedInfo = OS.Current.FileInfo(FileOperation.GetTemporaryDestinationName(e.OpenFileFullName));
ActiveFile activeFile = new ActiveFile(encryptedInfo, decryptedInfo, e.Key, ActiveFileStatus.NotDecrypted, null);
persistentState.Current.Add(activeFile);
persistentState.Current.Save();
}
};
operationsController.EncryptFile(file, worker);
}
public static void TestEncryptFileWhenCanceledDuringQueryPassphrase()
{
FileOperationsController controller = new FileOperationsController(_fileSystemState);
controller.QueryEncryptionPassphrase += (object sender, FileOperationEventArgs e) =>
{
e.Cancel = true;
};
FileOperationStatus status = controller.EncryptFile(_davidCopperfieldTxtPath);
Assert.That(status, Is.EqualTo(FileOperationStatus.Canceled), "The status should indicate cancellation.");
}
public static void TestEncryptFileWhenDestinationExists()
{
IRuntimeFileInfo sourceInfo = OS.Current.FileInfo(_davidCopperfieldTxtPath);
IRuntimeFileInfo expectedDestinationInfo = OS.Current.FileInfo(AxCryptFile.MakeAxCryptFileName(sourceInfo));
using (Stream stream = expectedDestinationInfo.OpenWrite())
{
}
FileOperationsController controller = new FileOperationsController(_fileSystemState);
string destinationPath = String.Empty;
controller.QueryEncryptionPassphrase += (object sender, FileOperationEventArgs e) =>
{
e.Passphrase = "allan";
};
controller.QuerySaveFileAs += (object sender, FileOperationEventArgs e) =>
{
e.SaveFileFullName = Path.Combine(Path.GetDirectoryName(e.SaveFileFullName), "alternative-name.axx");
};
controller.Completed += (object sender, FileOperationEventArgs e) =>
{
destinationPath = e.SaveFileFullName;
};
FileOperationStatus status = controller.EncryptFile(_davidCopperfieldTxtPath);
Assert.That(status, Is.EqualTo(FileOperationStatus.Success), "The status should indicate success.");
Assert.That(Path.GetFileName(destinationPath), Is.EqualTo("alternative-name.axx"), "The alternative name should be used, since the default existed.");
IRuntimeFileInfo destinationInfo = OS.Current.FileInfo(destinationPath);
Assert.That(destinationInfo.Exists, "After encryption the destination file should be created.");
using (AxCryptDocument document = new AxCryptDocument())
{
using (Stream stream = destinationInfo.OpenRead())
{
document.Load(stream, new Passphrase("allan").DerivedPassphrase);
Assert.That(document.PassphraseIsValid, "The encrypted document should be valid and encrypted with the passphrase given.");
}
}
}
public static void TestEncryptFileWhenCanceledDuringQuerySaveAs()
{
IRuntimeFileInfo sourceInfo = OS.Current.FileInfo(_davidCopperfieldTxtPath);
IRuntimeFileInfo expectedDestinationInfo = OS.Current.FileInfo(AxCryptFile.MakeAxCryptFileName(sourceInfo));
using (Stream stream = expectedDestinationInfo.OpenWrite())
{
}
FileOperationsController controller = new FileOperationsController(_fileSystemState);
controller.QuerySaveFileAs += (object sender, FileOperationEventArgs e) =>
{
e.Cancel = true;
};
FileOperationStatus status = controller.EncryptFile(_davidCopperfieldTxtPath);
Assert.That(status, Is.EqualTo(FileOperationStatus.Canceled), "The status should indicate cancellation.");
}