public static void DecryptAndOpenFile(IRuntimeFileInfo encryptedDocument, Passphrase passphrase, ProgressContext progress, Action <string, ProgressContext> failure = null)
{
string tempPath = Path.GetTempPath();
string decryptedFileName;
lastUsedKey = passphrase.DerivedPassphrase;
if (!TryDecrypt(encryptedDocument, tempPath, lastUsedKey, progress, out decryptedFileName))
{
failure("Could not open file", progress);
return;
}
string fullPathToDecryptedFile = Path.Combine(tempPath, decryptedFileName);
IRuntimeFileInfo decryptedFile = OS.Current.FileInfo(fullPathToDecryptedFile);
NSDictionary userInfo = new NSDictionary(Launcher.TargetFileUserInfoKey, decryptedFile.FullName);
NSNotification notification = NSNotification.FromName(Launcher.FileDecryptedNotification, new NSObject(), userInfo);
NSNotificationCenter.DefaultCenter.PostNotification(notification);
ILauncher launcher = OS.Current.Launch(fullPathToDecryptedFile);
launcher.Exited += (sender, e) => {
fileSystemState.CheckActiveFiles(ChangedEventMode.RaiseOnlyOnModified, new ProgressContext());
};
fileSystemState.Add(new ActiveFile(encryptedDocument, decryptedFile, lastUsedKey, ActiveFileStatus.AssumedOpenAndDecrypted, launcher));
//fileSystemState.Save ();
}
public static void TestCheckActiveFilesKeyIsNotSetWithoutKnownKey()
{
DateTime utcNow = OS.Current.UtcNow;
FakeRuntimeFileInfo.AddFile(_encryptedFile1, utcNow, utcNow, utcNow, FakeRuntimeFileInfo.ExpandableMemoryStream(Resources.helloworld_key_a_txt));
Passphrase passphrase = new Passphrase("a");
AxCryptFile.Decrypt(OS.Current.FileInfo(_encryptedFile1), OS.Current.FileInfo(_decryptedFile1), passphrase.DerivedPassphrase, AxCryptOptions.None, new ProgressContext());
ActiveFile activeFile = new ActiveFile(OS.Current.FileInfo(_encryptedFile1), OS.Current.FileInfo(_decryptedFile1), passphrase.DerivedPassphrase, ActiveFileStatus.AssumedOpenAndDecrypted, null);
_fileSystemState.Add(activeFile);
_fileSystemState.Save();
_fileSystemState.Dispose();
_fileSystemState = new FileSystemState();
_fileSystemState.Load(OS.Current.FileInfo(_fileSystemStateFilePath));
IRuntimeFileInfo decryptedFileInfo = OS.Current.FileInfo(_decryptedFile1);
decryptedFileInfo.SetFileTimes(utcNow.AddSeconds(30), utcNow.AddSeconds(30), utcNow.AddSeconds(30));
SetupAssembly.FakeRuntimeEnvironment.TimeFunction = (() => { return(utcNow.AddMinutes(1)); });
bool changedWasRaised = false;
_fileSystemState.Changed += ((object sender, ActiveFileChangedEventArgs e) =>
{
changedWasRaised = true;
});
activeFile = _fileSystemState.FindEncryptedPath(_encryptedFile1);
Assert.That(activeFile.Key, Is.Null, "The key should be null after loading of new FileSystemState");
_fileSystemState.CheckActiveFiles(ChangedEventMode.RaiseOnlyOnModified, new ProgressContext());
Assert.That(changedWasRaised, Is.False, "The ActiveFile should be not be modified because the file was modified as well and thus cannot be deleted.");
activeFile = _fileSystemState.FindEncryptedPath(_encryptedFile1);
Assert.That(activeFile.Key, Is.Null, "The key should still be null after the checking of active files.");
Assert.That(activeFile.Status.HasMask(ActiveFileStatus.AssumedOpenAndDecrypted), Is.True, "The file should still be there.");
Assert.That(activeFile.ThumbprintMatch(passphrase.DerivedPassphrase), Is.True, "The active file should still be known to be decryptable with the original passphrase.");
}
public static void TestCheckActiveFilesIsNotLocked()
{
DateTime utcNow = OS.Current.UtcNow;
DateTime utcYesterday = utcNow.AddDays(-1);
FakeRuntimeFileInfo.AddFile(_encryptedFile1, utcNow, utcNow, utcNow, Stream.Null);
FakeRuntimeFileInfo.AddFile(_decryptedFile1, utcYesterday, utcYesterday, utcYesterday, Stream.Null);
ActiveFile activeFile = new ActiveFile(OS.Current.FileInfo(_encryptedFile1), OS.Current.FileInfo(_decryptedFile1), new AesKey(), ActiveFileStatus.NotDecrypted, null);
SetupAssembly.FakeRuntimeEnvironment.TimeFunction = (() => { return(utcNow.AddMinutes(10)); });
bool changedWasRaised = false;
_fileSystemState.Add(activeFile);
_fileSystemState.Changed += ((object sender, ActiveFileChangedEventArgs e) =>
{
changedWasRaised = true;
});
_fileSystemState.CheckActiveFiles(ChangedEventMode.RaiseOnlyOnModified, new ProgressContext());
Assert.That(changedWasRaised, Is.True, "The file should be detected as decrypted being created.");
}
