/// <summary>
/// Enumerate all files listed as active, checking for status changes and take appropriate actions such as updating status
/// in the FileSystemState, re-encrypting or deleting temporary plaintext copies.
/// </summary>
/// <param name="fileSystemState">The FileSystemState to enumerate and possibly update.</param>
/// <param name="mode">Under what circumstances is the FileSystemState.Changed event raised.</param>
/// <param name="progress">The ProgressContext to provide visual progress feedback via.</param>
public static void CheckActiveFiles(this FileSystemState fileSystemState, ChangedEventMode mode, ProgressContext progress)
{
progress.NotifyLevelStart();
progress.AddTotal(fileSystemState.ActiveFileCount);
fileSystemState.ForEach(mode, (ActiveFile activeFile) =>
{
try
{
if (FileLock.IsLocked(activeFile.DecryptedFileInfo, activeFile.EncryptedFileInfo))
{
return(activeFile);
}
if (OS.Current.UtcNow - activeFile.LastActivityTimeUtc <= new TimeSpan(0, 0, 5))
{
return(activeFile);
}
activeFile = fileSystemState.CheckActiveFileActions(activeFile, progress);
return(activeFile);
}
finally
{
progress.AddCount(1);
}
});
progress.NotifyLevelFinished();
}
public static void CheckWatchedFolders(this FileSystemState fileSystemState, ProgressContext progress)
{
if (fileSystemState == null)
{
throw new ArgumentNullException("fileSystemState");
}
AesKey encryptionKey = fileSystemState.KnownKeys.DefaultEncryptionKey;
if (encryptionKey == null)
{
return;
}
IEnumerable <IRuntimeFileInfo> files = fileSystemState.DecryptedFilesInWatchedFolders();
progress.NotifyLevelStart();
try
{
progress.AddTotal(files.Count());
foreach (IRuntimeFileInfo fileInfo in files)
{
IRuntimeFileInfo destinationFileInfo = fileInfo.CreateEncryptedName();
AxCryptFile.EncryptFileWithBackupAndWipe(fileInfo, destinationFileInfo, encryptionKey, progress);
progress.AddCount(1);
}
}
finally
{
progress.NotifyLevelFinished();
}
}
/// <summary>
/// Try do delete files that have been decrypted temporarily, if the conditions are met for such a deletion,
/// i.e. it is apparently not locked or in use etc.
/// </summary>
/// <param name="fileSystemState">The instance of FileSystemState where active files are recorded.</param>
/// <param name="progress">The context where progress may be reported.</param>
public static void PurgeActiveFiles(this FileSystemState fileSystemState, ProgressContext progress)
{
progress.NotifyLevelStart();
fileSystemState.ForEach(ChangedEventMode.RaiseOnlyOnModified, (ActiveFile activeFile) =>
{
if (FileLock.IsLocked(activeFile.DecryptedFileInfo))
{
if (OS.Log.IsInfoEnabled)
{
OS.Log.LogInfo("Not deleting '{0}' because it is marked as locked.".InvariantFormat(activeFile.DecryptedFileInfo.FullName));
}
return(activeFile);
}
if (activeFile.IsModified)
{
if (activeFile.Status.HasMask(ActiveFileStatus.NotShareable))
{
activeFile = new ActiveFile(activeFile, activeFile.Status & ~ActiveFileStatus.NotShareable);
}
activeFile = CheckIfTimeToUpdate(activeFile, progress);
}
if (activeFile.Status.HasMask(ActiveFileStatus.AssumedOpenAndDecrypted))
{
activeFile = TryDelete(activeFile, progress);
}
return(activeFile);
});
progress.NotifyLevelFinished();
}
public SessionNotificationHandler(FileSystemState fileSystemState, KnownIdentities knownIdentities, ActiveFileAction activeFileAction, AxCryptFile axCryptFile, IStatusChecker statusChecker)
{
_fileSystemState = fileSystemState;
_knownIdentities = knownIdentities;
_activeFileAction = activeFileAction;
_axCryptFile = axCryptFile;
_statusChecker = statusChecker;
}
public void EndInit()
{
if (DesignMode)
{
return;
}
Current = new FileSystemState();
}
private static ActiveFile CheckActiveFileActions(this FileSystemState fileSystemState, ActiveFile activeFile, ProgressContext progress)
{
activeFile = CheckIfKeyIsKnown(fileSystemState, activeFile);
activeFile = CheckIfCreated(activeFile);
activeFile = CheckIfProcessExited(activeFile);
activeFile = CheckIfTimeToUpdate(activeFile, progress);
activeFile = CheckIfTimeToDelete(activeFile, progress);
return(activeFile);
}
/// <summary>
/// Enumerate all apparently plaintext files in the list of watched folders.
/// </summary>
/// <param name="fileSystemState">The associated <see cref="FileSystemState"/>.</param>
/// <returns>An enumeration of found files.</returns>
public static IEnumerable <IRuntimeFileInfo> DecryptedFilesInWatchedFolders(this FileSystemState fileSystemState)
{
IEnumerable <IRuntimeFileInfo> newFiles = new List <IRuntimeFileInfo>();
foreach (WatchedFolder watchedFolder in fileSystemState.WatchedFolders)
{
IRuntimeFileInfo fileInfo = OS.Current.FileInfo(watchedFolder.Path);
newFiles = newFiles.Concat(fileInfo.Files);
}
return(newFiles.Where((IRuntimeFileInfo fileInfo) => { return !fileInfo.Name.IsEncryptedName(); }));
}
public static void Setup()
{
SetupAssembly.AssemblySetup();
FakeRuntimeFileInfo.AddFile(_davidCopperfieldTxtPath, FakeRuntimeFileInfo.TestDate4Utc, FakeRuntimeFileInfo.TestDate5Utc, FakeRuntimeFileInfo.TestDate6Utc, FakeRuntimeFileInfo.ExpandableMemoryStream(Encoding.GetEncoding(1252).GetBytes(Resources.david_copperfield)));
FakeRuntimeFileInfo.AddFile(_uncompressedAxxPath, FakeRuntimeFileInfo.ExpandableMemoryStream(Resources.uncompressable_zip));
FakeRuntimeFileInfo.AddFile(_helloWorldAxxPath, FakeRuntimeFileInfo.ExpandableMemoryStream(Resources.helloworld_key_a_txt));
_fileSystemState = new FileSystemState();
_fileSystemState.Load(FileSystemState.DefaultPathInfo);
}
public static void Setup()
{
SetupAssembly.AssemblySetup();
FakeRuntimeFileInfo.AddFile(_testTextPath, FakeRuntimeFileInfo.TestDate1Utc, FakeRuntimeFileInfo.TestDate2Utc, FakeRuntimeFileInfo.TestDate1Utc, FakeRuntimeFileInfo.ExpandableMemoryStream(Encoding.UTF8.GetBytes("This is a short file")));
FakeRuntimeFileInfo.AddFile(_davidCopperfieldTxtPath, FakeRuntimeFileInfo.TestDate4Utc, FakeRuntimeFileInfo.TestDate5Utc, FakeRuntimeFileInfo.TestDate6Utc, FakeRuntimeFileInfo.ExpandableMemoryStream(Encoding.GetEncoding(1252).GetBytes(Resources.david_copperfield)));
FakeRuntimeFileInfo.AddFile(_uncompressedAxxPath, FakeRuntimeFileInfo.ExpandableMemoryStream(Resources.uncompressable_zip));
FakeRuntimeFileInfo.AddFile(_helloWorldAxxPath, FakeRuntimeFileInfo.ExpandableMemoryStream(Resources.helloworld_key_a_txt));
_fileSystemState = new FileSystemState();
_fileSystemState.Load(OS.Current.FileInfo(Path.Combine(Path.GetTempPath(), "FileSystemState.xml")));
}
public void Load(IRuntimeFileInfo path)
{
if (path == null)
{
throw new ArgumentNullException("path");
}
if (!path.Exists)
{
_path = path.FullName;
if (OS.Log.IsInfoEnabled)
{
OS.Log.LogInfo("No existing FileSystemState. Save location is '{0}'.".InvariantFormat(_path));
}
return;
}
DataContractSerializer serializer = CreateSerializer();
IRuntimeFileInfo loadInfo = OS.Current.FileInfo(path.FullName);
using (Stream fileSystemStateStream = loadInfo.OpenRead())
{
FileSystemState fileSystemState;
try
{
fileSystemState = (FileSystemState)serializer.ReadObject(fileSystemStateStream);
}
catch (Exception ex)
{
if (OS.Log.IsErrorEnabled)
{
OS.Log.LogError("Exception {1} reading {0}. Ignoring and re-initializing state.".InvariantFormat(path.FullName, ex.Message));
}
fileSystemState = new FileSystemState();
}
_path = path.FullName;
foreach (ActiveFile activeFile in fileSystemState.ActiveFiles)
{
Add(activeFile);
}
KnownKeys = fileSystemState.KnownKeys;
KeyWrapIterations = fileSystemState.KeyWrapIterations;
ThumbprintSalt = fileSystemState.ThumbprintSalt;
WatchedFolders = fileSystemState.WatchedFolders;
if (OS.Log.IsInfoEnabled)
{
OS.Log.LogInfo("Loaded FileSystemState from '{0}'.".InvariantFormat(fileSystemState._path));
}
}
}
public static void RemoveRecentFiles(this FileSystemState fileSystemState, IEnumerable <string> encryptedPaths, ProgressContext progress)
{
progress.NotifyLevelStart();
progress.AddTotal(encryptedPaths.Count());
foreach (string encryptedPath in encryptedPaths)
{
ActiveFile activeFile = fileSystemState.FindEncryptedPath(encryptedPath);
if (activeFile != null)
{
fileSystemState.Remove(activeFile);
}
progress.AddCount(1);
}
fileSystemState.Save();
progress.NotifyLevelFinished();
}
public static void TestArgumentNull()
{
using (FileSystemState state = new FileSystemState())
{
ActiveFile nullActiveFile = null;
string nullPath = null;
Func<ActiveFile, ActiveFile> nullAction = null;
IRuntimeFileInfo nullFileInfo = null;
Assert.Throws<ArgumentNullException>(() => { state.Remove(nullActiveFile); });
Assert.Throws<ArgumentNullException>(() => { state.Add(nullActiveFile); });
Assert.Throws<ArgumentNullException>(() => { state.FindEncryptedPath(nullPath); });
Assert.Throws<ArgumentNullException>(() => { state.FindDecryptedPath(nullPath); });
Assert.Throws<ArgumentNullException>(() => { state.ForEach(ChangedEventMode.RaiseAlways, nullAction); });
Assert.Throws<ArgumentNullException>(() => { state.Load(nullFileInfo); });
}
}
protected override void Dispose(bool disposing)
{
if (_disposed)
{
return;
}
if (disposing)
{
if (Current != null)
{
Current.Dispose();
Current = null;
}
}
_disposed = true;
base.Dispose(disposing);
}
private static ActiveFile CheckIfKeyIsKnown(FileSystemState fileSystemState, ActiveFile activeFile)
{
if ((activeFile.Status & (ActiveFileStatus.AssumedOpenAndDecrypted | ActiveFileStatus.DecryptedIsPendingDelete | ActiveFileStatus.NotDecrypted)) == 0)
{
return(activeFile);
}
if (activeFile.Key != null)
{
return(activeFile);
}
foreach (AesKey key in fileSystemState.KnownKeys.Keys)
{
if (activeFile.ThumbprintMatch(key))
{
activeFile = new ActiveFile(activeFile, key);
}
return(activeFile);
}
return(activeFile);
}
/// <summary>
/// For each active file, check if provided key matches the thumbprint of an active file that does not yet have
/// a known key. If so, update the active file with the now known key.
/// </summary>
/// <param name="fileSystemState">The FileSystemState that contains the list of active files.</param>
/// <param name="key">The newly added key to check the files for a match with.</param>
/// <returns>True if any file was updated with the new key, False otherwise.</returns>
public static bool UpdateActiveFileWithKeyIfKeyMatchesThumbprint(this FileSystemState fileSystemState, AesKey key)
{
bool keyMatch = false;
fileSystemState.ForEach(ChangedEventMode.RaiseOnlyOnModified, (ActiveFile activeFile) =>
{
if (activeFile.Key != null)
{
return(activeFile);
}
if (!activeFile.ThumbprintMatch(key))
{
return(activeFile);
}
keyMatch = true;
activeFile = new ActiveFile(activeFile, key);
return(activeFile);
});
return(keyMatch);
}
public static FileSystemState Create(IDataStore path)
{
if (path == null)
{
throw new ArgumentNullException("path");
}
if (path.IsAvailable)
{
return(CreateFileSystemState(path));
}
FileSystemState fileSystemState = new FileSystemState()
{
_dataStore = path,
};
if (Resolve.Log.IsInfoEnabled)
{
Resolve.Log.LogInfo("No existing FileSystemState. Save location is '{0}'.".InvariantFormat(path.FullName));
}
return(fileSystemState);
}
private static FileSystemState CreateFileSystemState(IDataStore path)
{
FileSystemState fileSystemState = null;
try
{
fileSystemState = Resolve.Serializer.Deserialize <FileSystemState>(path);
if (fileSystemState == null)
{
if (Resolve.Log.IsErrorEnabled)
{
Resolve.Log.LogError("Empty {0}. Ignoring and re-initializing state.".InvariantFormat(path.FullName));
}
}
else
{
if (Resolve.Log.IsInfoEnabled)
{
Resolve.Log.LogInfo("Loaded FileSystemState from '{0}'.".InvariantFormat(path));
}
}
}
catch (Exception ex)
{
New <IReport>().Exception(ex);
if (Resolve.Log.IsErrorEnabled)
{
Resolve.Log.LogError("Exception {1} reading {0}. Ignoring and re-initializing state.".InvariantFormat(path.FullName, ex.Message));
}
}
if (fileSystemState == null)
{
fileSystemState = new FileSystemState();
}
fileSystemState._dataStore = path;
return(fileSystemState);
}
public static void TestWatchedFolders()
{
using (FileSystemState state = new FileSystemState())
{
IRuntimeFileInfo stateInfo = OS.Current.FileInfo(_mystateXmlPath);
state.Load(stateInfo);
Assert.That(state.WatchedFolders, Is.Not.Null, "There should be a Watched Folders instance.");
Assert.That(state.WatchedFolders.Count(), Is.EqualTo(0), "There should be no Watched folders.");
state.AddWatchedFolder(new WatchedFolder(_rootPath));
Assert.That(state.WatchedFolders.Count(), Is.EqualTo(1), "There should be one Watched Folder.");
state.AddWatchedFolder(new WatchedFolder(_rootPath));
Assert.That(state.WatchedFolders.Count(), Is.EqualTo(1), "There should still only be one Watched Folder.");
state.Save();
}
using (FileSystemState state = new FileSystemState())
{
IRuntimeFileInfo stateInfo = OS.Current.FileInfo(_mystateXmlPath);
state.Load(stateInfo);
Assert.That(state.WatchedFolders.Count(), Is.EqualTo(1), "There should be one Watched Folder.");
Assert.That(state.WatchedFolders.First(), Is.EqualTo(new WatchedFolder(_rootPath)), "The Watched Folder should be equal to this.");
state.RemoveWatchedFolder(new WatchedFolder(_mystateXmlPath));
Assert.That(state.WatchedFolders.Count(), Is.EqualTo(1), "There should still be one Watched folders.");
state.RemoveWatchedFolder(new WatchedFolder(_rootPath));
Assert.That(state.WatchedFolders.Count(), Is.EqualTo(0), "There should still be no Watched folders now.");
}
}
public static void TestLoadNew()
{
using (FileSystemState state = new FileSystemState())
{
state.Load(OS.Current.FileInfo(_mystateXmlPath));
Assert.That(state, Is.Not.Null, "An instance should always be instantiated.");
Assert.That(state.ActiveFiles.Count(), Is.EqualTo(0), "A new state should not have any active files.");
}
}
public static void TestStatusMaskAtLoad()
{
using (FileSystemState state = new FileSystemState())
{
state.Load(OS.Current.FileInfo(_mystateXmlPath));
ActiveFile activeFile = new ActiveFile(OS.Current.FileInfo(_encryptedAxxPath), OS.Current.FileInfo(_decryptedTxtPath), new AesKey(), ActiveFileStatus.AssumedOpenAndDecrypted | ActiveFileStatus.Error | ActiveFileStatus.IgnoreChange | ActiveFileStatus.NotShareable, null);
state.Add(activeFile);
state.Save();
FileSystemState reloadedState = new FileSystemState();
reloadedState.Load(OS.Current.FileInfo(_mystateXmlPath));
Assert.That(reloadedState, Is.Not.Null, "An instance should always be instantiated.");
Assert.That(reloadedState.ActiveFiles.Count(), Is.EqualTo(1), "The reloaded state should have one active file.");
Assert.That(reloadedState.ActiveFiles.First().Status, Is.EqualTo(ActiveFileStatus.AssumedOpenAndDecrypted), "When reloading saved state, some statuses should be masked away.");
}
}
public static void TestInvalidXml()
{
string badXml = @"<FileSystemState xmlns=""http://www.axantum.com/Serialization/"" xmlns:i=""http://www.w3.org/2001/XMLSchema-instance"">";
IRuntimeFileInfo stateInfo = OS.Current.FileInfo(_mystateXmlPath);
using (Stream stream = stateInfo.OpenWrite())
{
byte[] bytes = Encoding.UTF8.GetBytes(badXml);
stream.Write(bytes, 0, bytes.Length);
}
using (FileSystemState state = new FileSystemState())
{
Assert.DoesNotThrow(() => state.Load(stateInfo));
Assert.That(state.ActiveFileCount, Is.EqualTo(0), "After loading damaged state, the count should be zero.");
ActiveFile decryptedFile1 = new ActiveFile(OS.Current.FileInfo(_encryptedAxxPath), OS.Current.FileInfo(_decryptedTxtPath), new AesKey(), ActiveFileStatus.AssumedOpenAndDecrypted, null);
state.Add(decryptedFile1);
Assert.That(state.ActiveFileCount, Is.EqualTo(1), "After adding a file, the count should be one.");
}
}
public static void TestLoadExisting()
{
ActiveFile activeFile;
using (FileSystemState state = new FileSystemState())
{
state.Load(OS.Current.FileInfo(_mystateXmlPath));
Assert.That(state, Is.Not.Null, "An instance should always be instantiated.");
Assert.That(state.ActiveFiles.Count(), Is.EqualTo(0), "A new state should not have any active files.");
activeFile = new ActiveFile(OS.Current.FileInfo(_encryptedAxxPath), OS.Current.FileInfo(_decryptedTxtPath), new AesKey(), ActiveFileStatus.AssumedOpenAndDecrypted, null);
state.Add(activeFile);
state.Save();
}
using (FileSystemState reloadedState = new FileSystemState())
{
reloadedState.Load(OS.Current.FileInfo(_mystateXmlPath));
Assert.That(reloadedState, Is.Not.Null, "An instance should always be instantiated.");
Assert.That(reloadedState.ActiveFiles.Count(), Is.EqualTo(1), "The reloaded state should have one active file.");
Assert.That(reloadedState.ActiveFiles.First().ThumbprintMatch(activeFile.Key), Is.True, "The reloaded thumbprint should match the key.");
}
}
public static void TestFindEncryptedAndDecryptedPath()
{
using (FileSystemState state = new FileSystemState())
{
state.Load(OS.Current.FileInfo(_mystateXmlPath));
ActiveFile activeFile = new ActiveFile(OS.Current.FileInfo(_encryptedAxxPath), OS.Current.FileInfo(_decryptedTxtPath), new AesKey(), ActiveFileStatus.AssumedOpenAndDecrypted | ActiveFileStatus.Error | ActiveFileStatus.IgnoreChange | ActiveFileStatus.NotShareable, null);
state.Add(activeFile);
ActiveFile byDecryptedPath = state.FindDecryptedPath(_decryptedTxtPath);
Assert.That(byDecryptedPath, Is.EqualTo(activeFile), "The search should return the same instance.");
ActiveFile byEncryptedPath = state.FindEncryptedPath(_encryptedAxxPath);
Assert.That(byEncryptedPath, Is.EqualTo(byDecryptedPath), "The search should return the same instance.");
ActiveFile notFoundEncrypted = state.FindEncryptedPath(Path.Combine(_rootPath, "notfoundfile.txt"));
Assert.That(notFoundEncrypted, Is.Null, "A search that does not succeed should return null.");
ActiveFile notFoundDecrypted = state.FindDecryptedPath(Path.Combine(_rootPath, "notfoundfile.txt"));
Assert.That(notFoundDecrypted, Is.Null, "A search that does not succeed should return null.");
}
}
public static void TestForEach()
{
bool changedEventWasRaised = false;
using (FileSystemState state = new FileSystemState())
{
state.Load(OS.Current.FileInfo(_mystateXmlPath));
state.Changed += ((object sender, ActiveFileChangedEventArgs e) =>
{
changedEventWasRaised = true;
});
ActiveFile activeFile;
activeFile = new ActiveFile(OS.Current.FileInfo(_encrypted1AxxPath), OS.Current.FileInfo(_decrypted1TxtPath), new AesKey(), ActiveFileStatus.AssumedOpenAndDecrypted | ActiveFileStatus.Error | ActiveFileStatus.IgnoreChange | ActiveFileStatus.NotShareable, null);
state.Add(activeFile);
activeFile = new ActiveFile(OS.Current.FileInfo(_encrypted2AxxPath), OS.Current.FileInfo(_decrypted2TxtPath), new AesKey(), ActiveFileStatus.AssumedOpenAndDecrypted | ActiveFileStatus.Error | ActiveFileStatus.IgnoreChange | ActiveFileStatus.NotShareable, null);
state.Add(activeFile);
activeFile = new ActiveFile(OS.Current.FileInfo(_encrypted3AxxPath), OS.Current.FileInfo(_decrypted3TxtPath), new AesKey(), ActiveFileStatus.AssumedOpenAndDecrypted | ActiveFileStatus.Error | ActiveFileStatus.IgnoreChange | ActiveFileStatus.NotShareable, null);
state.Add(activeFile);
Assert.That(changedEventWasRaised, Is.True, "The change event should have been raised by the adding of active files.");
changedEventWasRaised = false;
Assert.That(state.ActiveFiles.Count(), Is.EqualTo(3), "There should be three.");
int i = 0;
state.ForEach(ChangedEventMode.RaiseOnlyOnModified, (ActiveFile activeFileArgument) =>
{
++i;
return activeFileArgument;
});
Assert.That(i, Is.EqualTo(3), "The iteration should have visited three active files.");
Assert.That(changedEventWasRaised, Is.False, "No change event should have been raised.");
i = 0;
state.ForEach(ChangedEventMode.RaiseAlways, (ActiveFile activeFileArgument) =>
{
++i;
return activeFileArgument;
});
Assert.That(i, Is.EqualTo(3), "The iteration should have visited three active files.");
Assert.That(changedEventWasRaised, Is.True, "The change event should have been raised.");
changedEventWasRaised = false;
i = 0;
state.ForEach(ChangedEventMode.RaiseAlways, (ActiveFile activeFileArgument) =>
{
++i;
return new ActiveFile(activeFileArgument, activeFile.Status | ActiveFileStatus.Error);
});
Assert.That(i, Is.EqualTo(3), "The iteration should have visited three active files.");
Assert.That(changedEventWasRaised, Is.True, "The change event should have been raised.");
}
}
/// <summary>
/// Create a new instance, reporting progress
/// </summary>
/// <param name="fileSystemState">The current FileSystemStatem instance</param>
/// <param name="progress">The instance of ProgressContext to report progress via</param>
public FileOperationsController(FileSystemState fileSystemState, ProgressContext progress)
{
_eventArgs = new FileOperationEventArgs();
_fileSystemState = fileSystemState;
_progress = progress;
}
/// <summary>
/// Create a new instance, without any progress reporting.
/// </summary>
/// <param name="fileSystemState">The current FileSystemStatem instance</param>
public FileOperationsController(FileSystemState fileSystemState)
: this(fileSystemState, new ProgressContext())
{
}
public void Load(IRuntimeFileInfo path)
{
if (path == null)
{
throw new ArgumentNullException("path");
}
if (!path.Exists)
{
_path = path.FullName;
if (OS.Log.IsInfoEnabled)
{
OS.Log.LogInfo("No existing FileSystemState. Save location is '{0}'.".InvariantFormat(_path));
}
return;
}
DataContractSerializer serializer = CreateSerializer();
IRuntimeFileInfo loadInfo = OS.Current.FileInfo(path.FullName);
using (Stream fileSystemStateStream = loadInfo.OpenRead())
{
FileSystemState fileSystemState;
try
{
fileSystemState = (FileSystemState)serializer.ReadObject(fileSystemStateStream);
}
catch (Exception ex)
{
if (OS.Log.IsErrorEnabled)
{
OS.Log.LogError("Exception {1} reading {0}. Ignoring and re-initializing state.".InvariantFormat(path.FullName, ex.Message));
}
fileSystemState = new FileSystemState();
}
_path = path.FullName;
foreach (ActiveFile activeFile in fileSystemState.ActiveFiles)
{
Add(activeFile);
}
KnownKeys = fileSystemState.KnownKeys;
KeyWrapIterations = fileSystemState.KeyWrapIterations;
ThumbprintSalt = fileSystemState.ThumbprintSalt;
WatchedFolders = fileSystemState.WatchedFolders;
if (OS.Log.IsInfoEnabled)
{
OS.Log.LogInfo("Loaded FileSystemState from '{0}'.".InvariantFormat(fileSystemState._path));
}
}
}
private static ActiveFile CheckIfKeyIsKnown(FileSystemState fileSystemState, ActiveFile activeFile)
{
if ((activeFile.Status & (ActiveFileStatus.AssumedOpenAndDecrypted | ActiveFileStatus.DecryptedIsPendingDelete | ActiveFileStatus.NotDecrypted)) == 0)
{
return activeFile;
}
if (activeFile.Key != null)
{
return activeFile;
}
foreach (AesKey key in fileSystemState.KnownKeys.Keys)
{
if (activeFile.ThumbprintMatch(key))
{
activeFile = new ActiveFile(activeFile, key);
}
return activeFile;
}
return activeFile;
}
public static void Initialize()
{
fileSystemState = new FileSystemState ();
fileSystemState.Load (FileSystemState.DefaultPathInfo);
OS.Current.KeyWrapIterations = fileSystemState.KeyWrapIterations;
OS.Current.ThumbprintSalt = fileSystemState.ThumbprintSalt;
fileSystemState.KnownKeys.Changed += delegate { OS.Current.NotifyWorkFolderStateChanged(); };
}
public static void TestChangedEvent()
{
using (FileSystemState state = new FileSystemState())
{
state.Load(OS.Current.FileInfo(_mystateXmlPath));
bool wasHere;
state.Changed += new EventHandler<ActiveFileChangedEventArgs>((object sender, ActiveFileChangedEventArgs e) => { wasHere = true; });
ActiveFile activeFile = new ActiveFile(OS.Current.FileInfo(_encryptedAxxPath), OS.Current.FileInfo(_decryptedTxtPath), new AesKey(), ActiveFileStatus.AssumedOpenAndDecrypted, null);
wasHere = false;
state.Add(activeFile);
Assert.That(state.ActiveFiles.Count(), Is.EqualTo(1), "After the Add() the state should have one active file.");
Assert.That(wasHere, Is.True, "After the Add(), the changed event should have been raised.");
wasHere = false;
state.Remove(activeFile);
Assert.That(wasHere, Is.True, "After the Remove(), the changed event should have been raised.");
Assert.That(state.ActiveFiles.Count(), Is.EqualTo(0), "After the Remove() the state should have no active files.");
}
}
public static void TestDecryptedActiveFiles()
{
using (FileSystemState state = new FileSystemState())
{
state.Load(OS.Current.FileInfo(_mystateXmlPath));
ActiveFile decryptedFile1 = new ActiveFile(OS.Current.FileInfo(_encryptedAxxPath), OS.Current.FileInfo(_decryptedTxtPath), new AesKey(), ActiveFileStatus.AssumedOpenAndDecrypted, null);
state.Add(decryptedFile1);
ActiveFile decryptedFile2 = new ActiveFile(OS.Current.FileInfo(_encrypted2AxxPath), OS.Current.FileInfo(_decrypted2TxtPath), new AesKey(), ActiveFileStatus.DecryptedIsPendingDelete, null);
state.Add(decryptedFile2);
ActiveFile notDecryptedFile = new ActiveFile(OS.Current.FileInfo(_encrypted3AxxPath), OS.Current.FileInfo(_decrypted3TxtPath), new AesKey(), ActiveFileStatus.NotDecrypted, null);
state.Add(notDecryptedFile);
ActiveFile errorFile = new ActiveFile(OS.Current.FileInfo(_encrypted4AxxPath), OS.Current.FileInfo(_decrypted4TxtPath), new AesKey(), ActiveFileStatus.Error, null);
state.Add(errorFile);
IList<ActiveFile> decryptedFiles = state.DecryptedActiveFiles;
Assert.That(decryptedFiles.Count, Is.EqualTo(2), "There should be two decrypted files.");
Assert.That(decryptedFiles.Contains(decryptedFile1), "A file marked as AssumedOpenAndDecrypted should be found.");
Assert.That(decryptedFiles.Contains(decryptedFile2), "A file marked as DecryptedIsPendingDelete should be found.");
Assert.That(decryptedFiles.Contains(notDecryptedFile), Is.Not.True, "A file marked as NotDecrypted should not be found.");
}
}
public static void TestDoubleDispose()
{
FileSystemState state = new FileSystemState();
state.Dispose();
Assert.DoesNotThrow(() => { state.Dispose(); });
}
private static FileOperationStatus LaunchApplicationForDocument(FileSystemState fileSystemState, ActiveFile destinationActiveFile)
{
ILauncher process;
try
{
if (OS.Log.IsInfoEnabled)
{
OS.Log.LogInfo("Starting process for '{0}'".InvariantFormat(destinationActiveFile.DecryptedFileInfo.FullName));
}
process = OS.Current.Launch(destinationActiveFile.DecryptedFileInfo.FullName);
if (process.WasStarted)
{
process.Exited += new EventHandler(process_Exited);
}
else
{
if (OS.Log.IsInfoEnabled)
{
OS.Log.LogInfo("Starting process for '{0}' did not start a process, assumed handled by the shell.".InvariantFormat(destinationActiveFile.DecryptedFileInfo.FullName));
}
}
}
catch (Win32Exception w32ex)
{
if (OS.Log.IsErrorEnabled)
{
OS.Log.LogError("Could not launch application for '{0}', Win32Exception was '{1}'.".InvariantFormat(destinationActiveFile.DecryptedFileInfo.FullName, w32ex.Message));
}
return FileOperationStatus.CannotStartApplication;
}
if (OS.Log.IsWarningEnabled)
{
if (process.HasExited)
{
OS.Log.LogWarning("The process seems to exit immediately for '{0}'".InvariantFormat(destinationActiveFile.DecryptedFileInfo.FullName));
}
}
if (OS.Log.IsInfoEnabled)
{
OS.Log.LogInfo("Launched and opened '{0}'.".InvariantFormat(destinationActiveFile.DecryptedFileInfo.FullName));
}
destinationActiveFile = new ActiveFile(destinationActiveFile, ActiveFileStatus.AssumedOpenAndDecrypted, process);
fileSystemState.Add(destinationActiveFile);
fileSystemState.Save();
return FileOperationStatus.Success;
}
