public void UpdaterDeploymentAndIPCWorks()
{
var dto = new NauIpc.NauDto
{
Configs = UpdateManager.Instance.Config,
Tasks = new List <IUpdateTask>
{
new FileUpdateTask {
Description = "Task #1", ExecutionStatus = TaskExecutionStatus.RequiresAppRestart
}
},
AppPath = Process.GetCurrentProcess().MainModule.FileName,
WorkingDirectory = Environment.CurrentDirectory,
RelaunchApplication = false
};
var path = dto.Configs.TempFolder;
if (Directory.Exists(path))
{
FileSystem.DeleteDirectory(path);
}
NauIpc.ExtractUpdaterFromResource(path, dto.Configs.UpdateExecutableName);
var info = new ProcessStartInfo
{
UseShellExecute = true,
WorkingDirectory = Environment.CurrentDirectory,
FileName = Path.Combine(path, dto.Configs.UpdateExecutableName),
Arguments = string.Format(@"""{0}"" -showConsole", dto.Configs.UpdateProcessName)
};
var p = NauIpc.LaunchProcessAndSendDto(dto, info, dto.Configs.UpdateProcessName);
Assert.IsNotNull(p);
p.WaitForExit();
Assert.IsTrue(Directory.Exists(path));
Assert.IsTrue(File.Exists(Path.Combine(path, "Foo.exe")));
Assert.IsTrue(File.Exists(Path.Combine(path, "NAppUpdate.Framework.dll")));
// Cleanup test
FileSystem.DeleteDirectory(path);
}
public void ReinstateIfRestarted()
{
if (!IsAfterRestart())
{
return;
}
lock (UpdatesToApply)
{
NauIpc.NauDto dto = NauIpc.ReadDto(Config.UpdateProcessName);
if (dto == null)
{
return;
}
Config = dto.Configs;
UpdatesToApply = dto.Tasks;
Logger = new Logger(dto.LogItems);
State = UpdateProcessState.AfterRestart;
}
}
private static void PerformUpdates()
{
string syncProcessName = _args.ProcessName;
if (string.IsNullOrEmpty(syncProcessName))
{
throw new ArgumentException("Required command line argument is missing", "ProcessName");
}
Log("Update process name: '{0}'", syncProcessName);
// Load extra assemblies to the app domain, if present
var availableAssemblies = FileSystem.GetFiles(_workingDir, "*.exe|*.dll", SearchOption.TopDirectoryOnly);
foreach (var assemblyPath in availableAssemblies)
{
Log("Loading {0}", assemblyPath);
if (assemblyPath.Equals(Assembly.GetEntryAssembly().Location, StringComparison.InvariantCultureIgnoreCase) || assemblyPath.EndsWith("NAppUpdate.Framework.dll"))
{
Log("\tSkipping (part of current execution)");
continue;
}
try
{
// ReSharper disable UnusedVariable
var assembly = Assembly.LoadFile(assemblyPath);
// ReSharper restore UnusedVariable
}
catch (BadImageFormatException ex)
{
Log("\tSkipping due to an error: {0}", ex.Message);
}
}
// Connect to the named pipe and retrieve the updates list
_dto = NauIpc.ReadDto(syncProcessName);
// Make sure we start updating only once the application has completely terminated
Thread.Sleep(1000); // Let's even wait a bit
bool createdNew;
using (var mutex = new Mutex(false, syncProcessName + "Mutex", out createdNew))
{
try
{
if (!createdNew)
{
mutex.WaitOne();
}
}
catch (AbandonedMutexException)
{
// An abandoned mutex is exactly what we are expecting...
}
finally
{
Log("The application has terminated (as expected)");
_appRunning = false;
}
}
_logger.LogItems.InsertRange(0, _dto.LogItems);
_dto.LogItems = _logger.LogItems;
// Get some required environment variables
string appPath = _dto.AppPath;
string appDir = _dto.WorkingDirectory ?? Path.GetDirectoryName(appPath) ?? string.Empty;
string relaunchAppArgs = _dto.Configs.RelaunchAppArgs;
if (!string.IsNullOrEmpty(_dto.AppPath))
{
_logFilePath = Path.Combine(Path.GetDirectoryName(_dto.AppPath), @"NauUpdate.log"); // now we can log to a more accessible location
}
if (_dto.Tasks == null)
{
throw new Exception("The Task list received in the dto is null");
}
else if (_dto.Tasks.Count == 0)
{
throw new Exception("The Task list received in the dto is empty");
}
Log("Got {0} task objects", _dto.Tasks.Count);
// Perform the actual off-line update process
foreach (var t in _dto.Tasks)
{
Log("Task \"{0}\": {1}", t.Description, t.ExecutionStatus);
if (t.ExecutionStatus != TaskExecutionStatus.RequiresAppRestart && t.ExecutionStatus != TaskExecutionStatus.RequiresPrivilegedAppRestart)
{
Log("\tSkipping");
continue;
}
Exception exception = null;
try
{
Log("\tExecuting...");
t.ExecutionStatus = t.Execute(true);
}
catch (Exception ex)
{
t.ExecutionStatus = TaskExecutionStatus.Failed;
exception = ex;
}
if (t.ExecutionStatus != TaskExecutionStatus.Successful)
{
string taskFailedMessage = string.Format("Update failed, task execution failed, description: {0}, execution status: {1}", t.Description, t.ExecutionStatus);
throw new Exception(taskFailedMessage, exception);
}
}
Log("Finished successfully");
Log("Removing backup folder");
if (Directory.Exists(_dto.Configs.BackupFolder))
{
FileSystem.DeleteDirectory(_dto.Configs.BackupFolder);
}
// Start the application only if requested to do so
if (_dto.RelaunchApplication)
{
Log("Re-launching process {0} with working dir {1}", appPath, appDir);
bool useShellExecute = !_args.ShowConsole;
ProcessStartInfo info = new ProcessStartInfo
{
UseShellExecute = useShellExecute,
WorkingDirectory = appDir,
FileName = appPath,
Arguments = "-nappupdate-afterrestart" + " " + relaunchAppArgs
};
try
{
NauIpc.LaunchProcessAndSendDto(_dto, info, syncProcessName);
_appRunning = true;
}
catch (Exception ex)
{
throw new UpdateProcessFailedException("Unable to relaunch application and/or send DTO", ex);
}
}
}
/// <summary>
/// Starts the updater executable and sends update data to it
/// </summary>
/// <param name="relaunchApplication">true if relaunching the caller application is required; false otherwise</param>
/// <param name="updaterDoLogging">true if the updater writes to a log file; false otherwise</param>
/// <param name="updaterShowConsole">true if the updater shows the console window; false otherwise</param>
/// <returns>True if successful (unless a restart was required</returns>
public void ApplyUpdates(bool relaunchApplication, bool updaterDoLogging, bool updaterShowConsole)
{
if (IsWorking)
{
throw new InvalidOperationException("Another update process is already in progress");
}
lock (UpdatesToApply)
{
using (WorkScope.New(isWorking => IsWorking = isWorking))
{
bool revertToDefaultBackupPath = true;
// Set current directory the the application directory
// this prevents the updater from writing to e.g. c:\windows\system32
// if the process is started by autorun on windows logon.
// ReSharper disable AssignNullToNotNullAttribute
Environment.CurrentDirectory = Path.GetDirectoryName(ApplicationPath);
// ReSharper restore AssignNullToNotNullAttribute
// Make sure the current backup folder is accessible for writing from this process
string backupParentPath = Path.GetDirectoryName(Config.BackupFolder) ?? string.Empty;
if (Directory.Exists(backupParentPath) && PermissionsCheck.HaveWritePermissionsForFolder(backupParentPath))
{
// Remove old backup folder, in case this same folder was used previously,
// and it wasn't removed for some reason
try
{
if (Directory.Exists(Config.BackupFolder))
{
FileSystem.DeleteDirectory(Config.BackupFolder);
}
revertToDefaultBackupPath = false;
}
catch (UnauthorizedAccessException)
{
}
// Attempt to (re-)create the backup folder
try
{
Directory.CreateDirectory(Config.BackupFolder);
if (!PermissionsCheck.HaveWritePermissionsForFolder(Config.BackupFolder))
{
revertToDefaultBackupPath = true;
}
}
catch (UnauthorizedAccessException)
{
// We're having permissions issues with this folder, so we'll attempt
// using a backup in a default location
revertToDefaultBackupPath = true;
}
}
if (revertToDefaultBackupPath)
{
Config._backupFolder = Path.Combine(
Environment.GetFolderPath(Environment.SpecialFolder.ApplicationData),
Config.UpdateProcessName + "UpdateBackups" + DateTime.UtcNow.Ticks);
try
{
Directory.CreateDirectory(Config.BackupFolder);
}
catch (UnauthorizedAccessException ex)
{
// We can't backup, so we abort
throw new UpdateProcessFailedException("Could not create backup folder " + Config.BackupFolder, ex);
}
}
bool runPrivileged = false, hasColdUpdates = false;
State = UpdateProcessState.RollbackRequired;
foreach (var task in UpdatesToApply)
{
IUpdateTask t = task;
task.ProgressDelegate += status => TaskProgressCallback(status, t);
try
{
// Execute the task
task.ExecutionStatus = task.Execute(false);
}
catch (Exception ex)
{
task.ExecutionStatus = TaskExecutionStatus.Failed; // mark the failing task before rethrowing
throw new UpdateProcessFailedException("Update task execution failed: " + task.Description, ex);
}
if (task.ExecutionStatus == TaskExecutionStatus.RequiresAppRestart ||
task.ExecutionStatus == TaskExecutionStatus.RequiresPrivilegedAppRestart)
{
// Record that we have cold updates to run, and if required to run any of them privileged
runPrivileged = runPrivileged || task.ExecutionStatus == TaskExecutionStatus.RequiresPrivilegedAppRestart;
hasColdUpdates = true;
continue;
}
// We are being quite explicit here - only Successful return values are considered
// to be Ok (cold updates are already handled above)
if (task.ExecutionStatus != TaskExecutionStatus.Successful)
{
throw new UpdateProcessFailedException("Update task execution failed: " + task.Description);
}
}
// If an application restart is required
if (hasColdUpdates)
{
var dto = new NauIpc.NauDto
{
Configs = Instance.Config,
Tasks = Instance.UpdatesToApply,
AppPath = ApplicationPath,
WorkingDirectory = Environment.CurrentDirectory,
RelaunchApplication = relaunchApplication,
LogItems = Logger.LogItems,
};
NauIpc.ExtractUpdaterFromResource(Config.TempFolder, Instance.Config.UpdateExecutableName);
var info = new ProcessStartInfo
{
UseShellExecute = true,
WorkingDirectory = Environment.CurrentDirectory,
FileName = Path.Combine(Config.TempFolder, Instance.Config.UpdateExecutableName),
Arguments =
string.Format(@"""{0}"" {1} {2}", Config.UpdateProcessName,
updaterShowConsole ? "-showConsole" : string.Empty,
updaterDoLogging ? "-log" : string.Empty),
};
if (!updaterShowConsole)
{
info.WindowStyle = ProcessWindowStyle.Hidden;
info.CreateNoWindow = true;
}
// If we can't write to the destination folder, then lets try elevating priviledges.
if (runPrivileged || !PermissionsCheck.HaveWritePermissionsForFolder(Environment.CurrentDirectory))
{
info.Verb = "runas";
}
bool createdNew;
_shutdownMutex = new Mutex(true, Config.UpdateProcessName + "Mutex", out createdNew);
try
{
NauIpc.LaunchProcessAndSendDto(dto, info, Config.UpdateProcessName);
}
catch (Exception ex)
{
throw new UpdateProcessFailedException("Could not launch cold update process", ex);
}
Environment.Exit(0);
}
State = UpdateProcessState.AppliedSuccessfully;
UpdatesToApply.Clear();
}
}
}
