private bool ExecuteUninstallTask()
{
UpdateStatus(TaskExecutionStatus.Uninstall);
// Get files, affected by install
UpdateStatus(TaskExecutionStatus.UninstallGetAffectedFiles);
var affectedFiles = _persistenceService.GetAffectedFiles(Task.ModID);
if (!affectedFiles.AnySafe())
{
return(true);
}
// Delete files
UpdateStatus(TaskExecutionStatus.UninstallDeleteFiles);
foreach (string file in affectedFiles)
{
if (IsAbortPending)
{
TaskAborted?.Invoke(this, new TaskEventArgs(Task));
return(false);
}
if (File.Exists(file))
{
File.Delete(file);
}
UpdateStatus(Progress + 100.0 / affectedFiles.Length);
}
// Restore backups
UpdateStatus(TaskExecutionStatus.UninstallRestoreBackups);
_backupService.RestoreAll(Task.ModID);
// Store results
UpdateStatus(TaskExecutionStatus.UninstallStoreResults);
_persistenceService.RecordUninstall(Task.ModID);
#if !DEBUG
// Submit results
UpdateStatus(TaskExecutionStatus.UninstallSubmitResults);
_apiService.ReportSuccessfulExecution(Task.ModID, TaskType.Uninstall);
#endif
return(true);
}
private ModInstallationState ExecuteVerifyTask()
{
UpdateStatus(TaskExecutionStatus.Verify);
// Get files affected by install
UpdateStatus(TaskExecutionStatus.VerifyGetAffectedFiles);
var affectedFiles = _persistenceService.GetAffectedFiles(Task.FileId);
if (!affectedFiles.AnySafe())
{
return(ModInstallationState.NotInstalled);
}
// Normalize affected files
if (affectedFiles.Length > 1)
{
affectedFiles = affectedFiles.ToArray();
}
affectedFiles = affectedFiles.Select(f => f.Replace("\\", "/")).ToArray();
// Verify files
UpdateStatus(TaskExecutionStatus.VerifyExecute);
foreach (var file in affectedFiles)
{
if (IsAbortPending)
{
TaskAborted?.Invoke(this, new TaskEventArgs(Task));
return(ModInstallationState.Unknown);
}
if (file.IsBlank())
{
return(ModInstallationState.Corrupt);
}
// Check if exists
if (!File.Exists(file))
{
return(ModInstallationState.Corrupt);
}
UpdateStatus(Progress + 100.0 / affectedFiles.Length);
}
// All checks passed => installed
return(ModInstallationState.Installed);
}
private bool ExecuteInstallTask()
{
UpdateStatus(TaskExecutionStatus.Install);
// Get mod info
UpdateStatus(TaskExecutionStatus.InstallGetModInfo);
var modInfo = _apiService.GetModInfo(Task.ModID);
if (modInfo == null)
{
return(false);
}
// Reset everything
_fileChanges.Clear();
// Download archive
UpdateStatus(TaskExecutionStatus.InstallDownload);
var downloadedFile = _webService.Download(modInfo.DownloadURL, FileSystem.CreateTempFile($"Mod_{modInfo.ModID}"));
if (downloadedFile == null)
{
return(false);
}
if (IsAbortPending)
{
TaskAborted?.Invoke(this, new TaskEventArgs(Task));
return(false);
}
// Unpack archive
UpdateStatus(TaskExecutionStatus.InstallUnpack);
string unpackedDir = FileSystem.CreateTempDirectory($"Mod_{modInfo.ModID}");
_aliasService.Set(new InternalAlias(InternalAliasKeyword.ArchiveExtractedDirectory, unpackedDir));
_archivingService.ExtractFiles(downloadedFile.FullName, unpackedDir);
if (!Directory.Exists(unpackedDir))
{
return(false);
}
if (IsAbortPending)
{
TaskAborted?.Invoke(this, new TaskEventArgs(Task));
return(false);
}
// Get commands
UpdateStatus(TaskExecutionStatus.InstallExecute);
var commands = _apiService.GetInstallationCommands(modInfo.ModID);
string commandContextID = modInfo.ModID; // can be improved later
// Execute commands
foreach (var command in commands)
{
if (IsAbortPending)
{
TaskAborted?.Invoke(this, new TaskEventArgs(Task));
return(false);
}
bool success = _commandExecutionService.ExecuteCommand(command, commandContextID);
if (!success)
{
#if !DEBUG
_windowService.ShowErrorWindowAsync(Localization.Current.Task_CommandExecutionFailed).GetResult();
return(false);
#endif
}
UpdateStatus(Progress + 100.0 / commands.Count);
}
// Clear local aliases
_aliasService.Clear(commandContextID);
// Store results
UpdateStatus(TaskExecutionStatus.InstallStoreResults);
_persistenceService.RecordInstall(commandContextID, _fileChanges.ToArray());
#if !DEBUG
// Submit results
UpdateStatus(TaskExecutionStatus.InstallSubmitResults);
_apiService.ReportSuccessfulExecution(Task.ModID, TaskType.Install);
#endif
return(true);
}
private ModInstallationState ExecuteVerifyTask()
{
UpdateStatus(TaskExecutionStatus.Verify);
// Get files affected by install
UpdateStatus(TaskExecutionStatus.VerifyGetAffectedFiles);
var affectedFiles = _persistenceService.GetAffectedFiles(Task.ModID);
if (!affectedFiles.AnySafe())
{
return(ModInstallationState.NotInstalled);
}
// Normalize affected files
if (affectedFiles.Length > 1)
{
affectedFiles = affectedFiles.StripCommonStart().ToArray();
}
affectedFiles = affectedFiles.Select(f => f.Replace("\\", "/")).ToArray();
// Get verification pairs
UpdateStatus(TaskExecutionStatus.VerifyGetVerificationPairs);
var verificationPairs = _apiService.GetVerificationPairs(Task.ModID);
// Verify files
UpdateStatus(TaskExecutionStatus.VerifyExecute);
foreach (var verificationPair in verificationPairs)
{
if (IsAbortPending)
{
TaskAborted?.Invoke(this, new TaskEventArgs(Task));
return(ModInstallationState.Unknown);
}
// Get file in question
string file = affectedFiles
.Where(f => f.ContainsInvariant(verificationPair.File))
.OrderBy(f => f.Length)
.FirstOrDefault();
if (file.IsBlank())
{
return(ModInstallationState.Corrupt);
}
// Check if exists
if (!File.Exists(file))
{
return(ModInstallationState.Corrupt);
}
// Compare hashes
if (!Ext.CompareFileHash(file, verificationPair.Hash))
{
return(ModInstallationState.Corrupt);
}
UpdateStatus(Progress + 100.0 / verificationPairs.Count);
}
// All checks passed => installed
return(ModInstallationState.Installed);
}
private bool ExecuteInstallTask()
{
UpdateStatus(TaskExecutionStatus.Install);
// Get mod info
UpdateStatus(TaskExecutionStatus.InstallGetModInfo);
var modInfo = _apiService.GetModInfo(Task.Identifier);
if (modInfo == null)
{
return(false);
}
// Reset everything
_fileChanges.Clear();
// Retrieve file info
var fileInfo = _apiService.GetFileInfo(modInfo.FileId);
// Download archive
UpdateStatus(TaskExecutionStatus.InstallDownload);
var downloadedFileContainer = _webService.Download(fileInfo.DownloadUrl, FileSystem.CreateTempFile($"Mod_{modInfo.FileId}"));
if (downloadedFileContainer == null)
{
_windowService.ShowErrorWindowAsync(Localization.Current.Task_Install_Download_Failed).GetResult();
return(false);
}
var contentType = downloadedFileContainer.ResponseHeaders[HttpResponseHeader.ContentType];
var downloadedFile = downloadedFileContainer.FileInfo;
if (IsAbortPending)
{
TaskAborted?.Invoke(this, new TaskEventArgs(Task));
return(false);
}
// Unpack archive
UpdateStatus(TaskExecutionStatus.InstallUnpack);
string unpackedDir = FileSystem.CreateTempDirectory($"Mod_{modInfo.FileId}");
_aliasService.Set(new InternalAlias(InternalAliasKeyword.ArchiveExtractedDirectory, unpackedDir));
var extractSuccess = _archivingService.ExtractFiles(downloadedFile.FullName, unpackedDir);
if (!extractSuccess || !Directory.Exists(unpackedDir))
{
// Note: RAR5 supported now, but might be useful for future formats
//if ("application/x-rar-compressed".Equals(contentType))
//{
// _windowService.ShowErrorWindowAsync(Localization.Current.Task_Install_Unpack_Failed_RAR5).GetResult();
//}
//else
//{
_windowService.ShowErrorWindowAsync(Localization.Current.Task_Install_Unpack_Failed).GetResult();
//}
return(false);
}
if (IsAbortPending)
{
TaskAborted?.Invoke(this, new TaskEventArgs(Task));
return(false);
}
// Get commands
UpdateStatus(TaskExecutionStatus.InstallExecute);
var commands = fileInfo.InstallationCommands;
string commandContextID = modInfo.FileId; // can be improved later
// If we aren't copying files, we probably don't have an installation scheme for this type of submission
if (!commands.Any(c => CommandType.Copy.Equals(c.Type)))
{
_windowService.ShowErrorWindowAsync(Localization.Current.Task_UnknownInstallationProcess).GetResult();
return(false);
}
// Execute commands
foreach (var command in commands)
{
if (IsAbortPending)
{
TaskAborted?.Invoke(this, new TaskEventArgs(Task));
return(false);
}
bool success = _commandExecutionService.ExecuteCommand(command, commandContextID);
if (!success)
{
#if !DEBUG
_windowService.ShowErrorWindowAsync(Localization.Current.Task_CommandExecutionFailed).GetResult();
return(false);
#endif
}
UpdateStatus(Progress + 100.0 / commands.Count);
}
// Clear local aliases
_aliasService.Clear(commandContextID);
// Store results
UpdateStatus(TaskExecutionStatus.InstallStoreResults);
_persistenceService.RecordInstall(modInfo.Identifier, _fileChanges.ToArray());
return(true);
}
