GetBackupForOriginal() public static method

public static GetBackupForOriginal ( string path ) : string
path string
return string
示例#1
0
        private void ApplyInstructions(IEnumerable <PatchGroup> patchGroups, ProgressObject po)
        {
            //TODO: Use a different progress tracking system and make the entire patching operation more recoverable and fault-tolerant.
            //TODO: Refactor this method.
            patchGroups = patchGroups.ToList();
            var appInfo      = AppInfo;
            var logger       = Logger;
            var fileProgress = new ProgressObject();

            po.Child.Value = fileProgress;
            var patchProgress = new ProgressObject();

            fileProgress.Child.Value = patchProgress;
            var myAttributesAssembly   = typeof(AppInfo).Assembly;
            var attributesAssemblyName = Path.GetFileName(myAttributesAssembly.Location);
            var history = new List <XmlFileHistory>();

            po.TaskTitle.Value = "Patching Game";
            po.TaskText.Value  = appInfo.AppName;
            po.Total.Value     = patchGroups.Count();

            foreach (var patchGroup in patchGroups)
            {
                var patchCount = patchGroup.Instructions.Count;
                po.TaskTitle.Value = $"Patching {appInfo.AppName}";
                var targetFile = patchGroup.TargetPath;
                po.TaskText.Value = Path.GetFileName(targetFile);
                //Note that Path.Combine(FILENAME, "..", OTHER_FILENAME) doesn't work on Mono but does work on .NET.
                var dir = Path.GetDirectoryName(targetFile);

                var localAssemblyName = Path.Combine(dir, attributesAssemblyName);
                var copy = true;
                fileProgress.TaskTitle.Value = "Patching File";
                fileProgress.Total.Value     = 2 + patchCount;
                fileProgress.Current.Value++;

                var backupModified = PatchingHelper.GetBackupForModified(targetFile);
                var backupOrig     = PatchingHelper.GetBackupForOriginal(targetFile);
                fileProgress.TaskText.Value = "Applying Patch";

                if (!PatchingHelper.DoesFileMatchPatchList(backupModified, targetFile, patchGroup.Instructions) ||
                    Preferences.AlwaysPatch)
                {
                    if (File.Exists(localAssemblyName))
                    {
                        try {
                            var localAssembly = AssemblyCache.Default.ReadAssembly(localAssemblyName);
                            if (localAssembly.GetAssemblyMetadataString() == myAttributesAssembly.GetAssemblyMetadataString())
                            {
                                copy = false;
                            }
                        }
                        catch (Exception ex) {
                            Logger.Warning(ex, $"Failed to read local attributes assembly so it will be overwritten.");
                            //if reading the assembly failed for any reason, just ignore...
                        }
                    }
                    if (copy)
                    {
                        File.Copy(myAttributesAssembly.Location, localAssemblyName, true);
                    }

                    var patcher = new AssemblyPatcher(targetFile, logger)
                    {
                        EmbedHistory = true
                    };

                    foreach (var patch in patchGroup.Instructions)
                    {
                        try {
                            patcher.PatchManifest(patch.Patch, patchProgress.ToMonitor());
                        }
                        catch (PatchException ex) {
                            throw new PatchingProcessException(ex)
                                  {
                                      AssociatedInstruction = patch,
                                      AssociatedPatchGroup  = patchGroup,
                                      Step = PatchProcessingStep.ApplyingSpecificPatch
                                  };
                        }
                        fileProgress.Current.Value++;
                    }
                    patchProgress.TaskText.Value  = "";
                    patchProgress.TaskTitle.Value = "";


                    fileProgress.Current.Value++;
                    fileProgress.TaskText.Value = "Writing Assembly";
                    if (Environment.OSVersion.Platform == PlatformID.Win32NT)
                    {
                        fileProgress.TaskText.Value = "Running PEVerify...";
                        var targetFolder = Path.GetDirectoryName(targetFile);
                        try {
                            var peOutput = patcher.RunPeVerify(new PEVerifyInput {
                                AssemblyResolutionFolder = targetFolder,
                                IgnoreErrors             = AppInfo.IgnorePEVerifyErrors.ToList()
                            });
                            logger.Information(peOutput.Output);
                        }
                        catch (Exception ex) {
                            logger.Error(ex, "Failed to run PEVerify on the assembly.");
                        }
                    }

                    try {
                        patcher.WriteTo(backupModified);
                    }
                    catch (Exception ex) {
                        throw new PatchingProcessException(ex)
                              {
                                  AssociatedInstruction = null,
                                  AssociatedPatchGroup  = patchGroup,
                                  Step = PatchProcessingStep.WritingToFile
                              };
                    }
                }
                else
                {
                    fileProgress.Current.Value += patchCount;
                }
                try {
                    PatchingHelper.SwitchFilesSafely(backupModified, targetFile, backupOrig);
                }
                catch (Exception ex) {
                    throw new PatchingProcessException(ex)
                          {
                              AssociatedInstruction = null,
                              AssociatedPatchGroup  = patchGroup,
                              Step = PatchProcessingStep.PerformingSwitch
                          };
                }
                AssemblyCache.Default.ClearCache();
                po.Current.Value++;
            }
        }
示例#2
0
        public static void ApplyInstructions(LaunchType launchType, List <PatchGroup> patchGroups, ProgressObject totalProgress)
        {
            //TODO: Use a different progress tracking system and make the entire patching operation more recoverable and fault-tolerant.
            //TODO: Refactor this method.
            AppInfo appInfo = AppContextManager.Context.Value;

            Assembly myAttributesAssembly     = typeof(AppInfo).Assembly;
            string   myAttributesAssemblyName = Path.GetFileName(myAttributesAssembly.Location);

            var fileProgress  = new ProgressObject();
            var patchProgress = new ProgressObject();

            totalProgress.Child.Value = fileProgress;
            fileProgress.Child.Value  = patchProgress;

            totalProgress.SetTaskData("Patching Game", appInfo.AppName, patchGroups.Count);

            foreach (PatchGroup patchGroup in patchGroups)
            {
                int patchCount = patchGroup.Instructions.Count;

                string destinationPath = patchGroup.TargetPath;

                var patcher = new AssemblyPatcher(destinationPath, Logger);
                patcher.EmbedHistory = true;

                string sourcePath = PatchingHelper.GetBackupForModified(destinationPath);
                string backupPath = PatchingHelper.GetBackupForOriginal(destinationPath);

                // note that Path.Combine(FILENAME, "..", OTHER_FILENAME) doesn't work on Mono but does work on .NET.
                string targetDirectory = Path.GetDirectoryName(destinationPath);

                string localAssemblyName = Path.Combine(targetDirectory, myAttributesAssemblyName);

                totalProgress.SetTaskData(string.Format("Patching {0}", appInfo.AppName), Path.GetFileName(destinationPath));

                fileProgress.SetTaskData("Patching File", total: 2 + patchCount, increment: true);
                fileProgress.SetTaskData(taskText: "Applying Patch");

                if (!PatchingHelper.DoesFileMatchPatchList(sourcePath, destinationPath, patchGroup.Instructions) || PreferencesManager.Preferences.AlwaysPatch)
                {
                    try
                    {
                        myAttributesAssembly.TryCopyAttributesAssembly(localAssemblyName);
                    }
                    catch (Exception exception)
                    {
                        Logger.Warning(exception, "Failed to read local attributes assembly so it will be overwritten.");
                    }

                    foreach (PatchInstruction patch in patchGroup.Instructions)
                    {
                        try
                        {
                            patcher.TryPatchManifest(patch, patchGroup, patchProgress);
                        }
                        catch (PatchingProcessException exception)
                        {
                            Logger.Show(exception);
                        }

                        fileProgress.SetTaskData(increment: true);
                    }

                    patchProgress.SetTaskData(string.Empty, string.Empty);

                    fileProgress.SetTaskData(taskText: "Writing Assembly", increment: true);

                    if (launchType == LaunchType.Test && Environment.OSVersion.Platform == PlatformID.Win32NT)
                    {
                        fileProgress.SetTaskData(taskText: "Running PEVerify");

                        string peOutput = patcher.TryRunPeVerify(appInfo, destinationPath);

                        Logger.Information(peOutput);
                    }

                    try
                    {
                        patcher.TryBackup(sourcePath, patchGroup);
                    }
                    catch (PatchingProcessException exception)
                    {
                        Logger.Show(exception);
                    }
                }
                else
                {
                    fileProgress.Current.Value += patchCount;
                }

                try
                {
                    LaunchManager.TrySwitchFilesSafely(sourcePath, destinationPath, backupPath, patchGroup);
                }
                catch (PatchingProcessException exception)
                {
                    Logger.Show(exception);
                }

                AssemblyCache.Default.ClearCache();

                totalProgress.SetTaskData(increment: true);
            }
        }