summaryrefslogtreecommitdiffstats
path: root/toolkit/xre/ProfileReset.cpp
diff options
context:
space:
mode:
Diffstat (limited to '')
-rw-r--r--toolkit/xre/ProfileReset.cpp146
1 files changed, 146 insertions, 0 deletions
diff --git a/toolkit/xre/ProfileReset.cpp b/toolkit/xre/ProfileReset.cpp
new file mode 100644
index 0000000000..8ed01e6535
--- /dev/null
+++ b/toolkit/xre/ProfileReset.cpp
@@ -0,0 +1,146 @@
+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this file,
+ * You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#include "nsIAppStartup.h"
+#include "nsIFile.h"
+#include "nsIStringBundle.h"
+#include "nsIToolkitProfile.h"
+#include "nsIWindowWatcher.h"
+
+#include "ProfileReset.h"
+
+#include "nsDirectoryServiceDefs.h"
+#include "nsDirectoryServiceUtils.h"
+#include "nsPIDOMWindow.h"
+#include "nsString.h"
+#include "mozilla/Components.h"
+#include "mozilla/XREAppData.h"
+
+#include "mozilla/SpinEventLoopUntil.h"
+#include "mozilla/Unused.h"
+
+using namespace mozilla;
+
+extern const XREAppData* gAppData;
+
+static const char kProfileProperties[] =
+ "chrome://mozapps/locale/profile/profileSelection.properties";
+
+/**
+ * Spin up a thread to backup the old profile's main directory and delete the
+ * profile's local directory. Once complete have the profile service remove the
+ * old profile and if necessary make the new profile the default.
+ */
+nsresult ProfileResetCleanup(nsToolkitProfileService* aService,
+ nsIToolkitProfile* aOldProfile) {
+ nsresult rv;
+ nsCOMPtr<nsIFile> profileDir;
+ rv = aOldProfile->GetRootDir(getter_AddRefs(profileDir));
+ if (NS_FAILED(rv)) return rv;
+
+ nsCOMPtr<nsIFile> profileLocalDir;
+ rv = aOldProfile->GetLocalDir(getter_AddRefs(profileLocalDir));
+ if (NS_FAILED(rv)) return rv;
+
+ // Get the friendly name for the backup directory.
+ nsCOMPtr<nsIStringBundleService> sbs =
+ mozilla::components::StringBundle::Service();
+ if (!sbs) return NS_ERROR_FAILURE;
+
+ nsCOMPtr<nsIStringBundle> sb;
+ Unused << sbs->CreateBundle(kProfileProperties, getter_AddRefs(sb));
+ if (!sb) return NS_ERROR_FAILURE;
+
+ NS_ConvertUTF8toUTF16 appName(gAppData->name);
+ AutoTArray<nsString, 2> params = {appName, appName};
+
+ nsAutoString resetBackupDirectoryName;
+
+ static const char* kResetBackupDirectory = "resetBackupDirectory";
+ rv = sb->FormatStringFromName(kResetBackupDirectory, params,
+ resetBackupDirectoryName);
+ if (NS_FAILED(rv)) return rv;
+
+ // Get info to copy the old root profile dir to the desktop as a backup.
+ nsCOMPtr<nsIFile> backupDest, containerDest, profileDest;
+ rv = NS_GetSpecialDirectory(NS_OS_DESKTOP_DIR, getter_AddRefs(backupDest));
+ if (NS_FAILED(rv)) {
+ // Fall back to the home directory if the desktop is not available.
+ rv = NS_GetSpecialDirectory(NS_OS_HOME_DIR, getter_AddRefs(backupDest));
+ if (NS_FAILED(rv)) return rv;
+ }
+
+ // Try to create a directory for all the backups
+ backupDest->Clone(getter_AddRefs(containerDest));
+ containerDest->Append(resetBackupDirectoryName);
+ rv = containerDest->Create(nsIFile::DIRECTORY_TYPE, 0700);
+ // It's OK if it already exists, if and only if it is a directory
+ if (rv == NS_ERROR_FILE_ALREADY_EXISTS) {
+ bool containerIsDir;
+ rv = containerDest->IsDirectory(&containerIsDir);
+ if (NS_FAILED(rv) || !containerIsDir) {
+ return rv;
+ }
+ } else if (NS_FAILED(rv)) {
+ return rv;
+ }
+
+ // Get the name of the profile
+ nsAutoString leafName;
+ rv = profileDir->GetLeafName(leafName);
+ if (NS_FAILED(rv)) return rv;
+
+ // Try to create a unique directory for the profile:
+ containerDest->Clone(getter_AddRefs(profileDest));
+ profileDest->Append(leafName);
+ rv = profileDest->CreateUnique(nsIFile::DIRECTORY_TYPE, 0700);
+ if (NS_FAILED(rv)) return rv;
+
+ // Get the unique profile name
+ rv = profileDest->GetLeafName(leafName);
+ if (NS_FAILED(rv)) return rv;
+
+ // Delete the empty directory that CreateUnique just created.
+ rv = profileDest->Remove(false);
+ if (NS_FAILED(rv)) return rv;
+
+ // Show a progress window while the cleanup happens since the disk I/O can
+ // take time.
+ nsCOMPtr<nsIWindowWatcher> windowWatcher(
+ do_GetService(NS_WINDOWWATCHER_CONTRACTID));
+ if (!windowWatcher) return NS_ERROR_FAILURE;
+
+ nsCOMPtr<nsIAppStartup> appStartup(components::AppStartup::Service());
+ if (!appStartup) return NS_ERROR_FAILURE;
+
+ nsCOMPtr<mozIDOMWindowProxy> progressWindow;
+ rv = windowWatcher->OpenWindow(nullptr, nsDependentCString(kResetProgressURL),
+ "_blank"_ns, "centerscreen,chrome,titlebar"_ns,
+ nullptr, getter_AddRefs(progressWindow));
+ if (NS_FAILED(rv)) return rv;
+
+ // Create a new thread to do the bulk of profile cleanup to stay responsive.
+ nsCOMPtr<nsIThread> cleanupThread;
+ rv = NS_NewNamedThread("ResetCleanup", getter_AddRefs(cleanupThread));
+ if (NS_SUCCEEDED(rv)) {
+ nsCOMPtr<nsIRunnable> runnable = new ProfileResetCleanupAsyncTask(
+ profileDir, profileLocalDir, containerDest, leafName);
+ cleanupThread->Dispatch(runnable, nsIThread::DISPATCH_NORMAL);
+ // The result callback will shut down the worker thread.
+
+ // Wait for the cleanup thread to complete.
+ SpinEventLoopUntil("xre:ProfileResetCreateBackup"_ns,
+ [&]() { return gProfileResetCleanupCompleted; });
+ } else {
+ gProfileResetCleanupCompleted = true;
+ NS_WARNING("Cleanup thread creation failed");
+ return rv;
+ }
+ // Close the progress window now that the cleanup thread is done.
+ auto* piWindow = nsPIDOMWindowOuter::From(progressWindow);
+ piWindow->Close();
+
+ return aService->ApplyResetProfile(aOldProfile);
+}