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gecko-dev/toolkit/xre/nsXREDirProvider.cpp

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53 KiB
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/* -*- 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 "nsAppRunner.h"
#include "nsToolkitCompsCID.h"
#include "nsXREDirProvider.h"
#include "mozilla/AddonManagerStartup.h"
#include "jsapi.h"
#include "xpcpublic.h"
#include "nsIAddonInterposition.h"
#include "nsIAppStartup.h"
#include "nsIDirectoryEnumerator.h"
#include "nsIFile.h"
#include "nsIObserver.h"
#include "nsIObserverService.h"
#include "nsISimpleEnumerator.h"
#include "nsIToolkitChromeRegistry.h"
#include "nsIToolkitProfileService.h"
#include "nsIXULRuntime.h"
#include "nsAppDirectoryServiceDefs.h"
#include "nsDirectoryServiceDefs.h"
#include "nsDirectoryServiceUtils.h"
#include "nsXULAppAPI.h"
#include "nsCategoryManagerUtils.h"
#include "nsDependentString.h"
#include "nsCOMArray.h"
#include "nsArrayEnumerator.h"
#include "nsEnumeratorUtils.h"
#include "nsReadableUtils.h"
#include "SpecialSystemDirectory.h"
#include "mozilla/dom/ScriptSettings.h"
#include "mozilla/AutoRestore.h"
#include "mozilla/Services.h"
#include "mozilla/Omnijar.h"
#include "mozilla/Preferences.h"
#include "mozilla/Telemetry.h"
#include <stdlib.h>
#ifdef XP_WIN
#include "city.h"
#include <windows.h>
#include <shlobj.h>
#endif
#ifdef XP_MACOSX
#include "nsILocalFileMac.h"
// for chflags()
#include <sys/stat.h>
#include <unistd.h>
#endif
#ifdef XP_UNIX
#include <ctype.h>
#endif
#ifdef XP_IOS
#include "UIKitDirProvider.h"
#endif
#if defined(MOZ_CONTENT_SANDBOX)
#include "mozilla/SandboxSettings.h"
#if (defined(XP_WIN) || defined(XP_MACOSX))
#include "nsIUUIDGenerator.h"
#include "mozilla/Unused.h"
#if defined(XP_WIN)
#include "WinUtils.h"
#endif
#endif
#endif
#if defined(XP_MACOSX)
#define APP_REGISTRY_NAME "Application Registry"
#elif defined(XP_WIN)
#define APP_REGISTRY_NAME "registry.dat"
#else
#define APP_REGISTRY_NAME "appreg"
#endif
#define PREF_OVERRIDE_DIRNAME "preferences"
#if (defined(XP_WIN) || defined(XP_MACOSX)) && defined(MOZ_CONTENT_SANDBOX)
static already_AddRefed<nsIFile> GetContentProcessSandboxTempDir();
static nsresult DeleteDirIfExists(nsIFile *dir);
static bool IsContentSandboxDisabled();
static const char* GetContentProcessTempBaseDirKey();
static already_AddRefed<nsIFile> CreateContentProcessSandboxTempDir();
#endif
nsXREDirProvider* gDirServiceProvider = nullptr;
nsXREDirProvider::nsXREDirProvider() :
mProfileNotified(false)
{
gDirServiceProvider = this;
}
nsXREDirProvider::~nsXREDirProvider()
{
gDirServiceProvider = nullptr;
}
nsXREDirProvider*
nsXREDirProvider::GetSingleton()
{
return gDirServiceProvider;
}
nsresult
nsXREDirProvider::Initialize(nsIFile *aXULAppDir,
nsIFile *aGREDir,
nsIDirectoryServiceProvider* aAppProvider)
{
NS_ENSURE_ARG(aXULAppDir);
NS_ENSURE_ARG(aGREDir);
mAppProvider = aAppProvider;
mXULAppDir = aXULAppDir;
mGREDir = aGREDir;
#if defined(XP_WIN) && defined(MOZ_CONTENT_SANDBOX)
// The GRE directory can be used in sandbox rules, so we need to make sure
// it doesn't contain any junction points or symlinks or the sandbox will
// reject those rules.
if (!mozilla::widget::WinUtils::ResolveJunctionPointsAndSymLinks(mGREDir)) {
NS_WARNING("Failed to resolve GRE Dir.");
}
// If the mXULAppDir is different it lives below the mGREDir. To avoid
// confusion resolve that as well even though we don't need it for sandbox
// rules. Some tests rely on this for example.
if (!mozilla::widget::WinUtils::ResolveJunctionPointsAndSymLinks(mXULAppDir)) {
NS_WARNING("Failed to resolve XUL App Dir.");
}
#endif
mGREDir->Clone(getter_AddRefs(mGREBinDir));
#ifdef XP_MACOSX
mGREBinDir->SetNativeLeafName(NS_LITERAL_CSTRING("MacOS"));
#endif
if (!mProfileDir) {
nsCOMPtr<nsIDirectoryServiceProvider> app(do_QueryInterface(mAppProvider));
if (app) {
bool per = false;
app->GetFile(NS_APP_USER_PROFILE_50_DIR, &per, getter_AddRefs(mProfileDir));
NS_ASSERTION(per, "NS_APP_USER_PROFILE_50_DIR must be persistent!");
NS_ASSERTION(mProfileDir, "NS_APP_USER_PROFILE_50_DIR not defined! This shouldn't happen!");
}
}
return NS_OK;
}
nsresult
nsXREDirProvider::SetProfile(nsIFile* aDir, nsIFile* aLocalDir)
{
NS_ASSERTION(aDir && aLocalDir, "We don't support no-profile apps yet!");
nsresult rv;
rv = EnsureDirectoryExists(aDir);
if (NS_FAILED(rv))
return rv;
rv = EnsureDirectoryExists(aLocalDir);
if (NS_FAILED(rv))
return rv;
#ifdef XP_MACOSX
bool same;
if (NS_SUCCEEDED(aDir->Equals(aLocalDir, &same)) && !same) {
// Ensure that the cache directory is not indexed by Spotlight
// (bug 718910). At least on OS X, the cache directory (under
// ~/Library/Caches/) is always the "local" user profile
// directory. This is confusing, since *both* user profile
// directories are "local" (they both exist under the user's
// home directory). But this usage dates back at least as far
// as the patch for bug 291033, where "local" seems to mean
// "suitable for temporary storage". Don't hide the cache
// directory if by some chance it and the "non-local" profile
// directory are the same -- there are bad side effects from
// hiding a profile directory under /Library/Application Support/
// (see bug 801883).
nsAutoCString cacheDir;
if (NS_SUCCEEDED(aLocalDir->GetNativePath(cacheDir))) {
if (chflags(cacheDir.get(), UF_HIDDEN)) {
NS_WARNING("Failed to set Cache directory to HIDDEN.");
}
}
}
#endif
mProfileDir = aDir;
mProfileLocalDir = aLocalDir;
#if defined(XP_WIN) && defined(MOZ_CONTENT_SANDBOX)
// The profile directory can be used in sandbox rules, so we need to make sure
// it doesn't contain any junction points or symlinks or the sandbox will
// reject those rules.
if (!mozilla::widget::WinUtils::ResolveJunctionPointsAndSymLinks(mProfileDir)) {
NS_WARNING("Failed to resolve Profile Dir.");
}
#endif
return NS_OK;
}
NS_IMPL_QUERY_INTERFACE(nsXREDirProvider,
nsIDirectoryServiceProvider,
nsIDirectoryServiceProvider2,
nsIProfileStartup)
NS_IMETHODIMP_(MozExternalRefCountType)
nsXREDirProvider::AddRef()
{
return 1;
}
NS_IMETHODIMP_(MozExternalRefCountType)
nsXREDirProvider::Release()
{
return 0;
}
nsresult
nsXREDirProvider::GetUserProfilesRootDir(nsIFile** aResult,
const nsACString* aProfileName,
const nsACString* aAppName,
const nsACString* aVendorName)
{
nsCOMPtr<nsIFile> file;
nsresult rv = GetUserDataDirectory(getter_AddRefs(file),
false,
aProfileName, aAppName, aVendorName);
if (NS_SUCCEEDED(rv)) {
#if !defined(XP_UNIX) || defined(XP_MACOSX)
rv = file->AppendNative(NS_LITERAL_CSTRING("Profiles"));
#endif
// We must create the profile directory here if it does not exist.
nsresult tmp = EnsureDirectoryExists(file);
if (NS_FAILED(tmp)) {
rv = tmp;
}
}
file.swap(*aResult);
return rv;
}
nsresult
nsXREDirProvider::GetUserProfilesLocalDir(nsIFile** aResult,
const nsACString* aProfileName,
const nsACString* aAppName,
const nsACString* aVendorName)
{
nsCOMPtr<nsIFile> file;
nsresult rv = GetUserDataDirectory(getter_AddRefs(file),
true,
aProfileName, aAppName, aVendorName);
if (NS_SUCCEEDED(rv)) {
#if !defined(XP_UNIX) || defined(XP_MACOSX)
rv = file->AppendNative(NS_LITERAL_CSTRING("Profiles"));
#endif
// We must create the profile directory here if it does not exist.
nsresult tmp = EnsureDirectoryExists(file);
if (NS_FAILED(tmp)) {
rv = tmp;
}
}
file.swap(*aResult);
return NS_OK;
}
#if defined(XP_UNIX) || defined(XP_MACOSX)
/**
* Get the directory that is the parent of the system-wide directories
* for extensions and native manifests.
*
* On OSX this is /Library/Application Support/Mozilla
* On Linux this is /usr/{lib,lib64}/mozilla
* (for 32- and 64-bit systems respsectively)
*/
static nsresult
GetSystemParentDirectory(nsIFile** aFile)
{
nsresult rv;
nsCOMPtr<nsIFile> localDir;
#if defined(XP_MACOSX)
rv = GetOSXFolderType(kOnSystemDisk, kApplicationSupportFolderType, getter_AddRefs(localDir));
if (NS_SUCCEEDED(rv)) {
rv = localDir->AppendNative(NS_LITERAL_CSTRING("Mozilla"));
}
#else
NS_NAMED_LITERAL_CSTRING(dirname,
#ifdef HAVE_USR_LIB64_DIR
"/usr/lib64/mozilla"
#elif defined(__OpenBSD__) || defined(__FreeBSD__)
"/usr/local/lib/mozilla"
#else
"/usr/lib/mozilla"
#endif
);
rv = NS_NewNativeLocalFile(dirname, false, getter_AddRefs(localDir));
#endif
if (NS_SUCCEEDED(rv)) {
localDir.forget(aFile);
}
return rv;
}
#endif
NS_IMETHODIMP
nsXREDirProvider::GetFile(const char* aProperty, bool* aPersistent,
nsIFile** aFile)
{
nsresult rv;
bool gettingProfile = false;
if (!strcmp(aProperty, NS_APP_USER_PROFILE_LOCAL_50_DIR)) {
// If XRE_NotifyProfile hasn't been called, don't fall through to
// mAppProvider on the profile keys.
if (!mProfileNotified)
return NS_ERROR_FAILURE;
if (mProfileLocalDir)
return mProfileLocalDir->Clone(aFile);
if (mAppProvider)
return mAppProvider->GetFile(aProperty, aPersistent, aFile);
// This falls through to the case below
gettingProfile = true;
}
if (!strcmp(aProperty, NS_APP_USER_PROFILE_50_DIR) || gettingProfile) {
if (!mProfileNotified)
return NS_ERROR_FAILURE;
if (mProfileDir)
return mProfileDir->Clone(aFile);
if (mAppProvider)
return mAppProvider->GetFile(aProperty, aPersistent, aFile);
// If we don't succeed here, bail early so that we aren't reentrant
// through the "GetProfileDir" call below.
return NS_ERROR_FAILURE;
}
if (mAppProvider) {
rv = mAppProvider->GetFile(aProperty, aPersistent, aFile);
if (NS_SUCCEEDED(rv) && *aFile)
return rv;
}
*aPersistent = true;
if (!strcmp(aProperty, NS_GRE_DIR)) {
return mGREDir->Clone(aFile);
}
else if (!strcmp(aProperty, NS_GRE_BIN_DIR)) {
return mGREBinDir->Clone(aFile);
}
else if (!strcmp(aProperty, NS_OS_CURRENT_PROCESS_DIR) ||
!strcmp(aProperty, NS_APP_INSTALL_CLEANUP_DIR)) {
return GetAppDir()->Clone(aFile);
}
rv = NS_ERROR_FAILURE;
nsCOMPtr<nsIFile> file;
if (!strcmp(aProperty, NS_APP_PREF_DEFAULTS_50_DIR))
{
// return the GRE default prefs directory here, and the app default prefs
// directory (if applicable) in NS_APP_PREFS_DEFAULTS_DIR_LIST.
rv = mGREDir->Clone(getter_AddRefs(file));
if (NS_SUCCEEDED(rv)) {
rv = file->AppendNative(NS_LITERAL_CSTRING("defaults"));
if (NS_SUCCEEDED(rv))
rv = file->AppendNative(NS_LITERAL_CSTRING("pref"));
}
}
else if (!strcmp(aProperty, NS_APP_APPLICATION_REGISTRY_DIR) ||
!strcmp(aProperty, XRE_USER_APP_DATA_DIR)) {
rv = GetUserAppDataDirectory(getter_AddRefs(file));
}
#if defined(XP_UNIX) || defined(XP_MACOSX)
else if (!strcmp(aProperty, XRE_SYS_NATIVE_MANIFESTS)) {
nsCOMPtr<nsIFile> localDir;
rv = ::GetSystemParentDirectory(getter_AddRefs(localDir));
if (NS_SUCCEEDED(rv)) {
localDir.swap(file);
}
}
else if (!strcmp(aProperty, XRE_USER_NATIVE_MANIFESTS)) {
nsCOMPtr<nsIFile> localDir;
rv = GetUserDataDirectoryHome(getter_AddRefs(localDir), false);
if (NS_SUCCEEDED(rv)) {
#if defined(XP_MACOSX)
rv = localDir->AppendNative(NS_LITERAL_CSTRING("Mozilla"));
#else
rv = localDir->AppendNative(NS_LITERAL_CSTRING(".mozilla"));
#endif
}
if (NS_SUCCEEDED(rv)) {
localDir.swap(file);
}
}
#endif
else if (!strcmp(aProperty, XRE_UPDATE_ROOT_DIR)) {
rv = GetUpdateRootDir(getter_AddRefs(file));
}
else if (!strcmp(aProperty, NS_APP_APPLICATION_REGISTRY_FILE)) {
rv = GetUserAppDataDirectory(getter_AddRefs(file));
if (NS_SUCCEEDED(rv))
rv = file->AppendNative(NS_LITERAL_CSTRING(APP_REGISTRY_NAME));
}
else if (!strcmp(aProperty, NS_APP_USER_PROFILES_ROOT_DIR)) {
rv = GetUserProfilesRootDir(getter_AddRefs(file), nullptr, nullptr, nullptr);
}
else if (!strcmp(aProperty, NS_APP_USER_PROFILES_LOCAL_ROOT_DIR)) {
rv = GetUserProfilesLocalDir(getter_AddRefs(file), nullptr, nullptr, nullptr);
}
else if (!strcmp(aProperty, XRE_EXECUTABLE_FILE)) {
nsCOMPtr<nsIFile> lf;
rv = XRE_GetBinaryPath(getter_AddRefs(lf));
if (NS_SUCCEEDED(rv))
file = lf;
}
else if (!strcmp(aProperty, NS_APP_PROFILE_DIR_STARTUP) && mProfileDir) {
return mProfileDir->Clone(aFile);
}
else if (!strcmp(aProperty, NS_APP_PROFILE_LOCAL_DIR_STARTUP)) {
if (mProfileLocalDir)
return mProfileLocalDir->Clone(aFile);
if (mProfileDir)
return mProfileDir->Clone(aFile);
if (mAppProvider)
return mAppProvider->GetFile(NS_APP_PROFILE_DIR_STARTUP, aPersistent,
aFile);
}
#if defined(XP_UNIX) || defined(XP_MACOSX)
else if (!strcmp(aProperty, XRE_SYS_LOCAL_EXTENSION_PARENT_DIR)) {
#ifdef ENABLE_SYSTEM_EXTENSION_DIRS
return GetSystemExtensionsDirectory(aFile);
#else
return NS_ERROR_FAILURE;
#endif
}
#endif
#if defined(XP_UNIX) && !defined(XP_MACOSX)
else if (!strcmp(aProperty, XRE_SYS_SHARE_EXTENSION_PARENT_DIR)) {
#ifdef ENABLE_SYSTEM_EXTENSION_DIRS
#if defined(__OpenBSD__) || defined(__FreeBSD__)
static const char *const sysLExtDir = "/usr/local/share/mozilla/extensions";
#else
static const char *const sysLExtDir = "/usr/share/mozilla/extensions";
#endif
return NS_NewNativeLocalFile(nsDependentCString(sysLExtDir),
false, aFile);
#else
return NS_ERROR_FAILURE;
#endif
}
#endif
else if (!strcmp(aProperty, XRE_USER_SYS_EXTENSION_DIR)) {
#ifdef ENABLE_SYSTEM_EXTENSION_DIRS
return GetSysUserExtensionsDirectory(aFile);
#else
return NS_ERROR_FAILURE;
#endif
}
else if (!strcmp(aProperty, XRE_USER_SYS_EXTENSION_DEV_DIR)) {
return GetSysUserExtensionsDevDirectory(aFile);
}
else if (!strcmp(aProperty, XRE_APP_DISTRIBUTION_DIR)) {
bool persistent = false;
rv = GetFile(NS_GRE_DIR, &persistent, getter_AddRefs(file));
if (NS_SUCCEEDED(rv))
rv = file->AppendNative(NS_LITERAL_CSTRING("distribution"));
}
else if (!strcmp(aProperty, XRE_APP_FEATURES_DIR)) {
rv = GetAppDir()->Clone(getter_AddRefs(file));
if (NS_SUCCEEDED(rv))
rv = file->AppendNative(NS_LITERAL_CSTRING("features"));
}
else if (!strcmp(aProperty, XRE_ADDON_APP_DIR)) {
nsCOMPtr<nsIDirectoryServiceProvider> dirsvc(do_GetService("@mozilla.org/file/directory_service;1", &rv));
if (NS_FAILED(rv))
return rv;
bool unused;
rv = dirsvc->GetFile("XCurProcD", &unused, getter_AddRefs(file));
}
#if (defined(XP_WIN) || defined(XP_MACOSX)) && defined(MOZ_CONTENT_SANDBOX)
else if (!strcmp(aProperty, NS_APP_CONTENT_PROCESS_TEMP_DIR)) {
if (!mContentTempDir && NS_FAILED((rv = LoadContentProcessTempDir()))) {
return rv;
}
rv = mContentTempDir->Clone(getter_AddRefs(file));
}
#endif // defined(XP_WIN) && defined(MOZ_CONTENT_SANDBOX)
else if (NS_SUCCEEDED(GetProfileStartupDir(getter_AddRefs(file)))) {
// We need to allow component, xpt, and chrome registration to
// occur prior to the profile-after-change notification.
if (!strcmp(aProperty, NS_APP_USER_CHROME_DIR)) {
rv = file->AppendNative(NS_LITERAL_CSTRING("chrome"));
}
}
if (NS_SUCCEEDED(rv) && file) {
file.forget(aFile);
return NS_OK;
}
bool ensureFilePermissions = false;
if (NS_SUCCEEDED(GetProfileDir(getter_AddRefs(file)))) {
if (!strcmp(aProperty, NS_APP_PREFS_50_DIR)) {
rv = NS_OK;
}
else if (!strcmp(aProperty, NS_APP_PREFS_50_FILE)) {
rv = file->AppendNative(NS_LITERAL_CSTRING("prefs.js"));
}
else if (!strcmp(aProperty, NS_LOCALSTORE_UNSAFE_FILE)) {
rv = file->AppendNative(NS_LITERAL_CSTRING("localstore.rdf"));
}
else if (!strcmp(aProperty, NS_APP_LOCALSTORE_50_FILE)) {
if (gSafeMode) {
rv = file->AppendNative(NS_LITERAL_CSTRING("localstore-safe.rdf"));
file->Remove(false);
}
else {
rv = file->AppendNative(NS_LITERAL_CSTRING("localstore.rdf"));
ensureFilePermissions = true;
}
}
else if (!strcmp(aProperty, NS_APP_PREFS_OVERRIDE_DIR)) {
rv = mProfileDir->Clone(getter_AddRefs(file));
nsresult tmp = file->AppendNative(NS_LITERAL_CSTRING(PREF_OVERRIDE_DIRNAME));
if (NS_FAILED(tmp)) {
rv = tmp;
}
tmp = EnsureDirectoryExists(file);
if (NS_FAILED(tmp)) {
rv = tmp;
}
}
}
if (NS_FAILED(rv) || !file)
return NS_ERROR_FAILURE;
if (ensureFilePermissions) {
bool fileToEnsureExists;
bool isWritable;
if (NS_SUCCEEDED(file->Exists(&fileToEnsureExists)) && fileToEnsureExists
&& NS_SUCCEEDED(file->IsWritable(&isWritable)) && !isWritable) {
uint32_t permissions;
if (NS_SUCCEEDED(file->GetPermissions(&permissions))) {
rv = file->SetPermissions(permissions | 0600);
NS_ASSERTION(NS_SUCCEEDED(rv), "failed to ensure file permissions");
}
}
}
file.forget(aFile);
return NS_OK;
}
static void
LoadDirIntoArray(nsIFile* dir,
const char *const *aAppendList,
nsCOMArray<nsIFile>& aDirectories)
{
if (!dir)
return;
nsCOMPtr<nsIFile> subdir;
dir->Clone(getter_AddRefs(subdir));
if (!subdir)
return;
for (const char *const *a = aAppendList; *a; ++a) {
subdir->AppendNative(nsDependentCString(*a));
}
bool exists;
if (NS_SUCCEEDED(subdir->Exists(&exists)) && exists) {
aDirectories.AppendObject(subdir);
}
}
static void
LoadDirsIntoArray(const nsCOMArray<nsIFile>& aSourceDirs,
const char *const* aAppendList,
nsCOMArray<nsIFile>& aDirectories)
{
nsCOMPtr<nsIFile> appended;
bool exists;
for (int32_t i = 0; i < aSourceDirs.Count(); ++i) {
aSourceDirs[i]->Clone(getter_AddRefs(appended));
if (!appended)
continue;
nsAutoCString leaf;
appended->GetNativeLeafName(leaf);
if (!Substring(leaf, leaf.Length() - 4).EqualsLiteral(".xpi")) {
LoadDirIntoArray(appended,
aAppendList,
aDirectories);
}
else if (NS_SUCCEEDED(appended->Exists(&exists)) && exists)
aDirectories.AppendObject(appended);
}
}
NS_IMETHODIMP
nsXREDirProvider::GetFiles(const char* aProperty, nsISimpleEnumerator** aResult)
{
nsresult rv;
nsCOMPtr<nsISimpleEnumerator> appEnum;
nsCOMPtr<nsIDirectoryServiceProvider2>
appP2(do_QueryInterface(mAppProvider));
if (appP2) {
rv = appP2->GetFiles(aProperty, getter_AddRefs(appEnum));
if (NS_FAILED(rv)) {
appEnum = nullptr;
}
else if (rv != NS_SUCCESS_AGGREGATE_RESULT) {
appEnum.forget(aResult);
return NS_OK;
}
}
nsCOMPtr<nsISimpleEnumerator> xreEnum;
rv = GetFilesInternal(aProperty, getter_AddRefs(xreEnum));
if (NS_FAILED(rv)) {
if (appEnum) {
appEnum.forget(aResult);
return NS_SUCCESS_AGGREGATE_RESULT;
}
return rv;
}
rv = NS_NewUnionEnumerator(aResult, appEnum, xreEnum);
if (NS_FAILED(rv))
return rv;
return NS_SUCCESS_AGGREGATE_RESULT;
}
#if (defined(XP_WIN) || defined(XP_MACOSX)) && defined(MOZ_CONTENT_SANDBOX)
static const char*
GetContentProcessTempBaseDirKey()
{
#if defined(XP_WIN)
return NS_WIN_LOW_INTEGRITY_TEMP_BASE;
#else
return NS_OS_TEMP_DIR;
#endif
}
//
// Sets mContentTempDir so that it refers to the appropriate temp dir.
// If the sandbox is enabled, NS_APP_CONTENT_PROCESS_TEMP_DIR, otherwise
// NS_OS_TEMP_DIR is used.
//
nsresult
nsXREDirProvider::LoadContentProcessTempDir()
{
// The parent is responsible for creating the sandbox temp dir.
if (XRE_IsParentProcess()) {
mContentProcessSandboxTempDir = CreateContentProcessSandboxTempDir();
mContentTempDir = mContentProcessSandboxTempDir;
} else {
mContentTempDir = GetContentProcessSandboxTempDir();
}
if (!mContentTempDir) {
nsresult rv = NS_GetSpecialDirectory(NS_OS_TEMP_DIR,
getter_AddRefs(mContentTempDir));
if (NS_WARN_IF(NS_FAILED(rv))) {
return rv;
}
}
#if defined(XP_WIN)
// The content temp dir can be used in sandbox rules, so we need to make sure
// it doesn't contain any junction points or symlinks or the sandbox will
// reject those rules.
if (!mozilla::widget::WinUtils::ResolveJunctionPointsAndSymLinks(mContentTempDir)) {
NS_WARNING("Failed to resolve Content Temp Dir.");
}
#endif
return NS_OK;
}
static bool
IsContentSandboxDisabled()
{
return !BrowserTabsRemoteAutostart() || (!IsContentSandboxEnabled());
}
//
// If a content process sandbox temp dir is to be used, returns an nsIFile
// for the directory. Returns null if the content sandbox is disabled or
// an error occurs.
//
static already_AddRefed<nsIFile>
GetContentProcessSandboxTempDir()
{
if (IsContentSandboxDisabled()) {
return nullptr;
}
nsCOMPtr<nsIFile> localFile;
nsresult rv = NS_GetSpecialDirectory(GetContentProcessTempBaseDirKey(),
getter_AddRefs(localFile));
if (NS_WARN_IF(NS_FAILED(rv))) {
return nullptr;
}
nsAutoString tempDirSuffix;
rv = Preferences::GetString("security.sandbox.content.tempDirSuffix",
tempDirSuffix);
if (NS_WARN_IF(NS_FAILED(rv)) || tempDirSuffix.IsEmpty()) {
return nullptr;
}
rv = localFile->Append(NS_LITERAL_STRING("Temp-") + tempDirSuffix);
if (NS_WARN_IF(NS_FAILED(rv))) {
return nullptr;
}
return localFile.forget();
}
//
// Create a temporary directory for use from sandboxed content processes.
// Only called in the parent. The path is derived from a UUID stored in a
// pref which is available to content processes. Returns null if the
// content sandbox is disabled or if an error occurs.
//
static already_AddRefed<nsIFile>
CreateContentProcessSandboxTempDir()
{
if (IsContentSandboxDisabled()) {
return nullptr;
}
// Get (and create if blank) temp directory suffix pref.
nsresult rv;
nsAutoString tempDirSuffix;
Preferences::GetString("security.sandbox.content.tempDirSuffix",
tempDirSuffix);
if (tempDirSuffix.IsEmpty()) {
nsCOMPtr<nsIUUIDGenerator> uuidgen =
do_GetService("@mozilla.org/uuid-generator;1", &rv);
if (NS_WARN_IF(NS_FAILED(rv))) {
return nullptr;
}
nsID uuid;
rv = uuidgen->GenerateUUIDInPlace(&uuid);
if (NS_WARN_IF(NS_FAILED(rv))) {
return nullptr;
}
char uuidChars[NSID_LENGTH];
uuid.ToProvidedString(uuidChars);
tempDirSuffix.AssignASCII(uuidChars);
// Save the pref
rv = Preferences::SetCString("security.sandbox.content.tempDirSuffix",
uuidChars);
if (NS_WARN_IF(NS_FAILED(rv))) {
// If we fail to save the pref we don't want to create the temp dir,
// because we won't be able to clean it up later.
return nullptr;
}
nsCOMPtr<nsIPrefService> prefsvc = Preferences::GetService();
if (!prefsvc || NS_FAILED((rv = prefsvc->SavePrefFile(nullptr)))) {
// Again, if we fail to save the pref file we might not be able to clean
// up the temp directory, so don't create one. Note that in the case
// the preference values allows an off main thread save, the successful
// return from the call doesn't mean we actually saved the file. See
// bug 1364496 for details.
NS_WARNING("Failed to save pref file, cannot create temp dir.");
return nullptr;
}
}
nsCOMPtr<nsIFile> sandboxTempDir = GetContentProcessSandboxTempDir();
if (!sandboxTempDir) {
NS_WARNING("Failed to determine sandbox temp dir path.");
return nullptr;
}
// Remove the directory. It may exist due to a previous crash.
if (NS_FAILED(DeleteDirIfExists(sandboxTempDir))) {
NS_WARNING("Failed to reset sandbox temp dir.");
return nullptr;
}
// Create the directory
rv = sandboxTempDir->Create(nsIFile::DIRECTORY_TYPE, 0700);
if (NS_FAILED(rv)) {
NS_WARNING("Failed to create sandbox temp dir.");
return nullptr;
}
return sandboxTempDir.forget();
}
static nsresult
DeleteDirIfExists(nsIFile* dir)
{
if (dir) {
// Don't return an error if the directory doesn't exist.
// Windows Remove() returns NS_ERROR_FILE_NOT_FOUND while
// OS X returns NS_ERROR_FILE_TARGET_DOES_NOT_EXIST.
nsresult rv = dir->Remove(/* aRecursive */ true);
if (NS_FAILED(rv) && rv != NS_ERROR_FILE_NOT_FOUND &&
rv != NS_ERROR_FILE_TARGET_DOES_NOT_EXIST) {
return rv;
}
}
return NS_OK;
}
#endif // (defined(XP_WIN) || defined(XP_MACOSX)) &&
// defined(MOZ_CONTENT_SANDBOX)
static const char *const kAppendPrefDir[] = { "defaults", "preferences", nullptr };
#ifdef DEBUG_bsmedberg
static void
DumpFileArray(const char *key,
nsCOMArray<nsIFile> dirs)
{
fprintf(stderr, "nsXREDirProvider::GetFilesInternal(%s)\n", key);
nsAutoCString path;
for (int32_t i = 0; i < dirs.Count(); ++i) {
dirs[i]->GetNativePath(path);
fprintf(stderr, " %s\n", path.get());
}
}
#endif // DEBUG_bsmedberg
nsresult
nsXREDirProvider::GetFilesInternal(const char* aProperty,
nsISimpleEnumerator** aResult)
{
nsresult rv = NS_OK;
*aResult = nullptr;
if (!strcmp(aProperty, XRE_EXTENSIONS_DIR_LIST)) {
nsCOMArray<nsIFile> directories;
static const char *const kAppendNothing[] = { nullptr };
LoadDirsIntoArray(mAppBundleDirectories,
kAppendNothing, directories);
LoadDirsIntoArray(AddonManagerStartup::GetSingleton().ExtensionPaths(),
kAppendNothing, directories);
rv = NS_NewArrayEnumerator(aResult, directories);
}
else if (!strcmp(aProperty, NS_APP_PREFS_DEFAULTS_DIR_LIST)) {
nsCOMArray<nsIFile> directories;
LoadDirIntoArray(mXULAppDir, kAppendPrefDir, directories);
LoadDirsIntoArray(mAppBundleDirectories,
kAppendPrefDir, directories);
rv = NS_NewArrayEnumerator(aResult, directories);
}
else if (!strcmp(aProperty, NS_APP_CHROME_DIR_LIST)) {
// NS_APP_CHROME_DIR_LIST is only used to get default (native) icons
// for OS window decoration.
static const char *const kAppendChromeDir[] = { "chrome", nullptr };
nsCOMArray<nsIFile> directories;
LoadDirIntoArray(mXULAppDir,
kAppendChromeDir,
directories);
LoadDirsIntoArray(mAppBundleDirectories,
kAppendChromeDir,
directories);
LoadDirsIntoArray(AddonManagerStartup::GetSingleton().ExtensionPaths(),
kAppendChromeDir,
directories);
rv = NS_NewArrayEnumerator(aResult, directories);
}
else if (!strcmp(aProperty, NS_APP_PLUGINS_DIR_LIST)) {
nsCOMArray<nsIFile> directories;
if (mozilla::Preferences::GetBool("plugins.load_appdir_plugins", false)) {
nsCOMPtr<nsIFile> appdir;
rv = XRE_GetBinaryPath(getter_AddRefs(appdir));
if (NS_SUCCEEDED(rv)) {
appdir->SetNativeLeafName(NS_LITERAL_CSTRING("plugins"));
directories.AppendObject(appdir);
}
}
static const char *const kAppendPlugins[] = { "plugins", nullptr };
// The root dirserviceprovider does quite a bit for us: we're mainly
// interested in xulapp and extension-provided plugins.
LoadDirsIntoArray(mAppBundleDirectories,
kAppendPlugins,
directories);
LoadDirsIntoArray(AddonManagerStartup::GetSingleton().ExtensionPaths(),
kAppendPlugins,
directories);
if (mProfileDir) {
nsCOMArray<nsIFile> profileDir;
profileDir.AppendObject(mProfileDir);
LoadDirsIntoArray(profileDir,
kAppendPlugins,
directories);
}
rv = NS_NewArrayEnumerator(aResult, directories);
NS_ENSURE_SUCCESS(rv, rv);
rv = NS_SUCCESS_AGGREGATE_RESULT;
}
else
rv = NS_ERROR_FAILURE;
return rv;
}
NS_IMETHODIMP
nsXREDirProvider::GetDirectory(nsIFile* *aResult)
{
NS_ENSURE_TRUE(mProfileDir, NS_ERROR_NOT_INITIALIZED);
return mProfileDir->Clone(aResult);
}
void
nsXREDirProvider::InitializeUserPrefs()
{
if (!mPrefsInitialized) {
// Temporarily set mProfileNotified to true so that the preference service
// can access the profile directory during initialization. Afterwards, clear
// it so that no other code can inadvertently access it until we get to
// profile-do-change.
AutoRestore<bool> ar(mProfileNotified);
mProfileNotified = true;
mozilla::Preferences::InitializeUserPrefs();
mPrefsInitialized = true;
}
}
NS_IMETHODIMP
nsXREDirProvider::DoStartup()
{
nsresult rv;
if (!mProfileNotified) {
nsCOMPtr<nsIObserverService> obsSvc =
mozilla::services::GetObserverService();
if (!obsSvc) return NS_ERROR_FAILURE;
mProfileNotified = true;
/*
Make sure we've setup prefs before profile-do-change to be able to use
them to track crashes and because we want to begin crash tracking before
other code run from this notification since they may cause crashes.
*/
MOZ_ASSERT(mPrefsInitialized);
bool safeModeNecessary = false;
nsCOMPtr<nsIAppStartup> appStartup (do_GetService(NS_APPSTARTUP_CONTRACTID));
if (appStartup) {
rv = appStartup->TrackStartupCrashBegin(&safeModeNecessary);
if (NS_FAILED(rv) && rv != NS_ERROR_NOT_AVAILABLE)
NS_WARNING("Error while beginning startup crash tracking");
if (!gSafeMode && safeModeNecessary) {
appStartup->RestartInSafeMode(nsIAppStartup::eForceQuit);
return NS_OK;
}
}
static const char16_t kStartup[] = {'s','t','a','r','t','u','p','\0'};
obsSvc->NotifyObservers(nullptr, "profile-do-change", kStartup);
// Init the Extension Manager
nsCOMPtr<nsIObserver> em = do_GetService("@mozilla.org/addons/integration;1");
if (em) {
em->Observe(nullptr, "addons-startup", nullptr);
} else {
NS_WARNING("Failed to create Addons Manager.");
}
obsSvc->NotifyObservers(nullptr, "profile-after-change", kStartup);
// Any component that has registered for the profile-after-change category
// should also be created at this time.
(void)NS_CreateServicesFromCategory("profile-after-change", nullptr,
"profile-after-change");
if (gSafeMode && safeModeNecessary) {
static const char16_t kCrashed[] = {'c','r','a','s','h','e','d','\0'};
obsSvc->NotifyObservers(nullptr, "safemode-forced", kCrashed);
}
// 1 = Regular mode, 2 = Safe mode, 3 = Safe mode forced
int mode = 1;
if (gSafeMode) {
if (safeModeNecessary)
mode = 3;
else
mode = 2;
}
mozilla::Telemetry::Accumulate(mozilla::Telemetry::SAFE_MODE_USAGE, mode);
// Telemetry about number of profiles.
nsCOMPtr<nsIToolkitProfileService> profileService =
do_GetService("@mozilla.org/toolkit/profile-service;1");
if (profileService) {
nsCOMPtr<nsISimpleEnumerator> profiles;
rv = profileService->GetProfiles(getter_AddRefs(profiles));
if (NS_WARN_IF(NS_FAILED(rv))) {
return rv;
}
uint32_t count = 0;
nsCOMPtr<nsISupports> profile;
while (NS_SUCCEEDED(profiles->GetNext(getter_AddRefs(profile)))) {
++count;
}
mozilla::Telemetry::Accumulate(mozilla::Telemetry::NUMBER_OF_PROFILES,
count);
}
obsSvc->NotifyObservers(nullptr, "profile-initial-state", nullptr);
#if (defined(XP_WIN) || defined(XP_MACOSX)) && defined(MOZ_CONTENT_SANDBOX)
// Makes sure the content temp dir has been loaded if it hasn't been
// already. In the parent this ensures it has been created before we attempt
// to start any content processes.
if (!mContentTempDir) {
mozilla::Unused << NS_WARN_IF(NS_FAILED(LoadContentProcessTempDir()));
}
#endif
}
return NS_OK;
}
void
nsXREDirProvider::DoShutdown()
{
AUTO_PROFILER_LABEL("nsXREDirProvider::DoShutdown", OTHER);
if (mProfileNotified) {
nsCOMPtr<nsIObserverService> obsSvc =
mozilla::services::GetObserverService();
NS_ASSERTION(obsSvc, "No observer service?");
if (obsSvc) {
static const char16_t kShutdownPersist[] = u"shutdown-persist";
obsSvc->NotifyObservers(nullptr, "profile-change-net-teardown", kShutdownPersist);
obsSvc->NotifyObservers(nullptr, "profile-change-teardown", kShutdownPersist);
#ifdef DEBUG
// Not having this causes large intermittent leaks. See bug 1340425.
if (JSContext* cx = dom::danger::GetJSContext()) {
JS_GC(cx);
}
#endif
obsSvc->NotifyObservers(nullptr, "profile-before-change", kShutdownPersist);
obsSvc->NotifyObservers(nullptr, "profile-before-change-qm", kShutdownPersist);
obsSvc->NotifyObservers(nullptr, "profile-before-change-telemetry", kShutdownPersist);
}
mProfileNotified = false;
}
#if (defined(XP_WIN) || defined(XP_MACOSX)) && defined(MOZ_CONTENT_SANDBOX)
if (XRE_IsParentProcess()) {
Unused << DeleteDirIfExists(mContentProcessSandboxTempDir);
}
#endif
}
#ifdef XP_WIN
static nsresult
GetShellFolderPath(KNOWNFOLDERID folder, nsAString& _retval)
{
DWORD flags = KF_FLAG_SIMPLE_IDLIST | KF_FLAG_DONT_VERIFY | KF_FLAG_NO_ALIAS;
PWSTR path = nullptr;
if (!SUCCEEDED(SHGetKnownFolderPath(folder, flags, NULL, &path))) {
return NS_ERROR_NOT_AVAILABLE;
}
_retval = nsDependentString(path);
CoTaskMemFree(path);
return NS_OK;
}
/**
* Provides a fallback for getting the path to APPDATA or LOCALAPPDATA by
* querying the registry when the call to SHGetSpecialFolderLocation or
* SHGetPathFromIDListW is unable to provide these paths (Bug 513958).
*/
static nsresult
GetRegWindowsAppDataFolder(bool aLocal, nsAString& _retval)
{
HKEY key;
LPCWSTR keyName =
L"Software\\Microsoft\\Windows\\CurrentVersion\\Explorer\\Shell Folders";
DWORD res = ::RegOpenKeyExW(HKEY_CURRENT_USER, keyName, 0, KEY_READ,
&key);
if (res != ERROR_SUCCESS) {
_retval.SetLength(0);
return NS_ERROR_NOT_AVAILABLE;
}
DWORD type, size;
res = RegQueryValueExW(key, (aLocal ? L"Local AppData" : L"AppData"),
nullptr, &type, nullptr, &size);
// The call to RegQueryValueExW must succeed, the type must be REG_SZ, the
// buffer size must not equal 0, and the buffer size be a multiple of 2.
if (res != ERROR_SUCCESS || type != REG_SZ || size == 0 || size % 2 != 0) {
::RegCloseKey(key);
_retval.SetLength(0);
return NS_ERROR_NOT_AVAILABLE;
}
// |size| may or may not include room for the terminating null character
DWORD resultLen = size / 2;
if (!_retval.SetLength(resultLen, mozilla::fallible)) {
::RegCloseKey(key);
_retval.SetLength(0);
return NS_ERROR_NOT_AVAILABLE;
}
nsAString::iterator begin;
_retval.BeginWriting(begin);
res = RegQueryValueExW(key, (aLocal ? L"Local AppData" : L"AppData"),
nullptr, nullptr, (LPBYTE) begin.get(), &size);
::RegCloseKey(key);
if (res != ERROR_SUCCESS) {
_retval.SetLength(0);
return NS_ERROR_NOT_AVAILABLE;
}
if (!_retval.CharAt(resultLen - 1)) {
// It was already null terminated.
_retval.Truncate(resultLen - 1);
}
return NS_OK;
}
static bool
GetCachedHash(HKEY rootKey, const nsAString &regPath, const nsAString &path,
nsAString &cachedHash)
{
HKEY baseKey;
if (RegOpenKeyExW(rootKey, reinterpret_cast<const wchar_t*>(regPath.BeginReading()), 0, KEY_READ, &baseKey) !=
ERROR_SUCCESS) {
return false;
}
wchar_t cachedHashRaw[512];
DWORD bufferSize = sizeof(cachedHashRaw);
LONG result = RegQueryValueExW(baseKey, reinterpret_cast<const wchar_t*>(path.BeginReading()), 0, nullptr,
(LPBYTE)cachedHashRaw, &bufferSize);
RegCloseKey(baseKey);
if (result == ERROR_SUCCESS) {
cachedHash.Assign(cachedHashRaw);
}
return ERROR_SUCCESS == result;
}
#endif
nsresult
nsXREDirProvider::GetUpdateRootDir(nsIFile* *aResult)
{
nsCOMPtr<nsIFile> updRoot;
nsCOMPtr<nsIFile> appFile;
bool per = false;
nsresult rv = GetFile(XRE_EXECUTABLE_FILE, &per, getter_AddRefs(appFile));
NS_ENSURE_SUCCESS(rv, rv);
rv = appFile->GetParent(getter_AddRefs(updRoot));
NS_ENSURE_SUCCESS(rv, rv);
#ifdef XP_MACOSX
nsCOMPtr<nsIFile> appRootDirFile;
nsCOMPtr<nsIFile> localDir;
nsAutoString appDirPath;
if (NS_FAILED(appFile->GetParent(getter_AddRefs(appRootDirFile))) ||
NS_FAILED(appRootDirFile->GetPath(appDirPath)) ||
NS_FAILED(GetUserDataDirectoryHome(getter_AddRefs(localDir), true))) {
return NS_ERROR_FAILURE;
}
int32_t dotIndex = appDirPath.RFind(".app");
if (dotIndex == kNotFound) {
dotIndex = appDirPath.Length();
}
appDirPath = Substring(appDirPath, 1, dotIndex - 1);
bool hasVendor = gAppData->vendor && strlen(gAppData->vendor) != 0;
if (hasVendor || gAppData->name) {
if (NS_FAILED(localDir->AppendNative(nsDependentCString(hasVendor ?
gAppData->vendor :
gAppData->name)))) {
return NS_ERROR_FAILURE;
}
} else if (NS_FAILED(localDir->AppendNative(NS_LITERAL_CSTRING("Mozilla")))) {
return NS_ERROR_FAILURE;
}
if (NS_FAILED(localDir->Append(NS_LITERAL_STRING("updates"))) ||
NS_FAILED(localDir->AppendRelativePath(appDirPath))) {
return NS_ERROR_FAILURE;
}
localDir.forget(aResult);
return NS_OK;
#elif XP_WIN
nsAutoString pathHash;
bool pathHashResult = false;
bool hasVendor = gAppData->vendor && strlen(gAppData->vendor) != 0;
nsAutoString appDirPath;
if (SUCCEEDED(updRoot->GetPath(appDirPath))) {
// Figure out where we should check for a cached hash value. If the
// application doesn't have the nsXREAppData vendor value defined check
// under SOFTWARE\Mozilla.
wchar_t regPath[1024] = { L'\0' };
swprintf_s(regPath, mozilla::ArrayLength(regPath), L"SOFTWARE\\%S\\%S\\TaskBarIDs",
(hasVendor ? gAppData->vendor : "Mozilla"), MOZ_APP_BASENAME);
// If we pre-computed the hash, grab it from the registry.
pathHashResult = GetCachedHash(HKEY_LOCAL_MACHINE,
nsDependentString(regPath), appDirPath,
pathHash);
if (!pathHashResult) {
pathHashResult = GetCachedHash(HKEY_CURRENT_USER,
nsDependentString(regPath), appDirPath,
pathHash);
}
}
if (!pathHashResult) {
// This should only happen when the installer isn't used (e.g. zip builds).
uint64_t hash = CityHash64(static_cast<const char *>(appDirPath.get()),
appDirPath.Length() * sizeof(nsAutoString::char_type));
pathHash.AppendInt((int)(hash >> 32), 16);
pathHash.AppendInt((int)hash, 16);
// The installer implementation writes the registry values that were checked
// in the previous block for this value in uppercase and since it is an
// option to have a case sensitive file system on Windows this value must
// also be in uppercase.
ToUpperCase(pathHash);
}
// As a last ditch effort, get the local app data directory and if a vendor
// name exists append it. If only a product name exists, append it. If neither
// exist fallback to old handling. We don't use the product name on purpose
// because we want a shared update directory for different apps run from the
// same path.
nsCOMPtr<nsIFile> localDir;
if ((hasVendor || gAppData->name) &&
NS_SUCCEEDED(GetUserDataDirectoryHome(getter_AddRefs(localDir), true)) &&
NS_SUCCEEDED(localDir->AppendNative(nsDependentCString(hasVendor ?
gAppData->vendor : gAppData->name))) &&
NS_SUCCEEDED(localDir->Append(NS_LITERAL_STRING("updates"))) &&
NS_SUCCEEDED(localDir->Append(pathHash))) {
localDir.forget(aResult);
return NS_OK;
}
nsAutoString appPath;
rv = updRoot->GetPath(appPath);
NS_ENSURE_SUCCESS(rv, rv);
// AppDir may be a short path. Convert to long path to make sure
// the consistency of the update folder location
nsString longPath;
wchar_t* buf;
uint32_t bufLength = longPath.GetMutableData(&buf, MAXPATHLEN);
NS_ENSURE_TRUE(bufLength >= MAXPATHLEN, NS_ERROR_OUT_OF_MEMORY);
DWORD len = GetLongPathNameW(appPath.get(), buf, bufLength);
// Failing GetLongPathName() is not fatal.
if (len <= 0 || len >= bufLength)
longPath.Assign(appPath);
else
longPath.SetLength(len);
// Use <UserLocalDataDir>\updates\<relative path to app dir from
// Program Files> if app dir is under Program Files to avoid the
// folder virtualization mess on Windows Vista
nsAutoString programFiles;
rv = GetShellFolderPath(FOLDERID_ProgramFiles, programFiles);
NS_ENSURE_SUCCESS(rv, rv);
programFiles.Append('\\');
uint32_t programFilesLen = programFiles.Length();
nsAutoString programName;
if (_wcsnicmp(programFiles.get(), longPath.get(), programFilesLen) == 0) {
programName = Substring(longPath, programFilesLen);
} else {
// We need the update root directory to live outside of the installation
// directory, because otherwise the updater writing the log file can cause
// the directory to be locked, which prevents it from being replaced after
// background updates.
programName.AssignASCII(MOZ_APP_NAME);
}
rv = GetUserLocalDataDirectory(getter_AddRefs(updRoot));
NS_ENSURE_SUCCESS(rv, rv);
rv = updRoot->AppendRelativePath(programName);
NS_ENSURE_SUCCESS(rv, rv);
#endif // XP_WIN
updRoot.forget(aResult);
return NS_OK;
}
nsresult
nsXREDirProvider::GetProfileStartupDir(nsIFile* *aResult)
{
if (mProfileDir)
return mProfileDir->Clone(aResult);
if (mAppProvider) {
nsCOMPtr<nsIFile> needsclone;
bool dummy;
nsresult rv = mAppProvider->GetFile(NS_APP_PROFILE_DIR_STARTUP,
&dummy,
getter_AddRefs(needsclone));
if (NS_SUCCEEDED(rv))
return needsclone->Clone(aResult);
}
return NS_ERROR_FAILURE;
}
nsresult
nsXREDirProvider::GetProfileDir(nsIFile* *aResult)
{
if (mProfileDir) {
if (!mProfileNotified)
return NS_ERROR_FAILURE;
return mProfileDir->Clone(aResult);
}
if (mAppProvider) {
nsCOMPtr<nsIFile> needsclone;
bool dummy;
nsresult rv = mAppProvider->GetFile(NS_APP_USER_PROFILE_50_DIR,
&dummy,
getter_AddRefs(needsclone));
if (NS_SUCCEEDED(rv))
return needsclone->Clone(aResult);
}
return NS_GetSpecialDirectory(NS_APP_USER_PROFILE_50_DIR, aResult);
}
nsresult
nsXREDirProvider::GetUserDataDirectoryHome(nsIFile** aFile, bool aLocal)
{
// Copied from nsAppFileLocationProvider (more or less)
nsresult rv;
nsCOMPtr<nsIFile> localDir;
#if defined(XP_MACOSX)
FSRef fsRef;
OSType folderType;
if (aLocal) {
folderType = kCachedDataFolderType;
} else {
#ifdef MOZ_THUNDERBIRD
folderType = kDomainLibraryFolderType;
#else
folderType = kApplicationSupportFolderType;
#endif
}
OSErr err = ::FSFindFolder(kUserDomain, folderType, kCreateFolder, &fsRef);
NS_ENSURE_FALSE(err, NS_ERROR_FAILURE);
rv = NS_NewNativeLocalFile(EmptyCString(), true, getter_AddRefs(localDir));
NS_ENSURE_SUCCESS(rv, rv);
nsCOMPtr<nsILocalFileMac> dirFileMac = do_QueryInterface(localDir);
NS_ENSURE_TRUE(dirFileMac, NS_ERROR_UNEXPECTED);
rv = dirFileMac->InitWithFSRef(&fsRef);
NS_ENSURE_SUCCESS(rv, rv);
localDir = do_QueryInterface(dirFileMac, &rv);
#elif defined(XP_IOS)
nsAutoCString userDir;
if (GetUIKitDirectory(aLocal, userDir)) {
rv = NS_NewNativeLocalFile(userDir, true, getter_AddRefs(localDir));
} else {
rv = NS_ERROR_FAILURE;
}
NS_ENSURE_SUCCESS(rv, rv);
#elif defined(XP_WIN)
nsString path;
if (aLocal) {
rv = GetShellFolderPath(FOLDERID_LocalAppData, path);
if (NS_FAILED(rv))
rv = GetRegWindowsAppDataFolder(aLocal, path);
}
if (!aLocal || NS_FAILED(rv)) {
rv = GetShellFolderPath(FOLDERID_RoamingAppData, path);
if (NS_FAILED(rv)) {
if (!aLocal)
rv = GetRegWindowsAppDataFolder(aLocal, path);
}
}
NS_ENSURE_SUCCESS(rv, rv);
rv = NS_NewLocalFile(path, true, getter_AddRefs(localDir));
#elif defined(XP_UNIX)
const char* homeDir = getenv("HOME");
if (!homeDir || !*homeDir)
return NS_ERROR_FAILURE;
#ifdef ANDROID /* We want (ProfD == ProfLD) on Android. */
aLocal = false;
#endif
if (aLocal) {
// If $XDG_CACHE_HOME is defined use it, otherwise use $HOME/.cache.
const char* cacheHome = getenv("XDG_CACHE_HOME");
if (cacheHome && *cacheHome) {
rv = NS_NewNativeLocalFile(nsDependentCString(cacheHome), true,
getter_AddRefs(localDir));
} else {
rv = NS_NewNativeLocalFile(nsDependentCString(homeDir), true,
getter_AddRefs(localDir));
if (NS_SUCCEEDED(rv))
rv = localDir->AppendNative(NS_LITERAL_CSTRING(".cache"));
}
} else {
rv = NS_NewNativeLocalFile(nsDependentCString(homeDir), true,
getter_AddRefs(localDir));
}
#else
#error "Don't know how to get product dir on your platform"
#endif
NS_IF_ADDREF(*aFile = localDir);
return rv;
}
nsresult
nsXREDirProvider::GetSysUserExtensionsDirectory(nsIFile** aFile)
{
nsCOMPtr<nsIFile> localDir;
nsresult rv = GetUserDataDirectoryHome(getter_AddRefs(localDir), false);
NS_ENSURE_SUCCESS(rv, rv);
rv = AppendSysUserExtensionPath(localDir);
NS_ENSURE_SUCCESS(rv, rv);
rv = EnsureDirectoryExists(localDir);
NS_ENSURE_SUCCESS(rv, rv);
localDir.forget(aFile);
return NS_OK;
}
nsresult
nsXREDirProvider::GetSysUserExtensionsDevDirectory(nsIFile** aFile)
{
nsCOMPtr<nsIFile> localDir;
nsresult rv = GetUserDataDirectoryHome(getter_AddRefs(localDir), false);
NS_ENSURE_SUCCESS(rv, rv);
rv = AppendSysUserExtensionsDevPath(localDir);
NS_ENSURE_SUCCESS(rv, rv);
rv = EnsureDirectoryExists(localDir);
NS_ENSURE_SUCCESS(rv, rv);
localDir.forget(aFile);
return NS_OK;
}
#if defined(XP_UNIX) || defined(XP_MACOSX)
nsresult
nsXREDirProvider::GetSystemExtensionsDirectory(nsIFile** aFile)
{
nsresult rv;
nsCOMPtr<nsIFile> localDir;
rv = GetSystemParentDirectory(getter_AddRefs(localDir));
if (NS_SUCCEEDED(rv)) {
NS_NAMED_LITERAL_CSTRING(sExtensions,
#if defined(XP_MACOSX)
"Extensions"
#else
"extensions"
#endif
);
rv = localDir->AppendNative(sExtensions);
if (NS_SUCCEEDED(rv)) {
localDir.forget(aFile);
}
}
return rv;
}
#endif
nsresult
nsXREDirProvider::GetUserDataDirectory(nsIFile** aFile, bool aLocal,
const nsACString* aProfileName,
const nsACString* aAppName,
const nsACString* aVendorName)
{
nsCOMPtr<nsIFile> localDir;
nsresult rv = GetUserDataDirectoryHome(getter_AddRefs(localDir), aLocal);
NS_ENSURE_SUCCESS(rv, rv);
rv = AppendProfilePath(localDir, aProfileName, aAppName, aVendorName, aLocal);
NS_ENSURE_SUCCESS(rv, rv);
#ifdef DEBUG_jungshik
nsAutoCString cwd;
localDir->GetNativePath(cwd);
printf("nsXREDirProvider::GetUserDataDirectory: %s\n", cwd.get());
#endif
rv = EnsureDirectoryExists(localDir);
NS_ENSURE_SUCCESS(rv, rv);
localDir.forget(aFile);
return NS_OK;
}
nsresult
nsXREDirProvider::EnsureDirectoryExists(nsIFile* aDirectory)
{
bool exists;
nsresult rv = aDirectory->Exists(&exists);
NS_ENSURE_SUCCESS(rv, rv);
#ifdef DEBUG_jungshik
if (!exists) {
nsAutoCString cwd;
aDirectory->GetNativePath(cwd);
printf("nsXREDirProvider::EnsureDirectoryExists: %s does not\n", cwd.get());
}
#endif
if (!exists)
rv = aDirectory->Create(nsIFile::DIRECTORY_TYPE, 0700);
#ifdef DEBUG_jungshik
if (NS_FAILED(rv))
NS_WARNING("nsXREDirProvider::EnsureDirectoryExists: create failed");
#endif
return rv;
}
nsresult
nsXREDirProvider::AppendSysUserExtensionPath(nsIFile* aFile)
{
NS_ASSERTION(aFile, "Null pointer!");
nsresult rv;
#if defined (XP_MACOSX) || defined(XP_WIN)
static const char* const sXR = "Mozilla";
rv = aFile->AppendNative(nsDependentCString(sXR));
NS_ENSURE_SUCCESS(rv, rv);
static const char* const sExtensions = "Extensions";
rv = aFile->AppendNative(nsDependentCString(sExtensions));
NS_ENSURE_SUCCESS(rv, rv);
#elif defined(XP_UNIX)
static const char* const sXR = ".mozilla";
rv = aFile->AppendNative(nsDependentCString(sXR));
NS_ENSURE_SUCCESS(rv, rv);
static const char* const sExtensions = "extensions";
rv = aFile->AppendNative(nsDependentCString(sExtensions));
NS_ENSURE_SUCCESS(rv, rv);
#else
#error "Don't know how to get XRE user extension path on your platform"
#endif
return NS_OK;
}
nsresult
nsXREDirProvider::AppendSysUserExtensionsDevPath(nsIFile* aFile)
{
MOZ_ASSERT(aFile);
nsresult rv;
#if defined (XP_MACOSX) || defined(XP_WIN)
static const char* const sXR = "Mozilla";
rv = aFile->AppendNative(nsDependentCString(sXR));
NS_ENSURE_SUCCESS(rv, rv);
static const char* const sExtensions = "SystemExtensionsDev";
rv = aFile->AppendNative(nsDependentCString(sExtensions));
NS_ENSURE_SUCCESS(rv, rv);
#elif defined(XP_UNIX)
static const char* const sXR = ".mozilla";
rv = aFile->AppendNative(nsDependentCString(sXR));
NS_ENSURE_SUCCESS(rv, rv);
static const char* const sExtensions = "systemextensionsdev";
rv = aFile->AppendNative(nsDependentCString(sExtensions));
NS_ENSURE_SUCCESS(rv, rv);
#else
#error "Don't know how to get XRE system extension dev path on your platform"
#endif
return NS_OK;
}
nsresult
nsXREDirProvider::AppendProfilePath(nsIFile* aFile,
const nsACString* aProfileName,
const nsACString* aAppName,
const nsACString* aVendorName,
bool aLocal)
{
NS_ASSERTION(aFile, "Null pointer!");
if (!gAppData) {
return NS_ERROR_FAILURE;
}
nsAutoCString profile;
nsAutoCString appName;
nsAutoCString vendor;
if (aProfileName && !aProfileName->IsEmpty()) {
profile = *aProfileName;
} else if (aAppName) {
appName = *aAppName;
if (aVendorName) {
vendor = *aVendorName;
}
} else if (gAppData->profile) {
profile = gAppData->profile;
} else {
appName = gAppData->name;
vendor = gAppData->vendor;
}
nsresult rv;
#if defined (XP_MACOSX)
if (!profile.IsEmpty()) {
rv = AppendProfileString(aFile, profile.get());
}
else {
// Note that MacOS ignores the vendor when creating the profile hierarchy -
// all application preferences directories live alongside one another in
// ~/Library/Application Support/
rv = aFile->AppendNative(appName);
}
NS_ENSURE_SUCCESS(rv, rv);
#elif defined(XP_WIN)
if (!profile.IsEmpty()) {
rv = AppendProfileString(aFile, profile.get());
}
else {
if (!vendor.IsEmpty()) {
rv = aFile->AppendNative(vendor);
NS_ENSURE_SUCCESS(rv, rv);
}
rv = aFile->AppendNative(appName);
}
NS_ENSURE_SUCCESS(rv, rv);
#elif defined(ANDROID)
// The directory used for storing profiles
// The parent of this directory is set in GetUserDataDirectoryHome
// XXX: handle gAppData->profile properly
// XXXsmaug ...and the rest of the profile creation!
MOZ_ASSERT(!aAppName,
"Profile creation for external applications is not implemented!");
rv = aFile->AppendNative(nsDependentCString("mozilla"));
NS_ENSURE_SUCCESS(rv, rv);
#elif defined(XP_UNIX)
nsAutoCString folder;
// Make it hidden (by starting with "."), except when local (the
// profile is already under ~/.cache or XDG_CACHE_HOME).
if (!aLocal)
folder.Assign('.');
if (!profile.IsEmpty()) {
// Skip any leading path characters
const char* profileStart = profile.get();
while (*profileStart == '/' || *profileStart == '\\')
profileStart++;
// On the off chance that someone wanted their folder to be hidden don't
// let it become ".."
if (*profileStart == '.' && !aLocal)
profileStart++;
folder.Append(profileStart);
ToLowerCase(folder);
rv = AppendProfileString(aFile, folder.BeginReading());
}
else {
if (!vendor.IsEmpty()) {
folder.Append(vendor);
ToLowerCase(folder);
rv = aFile->AppendNative(folder);
NS_ENSURE_SUCCESS(rv, rv);
folder.Truncate();
}
folder.Append(appName);
ToLowerCase(folder);
rv = aFile->AppendNative(folder);
}
NS_ENSURE_SUCCESS(rv, rv);
#else
#error "Don't know how to get profile path on your platform"
#endif
return NS_OK;
}
nsresult
nsXREDirProvider::AppendProfileString(nsIFile* aFile, const char* aPath)
{
NS_ASSERTION(aFile, "Null file!");
NS_ASSERTION(aPath, "Null path!");
nsAutoCString pathDup(aPath);
char* path = pathDup.BeginWriting();
nsresult rv;
char* subdir;
while ((subdir = NS_strtok("/\\", &path))) {
rv = aFile->AppendNative(nsDependentCString(subdir));
NS_ENSURE_SUCCESS(rv, rv);
}
return NS_OK;
}
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