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gecko-dev/profile/dirserviceprovider/nsProfileDirServiceProvider...

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C++
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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 "nsProfileDirServiceProvider.h"
#include "nsProfileStringTypes.h"
#include "nsProfileLock.h"
#include "nsIFile.h"
#include "nsDirectoryServiceDefs.h"
#include "nsAppDirectoryServiceDefs.h"
#include "nsISupportsUtils.h"
#include "nsISimpleEnumerator.h"
#include "nsIObserverService.h"
// File Name Defines
#define PREFS_FILE_50_NAME NS_LITERAL_CSTRING("prefs.js")
#define USER_CHROME_DIR_50_NAME NS_LITERAL_CSTRING("chrome")
#define LOCAL_STORE_FILE_50_NAME NS_LITERAL_CSTRING("localstore.rdf")
#define PANELS_FILE_50_NAME NS_LITERAL_CSTRING("panels.rdf")
#define MIME_TYPES_FILE_50_NAME NS_LITERAL_CSTRING("mimeTypes.rdf")
#define BOOKMARKS_FILE_50_NAME NS_LITERAL_CSTRING("bookmarks.html")
#define DOWNLOADS_FILE_50_NAME NS_LITERAL_CSTRING("downloads.rdf")
#define SEARCH_FILE_50_NAME NS_LITERAL_CSTRING("search.rdf" )
//*****************************************************************************
// nsProfileDirServiceProvider::nsProfileDirServiceProvider
//*****************************************************************************
nsProfileDirServiceProvider::nsProfileDirServiceProvider(bool aNotifyObservers) :
#ifdef MOZ_PROFILELOCKING
mProfileDirLock(nullptr),
#endif
mNotifyObservers(aNotifyObservers),
mSharingEnabled(false)
{
}
nsProfileDirServiceProvider::~nsProfileDirServiceProvider()
{
#ifdef MOZ_PROFILELOCKING
delete mProfileDirLock;
#endif
}
nsresult
nsProfileDirServiceProvider::SetProfileDir(nsIFile* aProfileDir,
nsIFile* aLocalProfileDir)
{
if (!aLocalProfileDir)
aLocalProfileDir = aProfileDir;
if (mProfileDir) {
bool isEqual;
if (aProfileDir &&
NS_SUCCEEDED(aProfileDir->Equals(mProfileDir, &isEqual)) && isEqual) {
NS_WARNING("Setting profile dir to same as current");
return NS_OK;
}
#ifdef MOZ_PROFILELOCKING
mProfileDirLock->Unlock();
#endif
UndefineFileLocations();
}
mProfileDir = aProfileDir;
mLocalProfileDir = aLocalProfileDir;
if (!mProfileDir)
return NS_OK;
nsresult rv = InitProfileDir(mProfileDir);
if (NS_FAILED(rv))
return rv;
// Make sure that the local profile dir exists
// we just try to create it - if it exists already, that'll fail; ignore
// errors
mLocalProfileDir->Create(nsIFile::DIRECTORY_TYPE, 0700);
#ifdef MOZ_PROFILELOCKING
// Lock the non-shared sub-dir if we are sharing,
// the whole profile dir if we are not.
nsCOMPtr<nsIFile> dirToLock;
if (mSharingEnabled)
dirToLock = mNonSharedProfileDir;
else
dirToLock = mProfileDir;
rv = mProfileDirLock->Lock(dirToLock, nullptr);
if (NS_FAILED(rv))
return rv;
#endif
if (mNotifyObservers) {
nsCOMPtr<nsIObserverService> observerService =
do_GetService("@mozilla.org/observer-service;1");
if (!observerService)
return NS_ERROR_FAILURE;
NS_NAMED_LITERAL_STRING(context, "startup");
// Notify observers that the profile has changed - Here they respond to new profile
observerService->NotifyObservers(nullptr, "profile-do-change", context.get());
// Now observers can respond to something another observer did on "profile-do-change"
observerService->NotifyObservers(nullptr, "profile-after-change", context.get());
}
return NS_OK;
}
nsresult
nsProfileDirServiceProvider::Register()
{
nsCOMPtr<nsIDirectoryService> directoryService =
do_GetService(NS_DIRECTORY_SERVICE_CONTRACTID);
if (!directoryService)
return NS_ERROR_FAILURE;
return directoryService->RegisterProvider(this);
}
nsresult
nsProfileDirServiceProvider::Shutdown()
{
if (!mNotifyObservers)
return NS_OK;
nsCOMPtr<nsIObserverService> observerService =
do_GetService("@mozilla.org/observer-service;1");
if (!observerService)
return NS_ERROR_FAILURE;
NS_NAMED_LITERAL_STRING(context, "shutdown-persist");
observerService->NotifyObservers(nullptr, "profile-before-change", context.get());
observerService->NotifyObservers(nullptr, "profile-before-change2", context.get());
return NS_OK;
}
//*****************************************************************************
// nsProfileDirServiceProvider::nsISupports
//*****************************************************************************
NS_IMPL_ISUPPORTS(nsProfileDirServiceProvider,
nsIDirectoryServiceProvider)
//*****************************************************************************
// nsProfileDirServiceProvider::nsIDirectoryServiceProvider
//*****************************************************************************
NS_IMETHODIMP
nsProfileDirServiceProvider::GetFile(const char *prop, bool *persistant, nsIFile **_retval)
{
NS_ENSURE_ARG(prop);
NS_ENSURE_ARG_POINTER(persistant);
NS_ENSURE_ARG_POINTER(_retval);
// Don't assert - we can be called many times before SetProfileDir() has been called.
if (!mProfileDir)
return NS_ERROR_FAILURE;
*persistant = true;
nsIFile* domainDir = mProfileDir;
nsCOMPtr<nsIFile> localFile;
nsresult rv = NS_ERROR_FAILURE;
if (strcmp(prop, NS_APP_PREFS_50_DIR) == 0) {
rv = domainDir->Clone(getter_AddRefs(localFile));
}
else if (strcmp(prop, NS_APP_PREFS_50_FILE) == 0) {
rv = domainDir->Clone(getter_AddRefs(localFile));
if (NS_SUCCEEDED(rv))
rv = localFile->AppendNative(PREFS_FILE_50_NAME);
}
else if (strcmp(prop, NS_APP_USER_PROFILE_50_DIR) == 0) {
rv = domainDir->Clone(getter_AddRefs(localFile));
}
else if (strcmp(prop, NS_APP_USER_PROFILE_LOCAL_50_DIR) == 0) {
rv = mLocalProfileDir->Clone(getter_AddRefs(localFile));
}
else if (strcmp(prop, NS_APP_USER_CHROME_DIR) == 0) {
rv = domainDir->Clone(getter_AddRefs(localFile));
if (NS_SUCCEEDED(rv))
rv = localFile->AppendNative(USER_CHROME_DIR_50_NAME);
}
else if (strcmp(prop, NS_APP_LOCALSTORE_50_FILE) == 0) {
rv = domainDir->Clone(getter_AddRefs(localFile));
if (NS_SUCCEEDED(rv)) {
rv = localFile->AppendNative(LOCAL_STORE_FILE_50_NAME);
if (NS_SUCCEEDED(rv)) {
// it's OK if we can't copy the file... it will be created
// by client code.
(void) EnsureProfileFileExists(localFile, domainDir);
}
}
}
else if (strcmp(prop, NS_APP_USER_PANELS_50_FILE) == 0) {
rv = domainDir->Clone(getter_AddRefs(localFile));
if (NS_SUCCEEDED(rv)) {
rv = localFile->AppendNative(PANELS_FILE_50_NAME);
if (NS_SUCCEEDED(rv))
rv = EnsureProfileFileExists(localFile, domainDir);
}
}
else if (strcmp(prop, NS_APP_USER_MIMETYPES_50_FILE) == 0) {
rv = domainDir->Clone(getter_AddRefs(localFile));
if (NS_SUCCEEDED(rv)) {
rv = localFile->AppendNative(MIME_TYPES_FILE_50_NAME);
if (NS_SUCCEEDED(rv))
rv = EnsureProfileFileExists(localFile, domainDir);
}
}
else if (strcmp(prop, NS_APP_BOOKMARKS_50_FILE) == 0) {
rv = domainDir->Clone(getter_AddRefs(localFile));
if (NS_SUCCEEDED(rv))
rv = localFile->AppendNative(BOOKMARKS_FILE_50_NAME);
}
else if (strcmp(prop, NS_APP_DOWNLOADS_50_FILE) == 0) {
rv = domainDir->Clone(getter_AddRefs(localFile));
if (NS_SUCCEEDED(rv))
rv = localFile->AppendNative(DOWNLOADS_FILE_50_NAME);
}
else if (strcmp(prop, NS_APP_SEARCH_50_FILE) == 0) {
rv = domainDir->Clone(getter_AddRefs(localFile));
if (NS_SUCCEEDED(rv)) {
rv = localFile->AppendNative(SEARCH_FILE_50_NAME);
if (NS_SUCCEEDED(rv))
rv = EnsureProfileFileExists(localFile, domainDir);
}
}
if (NS_FAILED(rv)) {
return rv;
}
localFile.forget(_retval);
return NS_OK;
}
//*****************************************************************************
// Protected methods
//*****************************************************************************
nsresult
nsProfileDirServiceProvider::Initialize()
{
#ifdef MOZ_PROFILELOCKING
mProfileDirLock = new nsProfileLock;
if (!mProfileDirLock)
return NS_ERROR_OUT_OF_MEMORY;
#endif
return NS_OK;
}
nsresult
nsProfileDirServiceProvider::InitProfileDir(nsIFile *profileDir)
{
// Make sure our "Profile" folder exists.
// If it does not, copy the profile defaults to its location.
nsresult rv;
bool exists;
rv = profileDir->Exists(&exists);
if (NS_FAILED(rv))
return rv;
if (!exists) {
nsCOMPtr<nsIFile> profileDefaultsDir;
nsCOMPtr<nsIFile> profileDirParent;
nsAutoCString profileDirName;
(void)profileDir->GetParent(getter_AddRefs(profileDirParent));
if (!profileDirParent)
return NS_ERROR_FAILURE;
rv = profileDir->GetNativeLeafName(profileDirName);
if (NS_FAILED(rv))
return rv;
rv = NS_GetSpecialDirectory(NS_APP_PROFILE_DEFAULTS_50_DIR, getter_AddRefs(profileDefaultsDir));
if (NS_FAILED(rv)) {
rv = NS_GetSpecialDirectory(NS_APP_PROFILE_DEFAULTS_NLOC_50_DIR, getter_AddRefs(profileDefaultsDir));
if (NS_FAILED(rv))
return rv;
}
rv = profileDefaultsDir->CopyToNative(profileDirParent, profileDirName);
if (NS_FAILED(rv)) {
// if copying failed, lets just ensure that the profile directory exists.
profileDirParent->AppendNative(profileDirName);
rv = profileDirParent->Create(nsIFile::DIRECTORY_TYPE, 0700);
if (NS_FAILED(rv))
return rv;
}
rv = profileDir->SetPermissions(0700);
if (NS_FAILED(rv))
return rv;
}
else {
bool isDir;
rv = profileDir->IsDirectory(&isDir);
if (NS_FAILED(rv))
return rv;
if (!isDir)
return NS_ERROR_FILE_NOT_DIRECTORY;
}
if (mNonSharedDirName.Length())
rv = InitNonSharedProfileDir();
return rv;
}
nsresult
nsProfileDirServiceProvider::InitNonSharedProfileDir()
{
nsresult rv;
NS_ENSURE_STATE(mProfileDir);
NS_ENSURE_STATE(mNonSharedDirName.Length());
nsCOMPtr<nsIFile> localDir;
rv = mProfileDir->Clone(getter_AddRefs(localDir));
if (NS_SUCCEEDED(rv)) {
rv = localDir->Append(mNonSharedDirName);
if (NS_SUCCEEDED(rv)) {
bool exists;
rv = localDir->Exists(&exists);
if (NS_SUCCEEDED(rv)) {
if (!exists) {
rv = localDir->Create(nsIFile::DIRECTORY_TYPE, 0700);
}
else {
bool isDir;
rv = localDir->IsDirectory(&isDir);
if (NS_SUCCEEDED(rv)) {
if (!isDir)
rv = NS_ERROR_FILE_NOT_DIRECTORY;
}
}
if (NS_SUCCEEDED(rv))
mNonSharedProfileDir = localDir;
}
}
}
return rv;
}
nsresult
nsProfileDirServiceProvider::EnsureProfileFileExists(nsIFile *aFile, nsIFile *destDir)
{
nsresult rv;
bool exists;
rv = aFile->Exists(&exists);
if (NS_FAILED(rv))
return rv;
if (exists)
return NS_OK;
nsCOMPtr<nsIFile> defaultsFile;
// Attempt first to get the localized subdir of the defaults
rv = NS_GetSpecialDirectory(NS_APP_PROFILE_DEFAULTS_50_DIR, getter_AddRefs(defaultsFile));
if (NS_FAILED(rv)) {
// If that has not been defined, use the top level of the defaults
rv = NS_GetSpecialDirectory(NS_APP_PROFILE_DEFAULTS_NLOC_50_DIR, getter_AddRefs(defaultsFile));
if (NS_FAILED(rv))
return rv;
}
nsAutoCString leafName;
rv = aFile->GetNativeLeafName(leafName);
if (NS_FAILED(rv))
return rv;
rv = defaultsFile->AppendNative(leafName);
if (NS_FAILED(rv))
return rv;
return defaultsFile->CopyTo(destDir, EmptyString());
}
nsresult
nsProfileDirServiceProvider::UndefineFileLocations()
{
nsresult rv;
nsCOMPtr<nsIProperties> directoryService =
do_GetService(NS_DIRECTORY_SERVICE_CONTRACTID, &rv);
NS_ENSURE_TRUE(directoryService, NS_ERROR_FAILURE);
(void) directoryService->Undefine(NS_APP_PREFS_50_DIR);
(void) directoryService->Undefine(NS_APP_PREFS_50_FILE);
(void) directoryService->Undefine(NS_APP_USER_PROFILE_50_DIR);
(void) directoryService->Undefine(NS_APP_USER_CHROME_DIR);
(void) directoryService->Undefine(NS_APP_LOCALSTORE_50_FILE);
(void) directoryService->Undefine(NS_APP_USER_PANELS_50_FILE);
(void) directoryService->Undefine(NS_APP_USER_MIMETYPES_50_FILE);
(void) directoryService->Undefine(NS_APP_BOOKMARKS_50_FILE);
(void) directoryService->Undefine(NS_APP_DOWNLOADS_50_FILE);
(void) directoryService->Undefine(NS_APP_SEARCH_50_FILE);
return NS_OK;
}
//*****************************************************************************
// Global creation function
//*****************************************************************************
nsresult NS_NewProfileDirServiceProvider(bool aNotifyObservers,
nsProfileDirServiceProvider** aProvider)
{
NS_ENSURE_ARG_POINTER(aProvider);
*aProvider = nullptr;
nsProfileDirServiceProvider *prov = new nsProfileDirServiceProvider(aNotifyObservers);
if (!prov)
return NS_ERROR_OUT_OF_MEMORY;
nsresult rv = prov->Initialize();
if (NS_FAILED(rv)) {
delete prov;
return rv;
}
NS_ADDREF(*aProvider = prov);
return NS_OK;
}
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