diff options
Diffstat (limited to 'xpcom/io/nsAppFileLocationProvider.cpp')
| -rw-r--r-- | xpcom/io/nsAppFileLocationProvider.cpp | 333 |
1 files changed, 333 insertions, 0 deletions
diff --git a/xpcom/io/nsAppFileLocationProvider.cpp b/xpcom/io/nsAppFileLocationProvider.cpp new file mode 100644 index 0000000000..aedaad1b4f --- /dev/null +++ b/xpcom/io/nsAppFileLocationProvider.cpp @@ -0,0 +1,333 @@ +/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ +/* vim: set ts=8 sts=2 et sw=2 tw=80: */ +/* 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 "nsAppFileLocationProvider.h" +#include "nsAppDirectoryServiceDefs.h" +#include "nsDirectoryServiceDefs.h" +#include "nsEnumeratorUtils.h" +#include "nsAtom.h" +#include "nsIDirectoryService.h" +#include "nsIFile.h" +#include "nsString.h" +#include "nsSimpleEnumerator.h" +#include "prenv.h" +#include "nsCRT.h" +#if defined(MOZ_WIDGET_COCOA) +# include <Carbon/Carbon.h> +# include "CocoaFileUtils.h" +# include "nsILocalFileMac.h" +#elif defined(XP_WIN) +# include <windows.h> +# include <shlobj.h> +#elif defined(XP_UNIX) +# include <unistd.h> +# include <stdlib.h> +# include <sys/param.h> +#endif + +// WARNING: These hard coded names need to go away. They need to +// come from localizable resources + +#if defined(MOZ_WIDGET_COCOA) +# define APP_REGISTRY_NAME "Application Registry"_ns +# define ESSENTIAL_FILES "Essential Files"_ns +#elif defined(XP_WIN) +# define APP_REGISTRY_NAME "registry.dat"_ns +#else +# define APP_REGISTRY_NAME "appreg"_ns +#endif + +// define default product directory +#define DEFAULT_PRODUCT_DIR nsLiteralCString(MOZ_USER_DIR) + +#define DEFAULTS_DIR_NAME "defaults"_ns +#define DEFAULTS_PREF_DIR_NAME "pref"_ns +#define RES_DIR_NAME "res"_ns +#define CHROME_DIR_NAME "chrome"_ns + +//***************************************************************************** +// nsAppFileLocationProvider::Constructor/Destructor +//***************************************************************************** + +nsAppFileLocationProvider::nsAppFileLocationProvider() = default; + +//***************************************************************************** +// nsAppFileLocationProvider::nsISupports +//***************************************************************************** + +NS_IMPL_ISUPPORTS(nsAppFileLocationProvider, nsIDirectoryServiceProvider) + +//***************************************************************************** +// nsAppFileLocationProvider::nsIDirectoryServiceProvider +//***************************************************************************** + +NS_IMETHODIMP +nsAppFileLocationProvider::GetFile(const char* aProp, bool* aPersistent, + nsIFile** aResult) { + if (NS_WARN_IF(!aProp)) { + return NS_ERROR_INVALID_ARG; + } + + nsCOMPtr<nsIFile> localFile; + nsresult rv = NS_ERROR_FAILURE; + + *aResult = nullptr; + *aPersistent = true; + + if (nsCRT::strcmp(aProp, NS_APP_APPLICATION_REGISTRY_DIR) == 0) { + rv = GetProductDirectory(getter_AddRefs(localFile)); + } else if (nsCRT::strcmp(aProp, NS_APP_APPLICATION_REGISTRY_FILE) == 0) { + rv = GetProductDirectory(getter_AddRefs(localFile)); + if (NS_SUCCEEDED(rv)) { + rv = localFile->AppendNative(APP_REGISTRY_NAME); + } + } else if (nsCRT::strcmp(aProp, NS_APP_DEFAULTS_50_DIR) == 0) { + rv = CloneMozBinDirectory(getter_AddRefs(localFile)); + if (NS_SUCCEEDED(rv)) { + rv = localFile->AppendRelativeNativePath(DEFAULTS_DIR_NAME); + } + } else if (nsCRT::strcmp(aProp, NS_APP_PREF_DEFAULTS_50_DIR) == 0) { + rv = CloneMozBinDirectory(getter_AddRefs(localFile)); + if (NS_SUCCEEDED(rv)) { + rv = localFile->AppendRelativeNativePath(DEFAULTS_DIR_NAME); + if (NS_SUCCEEDED(rv)) { + rv = localFile->AppendRelativeNativePath(DEFAULTS_PREF_DIR_NAME); + } + } + } else if (nsCRT::strcmp(aProp, NS_APP_USER_PROFILES_ROOT_DIR) == 0) { + rv = GetDefaultUserProfileRoot(getter_AddRefs(localFile)); + } else if (nsCRT::strcmp(aProp, NS_APP_USER_PROFILES_LOCAL_ROOT_DIR) == 0) { + rv = GetDefaultUserProfileRoot(getter_AddRefs(localFile), true); + } else if (nsCRT::strcmp(aProp, NS_APP_RES_DIR) == 0) { + rv = CloneMozBinDirectory(getter_AddRefs(localFile)); + if (NS_SUCCEEDED(rv)) { + rv = localFile->AppendRelativeNativePath(RES_DIR_NAME); + } + } else if (nsCRT::strcmp(aProp, NS_APP_CHROME_DIR) == 0) { + rv = CloneMozBinDirectory(getter_AddRefs(localFile)); + if (NS_SUCCEEDED(rv)) { + rv = localFile->AppendRelativeNativePath(CHROME_DIR_NAME); + } + } else if (nsCRT::strcmp(aProp, NS_APP_INSTALL_CLEANUP_DIR) == 0) { + // This is cloned so that embeddors will have a hook to override + // with their own cleanup dir. See bugzilla bug #105087 + rv = CloneMozBinDirectory(getter_AddRefs(localFile)); + } + + if (localFile && NS_SUCCEEDED(rv)) { + localFile.forget(aResult); + return NS_OK; + } + + return rv; +} + +nsresult nsAppFileLocationProvider::CloneMozBinDirectory(nsIFile** aLocalFile) { + if (NS_WARN_IF(!aLocalFile)) { + return NS_ERROR_INVALID_ARG; + } + nsresult rv; + + if (!mMozBinDirectory) { + // Get the mozilla bin directory + // 1. Check the directory service first for NS_XPCOM_CURRENT_PROCESS_DIR + // This will be set if a directory was passed to NS_InitXPCOM + // 2. If that doesn't work, set it to be the current process directory + nsCOMPtr<nsIProperties> directoryService( + do_GetService(NS_DIRECTORY_SERVICE_CONTRACTID, &rv)); + if (NS_FAILED(rv)) { + return rv; + } + + rv = + directoryService->Get(NS_XPCOM_CURRENT_PROCESS_DIR, NS_GET_IID(nsIFile), + getter_AddRefs(mMozBinDirectory)); + if (NS_FAILED(rv)) { + rv = directoryService->Get(NS_OS_CURRENT_PROCESS_DIR, NS_GET_IID(nsIFile), + getter_AddRefs(mMozBinDirectory)); + if (NS_FAILED(rv)) { + return rv; + } + } + } + + nsCOMPtr<nsIFile> aFile; + rv = mMozBinDirectory->Clone(getter_AddRefs(aFile)); + if (NS_FAILED(rv)) { + return rv; + } + + NS_IF_ADDREF(*aLocalFile = aFile); + return NS_OK; +} + +//---------------------------------------------------------------------------------------- +// GetProductDirectory - Gets the directory which contains the application data +// folder +// +// UNIX : ~/.mozilla/ +// WIN : <Application Data folder on user's machine>\Mozilla +// Mac : :Documents:Mozilla: +//---------------------------------------------------------------------------------------- +nsresult nsAppFileLocationProvider::GetProductDirectory(nsIFile** aLocalFile, + bool aLocal) { + if (NS_WARN_IF(!aLocalFile)) { + return NS_ERROR_INVALID_ARG; + } + + nsresult rv; + bool exists; + nsCOMPtr<nsIFile> localDir; + +#if defined(MOZ_WIDGET_COCOA) + NS_NewLocalFile(u""_ns, true, getter_AddRefs(localDir)); + if (!localDir) { + return NS_ERROR_FAILURE; + } + nsCOMPtr<nsILocalFileMac> localDirMac(do_QueryInterface(localDir)); + + rv = localDirMac->InitWithCFURL( + CocoaFileUtils::GetProductDirectoryCFURLRef(aLocal)); + if (NS_FAILED(rv)) { + return rv; + } +#elif defined(XP_WIN) + nsCOMPtr<nsIProperties> directoryService = + do_GetService(NS_DIRECTORY_SERVICE_CONTRACTID, &rv); + if (NS_FAILED(rv)) { + return rv; + } + const char* prop = aLocal ? NS_WIN_LOCAL_APPDATA_DIR : NS_WIN_APPDATA_DIR; + rv = directoryService->Get(prop, NS_GET_IID(nsIFile), + getter_AddRefs(localDir)); + if (NS_FAILED(rv)) { + return rv; + } +#elif defined(XP_UNIX) + rv = NS_NewNativeLocalFile(nsDependentCString(PR_GetEnv("HOME")), true, + getter_AddRefs(localDir)); + if (NS_FAILED(rv)) { + return rv; + } +#else +# error dont_know_how_to_get_product_dir_on_your_platform +#endif + + rv = localDir->AppendRelativeNativePath(DEFAULT_PRODUCT_DIR); + if (NS_FAILED(rv)) { + return rv; + } + rv = localDir->Exists(&exists); + + if (NS_SUCCEEDED(rv) && !exists) { + rv = localDir->Create(nsIFile::DIRECTORY_TYPE, 0700); + } + + if (NS_FAILED(rv)) { + return rv; + } + + localDir.forget(aLocalFile); + + return rv; +} + +//---------------------------------------------------------------------------------------- +// GetDefaultUserProfileRoot - Gets the directory which contains each user +// profile dir +// +// UNIX : ~/.mozilla/ +// WIN : <Application Data folder on user's machine>\Mozilla\Profiles +// Mac : :Documents:Mozilla:Profiles: +//---------------------------------------------------------------------------------------- +nsresult nsAppFileLocationProvider::GetDefaultUserProfileRoot( + nsIFile** aLocalFile, bool aLocal) { + if (NS_WARN_IF(!aLocalFile)) { + return NS_ERROR_INVALID_ARG; + } + + nsresult rv; + nsCOMPtr<nsIFile> localDir; + + rv = GetProductDirectory(getter_AddRefs(localDir), aLocal); + if (NS_FAILED(rv)) { + return rv; + } + +#if defined(MOZ_WIDGET_COCOA) || defined(XP_WIN) + // These 3 platforms share this part of the path - do them as one + rv = localDir->AppendRelativeNativePath("Profiles"_ns); + if (NS_FAILED(rv)) { + return rv; + } + + bool exists; + rv = localDir->Exists(&exists); + if (NS_SUCCEEDED(rv) && !exists) { + rv = localDir->Create(nsIFile::DIRECTORY_TYPE, 0775); + } + if (NS_FAILED(rv)) { + return rv; + } +#endif + + localDir.forget(aLocalFile); + + return rv; +} + +//***************************************************************************** +// nsAppFileLocationProvider::nsIDirectoryServiceProvider +//***************************************************************************** + +class nsAppDirectoryEnumerator : public nsSimpleEnumerator { + public: + /** + * aKeyList is a null-terminated list of properties which are provided by + * aProvider They do not need to be publicly defined keys. + */ + nsAppDirectoryEnumerator(nsIDirectoryServiceProvider* aProvider, + const char* aKeyList[]) + : mProvider(aProvider), mCurrentKey(aKeyList) {} + + const nsID& DefaultInterface() override { return NS_GET_IID(nsIFile); } + + NS_IMETHOD HasMoreElements(bool* aResult) override { + while (!mNext && *mCurrentKey) { + bool dontCare; + nsCOMPtr<nsIFile> testFile; + (void)mProvider->GetFile(*mCurrentKey++, &dontCare, + getter_AddRefs(testFile)); + mNext = testFile; + } + *aResult = mNext != nullptr; + return NS_OK; + } + + NS_IMETHOD GetNext(nsISupports** aResult) override { + if (NS_WARN_IF(!aResult)) { + return NS_ERROR_INVALID_ARG; + } + *aResult = nullptr; + + bool hasMore; + HasMoreElements(&hasMore); + if (!hasMore) { + return NS_ERROR_FAILURE; + } + + *aResult = mNext; + NS_IF_ADDREF(*aResult); + mNext = nullptr; + + return *aResult ? NS_OK : NS_ERROR_FAILURE; + } + + protected: + nsCOMPtr<nsIDirectoryServiceProvider> mProvider; + const char** mCurrentKey; + nsCOMPtr<nsIFile> mNext; +}; |