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authorMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
committerMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
commit5f8de423f190bbb79a62f804151bc24824fa32d8 (patch)
tree10027f336435511475e392454359edea8e25895d /xpcom/io/nsLocalFileWin.cpp
parent49ee0794b5d912db1f95dce6eb52d781dc210db5 (diff)
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Add m-esr52 at 52.6.0
Diffstat (limited to 'xpcom/io/nsLocalFileWin.cpp')
-rw-r--r--xpcom/io/nsLocalFileWin.cpp3787
1 files changed, 3787 insertions, 0 deletions
diff --git a/xpcom/io/nsLocalFileWin.cpp b/xpcom/io/nsLocalFileWin.cpp
new file mode 100644
index 000000000..3a7e570f5
--- /dev/null
+++ b/xpcom/io/nsLocalFileWin.cpp
@@ -0,0 +1,3787 @@
+/* -*- 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 "mozilla/ArrayUtils.h"
+#include "mozilla/DebugOnly.h"
+#include "mozilla/UniquePtrExtensions.h"
+#include "mozilla/WindowsVersion.h"
+
+#include "nsCOMPtr.h"
+#include "nsAutoPtr.h"
+#include "nsMemory.h"
+#include "GeckoProfiler.h"
+
+#include "nsLocalFile.h"
+#include "nsIDirectoryEnumerator.h"
+#include "nsNativeCharsetUtils.h"
+
+#include "nsISimpleEnumerator.h"
+#include "nsIComponentManager.h"
+#include "prio.h"
+#include "private/pprio.h" // To get PR_ImportFile
+#include "prprf.h"
+#include "prmem.h"
+#include "nsHashKeys.h"
+
+#include "nsXPIDLString.h"
+#include "nsReadableUtils.h"
+
+#include <direct.h>
+#include <windows.h>
+#include <shlwapi.h>
+#include <aclapi.h>
+
+#include "shellapi.h"
+#include "shlguid.h"
+
+#include <io.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <mbstring.h>
+
+#include "nsXPIDLString.h"
+#include "prproces.h"
+#include "prlink.h"
+
+#include "mozilla/Mutex.h"
+#include "SpecialSystemDirectory.h"
+
+#include "nsTraceRefcnt.h"
+#include "nsXPCOMCIDInternal.h"
+#include "nsThreadUtils.h"
+#include "nsXULAppAPI.h"
+
+#include "nsIWindowMediator.h"
+#include "mozIDOMWindow.h"
+#include "nsPIDOMWindow.h"
+#include "nsIWidget.h"
+#include "mozilla/WidgetUtils.h"
+
+using namespace mozilla;
+
+#define CHECK_mWorkingPath() \
+ PR_BEGIN_MACRO \
+ if (mWorkingPath.IsEmpty()) \
+ return NS_ERROR_NOT_INITIALIZED; \
+ PR_END_MACRO
+
+// CopyFileEx only supports unbuffered I/O in Windows Vista and above
+#ifndef COPY_FILE_NO_BUFFERING
+#define COPY_FILE_NO_BUFFERING 0x00001000
+#endif
+
+#ifndef FILE_ATTRIBUTE_NOT_CONTENT_INDEXED
+#define FILE_ATTRIBUTE_NOT_CONTENT_INDEXED 0x00002000
+#endif
+
+#ifndef DRIVE_REMOTE
+#define DRIVE_REMOTE 4
+#endif
+
+static HWND
+GetMostRecentNavigatorHWND()
+{
+ nsresult rv;
+ nsCOMPtr<nsIWindowMediator> winMediator(
+ do_GetService(NS_WINDOWMEDIATOR_CONTRACTID, &rv));
+ if (NS_FAILED(rv)) {
+ return nullptr;
+ }
+
+ nsCOMPtr<mozIDOMWindowProxy> navWin;
+ rv = winMediator->GetMostRecentWindow(u"navigator:browser",
+ getter_AddRefs(navWin));
+ if (NS_FAILED(rv) || !navWin) {
+ return nullptr;
+ }
+
+ nsPIDOMWindowOuter* win = nsPIDOMWindowOuter::From(navWin);
+ nsCOMPtr<nsIWidget> widget = widget::WidgetUtils::DOMWindowToWidget(win);
+ if (!widget) {
+ return nullptr;
+ }
+
+ return reinterpret_cast<HWND>(widget->GetNativeData(NS_NATIVE_WINDOW));
+}
+
+
+/**
+ * A runnable to dispatch back to the main thread when
+ * AsyncRevealOperation completes.
+*/
+class AsyncLocalFileWinDone : public Runnable
+{
+public:
+ AsyncLocalFileWinDone() :
+ mWorkerThread(do_GetCurrentThread())
+ {
+ // Objects of this type must only be created on worker threads
+ MOZ_ASSERT(!NS_IsMainThread());
+ }
+
+ NS_IMETHOD Run() override
+ {
+ // This event shuts down the worker thread and so must be main thread.
+ MOZ_ASSERT(NS_IsMainThread());
+
+ // If we don't destroy the thread when we're done with it, it will hang
+ // around forever... and that is bad!
+ mWorkerThread->Shutdown();
+ return NS_OK;
+ }
+
+private:
+ nsCOMPtr<nsIThread> mWorkerThread;
+};
+
+/**
+ * A runnable to dispatch from the main thread when an async operation should
+ * be performed.
+*/
+class AsyncRevealOperation : public Runnable
+{
+public:
+ explicit AsyncRevealOperation(const nsAString& aResolvedPath)
+ : mResolvedPath(aResolvedPath)
+ {
+ }
+
+ NS_IMETHOD Run() override
+ {
+ MOZ_ASSERT(!NS_IsMainThread(),
+ "AsyncRevealOperation should not be run on the main thread!");
+
+ bool doCoUninitialize = SUCCEEDED(
+ CoInitializeEx(nullptr, COINIT_APARTMENTTHREADED | COINIT_DISABLE_OLE1DDE));
+ Reveal();
+ if (doCoUninitialize) {
+ CoUninitialize();
+ }
+
+ // Send the result back to the main thread so that this thread can be
+ // cleanly shut down
+ nsCOMPtr<nsIRunnable> resultrunnable = new AsyncLocalFileWinDone();
+ NS_DispatchToMainThread(resultrunnable);
+ return NS_OK;
+ }
+
+private:
+ // Reveals the path in explorer.
+ nsresult Reveal()
+ {
+ DWORD attributes = GetFileAttributesW(mResolvedPath.get());
+ if (INVALID_FILE_ATTRIBUTES == attributes) {
+ return NS_ERROR_FILE_INVALID_PATH;
+ }
+
+ HRESULT hr;
+ if (attributes & FILE_ATTRIBUTE_DIRECTORY) {
+ // We have a directory so we should open the directory itself.
+ LPITEMIDLIST dir = ILCreateFromPathW(mResolvedPath.get());
+ if (!dir) {
+ return NS_ERROR_FAILURE;
+ }
+
+ LPCITEMIDLIST selection[] = { dir };
+ UINT count = ArrayLength(selection);
+
+ //Perform the open of the directory.
+ hr = SHOpenFolderAndSelectItems(dir, count, selection, 0);
+ CoTaskMemFree(dir);
+ } else {
+ int32_t len = mResolvedPath.Length();
+ // We don't currently handle UNC long paths of the form \\?\ anywhere so
+ // this should be fine.
+ if (len > MAX_PATH) {
+ return NS_ERROR_FILE_INVALID_PATH;
+ }
+ WCHAR parentDirectoryPath[MAX_PATH + 1] = { 0 };
+ wcsncpy(parentDirectoryPath, mResolvedPath.get(), MAX_PATH);
+ PathRemoveFileSpecW(parentDirectoryPath);
+
+ // We have a file so we should open the parent directory.
+ LPITEMIDLIST dir = ILCreateFromPathW(parentDirectoryPath);
+ if (!dir) {
+ return NS_ERROR_FAILURE;
+ }
+
+ // Set the item in the directory to select to the file we want to reveal.
+ LPITEMIDLIST item = ILCreateFromPathW(mResolvedPath.get());
+ if (!item) {
+ CoTaskMemFree(dir);
+ return NS_ERROR_FAILURE;
+ }
+
+ LPCITEMIDLIST selection[] = { item };
+ UINT count = ArrayLength(selection);
+
+ //Perform the selection of the file.
+ hr = SHOpenFolderAndSelectItems(dir, count, selection, 0);
+
+ CoTaskMemFree(dir);
+ CoTaskMemFree(item);
+ }
+
+ return SUCCEEDED(hr) ? NS_OK : NS_ERROR_FAILURE;
+ }
+
+ // Stores the path to perform the operation on
+ nsString mResolvedPath;
+};
+
+class nsDriveEnumerator : public nsISimpleEnumerator
+{
+public:
+ nsDriveEnumerator();
+ NS_DECL_ISUPPORTS
+ NS_DECL_NSISIMPLEENUMERATOR
+ nsresult Init();
+private:
+ virtual ~nsDriveEnumerator();
+
+ /* mDrives stores the null-separated drive names.
+ * Init sets them.
+ * HasMoreElements checks mStartOfCurrentDrive.
+ * GetNext advances mStartOfCurrentDrive.
+ */
+ nsString mDrives;
+ nsAString::const_iterator mStartOfCurrentDrive;
+ nsAString::const_iterator mEndOfDrivesString;
+};
+
+//----------------------------------------------------------------------------
+// short cut resolver
+//----------------------------------------------------------------------------
+class ShortcutResolver
+{
+public:
+ ShortcutResolver();
+ // nonvirtual since we're not subclassed
+ ~ShortcutResolver();
+
+ nsresult Init();
+ nsresult Resolve(const WCHAR* aIn, WCHAR* aOut);
+ nsresult SetShortcut(bool aUpdateExisting,
+ const WCHAR* aShortcutPath,
+ const WCHAR* aTargetPath,
+ const WCHAR* aWorkingDir,
+ const WCHAR* aArgs,
+ const WCHAR* aDescription,
+ const WCHAR* aIconFile,
+ int32_t aIconIndex);
+
+private:
+ Mutex mLock;
+ RefPtr<IPersistFile> mPersistFile;
+ RefPtr<IShellLinkW> mShellLink;
+};
+
+ShortcutResolver::ShortcutResolver() :
+ mLock("ShortcutResolver.mLock")
+{
+ CoInitialize(nullptr);
+}
+
+ShortcutResolver::~ShortcutResolver()
+{
+ CoUninitialize();
+}
+
+nsresult
+ShortcutResolver::Init()
+{
+ // Get a pointer to the IPersistFile interface.
+ if (FAILED(CoCreateInstance(CLSID_ShellLink,
+ nullptr,
+ CLSCTX_INPROC_SERVER,
+ IID_IShellLinkW,
+ getter_AddRefs(mShellLink))) ||
+ FAILED(mShellLink->QueryInterface(IID_IPersistFile,
+ getter_AddRefs(mPersistFile)))) {
+ mShellLink = nullptr;
+ return NS_ERROR_FAILURE;
+ }
+ return NS_OK;
+}
+
+// |out| must be an allocated buffer of size MAX_PATH
+nsresult
+ShortcutResolver::Resolve(const WCHAR* aIn, WCHAR* aOut)
+{
+ if (!mShellLink) {
+ return NS_ERROR_FAILURE;
+ }
+
+ MutexAutoLock lock(mLock);
+
+ if (FAILED(mPersistFile->Load(aIn, STGM_READ)) ||
+ FAILED(mShellLink->Resolve(nullptr, SLR_NO_UI)) ||
+ FAILED(mShellLink->GetPath(aOut, MAX_PATH, nullptr, SLGP_UNCPRIORITY))) {
+ return NS_ERROR_FAILURE;
+ }
+ return NS_OK;
+}
+
+nsresult
+ShortcutResolver::SetShortcut(bool aUpdateExisting,
+ const WCHAR* aShortcutPath,
+ const WCHAR* aTargetPath,
+ const WCHAR* aWorkingDir,
+ const WCHAR* aArgs,
+ const WCHAR* aDescription,
+ const WCHAR* aIconPath,
+ int32_t aIconIndex)
+{
+ if (!mShellLink) {
+ return NS_ERROR_FAILURE;
+ }
+
+ if (!aShortcutPath) {
+ return NS_ERROR_FAILURE;
+ }
+
+ MutexAutoLock lock(mLock);
+
+ if (aUpdateExisting) {
+ if (FAILED(mPersistFile->Load(aShortcutPath, STGM_READWRITE))) {
+ return NS_ERROR_FAILURE;
+ }
+ } else {
+ if (!aTargetPath) {
+ return NS_ERROR_FILE_TARGET_DOES_NOT_EXIST;
+ }
+
+ // Since we reuse our IPersistFile, we have to clear out any values that
+ // may be left over from previous calls to SetShortcut.
+ if (FAILED(mShellLink->SetWorkingDirectory(L"")) ||
+ FAILED(mShellLink->SetArguments(L"")) ||
+ FAILED(mShellLink->SetDescription(L"")) ||
+ FAILED(mShellLink->SetIconLocation(L"", 0))) {
+ return NS_ERROR_FAILURE;
+ }
+ }
+
+ if (aTargetPath && FAILED(mShellLink->SetPath(aTargetPath))) {
+ return NS_ERROR_FAILURE;
+ }
+
+ if (aWorkingDir && FAILED(mShellLink->SetWorkingDirectory(aWorkingDir))) {
+ return NS_ERROR_FAILURE;
+ }
+
+ if (aArgs && FAILED(mShellLink->SetArguments(aArgs))) {
+ return NS_ERROR_FAILURE;
+ }
+
+ if (aDescription && FAILED(mShellLink->SetDescription(aDescription))) {
+ return NS_ERROR_FAILURE;
+ }
+
+ if (aIconPath && FAILED(mShellLink->SetIconLocation(aIconPath, aIconIndex))) {
+ return NS_ERROR_FAILURE;
+ }
+
+ if (FAILED(mPersistFile->Save(aShortcutPath,
+ TRUE))) {
+ // Second argument indicates whether the file path specified in the
+ // first argument should become the "current working file" for this
+ // IPersistFile
+ return NS_ERROR_FAILURE;
+ }
+
+ return NS_OK;
+}
+
+static ShortcutResolver* gResolver = nullptr;
+
+static nsresult
+NS_CreateShortcutResolver()
+{
+ gResolver = new ShortcutResolver();
+ return gResolver->Init();
+}
+
+static void
+NS_DestroyShortcutResolver()
+{
+ delete gResolver;
+ gResolver = nullptr;
+}
+
+
+//-----------------------------------------------------------------------------
+// static helper functions
+//-----------------------------------------------------------------------------
+
+// certainly not all the error that can be
+// encountered, but many of them common ones
+static nsresult
+ConvertWinError(DWORD aWinErr)
+{
+ nsresult rv;
+
+ switch (aWinErr) {
+ case ERROR_FILE_NOT_FOUND:
+ case ERROR_PATH_NOT_FOUND:
+ case ERROR_INVALID_DRIVE:
+ case ERROR_NOT_READY:
+ rv = NS_ERROR_FILE_NOT_FOUND;
+ break;
+ case ERROR_ACCESS_DENIED:
+ case ERROR_NOT_SAME_DEVICE:
+ rv = NS_ERROR_FILE_ACCESS_DENIED;
+ break;
+ case ERROR_SHARING_VIOLATION: // CreateFile without sharing flags
+ case ERROR_LOCK_VIOLATION: // LockFile, LockFileEx
+ rv = NS_ERROR_FILE_IS_LOCKED;
+ break;
+ case ERROR_NOT_ENOUGH_MEMORY:
+ case ERROR_INVALID_BLOCK:
+ case ERROR_INVALID_HANDLE:
+ case ERROR_ARENA_TRASHED:
+ rv = NS_ERROR_OUT_OF_MEMORY;
+ break;
+ case ERROR_CURRENT_DIRECTORY:
+ rv = NS_ERROR_FILE_DIR_NOT_EMPTY;
+ break;
+ case ERROR_WRITE_PROTECT:
+ rv = NS_ERROR_FILE_READ_ONLY;
+ break;
+ case ERROR_HANDLE_DISK_FULL:
+ rv = NS_ERROR_FILE_TOO_BIG;
+ break;
+ case ERROR_FILE_EXISTS:
+ case ERROR_ALREADY_EXISTS:
+ case ERROR_CANNOT_MAKE:
+ rv = NS_ERROR_FILE_ALREADY_EXISTS;
+ break;
+ case ERROR_FILENAME_EXCED_RANGE:
+ rv = NS_ERROR_FILE_NAME_TOO_LONG;
+ break;
+ case ERROR_DIRECTORY:
+ rv = NS_ERROR_FILE_NOT_DIRECTORY;
+ break;
+ case 0:
+ rv = NS_OK;
+ break;
+ default:
+ rv = NS_ERROR_FAILURE;
+ break;
+ }
+ return rv;
+}
+
+// as suggested in the MSDN documentation on SetFilePointer
+static __int64
+MyFileSeek64(HANDLE aHandle, __int64 aDistance, DWORD aMoveMethod)
+{
+ LARGE_INTEGER li;
+
+ li.QuadPart = aDistance;
+ li.LowPart = SetFilePointer(aHandle, li.LowPart, &li.HighPart, aMoveMethod);
+ if (li.LowPart == INVALID_SET_FILE_POINTER && GetLastError() != NO_ERROR) {
+ li.QuadPart = -1;
+ }
+
+ return li.QuadPart;
+}
+
+static bool
+IsShortcutPath(const nsAString& aPath)
+{
+ // Under Windows, the shortcuts are just files with a ".lnk" extension.
+ // Note also that we don't resolve links in the middle of paths.
+ // i.e. "c:\foo.lnk\bar.txt" is invalid.
+ MOZ_ASSERT(!aPath.IsEmpty(), "don't pass an empty string");
+ int32_t len = aPath.Length();
+ return len >= 4 && (StringTail(aPath, 4).LowerCaseEqualsASCII(".lnk"));
+}
+
+//-----------------------------------------------------------------------------
+// We need the following three definitions to make |OpenFile| convert a file
+// handle to an NSPR file descriptor correctly when |O_APPEND| flag is
+// specified. It is defined in a private header of NSPR (primpl.h) we can't
+// include. As a temporary workaround until we decide how to extend
+// |PR_ImportFile|, we define it here. Currently, |_PR_HAVE_PEEK_BUFFER|
+// and |PR_STRICT_ADDR_LEN| are not defined for the 'w95'-dependent portion
+// of NSPR so that fields of |PRFilePrivate| #ifdef'd by them are not copied.
+// Similarly, |_MDFileDesc| is taken from nsprpub/pr/include/md/_win95.h.
+// In an unlikely case we switch to 'NT'-dependent NSPR AND this temporary
+// workaround last beyond the switch, |PRFilePrivate| and |_MDFileDesc|
+// need to be changed to match the definitions for WinNT.
+//-----------------------------------------------------------------------------
+typedef enum
+{
+ _PR_TRI_TRUE = 1,
+ _PR_TRI_FALSE = 0,
+ _PR_TRI_UNKNOWN = -1
+} _PRTriStateBool;
+
+struct _MDFileDesc
+{
+ PROsfd osfd;
+};
+
+struct PRFilePrivate
+{
+ int32_t state;
+ bool nonblocking;
+ _PRTriStateBool inheritable;
+ PRFileDesc* next;
+ int lockCount; /* 0: not locked
+ * -1: a native lockfile call is in progress
+ * > 0: # times the file is locked */
+ bool appendMode;
+ _MDFileDesc md;
+};
+
+//-----------------------------------------------------------------------------
+// Six static methods defined below (OpenFile, FileTimeToPRTime, GetFileInfo,
+// OpenDir, CloseDir, ReadDir) should go away once the corresponding
+// UTF-16 APIs are implemented on all the supported platforms (or at least
+// Windows 9x/ME) in NSPR. Currently, they're only implemented on
+// Windows NT4 or later. (bug 330665)
+//-----------------------------------------------------------------------------
+
+// copied from nsprpub/pr/src/{io/prfile.c | md/windows/w95io.c} :
+// PR_Open and _PR_MD_OPEN
+nsresult
+OpenFile(const nsAFlatString& aName,
+ int aOsflags,
+ int aMode,
+ bool aShareDelete,
+ PRFileDesc** aFd)
+{
+ int32_t access = 0;
+
+ int32_t shareMode = FILE_SHARE_READ | FILE_SHARE_WRITE;
+ int32_t disposition = 0;
+ int32_t attributes = 0;
+
+ if (aShareDelete) {
+ shareMode |= FILE_SHARE_DELETE;
+ }
+
+ if (aOsflags & PR_SYNC) {
+ attributes = FILE_FLAG_WRITE_THROUGH;
+ }
+ if (aOsflags & PR_RDONLY || aOsflags & PR_RDWR) {
+ access |= GENERIC_READ;
+ }
+ if (aOsflags & PR_WRONLY || aOsflags & PR_RDWR) {
+ access |= GENERIC_WRITE;
+ }
+
+ if (aOsflags & PR_CREATE_FILE && aOsflags & PR_EXCL) {
+ disposition = CREATE_NEW;
+ } else if (aOsflags & PR_CREATE_FILE) {
+ if (aOsflags & PR_TRUNCATE) {
+ disposition = CREATE_ALWAYS;
+ } else {
+ disposition = OPEN_ALWAYS;
+ }
+ } else {
+ if (aOsflags & PR_TRUNCATE) {
+ disposition = TRUNCATE_EXISTING;
+ } else {
+ disposition = OPEN_EXISTING;
+ }
+ }
+
+ if (aOsflags & nsIFile::DELETE_ON_CLOSE) {
+ attributes |= FILE_FLAG_DELETE_ON_CLOSE;
+ }
+
+ if (aOsflags & nsIFile::OS_READAHEAD) {
+ attributes |= FILE_FLAG_SEQUENTIAL_SCAN;
+ }
+
+ // If no write permissions are requested, and if we are possibly creating
+ // the file, then set the new file as read only.
+ // The flag has no effect if we happen to open the file.
+ if (!(aMode & (PR_IWUSR | PR_IWGRP | PR_IWOTH)) &&
+ disposition != OPEN_EXISTING) {
+ attributes |= FILE_ATTRIBUTE_READONLY;
+ }
+
+ HANDLE file = ::CreateFileW(aName.get(), access, shareMode,
+ nullptr, disposition, attributes, nullptr);
+
+ if (file == INVALID_HANDLE_VALUE) {
+ *aFd = nullptr;
+ return ConvertWinError(GetLastError());
+ }
+
+ *aFd = PR_ImportFile((PROsfd) file);
+ if (*aFd) {
+ // On Windows, _PR_HAVE_O_APPEND is not defined so that we have to
+ // add it manually. (see |PR_Open| in nsprpub/pr/src/io/prfile.c)
+ (*aFd)->secret->appendMode = (PR_APPEND & aOsflags) ? true : false;
+ return NS_OK;
+ }
+
+ nsresult rv = NS_ErrorAccordingToNSPR();
+
+ CloseHandle(file);
+
+ return rv;
+}
+
+// copied from nsprpub/pr/src/{io/prfile.c | md/windows/w95io.c} :
+// PR_FileTimeToPRTime and _PR_FileTimeToPRTime
+static void
+FileTimeToPRTime(const FILETIME* aFiletime, PRTime* aPrtm)
+{
+#ifdef __GNUC__
+ const PRTime _pr_filetime_offset = 116444736000000000LL;
+#else
+ const PRTime _pr_filetime_offset = 116444736000000000i64;
+#endif
+
+ MOZ_ASSERT(sizeof(FILETIME) == sizeof(PRTime));
+ ::CopyMemory(aPrtm, aFiletime, sizeof(PRTime));
+#ifdef __GNUC__
+ *aPrtm = (*aPrtm - _pr_filetime_offset) / 10LL;
+#else
+ *aPrtm = (*aPrtm - _pr_filetime_offset) / 10i64;
+#endif
+}
+
+// copied from nsprpub/pr/src/{io/prfile.c | md/windows/w95io.c} with some
+// changes : PR_GetFileInfo64, _PR_MD_GETFILEINFO64
+static nsresult
+GetFileInfo(const nsAFlatString& aName, PRFileInfo64* aInfo)
+{
+ WIN32_FILE_ATTRIBUTE_DATA fileData;
+
+ if (aName.IsEmpty() || aName.FindCharInSet(u"?*") != kNotFound) {
+ return NS_ERROR_INVALID_ARG;
+ }
+
+ if (!::GetFileAttributesExW(aName.get(), GetFileExInfoStandard, &fileData)) {
+ return ConvertWinError(GetLastError());
+ }
+
+ if (fileData.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY) {
+ aInfo->type = PR_FILE_DIRECTORY;
+ } else {
+ aInfo->type = PR_FILE_FILE;
+ }
+
+ aInfo->size = fileData.nFileSizeHigh;
+ aInfo->size = (aInfo->size << 32) + fileData.nFileSizeLow;
+
+ FileTimeToPRTime(&fileData.ftLastWriteTime, &aInfo->modifyTime);
+
+ if (0 == fileData.ftCreationTime.dwLowDateTime &&
+ 0 == fileData.ftCreationTime.dwHighDateTime) {
+ aInfo->creationTime = aInfo->modifyTime;
+ } else {
+ FileTimeToPRTime(&fileData.ftCreationTime, &aInfo->creationTime);
+ }
+
+ return NS_OK;
+}
+
+struct nsDir
+{
+ HANDLE handle;
+ WIN32_FIND_DATAW data;
+ bool firstEntry;
+};
+
+static nsresult
+OpenDir(const nsAFlatString& aName, nsDir** aDir)
+{
+ if (NS_WARN_IF(!aDir)) {
+ return NS_ERROR_INVALID_ARG;
+ }
+
+ *aDir = nullptr;
+ if (aName.Length() + 3 >= MAX_PATH) {
+ return NS_ERROR_FILE_NAME_TOO_LONG;
+ }
+
+ nsDir* d = new nsDir();
+ nsAutoString filename(aName);
+
+ // If |aName| ends in a slash or backslash, do not append another backslash.
+ if (filename.Last() == L'/' || filename.Last() == L'\\') {
+ filename.Append('*');
+ } else {
+ filename.AppendLiteral("\\*");
+ }
+
+ filename.ReplaceChar(L'/', L'\\');
+
+ // FindFirstFileW Will have a last error of ERROR_DIRECTORY if
+ // <file_path>\* is passed in. If <unknown_path>\* is passed in then
+ // ERROR_PATH_NOT_FOUND will be the last error.
+ d->handle = ::FindFirstFileW(filename.get(), &(d->data));
+
+ if (d->handle == INVALID_HANDLE_VALUE) {
+ delete d;
+ return ConvertWinError(GetLastError());
+ }
+ d->firstEntry = true;
+
+ *aDir = d;
+ return NS_OK;
+}
+
+static nsresult
+ReadDir(nsDir* aDir, PRDirFlags aFlags, nsString& aName)
+{
+ aName.Truncate();
+ if (NS_WARN_IF(!aDir)) {
+ return NS_ERROR_INVALID_ARG;
+ }
+
+ while (1) {
+ BOOL rv;
+ if (aDir->firstEntry) {
+ aDir->firstEntry = false;
+ rv = 1;
+ } else {
+ rv = ::FindNextFileW(aDir->handle, &(aDir->data));
+ }
+
+ if (rv == 0) {
+ break;
+ }
+
+ const wchar_t* fileName;
+ fileName = (aDir)->data.cFileName;
+
+ if ((aFlags & PR_SKIP_DOT) &&
+ (fileName[0] == L'.') && (fileName[1] == L'\0')) {
+ continue;
+ }
+ if ((aFlags & PR_SKIP_DOT_DOT) &&
+ (fileName[0] == L'.') && (fileName[1] == L'.') &&
+ (fileName[2] == L'\0')) {
+ continue;
+ }
+
+ DWORD attrib = aDir->data.dwFileAttributes;
+ if ((aFlags & PR_SKIP_HIDDEN) && (attrib & FILE_ATTRIBUTE_HIDDEN)) {
+ continue;
+ }
+
+ aName = fileName;
+ return NS_OK;
+ }
+
+ DWORD err = GetLastError();
+ return err == ERROR_NO_MORE_FILES ? NS_OK : ConvertWinError(err);
+}
+
+static nsresult
+CloseDir(nsDir*& aDir)
+{
+ if (NS_WARN_IF(!aDir)) {
+ return NS_ERROR_INVALID_ARG;
+ }
+
+ BOOL isOk = FindClose(aDir->handle);
+ delete aDir;
+ aDir = nullptr;
+ return isOk ? NS_OK : ConvertWinError(GetLastError());
+}
+
+//-----------------------------------------------------------------------------
+// nsDirEnumerator
+//-----------------------------------------------------------------------------
+
+class nsDirEnumerator final
+ : public nsISimpleEnumerator
+ , public nsIDirectoryEnumerator
+{
+private:
+ ~nsDirEnumerator()
+ {
+ Close();
+ }
+
+public:
+ NS_DECL_ISUPPORTS
+
+ nsDirEnumerator() : mDir(nullptr)
+ {
+ }
+
+ nsresult Init(nsIFile* aParent)
+ {
+ nsAutoString filepath;
+ aParent->GetTarget(filepath);
+
+ if (filepath.IsEmpty()) {
+ aParent->GetPath(filepath);
+ }
+
+ if (filepath.IsEmpty()) {
+ return NS_ERROR_UNEXPECTED;
+ }
+
+ // IsDirectory is not needed here because OpenDir will return
+ // NS_ERROR_FILE_NOT_DIRECTORY if the passed in path is a file.
+ nsresult rv = OpenDir(filepath, &mDir);
+ if (NS_FAILED(rv)) {
+ return rv;
+ }
+
+ mParent = aParent;
+ return NS_OK;
+ }
+
+ NS_IMETHOD HasMoreElements(bool* aResult)
+ {
+ nsresult rv;
+ if (!mNext && mDir) {
+ nsString name;
+ rv = ReadDir(mDir, PR_SKIP_BOTH, name);
+ if (NS_FAILED(rv)) {
+ return rv;
+ }
+ if (name.IsEmpty()) {
+ // end of dir entries
+ if (NS_FAILED(CloseDir(mDir))) {
+ return NS_ERROR_FAILURE;
+ }
+
+ *aResult = false;
+ return NS_OK;
+ }
+
+ nsCOMPtr<nsIFile> file;
+ rv = mParent->Clone(getter_AddRefs(file));
+ if (NS_FAILED(rv)) {
+ return rv;
+ }
+
+ rv = file->Append(name);
+ if (NS_FAILED(rv)) {
+ return rv;
+ }
+
+ mNext = do_QueryInterface(file);
+ }
+ *aResult = mNext != nullptr;
+ if (!*aResult) {
+ Close();
+ }
+ return NS_OK;
+ }
+
+ NS_IMETHOD GetNext(nsISupports** aResult)
+ {
+ nsresult rv;
+ bool hasMore;
+ rv = HasMoreElements(&hasMore);
+ if (NS_FAILED(rv)) {
+ return rv;
+ }
+
+ *aResult = mNext; // might return nullptr
+ NS_IF_ADDREF(*aResult);
+
+ mNext = nullptr;
+ return NS_OK;
+ }
+
+ NS_IMETHOD GetNextFile(nsIFile** aResult)
+ {
+ *aResult = nullptr;
+ bool hasMore = false;
+ nsresult rv = HasMoreElements(&hasMore);
+ if (NS_FAILED(rv) || !hasMore) {
+ return rv;
+ }
+ *aResult = mNext;
+ NS_IF_ADDREF(*aResult);
+ mNext = nullptr;
+ return NS_OK;
+ }
+
+ NS_IMETHOD Close()
+ {
+ if (mDir) {
+ nsresult rv = CloseDir(mDir);
+ NS_ASSERTION(NS_SUCCEEDED(rv), "close failed");
+ if (NS_FAILED(rv)) {
+ return NS_ERROR_FAILURE;
+ }
+ }
+ return NS_OK;
+ }
+
+protected:
+ nsDir* mDir;
+ nsCOMPtr<nsIFile> mParent;
+ nsCOMPtr<nsIFile> mNext;
+};
+
+NS_IMPL_ISUPPORTS(nsDirEnumerator, nsISimpleEnumerator, nsIDirectoryEnumerator)
+
+
+//-----------------------------------------------------------------------------
+// nsLocalFile <public>
+//-----------------------------------------------------------------------------
+
+nsLocalFile::nsLocalFile()
+ : mDirty(true)
+ , mResolveDirty(true)
+ , mFollowSymlinks(false)
+{
+}
+
+nsresult
+nsLocalFile::nsLocalFileConstructor(nsISupports* aOuter, const nsIID& aIID,
+ void** aInstancePtr)
+{
+ if (NS_WARN_IF(!aInstancePtr)) {
+ return NS_ERROR_INVALID_ARG;
+ }
+ if (NS_WARN_IF(aOuter)) {
+ return NS_ERROR_NO_AGGREGATION;
+ }
+
+ nsLocalFile* inst = new nsLocalFile();
+ nsresult rv = inst->QueryInterface(aIID, aInstancePtr);
+ if (NS_FAILED(rv)) {
+ delete inst;
+ return rv;
+ }
+ return NS_OK;
+}
+
+
+//-----------------------------------------------------------------------------
+// nsLocalFile::nsISupports
+//-----------------------------------------------------------------------------
+
+NS_IMPL_ISUPPORTS(nsLocalFile,
+ nsILocalFile,
+ nsIFile,
+ nsILocalFileWin,
+ nsIHashable)
+
+
+//-----------------------------------------------------------------------------
+// nsLocalFile <private>
+//-----------------------------------------------------------------------------
+
+nsLocalFile::nsLocalFile(const nsLocalFile& aOther)
+ : mDirty(true)
+ , mResolveDirty(true)
+ , mFollowSymlinks(aOther.mFollowSymlinks)
+ , mWorkingPath(aOther.mWorkingPath)
+{
+}
+
+// Resolve the shortcut file from mWorkingPath and write the path
+// it points to into mResolvedPath.
+nsresult
+nsLocalFile::ResolveShortcut()
+{
+ // we can't do anything without the resolver
+ if (!gResolver) {
+ return NS_ERROR_FAILURE;
+ }
+
+ mResolvedPath.SetLength(MAX_PATH);
+ if (mResolvedPath.Length() != MAX_PATH) {
+ return NS_ERROR_OUT_OF_MEMORY;
+ }
+
+ wchar_t* resolvedPath = wwc(mResolvedPath.BeginWriting());
+
+ // resolve this shortcut
+ nsresult rv = gResolver->Resolve(mWorkingPath.get(), resolvedPath);
+
+ size_t len = NS_FAILED(rv) ? 0 : wcslen(resolvedPath);
+ mResolvedPath.SetLength(len);
+
+ return rv;
+}
+
+// Resolve any shortcuts and stat the resolved path. After a successful return
+// the path is guaranteed valid and the members of mFileInfo64 can be used.
+nsresult
+nsLocalFile::ResolveAndStat()
+{
+ // if we aren't dirty then we are already done
+ if (!mDirty) {
+ return NS_OK;
+ }
+
+ PROFILER_LABEL_FUNC(js::ProfileEntry::Category::OTHER);
+ // we can't resolve/stat anything that isn't a valid NSPR addressable path
+ if (mWorkingPath.IsEmpty()) {
+ return NS_ERROR_FILE_INVALID_PATH;
+ }
+
+ // this is usually correct
+ mResolvedPath.Assign(mWorkingPath);
+
+ // slutty hack designed to work around bug 134796 until it is fixed
+ nsAutoString nsprPath(mWorkingPath.get());
+ if (mWorkingPath.Length() == 2 && mWorkingPath.CharAt(1) == L':') {
+ nsprPath.Append('\\');
+ }
+
+ // first we will see if the working path exists. If it doesn't then
+ // there is nothing more that can be done
+ nsresult rv = GetFileInfo(nsprPath, &mFileInfo64);
+ if (NS_FAILED(rv)) {
+ return rv;
+ }
+
+ // if this isn't a shortcut file or we aren't following symlinks then we're done
+ if (!mFollowSymlinks ||
+ mFileInfo64.type != PR_FILE_FILE ||
+ !IsShortcutPath(mWorkingPath)) {
+ mDirty = false;
+ mResolveDirty = false;
+ return NS_OK;
+ }
+
+ // we need to resolve this shortcut to what it points to, this will
+ // set mResolvedPath. Even if it fails we need to have the resolved
+ // path equal to working path for those functions that always use
+ // the resolved path.
+ rv = ResolveShortcut();
+ if (NS_FAILED(rv)) {
+ mResolvedPath.Assign(mWorkingPath);
+ return rv;
+ }
+ mResolveDirty = false;
+
+ // get the details of the resolved path
+ rv = GetFileInfo(mResolvedPath, &mFileInfo64);
+ if (NS_FAILED(rv)) {
+ return rv;
+ }
+
+ mDirty = false;
+ return NS_OK;
+}
+
+/**
+ * Fills the mResolvedPath member variable with the file or symlink target
+ * if follow symlinks is on. This is a copy of the Resolve parts from
+ * ResolveAndStat. ResolveAndStat is much slower though because of the stat.
+ *
+ * @return NS_OK on success.
+*/
+nsresult
+nsLocalFile::Resolve()
+{
+ // if we aren't dirty then we are already done
+ if (!mResolveDirty) {
+ return NS_OK;
+ }
+
+ // we can't resolve/stat anything that isn't a valid NSPR addressable path
+ if (mWorkingPath.IsEmpty()) {
+ return NS_ERROR_FILE_INVALID_PATH;
+ }
+
+ // this is usually correct
+ mResolvedPath.Assign(mWorkingPath);
+
+ // if this isn't a shortcut file or we aren't following symlinks then
+ // we're done.
+ if (!mFollowSymlinks ||
+ !IsShortcutPath(mWorkingPath)) {
+ mResolveDirty = false;
+ return NS_OK;
+ }
+
+ // we need to resolve this shortcut to what it points to, this will
+ // set mResolvedPath. Even if it fails we need to have the resolved
+ // path equal to working path for those functions that always use
+ // the resolved path.
+ nsresult rv = ResolveShortcut();
+ if (NS_FAILED(rv)) {
+ mResolvedPath.Assign(mWorkingPath);
+ return rv;
+ }
+
+ mResolveDirty = false;
+ return NS_OK;
+}
+
+//-----------------------------------------------------------------------------
+// nsLocalFile::nsIFile,nsILocalFile
+//-----------------------------------------------------------------------------
+
+NS_IMETHODIMP
+nsLocalFile::Clone(nsIFile** aFile)
+{
+ // Just copy-construct ourselves
+ RefPtr<nsLocalFile> file = new nsLocalFile(*this);
+ file.forget(aFile);
+
+ return NS_OK;
+}
+
+NS_IMETHODIMP
+nsLocalFile::InitWithFile(nsIFile* aFile)
+{
+ if (NS_WARN_IF(!aFile)) {
+ return NS_ERROR_INVALID_ARG;
+ }
+
+ nsAutoString path;
+ aFile->GetPath(path);
+ if (path.IsEmpty()) {
+ return NS_ERROR_INVALID_ARG;
+ }
+ return InitWithPath(path);
+}
+
+NS_IMETHODIMP
+nsLocalFile::InitWithPath(const nsAString& aFilePath)
+{
+ MakeDirty();
+
+ nsAString::const_iterator begin, end;
+ aFilePath.BeginReading(begin);
+ aFilePath.EndReading(end);
+
+ // input string must not be empty
+ if (begin == end) {
+ return NS_ERROR_FAILURE;
+ }
+
+ char16_t firstChar = *begin;
+ char16_t secondChar = *(++begin);
+
+ // just do a sanity check. if it has any forward slashes, it is not a Native path
+ // on windows. Also, it must have a colon at after the first char.
+ if (FindCharInReadable(L'/', begin, end)) {
+ return NS_ERROR_FILE_UNRECOGNIZED_PATH;
+ }
+
+ if (secondChar != L':' && (secondChar != L'\\' || firstChar != L'\\')) {
+ return NS_ERROR_FILE_UNRECOGNIZED_PATH;
+ }
+
+ if (secondChar == L':') {
+ // Make sure we have a valid drive, later code assumes the drive letter
+ // is a single char a-z or A-Z.
+ if (PathGetDriveNumberW(aFilePath.Data()) == -1) {
+ return NS_ERROR_FILE_UNRECOGNIZED_PATH;
+ }
+ }
+
+ mWorkingPath = aFilePath;
+ // kill any trailing '\'
+ if (mWorkingPath.Last() == L'\\') {
+ mWorkingPath.Truncate(mWorkingPath.Length() - 1);
+ }
+
+ return NS_OK;
+
+}
+
+// Strip a handler command string of its quotes and parameters.
+static void
+CleanupHandlerPath(nsString& aPath)
+{
+ // Example command strings passed into this routine:
+
+ // 1) C:\Program Files\Company\some.exe -foo -bar
+ // 2) C:\Program Files\Company\some.dll
+ // 3) C:\Windows\some.dll,-foo -bar
+ // 4) C:\Windows\some.cpl,-foo -bar
+
+ int32_t lastCommaPos = aPath.RFindChar(',');
+ if (lastCommaPos != kNotFound)
+ aPath.Truncate(lastCommaPos);
+
+ aPath.Append(' ');
+
+ // case insensitive
+ uint32_t index = aPath.Find(".exe ", true);
+ if (index == kNotFound)
+ index = aPath.Find(".dll ", true);
+ if (index == kNotFound)
+ index = aPath.Find(".cpl ", true);
+
+ if (index != kNotFound)
+ aPath.Truncate(index + 4);
+ aPath.Trim(" ", true, true);
+}
+
+// Strip the windows host process bootstrap executable rundll32.exe
+// from a handler's command string if it exists.
+static void
+StripRundll32(nsString& aCommandString)
+{
+ // Example rundll formats:
+ // C:\Windows\System32\rundll32.exe "path to dll"
+ // rundll32.exe "path to dll"
+ // C:\Windows\System32\rundll32.exe "path to dll", var var
+ // rundll32.exe "path to dll", var var
+
+ NS_NAMED_LITERAL_STRING(rundllSegment, "rundll32.exe ");
+ NS_NAMED_LITERAL_STRING(rundllSegmentShort, "rundll32 ");
+
+ // case insensitive
+ int32_t strLen = rundllSegment.Length();
+ int32_t index = aCommandString.Find(rundllSegment, true);
+ if (index == kNotFound) {
+ strLen = rundllSegmentShort.Length();
+ index = aCommandString.Find(rundllSegmentShort, true);
+ }
+
+ if (index != kNotFound) {
+ uint32_t rundllSegmentLength = index + strLen;
+ aCommandString.Cut(0, rundllSegmentLength);
+ }
+}
+
+// Returns the fully qualified path to an application handler based on
+// a parameterized command string. Note this routine should not be used
+// to launch the associated application as it strips parameters and
+// rundll.exe from the string. Designed for retrieving display information
+// on a particular handler.
+/* static */ bool
+nsLocalFile::CleanupCmdHandlerPath(nsAString& aCommandHandler)
+{
+ nsAutoString handlerCommand(aCommandHandler);
+
+ // Straight command path:
+ //
+ // %SystemRoot%\system32\NOTEPAD.EXE var
+ // "C:\Program Files\iTunes\iTunes.exe" var var
+ // C:\Program Files\iTunes\iTunes.exe var var
+ //
+ // Example rundll handlers:
+ //
+ // rundll32.exe "%ProgramFiles%\Win...ery\PhotoViewer.dll", var var
+ // rundll32.exe "%ProgramFiles%\Windows Photo Gallery\PhotoViewer.dll"
+ // C:\Windows\System32\rundll32.exe "path to dll", var var
+ // %SystemRoot%\System32\rundll32.exe "%ProgramFiles%\Win...ery\Photo
+ // Viewer.dll", var var
+
+ // Expand environment variables so we have full path strings.
+ uint32_t bufLength = ::ExpandEnvironmentStringsW(handlerCommand.get(),
+ L"", 0);
+ if (bufLength == 0) // Error
+ return false;
+
+ auto destination = mozilla::MakeUniqueFallible<wchar_t[]>(bufLength);
+ if (!destination)
+ return false;
+ if (!::ExpandEnvironmentStringsW(handlerCommand.get(), destination.get(),
+ bufLength))
+ return false;
+
+ handlerCommand.Assign(destination.get());
+
+ // Remove quotes around paths
+ handlerCommand.StripChars("\"");
+
+ // Strip windows host process bootstrap so we can get to the actual
+ // handler.
+ StripRundll32(handlerCommand);
+
+ // Trim any command parameters so that we have a native path we can
+ // initialize a local file with.
+ CleanupHandlerPath(handlerCommand);
+
+ aCommandHandler.Assign(handlerCommand);
+ return true;
+}
+
+
+NS_IMETHODIMP
+nsLocalFile::InitWithCommandLine(const nsAString& aCommandLine)
+{
+ nsAutoString commandLine(aCommandLine);
+ if (!CleanupCmdHandlerPath(commandLine)) {
+ return NS_ERROR_FILE_UNRECOGNIZED_PATH;
+ }
+ return InitWithPath(commandLine);
+}
+
+NS_IMETHODIMP
+nsLocalFile::OpenNSPRFileDesc(int32_t aFlags, int32_t aMode,
+ PRFileDesc** aResult)
+{
+ nsresult rv = OpenNSPRFileDescMaybeShareDelete(aFlags, aMode, false, aResult);
+ if (NS_FAILED(rv)) {
+ return rv;
+ }
+
+ return NS_OK;
+}
+
+
+NS_IMETHODIMP
+nsLocalFile::OpenANSIFileDesc(const char* aMode, FILE** aResult)
+{
+ nsresult rv = ResolveAndStat();
+ if (NS_FAILED(rv) && rv != NS_ERROR_FILE_NOT_FOUND) {
+ return rv;
+ }
+
+ *aResult = _wfopen(mResolvedPath.get(), NS_ConvertASCIItoUTF16(aMode).get());
+ if (*aResult) {
+ return NS_OK;
+ }
+
+ return NS_ERROR_FAILURE;
+}
+
+
+
+NS_IMETHODIMP
+nsLocalFile::Create(uint32_t aType, uint32_t aAttributes)
+{
+ if (aType != NORMAL_FILE_TYPE && aType != DIRECTORY_TYPE) {
+ return NS_ERROR_FILE_UNKNOWN_TYPE;
+ }
+
+ nsresult rv = ResolveAndStat();
+ if (NS_FAILED(rv) && rv != NS_ERROR_FILE_NOT_FOUND) {
+ return rv;
+ }
+
+ // create directories to target
+ //
+ // A given local file can be either one of these forms:
+ //
+ // - normal: X:\some\path\on\this\drive
+ // ^--- start here
+ //
+ // - UNC path: \\machine\volume\some\path\on\this\drive
+ // ^--- start here
+ //
+ // Skip the first 'X:\' for the first form, and skip the first full
+ // '\\machine\volume\' segment for the second form.
+
+ wchar_t* path = wwc(mResolvedPath.BeginWriting());
+
+ if (path[0] == L'\\' && path[1] == L'\\') {
+ // dealing with a UNC path here; skip past '\\machine\'
+ path = wcschr(path + 2, L'\\');
+ if (!path) {
+ return NS_ERROR_FILE_INVALID_PATH;
+ }
+ ++path;
+ }
+
+ // search for first slash after the drive (or volume) name
+ wchar_t* slash = wcschr(path, L'\\');
+
+ nsresult directoryCreateError = NS_OK;
+ if (slash) {
+ // skip the first '\\'
+ ++slash;
+ slash = wcschr(slash, L'\\');
+
+ while (slash) {
+ *slash = L'\0';
+
+ if (!::CreateDirectoryW(mResolvedPath.get(), nullptr)) {
+ rv = ConvertWinError(GetLastError());
+ if (NS_ERROR_FILE_NOT_FOUND == rv &&
+ NS_ERROR_FILE_ACCESS_DENIED == directoryCreateError) {
+ // If a previous CreateDirectory failed due to access, return that.
+ return NS_ERROR_FILE_ACCESS_DENIED;
+ }
+ // perhaps the base path already exists, or perhaps we don't have
+ // permissions to create the directory. NOTE: access denied could
+ // occur on a parent directory even though it exists.
+ else if (rv != NS_ERROR_FILE_ALREADY_EXISTS &&
+ rv != NS_ERROR_FILE_ACCESS_DENIED) {
+ return rv;
+ }
+
+ directoryCreateError = rv;
+ }
+ *slash = L'\\';
+ ++slash;
+ slash = wcschr(slash, L'\\');
+ }
+ }
+
+ if (aType == NORMAL_FILE_TYPE) {
+ PRFileDesc* file;
+ rv = OpenFile(mResolvedPath,
+ PR_RDONLY | PR_CREATE_FILE | PR_APPEND | PR_EXCL,
+ aAttributes, false, &file);
+ if (file) {
+ PR_Close(file);
+ }
+
+ if (rv == NS_ERROR_FILE_ACCESS_DENIED) {
+ // need to return already-exists for directories (bug 452217)
+ bool isdir;
+ if (NS_SUCCEEDED(IsDirectory(&isdir)) && isdir) {
+ rv = NS_ERROR_FILE_ALREADY_EXISTS;
+ }
+ } else if (NS_ERROR_FILE_NOT_FOUND == rv &&
+ NS_ERROR_FILE_ACCESS_DENIED == directoryCreateError) {
+ // If a previous CreateDirectory failed due to access, return that.
+ return NS_ERROR_FILE_ACCESS_DENIED;
+ }
+ return rv;
+ }
+
+ if (aType == DIRECTORY_TYPE) {
+ if (!::CreateDirectoryW(mResolvedPath.get(), nullptr)) {
+ rv = ConvertWinError(GetLastError());
+ if (NS_ERROR_FILE_NOT_FOUND == rv &&
+ NS_ERROR_FILE_ACCESS_DENIED == directoryCreateError) {
+ // If a previous CreateDirectory failed due to access, return that.
+ return NS_ERROR_FILE_ACCESS_DENIED;
+ }
+ return rv;
+ }
+ return NS_OK;
+ }
+
+ return NS_ERROR_FILE_UNKNOWN_TYPE;
+}
+
+
+NS_IMETHODIMP
+nsLocalFile::Append(const nsAString& aNode)
+{
+ // append this path, multiple components are not permitted
+ return AppendInternal(PromiseFlatString(aNode), false);
+}
+
+NS_IMETHODIMP
+nsLocalFile::AppendRelativePath(const nsAString& aNode)
+{
+ // append this path, multiple components are permitted
+ return AppendInternal(PromiseFlatString(aNode), true);
+}
+
+
+nsresult
+nsLocalFile::AppendInternal(const nsAFlatString& aNode,
+ bool aMultipleComponents)
+{
+ if (aNode.IsEmpty()) {
+ return NS_OK;
+ }
+
+ // check the relative path for validity
+ if (aNode.First() == L'\\' || // can't start with an '\'
+ aNode.Contains(L'/') || // can't contain /
+ aNode.EqualsASCII("..")) { // can't be ..
+ return NS_ERROR_FILE_UNRECOGNIZED_PATH;
+ }
+
+ if (aMultipleComponents) {
+ // can't contain .. as a path component. Ensure that the valid components
+ // "foo..foo", "..foo", and "foo.." are not falsely detected,
+ // but the invalid paths "..\", "foo\..", "foo\..\foo",
+ // "..\foo", etc are.
+ NS_NAMED_LITERAL_STRING(doubleDot, "\\..");
+ nsAString::const_iterator start, end, offset;
+ aNode.BeginReading(start);
+ aNode.EndReading(end);
+ offset = end;
+ while (FindInReadable(doubleDot, start, offset)) {
+ if (offset == end || *offset == L'\\') {
+ return NS_ERROR_FILE_UNRECOGNIZED_PATH;
+ }
+ start = offset;
+ offset = end;
+ }
+
+ // catches the remaining cases of prefixes
+ if (StringBeginsWith(aNode, NS_LITERAL_STRING("..\\"))) {
+ return NS_ERROR_FILE_UNRECOGNIZED_PATH;
+ }
+ }
+ // single components can't contain '\'
+ else if (aNode.Contains(L'\\')) {
+ return NS_ERROR_FILE_UNRECOGNIZED_PATH;
+ }
+
+ MakeDirty();
+
+ mWorkingPath.Append('\\');
+ mWorkingPath.Append(aNode);
+
+ return NS_OK;
+}
+
+nsresult
+nsLocalFile::OpenNSPRFileDescMaybeShareDelete(int32_t aFlags,
+ int32_t aMode,
+ bool aShareDelete,
+ PRFileDesc** aResult)
+{
+ nsresult rv = Resolve();
+ if (NS_FAILED(rv)) {
+ return rv;
+ }
+
+ return OpenFile(mResolvedPath, aFlags, aMode, aShareDelete, aResult);
+}
+
+#define TOUPPER(u) (((u) >= L'a' && (u) <= L'z') ? \
+ (u) - (L'a' - L'A') : (u))
+
+NS_IMETHODIMP
+nsLocalFile::Normalize()
+{
+ // XXX See bug 187957 comment 18 for possible problems with this implementation.
+
+ if (mWorkingPath.IsEmpty()) {
+ return NS_OK;
+ }
+
+ nsAutoString path(mWorkingPath);
+
+ // find the index of the root backslash for the path. Everything before
+ // this is considered fully normalized and cannot be ascended beyond
+ // using ".." For a local drive this is the first slash (e.g. "c:\").
+ // For a UNC path it is the slash following the share name
+ // (e.g. "\\server\share\").
+ int32_t rootIdx = 2; // default to local drive
+ if (path.First() == L'\\') { // if a share then calculate the rootIdx
+ rootIdx = path.FindChar(L'\\', 2); // skip \\ in front of the server
+ if (rootIdx == kNotFound) {
+ return NS_OK; // already normalized
+ }
+ rootIdx = path.FindChar(L'\\', rootIdx + 1);
+ if (rootIdx == kNotFound) {
+ return NS_OK; // already normalized
+ }
+ } else if (path.CharAt(rootIdx) != L'\\') {
+ // The path has been specified relative to the current working directory
+ // for that drive. To normalize it, the current working directory for
+ // that drive needs to be inserted before the supplied relative path
+ // which will provide an absolute path (and the rootIdx will still be 2).
+ WCHAR cwd[MAX_PATH];
+ WCHAR* pcwd = cwd;
+ int drive = TOUPPER(path.First()) - 'A' + 1;
+ /* We need to worry about IPH, for details read bug 419326.
+ * _getdrives - http://msdn2.microsoft.com/en-us/library/xdhk0xd2.aspx
+ * uses a bitmask, bit 0 is 'a:'
+ * _chdrive - http://msdn2.microsoft.com/en-us/library/0d1409hb.aspx
+ * _getdcwd - http://msdn2.microsoft.com/en-us/library/7t2zk3s4.aspx
+ * take an int, 1 is 'a:'.
+ *
+ * Because of this, we need to do some math. Subtract 1 to convert from
+ * _chdrive/_getdcwd format to _getdrives drive numbering.
+ * Shift left x bits to convert from integer indexing to bitfield indexing.
+ * And of course, we need to find out if the drive is in the bitmask.
+ *
+ * If we're really unlucky, we can still lose, but only if the user
+ * manages to eject the drive between our call to _getdrives() and
+ * our *calls* to _wgetdcwd.
+ */
+ if (!((1 << (drive - 1)) & _getdrives())) {
+ return NS_ERROR_FILE_INVALID_PATH;
+ }
+ if (!_wgetdcwd(drive, pcwd, MAX_PATH)) {
+ pcwd = _wgetdcwd(drive, 0, 0);
+ }
+ if (!pcwd) {
+ return NS_ERROR_OUT_OF_MEMORY;
+ }
+ nsAutoString currentDir(pcwd);
+ if (pcwd != cwd) {
+ free(pcwd);
+ }
+
+ if (currentDir.Last() == '\\') {
+ path.Replace(0, 2, currentDir);
+ } else {
+ path.Replace(0, 2, currentDir + NS_LITERAL_STRING("\\"));
+ }
+ }
+ NS_POSTCONDITION(0 < rootIdx && rootIdx < (int32_t)path.Length(), "rootIdx is invalid");
+ NS_POSTCONDITION(path.CharAt(rootIdx) == '\\', "rootIdx is invalid");
+
+ // if there is nothing following the root path then it is already normalized
+ if (rootIdx + 1 == (int32_t)path.Length()) {
+ return NS_OK;
+ }
+
+ // assign the root
+ const char16_t* pathBuffer = path.get(); // simplify access to the buffer
+ mWorkingPath.SetCapacity(path.Length()); // it won't ever grow longer
+ mWorkingPath.Assign(pathBuffer, rootIdx);
+
+ // Normalize the path components. The actions taken are:
+ //
+ // "\\" condense to single backslash
+ // "." remove from path
+ // ".." up a directory
+ // "..." remove from path (any number of dots > 2)
+ //
+ // The last form is something that Windows 95 and 98 supported and
+ // is a shortcut for changing up multiple directories. Windows XP
+ // and ilk ignore it in a path, as is done here.
+ int32_t len, begin, end = rootIdx;
+ while (end < (int32_t)path.Length()) {
+ // find the current segment (text between the backslashes) to
+ // be examined, this will set the following variables:
+ // begin == index of first char in segment
+ // end == index 1 char after last char in segment
+ // len == length of segment
+ begin = end + 1;
+ end = path.FindChar('\\', begin);
+ if (end == kNotFound) {
+ end = path.Length();
+ }
+ len = end - begin;
+
+ // ignore double backslashes
+ if (len == 0) {
+ continue;
+ }
+
+ // len != 0, and interesting paths always begin with a dot
+ if (pathBuffer[begin] == '.') {
+ // ignore single dots
+ if (len == 1) {
+ continue;
+ }
+
+ // handle multiple dots
+ if (len >= 2 && pathBuffer[begin + 1] == L'.') {
+ // back up a path component on double dot
+ if (len == 2) {
+ int32_t prev = mWorkingPath.RFindChar('\\');
+ if (prev >= rootIdx) {
+ mWorkingPath.Truncate(prev);
+ }
+ continue;
+ }
+
+ // length is > 2 and the first two characters are dots.
+ // if the rest of the string is dots, then ignore it.
+ int idx = len - 1;
+ for (; idx >= 2; --idx) {
+ if (pathBuffer[begin + idx] != L'.') {
+ break;
+ }
+ }
+
+ // this is true if the loop above didn't break
+ // and all characters in this segment are dots.
+ if (idx < 2) {
+ continue;
+ }
+ }
+ }
+
+ // add the current component to the path, including the preceding backslash
+ mWorkingPath.Append(pathBuffer + begin - 1, len + 1);
+ }
+
+ // kill trailing dots and spaces.
+ int32_t filePathLen = mWorkingPath.Length() - 1;
+ while (filePathLen > 0 && (mWorkingPath[filePathLen] == L' ' ||
+ mWorkingPath[filePathLen] == L'.')) {
+ mWorkingPath.Truncate(filePathLen--);
+ }
+
+ MakeDirty();
+ return NS_OK;
+}
+
+NS_IMETHODIMP
+nsLocalFile::GetLeafName(nsAString& aLeafName)
+{
+ aLeafName.Truncate();
+
+ if (mWorkingPath.IsEmpty()) {
+ return NS_ERROR_FILE_UNRECOGNIZED_PATH;
+ }
+
+ int32_t offset = mWorkingPath.RFindChar(L'\\');
+
+ // if the working path is just a node without any lashes.
+ if (offset == kNotFound) {
+ aLeafName = mWorkingPath;
+ } else {
+ aLeafName = Substring(mWorkingPath, offset + 1);
+ }
+
+ return NS_OK;
+}
+
+NS_IMETHODIMP
+nsLocalFile::SetLeafName(const nsAString& aLeafName)
+{
+ MakeDirty();
+
+ if (mWorkingPath.IsEmpty()) {
+ return NS_ERROR_FILE_UNRECOGNIZED_PATH;
+ }
+
+ // cannot use nsCString::RFindChar() due to 0x5c problem
+ int32_t offset = mWorkingPath.RFindChar(L'\\');
+ if (offset) {
+ mWorkingPath.Truncate(offset + 1);
+ }
+ mWorkingPath.Append(aLeafName);
+
+ return NS_OK;
+}
+
+
+NS_IMETHODIMP
+nsLocalFile::GetPath(nsAString& aResult)
+{
+ aResult = mWorkingPath;
+ return NS_OK;
+}
+
+NS_IMETHODIMP
+nsLocalFile::GetCanonicalPath(nsAString& aResult)
+{
+ EnsureShortPath();
+ aResult.Assign(mShortWorkingPath);
+ return NS_OK;
+}
+
+typedef struct
+{
+ WORD wLanguage;
+ WORD wCodePage;
+} LANGANDCODEPAGE;
+
+NS_IMETHODIMP
+nsLocalFile::GetVersionInfoField(const char* aField, nsAString& aResult)
+{
+ nsresult rv = ResolveAndStat();
+ if (NS_FAILED(rv)) {
+ return rv;
+ }
+
+ rv = NS_ERROR_FAILURE;
+
+ const WCHAR* path =
+ mFollowSymlinks ? mResolvedPath.get() : mWorkingPath.get();
+
+ DWORD dummy;
+ DWORD size = ::GetFileVersionInfoSizeW(path, &dummy);
+ if (!size) {
+ return rv;
+ }
+
+ void* ver = moz_xcalloc(size, 1);
+ if (::GetFileVersionInfoW(path, 0, size, ver)) {
+ LANGANDCODEPAGE* translate = nullptr;
+ UINT pageCount;
+ BOOL queryResult = ::VerQueryValueW(ver, L"\\VarFileInfo\\Translation",
+ (void**)&translate, &pageCount);
+ if (queryResult && translate) {
+ for (int32_t i = 0; i < 2; ++i) {
+ wchar_t subBlock[MAX_PATH];
+ _snwprintf(subBlock, MAX_PATH,
+ L"\\StringFileInfo\\%04x%04x\\%s",
+ (i == 0 ? translate[0].wLanguage : ::GetUserDefaultLangID()),
+ translate[0].wCodePage,
+ NS_ConvertASCIItoUTF16(
+ nsDependentCString(aField)).get());
+ subBlock[MAX_PATH - 1] = 0;
+ LPVOID value = nullptr;
+ UINT size;
+ queryResult = ::VerQueryValueW(ver, subBlock, &value, &size);
+ if (queryResult && value) {
+ aResult.Assign(static_cast<char16_t*>(value));
+ if (!aResult.IsEmpty()) {
+ rv = NS_OK;
+ break;
+ }
+ }
+ }
+ }
+ }
+ free(ver);
+
+ return rv;
+}
+
+NS_IMETHODIMP
+nsLocalFile::SetShortcut(nsIFile* aTargetFile,
+ nsIFile* aWorkingDir,
+ const char16_t* aArgs,
+ const char16_t* aDescription,
+ nsIFile* aIconFile,
+ int32_t aIconIndex)
+{
+ bool exists;
+ nsresult rv = this->Exists(&exists);
+ if (NS_FAILED(rv)) {
+ return rv;
+ }
+
+ const WCHAR* targetFilePath = nullptr;
+ const WCHAR* workingDirPath = nullptr;
+ const WCHAR* iconFilePath = nullptr;
+
+ nsAutoString targetFilePathAuto;
+ if (aTargetFile) {
+ rv = aTargetFile->GetPath(targetFilePathAuto);
+ if (NS_FAILED(rv)) {
+ return rv;
+ }
+ targetFilePath = targetFilePathAuto.get();
+ }
+
+ nsAutoString workingDirPathAuto;
+ if (aWorkingDir) {
+ rv = aWorkingDir->GetPath(workingDirPathAuto);
+ if (NS_FAILED(rv)) {
+ return rv;
+ }
+ workingDirPath = workingDirPathAuto.get();
+ }
+
+ nsAutoString iconPathAuto;
+ if (aIconFile) {
+ rv = aIconFile->GetPath(iconPathAuto);
+ if (NS_FAILED(rv)) {
+ return rv;
+ }
+ iconFilePath = iconPathAuto.get();
+ }
+
+ rv = gResolver->SetShortcut(exists,
+ mWorkingPath.get(),
+ targetFilePath,
+ workingDirPath,
+ char16ptr_t(aArgs),
+ char16ptr_t(aDescription),
+ iconFilePath,
+ iconFilePath ? aIconIndex : 0);
+ if (targetFilePath && NS_SUCCEEDED(rv)) {
+ MakeDirty();
+ }
+
+ return rv;
+}
+
+NS_IMETHODIMP
+nsLocalFile::OpenNSPRFileDescShareDelete(int32_t aFlags,
+ int32_t aMode,
+ PRFileDesc** aResult)
+{
+ nsresult rv = OpenNSPRFileDescMaybeShareDelete(aFlags, aMode, true, aResult);
+ if (NS_FAILED(rv)) {
+ return rv;
+ }
+
+ return NS_OK;
+}
+
+/**
+ * Determines if the drive type for the specified file is rmeote or local.
+ *
+ * @param path The path of the file to check
+ * @param remote Out parameter, on function success holds true if the specified
+ * file path is remote, or false if the file path is local.
+ * @return true on success. The return value implies absolutely nothing about
+ * wether the file is local or remote.
+*/
+static bool
+IsRemoteFilePath(LPCWSTR aPath, bool& aRemote)
+{
+ // Obtain the parent directory path and make sure it ends with
+ // a trailing backslash.
+ WCHAR dirPath[MAX_PATH + 1] = { 0 };
+ wcsncpy(dirPath, aPath, MAX_PATH);
+ if (!PathRemoveFileSpecW(dirPath)) {
+ return false;
+ }
+ size_t len = wcslen(dirPath);
+ // In case the dirPath holds exaclty MAX_PATH and remains unchanged, we
+ // recheck the required length here since we need to terminate it with
+ // a backslash.
+ if (len >= MAX_PATH) {
+ return false;
+ }
+
+ dirPath[len] = L'\\';
+ dirPath[len + 1] = L'\0';
+ UINT driveType = GetDriveTypeW(dirPath);
+ aRemote = driveType == DRIVE_REMOTE;
+ return true;
+}
+
+nsresult
+nsLocalFile::CopySingleFile(nsIFile* aSourceFile, nsIFile* aDestParent,
+ const nsAString& aNewName, uint32_t aOptions)
+{
+ nsresult rv = NS_OK;
+ nsAutoString filePath;
+
+ bool move = aOptions & (Move | Rename);
+
+ // get the path that we are going to copy to.
+ // Since windows does not know how to auto
+ // resolve shortcuts, we must work with the
+ // target.
+ nsAutoString destPath;
+ aDestParent->GetTarget(destPath);
+
+ destPath.Append('\\');
+
+ if (aNewName.IsEmpty()) {
+ nsAutoString aFileName;
+ aSourceFile->GetLeafName(aFileName);
+ destPath.Append(aFileName);
+ } else {
+ destPath.Append(aNewName);
+ }
+
+
+ if (aOptions & FollowSymlinks) {
+ rv = aSourceFile->GetTarget(filePath);
+ if (filePath.IsEmpty()) {
+ rv = aSourceFile->GetPath(filePath);
+ }
+ } else {
+ rv = aSourceFile->GetPath(filePath);
+ }
+
+ if (NS_FAILED(rv)) {
+ return rv;
+ }
+
+ // Pass the flag COPY_FILE_NO_BUFFERING to CopyFileEx as we may be copying
+ // to a SMBV2 remote drive. Without this parameter subsequent append mode
+ // file writes can cause the resultant file to become corrupt. We only need to do
+ // this if the major version of Windows is > 5(Only Windows Vista and above
+ // can support SMBV2). With a 7200RPM hard drive:
+ // Copying a 1KB file with COPY_FILE_NO_BUFFERING takes about 30-60ms.
+ // Copying a 1KB file without COPY_FILE_NO_BUFFERING takes < 1ms.
+ // So we only use COPY_FILE_NO_BUFFERING when we have a remote drive.
+ int copyOK;
+ DWORD dwCopyFlags = COPY_FILE_ALLOW_DECRYPTED_DESTINATION;
+ if (IsVistaOrLater()) {
+ bool path1Remote, path2Remote;
+ if (!IsRemoteFilePath(filePath.get(), path1Remote) ||
+ !IsRemoteFilePath(destPath.get(), path2Remote) ||
+ path1Remote || path2Remote) {
+ dwCopyFlags |= COPY_FILE_NO_BUFFERING;
+ }
+ }
+
+ if (!move) {
+ copyOK = ::CopyFileExW(filePath.get(), destPath.get(), nullptr,
+ nullptr, nullptr, dwCopyFlags);
+ } else {
+ copyOK = ::MoveFileExW(filePath.get(), destPath.get(),
+ MOVEFILE_REPLACE_EXISTING);
+
+ // Check if copying the source file to a different volume,
+ // as this could be an SMBV2 mapped drive.
+ if (!copyOK && GetLastError() == ERROR_NOT_SAME_DEVICE) {
+ if (aOptions & Rename) {
+ return NS_ERROR_FILE_ACCESS_DENIED;
+ }
+ copyOK = CopyFileExW(filePath.get(), destPath.get(), nullptr,
+ nullptr, nullptr, dwCopyFlags);
+
+ if (copyOK) {
+ DeleteFileW(filePath.get());
+ }
+ }
+ }
+
+ if (!copyOK) { // CopyFileEx and MoveFileEx return zero at failure.
+ rv = ConvertWinError(GetLastError());
+ } else if (move && !(aOptions & SkipNtfsAclReset)) {
+ // Set security permissions to inherit from parent.
+ // Note: propagates to all children: slow for big file trees
+ PACL pOldDACL = nullptr;
+ PSECURITY_DESCRIPTOR pSD = nullptr;
+ ::GetNamedSecurityInfoW((LPWSTR)destPath.get(), SE_FILE_OBJECT,
+ DACL_SECURITY_INFORMATION,
+ nullptr, nullptr, &pOldDACL, nullptr, &pSD);
+ if (pOldDACL)
+ ::SetNamedSecurityInfoW((LPWSTR)destPath.get(), SE_FILE_OBJECT,
+ DACL_SECURITY_INFORMATION |
+ UNPROTECTED_DACL_SECURITY_INFORMATION,
+ nullptr, nullptr, pOldDACL, nullptr);
+ if (pSD) {
+ LocalFree((HLOCAL)pSD);
+ }
+ }
+
+ return rv;
+}
+
+nsresult
+nsLocalFile::CopyMove(nsIFile* aParentDir, const nsAString& aNewName,
+ uint32_t aOptions)
+{
+ bool move = aOptions & (Move | Rename);
+ bool followSymlinks = aOptions & FollowSymlinks;
+
+ nsCOMPtr<nsIFile> newParentDir = aParentDir;
+ // check to see if this exists, otherwise return an error.
+ // we will check this by resolving. If the user wants us
+ // to follow links, then we are talking about the target,
+ // hence we can use the |FollowSymlinks| option.
+ nsresult rv = ResolveAndStat();
+ if (NS_FAILED(rv)) {
+ return rv;
+ }
+
+ if (!newParentDir) {
+ // no parent was specified. We must rename.
+ if (aNewName.IsEmpty()) {
+ return NS_ERROR_INVALID_ARG;
+ }
+
+ rv = GetParent(getter_AddRefs(newParentDir));
+ if (NS_FAILED(rv)) {
+ return rv;
+ }
+ }
+
+ if (!newParentDir) {
+ return NS_ERROR_FILE_DESTINATION_NOT_DIR;
+ }
+
+ // make sure it exists and is a directory. Create it if not there.
+ bool exists;
+ newParentDir->Exists(&exists);
+ if (!exists) {
+ rv = newParentDir->Create(DIRECTORY_TYPE, 0644); // TODO, what permissions should we use
+ if (NS_FAILED(rv)) {
+ return rv;
+ }
+ } else {
+ bool isDir;
+ newParentDir->IsDirectory(&isDir);
+ if (!isDir) {
+ if (followSymlinks) {
+ bool isLink;
+ newParentDir->IsSymlink(&isLink);
+ if (isLink) {
+ nsAutoString target;
+ newParentDir->GetTarget(target);
+
+ nsCOMPtr<nsIFile> realDest = new nsLocalFile();
+ rv = realDest->InitWithPath(target);
+
+ if (NS_FAILED(rv)) {
+ return rv;
+ }
+
+ return CopyMove(realDest, aNewName, aOptions);
+ }
+ } else {
+ return NS_ERROR_FILE_DESTINATION_NOT_DIR;
+ }
+ }
+ }
+
+ // Try different ways to move/copy files/directories
+ bool done = false;
+ bool isDir;
+ IsDirectory(&isDir);
+ bool isSymlink;
+ IsSymlink(&isSymlink);
+
+ // Try to move the file or directory, or try to copy a single file (or non-followed symlink)
+ if (move || !isDir || (isSymlink && !followSymlinks)) {
+ // Copy/Move single file, or move a directory
+ if (!aParentDir) {
+ aOptions |= SkipNtfsAclReset;
+ }
+ rv = CopySingleFile(this, newParentDir, aNewName, aOptions);
+ done = NS_SUCCEEDED(rv);
+ // If we are moving a directory and that fails, fallback on directory
+ // enumeration. See bug 231300 for details.
+ if (!done && !(move && isDir)) {
+ return rv;
+ }
+ }
+
+ // Not able to copy or move directly, so enumerate it
+ if (!done) {
+ // create a new target destination in the new parentDir;
+ nsCOMPtr<nsIFile> target;
+ rv = newParentDir->Clone(getter_AddRefs(target));
+
+ if (NS_FAILED(rv)) {
+ return rv;
+ }
+
+ nsAutoString allocatedNewName;
+ if (aNewName.IsEmpty()) {
+ bool isLink;
+ IsSymlink(&isLink);
+ if (isLink) {
+ nsAutoString temp;
+ GetTarget(temp);
+ int32_t offset = temp.RFindChar(L'\\');
+ if (offset == kNotFound) {
+ allocatedNewName = temp;
+ } else {
+ allocatedNewName = Substring(temp, offset + 1);
+ }
+ } else {
+ GetLeafName(allocatedNewName);// this should be the leaf name of the
+ }
+ } else {
+ allocatedNewName = aNewName;
+ }
+
+ rv = target->Append(allocatedNewName);
+ if (NS_FAILED(rv)) {
+ return rv;
+ }
+
+ allocatedNewName.Truncate();
+
+ // check if the destination directory already exists
+ target->Exists(&exists);
+ if (!exists) {
+ // if the destination directory cannot be created, return an error
+ rv = target->Create(DIRECTORY_TYPE, 0644); // TODO, what permissions should we use
+ if (NS_FAILED(rv)) {
+ return rv;
+ }
+ } else {
+ // check if the destination directory is writable and empty
+ bool isWritable;
+
+ target->IsWritable(&isWritable);
+ if (!isWritable) {
+ return NS_ERROR_FILE_ACCESS_DENIED;
+ }
+
+ nsCOMPtr<nsISimpleEnumerator> targetIterator;
+ rv = target->GetDirectoryEntries(getter_AddRefs(targetIterator));
+ if (NS_FAILED(rv)) {
+ return rv;
+ }
+
+ bool more;
+ targetIterator->HasMoreElements(&more);
+ // return error if target directory is not empty
+ if (more) {
+ return NS_ERROR_FILE_DIR_NOT_EMPTY;
+ }
+ }
+
+ RefPtr<nsDirEnumerator> dirEnum = new nsDirEnumerator();
+
+ rv = dirEnum->Init(this);
+ if (NS_FAILED(rv)) {
+ NS_WARNING("dirEnum initialization failed");
+ return rv;
+ }
+
+ bool more = false;
+ while (NS_SUCCEEDED(dirEnum->HasMoreElements(&more)) && more) {
+ nsCOMPtr<nsISupports> item;
+ nsCOMPtr<nsIFile> file;
+ dirEnum->GetNext(getter_AddRefs(item));
+ file = do_QueryInterface(item);
+ if (file) {
+ bool isDir, isLink;
+
+ file->IsDirectory(&isDir);
+ file->IsSymlink(&isLink);
+
+ if (move) {
+ if (followSymlinks) {
+ return NS_ERROR_FAILURE;
+ }
+
+ rv = file->MoveTo(target, EmptyString());
+ if (NS_FAILED(rv)) {
+ return rv;
+ }
+ } else {
+ if (followSymlinks) {
+ rv = file->CopyToFollowingLinks(target, EmptyString());
+ } else {
+ rv = file->CopyTo(target, EmptyString());
+ }
+ if (NS_FAILED(rv)) {
+ return rv;
+ }
+ }
+ }
+ }
+ // we've finished moving all the children of this directory
+ // in the new directory. so now delete the directory
+ // note, we don't need to do a recursive delete.
+ // MoveTo() is recursive. At this point,
+ // we've already moved the children of the current folder
+ // to the new location. nothing should be left in the folder.
+ if (move) {
+ rv = Remove(false /* recursive */);
+ if (NS_FAILED(rv)) {
+ return rv;
+ }
+ }
+ }
+
+
+ // If we moved, we want to adjust this.
+ if (move) {
+ MakeDirty();
+
+ nsAutoString newParentPath;
+ newParentDir->GetPath(newParentPath);
+
+ if (newParentPath.IsEmpty()) {
+ return NS_ERROR_FAILURE;
+ }
+
+ if (aNewName.IsEmpty()) {
+ nsAutoString aFileName;
+ GetLeafName(aFileName);
+
+ InitWithPath(newParentPath);
+ Append(aFileName);
+ } else {
+ InitWithPath(newParentPath);
+ Append(aNewName);
+ }
+ }
+
+ return NS_OK;
+}
+
+NS_IMETHODIMP
+nsLocalFile::CopyTo(nsIFile* aNewParentDir, const nsAString& aNewName)
+{
+ return CopyMove(aNewParentDir, aNewName, 0);
+}
+
+NS_IMETHODIMP
+nsLocalFile::CopyToFollowingLinks(nsIFile* aNewParentDir,
+ const nsAString& aNewName)
+{
+ return CopyMove(aNewParentDir, aNewName, FollowSymlinks);
+}
+
+NS_IMETHODIMP
+nsLocalFile::MoveTo(nsIFile* aNewParentDir, const nsAString& aNewName)
+{
+ return CopyMove(aNewParentDir, aNewName, Move);
+}
+
+NS_IMETHODIMP
+nsLocalFile::RenameTo(nsIFile* aNewParentDir, const nsAString& aNewName)
+{
+ nsCOMPtr<nsIFile> targetParentDir = aNewParentDir;
+ // check to see if this exists, otherwise return an error.
+ // we will check this by resolving. If the user wants us
+ // to follow links, then we are talking about the target,
+ // hence we can use the |followSymlinks| parameter.
+ nsresult rv = ResolveAndStat();
+ if (NS_FAILED(rv)) {
+ return rv;
+ }
+
+ if (!targetParentDir) {
+ // no parent was specified. We must rename.
+ if (aNewName.IsEmpty()) {
+ return NS_ERROR_INVALID_ARG;
+ }
+ rv = GetParent(getter_AddRefs(targetParentDir));
+ if (NS_FAILED(rv)) {
+ return rv;
+ }
+ }
+
+ if (!targetParentDir) {
+ return NS_ERROR_FILE_DESTINATION_NOT_DIR;
+ }
+
+ // make sure it exists and is a directory. Create it if not there.
+ bool exists;
+ targetParentDir->Exists(&exists);
+ if (!exists) {
+ rv = targetParentDir->Create(DIRECTORY_TYPE, 0644);
+ if (NS_FAILED(rv)) {
+ return rv;
+ }
+ } else {
+ bool isDir;
+ targetParentDir->IsDirectory(&isDir);
+ if (!isDir) {
+ return NS_ERROR_FILE_DESTINATION_NOT_DIR;
+ }
+ }
+
+ uint32_t options = Rename;
+ if (!aNewParentDir) {
+ options |= SkipNtfsAclReset;
+ }
+ // Move single file, or move a directory
+ return CopySingleFile(this, targetParentDir, aNewName, options);
+}
+
+NS_IMETHODIMP
+nsLocalFile::RenameToNative(nsIFile* aNewParentDir, const nsACString& aNewName)
+{
+ nsAutoString tmp;
+ nsresult rv = NS_CopyNativeToUnicode(aNewName, tmp);
+ if (NS_SUCCEEDED(rv)) {
+ return RenameTo(aNewParentDir, tmp);
+ }
+
+ return rv;
+}
+
+NS_IMETHODIMP
+nsLocalFile::Load(PRLibrary** aResult)
+{
+ // Check we are correctly initialized.
+ CHECK_mWorkingPath();
+
+ bool isFile;
+ nsresult rv = IsFile(&isFile);
+
+ if (NS_FAILED(rv)) {
+ return rv;
+ }
+
+ if (!isFile) {
+ return NS_ERROR_FILE_IS_DIRECTORY;
+ }
+
+#ifdef NS_BUILD_REFCNT_LOGGING
+ nsTraceRefcnt::SetActivityIsLegal(false);
+#endif
+
+ PRLibSpec libSpec;
+ libSpec.value.pathname_u = mResolvedPath.get();
+ libSpec.type = PR_LibSpec_PathnameU;
+ *aResult = PR_LoadLibraryWithFlags(libSpec, 0);
+
+#ifdef NS_BUILD_REFCNT_LOGGING
+ nsTraceRefcnt::SetActivityIsLegal(true);
+#endif
+
+ if (*aResult) {
+ return NS_OK;
+ }
+ return NS_ERROR_NULL_POINTER;
+}
+
+NS_IMETHODIMP
+nsLocalFile::Remove(bool aRecursive)
+{
+ // NOTE:
+ //
+ // if the working path points to a shortcut, then we will only
+ // delete the shortcut itself. even if the shortcut points to
+ // a directory, we will not recurse into that directory or
+ // delete that directory itself. likewise, if the shortcut
+ // points to a normal file, we will not delete the real file.
+ // this is done to be consistent with the other platforms that
+ // behave this way. we do this even if the followLinks attribute
+ // is set to true. this helps protect against misuse that could
+ // lead to security bugs (e.g., bug 210588).
+ //
+ // Since shortcut files are no longer permitted to be used as unix-like
+ // symlinks interspersed in the path (e.g. "c:/file.lnk/foo/bar.txt")
+ // this processing is a lot simpler. Even if the shortcut file is
+ // pointing to a directory, only the mWorkingPath value is used and so
+ // only the shortcut file will be deleted.
+
+ // Check we are correctly initialized.
+ CHECK_mWorkingPath();
+
+ bool isDir, isLink;
+ nsresult rv;
+
+ isDir = false;
+ rv = IsSymlink(&isLink);
+ if (NS_FAILED(rv)) {
+ return rv;
+ }
+
+ // only check to see if we have a directory if it isn't a link
+ if (!isLink) {
+ rv = IsDirectory(&isDir);
+ if (NS_FAILED(rv)) {
+ return rv;
+ }
+ }
+
+ if (isDir) {
+ if (aRecursive) {
+ RefPtr<nsDirEnumerator> dirEnum = new nsDirEnumerator();
+
+ rv = dirEnum->Init(this);
+ if (NS_FAILED(rv)) {
+ return rv;
+ }
+
+ bool more = false;
+ while (NS_SUCCEEDED(dirEnum->HasMoreElements(&more)) && more) {
+ nsCOMPtr<nsISupports> item;
+ dirEnum->GetNext(getter_AddRefs(item));
+ nsCOMPtr<nsIFile> file = do_QueryInterface(item);
+ if (file) {
+ file->Remove(aRecursive);
+ }
+ }
+ }
+ if (RemoveDirectoryW(mWorkingPath.get()) == 0) {
+ return ConvertWinError(GetLastError());
+ }
+ } else {
+ if (DeleteFileW(mWorkingPath.get()) == 0) {
+ return ConvertWinError(GetLastError());
+ }
+ }
+
+ MakeDirty();
+ return rv;
+}
+
+NS_IMETHODIMP
+nsLocalFile::GetLastModifiedTime(PRTime* aLastModifiedTime)
+{
+ // Check we are correctly initialized.
+ CHECK_mWorkingPath();
+
+ if (NS_WARN_IF(!aLastModifiedTime)) {
+ return NS_ERROR_INVALID_ARG;
+ }
+
+ // get the modified time of the target as determined by mFollowSymlinks
+ // If true, then this will be for the target of the shortcut file,
+ // otherwise it will be for the shortcut file itself (i.e. the same
+ // results as GetLastModifiedTimeOfLink)
+
+ nsresult rv = ResolveAndStat();
+ if (NS_FAILED(rv)) {
+ return rv;
+ }
+
+ // microseconds -> milliseconds
+ *aLastModifiedTime = mFileInfo64.modifyTime / PR_USEC_PER_MSEC;
+ return NS_OK;
+}
+
+
+NS_IMETHODIMP
+nsLocalFile::GetLastModifiedTimeOfLink(PRTime* aLastModifiedTime)
+{
+ // Check we are correctly initialized.
+ CHECK_mWorkingPath();
+
+ if (NS_WARN_IF(!aLastModifiedTime)) {
+ return NS_ERROR_INVALID_ARG;
+ }
+
+ // The caller is assumed to have already called IsSymlink
+ // and to have found that this file is a link.
+
+ PRFileInfo64 info;
+ nsresult rv = GetFileInfo(mWorkingPath, &info);
+ if (NS_FAILED(rv)) {
+ return rv;
+ }
+
+ // microseconds -> milliseconds
+ *aLastModifiedTime = info.modifyTime / PR_USEC_PER_MSEC;
+ return NS_OK;
+}
+
+
+NS_IMETHODIMP
+nsLocalFile::SetLastModifiedTime(PRTime aLastModifiedTime)
+{
+ // Check we are correctly initialized.
+ CHECK_mWorkingPath();
+
+ nsresult rv = ResolveAndStat();
+ if (NS_FAILED(rv)) {
+ return rv;
+ }
+
+ // set the modified time of the target as determined by mFollowSymlinks
+ // If true, then this will be for the target of the shortcut file,
+ // otherwise it will be for the shortcut file itself (i.e. the same
+ // results as SetLastModifiedTimeOfLink)
+
+ rv = SetModDate(aLastModifiedTime, mResolvedPath.get());
+ if (NS_SUCCEEDED(rv)) {
+ MakeDirty();
+ }
+
+ return rv;
+}
+
+
+NS_IMETHODIMP
+nsLocalFile::SetLastModifiedTimeOfLink(PRTime aLastModifiedTime)
+{
+ // The caller is assumed to have already called IsSymlink
+ // and to have found that this file is a link.
+
+ nsresult rv = SetModDate(aLastModifiedTime, mWorkingPath.get());
+ if (NS_SUCCEEDED(rv)) {
+ MakeDirty();
+ }
+
+ return rv;
+}
+
+nsresult
+nsLocalFile::SetModDate(PRTime aLastModifiedTime, const wchar_t* aFilePath)
+{
+ // The FILE_FLAG_BACKUP_SEMANTICS is required in order to change the
+ // modification time for directories.
+ HANDLE file = ::CreateFileW(aFilePath, // pointer to name of the file
+ GENERIC_WRITE, // access (write) mode
+ 0, // share mode
+ nullptr, // pointer to security attributes
+ OPEN_EXISTING, // how to create
+ FILE_FLAG_BACKUP_SEMANTICS, // file attributes
+ nullptr);
+
+ if (file == INVALID_HANDLE_VALUE) {
+ return ConvertWinError(GetLastError());
+ }
+
+ FILETIME ft;
+ SYSTEMTIME st;
+ PRExplodedTime pret;
+
+ // PR_ExplodeTime expects usecs...
+ PR_ExplodeTime(aLastModifiedTime * PR_USEC_PER_MSEC, PR_GMTParameters, &pret);
+ st.wYear = pret.tm_year;
+ st.wMonth = pret.tm_month + 1; // Convert start offset -- Win32: Jan=1; NSPR: Jan=0
+ st.wDayOfWeek = pret.tm_wday;
+ st.wDay = pret.tm_mday;
+ st.wHour = pret.tm_hour;
+ st.wMinute = pret.tm_min;
+ st.wSecond = pret.tm_sec;
+ st.wMilliseconds = pret.tm_usec / 1000;
+
+ nsresult rv = NS_OK;
+ // if at least one of these fails...
+ if (!(SystemTimeToFileTime(&st, &ft) != 0 &&
+ SetFileTime(file, nullptr, &ft, &ft) != 0)) {
+ rv = ConvertWinError(GetLastError());
+ }
+
+ CloseHandle(file);
+ return rv;
+}
+
+NS_IMETHODIMP
+nsLocalFile::GetPermissions(uint32_t* aPermissions)
+{
+ if (NS_WARN_IF(!aPermissions)) {
+ return NS_ERROR_INVALID_ARG;
+ }
+
+ // get the permissions of the target as determined by mFollowSymlinks
+ // If true, then this will be for the target of the shortcut file,
+ // otherwise it will be for the shortcut file itself (i.e. the same
+ // results as GetPermissionsOfLink)
+ nsresult rv = ResolveAndStat();
+ if (NS_FAILED(rv)) {
+ return rv;
+ }
+
+ bool isWritable, isExecutable;
+ IsWritable(&isWritable);
+ IsExecutable(&isExecutable);
+
+ *aPermissions = PR_IRUSR | PR_IRGRP | PR_IROTH; // all read
+ if (isWritable) {
+ *aPermissions |= PR_IWUSR | PR_IWGRP | PR_IWOTH; // all write
+ }
+ if (isExecutable) {
+ *aPermissions |= PR_IXUSR | PR_IXGRP | PR_IXOTH; // all execute
+ }
+
+ return NS_OK;
+}
+
+NS_IMETHODIMP
+nsLocalFile::GetPermissionsOfLink(uint32_t* aPermissions)
+{
+ // Check we are correctly initialized.
+ CHECK_mWorkingPath();
+
+ if (NS_WARN_IF(!aPermissions)) {
+ return NS_ERROR_INVALID_ARG;
+ }
+
+ // The caller is assumed to have already called IsSymlink
+ // and to have found that this file is a link. It is not
+ // possible for a link file to be executable.
+
+ DWORD word = ::GetFileAttributesW(mWorkingPath.get());
+ if (word == INVALID_FILE_ATTRIBUTES) {
+ return NS_ERROR_FILE_INVALID_PATH;
+ }
+
+ bool isWritable = !(word & FILE_ATTRIBUTE_READONLY);
+ *aPermissions = PR_IRUSR | PR_IRGRP | PR_IROTH; // all read
+ if (isWritable) {
+ *aPermissions |= PR_IWUSR | PR_IWGRP | PR_IWOTH; // all write
+ }
+
+ return NS_OK;
+}
+
+
+NS_IMETHODIMP
+nsLocalFile::SetPermissions(uint32_t aPermissions)
+{
+ // Check we are correctly initialized.
+ CHECK_mWorkingPath();
+
+ // set the permissions of the target as determined by mFollowSymlinks
+ // If true, then this will be for the target of the shortcut file,
+ // otherwise it will be for the shortcut file itself (i.e. the same
+ // results as SetPermissionsOfLink)
+ nsresult rv = ResolveAndStat();
+ if (NS_FAILED(rv)) {
+ return rv;
+ }
+
+ // windows only knows about the following permissions
+ int mode = 0;
+ if (aPermissions & (PR_IRUSR | PR_IRGRP | PR_IROTH)) { // any read
+ mode |= _S_IREAD;
+ }
+ if (aPermissions & (PR_IWUSR | PR_IWGRP | PR_IWOTH)) { // any write
+ mode |= _S_IWRITE;
+ }
+
+ if (_wchmod(mResolvedPath.get(), mode) == -1) {
+ return NS_ERROR_FAILURE;
+ }
+
+ return NS_OK;
+}
+
+NS_IMETHODIMP
+nsLocalFile::SetPermissionsOfLink(uint32_t aPermissions)
+{
+ // The caller is assumed to have already called IsSymlink
+ // and to have found that this file is a link.
+
+ // windows only knows about the following permissions
+ int mode = 0;
+ if (aPermissions & (PR_IRUSR | PR_IRGRP | PR_IROTH)) { // any read
+ mode |= _S_IREAD;
+ }
+ if (aPermissions & (PR_IWUSR | PR_IWGRP | PR_IWOTH)) { // any write
+ mode |= _S_IWRITE;
+ }
+
+ if (_wchmod(mWorkingPath.get(), mode) == -1) {
+ return NS_ERROR_FAILURE;
+ }
+
+ return NS_OK;
+}
+
+
+NS_IMETHODIMP
+nsLocalFile::GetFileSize(int64_t* aFileSize)
+{
+ if (NS_WARN_IF(!aFileSize)) {
+ return NS_ERROR_INVALID_ARG;
+ }
+
+ nsresult rv = ResolveAndStat();
+ if (NS_FAILED(rv)) {
+ return rv;
+ }
+
+ *aFileSize = mFileInfo64.size;
+ return NS_OK;
+}
+
+
+NS_IMETHODIMP
+nsLocalFile::GetFileSizeOfLink(int64_t* aFileSize)
+{
+ // Check we are correctly initialized.
+ CHECK_mWorkingPath();
+
+ if (NS_WARN_IF(!aFileSize)) {
+ return NS_ERROR_INVALID_ARG;
+ }
+
+ // The caller is assumed to have already called IsSymlink
+ // and to have found that this file is a link.
+
+ PRFileInfo64 info;
+ if (NS_FAILED(GetFileInfo(mWorkingPath, &info))) {
+ return NS_ERROR_FILE_INVALID_PATH;
+ }
+
+ *aFileSize = info.size;
+ return NS_OK;
+}
+
+NS_IMETHODIMP
+nsLocalFile::SetFileSize(int64_t aFileSize)
+{
+ // Check we are correctly initialized.
+ CHECK_mWorkingPath();
+
+ nsresult rv = ResolveAndStat();
+ if (NS_FAILED(rv)) {
+ return rv;
+ }
+
+ HANDLE hFile = ::CreateFileW(mResolvedPath.get(),// pointer to name of the file
+ GENERIC_WRITE, // access (write) mode
+ FILE_SHARE_READ, // share mode
+ nullptr, // pointer to security attributes
+ OPEN_EXISTING, // how to create
+ FILE_ATTRIBUTE_NORMAL, // file attributes
+ nullptr);
+ if (hFile == INVALID_HANDLE_VALUE) {
+ return ConvertWinError(GetLastError());
+ }
+
+ // seek the file pointer to the new, desired end of file
+ // and then truncate the file at that position
+ rv = NS_ERROR_FAILURE;
+ aFileSize = MyFileSeek64(hFile, aFileSize, FILE_BEGIN);
+ if (aFileSize != -1 && SetEndOfFile(hFile)) {
+ MakeDirty();
+ rv = NS_OK;
+ }
+
+ CloseHandle(hFile);
+ return rv;
+}
+
+NS_IMETHODIMP
+nsLocalFile::GetDiskSpaceAvailable(int64_t* aDiskSpaceAvailable)
+{
+ // Check we are correctly initialized.
+ CHECK_mWorkingPath();
+
+ if (NS_WARN_IF(!aDiskSpaceAvailable)) {
+ return NS_ERROR_INVALID_ARG;
+ }
+
+ ResolveAndStat();
+
+ if (mFileInfo64.type == PR_FILE_FILE) {
+ // Since GetDiskFreeSpaceExW works only on directories, use the parent.
+ nsCOMPtr<nsIFile> parent;
+ if (NS_SUCCEEDED(GetParent(getter_AddRefs(parent))) && parent) {
+ return parent->GetDiskSpaceAvailable(aDiskSpaceAvailable);
+ }
+ }
+
+ ULARGE_INTEGER liFreeBytesAvailableToCaller, liTotalNumberOfBytes;
+ if (::GetDiskFreeSpaceExW(mResolvedPath.get(), &liFreeBytesAvailableToCaller,
+ &liTotalNumberOfBytes, nullptr)) {
+ *aDiskSpaceAvailable = liFreeBytesAvailableToCaller.QuadPart;
+ return NS_OK;
+ }
+ *aDiskSpaceAvailable = 0;
+ return NS_OK;
+}
+
+NS_IMETHODIMP
+nsLocalFile::GetParent(nsIFile** aParent)
+{
+ // Check we are correctly initialized.
+ CHECK_mWorkingPath();
+
+ if (NS_WARN_IF(!aParent)) {
+ return NS_ERROR_INVALID_ARG;
+ }
+
+ // A two-character path must be a drive such as C:, so it has no parent
+ if (mWorkingPath.Length() == 2) {
+ *aParent = nullptr;
+ return NS_OK;
+ }
+
+ int32_t offset = mWorkingPath.RFindChar(char16_t('\\'));
+ // adding this offset check that was removed in bug 241708 fixes mail
+ // directories that aren't relative to/underneath the profile dir.
+ // e.g., on a different drive. Before you remove them, please make
+ // sure local mail directories that aren't underneath the profile dir work.
+ if (offset == kNotFound) {
+ return NS_ERROR_FILE_UNRECOGNIZED_PATH;
+ }
+
+ // A path of the form \\NAME is a top-level path and has no parent
+ if (offset == 1 && mWorkingPath[0] == L'\\') {
+ *aParent = nullptr;
+ return NS_OK;
+ }
+
+ nsAutoString parentPath(mWorkingPath);
+
+ if (offset > 0) {
+ parentPath.Truncate(offset);
+ } else {
+ parentPath.AssignLiteral("\\\\.");
+ }
+
+ nsCOMPtr<nsIFile> localFile;
+ nsresult rv = NS_NewLocalFile(parentPath, mFollowSymlinks,
+ getter_AddRefs(localFile));
+
+ if (NS_FAILED(rv)) {
+ return rv;
+ }
+
+ localFile.forget(aParent);
+ return NS_OK;
+}
+
+NS_IMETHODIMP
+nsLocalFile::Exists(bool* aResult)
+{
+ // Check we are correctly initialized.
+ CHECK_mWorkingPath();
+
+ if (NS_WARN_IF(!aResult)) {
+ return NS_ERROR_INVALID_ARG;
+ }
+ *aResult = false;
+
+ MakeDirty();
+ nsresult rv = ResolveAndStat();
+ *aResult = NS_SUCCEEDED(rv) || rv == NS_ERROR_FILE_IS_LOCKED;
+
+ return NS_OK;
+}
+
+NS_IMETHODIMP
+nsLocalFile::IsWritable(bool* aIsWritable)
+{
+ // Check we are correctly initialized.
+ CHECK_mWorkingPath();
+
+ // The read-only attribute on a FAT directory only means that it can't
+ // be deleted. It is still possible to modify the contents of the directory.
+ nsresult rv = IsDirectory(aIsWritable);
+ if (rv == NS_ERROR_FILE_ACCESS_DENIED) {
+ *aIsWritable = true;
+ return NS_OK;
+ } else if (rv == NS_ERROR_FILE_IS_LOCKED) {
+ // If the file is normally allowed write access
+ // we should still return that the file is writable.
+ } else if (NS_FAILED(rv)) {
+ return rv;
+ }
+ if (*aIsWritable) {
+ return NS_OK;
+ }
+
+ // writable if the file doesn't have the readonly attribute
+ rv = HasFileAttribute(FILE_ATTRIBUTE_READONLY, aIsWritable);
+ if (rv == NS_ERROR_FILE_ACCESS_DENIED) {
+ *aIsWritable = false;
+ return NS_OK;
+ } else if (rv == NS_ERROR_FILE_IS_LOCKED) {
+ // If the file is normally allowed write access
+ // we should still return that the file is writable.
+ } else if (NS_FAILED(rv)) {
+ return rv;
+ }
+ *aIsWritable = !*aIsWritable;
+
+ // If the read only attribute is not set, check to make sure
+ // we can open the file with write access.
+ if (*aIsWritable) {
+ PRFileDesc* file;
+ rv = OpenFile(mResolvedPath, PR_WRONLY, 0, false, &file);
+ if (NS_SUCCEEDED(rv)) {
+ PR_Close(file);
+ } else if (rv == NS_ERROR_FILE_ACCESS_DENIED) {
+ *aIsWritable = false;
+ } else if (rv == NS_ERROR_FILE_IS_LOCKED) {
+ // If it is locked and read only we would have
+ // gotten access denied
+ *aIsWritable = true;
+ } else {
+ return rv;
+ }
+ }
+ return NS_OK;
+}
+
+NS_IMETHODIMP
+nsLocalFile::IsReadable(bool* aResult)
+{
+ // Check we are correctly initialized.
+ CHECK_mWorkingPath();
+
+ if (NS_WARN_IF(!aResult)) {
+ return NS_ERROR_INVALID_ARG;
+ }
+ *aResult = false;
+
+ nsresult rv = ResolveAndStat();
+ if (NS_FAILED(rv)) {
+ return rv;
+ }
+
+ *aResult = true;
+ return NS_OK;
+}
+
+
+NS_IMETHODIMP
+nsLocalFile::IsExecutable(bool* aResult)
+{
+ // Check we are correctly initialized.
+ CHECK_mWorkingPath();
+
+ if (NS_WARN_IF(!aResult)) {
+ return NS_ERROR_INVALID_ARG;
+ }
+ *aResult = false;
+
+ nsresult rv;
+
+ // only files can be executables
+ bool isFile;
+ rv = IsFile(&isFile);
+ if (NS_FAILED(rv)) {
+ return rv;
+ }
+ if (!isFile) {
+ return NS_OK;
+ }
+
+ //TODO: shouldn't we be checking mFollowSymlinks here?
+ bool symLink;
+ rv = IsSymlink(&symLink);
+ if (NS_FAILED(rv)) {
+ return rv;
+ }
+
+ nsAutoString path;
+ if (symLink) {
+ GetTarget(path);
+ } else {
+ GetPath(path);
+ }
+
+ // kill trailing dots and spaces.
+ int32_t filePathLen = path.Length() - 1;
+ while (filePathLen > 0 && (path[filePathLen] == L' ' ||
+ path[filePathLen] == L'.')) {
+ path.Truncate(filePathLen--);
+ }
+
+ // Get extension.
+ int32_t dotIdx = path.RFindChar(char16_t('.'));
+ if (dotIdx != kNotFound) {
+ // Convert extension to lower case.
+ char16_t* p = path.BeginWriting();
+ for (p += dotIdx + 1; *p; ++p) {
+ *p += (*p >= L'A' && *p <= L'Z') ? 'a' - 'A' : 0;
+ }
+
+ // Search for any of the set of executable extensions.
+ static const char* const executableExts[] = {
+ "ad",
+ "ade", // access project extension
+ "adp",
+ "air", // Adobe AIR installer
+ "app", // executable application
+ "application", // from bug 348763
+ "asp",
+ "bas",
+ "bat",
+ "chm",
+ "cmd",
+ "com",
+ "cpl",
+ "crt",
+ "exe",
+ "fxp", // FoxPro compiled app
+ "hlp",
+ "hta",
+ "inf",
+ "ins",
+ "isp",
+ "jar", // java application bundle
+ "js",
+ "jse",
+ "lnk",
+ "mad", // Access Module Shortcut
+ "maf", // Access
+ "mag", // Access Diagram Shortcut
+ "mam", // Access Macro Shortcut
+ "maq", // Access Query Shortcut
+ "mar", // Access Report Shortcut
+ "mas", // Access Stored Procedure
+ "mat", // Access Table Shortcut
+ "mau", // Media Attachment Unit
+ "mav", // Access View Shortcut
+ "maw", // Access Data Access Page
+ "mda", // Access Add-in, MDA Access 2 Workgroup
+ "mdb",
+ "mde",
+ "mdt", // Access Add-in Data
+ "mdw", // Access Workgroup Information
+ "mdz", // Access Wizard Template
+ "msc",
+ "msh", // Microsoft Shell
+ "mshxml", // Microsoft Shell
+ "msi",
+ "msp",
+ "mst",
+ "ops", // Office Profile Settings
+ "pcd",
+ "pif",
+ "plg", // Developer Studio Build Log
+ "prf", // windows system file
+ "prg",
+ "pst",
+ "reg",
+ "scf", // Windows explorer command
+ "scr",
+ "sct",
+ "shb",
+ "shs",
+ "url",
+ "vb",
+ "vbe",
+ "vbs",
+ "vsd",
+ "vsmacros", // Visual Studio .NET Binary-based Macro Project
+ "vss",
+ "vst",
+ "vsw",
+ "ws",
+ "wsc",
+ "wsf",
+ "wsh"
+ };
+ nsDependentSubstring ext = Substring(path, dotIdx + 1);
+ for (size_t i = 0; i < ArrayLength(executableExts); ++i) {
+ if (ext.EqualsASCII(executableExts[i])) {
+ // Found a match. Set result and quit.
+ *aResult = true;
+ break;
+ }
+ }
+ }
+
+ return NS_OK;
+}
+
+
+NS_IMETHODIMP
+nsLocalFile::IsDirectory(bool* aResult)
+{
+ return HasFileAttribute(FILE_ATTRIBUTE_DIRECTORY, aResult);
+}
+
+NS_IMETHODIMP
+nsLocalFile::IsFile(bool* aResult)
+{
+ nsresult rv = HasFileAttribute(FILE_ATTRIBUTE_DIRECTORY, aResult);
+ if (NS_SUCCEEDED(rv)) {
+ *aResult = !*aResult;
+ }
+ return rv;
+}
+
+NS_IMETHODIMP
+nsLocalFile::IsHidden(bool* aResult)
+{
+ return HasFileAttribute(FILE_ATTRIBUTE_HIDDEN, aResult);
+}
+
+nsresult
+nsLocalFile::HasFileAttribute(DWORD aFileAttrib, bool* aResult)
+{
+ if (NS_WARN_IF(!aResult)) {
+ return NS_ERROR_INVALID_ARG;
+ }
+
+ nsresult rv = Resolve();
+ if (NS_FAILED(rv)) {
+ return rv;
+ }
+
+ DWORD attributes = GetFileAttributesW(mResolvedPath.get());
+ if (INVALID_FILE_ATTRIBUTES == attributes) {
+ return ConvertWinError(GetLastError());
+ }
+
+ *aResult = ((attributes & aFileAttrib) != 0);
+ return NS_OK;
+}
+
+NS_IMETHODIMP
+nsLocalFile::IsSymlink(bool* aResult)
+{
+ // Check we are correctly initialized.
+ CHECK_mWorkingPath();
+
+ if (NS_WARN_IF(!aResult)) {
+ return NS_ERROR_INVALID_ARG;
+ }
+
+ // unless it is a valid shortcut path it's not a symlink
+ if (!IsShortcutPath(mWorkingPath)) {
+ *aResult = false;
+ return NS_OK;
+ }
+
+ // we need to know if this is a file or directory
+ nsresult rv = ResolveAndStat();
+ if (NS_FAILED(rv)) {
+ return rv;
+ }
+
+ // We should not check mFileInfo64.type here for PR_FILE_FILE because lnk
+ // files can point to directories or files. Important security checks
+ // depend on correctly identifying lnk files. mFileInfo64 now holds info
+ // about the target of the lnk file, not the actual lnk file!
+ *aResult = true;
+ return NS_OK;
+}
+
+NS_IMETHODIMP
+nsLocalFile::IsSpecial(bool* aResult)
+{
+ return HasFileAttribute(FILE_ATTRIBUTE_SYSTEM, aResult);
+}
+
+NS_IMETHODIMP
+nsLocalFile::Equals(nsIFile* aInFile, bool* aResult)
+{
+ if (NS_WARN_IF(!aInFile)) {
+ return NS_ERROR_INVALID_ARG;
+ }
+ if (NS_WARN_IF(!aResult)) {
+ return NS_ERROR_INVALID_ARG;
+ }
+
+ EnsureShortPath();
+
+ nsCOMPtr<nsILocalFileWin> lf(do_QueryInterface(aInFile));
+ if (!lf) {
+ *aResult = false;
+ return NS_OK;
+ }
+
+ nsAutoString inFilePath;
+ lf->GetCanonicalPath(inFilePath);
+
+ // Ok : Win9x
+ *aResult = _wcsicmp(mShortWorkingPath.get(), inFilePath.get()) == 0;
+
+ return NS_OK;
+}
+
+
+NS_IMETHODIMP
+nsLocalFile::Contains(nsIFile* aInFile, bool* aResult)
+{
+ // Check we are correctly initialized.
+ CHECK_mWorkingPath();
+
+ *aResult = false;
+
+ nsAutoString myFilePath;
+ if (NS_FAILED(GetTarget(myFilePath))) {
+ GetPath(myFilePath);
+ }
+
+ uint32_t myFilePathLen = myFilePath.Length();
+
+ nsAutoString inFilePath;
+ if (NS_FAILED(aInFile->GetTarget(inFilePath))) {
+ aInFile->GetPath(inFilePath);
+ }
+
+ // make sure that the |aInFile|'s path has a trailing separator.
+ if (inFilePath.Length() >= myFilePathLen &&
+ inFilePath[myFilePathLen] == L'\\') {
+ if (_wcsnicmp(myFilePath.get(), inFilePath.get(), myFilePathLen) == 0) {
+ *aResult = true;
+ }
+
+ }
+
+ return NS_OK;
+}
+
+
+NS_IMETHODIMP
+nsLocalFile::GetTarget(nsAString& aResult)
+{
+ aResult.Truncate();
+#if STRICT_FAKE_SYMLINKS
+ bool symLink;
+
+ nsresult rv = IsSymlink(&symLink);
+ if (NS_FAILED(rv)) {
+ return rv;
+ }
+
+ if (!symLink) {
+ return NS_ERROR_FILE_INVALID_PATH;
+ }
+#endif
+ ResolveAndStat();
+
+ aResult = mResolvedPath;
+ return NS_OK;
+}
+
+
+NS_IMETHODIMP
+nsLocalFile::GetFollowLinks(bool* aFollowLinks)
+{
+ *aFollowLinks = mFollowSymlinks;
+ return NS_OK;
+}
+NS_IMETHODIMP
+nsLocalFile::SetFollowLinks(bool aFollowLinks)
+{
+ MakeDirty();
+ mFollowSymlinks = aFollowLinks;
+ return NS_OK;
+}
+
+
+NS_IMETHODIMP
+nsLocalFile::GetDirectoryEntries(nsISimpleEnumerator** aEntries)
+{
+ nsresult rv;
+
+ *aEntries = nullptr;
+ if (mWorkingPath.EqualsLiteral("\\\\.")) {
+ RefPtr<nsDriveEnumerator> drives = new nsDriveEnumerator;
+ rv = drives->Init();
+ if (NS_FAILED(rv)) {
+ return rv;
+ }
+ drives.forget(aEntries);
+ return NS_OK;
+ }
+
+ RefPtr<nsDirEnumerator> dirEnum = new nsDirEnumerator();
+ rv = dirEnum->Init(this);
+ if (NS_FAILED(rv)) {
+ return rv;
+ }
+
+ dirEnum.forget(aEntries);
+
+ return NS_OK;
+}
+
+NS_IMETHODIMP
+nsLocalFile::GetPersistentDescriptor(nsACString& aPersistentDescriptor)
+{
+ CopyUTF16toUTF8(mWorkingPath, aPersistentDescriptor);
+ return NS_OK;
+}
+
+NS_IMETHODIMP
+nsLocalFile::SetPersistentDescriptor(const nsACString& aPersistentDescriptor)
+{
+ if (IsUTF8(aPersistentDescriptor)) {
+ return InitWithPath(NS_ConvertUTF8toUTF16(aPersistentDescriptor));
+ } else {
+ return InitWithNativePath(aPersistentDescriptor);
+ }
+}
+
+NS_IMETHODIMP
+nsLocalFile::GetFileAttributesWin(uint32_t* aAttribs)
+{
+ *aAttribs = 0;
+ DWORD dwAttrs = GetFileAttributesW(mWorkingPath.get());
+ if (dwAttrs == INVALID_FILE_ATTRIBUTES) {
+ return NS_ERROR_FILE_INVALID_PATH;
+ }
+
+ if (!(dwAttrs & FILE_ATTRIBUTE_NOT_CONTENT_INDEXED)) {
+ *aAttribs |= WFA_SEARCH_INDEXED;
+ }
+
+ return NS_OK;
+}
+
+NS_IMETHODIMP
+nsLocalFile::SetFileAttributesWin(uint32_t aAttribs)
+{
+ DWORD dwAttrs = GetFileAttributesW(mWorkingPath.get());
+ if (dwAttrs == INVALID_FILE_ATTRIBUTES) {
+ return NS_ERROR_FILE_INVALID_PATH;
+ }
+
+ if (aAttribs & WFA_SEARCH_INDEXED) {
+ dwAttrs &= ~FILE_ATTRIBUTE_NOT_CONTENT_INDEXED;
+ } else {
+ dwAttrs |= FILE_ATTRIBUTE_NOT_CONTENT_INDEXED;
+ }
+
+ if (aAttribs & WFA_READONLY) {
+ dwAttrs |= FILE_ATTRIBUTE_READONLY;
+ } else if ((aAttribs & WFA_READWRITE) &&
+ (dwAttrs & FILE_ATTRIBUTE_READONLY)) {
+ dwAttrs &= ~FILE_ATTRIBUTE_READONLY;
+ }
+
+ if (SetFileAttributesW(mWorkingPath.get(), dwAttrs) == 0) {
+ return NS_ERROR_FAILURE;
+ }
+ return NS_OK;
+}
+
+
+NS_IMETHODIMP
+nsLocalFile::Reveal()
+{
+ // This API should be main thread only
+ MOZ_ASSERT(NS_IsMainThread());
+
+ // make sure mResolvedPath is set
+ nsresult rv = Resolve();
+ if (NS_FAILED(rv) && rv != NS_ERROR_FILE_NOT_FOUND) {
+ return rv;
+ }
+
+ // To create a new thread, get the thread manager
+ nsCOMPtr<nsIThreadManager> tm = do_GetService(NS_THREADMANAGER_CONTRACTID);
+ nsCOMPtr<nsIThread> mythread;
+ rv = tm->NewThread(0, 0, getter_AddRefs(mythread));
+ if (NS_FAILED(rv)) {
+ return rv;
+ }
+
+ nsCOMPtr<nsIRunnable> runnable = new AsyncRevealOperation(mResolvedPath);
+
+ // After the dispatch, the result runnable will shut down the worker
+ // thread, so we can let it go.
+ mythread->Dispatch(runnable, NS_DISPATCH_NORMAL);
+ return NS_OK;
+}
+
+NS_IMETHODIMP
+nsLocalFile::Launch()
+{
+ // This API should be main thread only
+ MOZ_ASSERT(NS_IsMainThread());
+
+ // make sure mResolvedPath is set
+ nsresult rv = Resolve();
+ if (NS_FAILED(rv)) {
+ return rv;
+ }
+
+ // use the app registry name to launch a shell execute....
+ SHELLEXECUTEINFOW seinfo;
+ memset(&seinfo, 0, sizeof(seinfo));
+ seinfo.cbSize = sizeof(SHELLEXECUTEINFOW);
+ seinfo.fMask = SEE_MASK_ASYNCOK;
+ seinfo.hwnd = GetMostRecentNavigatorHWND();
+ seinfo.lpVerb = nullptr;
+ seinfo.lpFile = mResolvedPath.get();
+ seinfo.lpParameters = nullptr;
+ seinfo.lpDirectory = nullptr;
+ seinfo.nShow = SW_SHOWNORMAL;
+
+ // Use the directory of the file we're launching as the working
+ // directory. That way if we have a self extracting EXE it won't
+ // suggest to extract to the install directory.
+ WCHAR workingDirectory[MAX_PATH + 1] = { L'\0' };
+ wcsncpy(workingDirectory, mResolvedPath.get(), MAX_PATH);
+ if (PathRemoveFileSpecW(workingDirectory)) {
+ seinfo.lpDirectory = workingDirectory;
+ } else {
+ NS_WARNING("Could not set working directory for launched file.");
+ }
+
+ if (ShellExecuteExW(&seinfo)) {
+ return NS_OK;
+ }
+ DWORD r = GetLastError();
+ // if the file has no association, we launch windows'
+ // "what do you want to do" dialog
+ if (r == SE_ERR_NOASSOC) {
+ nsAutoString shellArg;
+ shellArg.AssignLiteral(u"shell32.dll,OpenAs_RunDLL ");
+ shellArg.Append(mResolvedPath);
+ seinfo.lpFile = L"RUNDLL32.EXE";
+ seinfo.lpParameters = shellArg.get();
+ if (ShellExecuteExW(&seinfo)) {
+ return NS_OK;
+ }
+ r = GetLastError();
+ }
+ if (r < 32) {
+ switch (r) {
+ case 0:
+ case SE_ERR_OOM:
+ return NS_ERROR_OUT_OF_MEMORY;
+ case ERROR_FILE_NOT_FOUND:
+ return NS_ERROR_FILE_NOT_FOUND;
+ case ERROR_PATH_NOT_FOUND:
+ return NS_ERROR_FILE_UNRECOGNIZED_PATH;
+ case ERROR_BAD_FORMAT:
+ return NS_ERROR_FILE_CORRUPTED;
+ case SE_ERR_ACCESSDENIED:
+ return NS_ERROR_FILE_ACCESS_DENIED;
+ case SE_ERR_ASSOCINCOMPLETE:
+ case SE_ERR_NOASSOC:
+ return NS_ERROR_UNEXPECTED;
+ case SE_ERR_DDEBUSY:
+ case SE_ERR_DDEFAIL:
+ case SE_ERR_DDETIMEOUT:
+ return NS_ERROR_NOT_AVAILABLE;
+ case SE_ERR_DLLNOTFOUND:
+ return NS_ERROR_FAILURE;
+ case SE_ERR_SHARE:
+ return NS_ERROR_FILE_IS_LOCKED;
+ default:
+ return NS_ERROR_FILE_EXECUTION_FAILED;
+ }
+ }
+ return NS_OK;
+}
+
+nsresult
+NS_NewLocalFile(const nsAString& aPath, bool aFollowLinks, nsIFile** aResult)
+{
+ RefPtr<nsLocalFile> file = new nsLocalFile();
+
+ file->SetFollowLinks(aFollowLinks);
+
+ if (!aPath.IsEmpty()) {
+ nsresult rv = file->InitWithPath(aPath);
+ if (NS_FAILED(rv)) {
+ return rv;
+ }
+ }
+
+ file.forget(aResult);
+ return NS_OK;
+}
+
+//-----------------------------------------------------------------------------
+// Native (lossy) interface
+//-----------------------------------------------------------------------------
+
+NS_IMETHODIMP
+nsLocalFile::InitWithNativePath(const nsACString& aFilePath)
+{
+ nsAutoString tmp;
+ nsresult rv = NS_CopyNativeToUnicode(aFilePath, tmp);
+ if (NS_SUCCEEDED(rv)) {
+ return InitWithPath(tmp);
+ }
+
+ return rv;
+}
+
+NS_IMETHODIMP
+nsLocalFile::AppendNative(const nsACString& aNode)
+{
+ nsAutoString tmp;
+ nsresult rv = NS_CopyNativeToUnicode(aNode, tmp);
+ if (NS_SUCCEEDED(rv)) {
+ return Append(tmp);
+ }
+
+ return rv;
+}
+
+NS_IMETHODIMP
+nsLocalFile::AppendRelativeNativePath(const nsACString& aNode)
+{
+ nsAutoString tmp;
+ nsresult rv = NS_CopyNativeToUnicode(aNode, tmp);
+ if (NS_SUCCEEDED(rv)) {
+ return AppendRelativePath(tmp);
+ }
+ return rv;
+}
+
+
+NS_IMETHODIMP
+nsLocalFile::GetNativeLeafName(nsACString& aLeafName)
+{
+ //NS_WARNING("This API is lossy. Use GetLeafName !");
+ nsAutoString tmp;
+ nsresult rv = GetLeafName(tmp);
+ if (NS_SUCCEEDED(rv)) {
+ rv = NS_CopyUnicodeToNative(tmp, aLeafName);
+ }
+
+ return rv;
+}
+
+NS_IMETHODIMP
+nsLocalFile::SetNativeLeafName(const nsACString& aLeafName)
+{
+ nsAutoString tmp;
+ nsresult rv = NS_CopyNativeToUnicode(aLeafName, tmp);
+ if (NS_SUCCEEDED(rv)) {
+ return SetLeafName(tmp);
+ }
+
+ return rv;
+}
+
+
+NS_IMETHODIMP
+nsLocalFile::GetNativePath(nsACString& aResult)
+{
+ //NS_WARNING("This API is lossy. Use GetPath !");
+ nsAutoString tmp;
+ nsresult rv = GetPath(tmp);
+ if (NS_SUCCEEDED(rv)) {
+ rv = NS_CopyUnicodeToNative(tmp, aResult);
+ }
+
+ return rv;
+}
+
+
+NS_IMETHODIMP
+nsLocalFile::GetNativeCanonicalPath(nsACString& aResult)
+{
+ NS_WARNING("This method is lossy. Use GetCanonicalPath !");
+ EnsureShortPath();
+ NS_CopyUnicodeToNative(mShortWorkingPath, aResult);
+ return NS_OK;
+}
+
+
+NS_IMETHODIMP
+nsLocalFile::CopyToNative(nsIFile* aNewParentDir, const nsACString& aNewName)
+{
+ // Check we are correctly initialized.
+ CHECK_mWorkingPath();
+
+ if (aNewName.IsEmpty()) {
+ return CopyTo(aNewParentDir, EmptyString());
+ }
+
+ nsAutoString tmp;
+ nsresult rv = NS_CopyNativeToUnicode(aNewName, tmp);
+ if (NS_SUCCEEDED(rv)) {
+ return CopyTo(aNewParentDir, tmp);
+ }
+
+ return rv;
+}
+
+NS_IMETHODIMP
+nsLocalFile::CopyToFollowingLinksNative(nsIFile* aNewParentDir,
+ const nsACString& aNewName)
+{
+ if (aNewName.IsEmpty()) {
+ return CopyToFollowingLinks(aNewParentDir, EmptyString());
+ }
+
+ nsAutoString tmp;
+ nsresult rv = NS_CopyNativeToUnicode(aNewName, tmp);
+ if (NS_SUCCEEDED(rv)) {
+ return CopyToFollowingLinks(aNewParentDir, tmp);
+ }
+
+ return rv;
+}
+
+NS_IMETHODIMP
+nsLocalFile::MoveToNative(nsIFile* aNewParentDir, const nsACString& aNewName)
+{
+ // Check we are correctly initialized.
+ CHECK_mWorkingPath();
+
+ if (aNewName.IsEmpty()) {
+ return MoveTo(aNewParentDir, EmptyString());
+ }
+
+ nsAutoString tmp;
+ nsresult rv = NS_CopyNativeToUnicode(aNewName, tmp);
+ if (NS_SUCCEEDED(rv)) {
+ return MoveTo(aNewParentDir, tmp);
+ }
+
+ return rv;
+}
+
+NS_IMETHODIMP
+nsLocalFile::GetNativeTarget(nsACString& aResult)
+{
+ // Check we are correctly initialized.
+ CHECK_mWorkingPath();
+
+ NS_WARNING("This API is lossy. Use GetTarget !");
+ nsAutoString tmp;
+ nsresult rv = GetTarget(tmp);
+ if (NS_SUCCEEDED(rv)) {
+ rv = NS_CopyUnicodeToNative(tmp, aResult);
+ }
+
+ return rv;
+}
+
+nsresult
+NS_NewNativeLocalFile(const nsACString& aPath, bool aFollowLinks,
+ nsIFile** aResult)
+{
+ nsAutoString buf;
+ nsresult rv = NS_CopyNativeToUnicode(aPath, buf);
+ if (NS_FAILED(rv)) {
+ *aResult = nullptr;
+ return rv;
+ }
+ return NS_NewLocalFile(buf, aFollowLinks, aResult);
+}
+
+void
+nsLocalFile::EnsureShortPath()
+{
+ if (!mShortWorkingPath.IsEmpty()) {
+ return;
+ }
+
+ WCHAR shortPath[MAX_PATH + 1];
+ DWORD lengthNeeded = ::GetShortPathNameW(mWorkingPath.get(), shortPath,
+ ArrayLength(shortPath));
+ // If an error occurred then lengthNeeded is set to 0 or the length of the
+ // needed buffer including null termination. If it succeeds the number of
+ // wide characters not including null termination is returned.
+ if (lengthNeeded != 0 && lengthNeeded < ArrayLength(shortPath)) {
+ mShortWorkingPath.Assign(shortPath);
+ } else {
+ mShortWorkingPath.Assign(mWorkingPath);
+ }
+}
+
+// nsIHashable
+
+NS_IMETHODIMP
+nsLocalFile::Equals(nsIHashable* aOther, bool* aResult)
+{
+ nsCOMPtr<nsIFile> otherfile(do_QueryInterface(aOther));
+ if (!otherfile) {
+ *aResult = false;
+ return NS_OK;
+ }
+
+ return Equals(otherfile, aResult);
+}
+
+NS_IMETHODIMP
+nsLocalFile::GetHashCode(uint32_t* aResult)
+{
+ // In order for short and long path names to hash to the same value we
+ // always hash on the short pathname.
+ EnsureShortPath();
+
+ *aResult = HashString(mShortWorkingPath);
+ return NS_OK;
+}
+
+//-----------------------------------------------------------------------------
+// nsLocalFile <static members>
+//-----------------------------------------------------------------------------
+
+void
+nsLocalFile::GlobalInit()
+{
+ DebugOnly<nsresult> rv = NS_CreateShortcutResolver();
+ NS_ASSERTION(NS_SUCCEEDED(rv), "Shortcut resolver could not be created");
+}
+
+void
+nsLocalFile::GlobalShutdown()
+{
+ NS_DestroyShortcutResolver();
+}
+
+NS_IMPL_ISUPPORTS(nsDriveEnumerator, nsISimpleEnumerator)
+
+nsDriveEnumerator::nsDriveEnumerator()
+{
+}
+
+nsDriveEnumerator::~nsDriveEnumerator()
+{
+}
+
+nsresult
+nsDriveEnumerator::Init()
+{
+ /* If the length passed to GetLogicalDriveStrings is smaller
+ * than the length of the string it would return, it returns
+ * the length required for the string. */
+ DWORD length = GetLogicalDriveStringsW(0, 0);
+ /* The string is null terminated */
+ if (!mDrives.SetLength(length + 1, fallible)) {
+ return NS_ERROR_OUT_OF_MEMORY;
+ }
+ if (!GetLogicalDriveStringsW(length, wwc(mDrives.BeginWriting()))) {
+ return NS_ERROR_FAILURE;
+ }
+ mDrives.BeginReading(mStartOfCurrentDrive);
+ mDrives.EndReading(mEndOfDrivesString);
+ return NS_OK;
+}
+
+NS_IMETHODIMP
+nsDriveEnumerator::HasMoreElements(bool* aHasMore)
+{
+ *aHasMore = *mStartOfCurrentDrive != L'\0';
+ return NS_OK;
+}
+
+NS_IMETHODIMP
+nsDriveEnumerator::GetNext(nsISupports** aNext)
+{
+ /* GetLogicalDrives stored in mDrives is a concatenation
+ * of null terminated strings, followed by a null terminator.
+ * mStartOfCurrentDrive is an iterator pointing at the first
+ * character of the current drive. */
+ if (*mStartOfCurrentDrive == L'\0') {
+ *aNext = nullptr;
+ return NS_OK;
+ }
+
+ nsAString::const_iterator driveEnd = mStartOfCurrentDrive;
+ FindCharInReadable(L'\0', driveEnd, mEndOfDrivesString);
+ nsString drive(Substring(mStartOfCurrentDrive, driveEnd));
+ mStartOfCurrentDrive = ++driveEnd;
+
+ nsIFile* file;
+ nsresult rv = NS_NewLocalFile(drive, false, &file);
+
+ *aNext = file;
+ return rv;
+}
generated by cgit v1.2.3 (git 2.25.1) at 2024-07-25 16:04:28 +0000