/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ /* ***** BEGIN LICENSE BLOCK ***** * Version: MPL 1.1/GPL 2.0/LGPL 2.1 * * The contents of this file are subject to the Mozilla Public License Version * 1.1 (the "License"); you may not use this file except in compliance with * the License. You may obtain a copy of the License at * http://www.mozilla.org/MPL/ * * Software distributed under the License is distributed on an "AS IS" basis, * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License * for the specific language governing rights and limitations under the * License. * * The Original Code is Mozilla Communicator client code, released * March 31, 1998. * * The Initial Developer of the Original Code is * Netscape Communications Corporation. * Portions created by the Initial Developer are Copyright (C) 1998-1999 * the Initial Developer. All Rights Reserved. * * Contributor(s): * Doug Turner * Dean Tessman * Brodie Thiesfield * Jungshik Shin * * Alternatively, the contents of this file may be used under the terms of * either of the GNU General Public License Version 2 or later (the "GPL"), * or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"), * in which case the provisions of the GPL or the LGPL are applicable instead * of those above. If you wish to allow use of your version of this file only * under the terms of either the GPL or the LGPL, and not to allow others to * use your version of this file under the terms of the MPL, indicate your * decision by deleting the provisions above and replace them with the notice * and other provisions required by the GPL or the LGPL. If you do not delete * the provisions above, a recipient may use your version of this file under * the terms of any one of the MPL, the GPL or the LGPL. * * ***** END LICENSE BLOCK ***** */ #include "nsCOMPtr.h" #include "nsMemory.h" #include "nsLocalFile.h" #include "nsIDirectoryEnumerator.h" #include "nsNativeCharsetUtils.h" #include "nsWinAPIs.h" #include "nsISimpleEnumerator.h" #include "nsIComponentManager.h" #include "prtypes.h" #include "prio.h" #include "private/pprio.h" // To get PR_ImportFile #include "prprf.h" #include "prmem.h" #include "nsXPIDLString.h" #include "nsReadableUtils.h" #include #include #include "shellapi.h" #include "shlguid.h" #include #include #include #include #include "nsXPIDLString.h" #include "prproces.h" #include "nsITimelineService.h" #include "nsAutoLock.h" #include "SpecialSystemDirectory.h" // _mbsstr isn't declared in w32api headers but it's there in the libs #ifdef __MINGW32__ extern "C" { unsigned char *_mbsstr( const unsigned char *str, const unsigned char *substr ); } #endif class nsDriveEnumerator : public nsISimpleEnumerator { public: nsDriveEnumerator(); virtual ~nsDriveEnumerator(); NS_DECL_ISUPPORTS NS_DECL_NSISIMPLEENUMERATOR nsresult Init(); private: /* mDrives and mLetter share data * Init sets them. * HasMoreElements reads mLetter. * GetNext advances mLetter. */ nsCString mDrives; const char *mLetter; }; //---------------------------------------------------------------------------- // short cut resolver //---------------------------------------------------------------------------- #ifndef WINCE class ShortcutResolver { public: ShortcutResolver(); // nonvirtual since we're not subclassed ~ShortcutResolver(); nsresult Init(); nsresult Resolve(const WCHAR* in, WCHAR* out); private: PRLock* mLock; IPersistFile* mPersistFile; // Win 95 and 98 don't have IShellLinkW union { IShellLinkW* W; IShellLinkA* A; } mShellLink; }; ShortcutResolver::ShortcutResolver() { mLock = nsnull; mPersistFile = nsnull; mShellLink.W = nsnull; } ShortcutResolver::~ShortcutResolver() { if (mLock) PR_DestroyLock(mLock); // Release the pointer to the IPersistFile interface. if (mPersistFile) mPersistFile->Release(); // Release the pointer to the IShellLink interface. if (NS_UseUnicode()) { if (mShellLink.W) mShellLink.W->Release(); } else { if (mShellLink.A) mShellLink.A->Release(); } CoUninitialize(); } nsresult ShortcutResolver::Init() { CoInitialize(NULL); // FIX: we should probably move somewhere higher up during startup mLock = PR_NewLock(); if (!mLock) return NS_ERROR_FAILURE; HRESULT hres; if (NS_UseUnicode()) { hres = CoCreateInstance(CLSID_ShellLink, NULL, CLSCTX_INPROC_SERVER, IID_IShellLinkW, (void**)&(mShellLink.W)); if (SUCCEEDED(hres)) { // Get a pointer to the IPersistFile interface. hres = mShellLink.W->QueryInterface(IID_IPersistFile, (void**)&mPersistFile); } } else { hres = CoCreateInstance(CLSID_ShellLink, NULL, CLSCTX_INPROC_SERVER, IID_IShellLinkA, (void**)&(mShellLink.A)); if (SUCCEEDED(hres)) { // Get a pointer to the IPersistFile interface. hres = mShellLink.A->QueryInterface(IID_IPersistFile, (void**)&mPersistFile); } } if (mPersistFile == nsnull || mShellLink.W == nsnull) return NS_ERROR_FAILURE; return NS_OK; } // |out| must be an allocated buffer of size MAX_PATH nsresult ShortcutResolver::Resolve(const WCHAR* in, WCHAR* out) { nsAutoLock lock(mLock); // see if we can Load the path. HRESULT hres = mPersistFile->Load(in, STGM_READ); if (FAILED(hres)) return NS_ERROR_FAILURE; // Resolve the link. hres = mShellLink.W->Resolve(nsnull, SLR_NO_UI ); if (FAILED(hres)) return NS_ERROR_FAILURE; // Get the path to the link target. if (NS_UseUnicode()) hres = mShellLink.W->GetPath( out, MAX_PATH, NULL, SLGP_UNCPRIORITY ); else { char tmp[MAX_PATH]; hres = mShellLink.A->GetPath( tmp, MAX_PATH, NULL, SLGP_UNCPRIORITY ); if (SUCCEEDED(hres)) NS_ConvertAtoW(tmp, MAX_PATH, out); } if (FAILED(hres)) return NS_ERROR_FAILURE; return NS_OK; } static ShortcutResolver * gResolver = nsnull; static nsresult NS_CreateShortcutResolver() { gResolver = new ShortcutResolver(); if (!gResolver) return NS_ERROR_OUT_OF_MEMORY; return gResolver->Init(); } static void NS_DestroyShortcutResolver() { delete gResolver; gResolver = nsnull; } #endif //----------------------------------------------------------------------------- // static helper functions //----------------------------------------------------------------------------- // certainly not all the error that can be // encountered, but many of them common ones static nsresult ConvertWinError(DWORD winErr) { nsresult rv; switch (winErr) { case ERROR_FILE_NOT_FOUND: case ERROR_PATH_NOT_FOUND: case ERROR_INVALID_DRIVE: 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_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 0: rv = NS_OK; break; default: rv = NS_ERROR_FAILURE; break; } return rv; } // definition of INVALID_SET_FILE_POINTER from VC.NET header files // it doesn't appear to be defined by VC6 #ifndef INVALID_SET_FILE_POINTER # define INVALID_SET_FILE_POINTER ((DWORD)-1) #endif // same goes for INVALID_FILE_ATTRIBUTES #ifndef INVALID_FILE_ATTRIBUTES # define INVALID_FILE_ATTRIBUTES ((DWORD)-1) #endif // 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 PRBool IsShortcutPath(const nsAString &path) { // 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. NS_ABORT_IF_FALSE(!path.IsEmpty(), "don't pass an empty string"); PRInt32 len = path.Length(); return (StringTail(path, 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 { PRInt32 osfd; }; struct PRFilePrivate { PRInt32 state; PRBool nonblocking; _PRTriStateBool inheritable; PRFileDesc *next; PRIntn lockCount; /* 0: not locked * -1: a native lockfile call is in progress * > 0: # times the file is locked */ PRBool 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 static nsresult OpenFile(const nsAFlatString &name, PRIntn osflags, PRIntn mode, PRFileDesc **fd) { // XXX : 'mode' is not translated !!! PRInt32 access = 0; PRInt32 flags = 0; PRInt32 flag6 = 0; if (osflags & PR_SYNC) flag6 = FILE_FLAG_WRITE_THROUGH; if (osflags & PR_RDONLY || osflags & PR_RDWR) access |= GENERIC_READ; if (osflags & PR_WRONLY || osflags & PR_RDWR) access |= GENERIC_WRITE; if ( osflags & PR_CREATE_FILE && osflags & PR_EXCL ) flags = CREATE_NEW; else if (osflags & PR_CREATE_FILE) { if (osflags & PR_TRUNCATE) flags = CREATE_ALWAYS; else flags = OPEN_ALWAYS; } else { if (osflags & PR_TRUNCATE) flags = TRUNCATE_EXISTING; else flags = OPEN_EXISTING; } HANDLE file = nsWinAPIs::mCreateFile(name.get(), access, FILE_SHARE_READ|FILE_SHARE_WRITE, NULL, flags, flag6, NULL); if (file == INVALID_HANDLE_VALUE) { *fd = nsnull; return ConvertWinError(GetLastError()); } *fd = PR_ImportFile((PRInt32) file); if (*fd) { // 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) (*fd)->secret->appendMode = (PR_APPEND & osflags) ? PR_TRUE : PR_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 *filetime, PRTime *prtm) { #ifdef __GNUC__ const PRTime _pr_filetime_offset = 116444736000000000LL; #else const PRTime _pr_filetime_offset = 116444736000000000i64; #endif PR_ASSERT(sizeof(FILETIME) == sizeof(PRTime)); ::CopyMemory(prtm, filetime, sizeof(PRTime)); #ifdef __GNUC__ *prtm = (*prtm - _pr_filetime_offset) / 10LL; #else *prtm = (*prtm - _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 &name, PRFileInfo64 *info) { WIN32_FILE_ATTRIBUTE_DATA fileData; if (name.IsEmpty() || name.FindCharInSet(L"?*") != kNotFound) return NS_ERROR_INVALID_ARG; // GetFileAttributesExW/A were confirmed to work correctly // with a filename ending with a slash and a root directory except on Win95 // without MS IE 4 or later (see |mGetFileAttributesEx| in nsWinAPIs.cpp.) // Therefore, we don't need to add a fallback as done in // _PR_MD_GETFILEINFO64 (w95io.c) if (!nsWinAPIs::mGetFileAttributesEx(name.get(), GetFileExInfoStandard, &fileData)) return ConvertWinError(GetLastError()); if (fileData.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY) { info->type = PR_FILE_DIRECTORY; } else { info->type = PR_FILE_FILE; } info->size = fileData.nFileSizeHigh; info->size = (info->size << 32) + fileData.nFileSizeLow; FileTimeToPRTime(&fileData.ftLastWriteTime, &info->modifyTime); if (0 == fileData.ftCreationTime.dwLowDateTime && 0 == fileData.ftCreationTime.dwHighDateTime) { info->creationTime = info->modifyTime; } else { FileTimeToPRTime(&fileData.ftCreationTime, &info->creationTime); } return NS_OK; } struct nsDir { HANDLE handle; union { WIN32_FIND_DATAW dataW; WIN32_FIND_DATAA dataA; } entry; PRBool firstEntry; }; static nsresult OpenDir(const nsAFlatString &name, nsDir * *dir) { NS_ENSURE_ARG_POINTER(dir); *dir = nsnull; if (name.Length() + 3 >= MAX_PATH) return NS_ERROR_FILE_NAME_TOO_LONG; nsDir *d = PR_NEW(nsDir); if (!d) return NS_ERROR_OUT_OF_MEMORY; nsAutoString filename(name); //If 'name' ends in a slash or backslash, do not append //another backslash. if (filename.Last() == L'/' || filename.Last() == L'\\') filename.AppendASCII("*"); else filename.AppendASCII("\\*"); filename.ReplaceChar(L'/', L'\\'); if (NS_UseUnicode()) d->handle = ::FindFirstFileW(filename.get(), &(d->entry.dataW) ); else { nsCAutoString filenameA; NS_CopyUnicodeToNative(filename, filenameA); d->handle = ::FindFirstFileA(filenameA.get(), &(d->entry.dataA) ); } if ( d->handle == INVALID_HANDLE_VALUE ) { PR_Free(d); return ConvertWinError(GetLastError()); } d->firstEntry = PR_TRUE; *dir = d; return NS_OK; } static nsresult ReadDir(nsDir *dir, PRDirFlags flags, nsString& name) { name.Truncate(); NS_ENSURE_ARG(dir); while (1) { BOOL rv; if (dir->firstEntry) { dir->firstEntry = PR_FALSE; rv = 1; } else if (NS_UseUnicode()) rv = ::FindNextFileW(dir->handle, &(dir->entry.dataW)); else rv = ::FindNextFileA(dir->handle, &(dir->entry.dataA)); if (rv == 0) break; const PRUnichar *fileName; nsString tmp; if (NS_UseUnicode()) fileName = (dir)->entry.dataW.cFileName; else { NS_CopyNativeToUnicode(nsDependentCString((dir)-> entry.dataA.cFileName), tmp); fileName = tmp.get(); } if ((flags & PR_SKIP_DOT) && (fileName[0] == L'.') && (fileName[1] == L'\0')) continue; if ((flags & PR_SKIP_DOT_DOT) && (fileName[0] == L'.') && (fileName[1] == L'.') && (fileName[2] == L'\0')) continue; // Perhaps, we can just get away with using entry.dataW.dwFileAttributes // because dwFileAttributes is the first field of both WIN32_FIND_DATAW // and WIN32_FIND_DATAA, but let's be on the safe side here. DWORD attrib = NS_UseUnicode() ? dir->entry.dataW.dwFileAttributes : dir->entry.dataA.dwFileAttributes; if ((flags & PR_SKIP_HIDDEN) && (attrib & FILE_ATTRIBUTE_HIDDEN)) continue; if (fileName == tmp.get()) name = tmp; else name = fileName; return NS_OK; } DWORD err = GetLastError(); return err == ERROR_NO_MORE_FILES ? NS_OK : ConvertWinError(err); } static nsresult CloseDir(nsDir *d) { NS_ENSURE_ARG(d); BOOL isOk = FindClose(d->handle); PR_DELETE(d); return isOk ? NS_OK : ConvertWinError(GetLastError()); } //----------------------------------------------------------------------------- // nsDirEnumerator //----------------------------------------------------------------------------- class nsDirEnumerator : public nsISimpleEnumerator, public nsIDirectoryEnumerator { public: NS_DECL_ISUPPORTS nsDirEnumerator() : mDir(nsnull) { } nsresult Init(nsILocalFile* parent) { nsAutoString filepath; parent->GetTarget(filepath); if (filepath.IsEmpty()) { parent->GetPath(filepath); } if (filepath.IsEmpty()) { return NS_ERROR_UNEXPECTED; } nsresult rv = OpenDir(filepath, &mDir); if (NS_FAILED(rv)) return rv; mParent = parent; return NS_OK; } NS_IMETHOD HasMoreElements(PRBool *result) { nsresult rv; if (mNext == nsnull && 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; mDir = nsnull; *result = PR_FALSE; return NS_OK; } nsCOMPtr file; rv = mParent->Clone(getter_AddRefs(file)); if (NS_FAILED(rv)) return rv; rv = file->Append(name); if (NS_FAILED(rv)) return rv; // make sure the thing exists. If it does, try the next one. PRBool exists; rv = file->Exists(&exists); if (NS_FAILED(rv) || !exists) { return HasMoreElements(result); } mNext = do_QueryInterface(file); } *result = mNext != nsnull; if (!*result) Close(); return NS_OK; } NS_IMETHOD GetNext(nsISupports **result) { nsresult rv; PRBool hasMore; rv = HasMoreElements(&hasMore); if (NS_FAILED(rv)) return rv; *result = mNext; // might return nsnull NS_IF_ADDREF(*result); mNext = nsnull; return NS_OK; } NS_IMETHOD GetNextFile(nsIFile **result) { *result = nsnull; PRBool hasMore = PR_FALSE; nsresult rv = HasMoreElements(&hasMore); if (NS_FAILED(rv) || !hasMore) return rv; *result = mNext; NS_IF_ADDREF(*result); mNext = nsnull; 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; mDir = nsnull; } return NS_OK; } // dtor can be non-virtual since there are no subclasses, but must be // public to use the class on the stack. ~nsDirEnumerator() { Close(); } protected: nsDir* mDir; nsCOMPtr mParent; nsCOMPtr mNext; }; NS_IMPL_ISUPPORTS2(nsDirEnumerator, nsISimpleEnumerator, nsIDirectoryEnumerator) //----------------------------------------------------------------------------- // nsLocalFile //----------------------------------------------------------------------------- nsLocalFile::nsLocalFile() : mDirty(PR_TRUE) , mFollowSymlinks(PR_FALSE) { } NS_METHOD nsLocalFile::nsLocalFileConstructor(nsISupports* outer, const nsIID& aIID, void* *aInstancePtr) { NS_ENSURE_ARG_POINTER(aInstancePtr); NS_ENSURE_NO_AGGREGATION(outer); nsLocalFile* inst = new nsLocalFile(); if (inst == NULL) return NS_ERROR_OUT_OF_MEMORY; nsresult rv = inst->QueryInterface(aIID, aInstancePtr); if (NS_FAILED(rv)) { delete inst; return rv; } return NS_OK; } //----------------------------------------------------------------------------- // nsLocalFile::nsISupports //----------------------------------------------------------------------------- NS_IMPL_THREADSAFE_ISUPPORTS3(nsLocalFile, nsILocalFile, nsIFile, nsILocalFileWin) //----------------------------------------------------------------------------- // nsLocalFile //----------------------------------------------------------------------------- nsLocalFile::nsLocalFile(const nsLocalFile& other) : mDirty(PR_TRUE) , mFollowSymlinks(other.mFollowSymlinks) , mWorkingPath(other.mWorkingPath) { } // Resolve the shortcut file from mWorkingPath and write the path // it points to into mResolvedPath. nsresult nsLocalFile::ResolveShortcut() { #ifndef WINCE // 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; PRUnichar *resolvedPath = 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; #else return NS_OK; #endif } // 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; // 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.AppendASCII("\\"); // first we will see if the working path exists. If it doesn't then // there is nothing more that can be done if (NS_FAILED(GetFileInfo(nsprPath, &mFileInfo64))) return NS_ERROR_FILE_NOT_FOUND; // 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 = PR_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; } // get the details of the resolved path if (NS_FAILED(GetFileInfo(mResolvedPath, &mFileInfo64))) return NS_ERROR_FILE_NOT_FOUND; mDirty = PR_FALSE; return NS_OK; } //----------------------------------------------------------------------------- // nsLocalFile::nsIFile,nsILocalFile //----------------------------------------------------------------------------- NS_IMETHODIMP nsLocalFile::Clone(nsIFile **file) { // Just copy-construct ourselves *file = new nsLocalFile(*this); if (!*file) return NS_ERROR_OUT_OF_MEMORY; NS_ADDREF(*file); return NS_OK; } NS_IMETHODIMP nsLocalFile::InitWithFile(nsILocalFile *aFile) { NS_ENSURE_ARG(aFile); nsAutoString path; aFile->GetPath(path); if (path.IsEmpty()) return NS_ERROR_INVALID_ARG; return InitWithPath(path); } NS_IMETHODIMP nsLocalFile::InitWithPath(const nsAString &filePath) { MakeDirty(); nsAString::const_iterator begin, end; filePath.BeginReading(begin); filePath.EndReading(end); // input string must not be empty if (begin == end) return NS_ERROR_FAILURE; PRUnichar firstChar = *begin; PRUnichar 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. PRUnichar *path = nsnull; PRInt32 pathLen = 0; if ( ( (secondChar == L':') && !FindCharInReadable(L'/', begin, end) ) || // normal path #ifdef WINCE ( (firstChar == L'\\') ) // wince absolute path or network path #else ( (firstChar == L'\\') && (secondChar == L'\\') ) // network path #endif ) { // This is a native path path = ToNewUnicode(filePath); pathLen = filePath.Length(); } if (path == nsnull) { return NS_ERROR_FILE_UNRECOGNIZED_PATH; } // kill any trailing '\' PRInt32 len = pathLen - 1; if (path[len] == L'\\') { path[len] = L'\0'; pathLen = len; } mWorkingPath.Adopt(path, pathLen); return NS_OK; } NS_IMETHODIMP nsLocalFile::OpenNSPRFileDesc(PRInt32 flags, PRInt32 mode, PRFileDesc **_retval) { nsresult rv = ResolveAndStat(); if (NS_FAILED(rv) && rv != NS_ERROR_FILE_NOT_FOUND) return rv; return OpenFile(mResolvedPath, flags, mode, _retval); } NS_IMETHODIMP nsLocalFile::OpenANSIFileDesc(const char *mode, FILE * *_retval) { nsresult rv = ResolveAndStat(); if (NS_FAILED(rv) && rv != NS_ERROR_FILE_NOT_FOUND) return rv; *_retval = nsWinAPIs::mFopen(mResolvedPath.get(), NS_ConvertASCIItoUTF16(mode).get()); if (*_retval) return NS_OK; return NS_ERROR_FAILURE; } NS_IMETHODIMP nsLocalFile::Create(PRUint32 type, PRUint32 attributes) { if (type != NORMAL_FILE_TYPE && type != 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. PRUnichar* path = mResolvedPath.BeginWriting(); if (path[0] == L'\\' && path[1] == L'\\') { #ifdef WINCE ++path; #else // dealing with a UNC path here; skip past '\\machine\' path = wcschr(path + 2, L'\\'); if (!path) return NS_ERROR_FILE_INVALID_PATH; ++path; #endif } // search for first slash after the drive (or volume) name PRUnichar* slash = wcschr(path, L'\\'); if (slash) { // skip the first '\\' ++slash; slash = wcschr(slash, L'\\'); while (slash) { *slash = L'\0'; if (!nsWinAPIs::mCreateDirectory(mResolvedPath.get(), NULL)) { rv = ConvertWinError(GetLastError()); // 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. if (rv != NS_ERROR_FILE_ALREADY_EXISTS && rv != NS_ERROR_FILE_ACCESS_DENIED) return rv; } *slash = L'\\'; ++slash; slash = wcschr(slash, L'\\'); } } if (type == NORMAL_FILE_TYPE) { PRFileDesc* file; rv = OpenFile(mResolvedPath, PR_RDONLY | PR_CREATE_FILE | PR_APPEND | PR_EXCL, attributes, &file); if (file) PR_Close(file); if (rv == NS_ERROR_FILE_ACCESS_DENIED) { // need to return already-exists for directories (bug 452217) PRBool isdir; if (NS_SUCCEEDED(IsDirectory(&isdir)) && isdir) rv = NS_ERROR_FILE_ALREADY_EXISTS; } return rv; } if (type == DIRECTORY_TYPE) { if (!nsWinAPIs::mCreateDirectory(mResolvedPath.get(), NULL)) return ConvertWinError(GetLastError()); else return NS_OK; } return NS_ERROR_FILE_UNKNOWN_TYPE; } NS_IMETHODIMP nsLocalFile::Append(const nsAString &node) { // append this path, multiple components are not permitted return AppendInternal(PromiseFlatString(node), PR_FALSE); } NS_IMETHODIMP nsLocalFile::AppendRelativePath(const nsAString &node) { // append this path, multiple components are permitted return AppendInternal(PromiseFlatString(node), PR_TRUE); } nsresult nsLocalFile::AppendInternal(const nsAFlatString &node, PRBool multipleComponents) { if (node.IsEmpty()) return NS_OK; // check the relative path for validity if (node.First() == L'\\' // can't start with an '\' || node.FindChar(L'/') != kNotFound // can't contain / || node.EqualsASCII("..")) // can't be .. return NS_ERROR_FILE_UNRECOGNIZED_PATH; #ifndef WINCE // who cares? if (multipleComponents) { // 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; node.BeginReading(start); node.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(node, NS_LITERAL_STRING("..\\"))) return NS_ERROR_FILE_UNRECOGNIZED_PATH; } // single components can't contain '\' else if (node.FindChar(L'\\') != kNotFound) return NS_ERROR_FILE_UNRECOGNIZED_PATH; #endif MakeDirty(); mWorkingPath.Append(NS_LITERAL_STRING("\\") + node); return NS_OK; } #define TOUPPER(u) (((u) >= L'a' && (u) <= L'z') ? \ (u) - (L'a' - L'A') : (u)) NS_IMETHODIMP nsLocalFile::Normalize() { #ifndef WINCE // 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\"). PRInt32 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; if (!nsWinAPIs::mGetDCwd(drive, pcwd, MAX_PATH)) pcwd = nsWinAPIs::mGetDCwd(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 < (PRInt32)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 == (PRInt32)path.Length()) return NS_OK; // assign the root const PRUnichar * 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. PRInt32 len, begin, end = rootIdx; while (end < (PRInt32)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) { PRInt32 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. PRInt32 filePathLen = mWorkingPath.Length() - 1; while(filePathLen > 0 && (mWorkingPath[filePathLen] == L' ' || mWorkingPath[filePathLen] == L'.')) { mWorkingPath.Truncate(filePathLen--); } MakeDirty(); #else // WINCE // WINCE FIX #endif return NS_OK; } NS_IMETHODIMP nsLocalFile::GetLeafName(nsAString &aLeafName) { aLeafName.Truncate(); if(mWorkingPath.IsEmpty()) return NS_ERROR_FILE_UNRECOGNIZED_PATH; PRInt32 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 PRInt32 offset = mWorkingPath.RFindChar(L'\\'); if (offset) { mWorkingPath.Truncate(offset+1); } mWorkingPath.Append(aLeafName); return NS_OK; } NS_IMETHODIMP nsLocalFile::GetPath(nsAString &_retval) { _retval = mWorkingPath; return NS_OK; } typedef struct { WORD wLanguage; WORD wCodePage; } LANGANDCODEPAGE; NS_IMETHODIMP nsLocalFile::GetVersionInfoField(const char* aField, nsAString& _retval) { nsresult rv = ResolveAndStat(); if (NS_FAILED(rv)) return rv; rv = NS_ERROR_FAILURE; // Cast away const-ness here because WinAPI functions don't understand it, // the path is used for [in] parameters only however so it's safe. WCHAR *path = NS_CONST_CAST(WCHAR*, mFollowSymlinks ? mResolvedPath.get() : mWorkingPath.get()); // Per http://msdn.microsoft.com/library/default.asp?url=/library/en-us/winui/winui/windowsuserinterface/resources/versioninformation/versioninformationreference/versioninformationfunctions/getfileversioninfosize.asp // if the "short" version of this file name is > 125 characters, // GetFileVersionInfoSize will not work (for Win9x compatibility) WCHAR shortPath[126]; nsWinAPIs::mGetShortPathName(path, shortPath, sizeof(shortPath)); DWORD dummy; DWORD size = nsWinAPIs::mGetFileVersionInfoSize(shortPath, &dummy); if (!size) return rv; void* ver = calloc(size, 1); if (!ver) return NS_ERROR_OUT_OF_MEMORY; if (nsWinAPIs::mGetFileVersionInfo(path, 0, size, ver)) { LANGANDCODEPAGE* translate = nsnull; UINT pageCount; BOOL queryResult = ::VerQueryValue(ver, "\\VarFileInfo\\Translation", (void**)&translate, &pageCount); if (queryResult && translate) { for (PRInt32 i = 0; i < 2; ++i) { // XXX : need to make sure that we can get away with // 'VerQueryValueA' here. char subBlock[MAX_PATH]; PR_snprintf(subBlock, sizeof(subBlock), "\\StringFileInfo\\%04x%04x\\%s", (i == 0 ? translate[0].wLanguage : ::GetUserDefaultLangID()), translate[0].wCodePage, aField); LPVOID value = nsnull; UINT size; // XXX : we should use 'W' API on Win 2k or later to cope // with presumably rare cases where the default system // codepage is different from the codepage of a string // returned by |VerQueryValueA| (bug 344630) queryResult = ::VerQueryValueA(ver, subBlock, &value, &size); if (queryResult && value) { NS_CopyNativeToUnicode( nsDependentCString((const char*) value), _retval); if (!_retval.IsEmpty()) { rv = NS_OK; break; } } } } } free(ver); return rv; } nsresult nsLocalFile::CopySingleFile(nsIFile *sourceFile, nsIFile *destParent, const nsAString &newName, PRBool followSymlinks, PRBool move) { nsresult rv; nsAutoString filePath; // 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; destParent->GetTarget(destPath); destPath.AppendASCII("\\"); if (newName.IsEmpty()) { nsAutoString aFileName; sourceFile->GetLeafName(aFileName); destPath.Append(aFileName); } else { destPath.Append(newName); } if (followSymlinks) { rv = sourceFile->GetTarget(filePath); if (filePath.IsEmpty()) rv = sourceFile->GetPath(filePath); } else { rv = sourceFile->GetPath(filePath); } if (NS_FAILED(rv)) return rv; int copyOK; if (!move) copyOK = nsWinAPIs::mCopyFile(filePath.get(), destPath.get(), PR_TRUE); else { // What we have to do is check to see if the destPath exists. If it // does, we have to move it out of the say so that MoveFile will // succeed. However, we don't want to just remove it since MoveFile // can fail leaving us without a file. nsAutoString backup; PRFileInfo64 fileInfo64; if (NS_SUCCEEDED(GetFileInfo(destPath, &fileInfo64))) { // the file exists. Check to make sure it is not a directory, // then move it out of the way. if (fileInfo64.type == PR_FILE_FILE) { backup.Append(destPath); backup.Append(L".moztmp"); // we are about to remove the .moztmp file, // so attempt to make sure the file is writable // (meaning: the "read only" attribute is not set) // _wchmod can silently fail (return -1) if // the file doesn't exist but that's ok, because // _wremove() will also silently fail if the file // doesn't exist. (void)nsWinAPIs::mChmod(backup.get(), _S_IREAD | _S_IWRITE); // remove any existing backup file that we may already have. // maybe we should be doing some kind of unique naming here, // but why bother. (void)nsWinAPIs::mRemove(backup.get()); // move destination file to backup file copyOK = nsWinAPIs::mMoveFile(destPath.get(), backup.get()); if (!copyOK) { // I guess we can't do the backup copy, so return. rv = ConvertWinError(GetLastError()); return rv; } } } // move source file to destination file copyOK = nsWinAPIs::mMoveFile(filePath.get(), destPath.get()); if (!backup.IsEmpty()) { if (copyOK) { // remove the backup copy. nsWinAPIs::mRemove(backup.get()); } else { // restore backup int backupOk = nsWinAPIs::mMoveFile(backup.get(), destPath.get()); NS_ASSERTION(backupOk, "move backup failed"); } } } if (!copyOK) // CopyFile and MoveFile returns non-zero if succeeds (backward if you ask me). rv = ConvertWinError(GetLastError()); return rv; } nsresult nsLocalFile::CopyMove(nsIFile *aParentDir, const nsAString &newName, PRBool followSymlinks, PRBool move) { nsCOMPtr 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| parameter. nsresult rv = ResolveAndStat(); if (NS_FAILED(rv)) return rv; if (!newParentDir) { // no parent was specified. We must rename. if (newName.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. PRBool 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 { PRBool isDir; newParentDir->IsDirectory(&isDir); if (isDir == PR_FALSE) { if (followSymlinks) { PRBool isLink; newParentDir->IsSymlink(&isLink); if (isLink) { nsAutoString target; newParentDir->GetTarget(target); nsCOMPtr realDest = new nsLocalFile(); if (realDest == nsnull) return NS_ERROR_OUT_OF_MEMORY; rv = realDest->InitWithPath(target); if (NS_FAILED(rv)) return rv; return CopyMove(realDest, newName, followSymlinks, move); } } else { return NS_ERROR_FILE_DESTINATION_NOT_DIR; } } } // Try different ways to move/copy files/directories PRBool done = PR_FALSE; PRBool isDir; IsDirectory(&isDir); PRBool 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 rv = CopySingleFile(this, newParentDir, newName, followSymlinks, move); 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 target; rv = newParentDir->Clone(getter_AddRefs(target)); if (NS_FAILED(rv)) return rv; nsAutoString allocatedNewName; if (newName.IsEmpty()) { PRBool isLink; IsSymlink(&isLink); if (isLink) { nsAutoString temp; GetTarget(temp); PRInt32 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 = newName; } 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 PRBool isWritable; target->IsWritable(&isWritable); if (!isWritable) return NS_ERROR_FILE_ACCESS_DENIED; nsCOMPtr targetIterator; rv = target->GetDirectoryEntries(getter_AddRefs(targetIterator)); PRBool more; targetIterator->HasMoreElements(&more); // return error if target directory is not empty if (more) return NS_ERROR_FILE_DIR_NOT_EMPTY; } nsDirEnumerator dirEnum; rv = dirEnum.Init(this); if (NS_FAILED(rv)) { NS_WARNING("dirEnum initialization failed"); return rv; } PRBool more; while (NS_SUCCEEDED(dirEnum.HasMoreElements(&more)) && more) { nsCOMPtr item; nsCOMPtr file; dirEnum.GetNext(getter_AddRefs(item)); file = do_QueryInterface(item); if (file) { PRBool isDir, isLink; file->IsDirectory(&isDir); file->IsSymlink(&isLink); if (move) { if (followSymlinks) return NS_ERROR_FAILURE; rv = file->MoveTo(target, EmptyString()); NS_ENSURE_SUCCESS(rv,rv); } else { if (followSymlinks) rv = file->CopyToFollowingLinks(target, EmptyString()); else rv = file->CopyTo(target, EmptyString()); NS_ENSURE_SUCCESS(rv,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(PR_FALSE /* recursive */); NS_ENSURE_SUCCESS(rv,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 (newName.IsEmpty()) { nsAutoString aFileName; GetLeafName(aFileName); InitWithPath(newParentPath); Append(aFileName); } else { InitWithPath(newParentPath); Append(newName); } } return NS_OK; } NS_IMETHODIMP nsLocalFile::CopyTo(nsIFile *newParentDir, const nsAString &newName) { return CopyMove(newParentDir, newName, PR_FALSE, PR_FALSE); } NS_IMETHODIMP nsLocalFile::CopyToFollowingLinks(nsIFile *newParentDir, const nsAString &newName) { return CopyMove(newParentDir, newName, PR_TRUE, PR_FALSE); } NS_IMETHODIMP nsLocalFile::MoveTo(nsIFile *newParentDir, const nsAString &newName) { return CopyMove(newParentDir, newName, PR_FALSE, PR_TRUE); } NS_IMETHODIMP nsLocalFile::Load(PRLibrary * *_retval) { PRBool isFile; nsresult rv = IsFile(&isFile); if (NS_FAILED(rv)) return rv; if (! isFile) return NS_ERROR_FILE_IS_DIRECTORY; NS_TIMELINE_START_TIMER("PR_LoadLibraryWithFlags"); PRLibSpec libSpec; libSpec.value.pathname_u = mResolvedPath.get(); libSpec.type = PR_LibSpec_PathnameU; *_retval = PR_LoadLibraryWithFlags(libSpec, 0); NS_TIMELINE_STOP_TIMER("PR_LoadLibraryWithFlags"); NS_TIMELINE_MARK_TIMER1("PR_LoadLibraryWithFlags", NS_ConvertUTF16toUTF8(mResolvedPath).get()); if (*_retval) return NS_OK; return NS_ERROR_NULL_POINTER; } NS_IMETHODIMP nsLocalFile::Remove(PRBool recursive) { // 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. PRBool isDir, isLink; nsresult rv; isDir = PR_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 (recursive) { nsDirEnumerator dirEnum; rv = dirEnum.Init(this); if (NS_FAILED(rv)) return rv; PRBool more; while (NS_SUCCEEDED(dirEnum.HasMoreElements(&more)) && more) { nsCOMPtr item; dirEnum.GetNext(getter_AddRefs(item)); nsCOMPtr file = do_QueryInterface(item); if (file) file->Remove(recursive); } } rv = nsWinAPIs::mRmdir(mWorkingPath.get()); } else { rv = nsWinAPIs::mRemove(mWorkingPath.get()); } // fixup error code if necessary... if (rv == (nsresult)-1) rv = NSRESULT_FOR_ERRNO(); MakeDirty(); return rv; } NS_IMETHODIMP nsLocalFile::GetLastModifiedTime(PRInt64 *aLastModifiedTime) { NS_ENSURE_ARG(aLastModifiedTime); // get the modified time of the target as determined by mFollowSymlinks // If PR_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 PRInt64 usecPerMsec; LL_I2L(usecPerMsec, PR_USEC_PER_MSEC); LL_DIV(*aLastModifiedTime, mFileInfo64.modifyTime, usecPerMsec); return NS_OK; } NS_IMETHODIMP nsLocalFile::GetLastModifiedTimeOfLink(PRInt64 *aLastModifiedTime) { NS_ENSURE_ARG(aLastModifiedTime); // 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 PRInt64 usecPerMsec; LL_I2L(usecPerMsec, PR_USEC_PER_MSEC); LL_DIV(*aLastModifiedTime, info.modifyTime, usecPerMsec); return NS_OK; } NS_IMETHODIMP nsLocalFile::SetLastModifiedTime(PRInt64 aLastModifiedTime) { nsresult rv = ResolveAndStat(); if (NS_FAILED(rv)) return rv; // set the modified time of the target as determined by mFollowSymlinks // If PR_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(PRInt64 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(PRInt64 aLastModifiedTime, const PRUnichar *filePath) { HANDLE file = nsWinAPIs::mCreateFile(filePath, // pointer to name of the file GENERIC_WRITE, // access (write) mode 0, // share mode NULL, // pointer to security attributes OPEN_EXISTING, // how to create 0, // file attributes NULL); if (file == INVALID_HANDLE_VALUE) { return ConvertWinError(GetLastError()); } FILETIME lft, ft; SYSTEMTIME st; PRExplodedTime pret; // PR_ExplodeTime expects usecs... PR_ExplodeTime(aLastModifiedTime * PR_USEC_PER_MSEC, PR_LocalTimeParameters, &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; // is at least one of theese fails... if (!(SystemTimeToFileTime(&st, &lft) != 0 && LocalFileTimeToFileTime(&lft, &ft) != 0 && SetFileTime(file, NULL, &ft, &ft) != 0)) { rv = ConvertWinError(GetLastError()); } CloseHandle(file); return rv; } NS_IMETHODIMP nsLocalFile::GetPermissions(PRUint32 *aPermissions) { NS_ENSURE_ARG(aPermissions); // get the permissions of the target as determined by mFollowSymlinks // If PR_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; PRBool 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(PRUint32 *aPermissions) { NS_ENSURE_ARG(aPermissions); // 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 = nsWinAPIs::mGetFileAttributes(mWorkingPath.get()); if (word == INVALID_FILE_ATTRIBUTES) return NS_ERROR_FILE_INVALID_PATH; PRBool 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(PRUint32 aPermissions) { // set the permissions of the target as determined by mFollowSymlinks // If PR_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 (nsWinAPIs::mChmod(mResolvedPath.get(), mode) == -1) return NS_ERROR_FAILURE; return NS_OK; } NS_IMETHODIMP nsLocalFile::SetPermissionsOfLink(PRUint32 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 (nsWinAPIs::mChmod(mWorkingPath.get(), mode) == -1) return NS_ERROR_FAILURE; return NS_OK; } NS_IMETHODIMP nsLocalFile::GetFileSize(PRInt64 *aFileSize) { NS_ENSURE_ARG(aFileSize); nsresult rv = ResolveAndStat(); if (NS_FAILED(rv)) return rv; *aFileSize = mFileInfo64.size; return NS_OK; } NS_IMETHODIMP nsLocalFile::GetFileSizeOfLink(PRInt64 *aFileSize) { NS_ENSURE_ARG(aFileSize); // 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(PRInt64 aFileSize) { nsresult rv = ResolveAndStat(); if (NS_FAILED(rv)) return rv; HANDLE hFile = nsWinAPIs::mCreateFile(mResolvedPath.get(), // pointer to name of the file GENERIC_WRITE, // access (write) mode FILE_SHARE_READ, // share mode NULL, // pointer to security attributes OPEN_EXISTING, // how to create FILE_ATTRIBUTE_NORMAL, // file attributes NULL); 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(PRInt64 *aDiskSpaceAvailable) { #ifndef WINCE NS_ENSURE_ARG(aDiskSpaceAvailable); ResolveAndStat(); ULARGE_INTEGER liFreeBytesAvailableToCaller, liTotalNumberOfBytes; if (nsWinAPIs::mGetDiskFreeSpaceEx && nsWinAPIs::mGetDiskFreeSpaceEx(mResolvedPath.get(), &liFreeBytesAvailableToCaller, &liTotalNumberOfBytes, NULL)) { *aDiskSpaceAvailable = liFreeBytesAvailableToCaller.QuadPart; return NS_OK; } // use the old method of getting available disk space WCHAR aDrive[_MAX_DRIVE + 2]; _wsplitpath( mResolvedPath.get(), aDrive, NULL, NULL, NULL); wcscat(aDrive, L"\\"); DWORD dwSecPerClus, dwBytesPerSec, dwFreeClus, dwTotalClus; if (nsWinAPIs::mGetDiskFreeSpace(aDrive, &dwSecPerClus, &dwBytesPerSec, &dwFreeClus, &dwTotalClus)) { __int64 bytes = dwFreeClus; bytes *= dwSecPerClus; bytes *= dwBytesPerSec; *aDiskSpaceAvailable = bytes; return NS_OK; } #endif // WINCE FIX *aDiskSpaceAvailable = 0; return NS_OK; } NS_IMETHODIMP nsLocalFile::GetParent(nsIFile * *aParent) { NS_ENSURE_ARG_POINTER(aParent); nsAutoString parentPath(mWorkingPath); PRInt32 offset = parentPath.RFindChar(PRUnichar('\\')); // 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; if (offset == 1 && parentPath[0] == L'\\') { *aParent = nsnull; return NS_OK; } if (offset > 0) parentPath.Truncate(offset); else parentPath.AssignLiteral("\\\\."); nsCOMPtr localFile; nsresult rv = NS_NewLocalFile(parentPath, mFollowSymlinks, getter_AddRefs(localFile)); if(NS_SUCCEEDED(rv) && localFile) { return CallQueryInterface(localFile, aParent); } return rv; } NS_IMETHODIMP nsLocalFile::Exists(PRBool *_retval) { NS_ENSURE_ARG(_retval); *_retval = PR_FALSE; MakeDirty(); nsresult rv = ResolveAndStat(); *_retval = NS_SUCCEEDED(rv); return NS_OK; } NS_IMETHODIMP nsLocalFile::IsWritable(PRBool *aIsWritable) { //TODO: extend to support NTFS file permissions // 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 (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 (NS_FAILED(rv)) return rv; *aIsWritable = !*aIsWritable; return NS_OK; } NS_IMETHODIMP nsLocalFile::IsReadable(PRBool *_retval) { NS_ENSURE_ARG(_retval); *_retval = PR_FALSE; nsresult rv = ResolveAndStat(); if (NS_FAILED(rv)) return rv; *_retval = PR_TRUE; return NS_OK; } NS_IMETHODIMP nsLocalFile::IsExecutable(PRBool *_retval) { NS_ENSURE_ARG(_retval); *_retval = PR_FALSE; nsresult rv; // only files can be executables PRBool isFile; rv = IsFile(&isFile); if (NS_FAILED(rv)) return rv; if (!isFile) return NS_OK; //TODO: shouldn't we be checking mFollowSymlinks here? PRBool symLink; rv = IsSymlink(&symLink); if (NS_FAILED(rv)) return rv; nsAutoString path; if (symLink) GetTarget(path); else GetPath(path); // kill trailing dots and spaces. PRInt32 filePathLen = path.Length() - 1; while(filePathLen > 0 && (path[filePathLen] == L' ' || path[filePathLen] == L'.')) { path.Truncate(filePathLen--); } // Get extension. PRInt32 dotIdx = path.RFindChar(PRUnichar('.')); if ( dotIdx != kNotFound ) { // Convert extension to lower case. PRUnichar *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. const char * const executableExts[] = { "ad", "ade", // access project extension "adp", "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", "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", 0 }; for ( int i = 0; executableExts[i]; i++ ) { if ( Substring(path, dotIdx + 1).EqualsASCII(executableExts[i])) { // Found a match. Set result and quit. *_retval = PR_TRUE; break; } } } return NS_OK; } NS_IMETHODIMP nsLocalFile::IsDirectory(PRBool *_retval) { NS_ENSURE_ARG(_retval); nsresult rv = ResolveAndStat(); if (NS_FAILED(rv)) return rv; *_retval = (mFileInfo64.type == PR_FILE_DIRECTORY); return NS_OK; } NS_IMETHODIMP nsLocalFile::IsFile(PRBool *_retval) { NS_ENSURE_ARG(_retval); nsresult rv = ResolveAndStat(); if (NS_FAILED(rv)) return rv; *_retval = (mFileInfo64.type == PR_FILE_FILE); return NS_OK; } NS_IMETHODIMP nsLocalFile::IsHidden(PRBool *_retval) { return HasFileAttribute(FILE_ATTRIBUTE_HIDDEN, _retval); } nsresult nsLocalFile::HasFileAttribute(DWORD fileAttrib, PRBool *_retval) { NS_ENSURE_ARG(_retval); nsresult rv = ResolveAndStat(); if (NS_FAILED(rv)) return rv; // get the file attributes for the correct item depending on following symlinks const PRUnichar *filePath = mFollowSymlinks ? mResolvedPath.get() : mWorkingPath.get(); DWORD word = nsWinAPIs::mGetFileAttributes(filePath); *_retval = ((word & fileAttrib) != 0); return NS_OK; } NS_IMETHODIMP nsLocalFile::IsSymlink(PRBool *_retval) { NS_ENSURE_ARG(_retval); // unless it is a valid shortcut path it's not a symlink if (!IsShortcutPath(mWorkingPath)) { *_retval = PR_FALSE; return NS_OK; } // we need to know if this is a file or directory nsresult rv = ResolveAndStat(); if (NS_FAILED(rv)) return rv; // it's only a shortcut if it is a file *_retval = (mFileInfo64.type == PR_FILE_FILE); return NS_OK; } NS_IMETHODIMP nsLocalFile::IsSpecial(PRBool *_retval) { return HasFileAttribute(FILE_ATTRIBUTE_SYSTEM, _retval); } NS_IMETHODIMP nsLocalFile::Equals(nsIFile *inFile, PRBool *_retval) { NS_ENSURE_ARG(inFile); NS_ENSURE_ARG(_retval); nsAutoString inFilePath; inFile->GetPath(inFilePath); // Normalize both paths to the short form, failing back to a string // comparison of the long form. WCHAR thisshort[MAX_PATH]; WCHAR thatshort[MAX_PATH]; DWORD thisr = nsWinAPIs::mGetShortPathName(mWorkingPath.get(), thisshort, sizeof(thisshort)); DWORD thatr = nsWinAPIs::mGetShortPathName(inFilePath.get(), thatshort, sizeof(thatshort)); if (thisr && thatr && thisr < sizeof(thisshort) && thatr < sizeof(thatshort)) { *_retval = (_wcsicmp(thisshort, thatshort) == 0); } else { *_retval = (_wcsicmp(inFilePath.get(), mWorkingPath.get()) == 0); } return NS_OK; } NS_IMETHODIMP nsLocalFile::Contains(nsIFile *inFile, PRBool recur, PRBool *_retval) { *_retval = PR_FALSE; nsAutoString myFilePath; if (NS_FAILED(GetTarget(myFilePath))) GetPath(myFilePath); PRUint32 myFilePathLen = myFilePath.Length(); nsAutoString inFilePath; if (NS_FAILED(inFile->GetTarget(inFilePath))) inFile->GetPath(inFilePath); // make sure that the |inFile|'s path has a trailing separator. if (inFilePath.Length() >= myFilePathLen && inFilePath[myFilePathLen] == L'\\') { // Ok : Win9x if (_wcsnicmp(myFilePath.get(), inFilePath.get(), myFilePathLen) == 0) { *_retval = PR_TRUE; } } return NS_OK; } NS_IMETHODIMP nsLocalFile::GetTarget(nsAString &_retval) { _retval.Truncate(); #if STRICT_FAKE_SYMLINKS PRBool symLink; nsresult rv = IsSymlink(&symLink); if (NS_FAILED(rv)) return rv; if (!symLink) { return NS_ERROR_FILE_INVALID_PATH; } #endif ResolveAndStat(); _retval = mResolvedPath; return NS_OK; } /* attribute PRBool followLinks; */ NS_IMETHODIMP nsLocalFile::GetFollowLinks(PRBool *aFollowLinks) { *aFollowLinks = mFollowSymlinks; return NS_OK; } NS_IMETHODIMP nsLocalFile::SetFollowLinks(PRBool aFollowLinks) { MakeDirty(); mFollowSymlinks = aFollowLinks; return NS_OK; } NS_IMETHODIMP nsLocalFile::GetDirectoryEntries(nsISimpleEnumerator * *entries) { nsresult rv; *entries = nsnull; if (mWorkingPath.EqualsLiteral("\\\\.")) { nsDriveEnumerator *drives = new nsDriveEnumerator; if (!drives) return NS_ERROR_OUT_OF_MEMORY; NS_ADDREF(drives); rv = drives->Init(); if (NS_FAILED(rv)) { NS_RELEASE(drives); return rv; } *entries = drives; return NS_OK; } PRBool isDir; rv = IsDirectory(&isDir); if (NS_FAILED(rv)) return rv; if (!isDir) return NS_ERROR_FILE_NOT_DIRECTORY; nsDirEnumerator* dirEnum = new nsDirEnumerator(); if (dirEnum == nsnull) return NS_ERROR_OUT_OF_MEMORY; NS_ADDREF(dirEnum); rv = dirEnum->Init(this); if (NS_FAILED(rv)) { NS_RELEASE(dirEnum); return rv; } *entries = dirEnum; 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::Reveal() { // make sure mResolvedPath is set nsresult rv = ResolveAndStat(); if (NS_FAILED(rv) && rv != NS_ERROR_FILE_NOT_FOUND) return rv; // use the full path to explorer for security nsCOMPtr winDir; rv = GetSpecialSystemDirectory(Win_WindowsDirectory, getter_AddRefs(winDir)); NS_ENSURE_SUCCESS(rv, rv); nsAutoString explorerPath; rv = winDir->GetPath(explorerPath); NS_ENSURE_SUCCESS(rv, rv); explorerPath.Append(L"\\explorer.exe"); // Always open a new window for files because Win2K doesn't appear to select // the file if a window showing that folder was already open. If the resolved // path is a directory then instead of opening the parent and selecting it, // we open the directory itself. nsAutoString explorerParams; if (mFileInfo64.type != PR_FILE_DIRECTORY) // valid because we ResolveAndStat above explorerParams.Append(L"/n,/select,"); explorerParams.Append(L'\"'); explorerParams.Append(mResolvedPath); explorerParams.Append(L'\"'); if (nsWinAPIs::mShellExecute(NULL, L"open", explorerPath.get(), explorerParams.get(), NULL, SW_SHOWNORMAL) <= (HINSTANCE) 32) return NS_ERROR_FAILURE; return NS_OK; } NS_IMETHODIMP nsLocalFile::Launch() { const nsString &path = mWorkingPath; // use the app registry name to launch a shell execute.... LONG r = (LONG) nsWinAPIs::mShellExecute( NULL, NULL, path.get(), NULL, NULL, SW_SHOWNORMAL); // if the file has no association, we launch windows' "what do you want to do" dialog if (r == SE_ERR_NOASSOC) { nsAutoString shellArg; shellArg.Assign(NS_LITERAL_STRING("shell32.dll,OpenAs_RunDLL ") + path); r = (LONG) nsWinAPIs::mShellExecute(NULL, NULL, L"RUNDLL32.EXE", shellArg.get(), NULL, SW_SHOWNORMAL); } 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 &path, PRBool followLinks, nsILocalFile* *result) { nsLocalFile* file = new nsLocalFile(); if (file == nsnull) return NS_ERROR_OUT_OF_MEMORY; NS_ADDREF(file); file->SetFollowLinks(followLinks); if (!path.IsEmpty()) { nsresult rv = file->InitWithPath(path); if (NS_FAILED(rv)) { NS_RELEASE(file); return rv; } } *result = file; return NS_OK; } //----------------------------------------------------------------------------- // Native (lossy) interface //----------------------------------------------------------------------------- NS_IMETHODIMP nsLocalFile::InitWithNativePath(const nsACString &filePath) { nsAutoString tmp; nsresult rv = NS_CopyNativeToUnicode(filePath, tmp); if (NS_SUCCEEDED(rv)) return InitWithPath(tmp); return rv; } NS_IMETHODIMP nsLocalFile::AppendNative(const nsACString &node) { nsAutoString tmp; nsresult rv = NS_CopyNativeToUnicode(node, tmp); if (NS_SUCCEEDED(rv)) return Append(tmp); return rv; } NS_IMETHODIMP nsLocalFile::AppendRelativeNativePath(const nsACString &node) { nsAutoString tmp; nsresult rv = NS_CopyNativeToUnicode(node, 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 &_retval) { //NS_WARNING("This API is lossy. Use GetPath !"); nsAutoString tmp; nsresult rv = GetPath(tmp); if (NS_SUCCEEDED(rv)) rv = NS_CopyUnicodeToNative(tmp, _retval); return rv; } NS_IMETHODIMP nsLocalFile::CopyToNative(nsIFile *newParentDir, const nsACString &newName) { if (newName.IsEmpty()) return CopyTo(newParentDir, EmptyString()); nsAutoString tmp; nsresult rv = NS_CopyNativeToUnicode(newName, tmp); if (NS_SUCCEEDED(rv)) return CopyTo(newParentDir, tmp); return rv; } NS_IMETHODIMP nsLocalFile::CopyToFollowingLinksNative(nsIFile *newParentDir, const nsACString &newName) { if (newName.IsEmpty()) return CopyToFollowingLinks(newParentDir, EmptyString()); nsAutoString tmp; nsresult rv = NS_CopyNativeToUnicode(newName, tmp); if (NS_SUCCEEDED(rv)) return CopyToFollowingLinks(newParentDir, tmp); return rv; } NS_IMETHODIMP nsLocalFile::MoveToNative(nsIFile *newParentDir, const nsACString &newName) { if (newName.IsEmpty()) return MoveTo(newParentDir, EmptyString()); nsAutoString tmp; nsresult rv = NS_CopyNativeToUnicode(newName, tmp); if (NS_SUCCEEDED(rv)) return MoveTo(newParentDir, tmp); return rv; } NS_IMETHODIMP nsLocalFile::GetNativeTarget(nsACString &_retval) { NS_WARNING("This API is lossy. Use GetTarget !"); nsAutoString tmp; nsresult rv = GetTarget(tmp); if (NS_SUCCEEDED(rv)) rv = NS_CopyUnicodeToNative(tmp, _retval); return rv; } nsresult NS_NewNativeLocalFile(const nsACString &path, PRBool followLinks, nsILocalFile* *result) { nsAutoString buf; nsresult rv = NS_CopyNativeToUnicode(path, buf); if (NS_FAILED(rv)) { *result = nsnull; return rv; } return NS_NewLocalFile(buf, followLinks, result); } //----------------------------------------------------------------------------- // nsLocalFile //----------------------------------------------------------------------------- void nsLocalFile::GlobalInit() { #ifndef WINCE nsresult rv = NS_CreateShortcutResolver(); NS_ASSERTION(NS_SUCCEEDED(rv), "Shortcut resolver could not be created"); #endif } void nsLocalFile::GlobalShutdown() { #ifndef WINCE NS_DestroyShortcutResolver(); #endif } NS_IMPL_ISUPPORTS1(nsDriveEnumerator, nsISimpleEnumerator) nsDriveEnumerator::nsDriveEnumerator() : mLetter(0) { } nsDriveEnumerator::~nsDriveEnumerator() { } nsresult nsDriveEnumerator::Init() { #ifdef WINCE return NS_OK; #else /* 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 = GetLogicalDriveStrings(0, 0); /* The string is null terminated */ if (!EnsureStringLength(mDrives, length+1)) return NS_ERROR_OUT_OF_MEMORY; if (!GetLogicalDriveStrings(length, mDrives.BeginWriting())) return NS_ERROR_FAILURE; mLetter = mDrives.get(); return NS_OK; #endif } NS_IMETHODIMP nsDriveEnumerator::HasMoreElements(PRBool *aHasMore) { #ifdef WINCE *aHasMore = FALSE; #else *aHasMore = *mLetter != '\0'; #endif return NS_OK; } NS_IMETHODIMP nsDriveEnumerator::GetNext(nsISupports **aNext) { #ifdef WINCE nsILocalFile *file; nsresult rv = NS_NewLocalFile(NS_LITERAL_STRING("\\"), PR_FALSE, &file); *aNext = file; #else /* GetLogicalDrives stored in mLetter is a concatenation * of null terminated strings, followed by a null terminator. */ if (!*mLetter) { *aNext = nsnull; return NS_OK; } NS_ConvertASCIItoUTF16 drive(mLetter); mLetter += drive.Length() + 1; nsILocalFile *file; nsresult rv = NS_NewLocalFile(drive, PR_FALSE, &file); *aNext = file; #endif return rv; }