mozilla
/
gecko-dev
зеркало из https://github.com/mozilla/gecko-dev.git
1
0
Форкнуть 0
Код Задачи Пакеты Проекты Релизы Вики Активность
gecko-dev/xpcom/io/nsLocalFileUnix.cpp

2731 строка
63 KiB
C++
Исходник Ответственный История

/* -*- 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/. */
/**
* Implementation of nsIFile for "unixy" systems.
*/
#include "mozilla/ArrayUtils.h"
#include "mozilla/Attributes.h"
#include <sys/types.h>
#include <sys/stat.h>
#include <unistd.h>
#include <fcntl.h>
#include <errno.h>
#include <utime.h>
#include <dirent.h>
#include <ctype.h>
#include <locale.h>
#if defined(VMS)
#include <fabdef.h>
#endif
#if defined(HAVE_SYS_QUOTA_H) && defined(HAVE_LINUX_QUOTA_H)
#define USE_LINUX_QUOTACTL
#include <sys/mount.h>
#include <sys/quota.h>
#endif
#include "xpcom-private.h"
#include "nsDirectoryServiceDefs.h"
#include "nsCRT.h"
#include "nsCOMPtr.h"
#include "nsMemory.h"
#include "nsIFile.h"
#include "nsString.h"
#include "nsReadableUtils.h"
#include "nsLocalFile.h"
#include "nsIComponentManager.h"
#include "nsXPIDLString.h"
#include "prproces.h"
#include "nsIDirectoryEnumerator.h"
#include "nsISimpleEnumerator.h"
#include "private/pprio.h"
#include "prlink.h"
#ifdef MOZ_WIDGET_GTK
#include "nsIGIOService.h"
#endif
#ifdef MOZ_WIDGET_COCOA
#include <Carbon/Carbon.h>
#include "CocoaFileUtils.h"
#include "prmem.h"
#include "plbase64.h"
static nsresult MacErrorMapper(OSErr inErr);
#endif
#ifdef MOZ_WIDGET_ANDROID
#include "AndroidBridge.h"
#include "nsIMIMEService.h"
#include <linux/magic.h>
#endif
#ifdef MOZ_ENABLE_CONTENTACTION
#include <contentaction/contentaction.h>
#endif
#include "nsNativeCharsetUtils.h"
#include "nsTraceRefcnt.h"
#include "nsHashKeys.h"
using namespace mozilla;
#define ENSURE_STAT_CACHE() \
PR_BEGIN_MACRO \
if (!FillStatCache()) \
return NSRESULT_FOR_ERRNO(); \
PR_END_MACRO
#define CHECK_mPath() \
PR_BEGIN_MACRO \
if (mPath.IsEmpty()) \
return NS_ERROR_NOT_INITIALIZED; \
PR_END_MACRO
/* directory enumerator */
class nsDirEnumeratorUnix final
: public nsISimpleEnumerator
, public nsIDirectoryEnumerator
{
public:
nsDirEnumeratorUnix();
// nsISupports interface
NS_DECL_ISUPPORTS
// nsISimpleEnumerator interface
NS_DECL_NSISIMPLEENUMERATOR
// nsIDirectoryEnumerator interface
NS_DECL_NSIDIRECTORYENUMERATOR
NS_IMETHOD Init(nsLocalFile* aParent, bool aIgnored);
private:
~nsDirEnumeratorUnix();
protected:
NS_IMETHOD GetNextEntry();
DIR* mDir;
struct dirent* mEntry;
nsCString mParentPath;
};
nsDirEnumeratorUnix::nsDirEnumeratorUnix() :
mDir(nullptr),
mEntry(nullptr)
{
}
nsDirEnumeratorUnix::~nsDirEnumeratorUnix()
{
Close();
}
NS_IMPL_ISUPPORTS(nsDirEnumeratorUnix, nsISimpleEnumerator,
nsIDirectoryEnumerator)
NS_IMETHODIMP
nsDirEnumeratorUnix::Init(nsLocalFile* aParent,
bool aResolveSymlinks /*ignored*/)
{
nsAutoCString dirPath;
if (NS_FAILED(aParent->GetNativePath(dirPath)) ||
dirPath.IsEmpty()) {
return NS_ERROR_FILE_INVALID_PATH;
}
if (NS_FAILED(aParent->GetNativePath(mParentPath))) {
return NS_ERROR_FAILURE;
}
mDir = opendir(dirPath.get());
if (!mDir) {
return NSRESULT_FOR_ERRNO();
}
return GetNextEntry();
}
NS_IMETHODIMP
nsDirEnumeratorUnix::HasMoreElements(bool* aResult)
{
*aResult = mDir && mEntry;
if (!*aResult) {
Close();
}
return NS_OK;
}
NS_IMETHODIMP
nsDirEnumeratorUnix::GetNext(nsISupports** aResult)
{
nsCOMPtr<nsIFile> file;
nsresult rv = GetNextFile(getter_AddRefs(file));
if (NS_FAILED(rv)) {
return rv;
}
NS_IF_ADDREF(*aResult = file);
return NS_OK;
}
NS_IMETHODIMP
nsDirEnumeratorUnix::GetNextEntry()
{
do {
errno = 0;
mEntry = readdir(mDir);
// end of dir or error
if (!mEntry) {
return NSRESULT_FOR_ERRNO();
}
// keep going past "." and ".."
} while (mEntry->d_name[0] == '.' &&
(mEntry->d_name[1] == '\0' || // .\0
(mEntry->d_name[1] == '.' &&
mEntry->d_name[2] == '\0'))); // ..\0
return NS_OK;
}
NS_IMETHODIMP
nsDirEnumeratorUnix::GetNextFile(nsIFile** aResult)
{
nsresult rv;
if (!mDir || !mEntry) {
*aResult = nullptr;
return NS_OK;
}
nsCOMPtr<nsIFile> file = new nsLocalFile();
if (NS_FAILED(rv = file->InitWithNativePath(mParentPath)) ||
NS_FAILED(rv = file->AppendNative(nsDependentCString(mEntry->d_name)))) {
return rv;
}
file.forget(aResult);
return GetNextEntry();
}
NS_IMETHODIMP
nsDirEnumeratorUnix::Close()
{
if (mDir) {
closedir(mDir);
mDir = nullptr;
}
return NS_OK;
}
nsLocalFile::nsLocalFile()
{
}
nsLocalFile::nsLocalFile(const nsLocalFile& aOther)
: mPath(aOther.mPath)
{
}
#ifdef MOZ_WIDGET_COCOA
NS_IMPL_ISUPPORTS(nsLocalFile,
nsILocalFileMac,
nsILocalFile,
nsIFile,
nsIHashable)
#else
NS_IMPL_ISUPPORTS(nsLocalFile,
nsILocalFile,
nsIFile,
nsIHashable)
#endif
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;
}
*aInstancePtr = nullptr;
nsCOMPtr<nsIFile> inst = new nsLocalFile();
return inst->QueryInterface(aIID, aInstancePtr);
}
bool
nsLocalFile::FillStatCache()
{
if (STAT(mPath.get(), &mCachedStat) == -1) {
// try lstat it may be a symlink
if (LSTAT(mPath.get(), &mCachedStat) == -1) {
return false;
}
}
return true;
}
NS_IMETHODIMP
nsLocalFile::Clone(nsIFile** aFile)
{
// Just copy-construct ourselves
nsRefPtr<nsLocalFile> copy = new nsLocalFile(*this);
copy.forget(aFile);
return NS_OK;
}
NS_IMETHODIMP
nsLocalFile::InitWithNativePath(const nsACString& aFilePath)
{
if (aFilePath.EqualsLiteral("~") ||
Substring(aFilePath, 0, 2).EqualsLiteral("~/")) {
nsCOMPtr<nsIFile> homeDir;
nsAutoCString homePath;
if (NS_FAILED(NS_GetSpecialDirectory(NS_OS_HOME_DIR,
getter_AddRefs(homeDir))) ||
NS_FAILED(homeDir->GetNativePath(homePath))) {
return NS_ERROR_FAILURE;
}
mPath = homePath;
if (aFilePath.Length() > 2) {
mPath.Append(Substring(aFilePath, 1, aFilePath.Length() - 1));
}
} else {
if (aFilePath.IsEmpty() || aFilePath.First() != '/') {
return NS_ERROR_FILE_UNRECOGNIZED_PATH;
}
mPath = aFilePath;
}
// trim off trailing slashes
ssize_t len = mPath.Length();
while ((len > 1) && (mPath[len - 1] == '/')) {
--len;
}
mPath.SetLength(len);
return NS_OK;
}
NS_IMETHODIMP
nsLocalFile::CreateAllAncestors(uint32_t aPermissions)
{
// <jband> I promise to play nice
char* buffer = mPath.BeginWriting();
char* slashp = buffer;
#ifdef DEBUG_NSIFILE
fprintf(stderr, "nsIFile: before: %s\n", buffer);
#endif
while ((slashp = strchr(slashp + 1, '/'))) {
/*
* Sequences of '/' are equivalent to a single '/'.
*/
if (slashp[1] == '/') {
continue;
}
/*
* If the path has a trailing slash, don't make the last component,
* because we'll get EEXIST in Create when we try to build the final
* component again, and it's easier to condition the logic here than
* there.
*/
if (slashp[1] == '\0') {
break;
}
/* Temporarily NUL-terminate here */
*slashp = '\0';
#ifdef DEBUG_NSIFILE
fprintf(stderr, "nsIFile: mkdir(\"%s\")\n", buffer);
#endif
int mkdir_result = mkdir(buffer, aPermissions);
int mkdir_errno = errno;
if (mkdir_result == -1) {
/*
* Always set |errno| to EEXIST if the dir already exists
* (we have to do this here since the errno value is not consistent
* in all cases - various reasons like different platform,
* automounter-controlled dir, etc. can affect it (see bug 125489
* for details)).
*/
if (access(buffer, F_OK) == 0) {
mkdir_errno = EEXIST;
}
}
/* Put the / back before we (maybe) return */
*slashp = '/';
/*
* We could get EEXIST for an existing file -- not directory --
* with the name of one of our ancestors, but that's OK: we'll get
* ENOTDIR when we try to make the next component in the path,
* either here on back in Create, and error out appropriately.
*/
if (mkdir_result == -1 && mkdir_errno != EEXIST) {
return nsresultForErrno(mkdir_errno);
}
}
#ifdef DEBUG_NSIFILE
fprintf(stderr, "nsIFile: after: %s\n", buffer);
#endif
return NS_OK;
}
NS_IMETHODIMP
nsLocalFile::OpenNSPRFileDesc(int32_t aFlags, int32_t aMode,
PRFileDesc** aResult)
{
*aResult = PR_Open(mPath.get(), aFlags, aMode);
if (!*aResult) {
return NS_ErrorAccordingToNSPR();
}
if (aFlags & DELETE_ON_CLOSE) {
PR_Delete(mPath.get());
}
#if defined(HAVE_POSIX_FADVISE)
if (aFlags & OS_READAHEAD) {
posix_fadvise(PR_FileDesc2NativeHandle(*aResult), 0, 0,
POSIX_FADV_SEQUENTIAL);
}
#endif
return NS_OK;
}
NS_IMETHODIMP
nsLocalFile::OpenANSIFileDesc(const char* aMode, FILE** aResult)
{
*aResult = fopen(mPath.get(), aMode);
if (!*aResult) {
return NS_ERROR_FAILURE;
}
return NS_OK;
}
static int
do_create(const char* aPath, int aFlags, mode_t aMode, PRFileDesc** aResult)
{
*aResult = PR_Open(aPath, aFlags, aMode);
return *aResult ? 0 : -1;
}
static int
do_mkdir(const char* aPath, int aFlags, mode_t aMode, PRFileDesc** aResult)
{
*aResult = nullptr;
return mkdir(aPath, aMode);
}
nsresult
nsLocalFile::CreateAndKeepOpen(uint32_t aType, int aFlags,
uint32_t aPermissions, PRFileDesc** aResult)
{
if (aType != NORMAL_FILE_TYPE && aType != DIRECTORY_TYPE) {
return NS_ERROR_FILE_UNKNOWN_TYPE;
}
int (*createFunc)(const char*, int, mode_t, PRFileDesc**) =
(aType == NORMAL_FILE_TYPE) ? do_create : do_mkdir;
int result = createFunc(mPath.get(), aFlags, aPermissions, aResult);
if (result == -1 && errno == ENOENT) {
/*
* If we failed because of missing ancestor components, try to create
* them and then retry the original creation.
*
* Ancestor directories get the same permissions as the file we're
* creating, with the X bit set for each of (user,group,other) with
* an R bit in the original permissions. If you want to do anything
* fancy like setgid or sticky bits, do it by hand.
*/
int dirperm = aPermissions;
if (aPermissions & S_IRUSR) {
dirperm |= S_IXUSR;
}
if (aPermissions & S_IRGRP) {
dirperm |= S_IXGRP;
}
if (aPermissions & S_IROTH) {
dirperm |= S_IXOTH;
}
#ifdef DEBUG_NSIFILE
fprintf(stderr, "nsIFile: perm = %o, dirperm = %o\n", aPermissions,
dirperm);
#endif
if (NS_FAILED(CreateAllAncestors(dirperm))) {
return NS_ERROR_FAILURE;
}
#ifdef DEBUG_NSIFILE
fprintf(stderr, "nsIFile: Create(\"%s\") again\n", mPath.get());
#endif
result = createFunc(mPath.get(), aFlags, aPermissions, aResult);
}
return NSRESULT_FOR_RETURN(result);
}
NS_IMETHODIMP
nsLocalFile::Create(uint32_t aType, uint32_t aPermissions)
{
PRFileDesc* junk = nullptr;
nsresult rv = CreateAndKeepOpen(aType,
PR_WRONLY | PR_CREATE_FILE | PR_TRUNCATE |
PR_EXCL,
aPermissions,
&junk);
if (junk) {
PR_Close(junk);
}
return rv;
}
NS_IMETHODIMP
nsLocalFile::AppendNative(const nsACString& aFragment)
{
if (aFragment.IsEmpty()) {
return NS_OK;
}
// only one component of path can be appended
nsACString::const_iterator begin, end;
if (FindCharInReadable('/', aFragment.BeginReading(begin),
aFragment.EndReading(end))) {
return NS_ERROR_FILE_UNRECOGNIZED_PATH;
}
return AppendRelativeNativePath(aFragment);
}
NS_IMETHODIMP
nsLocalFile::AppendRelativeNativePath(const nsACString& aFragment)
{
if (aFragment.IsEmpty()) {
return NS_OK;
}
// No leading '/'
if (aFragment.First() == '/') {
return NS_ERROR_FILE_UNRECOGNIZED_PATH;
}
if (!mPath.EqualsLiteral("/")) {
mPath.Append('/');
}
mPath.Append(aFragment);
return NS_OK;
}
NS_IMETHODIMP
nsLocalFile::Normalize()
{
char resolved_path[PATH_MAX] = "";
char* resolved_path_ptr = nullptr;
resolved_path_ptr = realpath(mPath.get(), resolved_path);
// if there is an error, the return is null.
if (!resolved_path_ptr) {
return NSRESULT_FOR_ERRNO();
}
mPath = resolved_path;
return NS_OK;
}
void
nsLocalFile::LocateNativeLeafName(nsACString::const_iterator& aBegin,
nsACString::const_iterator& aEnd)
{
// XXX perhaps we should cache this??
mPath.BeginReading(aBegin);
mPath.EndReading(aEnd);
nsACString::const_iterator it = aEnd;
nsACString::const_iterator stop = aBegin;
--stop;
while (--it != stop) {
if (*it == '/') {
aBegin = ++it;
return;
}
}
// else, the entire path is the leaf name (which means this
// isn't an absolute path... unexpected??)
}
NS_IMETHODIMP
nsLocalFile::GetNativeLeafName(nsACString& aLeafName)
{
nsACString::const_iterator begin, end;
LocateNativeLeafName(begin, end);
aLeafName = Substring(begin, end);
return NS_OK;
}
NS_IMETHODIMP
nsLocalFile::SetNativeLeafName(const nsACString& aLeafName)
{
nsACString::const_iterator begin, end;
LocateNativeLeafName(begin, end);
mPath.Replace(begin.get() - mPath.get(), Distance(begin, end), aLeafName);
return NS_OK;
}
NS_IMETHODIMP
nsLocalFile::GetNativePath(nsACString& aResult)
{
aResult = mPath;
return NS_OK;
}
nsresult
nsLocalFile::GetNativeTargetPathName(nsIFile* aNewParent,
const nsACString& aNewName,
nsACString& aResult)
{
nsresult rv;
nsCOMPtr<nsIFile> oldParent;
if (!aNewParent) {
if (NS_FAILED(rv = GetParent(getter_AddRefs(oldParent)))) {
return rv;
}
aNewParent = oldParent.get();
} else {
// check to see if our target directory exists
bool targetExists;
if (NS_FAILED(rv = aNewParent->Exists(&targetExists))) {
return rv;
}
if (!targetExists) {
// XXX create the new directory with some permissions
rv = aNewParent->Create(DIRECTORY_TYPE, 0755);
if (NS_FAILED(rv)) {
return rv;
}
} else {
// make sure that the target is actually a directory
bool targetIsDirectory;
if (NS_FAILED(rv = aNewParent->IsDirectory(&targetIsDirectory))) {
return rv;
}
if (!targetIsDirectory) {
return NS_ERROR_FILE_DESTINATION_NOT_DIR;
}
}
}
nsACString::const_iterator nameBegin, nameEnd;
if (!aNewName.IsEmpty()) {
aNewName.BeginReading(nameBegin);
aNewName.EndReading(nameEnd);
} else {
LocateNativeLeafName(nameBegin, nameEnd);
}
nsAutoCString dirName;
if (NS_FAILED(rv = aNewParent->GetNativePath(dirName))) {
return rv;
}
aResult = dirName + NS_LITERAL_CSTRING("/") + Substring(nameBegin, nameEnd);
return NS_OK;
}
nsresult
nsLocalFile::CopyDirectoryTo(nsIFile* aNewParent)
{
nsresult rv;
/*
* dirCheck is used for various boolean test results such as from Equals,
* Exists, isDir, etc.
*/
bool dirCheck, isSymlink;
uint32_t oldPerms;
if (NS_FAILED(rv = IsDirectory(&dirCheck))) {
return rv;
}
if (!dirCheck) {
return CopyToNative(aNewParent, EmptyCString());
}
if (NS_FAILED(rv = Equals(aNewParent, &dirCheck))) {
return rv;
}
if (dirCheck) {
// can't copy dir to itself
return NS_ERROR_INVALID_ARG;
}
if (NS_FAILED(rv = aNewParent->Exists(&dirCheck))) {
return rv;
}
// get the dirs old permissions
if (NS_FAILED(rv = GetPermissions(&oldPerms))) {
return rv;
}
if (!dirCheck) {
if (NS_FAILED(rv = aNewParent->Create(DIRECTORY_TYPE, oldPerms))) {
return rv;
}
} else { // dir exists lets try to use leaf
nsAutoCString leafName;
if (NS_FAILED(rv = GetNativeLeafName(leafName))) {
return rv;
}
if (NS_FAILED(rv = aNewParent->AppendNative(leafName))) {
return rv;
}
if (NS_FAILED(rv = aNewParent->Exists(&dirCheck))) {
return rv;
}
if (dirCheck) {
return NS_ERROR_FILE_ALREADY_EXISTS; // dest exists
}
if (NS_FAILED(rv = aNewParent->Create(DIRECTORY_TYPE, oldPerms))) {
return rv;
}
}
nsCOMPtr<nsISimpleEnumerator> dirIterator;
if (NS_FAILED(rv = GetDirectoryEntries(getter_AddRefs(dirIterator)))) {
return rv;
}
bool hasMore = false;
while (dirIterator->HasMoreElements(&hasMore), hasMore) {
nsCOMPtr<nsISupports> supports;
nsCOMPtr<nsIFile> entry;
rv = dirIterator->GetNext(getter_AddRefs(supports));
entry = do_QueryInterface(supports);
if (NS_FAILED(rv) || !entry) {
continue;
}
if (NS_FAILED(rv = entry->IsSymlink(&isSymlink))) {
return rv;
}
if (NS_FAILED(rv = entry->IsDirectory(&dirCheck))) {
return rv;
}
if (dirCheck && !isSymlink) {
nsCOMPtr<nsIFile> destClone;
rv = aNewParent->Clone(getter_AddRefs(destClone));
if (NS_SUCCEEDED(rv)) {
if (NS_FAILED(rv = entry->CopyToNative(destClone, EmptyCString()))) {
#ifdef DEBUG
nsresult rv2;
nsAutoCString pathName;
if (NS_FAILED(rv2 = entry->GetNativePath(pathName))) {
return rv2;
}
printf("Operation not supported: %s\n", pathName.get());
#endif
if (rv == NS_ERROR_OUT_OF_MEMORY) {
return rv;
}
continue;
}
}
} else {
if (NS_FAILED(rv = entry->CopyToNative(aNewParent, EmptyCString()))) {
#ifdef DEBUG
nsresult rv2;
nsAutoCString pathName;
if (NS_FAILED(rv2 = entry->GetNativePath(pathName))) {
return rv2;
}
printf("Operation not supported: %s\n", pathName.get());
#endif
if (rv == NS_ERROR_OUT_OF_MEMORY) {
return rv;
}
continue;
}
}
}
return NS_OK;
}
NS_IMETHODIMP
nsLocalFile::CopyToNative(nsIFile* aNewParent, const nsACString& aNewName)
{
nsresult rv;
// check to make sure that this has been initialized properly
CHECK_mPath();
// we copy the parent here so 'aNewParent' remains immutable
nsCOMPtr <nsIFile> workParent;
if (aNewParent) {
if (NS_FAILED(rv = aNewParent->Clone(getter_AddRefs(workParent)))) {
return rv;
}
} else {
if (NS_FAILED(rv = GetParent(getter_AddRefs(workParent)))) {
return rv;
}
}
// check to see if we are a directory or if we are a file
bool isDirectory;
if (NS_FAILED(rv = IsDirectory(&isDirectory))) {
return rv;
}
nsAutoCString newPathName;
if (isDirectory) {
if (!aNewName.IsEmpty()) {
if (NS_FAILED(rv = workParent->AppendNative(aNewName))) {
return rv;
}
} else {
if (NS_FAILED(rv = GetNativeLeafName(newPathName))) {
return rv;
}
if (NS_FAILED(rv = workParent->AppendNative(newPathName))) {
return rv;
}
}
if (NS_FAILED(rv = CopyDirectoryTo(workParent))) {
return rv;
}
} else {
rv = GetNativeTargetPathName(workParent, aNewName, newPathName);
if (NS_FAILED(rv)) {
return rv;
}
#ifdef DEBUG_blizzard
printf("nsLocalFile::CopyTo() %s -> %s\n", mPath.get(), newPathName.get());
#endif
// actually create the file.
nsLocalFile* newFile = new nsLocalFile();
nsCOMPtr<nsIFile> fileRef(newFile); // release on exit
rv = newFile->InitWithNativePath(newPathName);
if (NS_FAILED(rv)) {
return rv;
}
// get the old permissions
uint32_t myPerms;
GetPermissions(&myPerms);
// Create the new file with the old file's permissions, even if write
// permission is missing. We can't create with write permission and
// then change back to myPerm on all filesystems (FAT on Linux, e.g.).
// But we can write to a read-only file on all Unix filesystems if we
// open it successfully for writing.
PRFileDesc* newFD;
rv = newFile->CreateAndKeepOpen(NORMAL_FILE_TYPE,
PR_WRONLY | PR_CREATE_FILE | PR_TRUNCATE,
myPerms,
&newFD);
if (NS_FAILED(rv)) {
return rv;
}
// open the old file, too
bool specialFile;
if (NS_FAILED(rv = IsSpecial(&specialFile))) {
PR_Close(newFD);
return rv;
}
if (specialFile) {
#ifdef DEBUG
printf("Operation not supported: %s\n", mPath.get());
#endif
// make sure to clean up properly
PR_Close(newFD);
return NS_OK;
}
PRFileDesc* oldFD;
rv = OpenNSPRFileDesc(PR_RDONLY, myPerms, &oldFD);
if (NS_FAILED(rv)) {
// make sure to clean up properly
PR_Close(newFD);
return rv;
}
#ifdef DEBUG_blizzard
int32_t totalRead = 0;
int32_t totalWritten = 0;
#endif
char buf[BUFSIZ];
int32_t bytesRead;
// record PR_Write() error for better error message later.
nsresult saved_write_error = NS_OK;
nsresult saved_read_error = NS_OK;
nsresult saved_read_close_error = NS_OK;
nsresult saved_write_close_error = NS_OK;
// DONE: Does PR_Read() return bytesRead < 0 for error?
// Yes., The errors from PR_Read are not so common and
// the value may not have correspondence in NS_ERROR_*, but
// we do catch it still, immediately after while() loop.
// We can differentiate errors pf PR_Read and PR_Write by
// looking at saved_write_error value. If PR_Write error occurs (and not
// PR_Read() error), save_write_error is not NS_OK.
while ((bytesRead = PR_Read(oldFD, buf, BUFSIZ)) > 0) {
#ifdef DEBUG_blizzard
totalRead += bytesRead;
#endif
// PR_Write promises never to do a short write
int32_t bytesWritten = PR_Write(newFD, buf, bytesRead);
if (bytesWritten < 0) {
saved_write_error = NSRESULT_FOR_ERRNO();
bytesRead = -1;
break;
}
NS_ASSERTION(bytesWritten == bytesRead, "short PR_Write?");
#ifdef DEBUG_blizzard
totalWritten += bytesWritten;
#endif
}
// TODO/FIXME: If CIFS (and NFS?) may force read/write to return EINTR,
// we are better off to prepare for retrying. But we need confirmation if
// EINTR is returned.
// Record error if PR_Read() failed.
// Must be done before any other I/O which may reset errno.
if (bytesRead < 0 && saved_write_error == NS_OK) {
saved_read_error = NSRESULT_FOR_ERRNO();
}
#ifdef DEBUG_blizzard
printf("read %d bytes, wrote %d bytes\n",
totalRead, totalWritten);
#endif
// DONE: Errors of close can occur. Read man page of
// close(2);
// This is likely to happen if the file system is remote file
// system (NFS, CIFS, etc.) and network outage occurs.
// At least, we should tell the user that filesystem/disk is
// hosed (possibly due to network error, hard disk failure,
// etc.) so that users can take remedial action.
// close the files
if (PR_Close(newFD) < 0) {
saved_write_close_error = NSRESULT_FOR_ERRNO();
#if DEBUG
// This error merits printing.
fprintf(stderr, "ERROR: PR_Close(newFD) returned error. errno = %d\n", errno);
#endif
}
if (PR_Close(oldFD) < 0) {
saved_read_close_error = NSRESULT_FOR_ERRNO();
#if DEBUG
fprintf(stderr, "ERROR: PR_Close(oldFD) returned error. errno = %d\n", errno);
#endif
}
// Let us report the failure to write and read.
// check for write/read error after cleaning up
if (bytesRead < 0) {
if (saved_write_error != NS_OK) {
return saved_write_error;
} else if (saved_read_error != NS_OK) {
return saved_read_error;
}
#if DEBUG
else { // sanity check. Die and debug.
MOZ_ASSERT(0);
}
#endif
}
if (saved_write_close_error != NS_OK) {
return saved_write_close_error;
}
if (saved_read_close_error != NS_OK) {
return saved_read_close_error;
}
}
return rv;
}
NS_IMETHODIMP
nsLocalFile::CopyToFollowingLinksNative(nsIFile* aNewParent,
const nsACString& aNewName)
{
return CopyToNative(aNewParent, aNewName);
}
NS_IMETHODIMP
nsLocalFile::MoveToNative(nsIFile* aNewParent, const nsACString& aNewName)
{
nsresult rv;
// check to make sure that this has been initialized properly
CHECK_mPath();
// check to make sure that we have a new parent
nsAutoCString newPathName;
rv = GetNativeTargetPathName(aNewParent, aNewName, newPathName);
if (NS_FAILED(rv)) {
return rv;
}
// try for atomic rename, falling back to copy/delete
if (rename(mPath.get(), newPathName.get()) < 0) {
#ifdef VMS
if (errno == EXDEV || errno == ENXIO) {
#else
if (errno == EXDEV) {
#endif
rv = CopyToNative(aNewParent, aNewName);
if (NS_SUCCEEDED(rv)) {
rv = Remove(true);
}
} else {
rv = NSRESULT_FOR_ERRNO();
}
}
if (NS_SUCCEEDED(rv)) {
// Adjust this
mPath = newPathName;
}
return rv;
}
NS_IMETHODIMP
nsLocalFile::Remove(bool aRecursive)
{
CHECK_mPath();
ENSURE_STAT_CACHE();
bool isSymLink;
nsresult rv = IsSymlink(&isSymLink);
if (NS_FAILED(rv)) {
return rv;
}
if (isSymLink || !S_ISDIR(mCachedStat.st_mode)) {
return NSRESULT_FOR_RETURN(unlink(mPath.get()));
}
if (aRecursive) {
nsDirEnumeratorUnix* dir = new nsDirEnumeratorUnix();
nsCOMPtr<nsISimpleEnumerator> dirRef(dir); // release on exit
rv = dir->Init(this, false);
if (NS_FAILED(rv)) {
return rv;
}
bool more;
while (dir->HasMoreElements(&more), more) {
nsCOMPtr<nsISupports> item;
rv = dir->GetNext(getter_AddRefs(item));
if (NS_FAILED(rv)) {
return NS_ERROR_FAILURE;
}
nsCOMPtr<nsIFile> file = do_QueryInterface(item, &rv);
if (NS_FAILED(rv)) {
return NS_ERROR_FAILURE;
}
rv = file->Remove(aRecursive);
#ifdef ANDROID
// See bug 580434 - Bionic gives us just deleted files
if (rv == NS_ERROR_FILE_TARGET_DOES_NOT_EXIST) {
continue;
}
#endif
if (NS_FAILED(rv)) {
return rv;
}
}
}
return NSRESULT_FOR_RETURN(rmdir(mPath.get()));
}
NS_IMETHODIMP
nsLocalFile::GetLastModifiedTime(PRTime* aLastModTime)
{
CHECK_mPath();
if (NS_WARN_IF(!aLastModTime)) {
return NS_ERROR_INVALID_ARG;
}
PRFileInfo64 info;
if (PR_GetFileInfo64(mPath.get(), &info) != PR_SUCCESS) {
return NSRESULT_FOR_ERRNO();
}
PRTime modTime = info.modifyTime;
if (modTime == 0) {
*aLastModTime = 0;
} else {
*aLastModTime = modTime / PR_USEC_PER_MSEC;
}
return NS_OK;
}
NS_IMETHODIMP
nsLocalFile::SetLastModifiedTime(PRTime aLastModTime)
{
CHECK_mPath();
int result;
if (aLastModTime != 0) {
ENSURE_STAT_CACHE();
struct utimbuf ut;
ut.actime = mCachedStat.st_atime;
// convert milliseconds to seconds since the unix epoch
ut.modtime = (time_t)(aLastModTime / PR_MSEC_PER_SEC);
result = utime(mPath.get(), &ut);
} else {
result = utime(mPath.get(), nullptr);
}
return NSRESULT_FOR_RETURN(result);
}
NS_IMETHODIMP
nsLocalFile::GetLastModifiedTimeOfLink(PRTime* aLastModTimeOfLink)
{
CHECK_mPath();
if (NS_WARN_IF(!aLastModTimeOfLink)) {
return NS_ERROR_INVALID_ARG;
}
struct STAT sbuf;
if (LSTAT(mPath.get(), &sbuf) == -1) {
return NSRESULT_FOR_ERRNO();
}
*aLastModTimeOfLink = PRTime(sbuf.st_mtime) * PR_MSEC_PER_SEC;
return NS_OK;
}
/*
* utime(2) may or may not dereference symlinks, joy.
*/
NS_IMETHODIMP
nsLocalFile::SetLastModifiedTimeOfLink(PRTime aLastModTimeOfLink)
{
return SetLastModifiedTime(aLastModTimeOfLink);
}
/*
* Only send back permissions bits: maybe we want to send back the whole
* mode_t to permit checks against other file types?
*/
#define NORMALIZE_PERMS(mode) ((mode)& (S_IRWXU | S_IRWXG | S_IRWXO))
NS_IMETHODIMP
nsLocalFile::GetPermissions(uint32_t* aPermissions)
{
if (NS_WARN_IF(!aPermissions)) {
return NS_ERROR_INVALID_ARG;
}
ENSURE_STAT_CACHE();
*aPermissions = NORMALIZE_PERMS(mCachedStat.st_mode);
return NS_OK;
}
NS_IMETHODIMP
nsLocalFile::GetPermissionsOfLink(uint32_t* aPermissionsOfLink)
{
CHECK_mPath();
if (NS_WARN_IF(!aPermissionsOfLink)) {
return NS_ERROR_INVALID_ARG;
}
struct STAT sbuf;
if (LSTAT(mPath.get(), &sbuf) == -1) {
return NSRESULT_FOR_ERRNO();
}
*aPermissionsOfLink = NORMALIZE_PERMS(sbuf.st_mode);
return NS_OK;
}
NS_IMETHODIMP
nsLocalFile::SetPermissions(uint32_t aPermissions)
{
CHECK_mPath();
/*
* Race condition here: we should use fchmod instead, there's no way to
* guarantee the name still refers to the same file.
*/
if (chmod(mPath.get(), aPermissions) >= 0) {
return NS_OK;
}
#if defined(ANDROID) && defined(STATFS)
// For the time being, this is restricted for use by Android, but we
// will figure out what to do for all platforms in bug 638503
struct STATFS sfs;
if (STATFS(mPath.get(), &sfs) < 0) {
return NSRESULT_FOR_ERRNO();
}
// if this is a FAT file system we can't set file permissions
if (sfs.f_type == MSDOS_SUPER_MAGIC) {
return NS_OK;
}
#endif
return NSRESULT_FOR_ERRNO();
}
NS_IMETHODIMP
nsLocalFile::SetPermissionsOfLink(uint32_t aPermissions)
{
// There isn't a consistent mechanism for doing this on UNIX platforms. We
// might want to carefully implement this in the future though.
return NS_ERROR_NOT_IMPLEMENTED;
}
NS_IMETHODIMP
nsLocalFile::GetFileSize(int64_t* aFileSize)
{
if (NS_WARN_IF(!aFileSize)) {
return NS_ERROR_INVALID_ARG;
}
*aFileSize = 0;
ENSURE_STAT_CACHE();
#if defined(VMS)
/* Only two record formats can report correct file content size */
if ((mCachedStat.st_fab_rfm != FAB$C_STMLF) &&
(mCachedStat.st_fab_rfm != FAB$C_STMCR)) {
return NS_ERROR_FAILURE;
}
#endif
if (!S_ISDIR(mCachedStat.st_mode)) {
*aFileSize = (int64_t)mCachedStat.st_size;
}
return NS_OK;
}
NS_IMETHODIMP
nsLocalFile::SetFileSize(int64_t aFileSize)
{
CHECK_mPath();
#if defined(ANDROID)
/* no truncate on bionic */
int fd = open(mPath.get(), O_WRONLY);
if (fd == -1) {
return NSRESULT_FOR_ERRNO();
}
int ret = ftruncate(fd, (off_t)aFileSize);
close(fd);
if (ret == -1) {
return NSRESULT_FOR_ERRNO();
}
#elif defined(HAVE_TRUNCATE64)
if (truncate64(mPath.get(), (off64_t)aFileSize) == -1) {
return NSRESULT_FOR_ERRNO();
}
#else
off_t size = (off_t)aFileSize;
if (truncate(mPath.get(), size) == -1) {
return NSRESULT_FOR_ERRNO();
}
#endif
return NS_OK;
}
NS_IMETHODIMP
nsLocalFile::GetFileSizeOfLink(int64_t* aFileSize)
{
CHECK_mPath();
if (NS_WARN_IF(!aFileSize)) {
return NS_ERROR_INVALID_ARG;
}
struct STAT sbuf;
if (LSTAT(mPath.get(), &sbuf) == -1) {
return NSRESULT_FOR_ERRNO();
}
*aFileSize = (int64_t)sbuf.st_size;
return NS_OK;
}
#if defined(USE_LINUX_QUOTACTL)
/*
* Searches /proc/self/mountinfo for given device (Major:Minor),
* returns exported name from /dev
*
* Fails when /proc/self/mountinfo or diven device don't exist.
*/
static bool
GetDeviceName(int aDeviceMajor, int aDeviceMinor, nsACString& aDeviceName)
{
bool ret = false;
const int kMountInfoLineLength = 200;
const int kMountInfoDevPosition = 6;
char mountinfoLine[kMountInfoLineLength];
char deviceNum[kMountInfoLineLength];
snprintf(deviceNum, kMountInfoLineLength, "%d:%d", aDeviceMajor, aDeviceMinor);
FILE* f = fopen("/proc/self/mountinfo", "rt");
if (!f) {
return ret;
}
// Expects /proc/self/mountinfo in format:
// 'ID ID major:minor root mountpoint flags - type devicename flags'
while (fgets(mountinfoLine, kMountInfoLineLength, f)) {
char* p_dev = strstr(mountinfoLine, deviceNum);
for (int i = 0; i < kMountInfoDevPosition && p_dev; ++i) {
p_dev = strchr(p_dev, ' ');
if (p_dev) {
p_dev++;
}
}
if (p_dev) {
char* p_dev_end = strchr(p_dev, ' ');
if (p_dev_end) {
*p_dev_end = '\0';
aDeviceName.Assign(p_dev);
ret = true;
break;
}
}
}
fclose(f);
return ret;
}
#endif
NS_IMETHODIMP
nsLocalFile::GetDiskSpaceAvailable(int64_t* aDiskSpaceAvailable)
{
if (NS_WARN_IF(!aDiskSpaceAvailable)) {
return NS_ERROR_INVALID_ARG;
}
// These systems have the operations necessary to check disk space.
#ifdef STATFS
// check to make sure that mPath is properly initialized
CHECK_mPath();
struct STATFS fs_buf;
/*
* Members of the STATFS struct that you should know about:
* F_BSIZE = block size on disk.
* f_bavail = number of free blocks available to a non-superuser.
* f_bfree = number of total free blocks in file system.
*/
if (STATFS(mPath.get(), &fs_buf) < 0) {
// The call to STATFS failed.
#ifdef DEBUG
printf("ERROR: GetDiskSpaceAvailable: STATFS call FAILED. \n");
#endif
return NS_ERROR_FAILURE;
}
*aDiskSpaceAvailable = (int64_t)fs_buf.F_BSIZE * fs_buf.f_bavail;
#ifdef DEBUG_DISK_SPACE
printf("DiskSpaceAvailable: %lu bytes\n",
*aDiskSpaceAvailable);
#endif
#if defined(USE_LINUX_QUOTACTL)
if (!FillStatCache()) {
// Return available size from statfs
return NS_OK;
}
nsCString deviceName;
if (!GetDeviceName(major(mCachedStat.st_dev),
minor(mCachedStat.st_dev),
deviceName)) {
return NS_OK;
}
struct dqblk dq;
if (!quotactl(QCMD(Q_GETQUOTA, USRQUOTA), deviceName.get(),
getuid(), (caddr_t)&dq)
#ifdef QIF_BLIMITS
&& dq.dqb_valid & QIF_BLIMITS
#endif
&& dq.dqb_bhardlimit) {
int64_t QuotaSpaceAvailable = 0;
// dqb_bhardlimit is count of BLOCK_SIZE blocks, dqb_curspace is bytes
if ((BLOCK_SIZE * dq.dqb_bhardlimit) > dq.dqb_curspace)
QuotaSpaceAvailable = int64_t(BLOCK_SIZE * dq.dqb_bhardlimit - dq.dqb_curspace);
if (QuotaSpaceAvailable < *aDiskSpaceAvailable) {
*aDiskSpaceAvailable = QuotaSpaceAvailable;
}
}
#endif
return NS_OK;
#else
/*
* This platform doesn't have statfs or statvfs. I'm sure that there's
* a way to check for free disk space on platforms that don't have statfs
* (I'm SURE they have df, for example).
*
* Until we figure out how to do that, lets be honest and say that this
* command isn't implemented properly for these platforms yet.
*/
#ifdef DEBUG
printf("ERROR: GetDiskSpaceAvailable: Not implemented for plaforms without statfs.\n");
#endif
return NS_ERROR_NOT_IMPLEMENTED;
#endif /* STATFS */
}
NS_IMETHODIMP
nsLocalFile::GetParent(nsIFile** aParent)
{
CHECK_mPath();
if (NS_WARN_IF(!aParent)) {
return NS_ERROR_INVALID_ARG;
}
*aParent = nullptr;
// if '/' we are at the top of the volume, return null
if (mPath.EqualsLiteral("/")) {
return NS_OK;
}
// <brendan, after jband> I promise to play nice
char* buffer = mPath.BeginWriting();
char* slashp = buffer;
// find the last significant slash in buffer
slashp = strrchr(buffer, '/');
NS_ASSERTION(slashp, "non-canonical path?");
if (!slashp) {
return NS_ERROR_FILE_INVALID_PATH;
}
// for the case where we are at '/'
if (slashp == buffer) {
slashp++;
}
// temporarily terminate buffer at the last significant slash
char c = *slashp;
*slashp = '\0';
nsCOMPtr<nsIFile> localFile;
nsresult rv = NS_NewNativeLocalFile(nsDependentCString(buffer), true,
getter_AddRefs(localFile));
// make buffer whole again
*slashp = c;
if (NS_FAILED(rv)) {
return rv;
}
localFile.forget(aParent);
return NS_OK;
}
/*
* The results of Exists, isWritable and isReadable are not cached.
*/
NS_IMETHODIMP
nsLocalFile::Exists(bool* aResult)
{
CHECK_mPath();
if (NS_WARN_IF(!aResult)) {
return NS_ERROR_INVALID_ARG;
}
*aResult = (access(mPath.get(), F_OK) == 0);
return NS_OK;
}
NS_IMETHODIMP
nsLocalFile::IsWritable(bool* aResult)
{
CHECK_mPath();
if (NS_WARN_IF(!aResult)) {
return NS_ERROR_INVALID_ARG;
}
*aResult = (access(mPath.get(), W_OK) == 0);
if (*aResult || errno == EACCES) {
return NS_OK;
}
return NSRESULT_FOR_ERRNO();
}
NS_IMETHODIMP
nsLocalFile::IsReadable(bool* aResult)
{
CHECK_mPath();
if (NS_WARN_IF(!aResult)) {
return NS_ERROR_INVALID_ARG;
}
*aResult = (access(mPath.get(), R_OK) == 0);
if (*aResult || errno == EACCES) {
return NS_OK;
}
return NSRESULT_FOR_ERRNO();
}
NS_IMETHODIMP
nsLocalFile::IsExecutable(bool* aResult)
{
CHECK_mPath();
if (NS_WARN_IF(!aResult)) {
return NS_ERROR_INVALID_ARG;
}
// Check extension (bug 663899). On certain platforms, the file
// extension may cause the OS to treat it as executable regardless of
// the execute bit, such as .jar on Mac OS X. We borrow the code from
// nsLocalFileWin, slightly modified.
// Don't be fooled by symlinks.
bool symLink;
nsresult rv = IsSymlink(&symLink);
if (NS_FAILED(rv)) {
return rv;
}
nsAutoString path;
if (symLink) {
GetTarget(path);
} else {
GetPath(path);
}
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[] = {
"air", // Adobe AIR installer
"jar" // java application bundle
};
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;
return NS_OK;
}
}
}
// On OS X, then query Launch Services.
#ifdef MOZ_WIDGET_COCOA
// Certain Mac applications, such as Classic applications, which
// run under Rosetta, might not have the +x mode bit but are still
// considered to be executable by Launch Services (bug 646748).
CFURLRef url;
if (NS_FAILED(GetCFURL(&url))) {
return NS_ERROR_FAILURE;
}
LSRequestedInfo theInfoRequest = kLSRequestAllInfo;
LSItemInfoRecord theInfo;
OSStatus result = ::LSCopyItemInfoForURL(url, theInfoRequest, &theInfo);
::CFRelease(url);
if (result == noErr) {
if ((theInfo.flags & kLSItemInfoIsApplication) != 0) {
*aResult = true;
return NS_OK;
}
}
#endif
// Then check the execute bit.
*aResult = (access(mPath.get(), X_OK) == 0);
#ifdef SOLARIS
// On Solaris, access will always return 0 for root user, however
// the file is only executable if S_IXUSR | S_IXGRP | S_IXOTH is set.
// See bug 351950, https://bugzilla.mozilla.org/show_bug.cgi?id=351950
if (*aResult) {
struct STAT buf;
*aResult = (STAT(mPath.get(), &buf) == 0);
if (*aResult || errno == EACCES) {
*aResult = *aResult && (buf.st_mode & (S_IXUSR | S_IXGRP | S_IXOTH));
return NS_OK;
}
return NSRESULT_FOR_ERRNO();
}
#endif
if (*aResult || errno == EACCES) {
return NS_OK;
}
return NSRESULT_FOR_ERRNO();
}
NS_IMETHODIMP
nsLocalFile::IsDirectory(bool* aResult)
{
if (NS_WARN_IF(!aResult)) {
return NS_ERROR_INVALID_ARG;
}
*aResult = false;
ENSURE_STAT_CACHE();
*aResult = S_ISDIR(mCachedStat.st_mode);
return NS_OK;
}
NS_IMETHODIMP
nsLocalFile::IsFile(bool* aResult)
{
if (NS_WARN_IF(!aResult)) {
return NS_ERROR_INVALID_ARG;
}
*aResult = false;
ENSURE_STAT_CACHE();
*aResult = S_ISREG(mCachedStat.st_mode);
return NS_OK;
}
NS_IMETHODIMP
nsLocalFile::IsHidden(bool* aResult)
{
if (NS_WARN_IF(!aResult)) {
return NS_ERROR_INVALID_ARG;
}
nsACString::const_iterator begin, end;
LocateNativeLeafName(begin, end);
*aResult = (*begin == '.');
return NS_OK;
}
NS_IMETHODIMP
nsLocalFile::IsSymlink(bool* aResult)
{
if (NS_WARN_IF(!aResult)) {
return NS_ERROR_INVALID_ARG;
}
CHECK_mPath();
struct STAT symStat;
if (LSTAT(mPath.get(), &symStat) == -1) {
return NSRESULT_FOR_ERRNO();
}
*aResult = S_ISLNK(symStat.st_mode);
return NS_OK;
}
NS_IMETHODIMP
nsLocalFile::IsSpecial(bool* aResult)
{
if (NS_WARN_IF(!aResult)) {
return NS_ERROR_INVALID_ARG;
}
ENSURE_STAT_CACHE();
*aResult = S_ISCHR(mCachedStat.st_mode) ||
S_ISBLK(mCachedStat.st_mode) ||
#ifdef S_ISSOCK
S_ISSOCK(mCachedStat.st_mode) ||
#endif
S_ISFIFO(mCachedStat.st_mode);
return NS_OK;
}
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;
}
*aResult = false;
nsAutoCString inPath;
nsresult rv = aInFile->GetNativePath(inPath);
if (NS_FAILED(rv)) {
return rv;
}
// We don't need to worry about "/foo/" vs. "/foo" here
// because trailing slashes are stripped on init.
*aResult = !strcmp(inPath.get(), mPath.get());
return NS_OK;
}
NS_IMETHODIMP
nsLocalFile::Contains(nsIFile* aInFile, bool* aResult)
{
CHECK_mPath();
if (NS_WARN_IF(!aInFile)) {
return NS_ERROR_INVALID_ARG;
}
if (NS_WARN_IF(!aResult)) {
return NS_ERROR_INVALID_ARG;
}
nsAutoCString inPath;
nsresult rv;
if (NS_FAILED(rv = aInFile->GetNativePath(inPath))) {
return rv;
}
*aResult = false;
ssize_t len = mPath.Length();
if (strncmp(mPath.get(), inPath.get(), len) == 0) {
// Now make sure that the |aInFile|'s path has a separator at len,
// which implies that it has more components after len.
if (inPath[len] == '/') {
*aResult = true;
}
}
return NS_OK;
}
NS_IMETHODIMP
nsLocalFile::GetNativeTarget(nsACString& aResult)
{
CHECK_mPath();
aResult.Truncate();
struct STAT symStat;
if (LSTAT(mPath.get(), &symStat) == -1) {
return NSRESULT_FOR_ERRNO();
}
if (!S_ISLNK(symStat.st_mode)) {
return NS_ERROR_FILE_INVALID_PATH;
}
int32_t size = (int32_t)symStat.st_size;
char* target = (char*)moz_xmalloc(size + 1);
if (!target) {
return NS_ERROR_OUT_OF_MEMORY;
}
if (readlink(mPath.get(), target, (size_t)size) < 0) {
free(target);
return NSRESULT_FOR_ERRNO();
}
target[size] = '\0';
nsresult rv = NS_OK;
nsCOMPtr<nsIFile> self(this);
int32_t maxLinks = 40;
while (true) {
if (maxLinks-- == 0) {
rv = NS_ERROR_FILE_UNRESOLVABLE_SYMLINK;
break;
}
if (target[0] != '/') {
nsCOMPtr<nsIFile> parent;
if (NS_FAILED(rv = self->GetParent(getter_AddRefs(parent)))) {
break;
}
if (NS_FAILED(rv = parent->AppendRelativeNativePath(nsDependentCString(target)))) {
break;
}
if (NS_FAILED(rv = parent->GetNativePath(aResult))) {
break;
}
self = parent;
} else {
aResult = target;
}
const nsPromiseFlatCString& flatRetval = PromiseFlatCString(aResult);
// Any failure in testing the current target we'll just interpret
// as having reached our destiny.
if (LSTAT(flatRetval.get(), &symStat) == -1) {
break;
}
// And of course we're done if it isn't a symlink.
if (!S_ISLNK(symStat.st_mode)) {
break;
}
int32_t newSize = (int32_t)symStat.st_size;
if (newSize > size) {
char* newTarget = (char*)moz_xrealloc(target, newSize + 1);
if (!newTarget) {
rv = NS_ERROR_OUT_OF_MEMORY;
break;
}
target = newTarget;
size = newSize;
}
int32_t linkLen = readlink(flatRetval.get(), target, size);
if (linkLen == -1) {
rv = NSRESULT_FOR_ERRNO();
break;
}
target[linkLen] = '\0';
}
free(target);
if (NS_FAILED(rv)) {
aResult.Truncate();
}
return rv;
}
NS_IMETHODIMP
nsLocalFile::GetFollowLinks(bool* aFollowLinks)
{
*aFollowLinks = true;
return NS_OK;
}
NS_IMETHODIMP
nsLocalFile::SetFollowLinks(bool aFollowLinks)
{
return NS_OK;
}
NS_IMETHODIMP
nsLocalFile::GetDirectoryEntries(nsISimpleEnumerator** aEntries)
{
nsRefPtr<nsDirEnumeratorUnix> dir = new nsDirEnumeratorUnix();
nsresult rv = dir->Init(this, false);
if (NS_FAILED(rv)) {
*aEntries = nullptr;
} else {
dir.forget(aEntries);
}
return rv;
}
NS_IMETHODIMP
nsLocalFile::Load(PRLibrary** aResult)
{
CHECK_mPath();
if (NS_WARN_IF(!aResult)) {
return NS_ERROR_INVALID_ARG;
}
#ifdef NS_BUILD_REFCNT_LOGGING
nsTraceRefcnt::SetActivityIsLegal(false);
#endif
*aResult = PR_LoadLibrary(mPath.get());
#ifdef NS_BUILD_REFCNT_LOGGING
nsTraceRefcnt::SetActivityIsLegal(true);
#endif
if (!*aResult) {
return NS_ERROR_FAILURE;
}
return NS_OK;
}
NS_IMETHODIMP
nsLocalFile::GetPersistentDescriptor(nsACString& aPersistentDescriptor)
{
return GetNativePath(aPersistentDescriptor);
}
NS_IMETHODIMP
nsLocalFile::SetPersistentDescriptor(const nsACString& aPersistentDescriptor)
{
#ifdef MOZ_WIDGET_COCOA
if (aPersistentDescriptor.IsEmpty()) {
return NS_ERROR_INVALID_ARG;
}
// Support pathnames as user-supplied descriptors if they begin with '/'
// or '~'. These characters do not collide with the base64 set used for
// encoding alias records.
char first = aPersistentDescriptor.First();
if (first == '/' || first == '~') {
return InitWithNativePath(aPersistentDescriptor);
}
uint32_t dataSize = aPersistentDescriptor.Length();
char* decodedData = PL_Base64Decode(
PromiseFlatCString(aPersistentDescriptor).get(), dataSize, nullptr);
if (!decodedData) {
NS_ERROR("SetPersistentDescriptor was given bad data");
return NS_ERROR_FAILURE;
}
// Cast to an alias record and resolve.
AliasRecord aliasHeader = *(AliasPtr)decodedData;
int32_t aliasSize = ::GetAliasSizeFromPtr(&aliasHeader);
if (aliasSize > ((int32_t)dataSize * 3) / 4) { // be paranoid about having too few data
PR_Free(decodedData);
return NS_ERROR_FAILURE;
}
nsresult rv = NS_OK;
// Move the now-decoded data into the Handle.
// The size of the decoded data is 3/4 the size of the encoded data. See plbase64.h
Handle newHandle = nullptr;
if (::PtrToHand(decodedData, &newHandle, aliasSize) != noErr) {
rv = NS_ERROR_OUT_OF_MEMORY;
}
PR_Free(decodedData);
if (NS_FAILED(rv)) {
return rv;
}
Boolean changed;
FSRef resolvedFSRef;
OSErr err = ::FSResolveAlias(nullptr, (AliasHandle)newHandle, &resolvedFSRef,
&changed);
rv = MacErrorMapper(err);
DisposeHandle(newHandle);
if (NS_FAILED(rv)) {
return rv;
}
return InitWithFSRef(&resolvedFSRef);
#else
return InitWithNativePath(aPersistentDescriptor);
#endif
}
NS_IMETHODIMP
nsLocalFile::Reveal()
{
#ifdef MOZ_WIDGET_GTK
nsCOMPtr<nsIGIOService> giovfs = do_GetService(NS_GIOSERVICE_CONTRACTID);
if (!giovfs) {
return NS_ERROR_FAILURE;
}
bool isDirectory;
if (NS_FAILED(IsDirectory(&isDirectory))) {
return NS_ERROR_FAILURE;
}
if (isDirectory) {
return giovfs->ShowURIForInput(mPath);
} else if (NS_SUCCEEDED(giovfs->OrgFreedesktopFileManager1ShowItems(mPath))) {
return NS_OK;
} else {
nsCOMPtr<nsIFile> parentDir;
nsAutoCString dirPath;
if (NS_FAILED(GetParent(getter_AddRefs(parentDir)))) {
return NS_ERROR_FAILURE;
}
if (NS_FAILED(parentDir->GetNativePath(dirPath))) {
return NS_ERROR_FAILURE;
}
return giovfs->ShowURIForInput(dirPath);
}
#elif defined(MOZ_WIDGET_COCOA)
CFURLRef url;
if (NS_SUCCEEDED(GetCFURL(&url))) {
nsresult rv = CocoaFileUtils::RevealFileInFinder(url);
::CFRelease(url);
return rv;
}
return NS_ERROR_FAILURE;
#else
return NS_ERROR_FAILURE;
#endif
}
NS_IMETHODIMP
nsLocalFile::Launch()
{
#ifdef MOZ_WIDGET_GTK
nsCOMPtr<nsIGIOService> giovfs = do_GetService(NS_GIOSERVICE_CONTRACTID);
if (!giovfs) {
return NS_ERROR_FAILURE;
}
return giovfs->ShowURIForInput(mPath);
#elif defined(MOZ_ENABLE_CONTENTACTION)
QUrl uri = QUrl::fromLocalFile(QString::fromUtf8(mPath.get()));
ContentAction::Action action =
ContentAction::Action::defaultActionForFile(uri);
if (action.isValid()) {
action.trigger();
return NS_OK;
}
return NS_ERROR_FAILURE;
#elif defined(MOZ_WIDGET_ANDROID)
// Try to get a mimetype, if this fails just use the file uri alone
nsresult rv;
nsAutoCString type;
nsCOMPtr<nsIMIMEService> mimeService(do_GetService("@mozilla.org/mime;1", &rv));
if (NS_SUCCEEDED(rv)) {
rv = mimeService->GetTypeFromFile(this, type);
}
nsAutoCString fileUri = NS_LITERAL_CSTRING("file://") + mPath;
return widget::GeckoAppShell::OpenUriExternal(
NS_ConvertUTF8toUTF16(fileUri),
NS_ConvertUTF8toUTF16(type),
EmptyString(),
EmptyString(),
EmptyString(),
EmptyString()) ? NS_OK : NS_ERROR_FAILURE;
#elif defined(MOZ_WIDGET_COCOA)
CFURLRef url;
if (NS_SUCCEEDED(GetCFURL(&url))) {
nsresult rv = CocoaFileUtils::OpenURL(url);
::CFRelease(url);
return rv;
}
return NS_ERROR_FAILURE;
#else
return NS_ERROR_FAILURE;
#endif
}
nsresult
NS_NewNativeLocalFile(const nsACString& aPath, bool aFollowSymlinks,
nsIFile** aResult)
{
nsRefPtr<nsLocalFile> file = new nsLocalFile();
file->SetFollowLinks(aFollowSymlinks);
if (!aPath.IsEmpty()) {
nsresult rv = file->InitWithNativePath(aPath);
if (NS_FAILED(rv)) {
return rv;
}
}
file.forget(aResult);
return NS_OK;
}
//-----------------------------------------------------------------------------
// unicode support
//-----------------------------------------------------------------------------
#define SET_UCS(func, ucsArg) \
{ \
nsAutoCString buf; \
nsresult rv = NS_CopyUnicodeToNative(ucsArg, buf); \
if (NS_FAILED(rv)) \
return rv; \
return (func)(buf); \
}
#define GET_UCS(func, ucsArg) \
{ \
nsAutoCString buf; \
nsresult rv = (func)(buf); \
if (NS_FAILED(rv)) return rv; \
return NS_CopyNativeToUnicode(buf, ucsArg); \
}
#define SET_UCS_2ARGS_2(func, opaqueArg, ucsArg) \
{ \
nsAutoCString buf; \
nsresult rv = NS_CopyUnicodeToNative(ucsArg, buf); \
if (NS_FAILED(rv)) \
return rv; \
return (func)(opaqueArg, buf); \
}
// Unicode interface Wrapper
nsresult
nsLocalFile::InitWithPath(const nsAString& aFilePath)
{
SET_UCS(InitWithNativePath, aFilePath);
}
nsresult
nsLocalFile::Append(const nsAString& aNode)
{
SET_UCS(AppendNative, aNode);
}
nsresult
nsLocalFile::AppendRelativePath(const nsAString& aNode)
{
SET_UCS(AppendRelativeNativePath, aNode);
}
nsresult
nsLocalFile::GetLeafName(nsAString& aLeafName)
{
GET_UCS(GetNativeLeafName, aLeafName);
}
nsresult
nsLocalFile::SetLeafName(const nsAString& aLeafName)
{
SET_UCS(SetNativeLeafName, aLeafName);
}
nsresult
nsLocalFile::GetPath(nsAString& aResult)
{
return NS_CopyNativeToUnicode(mPath, aResult);
}
nsresult
nsLocalFile::CopyTo(nsIFile* aNewParentDir, const nsAString& aNewName)
{
SET_UCS_2ARGS_2(CopyToNative , aNewParentDir, aNewName);
}
nsresult
nsLocalFile::CopyToFollowingLinks(nsIFile* aNewParentDir,
const nsAString& aNewName)
{
SET_UCS_2ARGS_2(CopyToFollowingLinksNative , aNewParentDir, aNewName);
}
nsresult
nsLocalFile::MoveTo(nsIFile* aNewParentDir, const nsAString& aNewName)
{
SET_UCS_2ARGS_2(MoveToNative, aNewParentDir, aNewName);
}
NS_IMETHODIMP
nsLocalFile::RenameTo(nsIFile* aNewParentDir, const nsAString& aNewName)
{
nsresult rv;
// check to make sure that this has been initialized properly
CHECK_mPath();
// check to make sure that we have a new parent
nsAutoCString newPathName;
nsAutoCString newNativeName;
rv = NS_CopyUnicodeToNative(aNewName, newNativeName);
if (NS_FAILED(rv)) {
return rv;
}
rv = GetNativeTargetPathName(aNewParentDir, newNativeName, newPathName);
if (NS_FAILED(rv)) {
return rv;
}
// try for atomic rename
if (rename(mPath.get(), newPathName.get()) < 0) {
#ifdef VMS
if (errno == EXDEV || errno == ENXIO) {
#else
if (errno == EXDEV) {
#endif
rv = NS_ERROR_FILE_ACCESS_DENIED;
} else {
rv = NSRESULT_FOR_ERRNO();
}
}
return rv;
}
nsresult
nsLocalFile::GetTarget(nsAString& aResult)
{
GET_UCS(GetNativeTarget, aResult);
}
// 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)
{
*aResult = HashString(mPath);
return NS_OK;
}
nsresult
NS_NewLocalFile(const nsAString& aPath, bool aFollowLinks, nsIFile** aResult)
{
nsAutoCString buf;
nsresult rv = NS_CopyUnicodeToNative(aPath, buf);
if (NS_FAILED(rv)) {
return rv;
}
return NS_NewNativeLocalFile(buf, aFollowLinks, aResult);
}
//-----------------------------------------------------------------------------
// global init/shutdown
//-----------------------------------------------------------------------------
void
nsLocalFile::GlobalInit()
{
}
void
nsLocalFile::GlobalShutdown()
{
}
// nsILocalFileMac
#ifdef MOZ_WIDGET_COCOA
static nsresult MacErrorMapper(OSErr inErr)
{
nsresult outErr;
switch (inErr) {
case noErr:
outErr = NS_OK;
break;
case fnfErr:
case afpObjectNotFound:
case afpDirNotFound:
outErr = NS_ERROR_FILE_NOT_FOUND;
break;
case dupFNErr:
case afpObjectExists:
outErr = NS_ERROR_FILE_ALREADY_EXISTS;
break;
case dskFulErr:
case afpDiskFull:
outErr = NS_ERROR_FILE_DISK_FULL;
break;
case fLckdErr:
case afpVolLocked:
outErr = NS_ERROR_FILE_IS_LOCKED;
break;
case afpAccessDenied:
outErr = NS_ERROR_FILE_ACCESS_DENIED;
break;
case afpDirNotEmpty:
outErr = NS_ERROR_FILE_DIR_NOT_EMPTY;
break;
// Can't find good map for some
case bdNamErr:
outErr = NS_ERROR_FAILURE;
break;
default:
outErr = NS_ERROR_FAILURE;
break;
}
return outErr;
}
static nsresult CFStringReftoUTF8(CFStringRef aInStrRef, nsACString& aOutStr)
{
// first see if the conversion would succeed and find the length of the result
CFIndex usedBufLen, inStrLen = ::CFStringGetLength(aInStrRef);
CFIndex charsConverted = ::CFStringGetBytes(aInStrRef, CFRangeMake(0, inStrLen),
kCFStringEncodingUTF8, 0, false,
nullptr, 0, &usedBufLen);
if (charsConverted == inStrLen) {
// all characters converted, do the actual conversion
aOutStr.SetLength(usedBufLen);
if (aOutStr.Length() != (unsigned int)usedBufLen) {
return NS_ERROR_OUT_OF_MEMORY;
}
UInt8* buffer = (UInt8*)aOutStr.BeginWriting();
::CFStringGetBytes(aInStrRef, CFRangeMake(0, inStrLen), kCFStringEncodingUTF8,
0, false, buffer, usedBufLen, &usedBufLen);
return NS_OK;
}
return NS_ERROR_FAILURE;
}
NS_IMETHODIMP
nsLocalFile::InitWithCFURL(CFURLRef aCFURL)
{
UInt8 path[PATH_MAX];
if (::CFURLGetFileSystemRepresentation(aCFURL, true, path, PATH_MAX)) {
nsDependentCString nativePath((char*)path);
return InitWithNativePath(nativePath);
}
return NS_ERROR_FAILURE;
}
NS_IMETHODIMP
nsLocalFile::InitWithFSRef(const FSRef* aFSRef)
{
if (NS_WARN_IF(!aFSRef)) {
return NS_ERROR_INVALID_ARG;
}
CFURLRef newURLRef = ::CFURLCreateFromFSRef(kCFAllocatorDefault, aFSRef);
if (newURLRef) {
nsresult rv = InitWithCFURL(newURLRef);
::CFRelease(newURLRef);
return rv;
}
return NS_ERROR_FAILURE;
}
NS_IMETHODIMP
nsLocalFile::GetCFURL(CFURLRef* aResult)
{
CHECK_mPath();
bool isDir;
IsDirectory(&isDir);
*aResult = ::CFURLCreateFromFileSystemRepresentation(kCFAllocatorDefault,
(UInt8*)mPath.get(),
mPath.Length(),
isDir);
return (*aResult ? NS_OK : NS_ERROR_FAILURE);
}
NS_IMETHODIMP
nsLocalFile::GetFSRef(FSRef* aResult)
{
if (NS_WARN_IF(!aResult)) {
return NS_ERROR_INVALID_ARG;
}
nsresult rv = NS_ERROR_FAILURE;
CFURLRef url = nullptr;
if (NS_SUCCEEDED(GetCFURL(&url))) {
if (::CFURLGetFSRef(url, aResult)) {
rv = NS_OK;
}
::CFRelease(url);
}
return rv;
}
NS_IMETHODIMP
nsLocalFile::GetFSSpec(FSSpec* aResult)
{
if (NS_WARN_IF(!aResult)) {
return NS_ERROR_INVALID_ARG;
}
FSRef fsRef;
nsresult rv = GetFSRef(&fsRef);
if (NS_SUCCEEDED(rv)) {
OSErr err = ::FSGetCatalogInfo(&fsRef, kFSCatInfoNone, nullptr, nullptr,
aResult, nullptr);
return MacErrorMapper(err);
}
return rv;
}
NS_IMETHODIMP
nsLocalFile::GetFileSizeWithResFork(int64_t* aFileSizeWithResFork)
{
if (NS_WARN_IF(!aFileSizeWithResFork)) {
return NS_ERROR_INVALID_ARG;
}
FSRef fsRef;
nsresult rv = GetFSRef(&fsRef);
if (NS_FAILED(rv)) {
return rv;
}
FSCatalogInfo catalogInfo;
OSErr err = ::FSGetCatalogInfo(&fsRef, kFSCatInfoDataSizes + kFSCatInfoRsrcSizes,
&catalogInfo, nullptr, nullptr, nullptr);
if (err != noErr) {
return MacErrorMapper(err);
}
*aFileSizeWithResFork =
catalogInfo.dataLogicalSize + catalogInfo.rsrcLogicalSize;
return NS_OK;
}
NS_IMETHODIMP
nsLocalFile::GetFileType(OSType* aFileType)
{
CFURLRef url;
if (NS_SUCCEEDED(GetCFURL(&url))) {
nsresult rv = CocoaFileUtils::GetFileTypeCode(url, aFileType);
::CFRelease(url);
return rv;
}
return NS_ERROR_FAILURE;
}
NS_IMETHODIMP
nsLocalFile::SetFileType(OSType aFileType)
{
CFURLRef url;
if (NS_SUCCEEDED(GetCFURL(&url))) {
nsresult rv = CocoaFileUtils::SetFileTypeCode(url, aFileType);
::CFRelease(url);
return rv;
}
return NS_ERROR_FAILURE;
}
NS_IMETHODIMP
nsLocalFile::GetFileCreator(OSType* aFileCreator)
{
CFURLRef url;
if (NS_SUCCEEDED(GetCFURL(&url))) {
nsresult rv = CocoaFileUtils::GetFileCreatorCode(url, aFileCreator);
::CFRelease(url);
return rv;
}
return NS_ERROR_FAILURE;
}
NS_IMETHODIMP
nsLocalFile::SetFileCreator(OSType aFileCreator)
{
CFURLRef url;
if (NS_SUCCEEDED(GetCFURL(&url))) {
nsresult rv = CocoaFileUtils::SetFileCreatorCode(url, aFileCreator);
::CFRelease(url);
return rv;
}
return NS_ERROR_FAILURE;
}
NS_IMETHODIMP
nsLocalFile::LaunchWithDoc(nsIFile* aDocToLoad, bool aLaunchInBackground)
{
bool isExecutable;
nsresult rv = IsExecutable(&isExecutable);
if (NS_FAILED(rv)) {
return rv;
}
if (!isExecutable) {
return NS_ERROR_FILE_EXECUTION_FAILED;
}
FSRef appFSRef, docFSRef;
rv = GetFSRef(&appFSRef);
if (NS_FAILED(rv)) {
return rv;
}
if (aDocToLoad) {
nsCOMPtr<nsILocalFileMac> macDoc = do_QueryInterface(aDocToLoad);
rv = macDoc->GetFSRef(&docFSRef);
if (NS_FAILED(rv)) {
return rv;
}
}
LSLaunchFlags theLaunchFlags = kLSLaunchDefaults;
LSLaunchFSRefSpec thelaunchSpec;
if (aLaunchInBackground) {
theLaunchFlags |= kLSLaunchDontSwitch;
}
memset(&thelaunchSpec, 0, sizeof(LSLaunchFSRefSpec));
thelaunchSpec.appRef = &appFSRef;
if (aDocToLoad) {
thelaunchSpec.numDocs = 1;
thelaunchSpec.itemRefs = &docFSRef;
}
thelaunchSpec.launchFlags = theLaunchFlags;
OSErr err = ::LSOpenFromRefSpec(&thelaunchSpec, nullptr);
if (err != noErr) {
return MacErrorMapper(err);
}
return NS_OK;
}
NS_IMETHODIMP
nsLocalFile::OpenDocWithApp(nsIFile* aAppToOpenWith, bool aLaunchInBackground)
{
FSRef docFSRef;
nsresult rv = GetFSRef(&docFSRef);
if (NS_FAILED(rv)) {
return rv;
}
if (!aAppToOpenWith) {
OSErr err = ::LSOpenFSRef(&docFSRef, nullptr);
return MacErrorMapper(err);
}
nsCOMPtr<nsILocalFileMac> appFileMac = do_QueryInterface(aAppToOpenWith, &rv);
if (!appFileMac) {
return rv;
}
bool isExecutable;
rv = appFileMac->IsExecutable(&isExecutable);
if (NS_FAILED(rv)) {
return rv;
}
if (!isExecutable) {
return NS_ERROR_FILE_EXECUTION_FAILED;
}
FSRef appFSRef;
rv = appFileMac->GetFSRef(&appFSRef);
if (NS_FAILED(rv)) {
return rv;
}
LSLaunchFlags theLaunchFlags = kLSLaunchDefaults;
LSLaunchFSRefSpec thelaunchSpec;
if (aLaunchInBackground) {
theLaunchFlags |= kLSLaunchDontSwitch;
}
memset(&thelaunchSpec, 0, sizeof(LSLaunchFSRefSpec));
thelaunchSpec.appRef = &appFSRef;
thelaunchSpec.numDocs = 1;
thelaunchSpec.itemRefs = &docFSRef;
thelaunchSpec.launchFlags = theLaunchFlags;
OSErr err = ::LSOpenFromRefSpec(&thelaunchSpec, nullptr);
if (err != noErr) {
return MacErrorMapper(err);
}
return NS_OK;
}
NS_IMETHODIMP
nsLocalFile::IsPackage(bool* aResult)
{
if (NS_WARN_IF(!aResult)) {
return NS_ERROR_INVALID_ARG;
}
*aResult = false;
CFURLRef url;
nsresult rv = GetCFURL(&url);
if (NS_FAILED(rv)) {
return rv;
}
LSItemInfoRecord info;
OSStatus status = ::LSCopyItemInfoForURL(url, kLSRequestBasicFlagsOnly, &info);
::CFRelease(url);
if (status != noErr) {
return NS_ERROR_FAILURE;
}
*aResult = !!(info.flags & kLSItemInfoIsPackage);
return NS_OK;
}
NS_IMETHODIMP
nsLocalFile::GetBundleDisplayName(nsAString& aOutBundleName)
{
bool isPackage = false;
nsresult rv = IsPackage(&isPackage);
if (NS_FAILED(rv) || !isPackage) {
return NS_ERROR_FAILURE;
}
nsAutoString name;
rv = GetLeafName(name);
if (NS_FAILED(rv)) {
return rv;
}
int32_t length = name.Length();
if (Substring(name, length - 4, length).EqualsLiteral(".app")) {
// 4 characters in ".app"
aOutBundleName = Substring(name, 0, length - 4);
} else {
aOutBundleName = name;
}
return NS_OK;
}
NS_IMETHODIMP
nsLocalFile::GetBundleIdentifier(nsACString& aOutBundleIdentifier)
{
nsresult rv = NS_ERROR_FAILURE;
CFURLRef urlRef;
if (NS_SUCCEEDED(GetCFURL(&urlRef))) {
CFBundleRef bundle = ::CFBundleCreate(nullptr, urlRef);
if (bundle) {
CFStringRef bundleIdentifier = ::CFBundleGetIdentifier(bundle);
if (bundleIdentifier) {
rv = CFStringReftoUTF8(bundleIdentifier, aOutBundleIdentifier);
}
::CFRelease(bundle);
}
::CFRelease(urlRef);
}
return rv;
}
NS_IMETHODIMP
nsLocalFile::GetBundleContentsLastModifiedTime(int64_t* aLastModTime)
{
CHECK_mPath();
if (NS_WARN_IF(!aLastModTime)) {
return NS_ERROR_INVALID_ARG;
}
bool isPackage = false;
nsresult rv = IsPackage(&isPackage);
if (NS_FAILED(rv) || !isPackage) {
return GetLastModifiedTime(aLastModTime);
}
nsAutoCString infoPlistPath(mPath);
infoPlistPath.AppendLiteral("/Contents/Info.plist");
PRFileInfo64 info;
if (PR_GetFileInfo64(infoPlistPath.get(), &info) != PR_SUCCESS) {
return GetLastModifiedTime(aLastModTime);
}
int64_t modTime = int64_t(info.modifyTime);
if (modTime == 0) {
*aLastModTime = 0;
} else {
*aLastModTime = modTime / int64_t(PR_USEC_PER_MSEC);
}
return NS_OK;
}
NS_IMETHODIMP nsLocalFile::InitWithFile(nsIFile* aFile)
{
if (NS_WARN_IF(!aFile)) {
return NS_ERROR_INVALID_ARG;
}
nsAutoCString nativePath;
nsresult rv = aFile->GetNativePath(nativePath);
if (NS_FAILED(rv)) {
return rv;
}
return InitWithNativePath(nativePath);
}
nsresult
NS_NewLocalFileWithFSRef(const FSRef* aFSRef, bool aFollowLinks,
nsILocalFileMac** aResult)
{
nsRefPtr<nsLocalFile> file = new nsLocalFile();
file->SetFollowLinks(aFollowLinks);
nsresult rv = file->InitWithFSRef(aFSRef);
if (NS_FAILED(rv)) {
return rv;
}
file.forget(aResult);
return NS_OK;
}
nsresult
NS_NewLocalFileWithCFURL(const CFURLRef aURL, bool aFollowLinks,
nsILocalFileMac** aResult)
{
nsRefPtr<nsLocalFile> file = new nsLocalFile();
file->SetFollowLinks(aFollowLinks);
nsresult rv = file->InitWithCFURL(aURL);
if (NS_FAILED(rv)) {
return rv;
}
file.forget(aResult);
return NS_OK;
}
#endif
Ссылка в новой задаче Показать git blame Копировать постоянную ссылку