gecko-dev/dom/devicestorage/DeviceStorageRequestParent.cpp

751 строка
20 KiB
C++

/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this file,
* You can obtain one at http://mozilla.org/MPL/2.0/. */
#include "DeviceStorageRequestParent.h"
#include "nsIMIMEService.h"
#include "nsCExternalHandlerService.h"
#include "mozilla/unused.h"
#include "mozilla/dom/File.h"
#include "mozilla/dom/ipc/BlobParent.h"
#include "ContentParent.h"
#include "nsProxyRelease.h"
#include "AppProcessChecker.h"
#include "mozilla/Preferences.h"
#include "nsNetCID.h"
namespace mozilla {
namespace dom {
namespace devicestorage {
DeviceStorageRequestParent::DeviceStorageRequestParent(
const DeviceStorageParams& aParams)
: mParams(aParams)
, mMutex("DeviceStorageRequestParent::mMutex")
, mActorDestroyed(false)
{
MOZ_COUNT_CTOR(DeviceStorageRequestParent);
DebugOnly<DeviceStorageUsedSpaceCache*> usedSpaceCache
= DeviceStorageUsedSpaceCache::CreateOrGet();
MOZ_ASSERT(usedSpaceCache);
}
void
DeviceStorageRequestParent::Dispatch()
{
RefPtr<CancelableRunnable> r;
switch (mParams.type()) {
case DeviceStorageParams::TDeviceStorageAddParams:
{
DeviceStorageAddParams p = mParams;
RefPtr<DeviceStorageFile> dsf =
new DeviceStorageFile(p.type(), p.storageName(), p.relpath());
BlobParent* bp = static_cast<BlobParent*>(p.blobParent());
RefPtr<BlobImpl> blobImpl = bp->GetBlobImpl();
ErrorResult rv;
nsCOMPtr<nsIInputStream> stream;
blobImpl->GetInternalStream(getter_AddRefs(stream), rv);
MOZ_ASSERT(!rv.Failed());
r = new WriteFileEvent(this, dsf.forget(), stream,
DEVICE_STORAGE_REQUEST_CREATE);
break;
}
case DeviceStorageParams::TDeviceStorageAppendParams:
{
DeviceStorageAppendParams p = mParams;
RefPtr<DeviceStorageFile> dsf =
new DeviceStorageFile(p.type(), p.storageName(), p.relpath());
BlobParent* bp = static_cast<BlobParent*>(p.blobParent());
RefPtr<BlobImpl> blobImpl = bp->GetBlobImpl();
ErrorResult rv;
nsCOMPtr<nsIInputStream> stream;
blobImpl->GetInternalStream(getter_AddRefs(stream), rv);
MOZ_ASSERT(!rv.Failed());
r = new WriteFileEvent(this, dsf.forget(), stream,
DEVICE_STORAGE_REQUEST_APPEND);
break;
}
case DeviceStorageParams::TDeviceStorageCreateFdParams:
{
DeviceStorageCreateFdParams p = mParams;
RefPtr<DeviceStorageFile> dsf =
new DeviceStorageFile(p.type(), p.storageName(), p.relpath());
r = new CreateFdEvent(this, dsf.forget());
break;
}
case DeviceStorageParams::TDeviceStorageGetParams:
{
DeviceStorageGetParams p = mParams;
RefPtr<DeviceStorageFile> dsf =
new DeviceStorageFile(p.type(), p.storageName(),
p.rootDir(), p.relpath());
r = new ReadFileEvent(this, dsf.forget());
break;
}
case DeviceStorageParams::TDeviceStorageDeleteParams:
{
DeviceStorageDeleteParams p = mParams;
RefPtr<DeviceStorageFile> dsf =
new DeviceStorageFile(p.type(), p.storageName(), p.relpath());
r = new DeleteFileEvent(this, dsf.forget());
break;
}
case DeviceStorageParams::TDeviceStorageFreeSpaceParams:
{
DeviceStorageFreeSpaceParams p = mParams;
RefPtr<DeviceStorageFile> dsf =
new DeviceStorageFile(p.type(), p.storageName());
r = new FreeSpaceFileEvent(this, dsf.forget());
break;
}
case DeviceStorageParams::TDeviceStorageUsedSpaceParams:
{
DeviceStorageUsedSpaceCache* usedSpaceCache
= DeviceStorageUsedSpaceCache::CreateOrGet();
MOZ_ASSERT(usedSpaceCache);
DeviceStorageUsedSpaceParams p = mParams;
RefPtr<DeviceStorageFile> dsf =
new DeviceStorageFile(p.type(), p.storageName());
usedSpaceCache->Dispatch(
MakeAndAddRef<UsedSpaceFileEvent>(this, dsf.forget()));
return;
}
case DeviceStorageParams::TDeviceStorageFormatParams:
{
DeviceStorageFormatParams p = mParams;
RefPtr<DeviceStorageFile> dsf =
new DeviceStorageFile(p.type(), p.storageName());
DebugOnly<nsresult> rv = NS_DispatchToMainThread(
new PostFormatResultEvent(this, dsf.forget()));
MOZ_ASSERT(NS_SUCCEEDED(rv));
return;
}
case DeviceStorageParams::TDeviceStorageMountParams:
{
DeviceStorageMountParams p = mParams;
RefPtr<DeviceStorageFile> dsf =
new DeviceStorageFile(p.type(), p.storageName());
DebugOnly<nsresult> rv = NS_DispatchToMainThread(
new PostMountResultEvent(this, dsf.forget()));
MOZ_ASSERT(NS_SUCCEEDED(rv));
return;
}
case DeviceStorageParams::TDeviceStorageUnmountParams:
{
DeviceStorageUnmountParams p = mParams;
RefPtr<DeviceStorageFile> dsf =
new DeviceStorageFile(p.type(), p.storageName());
DebugOnly<nsresult> rv = NS_DispatchToMainThread(
new PostUnmountResultEvent(this, dsf.forget()));
MOZ_ASSERT(NS_SUCCEEDED(rv));
return;
}
case DeviceStorageParams::TDeviceStorageEnumerationParams:
{
DeviceStorageEnumerationParams p = mParams;
RefPtr<DeviceStorageFile> dsf
= new DeviceStorageFile(p.type(), p.storageName(),
p.rootdir(), NS_LITERAL_STRING(""));
r = new EnumerateFileEvent(this, dsf.forget(), p.since());
break;
}
default:
{
NS_RUNTIMEABORT("not reached");
return;
}
}
if (r) {
nsCOMPtr<nsIEventTarget> target =
do_GetService(NS_STREAMTRANSPORTSERVICE_CONTRACTID);
MOZ_ASSERT(target);
target->Dispatch(r.forget(), NS_DISPATCH_NORMAL);
}
}
bool
DeviceStorageRequestParent::EnsureRequiredPermissions(
mozilla::dom::ContentParent* aParent)
{
if (mozilla::Preferences::GetBool("device.storage.testing", false)) {
return true;
}
nsString type;
DeviceStorageRequestType requestType;
switch (mParams.type())
{
case DeviceStorageParams::TDeviceStorageAddParams:
{
DeviceStorageAddParams p = mParams;
type = p.type();
requestType = DEVICE_STORAGE_REQUEST_CREATE;
break;
}
case DeviceStorageParams::TDeviceStorageAppendParams:
{
DeviceStorageAppendParams p = mParams;
type = p.type();
requestType = DEVICE_STORAGE_REQUEST_APPEND;
break;
}
case DeviceStorageParams::TDeviceStorageCreateFdParams:
{
DeviceStorageCreateFdParams p = mParams;
type = p.type();
requestType = DEVICE_STORAGE_REQUEST_CREATEFD;
break;
}
case DeviceStorageParams::TDeviceStorageGetParams:
{
DeviceStorageGetParams p = mParams;
type = p.type();
requestType = DEVICE_STORAGE_REQUEST_READ;
break;
}
case DeviceStorageParams::TDeviceStorageDeleteParams:
{
DeviceStorageDeleteParams p = mParams;
type = p.type();
requestType = DEVICE_STORAGE_REQUEST_DELETE;
break;
}
case DeviceStorageParams::TDeviceStorageFreeSpaceParams:
{
DeviceStorageFreeSpaceParams p = mParams;
type = p.type();
requestType = DEVICE_STORAGE_REQUEST_FREE_SPACE;
break;
}
case DeviceStorageParams::TDeviceStorageUsedSpaceParams:
{
DeviceStorageUsedSpaceParams p = mParams;
type = p.type();
requestType = DEVICE_STORAGE_REQUEST_FREE_SPACE;
break;
}
case DeviceStorageParams::TDeviceStorageAvailableParams:
{
DeviceStorageAvailableParams p = mParams;
type = p.type();
requestType = DEVICE_STORAGE_REQUEST_AVAILABLE;
break;
}
case DeviceStorageParams::TDeviceStorageStatusParams:
{
DeviceStorageStatusParams p = mParams;
type = p.type();
requestType = DEVICE_STORAGE_REQUEST_STATUS;
break;
}
case DeviceStorageParams::TDeviceStorageFormatParams:
{
DeviceStorageFormatParams p = mParams;
type = p.type();
requestType = DEVICE_STORAGE_REQUEST_FORMAT;
break;
}
case DeviceStorageParams::TDeviceStorageMountParams:
{
DeviceStorageMountParams p = mParams;
type = p.type();
requestType = DEVICE_STORAGE_REQUEST_MOUNT;
break;
}
case DeviceStorageParams::TDeviceStorageUnmountParams:
{
DeviceStorageUnmountParams p = mParams;
type = p.type();
requestType = DEVICE_STORAGE_REQUEST_UNMOUNT;
break;
}
case DeviceStorageParams::TDeviceStorageEnumerationParams:
{
DeviceStorageEnumerationParams p = mParams;
type = p.type();
requestType = DEVICE_STORAGE_REQUEST_READ;
break;
}
default:
{
return false;
}
}
// The 'apps' type is special. We only want this exposed
// if the caller has the "webapps-manage" permission.
if (type.EqualsLiteral("apps")) {
if (!AssertAppProcessPermission(aParent, "webapps-manage")) {
return false;
}
}
nsAutoCString permissionName;
nsresult rv = DeviceStorageTypeChecker::GetPermissionForType(type,
permissionName);
if (NS_FAILED(rv)) {
return false;
}
nsCString access;
rv = DeviceStorageTypeChecker::GetAccessForRequest(requestType, access);
if (NS_FAILED(rv)) {
return false;
}
permissionName.Append('-');
permissionName.Append(access);
if (!AssertAppProcessPermission(aParent, permissionName.get())) {
return false;
}
return true;
}
DeviceStorageRequestParent::~DeviceStorageRequestParent()
{
MOZ_COUNT_DTOR(DeviceStorageRequestParent);
}
NS_IMPL_ADDREF(DeviceStorageRequestParent)
NS_IMPL_RELEASE(DeviceStorageRequestParent)
void
DeviceStorageRequestParent::ActorDestroy(ActorDestroyReason)
{
MutexAutoLock lock(mMutex);
mActorDestroyed = true;
for (auto& runnable : mRunnables) {
runnable->Cancel();
}
// Ensure we clear all references to the runnables so that there won't
// be leak due to cyclic reference. Note that it is safe to release
// the references here, since if a runnable is not cancelled yet, the
// corresponding thread should still hold a reference to it, and thus
// the runnable will end up being released in that thread, not here.
mRunnables.Clear();
}
DeviceStorageRequestParent::PostFreeSpaceResultEvent::PostFreeSpaceResultEvent(
DeviceStorageRequestParent* aParent,
uint64_t aFreeSpace)
: CancelableRunnable(aParent)
, mFreeSpace(aFreeSpace)
{
}
DeviceStorageRequestParent::PostFreeSpaceResultEvent::
~PostFreeSpaceResultEvent() {}
nsresult
DeviceStorageRequestParent::PostFreeSpaceResultEvent::CancelableRun() {
MOZ_ASSERT(NS_IsMainThread());
FreeSpaceStorageResponse response(mFreeSpace);
Unused << mParent->Send__delete__(mParent, response);
return NS_OK;
}
nsresult
DeviceStorageRequestParent::PostUsedSpaceResultEvent::CancelableRun() {
MOZ_ASSERT(NS_IsMainThread());
UsedSpaceStorageResponse response(mUsedSpace);
Unused << mParent->Send__delete__(mParent, response);
return NS_OK;
}
DeviceStorageRequestParent::PostErrorEvent::
PostErrorEvent(DeviceStorageRequestParent* aParent, const char* aError)
: CancelableRunnable(aParent)
{
CopyASCIItoUTF16(aError, mError);
}
nsresult
DeviceStorageRequestParent::PostErrorEvent::CancelableRun() {
MOZ_ASSERT(NS_IsMainThread());
ErrorResponse response(mError);
Unused << mParent->Send__delete__(mParent, response);
return NS_OK;
}
nsresult
DeviceStorageRequestParent::PostSuccessEvent::CancelableRun() {
MOZ_ASSERT(NS_IsMainThread());
SuccessResponse response;
Unused << mParent->Send__delete__(mParent, response);
return NS_OK;
}
nsresult
DeviceStorageRequestParent::PostBlobSuccessEvent::CancelableRun() {
MOZ_ASSERT(NS_IsMainThread());
nsString mime;
CopyASCIItoUTF16(mMimeType, mime);
nsString fullPath;
mFile->GetFullPath(fullPath);
RefPtr<BlobImpl> blob =
new BlobImplFile(fullPath, mime, mLength, mFile->mFile,
mLastModificationDate);
ContentParent* cp = static_cast<ContentParent*>(mParent->Manager());
BlobParent* actor = cp->GetOrCreateActorForBlobImpl(blob);
if (!actor) {
ErrorResponse response(NS_LITERAL_STRING(POST_ERROR_EVENT_UNKNOWN));
Unused << mParent->Send__delete__(mParent, response);
return NS_OK;
}
BlobResponse response;
response.blobParent() = actor;
Unused << mParent->Send__delete__(mParent, response);
return NS_OK;
}
nsresult
DeviceStorageRequestParent::PostEnumerationSuccessEvent::CancelableRun() {
MOZ_ASSERT(NS_IsMainThread());
EnumerationResponse response(mStorageType, mRelPath, mPaths);
Unused << mParent->Send__delete__(mParent, response);
return NS_OK;
}
nsresult
DeviceStorageRequestParent::CreateFdEvent::CancelableRun()
{
MOZ_ASSERT(!NS_IsMainThread());
if (!mFile->mFile) {
return NS_DispatchToMainThread(
new PostErrorEvent(mParent, POST_ERROR_EVENT_UNKNOWN));
}
bool check = false;
mFile->mFile->Exists(&check);
if (check) {
return NS_DispatchToMainThread(
new PostErrorEvent(mParent, POST_ERROR_EVENT_FILE_EXISTS));
}
nsCOMPtr<nsIRunnable> r;
FileDescriptor fileDescriptor;
nsresult rv = mFile->CreateFileDescriptor(fileDescriptor);
if (NS_FAILED(rv)) {
NS_WARNING("CreateFileDescriptor failed");
mFile->Dump("CreateFileDescriptor failed");
r = new PostErrorEvent(mParent, POST_ERROR_EVENT_UNKNOWN);
}
else {
r = new PostFileDescriptorResultEvent(mParent, fileDescriptor);
}
return NS_DispatchToMainThread(r.forget());
}
nsresult
DeviceStorageRequestParent::WriteFileEvent::CancelableRun()
{
MOZ_ASSERT(!NS_IsMainThread());
if (!mInputStream || !mFile->mFile) {
return NS_DispatchToMainThread(
new PostErrorEvent(mParent, POST_ERROR_EVENT_UNKNOWN));
}
bool check = false;
nsresult rv;
mFile->mFile->Exists(&check);
if (mRequestType == DEVICE_STORAGE_REQUEST_CREATE) {
if (check) {
return NS_DispatchToMainThread(
new PostErrorEvent(mParent, POST_ERROR_EVENT_FILE_EXISTS));
}
rv = mFile->Write(mInputStream);
} else if (mRequestType == DEVICE_STORAGE_REQUEST_APPEND) {
if (!check) {
return NS_DispatchToMainThread(
new PostErrorEvent(mParent, POST_ERROR_EVENT_FILE_DOES_NOT_EXIST));
}
rv = mFile->Append(mInputStream);
} else {
return NS_DispatchToMainThread(
new PostErrorEvent(mParent, POST_ERROR_EVENT_UNKNOWN));
}
nsCOMPtr<nsIRunnable> r;
if (NS_FAILED(rv)) {
r = new PostErrorEvent(mParent, POST_ERROR_EVENT_UNKNOWN);
}
else {
r = new PostPathResultEvent(mParent, mFile->mPath);
}
return NS_DispatchToMainThread(r.forget());
}
nsresult
DeviceStorageRequestParent::DeleteFileEvent::CancelableRun()
{
MOZ_ASSERT(!NS_IsMainThread());
mFile->Remove();
if (!mFile->mFile) {
return NS_DispatchToMainThread(
new PostErrorEvent(mParent, POST_ERROR_EVENT_UNKNOWN));
}
nsCOMPtr<nsIRunnable> r;
bool check = false;
mFile->mFile->Exists(&check);
if (check) {
r = new PostErrorEvent(mParent, POST_ERROR_EVENT_UNKNOWN);
}
else {
r = new PostPathResultEvent(mParent, mFile->mPath);
}
return NS_DispatchToMainThread(r.forget());
}
nsresult
DeviceStorageRequestParent::FreeSpaceFileEvent::CancelableRun()
{
MOZ_ASSERT(!NS_IsMainThread());
int64_t freeSpace = 0;
if (mFile) {
mFile->GetStorageFreeSpace(&freeSpace);
}
return NS_DispatchToMainThread(
new PostFreeSpaceResultEvent(mParent, static_cast<uint64_t>(freeSpace)));
}
nsresult
DeviceStorageRequestParent::UsedSpaceFileEvent::CancelableRun()
{
MOZ_ASSERT(!NS_IsMainThread());
uint64_t picturesUsage = 0, videosUsage = 0, musicUsage = 0, totalUsage = 0;
mFile->AccumDiskUsage(&picturesUsage, &videosUsage,
&musicUsage, &totalUsage);
nsCOMPtr<nsIRunnable> r;
if (mFile->mStorageType.EqualsLiteral(DEVICESTORAGE_PICTURES)) {
r = new PostUsedSpaceResultEvent(mParent, mFile->mStorageType,
picturesUsage);
}
else if (mFile->mStorageType.EqualsLiteral(DEVICESTORAGE_VIDEOS)) {
r = new PostUsedSpaceResultEvent(mParent, mFile->mStorageType, videosUsage);
}
else if (mFile->mStorageType.EqualsLiteral(DEVICESTORAGE_MUSIC)) {
r = new PostUsedSpaceResultEvent(mParent, mFile->mStorageType, musicUsage);
} else {
r = new PostUsedSpaceResultEvent(mParent, mFile->mStorageType, totalUsage);
}
return NS_DispatchToMainThread(r.forget());
}
DeviceStorageRequestParent::ReadFileEvent::
ReadFileEvent(DeviceStorageRequestParent* aParent,
already_AddRefed<DeviceStorageFile>&& aFile)
: CancelableFileEvent(aParent, Move(aFile))
{
nsCOMPtr<nsIMIMEService> mimeService
= do_GetService(NS_MIMESERVICE_CONTRACTID);
if (mimeService) {
nsresult rv = mimeService->GetTypeFromFile(mFile->mFile, mMimeType);
if (NS_FAILED(rv)) {
mMimeType.Truncate();
}
}
}
nsresult
DeviceStorageRequestParent::ReadFileEvent::CancelableRun()
{
MOZ_ASSERT(!NS_IsMainThread());
if (!mFile->mFile) {
return NS_DispatchToMainThread(
new PostErrorEvent(mParent, POST_ERROR_EVENT_UNKNOWN));
}
bool check = false;
mFile->mFile->Exists(&check);
if (!check) {
return NS_DispatchToMainThread(
new PostErrorEvent(mParent, POST_ERROR_EVENT_FILE_DOES_NOT_EXIST));
}
int64_t fileSize;
nsresult rv = mFile->mFile->GetFileSize(&fileSize);
if (NS_FAILED(rv)) {
return NS_DispatchToMainThread(
new PostErrorEvent(mParent, POST_ERROR_EVENT_UNKNOWN));
}
PRTime modDate;
rv = mFile->mFile->GetLastModifiedTime(&modDate);
if (NS_FAILED(rv)) {
return NS_DispatchToMainThread(
new PostErrorEvent(mParent, POST_ERROR_EVENT_UNKNOWN));
}
return NS_DispatchToMainThread(
new PostBlobSuccessEvent(mParent, mFile.forget(),
static_cast<uint64_t>(fileSize),
mMimeType, modDate));
}
nsresult
DeviceStorageRequestParent::EnumerateFileEvent::CancelableRun()
{
MOZ_ASSERT(!NS_IsMainThread());
if (mFile->mFile) {
bool check = false;
mFile->mFile->Exists(&check);
if (!check) {
return NS_DispatchToMainThread(
new PostErrorEvent(mParent, POST_ERROR_EVENT_FILE_DOES_NOT_EXIST));
}
}
nsTArray<RefPtr<DeviceStorageFile> > files;
mFile->CollectFiles(files, mSince);
InfallibleTArray<DeviceStorageFileValue> values;
uint32_t count = files.Length();
for (uint32_t i = 0; i < count; i++) {
DeviceStorageFileValue dsvf(files[i]->mStorageName, files[i]->mPath);
values.AppendElement(dsvf);
}
return NS_DispatchToMainThread(
new PostEnumerationSuccessEvent(mParent, mFile->mStorageType,
mFile->mRootDir, values));
}
nsresult
DeviceStorageRequestParent::PostPathResultEvent::CancelableRun()
{
MOZ_ASSERT(NS_IsMainThread());
SuccessResponse response;
Unused << mParent->Send__delete__(mParent, response);
return NS_OK;
}
nsresult
DeviceStorageRequestParent::PostFileDescriptorResultEvent::CancelableRun()
{
MOZ_ASSERT(NS_IsMainThread());
FileDescriptorResponse response(mFileDescriptor);
Unused << mParent->Send__delete__(mParent, response);
return NS_OK;
}
nsresult
DeviceStorageRequestParent::PostFormatResultEvent::CancelableRun()
{
MOZ_ASSERT(NS_IsMainThread());
nsString state = NS_LITERAL_STRING("unavailable");
if (mFile) {
mFile->DoFormat(state);
}
FormatStorageResponse response(state);
Unused << mParent->Send__delete__(mParent, response);
return NS_OK;
}
nsresult
DeviceStorageRequestParent::PostMountResultEvent::CancelableRun()
{
MOZ_ASSERT(NS_IsMainThread());
nsString state = NS_LITERAL_STRING("unavailable");
if (mFile) {
mFile->DoMount(state);
}
MountStorageResponse response(state);
Unused << mParent->Send__delete__(mParent, response);
return NS_OK;
}
nsresult
DeviceStorageRequestParent::PostUnmountResultEvent::CancelableRun()
{
MOZ_ASSERT(NS_IsMainThread());
nsString state = NS_LITERAL_STRING("unavailable");
if (mFile) {
mFile->DoUnmount(state);
}
UnmountStorageResponse response(state);
Unused << mParent->Send__delete__(mParent, response);
return NS_OK;
}
} // namespace devicestorage
} // namespace dom
} // namespace mozilla