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			125 lines
		
	
	
	
		
			4 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			125 lines
		
	
	
	
		
			4 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
| /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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| /* vim: set ts=8 sts=2 et sw=2 tw=80: */
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| /* This Source Code Form is subject to the terms of the Mozilla Public
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|  * License, v. 2.0. If a copy of the MPL was not distributed with this
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|  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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| 
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| #include "mozilla/dom/cache/CacheStorageParent.h"
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| 
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| #include "mozilla/Unused.h"
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| #include "mozilla/dom/cache/ActorUtils.h"
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| #include "mozilla/dom/cache/CacheOpParent.h"
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| #include "mozilla/dom/cache/ManagerId.h"
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| #include "mozilla/dom/quota/QuotaManager.h"
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| #include "mozilla/ipc/PBackgroundParent.h"
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| 
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| namespace mozilla::dom::cache {
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| 
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| using mozilla::dom::quota::QuotaManager;
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| using mozilla::ipc::PBackgroundParent;
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| using mozilla::ipc::PrincipalInfo;
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| 
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| // declared in ActorUtils.h
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| already_AddRefed<PCacheStorageParent> AllocPCacheStorageParent(
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|     PBackgroundParent* aManagingActor, Namespace aNamespace,
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|     const mozilla::ipc::PrincipalInfo& aPrincipalInfo) {
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|   if (NS_WARN_IF(!QuotaManager::IsPrincipalInfoValid(aPrincipalInfo))) {
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|     MOZ_ASSERT(false);
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|     return nullptr;
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|   }
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| 
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|   return MakeAndAddRef<CacheStorageParent>(aManagingActor, aNamespace,
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|                                            aPrincipalInfo);
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| }
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| 
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| // declared in ActorUtils.h
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| void DeallocPCacheStorageParent(PCacheStorageParent* aActor) { delete aActor; }
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| 
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| CacheStorageParent::CacheStorageParent(PBackgroundParent* aManagingActor,
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|                                        Namespace aNamespace,
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|                                        const PrincipalInfo& aPrincipalInfo)
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|     : mNamespace(aNamespace), mVerifiedStatus(NS_OK) {
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|   MOZ_COUNT_CTOR(cache::CacheStorageParent);
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|   MOZ_DIAGNOSTIC_ASSERT(aManagingActor);
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| 
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|   // Start the async principal verification process immediately.
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|   mVerifier = PrincipalVerifier::CreateAndDispatch(*this, aManagingActor,
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|                                                    aPrincipalInfo);
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|   MOZ_DIAGNOSTIC_ASSERT(mVerifier);
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| }
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| 
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| CacheStorageParent::~CacheStorageParent() {
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|   MOZ_COUNT_DTOR(cache::CacheStorageParent);
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|   MOZ_DIAGNOSTIC_ASSERT(!mVerifier);
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| }
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| 
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| void CacheStorageParent::ActorDestroy(ActorDestroyReason aReason) {
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|   if (mVerifier) {
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|     mVerifier->RemoveListener(*this);
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|     mVerifier = nullptr;
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|   }
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| }
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| 
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| PCacheOpParent* CacheStorageParent::AllocPCacheOpParent(
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|     const CacheOpArgs& aOpArgs) {
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|   if (aOpArgs.type() != CacheOpArgs::TStorageMatchArgs &&
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|       aOpArgs.type() != CacheOpArgs::TStorageHasArgs &&
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|       aOpArgs.type() != CacheOpArgs::TStorageOpenArgs &&
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|       aOpArgs.type() != CacheOpArgs::TStorageDeleteArgs &&
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|       aOpArgs.type() != CacheOpArgs::TStorageKeysArgs) {
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|     MOZ_CRASH("Invalid operation sent to CacheStorage actor!");
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|   }
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| 
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|   return new CacheOpParent(Manager(), mNamespace, aOpArgs);
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| }
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| 
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| bool CacheStorageParent::DeallocPCacheOpParent(PCacheOpParent* aActor) {
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|   delete aActor;
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|   return true;
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| }
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| 
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| mozilla::ipc::IPCResult CacheStorageParent::RecvPCacheOpConstructor(
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|     PCacheOpParent* aActor, const CacheOpArgs& aOpArgs) {
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|   auto actor = static_cast<CacheOpParent*>(aActor);
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| 
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|   if (mVerifier) {
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|     MOZ_DIAGNOSTIC_ASSERT(!mManagerId);
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|     actor->WaitForVerification(mVerifier);
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|     return IPC_OK();
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|   }
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| 
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|   if (NS_WARN_IF(NS_FAILED(mVerifiedStatus))) {
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|     ErrorResult result(mVerifiedStatus);
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| 
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|     QM_WARNONLY_TRY(OkIf(
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|         CacheOpParent::Send__delete__(actor, std::move(result), void_t())));
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|     return IPC_OK();
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|   }
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| 
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|   MOZ_DIAGNOSTIC_ASSERT(mManagerId);
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|   actor->Execute(mManagerId);
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|   return IPC_OK();
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| }
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| 
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| mozilla::ipc::IPCResult CacheStorageParent::RecvTeardown() {
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|   // If child process is gone, warn and allow actor to clean up normally
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|   QM_WARNONLY_TRY(OkIf(Send__delete__(this)));
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|   return IPC_OK();
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| }
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| 
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| void CacheStorageParent::OnPrincipalVerified(
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|     nsresult aRv, const SafeRefPtr<ManagerId>& aManagerId) {
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|   MOZ_DIAGNOSTIC_ASSERT(mVerifier);
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|   MOZ_DIAGNOSTIC_ASSERT(!mManagerId);
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|   MOZ_DIAGNOSTIC_ASSERT(NS_SUCCEEDED(mVerifiedStatus));
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| 
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|   if (NS_WARN_IF(NS_FAILED(aRv))) {
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|     mVerifiedStatus = aRv;
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|   }
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| 
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|   mManagerId = aManagerId.clonePtr();
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|   mVerifier->RemoveListener(*this);
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|   mVerifier = nullptr;
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| }
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| 
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| }  // namespace mozilla::dom::cache
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