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-rw-r--r--dom/cache/CacheStorageParent.cpp125
1 files changed, 125 insertions, 0 deletions
diff --git a/dom/cache/CacheStorageParent.cpp b/dom/cache/CacheStorageParent.cpp
new file mode 100644
index 0000000000..5a7c5774cb
--- /dev/null
+++ b/dom/cache/CacheStorageParent.cpp
@@ -0,0 +1,125 @@
+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim: set ts=8 sts=2 et sw=2 tw=80: */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#include "mozilla/dom/cache/CacheStorageParent.h"
+
+#include "mozilla/Unused.h"
+#include "mozilla/dom/cache/ActorUtils.h"
+#include "mozilla/dom/cache/CacheOpParent.h"
+#include "mozilla/dom/cache/ManagerId.h"
+#include "mozilla/dom/quota/QuotaManager.h"
+#include "mozilla/ipc/PBackgroundParent.h"
+
+namespace mozilla::dom::cache {
+
+using mozilla::dom::quota::QuotaManager;
+using mozilla::ipc::PBackgroundParent;
+using mozilla::ipc::PrincipalInfo;
+
+// declared in ActorUtils.h
+already_AddRefed<PCacheStorageParent> AllocPCacheStorageParent(
+ PBackgroundParent* aManagingActor, Namespace aNamespace,
+ const mozilla::ipc::PrincipalInfo& aPrincipalInfo) {
+ if (NS_WARN_IF(!QuotaManager::IsPrincipalInfoValid(aPrincipalInfo))) {
+ MOZ_ASSERT(false);
+ return nullptr;
+ }
+
+ return MakeAndAddRef<CacheStorageParent>(aManagingActor, aNamespace,
+ aPrincipalInfo);
+}
+
+// declared in ActorUtils.h
+void DeallocPCacheStorageParent(PCacheStorageParent* aActor) { delete aActor; }
+
+CacheStorageParent::CacheStorageParent(PBackgroundParent* aManagingActor,
+ Namespace aNamespace,
+ const PrincipalInfo& aPrincipalInfo)
+ : mNamespace(aNamespace), mVerifiedStatus(NS_OK) {
+ MOZ_COUNT_CTOR(cache::CacheStorageParent);
+ MOZ_DIAGNOSTIC_ASSERT(aManagingActor);
+
+ // Start the async principal verification process immediately.
+ mVerifier = PrincipalVerifier::CreateAndDispatch(*this, aManagingActor,
+ aPrincipalInfo);
+ MOZ_DIAGNOSTIC_ASSERT(mVerifier);
+}
+
+CacheStorageParent::~CacheStorageParent() {
+ MOZ_COUNT_DTOR(cache::CacheStorageParent);
+ MOZ_DIAGNOSTIC_ASSERT(!mVerifier);
+}
+
+void CacheStorageParent::ActorDestroy(ActorDestroyReason aReason) {
+ if (mVerifier) {
+ mVerifier->RemoveListener(*this);
+ mVerifier = nullptr;
+ }
+}
+
+PCacheOpParent* CacheStorageParent::AllocPCacheOpParent(
+ const CacheOpArgs& aOpArgs) {
+ if (aOpArgs.type() != CacheOpArgs::TStorageMatchArgs &&
+ aOpArgs.type() != CacheOpArgs::TStorageHasArgs &&
+ aOpArgs.type() != CacheOpArgs::TStorageOpenArgs &&
+ aOpArgs.type() != CacheOpArgs::TStorageDeleteArgs &&
+ aOpArgs.type() != CacheOpArgs::TStorageKeysArgs) {
+ MOZ_CRASH("Invalid operation sent to CacheStorage actor!");
+ }
+
+ return new CacheOpParent(Manager(), mNamespace, aOpArgs);
+}
+
+bool CacheStorageParent::DeallocPCacheOpParent(PCacheOpParent* aActor) {
+ delete aActor;
+ return true;
+}
+
+mozilla::ipc::IPCResult CacheStorageParent::RecvPCacheOpConstructor(
+ PCacheOpParent* aActor, const CacheOpArgs& aOpArgs) {
+ auto actor = static_cast<CacheOpParent*>(aActor);
+
+ if (mVerifier) {
+ MOZ_DIAGNOSTIC_ASSERT(!mManagerId);
+ actor->WaitForVerification(mVerifier);
+ return IPC_OK();
+ }
+
+ if (NS_WARN_IF(NS_FAILED(mVerifiedStatus))) {
+ ErrorResult result(mVerifiedStatus);
+
+ QM_WARNONLY_TRY(OkIf(
+ CacheOpParent::Send__delete__(actor, std::move(result), void_t())));
+ return IPC_OK();
+ }
+
+ MOZ_DIAGNOSTIC_ASSERT(mManagerId);
+ actor->Execute(mManagerId);
+ return IPC_OK();
+}
+
+mozilla::ipc::IPCResult CacheStorageParent::RecvTeardown() {
+ // If child process is gone, warn and allow actor to clean up normally
+ QM_WARNONLY_TRY(OkIf(Send__delete__(this)));
+ return IPC_OK();
+}
+
+void CacheStorageParent::OnPrincipalVerified(
+ nsresult aRv, const SafeRefPtr<ManagerId>& aManagerId) {
+ MOZ_DIAGNOSTIC_ASSERT(mVerifier);
+ MOZ_DIAGNOSTIC_ASSERT(!mManagerId);
+ MOZ_DIAGNOSTIC_ASSERT(NS_SUCCEEDED(mVerifiedStatus));
+
+ if (NS_WARN_IF(NS_FAILED(aRv))) {
+ mVerifiedStatus = aRv;
+ }
+
+ mManagerId = aManagerId.clonePtr();
+ mVerifier->RemoveListener(*this);
+ mVerifier = nullptr;
+}
+
+} // namespace mozilla::dom::cache