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