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-rw-r--r--dom/cache/ManagerId.cpp60
1 files changed, 60 insertions, 0 deletions
diff --git a/dom/cache/ManagerId.cpp b/dom/cache/ManagerId.cpp
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index 0000000000..e83e9163c5
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+++ b/dom/cache/ManagerId.cpp
@@ -0,0 +1,60 @@
+/* -*- 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/ManagerId.h"
+
+#include "CacheCommon.h"
+
+#include "mozilla/dom/quota/QuotaManager.h"
+#include "nsIPrincipal.h"
+#include "nsProxyRelease.h"
+#include "mozilla/RefPtr.h"
+#include "nsThreadUtils.h"
+
+namespace mozilla::dom::cache {
+
+using mozilla::dom::quota::QuotaManager;
+
+// static
+Result<SafeRefPtr<ManagerId>, nsresult> ManagerId::Create(
+ nsIPrincipal* aPrincipal) {
+ MOZ_ASSERT(NS_IsMainThread());
+
+ // QuotaManager::GetOriginFromPrincipal() has special logic for system
+ // and about: principals. We need to use the same modified origin in
+ // order to interpret calls from QM correctly.
+ QM_TRY_INSPECT(const auto& quotaOrigin,
+ QuotaManager::GetOriginFromPrincipal(aPrincipal));
+
+ return MakeSafeRefPtr<ManagerId>(aPrincipal, quotaOrigin, ConstructorGuard{});
+}
+
+already_AddRefed<nsIPrincipal> ManagerId::Principal() const {
+ MOZ_ASSERT(NS_IsMainThread());
+ nsCOMPtr<nsIPrincipal> ref = mPrincipal;
+ return ref.forget();
+}
+
+ManagerId::ManagerId(nsIPrincipal* aPrincipal, const nsACString& aQuotaOrigin,
+ ConstructorGuard)
+ : mPrincipal(aPrincipal), mQuotaOrigin(aQuotaOrigin) {
+ MOZ_DIAGNOSTIC_ASSERT(mPrincipal);
+}
+
+ManagerId::~ManagerId() {
+ // If we're already on the main thread, then default destruction is fine
+ if (NS_IsMainThread()) {
+ return;
+ }
+
+ // Otherwise we need to proxy to main thread to do the release
+
+ // The PBackground worker thread shouldn't be running after the main thread
+ // is stopped. So main thread is guaranteed to exist here.
+ NS_ReleaseOnMainThread("ManagerId::mPrincipal", mPrincipal.forget());
+}
+
+} // namespace mozilla::dom::cache