1 files changed, 91 insertions, 0 deletions
diff --git a/netwerk/protocol/http/ClassifierDummyChannelChild.cpp b/netwerk/protocol/http/ClassifierDummyChannelChild.cpp
new file mode 100644
index 0000000000..de96216b0e
--- /dev/null
+++ b/netwerk/protocol/http/ClassifierDummyChannelChild.cpp
@@ -0,0 +1,91 @@
+/* -*- 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 "ClassifierDummyChannelChild.h"
+#include "mozilla/ContentBlocking.h"
+#include "mozilla/ipc/BackgroundUtils.h"
+#include "mozilla/ipc/URIUtils.h"
+#include "nsIURI.h"
+
+namespace mozilla {
+namespace net {
+
+/* static */
+bool ClassifierDummyChannelChild::Create(
+    nsIHttpChannel* aChannel, nsIURI* aURI,
+    const std::function<void(bool)>& aCallback) {
+  MOZ_ASSERT(NS_IsMainThread());
+
+  MOZ_ASSERT(aChannel);
+  MOZ_ASSERT(aURI);
+
+  nsCOMPtr<nsIHttpChannelInternal> httpChannelInternal =
+      do_QueryInterface(aChannel);
+  if (!httpChannelInternal) {
+    // Any non-http channel is allowed.
+    return true;
+  }
+
+  nsCOMPtr<nsIURI> topWindowURI;
+  nsresult topWindowURIResult =
+      httpChannelInternal->GetTopWindowURI(getter_AddRefs(topWindowURI));
+
+  nsCOMPtr<nsILoadInfo> loadInfo = aChannel->LoadInfo();
+  Maybe<LoadInfoArgs> loadInfoArgs;
+  mozilla::ipc::LoadInfoToLoadInfoArgs(loadInfo, &loadInfoArgs);
+
+  PClassifierDummyChannelChild* actor =
+      gNeckoChild->SendPClassifierDummyChannelConstructor(
+          aURI, topWindowURI, topWindowURIResult, loadInfoArgs);
+  if (!actor) {
+    return false;
+  }
+
+  bool isThirdParty =
+      nsContentUtils::IsThirdPartyWindowOrChannel(nullptr, aChannel, aURI);
+
+  static_cast<ClassifierDummyChannelChild*>(actor)->Initialize(
+      aChannel, aURI, isThirdParty, aCallback);
+  return true;
+}
+
+ClassifierDummyChannelChild::ClassifierDummyChannelChild()
+    : mIsThirdParty(false) {}
+
+ClassifierDummyChannelChild::~ClassifierDummyChannelChild() = default;
+
+void ClassifierDummyChannelChild::Initialize(
+    nsIHttpChannel* aChannel, nsIURI* aURI, bool aIsThirdParty,
+    const std::function<void(bool)>& aCallback) {
+  MOZ_ASSERT(NS_IsMainThread());
+
+  mChannel = aChannel;
+  mURI = aURI;
+  mIsThirdParty = aIsThirdParty;
+  mCallback = aCallback;
+}
+
+mozilla::ipc::IPCResult ClassifierDummyChannelChild::Recv__delete__(
+    const uint32_t& aClassificationFlags) {
+  MOZ_ASSERT(NS_IsMainThread());
+
+  if (!mChannel) {
+    return IPC_OK();
+  }
+
+  nsCOMPtr<nsIHttpChannel> channel = std::move(mChannel);
+
+  RefPtr<HttpBaseChannel> httpChannel = do_QueryObject(channel);
+  httpChannel->AddClassificationFlags(aClassificationFlags, mIsThirdParty);
+
+  bool storageGranted =
+      ContentBlocking::ShouldAllowAccessFor(httpChannel, mURI, nullptr);
+  mCallback(storageGranted);
+  return IPC_OK();
+}
+
+}  // namespace net
+}  // namespace mozilla