1 files changed, 102 insertions, 0 deletions
diff --git a/dom/url/URLMainThread.cpp b/dom/url/URLMainThread.cpp
new file mode 100644
index 0000000000..641e6d2a69
--- /dev/null
+++ b/dom/url/URLMainThread.cpp
@@ -0,0 +1,102 @@
+/* -*- 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 "URLMainThread.h"
+
+#include "mozilla/dom/BindingUtils.h"
+#include "mozilla/dom/Blob.h"
+#include "mozilla/dom/BlobURLProtocolHandler.h"
+#include "mozilla/Unused.h"
+#include "nsContentUtils.h"
+#include "nsNetUtil.h"
+#include "nsThreadUtils.h"
+
+namespace mozilla::dom {
+
+/* static */
+void URLMainThread::CreateObjectURL(const GlobalObject& aGlobal, Blob& aBlob,
+                                    nsAString& aResult, ErrorResult& aRv) {
+  MOZ_ASSERT(NS_IsMainThread());
+
+  nsCOMPtr<nsIGlobalObject> global = do_QueryInterface(aGlobal.GetAsSupports());
+  if (NS_WARN_IF(!global)) {
+    aRv.Throw(NS_ERROR_FAILURE);
+    return;
+  }
+
+  nsCOMPtr<nsIPrincipal> principal =
+      nsContentUtils::ObjectPrincipal(aGlobal.Get());
+
+  nsAutoCString url;
+  aRv = BlobURLProtocolHandler::AddDataEntry(aBlob.Impl(), principal,
+                                             global->GetAgentClusterId(), url);
+  if (NS_WARN_IF(aRv.Failed())) {
+    return;
+  }
+
+  global->RegisterHostObjectURI(url);
+  CopyASCIItoUTF16(url, aResult);
+}
+
+/* static */
+void URLMainThread::CreateObjectURL(const GlobalObject& aGlobal,
+                                    MediaSource& aSource, nsAString& aResult,
+                                    ErrorResult& aRv) {
+  MOZ_ASSERT(NS_IsMainThread());
+
+  nsCOMPtr<nsIGlobalObject> global = do_QueryInterface(aGlobal.GetAsSupports());
+  if (NS_WARN_IF(!global)) {
+    aRv.Throw(NS_ERROR_FAILURE);
+    return;
+  }
+
+  nsCOMPtr<nsIPrincipal> principal =
+      nsContentUtils::ObjectPrincipal(aGlobal.Get());
+
+  nsAutoCString url;
+  aRv = BlobURLProtocolHandler::AddDataEntry(&aSource, principal,
+                                             global->GetAgentClusterId(), url);
+  if (NS_WARN_IF(aRv.Failed())) {
+    return;
+  }
+
+  nsCOMPtr<nsIRunnable> revocation = NS_NewRunnableFunction(
+      "dom::URLMainThread::CreateObjectURL",
+      [url] { BlobURLProtocolHandler::RemoveDataEntry(url); });
+
+  nsContentUtils::RunInStableState(revocation.forget());
+
+  CopyASCIItoUTF16(url, aResult);
+}
+
+/* static */
+void URLMainThread::RevokeObjectURL(const GlobalObject& aGlobal,
+                                    const nsAString& aURL, ErrorResult& aRv) {
+  MOZ_ASSERT(NS_IsMainThread());
+  nsCOMPtr<nsIGlobalObject> global = do_QueryInterface(aGlobal.GetAsSupports());
+  if (!global) {
+    aRv.Throw(NS_ERROR_FAILURE);
+    return;
+  }
+
+  NS_LossyConvertUTF16toASCII asciiurl(aURL);
+
+  if (BlobURLProtocolHandler::RemoveDataEntry(
+          asciiurl, nsContentUtils::ObjectPrincipal(aGlobal.Get()),
+          global->GetAgentClusterId())) {
+    global->UnregisterHostObjectURI(asciiurl);
+  }
+}
+
+/* static */
+bool URLMainThread::IsValidObjectURL(const GlobalObject& aGlobal,
+                                     const nsAString& aURL, ErrorResult& aRv) {
+  MOZ_ASSERT(NS_IsMainThread());
+  NS_LossyConvertUTF16toASCII asciiurl(aURL);
+  return BlobURLProtocolHandler::HasDataEntry(asciiurl);
+}
+
+}  // namespace mozilla::dom