gecko-dev/dom/url/URLMainThread.cpp

105 lines
3.2 KiB
C++

/* -*- 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 {
namespace 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::IsValidURL(const GlobalObject& aGlobal,
const nsAString& aURL, ErrorResult& aRv) {
MOZ_ASSERT(NS_IsMainThread());
NS_LossyConvertUTF16toASCII asciiurl(aURL);
return BlobURLProtocolHandler::HasDataEntry(asciiurl);
}
} // namespace dom
} // namespace mozilla