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/*
* Copyright (C) 2022 Apple Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
* THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "config.h"
#include "WebExtensionContextProxy.h"
#if ENABLE(WK_WEB_EXTENSIONS)
#include "JSWebExtensionAPINamespace.h"
#include "JSWebExtensionWrapper.h"
#include "WebExtensionContextMessages.h"
#include "WebExtensionContextProxyMessages.h"
#include "WebFrame.h"
#include "WebPage.h"
#include <wtf/HashMap.h>
#include <wtf/NeverDestroyed.h>
namespace WebKit {
using namespace WebCore;
static HashMap<WebExtensionContextIdentifier, WeakPtr<WebExtensionContextProxy>>& webExtensionContextProxies()
{
static MainThreadNeverDestroyed<HashMap<WebExtensionContextIdentifier, WeakPtr<WebExtensionContextProxy>>> contexts;
return contexts;
}
RefPtr<WebExtensionContextProxy> WebExtensionContextProxy::get(WebExtensionContextIdentifier identifier)
{
return webExtensionContextProxies().get(identifier).get();
}
Ref<WebExtensionContextProxy> WebExtensionContextProxy::getOrCreate(const WebExtensionContextParameters& parameters)
{
auto updateProperties = [&](WebExtensionContextProxy& context) {
context.m_baseURL = parameters.baseURL;
context.m_uniqueIdentifier = parameters.uniqueIdentifier;
context.m_manifest = parseManifest(parameters.manifestJSON.get());
context.m_manifestVersion = parameters.manifestVersion;
context.m_testingMode = parameters.testingMode;
};
if (auto context = webExtensionContextProxies().get(parameters.identifier)) {
updateProperties(*context);
return *context;
}
auto result = adoptRef(new WebExtensionContextProxy(parameters));
updateProperties(*result);
return result.releaseNonNull();
}
WebExtensionContextProxy::WebExtensionContextProxy(const WebExtensionContextParameters& parameters)
: m_identifier(parameters.identifier)
{
ASSERT(!webExtensionContextProxies().contains(m_identifier));
webExtensionContextProxies().add(m_identifier, this);
WebProcess::singleton().addMessageReceiver(Messages::WebExtensionContextProxy::messageReceiverName(), m_identifier, *this);
}
WebExtensionContextProxy::~WebExtensionContextProxy()
{
WebProcess::singleton().removeMessageReceiver(Messages::WebExtensionContextProxy::messageReceiverName(), m_identifier);
}
void WebExtensionContextProxy::addFrameWithExtensionContent(WebFrame& frame)
{
m_extensionContentFrames.add(frame);
}
void WebExtensionContextProxy::enumerateNamespaceObjects(const Function<void(WebExtensionAPINamespace&)>& function, DOMWrapperWorld& world)
{
for (auto& frame : m_extensionContentFrames) {
auto* page = frame.page() ? frame.page()->corePage() : nullptr;
if (!page)
continue;
auto context = page->isServiceWorkerPage() ? frame.jsContextForServiceWorkerWorld(world) : frame.jsContextForWorld(world);
auto globalObject = JSContextGetGlobalObject(context);
auto namespaceObject = JSObjectGetProperty(context, globalObject, toJSString("browser").get(), nullptr);
if (!namespaceObject || !JSValueIsObject(context, namespaceObject))
continue;
auto* namespaceObjectImpl = toWebExtensionAPINamespace(context, namespaceObject);
if (!namespaceObjectImpl)
continue;
function(*namespaceObjectImpl);
}
}
} // namespace WebKit
#endif // ENABLE(WK_WEB_EXTENSIONS)
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