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/*
* Copyright (C) 2021 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 "WebPermissionController.h"
#include "MessageSenderInlines.h"
#include "WebPage.h"
#include "WebPageProxyMessages.h"
#include "WebPermissionControllerMessages.h"
#include "WebPermissionControllerProxyMessages.h"
#include "WebProcess.h"
#include <WebCore/DeprecatedGlobalSettings.h>
#include <WebCore/Document.h>
#include <WebCore/Page.h>
#include <WebCore/PermissionObserver.h>
#include <WebCore/PermissionQuerySource.h>
#include <WebCore/PermissionState.h>
#include <WebCore/Permissions.h>
#include <WebCore/SecurityOriginData.h>
#include <optional>
#if ENABLE(WEB_PUSH_NOTIFICATIONS)
#include "NetworkProcessConnection.h"
#include "NotificationManagerMessageHandlerMessages.h"
#include <WebCore/PushPermissionState.h>
#endif
namespace WebKit {
Ref<WebPermissionController> WebPermissionController::create(WebProcess& process)
{
return adoptRef(*new WebPermissionController(process));
}
WebPermissionController::WebPermissionController(WebProcess& process)
{
process.addMessageReceiver(Messages::WebPermissionController::messageReceiverName(), *this);
}
WebPermissionController::~WebPermissionController()
{
WebProcess::singleton().removeMessageReceiver(Messages::WebPermissionController::messageReceiverName());
}
void WebPermissionController::query(WebCore::ClientOrigin&& origin, WebCore::PermissionDescriptor descriptor, const WeakPtr<WebCore::Page>& page, WebCore::PermissionQuerySource source, CompletionHandler<void(std::optional<WebCore::PermissionState>)>&& completionHandler)
{
#if ENABLE(WEB_PUSH_NOTIFICATIONS)
if (DeprecatedGlobalSettings::builtInNotificationsEnabled() && (descriptor.name == PermissionName::Notifications || descriptor.name == PermissionName::Push)) {
Ref connection = WebProcess::singleton().ensureNetworkProcessConnection().connection();
auto notificationPermissionHandler = [completionHandler = WTFMove(completionHandler)](WebCore::PushPermissionState pushPermissionState) mutable {
auto state = [pushPermissionState]() -> WebCore::PermissionState {
switch (pushPermissionState) {
case WebCore::PushPermissionState::Granted: return WebCore::PermissionState::Granted;
case WebCore::PushPermissionState::Denied: return WebCore::PermissionState::Denied;
case WebCore::PushPermissionState::Prompt: return WebCore::PermissionState::Prompt;
default: RELEASE_ASSERT_NOT_REACHED();
}
}();
completionHandler(state);
};
connection->sendWithAsyncReply(Messages::NotificationManagerMessageHandler::GetPermissionState(origin.clientOrigin), WTFMove(notificationPermissionHandler), WebProcess::singleton().sessionID().toUInt64());
return;
}
#endif
std::optional<WebPageProxyIdentifier> proxyIdentifier;
if (source == WebCore::PermissionQuerySource::Window || source == WebCore::PermissionQuerySource::DedicatedWorker) {
ASSERT(page);
proxyIdentifier = WebPage::fromCorePage(*page)->webPageProxyIdentifier();
}
WebProcess::singleton().sendWithAsyncReply(Messages::WebPermissionControllerProxy::Query(origin, descriptor, proxyIdentifier, source), WTFMove(completionHandler));
}
void WebPermissionController::addObserver(WebCore::PermissionObserver& observer)
{
m_observers.add(observer);
}
void WebPermissionController::removeObserver(WebCore::PermissionObserver& observer)
{
m_observers.remove(observer);
}
void WebPermissionController::permissionChanged(WebCore::PermissionName permissionName, const WebCore::SecurityOriginData& topOrigin)
{
ASSERT(isMainRunLoop());
for (auto& observer : m_observers) {
if (observer.descriptor().name != permissionName || observer.origin().topOrigin != topOrigin)
return;
auto source = observer.source();
if (!observer.page() && (source == WebCore::PermissionQuerySource::Window || source == WebCore::PermissionQuerySource::DedicatedWorker))
return;
query(WebCore::ClientOrigin { observer.origin() }, WebCore::PermissionDescriptor { permissionName }, observer.page(), source, [observer = WeakPtr { observer }](auto newState) {
if (observer && newState != observer->currentState())
observer->stateChanged(*newState);
});
}
}
} // namespace WebKit
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