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/*
* Copyright (C) 2021 Igalia S.L.
*
* 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 "MediaKeySystemRequest.h"
#if ENABLE(ENCRYPTED_MEDIA)
#include "DocumentInlines.h"
#include "FrameInlines.h"
#include "JSDOMPromiseDeferred.h"
#include "JSMediaKeySystemAccess.h"
#include "LocalFrame.h"
#include "Logging.h"
#include "MediaKeySystemController.h"
#include "Page.h"
#include "PlatformMediaSessionManager.h"
#include "Settings.h"
#include "WindowEventLoop.h"
namespace WebCore {
Ref<MediaKeySystemRequest> MediaKeySystemRequest::create(Document& document, const String& keySystem, RefPtr<DeferredPromise>&& promise)
{
auto result = adoptRef(*new MediaKeySystemRequest(document, keySystem, WTFMove(promise)));
result->suspendIfNeeded();
return result;
}
MediaKeySystemRequest::MediaKeySystemRequest(Document& document, const String& keySystem, RefPtr<DeferredPromise>&& promise)
: ActiveDOMObject(document)
, m_keySystem(keySystem)
, m_promise(WTFMove(promise))
{
}
MediaKeySystemRequest::~MediaKeySystemRequest()
{
if (m_allowCompletionHandler)
m_allowCompletionHandler({ }, WTFMove(m_promise));
}
SecurityOrigin* MediaKeySystemRequest::topLevelDocumentOrigin() const
{
RefPtr context = scriptExecutionContext();
return context ? &context->topOrigin() : nullptr;
}
void MediaKeySystemRequest::start()
{
RefPtr document = this->document();
ASSERT(document);
if (!document) {
deny();
return;
}
auto* controller = MediaKeySystemController::from(document->protectedPage().get());
if (!controller) {
deny();
return;
}
controller->requestMediaKeySystem(*this);
}
void MediaKeySystemRequest::allow(String&& mediaKeysHashSalt)
{
if (!scriptExecutionContext())
return;
queueTaskKeepingObjectAlive(*this, TaskSource::UserInteraction, [mediaKeysHashSalt = WTFMove(mediaKeysHashSalt)](auto& request) mutable {
if (auto allowCompletionHandler = std::exchange(request.m_allowCompletionHandler, { }))
allowCompletionHandler(WTFMove(mediaKeysHashSalt), WTFMove(request.m_promise));
});
}
void MediaKeySystemRequest::deny(const String& message)
{
if (!scriptExecutionContext())
return;
RefPtr promise = m_promise;
if (!promise)
return;
ExceptionCode code = ExceptionCode::NotSupportedError;
if (!message.isEmpty())
promise->reject(code, message);
else
promise->reject(code);
}
void MediaKeySystemRequest::stop()
{
Ref document = *this->document();
if (auto* controller = MediaKeySystemController::from(document->protectedPage().get()))
controller->cancelMediaKeySystemRequest(*this);
}
Document* MediaKeySystemRequest::document() const
{
return downcast<Document>(scriptExecutionContext());
}
} // namespace WebCore
#endif // ENABLE(ENCRYPTED_MEDIA)
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