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/*
* Copyright (C) 2020 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 "WindowOrWorkerGlobalScopeFetch.h"
#include "CachedResourceRequestInitiatorTypes.h"
#include "Document.h"
#include "EventLoop.h"
#include "FetchResponse.h"
#include "JSDOMPromiseDeferred.h"
#include "JSFetchResponse.h"
#include "LocalDOMWindow.h"
#include "UserGestureIndicator.h"
#include "WorkerGlobalScope.h"
namespace WebCore {
using FetchResponsePromise = DOMPromiseDeferred<IDLInterface<FetchResponse>>;
// https://fetch.spec.whatwg.org/#dom-global-fetch
static void doFetch(ScriptExecutionContext& scope, FetchRequest::Info&& input, FetchRequest::Init&& init, FetchResponsePromise&& promise)
{
auto requestOrException = FetchRequest::create(scope, WTFMove(input), WTFMove(init));
if (requestOrException.hasException()) {
promise.reject(requestOrException.releaseException());
return;
}
auto request = requestOrException.releaseReturnValue();
if (request->signal().aborted()) {
promise.reject(Exception { AbortError, "Request signal is aborted"_s });
return;
}
FetchResponse::fetch(scope, request.get(), [promise = WTFMove(promise), scope = Ref { scope }, userGestureToken = UserGestureIndicator::currentUserGesture()](auto&& result) mutable {
scope->eventLoop().queueTask(TaskSource::Networking, [promise = WTFMove(promise), userGestureToken = WTFMove(userGestureToken), result = WTFMove(result)]() mutable {
if (!userGestureToken || userGestureToken->hasExpired(UserGestureToken::maximumIntervalForUserGestureForwardingForFetch()) || !userGestureToken->processingUserGesture()) {
promise.settle(WTFMove(result));
return;
}
UserGestureIndicator gestureIndicator(userGestureToken, UserGestureToken::GestureScope::MediaOnly, UserGestureToken::IsPropagatedFromFetch::Yes);
promise.settle(WTFMove(result));
});
}, cachedResourceRequestInitiatorTypes().fetch);
}
void WindowOrWorkerGlobalScopeFetch::fetch(LocalDOMWindow& window, FetchRequest::Info&& input, FetchRequest::Init&& init, Ref<DeferredPromise>&& promise)
{
auto* document = window.document();
if (!document) {
promise->reject(InvalidStateError);
return;
}
doFetch(*document, WTFMove(input), WTFMove(init), WTFMove(promise));
}
void WindowOrWorkerGlobalScopeFetch::fetch(WorkerGlobalScope& scope, FetchRequest::Info&& input, FetchRequest::Init&& init, Ref<DeferredPromise>&& promise)
{
doFetch(scope, WTFMove(input), WTFMove(init), WTFMove(promise));
}
}
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