File: WindowOrWorkerGlobalScopeFetch.cpp

package info (click to toggle)
webkit2gtk 2.36.4-1~deb10u1
  • links: PTS, VCS
  • area: main
  • in suites: buster
  • size: 293,692 kB
  • sloc: cpp: 2,617,621; javascript: 191,348; ansic: 125,749; xml: 63,766; python: 34,562; ruby: 16,868; perl: 15,491; asm: 9,864; yacc: 2,324; sh: 2,018; lex: 1,319; java: 935; makefile: 183; pascal: 60
file content (80 lines) | stat: -rw-r--r-- 3,352 bytes parent folder | download
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
/*
 * 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 "CachedResourceRequestInitiators.h"
#include "DOMWindow.h"
#include "Document.h"
#include "EventLoop.h"
#include "FetchResponse.h"
#include "JSDOMPromiseDeferred.h"
#include "JSFetchResponse.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 }](auto&& result) mutable {
        scope->eventLoop().queueTask(TaskSource::Networking, [promise = WTFMove(promise), result = WTFMove(result)]() mutable {
            promise.settle(WTFMove(result));
        });
    }, cachedResourceRequestInitiators().fetch);
}

void WindowOrWorkerGlobalScopeFetch::fetch(DOMWindow& 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));
}

}