File: DownloadDecideDestinationCrash.cpp

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/*
 * Copyright (C) 2011 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"

#if WK_HAVE_C_SPI

#include "PlatformUtilities.h"
#include "PlatformWebView.h"
#include <WebKit/WKDownloadRef.h>

namespace TestWebKitAPI {

static bool didDecideDestination;

static void decidePolicyForNavigationResponse(WKPageRef, WKNavigationResponseRef, WKFramePolicyListenerRef listener, WKTypeRef, const void*)
{
    WKFramePolicyListenerDownload(listener);
}

static WKStringRef decideDestinationWithSuggestedFilename(WKDownloadRef download, WKURLResponseRef, WKStringRef, const void*)
{
    didDecideDestination = true;
    WKDownloadCancel(download, nullptr, nullptr);
    return Util::toWK("/tmp/WebKitAPITest/DownloadDecideDestinationCrash").leakRef();
}

static void navigationResponseDidBecomeDownload(WKPageRef page, WKNavigationResponseRef navigationResponse, WKDownloadRef download, const void* clientInfo)
{
    WKDownloadClientV0 client;
    memset(&client, 0, sizeof(client));
    client.base.version = 0;
    client.decideDestinationWithResponse = decideDestinationWithSuggestedFilename;
    WKDownloadSetClient(download, &client.base);
}

static void setPagePolicyClient(WKPageRef page)
{
    WKPageNavigationClientV3 navigationClient;
    memset(&navigationClient, 0, sizeof(navigationClient));

    navigationClient.base.version = 3;
    navigationClient.decidePolicyForNavigationResponse = decidePolicyForNavigationResponse;
    navigationClient.navigationResponseDidBecomeDownload = navigationResponseDidBecomeDownload;

    WKPageSetPageNavigationClient(page, &navigationClient.base);
}

TEST(WebKit, DownloadDecideDestinationCrash)
{
    WKRetainPtr<WKContextRef> context = adoptWK(WKContextCreateWithConfiguration(nullptr));

    PlatformWebView webView(context.get());
    setPagePolicyClient(webView.page());

    // The length of this filename was specially chosen to trigger the crash conditions in
    // <http://webkit.org/b/61142>. Specifically, it causes ArgumentDecoder::m_bufferPos and m_bufferEnd
    // to be equal after the DecideDestinationWithSuggestedFilename message has been handled.
    WKPageLoadURL(webView.page(), adoptWK(Util::createURLForResource("18-characters", "html")).get());

    Util::run(&didDecideDestination);
}

} // namespace TestWebKitAPI

#endif