1/*
2 * Copyright (C) 2016, Canon Inc. All rights reserved.
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions are
6 * met:
7 *
8 * * Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * * Redistributions in binary form must reproduce the above
11 * copyright notice, this list of conditions and the following disclaimer
12 * in the documentation and/or other materials provided with the
13 * distribution.
14 * * Neither the name of Canon Inc. nor the names of its
15 * contributors may be used to endorse or promote products derived from
16 * this software without specific prior written permission.
17 *
18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
19 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
20 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
21 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
22 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
23 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
24 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
28 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
29 */
30
31#pragma once
32
33#include "CachedRawResourceClient.h"
34#include "CachedResourceHandle.h"
35#include "ResourceRequest.h"
36
37namespace WebCore {
38
39class CachedRawResource;
40class Document;
41class DocumentThreadableLoader;
42class ResourceError;
43
44class CrossOriginPreflightChecker final : private CachedRawResourceClient {
45public:
46 static void doPreflight(DocumentThreadableLoader&, ResourceRequest&&);
47
48 CrossOriginPreflightChecker(DocumentThreadableLoader&, ResourceRequest&&);
49 ~CrossOriginPreflightChecker();
50
51 void startPreflight();
52
53 void setDefersLoading(bool);
54
55private:
56 void notifyFinished(CachedResource&) final;
57 void redirectReceived(CachedResource&, ResourceRequest&&, const ResourceResponse&, CompletionHandler<void(ResourceRequest&&)>&&) final;
58
59 static void handleLoadingFailure(DocumentThreadableLoader&, unsigned long, const ResourceError&);
60 static void validatePreflightResponse(DocumentThreadableLoader&, ResourceRequest&&, unsigned long, const ResourceResponse&);
61
62 bool isXMLHttpRequest() const final;
63
64 DocumentThreadableLoader& m_loader;
65 CachedResourceHandle<CachedRawResource> m_resource;
66 ResourceRequest m_request;
67};
68
69} // namespace WebCore
70