1/*
2 * Copyright (C) 2012 Google Inc. All rights reserved.
3 * Copyright (C) 2017 Apple Inc. All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions are
7 * met:
8 *
9 * * Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 * * Redistributions in binary form must reproduce the above
12 * copyright notice, this list of conditions and the following disclaimer
13 * in the documentation and/or other materials provided with the
14 * distribution.
15 * * Neither the name of Google Inc. nor the names of its
16 * contributors may be used to endorse or promote products derived from
17 * this software without specific prior written permission.
18 *
19 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
20 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
21 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
22 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
23 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
24 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
25 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
26 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
27 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
28 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
29 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
30 *
31 */
32
33#pragma once
34
35#include <wtf/Forward.h>
36
37namespace WebCore {
38
39enum class ReferrerPolicy : uint8_t {
40 EmptyString,
41 NoReferrer,
42 NoReferrerWhenDowngrade,
43 SameOrigin,
44 Origin,
45 StrictOrigin,
46 OriginWhenCrossOrigin,
47 StrictOriginWhenCrossOrigin,
48 UnsafeUrl
49};
50
51enum class ReferrerPolicySource : uint8_t { MetaTag, HTTPHeader, ReferrerPolicyAttribute };
52Optional<ReferrerPolicy> parseReferrerPolicy(StringView, ReferrerPolicySource);
53
54}
55
56namespace WTF {
57
58template<> struct EnumTraits<WebCore::ReferrerPolicy> {
59 using values = EnumValues<
60 WebCore::ReferrerPolicy,
61 WebCore::ReferrerPolicy::EmptyString,
62 WebCore::ReferrerPolicy::NoReferrer,
63 WebCore::ReferrerPolicy::NoReferrerWhenDowngrade,
64 WebCore::ReferrerPolicy::SameOrigin,
65 WebCore::ReferrerPolicy::Origin,
66 WebCore::ReferrerPolicy::StrictOrigin,
67 WebCore::ReferrerPolicy::OriginWhenCrossOrigin,
68 WebCore::ReferrerPolicy::StrictOriginWhenCrossOrigin,
69 WebCore::ReferrerPolicy::UnsafeUrl
70 >;
71};
72
73}
74