1/*
2 * Copyright (C) 2011 Google 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
6 * are met:
7 *
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 * 3. Neither the name of Google, Inc. ("Google") nor the names of
14 * its contributors may be used to endorse or promote products derived
15 * from this software without specific prior written permission.
16 *
17 * THIS SOFTWARE IS PROVIDED BY GOOGLE AND ITS CONTRIBUTORS "AS IS" AND ANY
18 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
19 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
20 * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
21 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
22 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
23 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
24 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 */
28
29#pragma once
30
31#include "FetchOptions.h"
32#include <wtf/text/WTFString.h>
33
34namespace WebCore {
35
36class SecurityOrigin;
37
38class SecurityPolicy {
39public:
40 // True if the referrer should be omitted according to ReferrerPolicy::Default.
41 // If you intend to send a referrer header, you should use generateReferrerHeader instead.
42 WEBCORE_EXPORT static bool shouldHideReferrer(const URL&, const String& referrer);
43
44 // Returns the referrer's security origin plus a / to make it a canonical URL
45 // and thus useable as referrer.
46 static String referrerToOriginString(const String& referrer);
47
48 // Returns the referrer modified according to the referrer policy for a
49 // navigation to a given URL. If the referrer returned is empty, the
50 // referrer header should be omitted.
51 WEBCORE_EXPORT static String generateReferrerHeader(ReferrerPolicy, const URL&, const String& referrer);
52
53 static bool shouldInheritSecurityOriginFromOwner(const URL&);
54
55 enum LocalLoadPolicy {
56 AllowLocalLoadsForAll, // No restriction on local loads.
57 AllowLocalLoadsForLocalAndSubstituteData,
58 AllowLocalLoadsForLocalOnly,
59 };
60
61 WEBCORE_EXPORT static void setLocalLoadPolicy(LocalLoadPolicy);
62 static bool restrictAccessToLocal();
63 static bool allowSubstituteDataAccessToLocal();
64
65 WEBCORE_EXPORT static void addOriginAccessWhitelistEntry(const SecurityOrigin& sourceOrigin, const String& destinationProtocol, const String& destinationDomain, bool allowDestinationSubdomains);
66 WEBCORE_EXPORT static void removeOriginAccessWhitelistEntry(const SecurityOrigin& sourceOrigin, const String& destinationProtocol, const String& destinationDomain, bool allowDestinationSubdomains);
67 WEBCORE_EXPORT static void resetOriginAccessWhitelists();
68
69 static bool isAccessWhiteListed(const SecurityOrigin* activeOrigin, const SecurityOrigin* targetOrigin);
70 static bool isAccessToURLWhiteListed(const SecurityOrigin* activeOrigin, const URL&);
71};
72
73} // namespace WebCore
74