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
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
|
/*
* Copyright (C) 2019 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. ``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
* 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.
*/
#pragma once
#include "Allowlist.h"
#include <wtf/HashSet.h>
#include <wtf/HashTraits.h>
#include <wtf/TZoneMalloc.h>
#include <wtf/text/StringHash.h>
namespace WebCore {
class Allowlist;
class Document;
class HTMLFrameOwnerElement;
class HTMLIFrameElement;
struct OwnerPermissionsPolicyData;
class PermissionsPolicy {
WTF_MAKE_TZONE_ALLOCATED(PermissionsPolicy);
public:
PermissionsPolicy();
PermissionsPolicy(const Document&);
enum class Feature : uint8_t {
Camera = 0,
Microphone,
SpeakerSelection,
DisplayCapture,
Gamepad,
Geolocation,
Payment,
ScreenWakeLock,
SyncXHR,
Fullscreen,
WebShare,
#if ENABLE(DEVICE_ORIENTATION)
Gyroscope,
Accelerometer,
Magnetometer,
#endif
#if ENABLE(WEB_AUTHN)
PublickeyCredentialsGetRule,
DigitalCredentialsGetRule,
#endif
#if ENABLE(WEBXR)
XRSpatialTracking,
#endif
PrivateToken,
Invalid
};
enum class ShouldReportViolation : bool { No, Yes };
static bool isFeatureEnabled(Feature, const Document&, ShouldReportViolation = ShouldReportViolation::Yes);
bool inheritedPolicyValueForFeature(Feature) const;
// InheritedPolicy contains enabled features.
using InheritedPolicy = HashSet<Feature, IntHash<Feature>, WTF::StrongEnumHashTraits<Feature>>;
PermissionsPolicy(const InheritedPolicy& inheritedPolicy)
: m_inheritedPolicy(inheritedPolicy)
{
}
InheritedPolicy inheritedPolicy() const { return m_inheritedPolicy; }
// https://w3c.github.io/webappsec-permissions-policy/#policy-directives
using PolicyDirective = HashMap<Feature, Allowlist, IntHash<Feature>, WTF::StrongEnumHashTraits<Feature>>;
static PolicyDirective processPermissionsPolicyAttribute(const HTMLIFrameElement&);
private:
bool computeInheritedPolicyValueInContainer(Feature, const std::optional<OwnerPermissionsPolicyData>&, const SecurityOriginData&) const;
InheritedPolicy m_inheritedPolicy;
};
} // namespace WebCore
|
