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
|
// Copyright 2017 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "components/content_settings/core/common/content_settings_utils.h"
#include <memory>
#include "base/values.h"
#include "net/base/registry_controlled_domains/registry_controlled_domain.h"
#include "url/gurl.h"
#include "url/origin.h"
namespace content_settings {
namespace {
// Converts a |Value| to a |ContentSetting|. Returns true if |value| encodes
// a valid content setting, false otherwise. Note that |CONTENT_SETTING_DEFAULT|
// is encoded as a NULL value, so it is not allowed as an integer value.
bool ParseContentSettingValue(const base::Value& value,
ContentSetting* setting) {
if (value.is_none()) {
*setting = CONTENT_SETTING_DEFAULT;
return true;
}
if (!value.is_int())
return false;
*setting = IntToContentSetting(value.GetInt());
return *setting != CONTENT_SETTING_DEFAULT;
}
} // namespace
ContentSetting ValueToContentSetting(const base::Value& value) {
ContentSetting setting = CONTENT_SETTING_DEFAULT;
bool valid = ParseContentSettingValue(value, &setting);
DCHECK(valid) << value.DebugString();
return setting;
}
base::Value ContentSettingToValue(ContentSetting setting) {
if (setting <= CONTENT_SETTING_DEFAULT ||
setting >= CONTENT_SETTING_NUM_SETTINGS) {
return base::Value();
}
return base::Value(setting);
}
std::unique_ptr<base::Value> ToNullableUniquePtrValue(base::Value value) {
if (value.is_none())
return nullptr;
return base::Value::ToUniquePtrValue(std::move(value));
}
base::Value FromNullableUniquePtrValue(std::unique_ptr<base::Value> value) {
if (!value)
return base::Value();
return base::Value::FromUniquePtrValue(std::move(value));
}
bool PatternAppliesToSingleOrigin(
const ContentSettingsPattern& primary_pattern,
const ContentSettingsPattern& secondary_pattern) {
// Default settings and other patterns apply to multiple origins.
if (!primary_pattern.MatchesSingleOrigin())
return false;
// Embedded content settings only match when |url| is embedded in another
// origin, so ignore non-wildcard secondary patterns.
if (secondary_pattern != ContentSettingsPattern::Wildcard()) {
return false;
}
return true;
}
} // namespace content_settings
|
