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
98
99
100
101
102
103
104
|
// Copyright 2024 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "third_party/blink/renderer/modules/ad_auction/protected_audience.h"
#include <utility>
#include <variant>
#include "base/feature_list.h"
#include "base/time/time.h"
#include "third_party/blink/public/common/features.h"
#include "third_party/blink/public/common/interest_group/ad_auction_constants.h"
#include "third_party/blink/renderer/bindings/core/v8/idl_types.h"
#include "third_party/blink/renderer/bindings/core/v8/script_value.h"
#include "third_party/blink/renderer/bindings/core/v8/to_v8_traits.h"
#include "third_party/blink/renderer/bindings/core/v8/v8_object_builder.h"
#include "third_party/blink/renderer/core/execution_context/execution_context.h"
#include "third_party/blink/renderer/platform/runtime_enabled_features.h"
#include "third_party/blink/renderer/platform/wtf/text/wtf_string.h"
#include "third_party/blink/renderer/platform/wtf/vector.h"
#include "v8/include/v8-local-handle.h"
namespace blink {
namespace {
using FeatureVal = ProtectedAudience::FeatureVal;
v8::Local<v8::Value> MakeV8Val(ScriptState* script_state,
const FeatureVal& val) {
if (const bool* bool_val = std::get_if<bool>(&val)) {
return ToV8Traits<IDLBoolean>::ToV8(script_state, *bool_val);
} else if (const size_t* size_t_val = std::get_if<size_t>(&val)) {
return ToV8Traits<IDLUnsignedLongLong>::ToV8(script_state, *size_t_val);
} else {
const double* double_val = std::get_if<double>(&val);
CHECK(double_val);
return ToV8Traits<IDLDouble>::ToV8(script_state, *double_val);
}
}
WTF::Vector<std::pair<String, FeatureVal>> MakeFeatureStatusVector(
ExecutionContext* execution_context) {
WTF::Vector<std::pair<String, FeatureVal>> feature_status;
feature_status.emplace_back(String("adComponentsLimit"),
FeatureVal(MaxAdAuctionAdComponents()));
feature_status.emplace_back(
String("deprecatedRenderURLReplacements"),
FeatureVal(
RuntimeEnabledFeatures::FledgeDeprecatedRenderURLReplacementsEnabled(
execution_context)));
feature_status.emplace_back(String("reportingTimeout"), FeatureVal(true));
feature_status.emplace_back(String("permitCrossOriginTrustedSignals"),
FeatureVal(true));
feature_status.emplace_back(
String("realTimeReporting"),
FeatureVal(RuntimeEnabledFeatures::FledgeRealTimeReportingEnabled(
execution_context)));
feature_status.emplace_back(
String("selectableReportingIds"),
FeatureVal(RuntimeEnabledFeatures::FledgeAuctionDealSupportEnabled(
execution_context)));
feature_status.emplace_back(
String("sellerNonce"),
FeatureVal(
RuntimeEnabledFeatures::FledgeSellerNonceEnabled(execution_context)));
feature_status.emplace_back(
String("trustedSignalsKVv2"),
FeatureVal(RuntimeEnabledFeatures::FledgeTrustedSignalsKVv2SupportEnabled(
execution_context)));
feature_status.emplace_back(
String("maxGroupLifetimeMs"),
FeatureVal(MaxInterestGroupLifetime().InMillisecondsF()));
return feature_status;
}
} // namespace
ProtectedAudience::ProtectedAudience(ExecutionContext* execution_context)
: feature_status_(MakeFeatureStatusVector(execution_context)) {}
ScriptValue ProtectedAudience::queryFeatureSupport(ScriptState* script_state,
const String& feature_name) {
if (feature_name == "*") {
// Return all registered features if asked for '*'
V8ObjectBuilder features_obj(script_state);
for (const auto& kv : feature_status_) {
features_obj.AddV8Value(kv.first, MakeV8Val(script_state, kv.second));
}
return features_obj.ToScriptObject();
} else {
for (const auto& kv : feature_status_) {
if (kv.first == feature_name) {
return ScriptValue(script_state->GetIsolate(),
MakeV8Val(script_state, kv.second));
}
}
}
return ScriptValue();
}
} // namespace blink
|
