blob: 842c0e53a9413b4454ee9f18d97ea96bd24f2220 (
plain)
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 2021 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "net/base/connection_endpoint_metadata.h"
#include <string>
#include <utility>
#include <vector>
#include "base/base64.h"
#include "base/values.h"
#include "third_party/abseil-cpp/absl/types/optional.h"
namespace net {
namespace {
const char kSupportedProtocolAlpnsKey[] = "supported_protocol_alpns";
const char kEchConfigListKey[] = "ech_config_list";
} // namespace
ConnectionEndpointMetadata::ConnectionEndpointMetadata() = default;
ConnectionEndpointMetadata::~ConnectionEndpointMetadata() = default;
ConnectionEndpointMetadata::ConnectionEndpointMetadata(
const ConnectionEndpointMetadata&) = default;
ConnectionEndpointMetadata::ConnectionEndpointMetadata(
ConnectionEndpointMetadata&&) = default;
base::Value ConnectionEndpointMetadata::ToValue() const {
base::Value::Dict dict;
base::Value::List alpns_list;
for (const std::string& alpn : supported_protocol_alpns) {
alpns_list.Append(alpn);
}
dict.Set(kSupportedProtocolAlpnsKey, std::move(alpns_list));
dict.Set(kEchConfigListKey, base::Base64Encode(ech_config_list));
return base::Value(std::move(dict));
}
// static
absl::optional<ConnectionEndpointMetadata>
ConnectionEndpointMetadata::FromValue(const base::Value& value) {
const base::Value::Dict* dict = value.GetIfDict();
if (!dict)
return absl::nullopt;
const base::Value::List* alpns_list =
dict->FindList(kSupportedProtocolAlpnsKey);
const std::string* ech_config_list_value =
dict->FindString(kEchConfigListKey);
if (!alpns_list || !ech_config_list_value)
return absl::nullopt;
ConnectionEndpointMetadata metadata;
std::vector<std::string> alpns;
for (const base::Value& value : *alpns_list) {
if (!value.is_string())
return absl::nullopt;
metadata.supported_protocol_alpns.push_back(value.GetString());
}
absl::optional<std::vector<uint8_t>> decoded =
base::Base64Decode(*ech_config_list_value);
if (!decoded)
return absl::nullopt;
metadata.ech_config_list = std::move(*decoded);
return metadata;
}
} // namespace net
|