1// Copyright (c) 2013 The Chromium Authors. All rights reserved.
2// Use of this source code is governed by a BSD-style license that can be
3// found in the LICENSE file.
4
5#include "net/quic/crypto/source_address_token.h"
6
7#include <vector>
8
9#include "base/strings/string_number_conversions.h"
10#include "base/strings/string_split.h"
11
12using std::string;
13using std::vector;
14
15namespace net {
16
17SourceAddressToken::SourceAddressToken() {
18}
19
20SourceAddressToken::~SourceAddressToken() {
21}
22
23string SourceAddressToken::SerializeAsString() const {
24  string out;
25  out.push_back(ip_.size());
26  out.append(ip_);
27  string time_str = base::Int64ToString(timestamp_);
28  out.push_back(time_str.size());
29  out.append(time_str);
30  return out;
31}
32
33bool SourceAddressToken::ParseFromArray(const char* plaintext,
34                                        size_t plaintext_length) {
35  if (plaintext_length == 0) {
36    return false;
37  }
38  size_t ip_len = plaintext[0];
39  if (plaintext_length <= 1 + ip_len) {
40    return false;
41  }
42  size_t time_len = plaintext[1 + ip_len];
43  if (plaintext_length != 1 + ip_len + 1 + time_len) {
44    return false;
45  }
46
47  string time_str(&plaintext[1 + ip_len + 1], time_len);
48  int64 timestamp;
49  if (!base::StringToInt64(time_str, &timestamp)) {
50    return false;
51  }
52
53  ip_.assign(&plaintext[1], ip_len);
54  timestamp_ = timestamp;
55  return true;
56}
57
58}  // namespace net
59