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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 
12 using std::string;
13 using std::vector;
14 
15 namespace net {
16 
CachedNetworkParameters()17 CachedNetworkParameters::CachedNetworkParameters() {
18 }
19 
~CachedNetworkParameters()20 CachedNetworkParameters::~CachedNetworkParameters() {
21 }
22 
SourceAddressToken()23 SourceAddressToken::SourceAddressToken() {
24 }
25 
~SourceAddressToken()26 SourceAddressToken::~SourceAddressToken() {
27 }
28 
SerializeAsString() const29 string SourceAddressToken::SerializeAsString() const {
30   string out;
31   out.push_back(ip_.size());
32   out.append(ip_);
33   string time_str = base::Int64ToString(timestamp_);
34   out.push_back(time_str.size());
35   out.append(time_str);
36   // TODO(rtenneti): Implement serialization of optional CachedNetworkParameters
37   // when they are used.
38   return out;
39 }
40 
ParseFromArray(const char * plaintext,size_t plaintext_length)41 bool SourceAddressToken::ParseFromArray(const char* plaintext,
42                                         size_t plaintext_length) {
43   if (plaintext_length == 0) {
44     return false;
45   }
46   size_t ip_len = plaintext[0];
47   if (plaintext_length <= 1 + ip_len) {
48     return false;
49   }
50   size_t time_len = plaintext[1 + ip_len];
51   if (plaintext_length != 1 + ip_len + 1 + time_len) {
52     return false;
53   }
54 
55   string time_str(&plaintext[1 + ip_len + 1], time_len);
56   int64 timestamp;
57   if (!base::StringToInt64(time_str, &timestamp)) {
58     return false;
59   }
60 
61   ip_.assign(&plaintext[1], ip_len);
62   timestamp_ = timestamp;
63 
64   // TODO(rtenneti): Implement parsing of optional CachedNetworkParameters when
65   // they are used.
66   return true;
67 }
68 
69 }  // namespace net
70