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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 "base/strings/string_number_conversions.h" | |
| 8 #include "base/strings/string_split.h" | |
| 9 | |
| 10 using std::string; | |
| 11 | |
| 12 namespace net { | |
| 13 | |
| 14 SourceAddressToken::SourceAddressToken() | |
| 15 : has_cached_network_parameters_(false) { | |
| 16 } | |
| 17 | |
| 18 SourceAddressToken::~SourceAddressToken() { | |
| 19 } | |
| 20 | |
| 21 string SourceAddressToken::SerializeAsString() const { | |
| 22 string out; | |
| 23 out.push_back(static_cast<char>(ip_.size())); | |
| 24 out.append(ip_); | |
| 25 string time_str = base::Int64ToString(timestamp_); | |
| 26 out.push_back(static_cast<char>(time_str.size())); | |
| 27 out.append(time_str); | |
| 28 // TODO(rtenneti): Implement serialization of optional CachedNetworkParameters | |
| 29 // when they are used. | |
| 30 return out; | |
| 31 } | |
| 32 | |
| 33 bool 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, ×tamp)) { | |
| 50 return false; | |
| 51 } | |
| 52 | |
| 53 ip_.assign(&plaintext[1], ip_len); | |
| 54 timestamp_ = timestamp; | |
| 55 | |
| 56 // TODO(rtenneti): Implement parsing of optional CachedNetworkParameters when | |
| 57 // they are used. | |
| 58 return true; | |
| 59 } | |
| 60 | |
| 61 SourceAddressTokens::SourceAddressTokens() { | |
| 62 } | |
| 63 | |
| 64 SourceAddressTokens::~SourceAddressTokens() { | |
| 65 STLDeleteElements(&tokens_); | |
| 66 } | |
| 67 | |
| 68 string SourceAddressTokens::SerializeAsString() const { | |
| 69 string out; | |
| 70 | |
| 71 for (size_t i = 0; i < tokens_size(); i++) { | |
| 72 const SourceAddressToken& source_address_token = tokens(i); | |
| 73 out.append(source_address_token.SerializeAsString()); | |
| 74 } | |
| 75 return out; | |
| 76 } | |
| 77 | |
| 78 bool SourceAddressTokens::ParseFromArray(const char* plaintext, | |
| 79 size_t plaintext_length) { | |
| 80 // TODO(rtenneti): Implement parsing of SourceAddressTokens when they are | |
| 81 // used. | |
| 82 return true; | |
| 83 } | |
| 84 | |
| 85 } // namespace net | |
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