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
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
|
// Copyright (c) 2010 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/http/http_response_info.h"
#include "base/logging.h"
#include "base/pickle.h"
#include "base/time.h"
#include "net/base/auth.h"
#include "net/base/io_buffer.h"
#include "net/base/net_errors.h"
#include "net/base/ssl_cert_request_info.h"
#include "net/base/x509_certificate.h"
#include "net/http/http_response_headers.h"
using base::Time;
namespace net {
// These values can be bit-wise combined to form the flags field of the
// serialized HttpResponseInfo.
enum {
// The version of the response info used when persisting response info.
RESPONSE_INFO_VERSION = 1,
// We reserve up to 8 bits for the version number.
RESPONSE_INFO_VERSION_MASK = 0xFF,
// This bit is set if the response info has a cert at the end.
RESPONSE_INFO_HAS_CERT = 1 << 8,
// This bit is set if the response info has a security-bits field (security
// strength, in bits, of the SSL connection) at the end.
RESPONSE_INFO_HAS_SECURITY_BITS = 1 << 9,
// This bit is set if the response info has a cert status at the end.
RESPONSE_INFO_HAS_CERT_STATUS = 1 << 10,
// This bit is set if the response info has vary header data.
RESPONSE_INFO_HAS_VARY_DATA = 1 << 11,
// This bit is set if the request was cancelled before completion.
RESPONSE_INFO_TRUNCATED = 1 << 12,
// This bit is set if the response was received via SPDY.
RESPONSE_INFO_WAS_SPDY = 1 << 13,
// This bit is set if the request has NPN negotiated.
RESPONSE_INFO_WAS_NPN = 1 << 14,
// This bit is set if the request was fetched via an explicit proxy.
RESPONSE_INFO_WAS_PROXY = 1 << 15,
// This bit is set if response could use alternate protocol. However, browser
// will ingore the alternate protocol if spdy is not enabled.
RESPONSE_INFO_WAS_ALTERNATE_PROTOCOL_AVAILABLE = 1 << 16,
// TODO(darin): Add other bits to indicate alternate request methods.
// For now, we don't support storing those.
};
HttpResponseInfo::HttpResponseInfo()
: was_cached(false),
was_fetched_via_spdy(false),
was_npn_negotiated(false),
was_alternate_protocol_available(false),
was_fetched_via_proxy(false) {
}
HttpResponseInfo::HttpResponseInfo(const HttpResponseInfo& rhs)
: was_cached(rhs.was_cached),
was_fetched_via_spdy(rhs.was_fetched_via_spdy),
was_npn_negotiated(rhs.was_npn_negotiated),
was_alternate_protocol_available(rhs.was_alternate_protocol_available),
was_fetched_via_proxy(rhs.was_fetched_via_proxy),
request_time(rhs.request_time),
response_time(rhs.response_time),
auth_challenge(rhs.auth_challenge),
cert_request_info(rhs.cert_request_info),
ssl_info(rhs.ssl_info),
headers(rhs.headers),
vary_data(rhs.vary_data),
metadata(rhs.metadata) {
}
HttpResponseInfo::~HttpResponseInfo() {
}
HttpResponseInfo& HttpResponseInfo::operator=(const HttpResponseInfo& rhs) {
was_cached = rhs.was_cached;
was_fetched_via_spdy = rhs.was_fetched_via_spdy;
was_npn_negotiated = rhs.was_npn_negotiated;
was_alternate_protocol_available = rhs.was_alternate_protocol_available;
was_fetched_via_proxy = rhs.was_fetched_via_proxy;
request_time = rhs.request_time;
response_time = rhs.response_time;
auth_challenge = rhs.auth_challenge;
cert_request_info = rhs.cert_request_info;
ssl_info = rhs.ssl_info;
headers = rhs.headers;
vary_data = rhs.vary_data;
metadata = rhs.metadata;
return *this;
}
bool HttpResponseInfo::InitFromPickle(const Pickle& pickle,
bool* response_truncated) {
void* iter = NULL;
// read flags and verify version
int flags;
if (!pickle.ReadInt(&iter, &flags))
return false;
int version = flags & RESPONSE_INFO_VERSION_MASK;
if (version != RESPONSE_INFO_VERSION) {
DLOG(ERROR) << "unexpected response info version: " << version;
return false;
}
// read request-time
int64 time_val;
if (!pickle.ReadInt64(&iter, &time_val))
return false;
request_time = Time::FromInternalValue(time_val);
was_cached = true; // Set status to show cache resurrection.
// read response-time
if (!pickle.ReadInt64(&iter, &time_val))
return false;
response_time = Time::FromInternalValue(time_val);
// read response-headers
headers = new HttpResponseHeaders(pickle, &iter);
DCHECK_NE(headers->response_code(), -1);
// read ssl-info
if (flags & RESPONSE_INFO_HAS_CERT) {
ssl_info.cert =
X509Certificate::CreateFromPickle(pickle, &iter);
}
if (flags & RESPONSE_INFO_HAS_CERT_STATUS) {
int cert_status;
if (!pickle.ReadInt(&iter, &cert_status))
return false;
ssl_info.cert_status = cert_status;
}
if (flags & RESPONSE_INFO_HAS_SECURITY_BITS) {
int security_bits;
if (!pickle.ReadInt(&iter, &security_bits))
return false;
ssl_info.security_bits = security_bits;
}
// read vary-data
if (flags & RESPONSE_INFO_HAS_VARY_DATA) {
if (!vary_data.InitFromPickle(pickle, &iter))
return false;
}
was_fetched_via_spdy = (flags & RESPONSE_INFO_WAS_SPDY) != 0;
was_npn_negotiated = (flags & RESPONSE_INFO_WAS_NPN) != 0;
was_alternate_protocol_available =
(flags & RESPONSE_INFO_WAS_ALTERNATE_PROTOCOL_AVAILABLE) != 0;
was_fetched_via_proxy = (flags & RESPONSE_INFO_WAS_PROXY) != 0;
*response_truncated = (flags & RESPONSE_INFO_TRUNCATED) ? true : false;
return true;
}
void HttpResponseInfo::Persist(Pickle* pickle,
bool skip_transient_headers,
bool response_truncated) const {
int flags = RESPONSE_INFO_VERSION;
if (ssl_info.is_valid()) {
flags |= RESPONSE_INFO_HAS_CERT;
flags |= RESPONSE_INFO_HAS_CERT_STATUS;
if (ssl_info.security_bits != -1)
flags |= RESPONSE_INFO_HAS_SECURITY_BITS;
// TODO(wtc): we should persist ssl_info.connection_status.
}
if (vary_data.is_valid())
flags |= RESPONSE_INFO_HAS_VARY_DATA;
if (response_truncated)
flags |= RESPONSE_INFO_TRUNCATED;
if (was_fetched_via_spdy)
flags |= RESPONSE_INFO_WAS_SPDY;
if (was_npn_negotiated)
flags |= RESPONSE_INFO_WAS_NPN;
if (was_alternate_protocol_available)
flags |= RESPONSE_INFO_WAS_ALTERNATE_PROTOCOL_AVAILABLE;
if (was_fetched_via_proxy)
flags |= RESPONSE_INFO_WAS_PROXY;
pickle->WriteInt(flags);
pickle->WriteInt64(request_time.ToInternalValue());
pickle->WriteInt64(response_time.ToInternalValue());
net::HttpResponseHeaders::PersistOptions persist_options =
net::HttpResponseHeaders::PERSIST_RAW;
if (skip_transient_headers) {
persist_options =
net::HttpResponseHeaders::PERSIST_SANS_COOKIES |
net::HttpResponseHeaders::PERSIST_SANS_CHALLENGES |
net::HttpResponseHeaders::PERSIST_SANS_HOP_BY_HOP |
net::HttpResponseHeaders::PERSIST_SANS_NON_CACHEABLE |
net::HttpResponseHeaders::PERSIST_SANS_RANGES;
}
headers->Persist(pickle, persist_options);
if (ssl_info.is_valid()) {
ssl_info.cert->Persist(pickle);
pickle->WriteInt(ssl_info.cert_status);
if (ssl_info.security_bits != -1)
pickle->WriteInt(ssl_info.security_bits);
}
if (vary_data.is_valid())
vary_data.Persist(pickle);
}
} // namespace net
|
