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
|
// Copyright (c) 2011 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_stream_factory.h"
#include "base/logging.h"
#include "base/string_number_conversions.h"
#include "base/string_split.h"
#include "googleurl/src/gurl.h"
#include "net/base/host_mapping_rules.h"
#include "net/base/host_port_pair.h"
#include "net/http/http_server_properties.h"
namespace net {
// WARNING: If you modify or add any static flags, you must keep them in sync
// with |ResetStaticSettingsToInit|. This is critical for unit test isolation.
// static
const HostMappingRules* HttpStreamFactory::host_mapping_rules_ = NULL;
// static
std::vector<std::string>* HttpStreamFactory::next_protos_ = NULL;
// static
bool HttpStreamFactory::spdy_enabled_ = true;
// static
bool HttpStreamFactory::use_alternate_protocols_ = false;
// static
bool HttpStreamFactory::force_spdy_over_ssl_ = true;
// static
bool HttpStreamFactory::force_spdy_always_ = false;
// static
std::list<HostPortPair>* HttpStreamFactory::forced_spdy_exclusions_ = NULL;
// static
bool HttpStreamFactory::ignore_certificate_errors_ = false;
HttpStreamFactory::~HttpStreamFactory() {}
// static
void HttpStreamFactory::ResetStaticSettingsToInit() {
// WARNING: These must match the initializers above.
delete host_mapping_rules_;
delete next_protos_;
delete forced_spdy_exclusions_;
host_mapping_rules_ = NULL;
next_protos_ = NULL;
spdy_enabled_ = true;
use_alternate_protocols_ = false;
force_spdy_over_ssl_ = true;
force_spdy_always_ = false;
forced_spdy_exclusions_ = NULL;
ignore_certificate_errors_ = false;
}
void HttpStreamFactory::ProcessAlternateProtocol(
HttpServerProperties* http_server_properties,
const std::string& alternate_protocol_str,
const HostPortPair& http_host_port_pair) {
std::vector<std::string> port_protocol_vector;
base::SplitString(alternate_protocol_str, ':', &port_protocol_vector);
if (port_protocol_vector.size() != 2) {
DLOG(WARNING) << kAlternateProtocolHeader
<< " header has too many tokens: "
<< alternate_protocol_str;
return;
}
int port;
if (!base::StringToInt(port_protocol_vector[0], &port) ||
port <= 0 || port >= 1 << 16) {
DLOG(WARNING) << kAlternateProtocolHeader
<< " header has unrecognizable port: "
<< port_protocol_vector[0];
return;
}
AlternateProtocol protocol = ALTERNATE_PROTOCOL_BROKEN;
// We skip NPN_SPDY_1 here, because we've rolled the protocol version to 2.
for (int i = NPN_SPDY_2; i < NUM_ALTERNATE_PROTOCOLS; ++i) {
if (port_protocol_vector[1] == kAlternateProtocolStrings[i])
protocol = static_cast<AlternateProtocol>(i);
}
if (protocol == ALTERNATE_PROTOCOL_BROKEN) {
// Currently, we only recognize the npn-spdy protocol.
DLOG(WARNING) << kAlternateProtocolHeader
<< " header has unrecognized protocol: "
<< port_protocol_vector[1];
return;
}
HostPortPair host_port(http_host_port_pair);
host_mapping_rules().RewriteHost(&host_port);
if (http_server_properties->HasAlternateProtocol(host_port)) {
const PortAlternateProtocolPair existing_alternate =
http_server_properties->GetAlternateProtocol(host_port);
// If we think the alternate protocol is broken, don't change it.
if (existing_alternate.protocol == ALTERNATE_PROTOCOL_BROKEN)
return;
}
http_server_properties->SetAlternateProtocol(host_port, port, protocol);
}
GURL HttpStreamFactory::ApplyHostMappingRules(const GURL& url,
HostPortPair* endpoint) {
if (host_mapping_rules().RewriteHost(endpoint)) {
url_canon::Replacements<char> replacements;
const std::string port_str = base::IntToString(endpoint->port());
replacements.SetPort(port_str.c_str(),
url_parse::Component(0, port_str.size()));
replacements.SetHost(endpoint->host().c_str(),
url_parse::Component(0, endpoint->host().size()));
return url.ReplaceComponents(replacements);
}
return url;
}
// static
void HttpStreamFactory::add_forced_spdy_exclusion(const std::string& value) {
HostPortPair pair = HostPortPair::FromURL(GURL(value));
if (!forced_spdy_exclusions_)
forced_spdy_exclusions_ = new std::list<HostPortPair>();
forced_spdy_exclusions_->push_back(pair);
}
// static
bool HttpStreamFactory::HasSpdyExclusion(const HostPortPair& endpoint) {
std::list<HostPortPair>* exclusions = forced_spdy_exclusions_;
if (!exclusions)
return false;
std::list<HostPortPair>::const_iterator it;
for (it = exclusions->begin(); it != exclusions->end(); ++it)
if (it->Equals(endpoint))
return true;
return false;
}
// static
void HttpStreamFactory::SetHostMappingRules(const std::string& rules) {
HostMappingRules* host_mapping_rules = new HostMappingRules;
host_mapping_rules->SetRulesFromString(rules);
delete host_mapping_rules_;
host_mapping_rules_ = host_mapping_rules;
}
HttpStreamFactory::HttpStreamFactory() {}
// static
const HostMappingRules& HttpStreamFactory::host_mapping_rules() {
if (!host_mapping_rules_)
host_mapping_rules_ = new HostMappingRules;
return *host_mapping_rules_;
}
} // namespace net
|
