1 // Copyright (c) 2012 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.
5 #include "net/http/http_stream_factory.h"
7 #include "base/logging.h"
8 #include "base/strings/string_number_conversions.h"
9 #include "base/strings/string_split.h"
10 #include "base/strings/string_util.h"
11 #include "net/base/host_mapping_rules.h"
12 #include "net/base/host_port_pair.h"
13 #include "net/http/http_network_session.h"
18 // WARNING: If you modify or add any static flags, you must keep them in sync
19 // with |ResetStaticSettingsToInit|. This is critical for unit test isolation.
22 bool HttpStreamFactory::spdy_enabled_ = true;
24 HttpStreamFactory::~HttpStreamFactory() {}
27 void HttpStreamFactory::ResetStaticSettingsToInit() {
31 void HttpStreamFactory::ProcessAlternateProtocol(
32 const base::WeakPtr<HttpServerProperties>& http_server_properties,
33 const std::vector<std::string>& alternate_protocol_values,
34 const HostPortPair& http_host_port_pair,
35 const HttpNetworkSession& session) {
36 AlternateProtocol protocol = UNINITIALIZED_ALTERNATE_PROTOCOL;
38 double probability = 1;
39 for (size_t i = 0; i < alternate_protocol_values.size(); ++i) {
40 const std::string& alternate_protocol_str = alternate_protocol_values[i];
41 if (StartsWithASCII(alternate_protocol_str, "p=", true)) {
42 if (!base::StringToDouble(alternate_protocol_str.substr(2),
44 probability < 0 || probability > 1) {
45 DVLOG(1) << kAlternateProtocolHeader
46 << " header has unrecognizable probability: "
47 << alternate_protocol_values[i];
53 std::vector<std::string> port_protocol_vector;
54 base::SplitString(alternate_protocol_str, ':', &port_protocol_vector);
55 if (port_protocol_vector.size() != 2) {
56 DVLOG(1) << kAlternateProtocolHeader
57 << " header has too many tokens: "
58 << alternate_protocol_str;
62 if (!base::StringToInt(port_protocol_vector[0], &port) ||
63 port <= 0 || port >= 1 << 16) {
64 DVLOG(1) << kAlternateProtocolHeader
65 << " header has unrecognizable port: "
66 << port_protocol_vector[0];
70 protocol = AlternateProtocolFromString(port_protocol_vector[1]);
72 if (IsAlternateProtocolValid(protocol) &&
73 !session.IsProtocolEnabled(protocol)) {
74 DVLOG(1) << kAlternateProtocolHeader
75 << " header has unrecognized protocol: "
76 << port_protocol_vector[1];
81 if (protocol == UNINITIALIZED_ALTERNATE_PROTOCOL)
84 HostPortPair host_port(http_host_port_pair);
85 const HostMappingRules* mapping_rules = GetHostMappingRules();
87 mapping_rules->RewriteHost(&host_port);
89 if (http_server_properties->HasAlternateProtocol(host_port)) {
90 const AlternateProtocolInfo existing_alternate =
91 http_server_properties->GetAlternateProtocol(host_port);
92 // If we think the alternate protocol is broken, don't change it.
93 if (existing_alternate.is_broken)
97 http_server_properties->SetAlternateProtocol(host_port, port, protocol,
101 GURL HttpStreamFactory::ApplyHostMappingRules(const GURL& url,
102 HostPortPair* endpoint) {
103 const HostMappingRules* mapping_rules = GetHostMappingRules();
104 if (mapping_rules && mapping_rules->RewriteHost(endpoint)) {
105 url::Replacements<char> replacements;
106 const std::string port_str = base::IntToString(endpoint->port());
107 replacements.SetPort(port_str.c_str(), url::Component(0, port_str.size()));
108 replacements.SetHost(endpoint->host().c_str(),
109 url::Component(0, endpoint->host().size()));
110 return url.ReplaceComponents(replacements);
115 HttpStreamFactory::HttpStreamFactory() {}