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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. | |
4 | |
5 #include "net/http/http_stream_factory.h" | |
6 | |
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" | |
14 #include "url/gurl.h" | |
15 | |
16 namespace net { | |
17 | |
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. | |
20 | |
21 // static | |
22 bool HttpStreamFactory::spdy_enabled_ = true; | |
23 | |
24 HttpStreamFactory::~HttpStreamFactory() {} | |
25 | |
26 // static | |
27 void HttpStreamFactory::ResetStaticSettingsToInit() { | |
28 spdy_enabled_ = true; | |
29 } | |
30 | |
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; | |
37 int port = 0; | |
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), | |
43 &probability) || | |
44 probability < 0 || probability > 1) { | |
45 DVLOG(1) << kAlternateProtocolHeader | |
46 << " header has unrecognizable probability: " | |
47 << alternate_protocol_values[i]; | |
48 return; | |
49 } | |
50 continue; | |
51 } | |
52 | |
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; | |
59 return; | |
60 } | |
61 | |
62 if (!base::StringToInt(port_protocol_vector[0], &port) || | |
63 port == 0 || !IsPortValid(port)) { | |
64 DVLOG(1) << kAlternateProtocolHeader | |
65 << " header has unrecognizable port: " | |
66 << port_protocol_vector[0]; | |
67 return; | |
68 } | |
69 | |
70 protocol = AlternateProtocolFromString(port_protocol_vector[1]); | |
71 | |
72 if (IsAlternateProtocolValid(protocol) && | |
73 !session.IsProtocolEnabled(protocol)) { | |
74 DVLOG(1) << kAlternateProtocolHeader | |
75 << " header has unrecognized protocol: " | |
76 << port_protocol_vector[1]; | |
77 return; | |
78 } | |
79 } | |
80 | |
81 if (protocol == UNINITIALIZED_ALTERNATE_PROTOCOL) | |
82 return; | |
83 | |
84 HostPortPair host_port(http_host_port_pair); | |
85 const HostMappingRules* mapping_rules = GetHostMappingRules(); | |
86 if (mapping_rules) | |
87 mapping_rules->RewriteHost(&host_port); | |
88 | |
89 http_server_properties->SetAlternateProtocol( | |
90 host_port, static_cast<uint16>(port), protocol, probability); | |
91 } | |
92 | |
93 GURL HttpStreamFactory::ApplyHostMappingRules(const GURL& url, | |
94 HostPortPair* endpoint) { | |
95 const HostMappingRules* mapping_rules = GetHostMappingRules(); | |
96 if (mapping_rules && mapping_rules->RewriteHost(endpoint)) { | |
97 url::Replacements<char> replacements; | |
98 const std::string port_str = base::IntToString(endpoint->port()); | |
99 replacements.SetPort(port_str.c_str(), url::Component(0, port_str.size())); | |
100 replacements.SetHost(endpoint->host().c_str(), | |
101 url::Component(0, endpoint->host().size())); | |
102 return url.ReplaceComponents(replacements); | |
103 } | |
104 return url; | |
105 } | |
106 | |
107 HttpStreamFactory::HttpStreamFactory() {} | |
108 | |
109 } // namespace net | |
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