| // Copyright (c) 2012 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/strings/string_number_conversions.h" |
| #include "base/strings/string_split.h" |
| #include "base/strings/string_util.h" |
| #include "net/base/host_mapping_rules.h" |
| #include "net/base/host_port_pair.h" |
| #include "net/http/http_network_session.h" |
| #include "url/gurl.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 |
| bool HttpStreamFactory::spdy_enabled_ = true; |
| |
| HttpStreamFactory::~HttpStreamFactory() {} |
| |
| // static |
| void HttpStreamFactory::ResetStaticSettingsToInit() { |
| spdy_enabled_ = true; |
| } |
| |
| void HttpStreamFactory::ProcessAlternateProtocol( |
| const base::WeakPtr<HttpServerProperties>& http_server_properties, |
| const std::vector<std::string>& alternate_protocol_values, |
| const HostPortPair& http_host_port_pair, |
| const HttpNetworkSession& session) { |
| AlternateProtocol protocol = UNINITIALIZED_ALTERNATE_PROTOCOL; |
| int port = 0; |
| double probability = 1; |
| for (size_t i = 0; i < alternate_protocol_values.size(); ++i) { |
| const std::string& alternate_protocol_str = alternate_protocol_values[i]; |
| if (StartsWithASCII(alternate_protocol_str, "p=", true)) { |
| if (!base::StringToDouble(alternate_protocol_str.substr(2), |
| &probability) || |
| probability < 0 || probability > 1) { |
| DVLOG(1) << kAlternateProtocolHeader |
| << " header has unrecognizable probability: " |
| << alternate_protocol_values[i]; |
| return; |
| } |
| continue; |
| } |
| |
| std::vector<std::string> port_protocol_vector; |
| base::SplitString(alternate_protocol_str, ':', &port_protocol_vector); |
| if (port_protocol_vector.size() != 2) { |
| DVLOG(1) << kAlternateProtocolHeader |
| << " header has too many tokens: " |
| << alternate_protocol_str; |
| return; |
| } |
| |
| if (!base::StringToInt(port_protocol_vector[0], &port) || |
| port == 0 || !IsPortValid(port)) { |
| DVLOG(1) << kAlternateProtocolHeader |
| << " header has unrecognizable port: " |
| << port_protocol_vector[0]; |
| return; |
| } |
| |
| protocol = AlternateProtocolFromString(port_protocol_vector[1]); |
| |
| if (IsAlternateProtocolValid(protocol) && |
| !session.IsProtocolEnabled(protocol)) { |
| DVLOG(1) << kAlternateProtocolHeader |
| << " header has unrecognized protocol: " |
| << port_protocol_vector[1]; |
| return; |
| } |
| } |
| |
| if (protocol == UNINITIALIZED_ALTERNATE_PROTOCOL) |
| return; |
| |
| HostPortPair host_port(http_host_port_pair); |
| const HostMappingRules* mapping_rules = GetHostMappingRules(); |
| if (mapping_rules) |
| mapping_rules->RewriteHost(&host_port); |
| |
| http_server_properties->SetAlternateProtocol( |
| host_port, static_cast<uint16>(port), protocol, probability); |
| } |
| |
| GURL HttpStreamFactory::ApplyHostMappingRules(const GURL& url, |
| HostPortPair* endpoint) { |
| const HostMappingRules* mapping_rules = GetHostMappingRules(); |
| if (mapping_rules && mapping_rules->RewriteHost(endpoint)) { |
| url::Replacements<char> replacements; |
| const std::string port_str = base::IntToString(endpoint->port()); |
| replacements.SetPort(port_str.c_str(), url::Component(0, port_str.size())); |
| replacements.SetHost(endpoint->host().c_str(), |
| url::Component(0, endpoint->host().size())); |
| return url.ReplaceComponents(replacements); |
| } |
| return url; |
| } |
| |
| HttpStreamFactory::HttpStreamFactory() {} |
| |
| } // namespace net |