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 "chrome/service/net/service_url_request_context.h"
6
7#if defined(OS_POSIX) && !defined(OS_MACOSX)
8#include <sys/utsname.h>
9#endif
10
11#include "base/compiler_specific.h"
12#include "base/message_loop/message_loop_proxy.h"
13#include "base/strings/stringprintf.h"
14#include "base/sys_info.h"
15#include "chrome/common/chrome_version_info.h"
16#include "chrome/service/service_process.h"
17#include "net/cert/cert_verifier.h"
18#include "net/cookies/cookie_monster.h"
19#include "net/dns/host_resolver.h"
20#include "net/http/http_auth_handler_factory.h"
21#include "net/http/http_cache.h"
22#include "net/http/http_network_session.h"
23#include "net/http/http_server_properties_impl.h"
24#include "net/proxy/proxy_config_service.h"
25#include "net/proxy/proxy_service.h"
26#include "net/ssl/ssl_config_service_defaults.h"
27#include "net/url_request/static_http_user_agent_settings.h"
28#include "net/url_request/url_request_job_factory_impl.h"
29#include "net/url_request/url_request_throttler_manager.h"
30
31namespace {
32// Copied from webkit/glue/user_agent.cc. We don't want to pull in a dependency
33// on webkit/glue which also pulls in the renderer. Also our user-agent is
34// totally different from the user-agent used by the browser, just the
35// OS-specific parts are common.
36std::string BuildOSCpuInfo() {
37  std::string os_cpu;
38
39#if defined(OS_WIN) || defined(OS_MACOSX) || defined(OS_CHROMEOS)
40  int32 os_major_version = 0;
41  int32 os_minor_version = 0;
42  int32 os_bugfix_version = 0;
43  base::SysInfo::OperatingSystemVersionNumbers(&os_major_version,
44                                               &os_minor_version,
45                                               &os_bugfix_version);
46#endif
47#if defined(OS_POSIX) && !defined(OS_MACOSX)
48  // Should work on any Posix system.
49  struct utsname unixinfo;
50  uname(&unixinfo);
51
52  std::string cputype;
53  // special case for biarch systems
54  if (strcmp(unixinfo.machine, "x86_64") == 0 &&
55      sizeof(void*) == sizeof(int32)) {  // NOLINT
56    cputype.assign("i686 (x86_64)");
57  } else {
58    cputype.assign(unixinfo.machine);
59  }
60#endif
61
62  base::StringAppendF(
63      &os_cpu,
64#if defined(OS_WIN)
65      "Windows NT %d.%d",
66      os_major_version,
67      os_minor_version
68#elif defined(OS_MACOSX)
69      "Intel Mac OS X %d_%d_%d",
70      os_major_version,
71      os_minor_version,
72      os_bugfix_version
73#elif defined(OS_CHROMEOS)
74      "CrOS %s %d.%d.%d",
75      cputype.c_str(),  // e.g. i686
76      os_major_version,
77      os_minor_version,
78      os_bugfix_version
79#else
80      "%s %s",
81      unixinfo.sysname,  // e.g. Linux
82      cputype.c_str()    // e.g. i686
83#endif
84  );  // NOLINT
85
86  return os_cpu;
87}
88
89std::string MakeUserAgentForServiceProcess() {
90  std::string user_agent;
91  chrome::VersionInfo version_info;
92  if (!version_info.is_valid()) {
93    DLOG(ERROR) << "Unable to create chrome::VersionInfo object";
94  }
95  std::string extra_version_info;
96  if (!version_info.IsOfficialBuild())
97    extra_version_info = "-devel";
98  base::StringAppendF(&user_agent,
99                      "Chrome Service %s(%s)%s %s ",
100                      version_info.Version().c_str(),
101                      version_info.LastChange().c_str(),
102                      extra_version_info.c_str(),
103                      BuildOSCpuInfo().c_str());
104  return user_agent;
105}
106
107}  // namespace
108
109ServiceURLRequestContext::ServiceURLRequestContext(
110    const std::string& user_agent,
111    net::ProxyConfigService* net_proxy_config_service)
112    : storage_(this) {
113  storage_.set_host_resolver(net::HostResolver::CreateDefaultResolver(NULL));
114  storage_.set_proxy_service(net::ProxyService::CreateUsingSystemProxyResolver(
115      net_proxy_config_service, 0u, NULL));
116  storage_.set_cert_verifier(net::CertVerifier::CreateDefault());
117  storage_.set_ssl_config_service(new net::SSLConfigServiceDefaults);
118  storage_.set_http_auth_handler_factory(
119      net::HttpAuthHandlerFactory::CreateDefault(host_resolver()));
120  storage_.set_http_server_properties(
121      scoped_ptr<net::HttpServerProperties>(
122          new net::HttpServerPropertiesImpl()));
123  storage_.set_transport_security_state(new net::TransportSecurityState);
124  storage_.set_throttler_manager(new net::URLRequestThrottlerManager);
125
126  net::HttpNetworkSession::Params session_params;
127  session_params.host_resolver = host_resolver();
128  session_params.cert_verifier = cert_verifier();
129  session_params.transport_security_state = transport_security_state();
130  session_params.proxy_service = proxy_service();
131  session_params.ssl_config_service = ssl_config_service();
132  session_params.http_auth_handler_factory = http_auth_handler_factory();
133  session_params.http_server_properties = http_server_properties();
134  scoped_refptr<net::HttpNetworkSession> network_session(
135      new net::HttpNetworkSession(session_params));
136  storage_.set_http_transaction_factory(new net::HttpCache(
137      network_session.get(), net::HttpCache::DefaultBackend::InMemory(0)));
138  // In-memory cookie store.
139  storage_.set_cookie_store(new net::CookieMonster(NULL, NULL));
140  storage_.set_job_factory(new net::URLRequestJobFactoryImpl());
141  storage_.set_http_user_agent_settings(new net::StaticHttpUserAgentSettings(
142      "en-us,fr", user_agent));
143}
144
145ServiceURLRequestContext::~ServiceURLRequestContext() {
146}
147
148ServiceURLRequestContextGetter::ServiceURLRequestContextGetter()
149    : network_task_runner_(
150          g_service_process->io_thread()->message_loop_proxy()) {
151  // Build the default user agent.
152  user_agent_ = MakeUserAgentForServiceProcess();
153
154  // TODO(sanjeevr): Change CreateSystemProxyConfigService to accept a
155  // MessageLoopProxy* instead of MessageLoop*.
156  DCHECK(g_service_process);
157  proxy_config_service_.reset(net::ProxyService::CreateSystemProxyConfigService(
158      g_service_process->io_thread()->message_loop_proxy().get(),
159      g_service_process->file_thread()->message_loop()));
160}
161
162net::URLRequestContext*
163ServiceURLRequestContextGetter::GetURLRequestContext() {
164  if (!url_request_context_.get())
165    url_request_context_.reset(
166        new ServiceURLRequestContext(user_agent_,
167                                     proxy_config_service_.release()));
168  return url_request_context_.get();
169}
170
171scoped_refptr<base::SingleThreadTaskRunner>
172ServiceURLRequestContextGetter::GetNetworkTaskRunner() const {
173  return network_task_runner_;
174}
175
176ServiceURLRequestContextGetter::~ServiceURLRequestContextGetter() {}
177