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