chrome/service/net/service_url_request_context_getter.cc

   1 // Copyright 2014 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_getter.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/single_thread_task_runner.h"
  13 #include "base/strings/stringprintf.h"
  14 #include "base/sys_info.h"
  15 #include "chrome/service/service_process.h"
  16 #include "components/version_info/version_info.h"
  17 #include "net/proxy/proxy_config_service.h"
  18 #include "net/proxy/proxy_service.h"
  19 #include "net/url_request/url_request_context_builder.h"
  20
  21 namespace {
  22 // Copied from webkit/glue/user_agent.cc. We don't want to pull in a dependency
  23 // on webkit/glue which also pulls in the renderer. Also our user-agent is
  24 // totally different from the user-agent used by the browser, just the
  25 // OS-specific parts are common.
  26 std::string BuildOSCpuInfo() {
  27   std::string os_cpu;
  28
  29 #if defined(OS_WIN) || defined(OS_MACOSX) || defined(OS_CHROMEOS)
  30   int32 os_major_version = 0;
  31   int32 os_minor_version = 0;
  32   int32 os_bugfix_version = 0;
  33   base::SysInfo::OperatingSystemVersionNumbers(&os_major_version,
  34                                                &os_minor_version,
  35                                                &os_bugfix_version);
  36 #endif
  37 #if defined(OS_POSIX) && !defined(OS_MACOSX)
  38   // Should work on any Posix system.
  39   struct utsname unixinfo;
  40   uname(&unixinfo);
  41
  42   std::string cputype;
  43   // special case for biarch systems
  44   if (strcmp(unixinfo.machine, "x86_64") == 0 &&
  45       sizeof(void*) == sizeof(int32)) {  // NOLINT
  46     cputype.assign("i686 (x86_64)");
  47   } else {
  48     cputype.assign(unixinfo.machine);
  49   }
  50 #endif
  51
  52   base::StringAppendF(
  53       &os_cpu,
  54 #if defined(OS_WIN)
  55       "Windows NT %d.%d",
  56       os_major_version,
  57       os_minor_version
  58 #elif defined(OS_MACOSX)
  59       "Intel Mac OS X %d_%d_%d",
  60       os_major_version,
  61       os_minor_version,
  62       os_bugfix_version
  63 #elif defined(OS_CHROMEOS)
  64       "CrOS %s %d.%d.%d",
  65       cputype.c_str(),  // e.g. i686
  66       os_major_version,
  67       os_minor_version,
  68       os_bugfix_version
  69 #else
  70       "%s %s",
  71       unixinfo.sysname,  // e.g. Linux
  72       cputype.c_str()    // e.g. i686
  73 #endif
  74   );  // NOLINT
  75
  76   return os_cpu;
  77 }
  78
  79 // Returns the default user agent.
  80 std::string MakeUserAgentForServiceProcess() {
  81   std::string user_agent;
  82   std::string extra_version_info;
  83   if (!version_info::IsOfficialBuild())
  84     extra_version_info = "-devel";
  85   base::StringAppendF(&user_agent,
  86                       "Chrome Service %s(%s)%s %s ",
  87                       version_info::GetVersionNumber().c_str(),
  88                       version_info::GetLastChange().c_str(),
  89                       extra_version_info.c_str(),
  90                       BuildOSCpuInfo().c_str());
  91   return user_agent;
  92 }
  93
  94 }  // namespace
  95
  96 ServiceURLRequestContextGetter::ServiceURLRequestContextGetter()
  97     : user_agent_(MakeUserAgentForServiceProcess()),
  98       network_task_runner_(g_service_process->io_task_runner()) {
  99   DCHECK(g_service_process);
 100   proxy_config_service_.reset(net::ProxyService::CreateSystemProxyConfigService(
 101       g_service_process->io_task_runner(),
 102       g_service_process->file_task_runner()));
 103 }
 104
 105 net::URLRequestContext*
 106 ServiceURLRequestContextGetter::GetURLRequestContext() {
 107   if (!url_request_context_.get()) {
 108     net::URLRequestContextBuilder builder;
 109     builder.set_user_agent(user_agent_);
 110     builder.set_accept_language("en-us,fr");
 111     builder.set_proxy_config_service(proxy_config_service_.release());
 112     builder.set_throttling_enabled(true);
 113     url_request_context_.reset(builder.Build());
 114   }
 115   return url_request_context_.get();
 116 }
 117
 118 scoped_refptr<base::SingleThreadTaskRunner>
 119 ServiceURLRequestContextGetter::GetNetworkTaskRunner() const {
 120   return network_task_runner_;
 121 }
 122
 123 ServiceURLRequestContextGetter::~ServiceURLRequestContextGetter() {}