src/chrome/browser/policy/chrome_browser_policy_connector.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/browser/policy/chrome_browser_policy_connector.h"
   6
   7 #include <string>
   8
   9 #include "base/command_line.h"
  10 #include "base/files/file_path.h"
  11 #include "base/logging.h"
  12 #include "base/memory/scoped_ptr.h"
  13 #include "base/path_service.h"
  14 #include "base/strings/stringprintf.h"
  15 #include "base/strings/sys_string_conversions.h"
  16 #include "base/sys_info.h"
  17 #include "chrome/browser/policy/configuration_policy_handler_list_factory.h"
  18 #include "chrome/common/chrome_paths.h"
  19 #include "chrome/common/chrome_version_info.h"
  20 #include "components/policy/core/common/async_policy_provider.h"
  21 #include "components/policy/core/common/cloud/device_management_service.h"
  22 #include "components/policy/core/common/configuration_policy_provider.h"
  23 #include "components/policy/core/common/policy_types.h"
  24 #include "content/public/browser/browser_thread.h"
  25 #include "net/url_request/url_request_context_getter.h"
  26 #include "policy/policy_constants.h"
  27
  28 #if defined(OS_WIN)
  29 #include "components/policy/core/common/policy_loader_win.h"
  30 #elif defined(OS_MACOSX)
  31 #include <CoreFoundation/CoreFoundation.h>
  32 #include "components/policy/core/common/policy_loader_mac.h"
  33 #include "components/policy/core/common/preferences_mac.h"
  34 #elif defined(OS_POSIX) && !defined(OS_ANDROID)
  35 #include "components/policy/core/common/config_dir_policy_loader.h"
  36 #endif
  37
  38 #if defined(OS_CHROMEOS)
  39 #include "chromeos/system/statistics_provider.h"
  40 #endif
  41
  42 using content::BrowserThread;
  43
  44 namespace policy {
  45
  46 namespace {
  47
  48 // The following constants define delays applied before the initial policy fetch
  49 // on startup. (So that displaying Chrome's GUI does not get delayed.)
  50 // Delay in milliseconds from startup.
  51 const int64 kServiceInitializationStartupDelay = 5000;
  52
  53 #if defined(OS_MACOSX)
  54 base::FilePath GetManagedPolicyPath() {
  55   // This constructs the path to the plist file in which Mac OS X stores the
  56   // managed preference for the application. This is undocumented and therefore
  57   // fragile, but if it doesn't work out, AsyncPolicyLoader has a task that
  58   // polls periodically in order to reload managed preferences later even if we
  59   // missed the change.
  60   base::FilePath path;
  61   if (!PathService::Get(chrome::DIR_MANAGED_PREFS, &path))
  62     return base::FilePath();
  63
  64   CFBundleRef bundle(CFBundleGetMainBundle());
  65   if (!bundle)
  66     return base::FilePath();
  67
  68   CFStringRef bundle_id = CFBundleGetIdentifier(bundle);
  69   if (!bundle_id)
  70     return base::FilePath();
  71
  72   return path.Append(base::SysCFStringRefToUTF8(bundle_id) + ".plist");
  73 }
  74 #endif  // defined(OS_MACOSX)
  75
  76 class DeviceManagementServiceConfiguration
  77     : public DeviceManagementService::Configuration {
  78  public:
  79   DeviceManagementServiceConfiguration() {}
  80   virtual ~DeviceManagementServiceConfiguration() {}
  81
  82   virtual std::string GetServerUrl() OVERRIDE {
  83     return BrowserPolicyConnector::GetDeviceManagementUrl();
  84   }
  85
  86   virtual std::string GetAgentParameter() OVERRIDE {
  87     chrome::VersionInfo version_info;
  88     return base::StringPrintf("%s %s(%s)",
  89                               version_info.Name().c_str(),
  90                               version_info.Version().c_str(),
  91                               version_info.LastChange().c_str());
  92   }
  93
  94   virtual std::string GetPlatformParameter() OVERRIDE {
  95     std::string os_name = base::SysInfo::OperatingSystemName();
  96     std::string os_hardware = base::SysInfo::OperatingSystemArchitecture();
  97
  98 #if defined(OS_CHROMEOS)
  99     chromeos::system::StatisticsProvider* provider =
 100         chromeos::system::StatisticsProvider::GetInstance();
 101
 102     std::string hwclass;
 103     if (!provider->GetMachineStatistic(chromeos::system::kHardwareClassKey,
 104                                        &hwclass)) {
 105       LOG(ERROR) << "Failed to get machine information";
 106     }
 107     os_name += ",CrOS," + base::SysInfo::GetLsbReleaseBoard();
 108     os_hardware += "," + hwclass;
 109 #endif
 110
 111     std::string os_version("-");
 112 #if defined(OS_WIN) || defined(OS_MACOSX) || defined(OS_CHROMEOS)
 113     int32 os_major_version = 0;
 114     int32 os_minor_version = 0;
 115     int32 os_bugfix_version = 0;
 116     base::SysInfo::OperatingSystemVersionNumbers(&os_major_version,
 117                                                  &os_minor_version,
 118                                                  &os_bugfix_version);
 119     os_version = base::StringPrintf("%d.%d.%d",
 120                                     os_major_version,
 121                                     os_minor_version,
 122                                     os_bugfix_version);
 123 #endif
 124
 125     return base::StringPrintf(
 126         "%s|%s|%s", os_name.c_str(), os_hardware.c_str(), os_version.c_str());
 127   }
 128 };
 129
 130 }  // namespace
 131
 132 ChromeBrowserPolicyConnector::ChromeBrowserPolicyConnector()
 133     : BrowserPolicyConnector(BuildHandlerList()) {
 134   ConfigurationPolicyProvider* platform_provider = CreatePlatformProvider();
 135   if (platform_provider)
 136     SetPlatformPolicyProvider(make_scoped_ptr(platform_provider));
 137 }
 138
 139 ChromeBrowserPolicyConnector::~ChromeBrowserPolicyConnector() {}
 140
 141 void ChromeBrowserPolicyConnector::Init(
 142     PrefService* local_state,
 143     scoped_refptr<net::URLRequestContextGetter> request_context) {
 144   // Initialization of some of the providers requires the FILE thread; make
 145   // sure that threading is ready at this point.
 146   DCHECK(BrowserThread::IsThreadInitialized(BrowserThread::FILE));
 147
 148   scoped_ptr<DeviceManagementService::Configuration> configuration(
 149       new DeviceManagementServiceConfiguration);
 150   scoped_ptr<DeviceManagementService> device_management_service(
 151       new DeviceManagementService(configuration.Pass()));
 152   device_management_service->ScheduleInitialization(
 153       kServiceInitializationStartupDelay);
 154
 155   BrowserPolicyConnector::Init(
 156       local_state, request_context, device_management_service.Pass());
 157 }
 158
 159 ConfigurationPolicyProvider*
 160     ChromeBrowserPolicyConnector::CreatePlatformProvider() {
 161 #if defined(OS_WIN)
 162   scoped_ptr<AsyncPolicyLoader> loader(PolicyLoaderWin::Create(
 163       BrowserThread::GetMessageLoopProxyForThread(BrowserThread::FILE),
 164       kRegistryChromePolicyKey));
 165   return new AsyncPolicyProvider(GetSchemaRegistry(), loader.Pass());
 166 #elif defined(OS_MACOSX)
 167   scoped_ptr<AsyncPolicyLoader> loader(new PolicyLoaderMac(
 168       BrowserThread::GetMessageLoopProxyForThread(BrowserThread::FILE),
 169       GetManagedPolicyPath(),
 170       new MacPreferences()));
 171   return new AsyncPolicyProvider(GetSchemaRegistry(), loader.Pass());
 172 #elif defined(OS_POSIX) && !defined(OS_ANDROID)
 173   base::FilePath config_dir_path;
 174   if (PathService::Get(chrome::DIR_POLICY_FILES, &config_dir_path)) {
 175     scoped_ptr<AsyncPolicyLoader> loader(new ConfigDirPolicyLoader(
 176         BrowserThread::GetMessageLoopProxyForThread(BrowserThread::FILE),
 177         config_dir_path,
 178         POLICY_SCOPE_MACHINE));
 179     return new AsyncPolicyProvider(GetSchemaRegistry(), loader.Pass());
 180   } else {
 181     return NULL;
 182   }
 183 #else
 184   return NULL;
 185 #endif
 186 }
 187
 188 }  // namespace policy