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/callback.h"
  10 #include "base/command_line.h"
  11 #include "base/files/file_path.h"
  12 #include "base/logging.h"
  13 #include "base/memory/scoped_ptr.h"
  14 #include "base/path_service.h"
  15 #include "base/strings/stringprintf.h"
  16 #include "base/strings/sys_string_conversions.h"
  17 #include "base/sys_info.h"
  18 #include "chrome/browser/policy/configuration_policy_handler_list_factory.h"
  19 #include "chrome/common/chrome_paths.h"
  20 #include "chrome/common/chrome_version_info.h"
  21 #include "components/policy/core/common/async_policy_provider.h"
  22 #include "components/policy/core/common/cloud/device_management_service.h"
  23 #include "components/policy/core/common/configuration_policy_provider.h"
  24 #include "components/policy/core/common/policy_types.h"
  25 #include "content/public/browser/browser_thread.h"
  26 #include "net/url_request/url_request_context_getter.h"
  27 #include "policy/policy_constants.h"
  28
  29 #if defined(OS_WIN)
  30 #include "components/policy/core/common/policy_loader_win.h"
  31 #elif defined(OS_MACOSX)
  32 #include <CoreFoundation/CoreFoundation.h>
  33 #include "components/policy/core/common/policy_loader_mac.h"
  34 #include "components/policy/core/common/preferences_mac.h"
  35 #elif defined(OS_POSIX) && !defined(OS_ANDROID)
  36 #include "components/policy/core/common/config_dir_policy_loader.h"
  37 #elif defined(OS_ANDROID)
  38 #include "components/policy/core/common/policy_provider_android.h"
  39 #endif
  40
  41 #if defined(OS_CHROMEOS)
  42 #include "chromeos/system/statistics_provider.h"
  43 #endif
  44
  45 using content::BrowserThread;
  46
  47 namespace policy {
  48
  49 namespace {
  50
  51 // The following constants define delays applied before the initial policy fetch
  52 // on startup. (So that displaying Chrome's GUI does not get delayed.)
  53 // Delay in milliseconds from startup.
  54 const int64 kServiceInitializationStartupDelay = 5000;
  55
  56 #if defined(OS_MACOSX)
  57 base::FilePath GetManagedPolicyPath() {
  58   // This constructs the path to the plist file in which Mac OS X stores the
  59   // managed preference for the application. This is undocumented and therefore
  60   // fragile, but if it doesn't work out, AsyncPolicyLoader has a task that
  61   // polls periodically in order to reload managed preferences later even if we
  62   // missed the change.
  63   base::FilePath path;
  64   if (!PathService::Get(chrome::DIR_MANAGED_PREFS, &path))
  65     return base::FilePath();
  66
  67   CFBundleRef bundle(CFBundleGetMainBundle());
  68   if (!bundle)
  69     return base::FilePath();
  70
  71   CFStringRef bundle_id = CFBundleGetIdentifier(bundle);
  72   if (!bundle_id)
  73     return base::FilePath();
  74
  75   return path.Append(base::SysCFStringRefToUTF8(bundle_id) + ".plist");
  76 }
  77 #endif  // defined(OS_MACOSX)
  78
  79 class DeviceManagementServiceConfiguration
  80     : public DeviceManagementService::Configuration {
  81  public:
  82   DeviceManagementServiceConfiguration() {}
  83   virtual ~DeviceManagementServiceConfiguration() {}
  84
  85   virtual std::string GetServerUrl() OVERRIDE {
  86     return BrowserPolicyConnector::GetDeviceManagementUrl();
  87   }
  88
  89   virtual std::string GetAgentParameter() OVERRIDE {
  90     chrome::VersionInfo version_info;
  91     return base::StringPrintf("%s %s(%s)",
  92                               version_info.Name().c_str(),
  93                               version_info.Version().c_str(),
  94                               version_info.LastChange().c_str());
  95   }
  96
  97   virtual std::string GetPlatformParameter() OVERRIDE {
  98     std::string os_name = base::SysInfo::OperatingSystemName();
  99     std::string os_hardware = base::SysInfo::OperatingSystemArchitecture();
 100
 101 #if defined(OS_CHROMEOS)
 102     chromeos::system::StatisticsProvider* provider =
 103         chromeos::system::StatisticsProvider::GetInstance();
 104
 105     std::string hwclass;
 106     if (!provider->GetMachineStatistic(chromeos::system::kHardwareClassKey,
 107                                        &hwclass)) {
 108       LOG(ERROR) << "Failed to get machine information";
 109     }
 110     os_name += ",CrOS," + base::SysInfo::GetLsbReleaseBoard();
 111     os_hardware += "," + hwclass;
 112 #endif
 113
 114     std::string os_version("-");
 115 #if defined(OS_WIN) || defined(OS_MACOSX) || defined(OS_CHROMEOS)
 116     int32 os_major_version = 0;
 117     int32 os_minor_version = 0;
 118     int32 os_bugfix_version = 0;
 119     base::SysInfo::OperatingSystemVersionNumbers(&os_major_version,
 120                                                  &os_minor_version,
 121                                                  &os_bugfix_version);
 122     os_version = base::StringPrintf("%d.%d.%d",
 123                                     os_major_version,
 124                                     os_minor_version,
 125                                     os_bugfix_version);
 126 #endif
 127
 128     return base::StringPrintf(
 129         "%s|%s|%s", os_name.c_str(), os_hardware.c_str(), os_version.c_str());
 130   }
 131 };
 132
 133 }  // namespace
 134
 135 ChromeBrowserPolicyConnector::ChromeBrowserPolicyConnector()
 136     : BrowserPolicyConnector(base::Bind(&BuildHandlerList)) {
 137   ConfigurationPolicyProvider* platform_provider = CreatePlatformProvider();
 138   if (platform_provider)
 139     SetPlatformPolicyProvider(make_scoped_ptr(platform_provider));
 140 }
 141
 142 ChromeBrowserPolicyConnector::~ChromeBrowserPolicyConnector() {}
 143
 144 void ChromeBrowserPolicyConnector::Init(
 145     PrefService* local_state,
 146     scoped_refptr<net::URLRequestContextGetter> request_context) {
 147   // Initialization of some of the providers requires the FILE thread; make
 148   // sure that threading is ready at this point.
 149   DCHECK(BrowserThread::IsThreadInitialized(BrowserThread::FILE));
 150
 151   scoped_ptr<DeviceManagementService::Configuration> configuration(
 152       new DeviceManagementServiceConfiguration);
 153   scoped_ptr<DeviceManagementService> device_management_service(
 154       new DeviceManagementService(configuration.Pass()));
 155   device_management_service->ScheduleInitialization(
 156       kServiceInitializationStartupDelay);
 157
 158   BrowserPolicyConnector::Init(
 159       local_state, request_context, device_management_service.Pass());
 160 }
 161
 162 ConfigurationPolicyProvider*
 163     ChromeBrowserPolicyConnector::CreatePlatformProvider() {
 164 #if defined(OS_WIN)
 165   scoped_ptr<AsyncPolicyLoader> loader(PolicyLoaderWin::Create(
 166       BrowserThread::GetMessageLoopProxyForThread(BrowserThread::FILE),
 167       kRegistryChromePolicyKey));
 168   return new AsyncPolicyProvider(GetSchemaRegistry(), loader.Pass());
 169 #elif defined(OS_MACOSX)
 170   scoped_ptr<AsyncPolicyLoader> loader(new PolicyLoaderMac(
 171       BrowserThread::GetMessageLoopProxyForThread(BrowserThread::FILE),
 172       GetManagedPolicyPath(),
 173       new MacPreferences()));
 174   return new AsyncPolicyProvider(GetSchemaRegistry(), loader.Pass());
 175 #elif defined(OS_POSIX) && !defined(OS_ANDROID)
 176   base::FilePath config_dir_path;
 177   if (PathService::Get(chrome::DIR_POLICY_FILES, &config_dir_path)) {
 178     scoped_ptr<AsyncPolicyLoader> loader(new ConfigDirPolicyLoader(
 179         BrowserThread::GetMessageLoopProxyForThread(BrowserThread::FILE),
 180         config_dir_path,
 181         POLICY_SCOPE_MACHINE));
 182     return new AsyncPolicyProvider(GetSchemaRegistry(), loader.Pass());
 183   } else {
 184     return NULL;
 185   }
 186 #elif defined(OS_ANDROID)
 187   return new PolicyProviderAndroid();
 188 #else
 189   return NULL;
 190 #endif
 191 }
 192
 193 }  // namespace policy