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_map.h"
  25 #include "components/policy/core/common/policy_namespace.h"
  26 #include "components/policy/core/common/policy_service.h"
  27 #include "components/policy/core/common/policy_types.h"
  28 #include "chrome/common/chrome_switches.h"
  29 #include "content/public/browser/browser_thread.h"
  30 #include "net/url_request/url_request_context_getter.h"
  31 #include "policy/policy_constants.h"
  32
  33 #if defined(OS_WIN)
  34 #include "components/policy/core/common/policy_loader_win.h"
  35 #elif defined(OS_MACOSX)
  36 #include <CoreFoundation/CoreFoundation.h>
  37 #include "components/policy/core/common/policy_loader_mac.h"
  38 #include "components/policy/core/common/preferences_mac.h"
  39 #elif defined(OS_POSIX) && !defined(OS_ANDROID)
  40 #include "components/policy/core/common/config_dir_policy_loader.h"
  41 #elif defined(OS_ANDROID)
  42 #include "components/policy/core/common/policy_provider_android.h"
  43 #endif
  44
  45 #if defined(OS_CHROMEOS)
  46 #include "chromeos/system/statistics_provider.h"
  47 #endif
  48
  49 using content::BrowserThread;
  50
  51 namespace policy {
  52
  53 namespace {
  54
  55 // The following constants define delays applied before the initial policy fetch
  56 // on startup. (So that displaying Chrome's GUI does not get delayed.)
  57 // Delay in milliseconds from startup.
  58 const int64 kServiceInitializationStartupDelay = 5000;
  59
  60 #if defined(OS_MACOSX)
  61 base::FilePath GetManagedPolicyPath() {
  62   // This constructs the path to the plist file in which Mac OS X stores the
  63   // managed preference for the application. This is undocumented and therefore
  64   // fragile, but if it doesn't work out, AsyncPolicyLoader has a task that
  65   // polls periodically in order to reload managed preferences later even if we
  66   // missed the change.
  67   base::FilePath path;
  68   if (!PathService::Get(chrome::DIR_MANAGED_PREFS, &path))
  69     return base::FilePath();
  70
  71   CFBundleRef bundle(CFBundleGetMainBundle());
  72   if (!bundle)
  73     return base::FilePath();
  74
  75   CFStringRef bundle_id = CFBundleGetIdentifier(bundle);
  76   if (!bundle_id)
  77     return base::FilePath();
  78
  79   return path.Append(base::SysCFStringRefToUTF8(bundle_id) + ".plist");
  80 }
  81 #endif  // defined(OS_MACOSX)
  82
  83 class DeviceManagementServiceConfiguration
  84     : public DeviceManagementService::Configuration {
  85  public:
  86   DeviceManagementServiceConfiguration() {}
  87   virtual ~DeviceManagementServiceConfiguration() {}
  88
  89   virtual std::string GetServerUrl() OVERRIDE {
  90     return BrowserPolicyConnector::GetDeviceManagementUrl();
  91   }
  92
  93   virtual std::string GetAgentParameter() OVERRIDE {
  94     chrome::VersionInfo version_info;
  95     return base::StringPrintf("%s %s(%s)",
  96                               version_info.Name().c_str(),
  97                               version_info.Version().c_str(),
  98                               version_info.LastChange().c_str());
  99   }
 100
 101   virtual std::string GetPlatformParameter() OVERRIDE {
 102     std::string os_name = base::SysInfo::OperatingSystemName();
 103     std::string os_hardware = base::SysInfo::OperatingSystemArchitecture();
 104
 105 #if defined(OS_CHROMEOS)
 106     chromeos::system::StatisticsProvider* provider =
 107         chromeos::system::StatisticsProvider::GetInstance();
 108
 109     std::string hwclass;
 110     if (!provider->GetMachineStatistic(chromeos::system::kHardwareClassKey,
 111                                        &hwclass)) {
 112       LOG(ERROR) << "Failed to get machine information";
 113     }
 114     os_name += ",CrOS," + base::SysInfo::GetLsbReleaseBoard();
 115     os_hardware += "," + hwclass;
 116 #endif
 117
 118     std::string os_version("-");
 119 #if defined(OS_WIN) || defined(OS_MACOSX) || defined(OS_CHROMEOS)
 120     int32 os_major_version = 0;
 121     int32 os_minor_version = 0;
 122     int32 os_bugfix_version = 0;
 123     base::SysInfo::OperatingSystemVersionNumbers(&os_major_version,
 124                                                  &os_minor_version,
 125                                                  &os_bugfix_version);
 126     os_version = base::StringPrintf("%d.%d.%d",
 127                                     os_major_version,
 128                                     os_minor_version,
 129                                     os_bugfix_version);
 130 #endif
 131
 132     return base::StringPrintf(
 133         "%s|%s|%s", os_name.c_str(), os_hardware.c_str(), os_version.c_str());
 134   }
 135 };
 136
 137 }  // namespace
 138
 139 ChromeBrowserPolicyConnector::ChromeBrowserPolicyConnector()
 140     : BrowserPolicyConnector(base::Bind(&BuildHandlerList)) {
 141   ConfigurationPolicyProvider* platform_provider = CreatePlatformProvider();
 142   if (platform_provider)
 143     SetPlatformPolicyProvider(make_scoped_ptr(platform_provider));
 144 }
 145
 146 ChromeBrowserPolicyConnector::~ChromeBrowserPolicyConnector() {}
 147
 148 void ChromeBrowserPolicyConnector::Init(
 149     PrefService* local_state,
 150     scoped_refptr<net::URLRequestContextGetter> request_context) {
 151   // Initialization of some of the providers requires the FILE thread; make
 152   // sure that threading is ready at this point.
 153   DCHECK(BrowserThread::IsThreadInitialized(BrowserThread::FILE));
 154
 155   scoped_ptr<DeviceManagementService::Configuration> configuration(
 156       new DeviceManagementServiceConfiguration);
 157   scoped_ptr<DeviceManagementService> device_management_service(
 158       new DeviceManagementService(configuration.Pass()));
 159   device_management_service->ScheduleInitialization(
 160       kServiceInitializationStartupDelay);
 161
 162   BrowserPolicyConnector::Init(
 163       local_state, request_context, device_management_service.Pass());
 164
 165   AppendExtraFlagPerPolicy();
 166 }
 167
 168 ConfigurationPolicyProvider*
 169     ChromeBrowserPolicyConnector::CreatePlatformProvider() {
 170 #if defined(OS_WIN)
 171   scoped_ptr<AsyncPolicyLoader> loader(PolicyLoaderWin::Create(
 172       BrowserThread::GetMessageLoopProxyForThread(BrowserThread::FILE),
 173       kRegistryChromePolicyKey));
 174   return new AsyncPolicyProvider(GetSchemaRegistry(), loader.Pass());
 175 #elif defined(OS_MACOSX)
 176   scoped_ptr<AsyncPolicyLoader> loader(new PolicyLoaderMac(
 177       BrowserThread::GetMessageLoopProxyForThread(BrowserThread::FILE),
 178       GetManagedPolicyPath(),
 179       new MacPreferences()));
 180   return new AsyncPolicyProvider(GetSchemaRegistry(), loader.Pass());
 181 #elif defined(OS_POSIX) && !defined(OS_ANDROID)
 182   base::FilePath config_dir_path;
 183   if (PathService::Get(chrome::DIR_POLICY_FILES, &config_dir_path)) {
 184     scoped_ptr<AsyncPolicyLoader> loader(new ConfigDirPolicyLoader(
 185         BrowserThread::GetMessageLoopProxyForThread(BrowserThread::FILE),
 186         config_dir_path,
 187         POLICY_SCOPE_MACHINE));
 188     return new AsyncPolicyProvider(GetSchemaRegistry(), loader.Pass());
 189   } else {
 190     return NULL;
 191   }
 192 #elif defined(OS_ANDROID)
 193   return new PolicyProviderAndroid();
 194 #else
 195   return NULL;
 196 #endif
 197 }
 198
 199 void ChromeBrowserPolicyConnector::AppendExtraFlagPerPolicy() {
 200   PolicyService* policy_service = GetPolicyService();
 201   PolicyNamespace chrome_ns = PolicyNamespace(POLICY_DOMAIN_CHROME, "");
 202   const PolicyMap& chrome_policy = policy_service->GetPolicies(chrome_ns);
 203   const base::Value* policy_value =
 204       chrome_policy.GetValue(key::kEnableWebBasedSignin);
 205   bool enabled = false;
 206   CommandLine* command_line = CommandLine::ForCurrentProcess();
 207   if (policy_value && policy_value->GetAsBoolean(&enabled) && enabled &&
 208       !command_line->HasSwitch(switches::kEnableWebBasedSignin)) {
 209     command_line->AppendSwitch(switches::kEnableWebBasedSignin);
 210   }
 211 }
 212
 213 }  // namespace policy