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/sys_string_conversions.h"
  16 #include "chrome/browser/policy/configuration_policy_handler_list_factory.h"
  17 #include "chrome/browser/policy/device_management_service_configuration.h"
  18 #include "chrome/common/chrome_paths.h"
  19 #include "components/policy/core/common/async_policy_provider.h"
  20 #include "components/policy/core/common/cloud/device_management_service.h"
  21 #include "components/policy/core/common/configuration_policy_provider.h"
  22 #include "components/policy/core/common/policy_map.h"
  23 #include "components/policy/core/common/policy_namespace.h"
  24 #include "components/policy/core/common/policy_service.h"
  25 #include "components/policy/core/common/policy_types.h"
  26 #include "content/public/browser/browser_thread.h"
  27 #include "content/public/common/content_switches.h"
  28 #include "net/url_request/url_request_context_getter.h"
  29 #include "policy/policy_constants.h"
  30
  31 #if defined(OS_WIN)
  32 #include "components/policy/core/common/policy_loader_win.h"
  33 #elif defined(OS_MACOSX)
  34 #include <CoreFoundation/CoreFoundation.h>
  35 #include "components/policy/core/common/policy_loader_mac.h"
  36 #include "components/policy/core/common/preferences_mac.h"
  37 #elif defined(OS_POSIX) && !defined(OS_ANDROID)
  38 #include "components/policy/core/common/config_dir_policy_loader.h"
  39 #elif defined(OS_ANDROID)
  40 #include "components/policy/core/common/policy_provider_android.h"
  41 #endif
  42
  43 using content::BrowserThread;
  44
  45 namespace policy {
  46
  47 namespace {
  48
  49 #if defined(OS_MACOSX)
  50 base::FilePath GetManagedPolicyPath() {
  51   CFBundleRef bundle(CFBundleGetMainBundle());
  52   if (!bundle)
  53     return base::FilePath();
  54
  55   CFStringRef bundle_id = CFBundleGetIdentifier(bundle);
  56   if (!bundle_id)
  57     return base::FilePath();
  58
  59   return policy::PolicyLoaderMac::GetManagedPolicyPath(bundle_id);
  60 }
  61 #endif  // defined(OS_MACOSX)
  62
  63 }  // namespace
  64
  65 ChromeBrowserPolicyConnector::ChromeBrowserPolicyConnector()
  66     : BrowserPolicyConnector(base::Bind(&BuildHandlerList)) {
  67   ConfigurationPolicyProvider* platform_provider = CreatePlatformProvider();
  68   if (platform_provider)
  69     SetPlatformPolicyProvider(make_scoped_ptr(platform_provider));
  70 }
  71
  72 ChromeBrowserPolicyConnector::~ChromeBrowserPolicyConnector() {}
  73
  74 void ChromeBrowserPolicyConnector::Init(
  75     PrefService* local_state,
  76     scoped_refptr<net::URLRequestContextGetter> request_context) {
  77   // Initialization of some of the providers requires the FILE thread; make
  78   // sure that threading is ready at this point.
  79   DCHECK(BrowserThread::IsThreadInitialized(BrowserThread::FILE));
  80
  81   scoped_ptr<DeviceManagementService::Configuration> configuration(
  82       new DeviceManagementServiceConfiguration(
  83           BrowserPolicyConnector::GetDeviceManagementUrl()));
  84   scoped_ptr<DeviceManagementService> device_management_service(
  85       new DeviceManagementService(configuration.Pass()));
  86   device_management_service->ScheduleInitialization(
  87       kServiceInitializationStartupDelay);
  88
  89   BrowserPolicyConnector::Init(
  90       local_state, request_context, device_management_service.Pass());
  91
  92   AppendExtraFlagsPerPolicy();
  93 }
  94
  95 ConfigurationPolicyProvider*
  96     ChromeBrowserPolicyConnector::CreatePlatformProvider() {
  97 #if defined(OS_WIN)
  98   scoped_ptr<AsyncPolicyLoader> loader(PolicyLoaderWin::Create(
  99       BrowserThread::GetMessageLoopProxyForThread(BrowserThread::FILE),
 100       kRegistryChromePolicyKey));
 101   return new AsyncPolicyProvider(GetSchemaRegistry(), loader.Pass());
 102 #elif defined(OS_MACOSX)
 103   scoped_ptr<AsyncPolicyLoader> loader(new PolicyLoaderMac(
 104       BrowserThread::GetMessageLoopProxyForThread(BrowserThread::FILE),
 105       GetManagedPolicyPath(),
 106       new MacPreferences()));
 107   return new AsyncPolicyProvider(GetSchemaRegistry(), loader.Pass());
 108 #elif defined(OS_POSIX) && !defined(OS_ANDROID)
 109   base::FilePath config_dir_path;
 110   if (PathService::Get(chrome::DIR_POLICY_FILES, &config_dir_path)) {
 111     scoped_ptr<AsyncPolicyLoader> loader(new ConfigDirPolicyLoader(
 112         BrowserThread::GetMessageLoopProxyForThread(BrowserThread::FILE),
 113         config_dir_path,
 114         POLICY_SCOPE_MACHINE));
 115     return new AsyncPolicyProvider(GetSchemaRegistry(), loader.Pass());
 116   } else {
 117     return NULL;
 118   }
 119 #elif defined(OS_ANDROID)
 120   return new PolicyProviderAndroid();
 121 #else
 122   return NULL;
 123 #endif
 124 }
 125
 126 void ChromeBrowserPolicyConnector::AppendExtraFlagsPerPolicy() {
 127   PolicyService* policy_service = GetPolicyService();
 128   PolicyNamespace chrome_ns = PolicyNamespace(POLICY_DOMAIN_CHROME, "");
 129   const PolicyMap& chrome_policy = policy_service->GetPolicies(chrome_ns);
 130   base::CommandLine* command_line = base::CommandLine::ForCurrentProcess();
 131
 132   if (command_line->HasSwitch(switches::kEnableNpapi))
 133     return;
 134
 135   // The list of Plugin related policies that re-enable NPAPI. Remove once NPAPI
 136   // is dead.
 137   const std::string plugin_policies[] = { key::kEnabledPlugins,
 138                                           key::kPluginsAllowedForUrls,
 139                                           key::kPluginsBlockedForUrls,
 140                                           key::kDisabledPluginsExceptions,
 141                                           key::kDisabledPlugins };
 142   for (auto policy : plugin_policies) {
 143     if (chrome_policy.GetValue(policy)) {
 144       command_line->AppendSwitch(switches::kEnableNpapi);
 145       break;
 146     }
 147   }
 148 }
 149
 150 }  // namespace policy