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 "components/signin/core/common/signin_switches.h"
  27 #include "content/public/browser/browser_thread.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   // This constructs the path to the plist file in which Mac OS X stores the
  52   // managed preference for the application. This is undocumented and therefore
  53   // fragile, but if it doesn't work out, AsyncPolicyLoader has a task that
  54   // polls periodically in order to reload managed preferences later even if we
  55   // missed the change.
  56   base::FilePath path;
  57   if (!PathService::Get(chrome::DIR_MANAGED_PREFS, &path))
  58     return base::FilePath();
  59
  60   CFBundleRef bundle(CFBundleGetMainBundle());
  61   if (!bundle)
  62     return base::FilePath();
  63
  64   CFStringRef bundle_id = CFBundleGetIdentifier(bundle);
  65   if (!bundle_id)
  66     return base::FilePath();
  67
  68   return path.Append(base::SysCFStringRefToUTF8(bundle_id) + ".plist");
  69 }
  70 #endif  // defined(OS_MACOSX)
  71
  72 }  // namespace
  73
  74 ChromeBrowserPolicyConnector::ChromeBrowserPolicyConnector()
  75     : BrowserPolicyConnector(base::Bind(&BuildHandlerList)) {
  76   ConfigurationPolicyProvider* platform_provider = CreatePlatformProvider();
  77   if (platform_provider)
  78     SetPlatformPolicyProvider(make_scoped_ptr(platform_provider));
  79 }
  80
  81 ChromeBrowserPolicyConnector::~ChromeBrowserPolicyConnector() {}
  82
  83 void ChromeBrowserPolicyConnector::Init(
  84     PrefService* local_state,
  85     scoped_refptr<net::URLRequestContextGetter> request_context) {
  86   // Initialization of some of the providers requires the FILE thread; make
  87   // sure that threading is ready at this point.
  88   DCHECK(BrowserThread::IsThreadInitialized(BrowserThread::FILE));
  89
  90   scoped_ptr<DeviceManagementService::Configuration> configuration(
  91       new DeviceManagementServiceConfiguration(
  92           BrowserPolicyConnector::GetDeviceManagementUrl()));
  93   scoped_ptr<DeviceManagementService> device_management_service(
  94       new DeviceManagementService(configuration.Pass()));
  95   device_management_service->ScheduleInitialization(
  96       kServiceInitializationStartupDelay);
  97
  98   BrowserPolicyConnector::Init(
  99       local_state, request_context, device_management_service.Pass());
 100
 101   AppendExtraFlagPerPolicy();
 102 }
 103
 104 ConfigurationPolicyProvider*
 105     ChromeBrowserPolicyConnector::CreatePlatformProvider() {
 106 #if defined(OS_WIN)
 107   scoped_ptr<AsyncPolicyLoader> loader(PolicyLoaderWin::Create(
 108       BrowserThread::GetMessageLoopProxyForThread(BrowserThread::FILE),
 109       kRegistryChromePolicyKey));
 110   return new AsyncPolicyProvider(GetSchemaRegistry(), loader.Pass());
 111 #elif defined(OS_MACOSX)
 112   scoped_ptr<AsyncPolicyLoader> loader(new PolicyLoaderMac(
 113       BrowserThread::GetMessageLoopProxyForThread(BrowserThread::FILE),
 114       GetManagedPolicyPath(),
 115       new MacPreferences()));
 116   return new AsyncPolicyProvider(GetSchemaRegistry(), loader.Pass());
 117 #elif defined(OS_POSIX) && !defined(OS_ANDROID)
 118   base::FilePath config_dir_path;
 119   if (PathService::Get(chrome::DIR_POLICY_FILES, &config_dir_path)) {
 120     scoped_ptr<AsyncPolicyLoader> loader(new ConfigDirPolicyLoader(
 121         BrowserThread::GetMessageLoopProxyForThread(BrowserThread::FILE),
 122         config_dir_path,
 123         POLICY_SCOPE_MACHINE));
 124     return new AsyncPolicyProvider(GetSchemaRegistry(), loader.Pass());
 125   } else {
 126     return NULL;
 127   }
 128 #elif defined(OS_ANDROID)
 129   return new PolicyProviderAndroid();
 130 #else
 131   return NULL;
 132 #endif
 133 }
 134
 135 void ChromeBrowserPolicyConnector::AppendExtraFlagPerPolicy() {
 136   PolicyService* policy_service = GetPolicyService();
 137   PolicyNamespace chrome_ns = PolicyNamespace(POLICY_DOMAIN_CHROME, "");
 138   const PolicyMap& chrome_policy = policy_service->GetPolicies(chrome_ns);
 139   const base::Value* policy_value =
 140       chrome_policy.GetValue(key::kEnableWebBasedSignin);
 141   bool enabled = false;
 142   CommandLine* command_line = CommandLine::ForCurrentProcess();
 143   if (policy_value && policy_value->GetAsBoolean(&enabled) && enabled &&
 144       !command_line->HasSwitch(switches::kEnableWebBasedSignin)) {
 145     command_line->AppendSwitch(switches::kEnableWebBasedSignin);
 146   }
 147 }
 148
 149 }  // namespace policy