components/policy/core/common/policy_loader_mac.h

   1 // Copyright (c) 2012 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 #ifndef COMPONENTS_POLICY_CORE_COMMON_POLICY_LOADER_MAC_H_
   6 #define COMPONENTS_POLICY_CORE_COMMON_POLICY_LOADER_MAC_H_
   7
   8 #include <string>
   9
  10 #include "base/files/file_path.h"
  11 #include "base/files/file_path_watcher.h"
  12 #include "base/memory/ref_counted.h"
  13 #include "components/policy/core/common/async_policy_loader.h"
  14 #include "components/policy/core/common/policy_namespace.h"
  15 #include "components/policy/policy_export.h"
  16
  17 class MacPreferences;
  18
  19 namespace base {
  20 class SequencedTaskRunner;
  21 }  // namespace base
  22
  23 namespace policy {
  24
  25 class PolicyBundle;
  26 class PolicyMap;
  27 class Schema;
  28
  29 // A policy loader that loads policies from the Mac preferences system, and
  30 // watches the managed preferences files for updates.
  31 class POLICY_EXPORT PolicyLoaderMac : public AsyncPolicyLoader {
  32  public:
  33   PolicyLoaderMac(scoped_refptr<base::SequencedTaskRunner> task_runner,
  34                   const base::FilePath& managed_policy_path,
  35                   MacPreferences* preferences);
  36
  37   // |application_id| will be passed into Mac's Preference Utilities API
  38   // instead of the default value of kCFPreferencesCurrentApplication.
  39   PolicyLoaderMac(scoped_refptr<base::SequencedTaskRunner> task_runner,
  40                   const base::FilePath& managed_policy_path,
  41                   MacPreferences* preferences,
  42                   CFStringRef application_id);
  43
  44   ~PolicyLoaderMac() override;
  45
  46   // AsyncPolicyLoader implementation.
  47   void InitOnBackgroundThread() override;
  48   scoped_ptr<PolicyBundle> Load() override;
  49   base::Time LastModificationTime() override;
  50
  51 #if defined(OS_MACOSX) && !defined(OS_IOS)
  52   // Gets the path to the preferences (.plist) file associated with the given
  53   // |bundle_id|.  The file at the returned path might not exist (yet).
  54   // Returns an empty path upon failure.
  55   static base::FilePath GetManagedPolicyPath(CFStringRef bundle_id);
  56 #endif
  57
  58  private:
  59   // Callback for the FilePathWatcher.
  60   void OnFileUpdated(const base::FilePath& path, bool error);
  61
  62   // Loads policies for the components described in the current schema_map()
  63   // which belong to the domain |domain_name|, and stores them in the |bundle|.
  64   void LoadPolicyForDomain(
  65       PolicyDomain domain,
  66       const std::string& domain_name,
  67       PolicyBundle* bundle);
  68
  69   // Loads the policies described in |schema| from the bundle identified by
  70   // |bundle_id_string|, and stores them in |policy|.
  71   void LoadPolicyForComponent(const std::string& bundle_id_string,
  72                               const Schema& schema,
  73                               PolicyMap* policy);
  74
  75   scoped_ptr<MacPreferences> preferences_;
  76
  77   // Path to the managed preferences file for the current user, if it could
  78   // be found. Updates of this file trigger a policy reload.
  79   base::FilePath managed_policy_path_;
  80
  81   // Watches for events on the |managed_policy_path_|.
  82   base::FilePathWatcher watcher_;
  83
  84   // Application ID to pass into Mac's Preference Utilities API.
  85   CFStringRef application_id_;
  86
  87   DISALLOW_COPY_AND_ASSIGN(PolicyLoaderMac);
  88 };
  89
  90 }  // namespace policy
  91
  92 #endif  // COMPONENTS_POLICY_CORE_COMMON_POLICY_LOADER_MAC_H_