chrome/browser/chromeos/settings/device_settings_cache.cc

   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 #include "chrome/browser/chromeos/settings/device_settings_cache.h"
   6
   7 #include <string>
   8
   9 #include "base/base64.h"
  10 #include "base/bind.h"
  11 #include "base/prefs/pref_registry_simple.h"
  12 #include "base/prefs/pref_service.h"
  13 #include "chrome/browser/chromeos/settings/cros_settings.h"
  14 #include "chrome/common/pref_names.h"
  15 #include "policy/proto/device_management_backend.pb.h"
  16
  17 namespace em = enterprise_management;
  18
  19 namespace chromeos {
  20
  21 namespace device_settings_cache {
  22
  23 void RegisterPrefs(PrefRegistrySimple* registry) {
  24   registry->RegisterStringPref(prefs::kDeviceSettingsCache, "invalid");
  25 }
  26
  27 bool Store(const em::PolicyData& policy, PrefService* local_state) {
  28   if (local_state) {
  29     std::string policy_string = policy.SerializeAsString();
  30     std::string encoded;
  31     base::Base64Encode(policy_string, &encoded);
  32     local_state->SetString(prefs::kDeviceSettingsCache, encoded);
  33     return true;
  34   }
  35   return false;
  36 }
  37
  38 bool Retrieve(em::PolicyData *policy, PrefService* local_state) {
  39   if (local_state) {
  40     std::string encoded =
  41         local_state->GetString(prefs::kDeviceSettingsCache);
  42     std::string policy_string;
  43     if (!base::Base64Decode(encoded, &policy_string)) {
  44       // This is normal and happens on first boot.
  45       VLOG(1) << "Can't decode policy from base64.";
  46       return false;
  47     }
  48     return policy->ParseFromString(policy_string);
  49   }
  50   return false;
  51 }
  52
  53 }  // namespace device_settings_cache
  54
  55 }  // namespace chromeos