15821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Copyright (c) 2012 The Chromium Authors. All rights reserved. 25821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Use of this source code is governed by a BSD-style license that can be 35821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// found in the LICENSE file. 45821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 52a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)#include "chrome/browser/chromeos/policy/user_policy_disk_cache.h" 65821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 75821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "base/bind.h" 81320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci#include "base/files/file_util.h" 95d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)#include "base/location.h" 105821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "base/logging.h" 118bcbed890bc3ce4d7a057a8f32cab53fa534672eTorne (Richard Coles)#include "base/message_loop/message_loop_proxy.h" 125821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "base/metrics/histogram.h" 138bcbed890bc3ce4d7a057a8f32cab53fa534672eTorne (Richard Coles)#include "base/sequenced_task_runner.h" 14a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles)#include "components/policy/core/common/cloud/enterprise_metrics.h" 15a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles)#include "policy/proto/device_management_local.pb.h" 165821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 175821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)namespace em = enterprise_management; 185821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 195821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)namespace policy { 205821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 215821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)UserPolicyDiskCache::Delegate::~Delegate() {} 225821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 235821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)UserPolicyDiskCache::UserPolicyDiskCache( 245821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) const base::WeakPtr<Delegate>& delegate, 258bcbed890bc3ce4d7a057a8f32cab53fa534672eTorne (Richard Coles) const base::FilePath& backing_file_path, 268bcbed890bc3ce4d7a057a8f32cab53fa534672eTorne (Richard Coles) scoped_refptr<base::SequencedTaskRunner> background_task_runner) 275821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) : delegate_(delegate), 288bcbed890bc3ce4d7a057a8f32cab53fa534672eTorne (Richard Coles) backing_file_path_(backing_file_path), 298bcbed890bc3ce4d7a057a8f32cab53fa534672eTorne (Richard Coles) origin_task_runner_(base::MessageLoopProxy::current()), 308bcbed890bc3ce4d7a057a8f32cab53fa534672eTorne (Richard Coles) background_task_runner_(background_task_runner) {} 315821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 325821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void UserPolicyDiskCache::Load() { 338bcbed890bc3ce4d7a057a8f32cab53fa534672eTorne (Richard Coles) DCHECK(origin_task_runner_->RunsTasksOnCurrentThread()); 348bcbed890bc3ce4d7a057a8f32cab53fa534672eTorne (Richard Coles) bool ret = background_task_runner_->PostTask( 358bcbed890bc3ce4d7a057a8f32cab53fa534672eTorne (Richard Coles) FROM_HERE, base::Bind(&UserPolicyDiskCache::LoadOnFileThread, this)); 365821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) DCHECK(ret); 375821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 385821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 395821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void UserPolicyDiskCache::Store( 405821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) const em::CachedCloudPolicyResponse& policy) { 418bcbed890bc3ce4d7a057a8f32cab53fa534672eTorne (Richard Coles) DCHECK(origin_task_runner_->RunsTasksOnCurrentThread()); 428bcbed890bc3ce4d7a057a8f32cab53fa534672eTorne (Richard Coles) background_task_runner_->PostTask( 438bcbed890bc3ce4d7a057a8f32cab53fa534672eTorne (Richard Coles) FROM_HERE, 445821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) base::Bind(&UserPolicyDiskCache::StoreOnFileThread, this, policy)); 455821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 465821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 475821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)UserPolicyDiskCache::~UserPolicyDiskCache() {} 485821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 495821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void UserPolicyDiskCache::LoadOnFileThread() { 508bcbed890bc3ce4d7a057a8f32cab53fa534672eTorne (Richard Coles) DCHECK(background_task_runner_->RunsTasksOnCurrentThread()); 515821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 525821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) em::CachedCloudPolicyResponse cached_response; 537dbb3d5cf0c15f500944d211057644d6a2f37371Ben Murdoch if (!base::PathExists(backing_file_path_)) { 545821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) LoadDone(LOAD_RESULT_NOT_FOUND, cached_response); 555821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return; 565821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 575821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 585821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Read the protobuf from the file. 595821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) std::string data; 6058537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) if (!base::ReadFileToString(backing_file_path_, &data)) { 615821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) LOG(WARNING) << "Failed to read policy data from " 625821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) << backing_file_path_.value(); 635821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) LoadDone(LOAD_RESULT_READ_ERROR, cached_response); 645821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return; 655821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 665821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 675821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Decode it. 685821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (!cached_response.ParseFromArray(data.c_str(), data.size())) { 695821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) LOG(WARNING) << "Failed to parse policy data read from " 705821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) << backing_file_path_.value(); 715821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) LoadDone(LOAD_RESULT_PARSE_ERROR, cached_response); 725821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return; 735821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 745821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 755821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) LoadDone(LOAD_RESULT_SUCCESS, cached_response); 765821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 775821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 785821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void UserPolicyDiskCache::LoadDone( 795821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) LoadResult result, 805821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) const em::CachedCloudPolicyResponse& policy) { 818bcbed890bc3ce4d7a057a8f32cab53fa534672eTorne (Richard Coles) origin_task_runner_->PostTask( 828bcbed890bc3ce4d7a057a8f32cab53fa534672eTorne (Richard Coles) FROM_HERE, 838bcbed890bc3ce4d7a057a8f32cab53fa534672eTorne (Richard Coles) base::Bind( 848bcbed890bc3ce4d7a057a8f32cab53fa534672eTorne (Richard Coles) &UserPolicyDiskCache::ReportResultOnUIThread, this, result, policy)); 855821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 865821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 875821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void UserPolicyDiskCache::ReportResultOnUIThread( 885821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) LoadResult result, 895821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) const em::CachedCloudPolicyResponse& policy) { 908bcbed890bc3ce4d7a057a8f32cab53fa534672eTorne (Richard Coles) DCHECK(origin_task_runner_->RunsTasksOnCurrentThread()); 915821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 925821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) switch (result) { 935821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) case LOAD_RESULT_NOT_FOUND: 945821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) break; 955821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) case LOAD_RESULT_READ_ERROR: 965821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) case LOAD_RESULT_PARSE_ERROR: 978bcbed890bc3ce4d7a057a8f32cab53fa534672eTorne (Richard Coles) UMA_HISTOGRAM_ENUMERATION(policy::kMetricPolicy, 988bcbed890bc3ce4d7a057a8f32cab53fa534672eTorne (Richard Coles) kMetricPolicyLoadFailed, 998bcbed890bc3ce4d7a057a8f32cab53fa534672eTorne (Richard Coles) policy::kMetricPolicySize); 1005821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) break; 1015821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) case LOAD_RESULT_SUCCESS: 1028bcbed890bc3ce4d7a057a8f32cab53fa534672eTorne (Richard Coles) UMA_HISTOGRAM_ENUMERATION(policy::kMetricPolicy, 1038bcbed890bc3ce4d7a057a8f32cab53fa534672eTorne (Richard Coles) kMetricPolicyLoadSucceeded, 1048bcbed890bc3ce4d7a057a8f32cab53fa534672eTorne (Richard Coles) policy::kMetricPolicySize); 1058bcbed890bc3ce4d7a057a8f32cab53fa534672eTorne (Richard Coles) break; 1065821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 1075821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1085821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (delegate_.get()) 1095821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) delegate_->OnDiskCacheLoaded(result, policy); 1105821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 1115821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1125821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void UserPolicyDiskCache::StoreOnFileThread( 1135821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) const em::CachedCloudPolicyResponse& policy) { 1148bcbed890bc3ce4d7a057a8f32cab53fa534672eTorne (Richard Coles) DCHECK(background_task_runner_->RunsTasksOnCurrentThread()); 1155821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) std::string data; 1165821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (!policy.SerializeToString(&data)) { 1175821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) LOG(WARNING) << "Failed to serialize policy data"; 1188bcbed890bc3ce4d7a057a8f32cab53fa534672eTorne (Richard Coles) UMA_HISTOGRAM_ENUMERATION(policy::kMetricPolicy, 1198bcbed890bc3ce4d7a057a8f32cab53fa534672eTorne (Richard Coles) kMetricPolicyStoreFailed, 1208bcbed890bc3ce4d7a057a8f32cab53fa534672eTorne (Richard Coles) policy::kMetricPolicySize); 1215821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return; 1225821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 1235821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 124a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles) if (!base::CreateDirectory(backing_file_path_.DirName())) { 1255821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) LOG(WARNING) << "Failed to create directory " 1265821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) << backing_file_path_.DirName().value(); 1278bcbed890bc3ce4d7a057a8f32cab53fa534672eTorne (Richard Coles) UMA_HISTOGRAM_ENUMERATION(policy::kMetricPolicy, 1288bcbed890bc3ce4d7a057a8f32cab53fa534672eTorne (Richard Coles) kMetricPolicyStoreFailed, 1298bcbed890bc3ce4d7a057a8f32cab53fa534672eTorne (Richard Coles) policy::kMetricPolicySize); 1305821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return; 1315821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 1325821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1335821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) int size = data.size(); 134a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) if (base::WriteFile(backing_file_path_, data.c_str(), size) != size) { 1355821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) LOG(WARNING) << "Failed to write " << backing_file_path_.value(); 1368bcbed890bc3ce4d7a057a8f32cab53fa534672eTorne (Richard Coles) UMA_HISTOGRAM_ENUMERATION(policy::kMetricPolicy, 1378bcbed890bc3ce4d7a057a8f32cab53fa534672eTorne (Richard Coles) kMetricPolicyStoreFailed, 1388bcbed890bc3ce4d7a057a8f32cab53fa534672eTorne (Richard Coles) policy::kMetricPolicySize); 1395821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return; 1405821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 1418bcbed890bc3ce4d7a057a8f32cab53fa534672eTorne (Richard Coles) UMA_HISTOGRAM_ENUMERATION(policy::kMetricPolicy, 1428bcbed890bc3ce4d7a057a8f32cab53fa534672eTorne (Richard Coles) kMetricPolicyStoreSucceeded, 1438bcbed890bc3ce4d7a057a8f32cab53fa534672eTorne (Richard Coles) policy::kMetricPolicySize); 1445821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 1455821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1465821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} // namespace policy 147