1 // Copyright (c) 2011 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/installer/util/google_update_settings.h" 6 7 #include "base/file_util.h" 8 #include "base/path_service.h" 9 #include "base/strings/string_util.h" 10 #include "chrome/common/chrome_paths.h" 11 12 namespace google_update { 13 14 static std::string& posix_guid() { 15 CR_DEFINE_STATIC_LOCAL(std::string, guid, ()); 16 return guid; 17 } 18 19 } // namespace google_update 20 21 // File name used in the user data dir to indicate consent. 22 static const char kConsentToSendStats[] = "Consent To Send Stats"; 23 24 // static 25 bool GoogleUpdateSettings::GetCollectStatsConsent() { 26 base::FilePath consent_file; 27 PathService::Get(chrome::DIR_USER_DATA, &consent_file); 28 consent_file = consent_file.Append(kConsentToSendStats); 29 std::string tmp_guid; 30 bool consented = file_util::ReadFileToString(consent_file, &tmp_guid); 31 if (consented) 32 google_update::posix_guid().assign(tmp_guid); 33 return consented; 34 } 35 36 // static 37 bool GoogleUpdateSettings::SetCollectStatsConsent(bool consented) { 38 base::FilePath consent_dir; 39 PathService::Get(chrome::DIR_USER_DATA, &consent_dir); 40 if (!base::DirectoryExists(consent_dir)) 41 return false; 42 43 base::FilePath consent_file = consent_dir.AppendASCII(kConsentToSendStats); 44 if (consented) { 45 if ((!base::PathExists(consent_file)) || 46 (base::PathExists(consent_file) && 47 !google_update::posix_guid().empty())) { 48 const char* c_str = google_update::posix_guid().c_str(); 49 int size = google_update::posix_guid().size(); 50 return file_util::WriteFile(consent_file, c_str, size) == size; 51 } 52 } else { 53 google_update::posix_guid().clear(); 54 return base::DeleteFile(consent_file, false); 55 } 56 return true; 57 } 58 59 bool GoogleUpdateSettings::SetMetricsId(const std::wstring& client_id) { 60 // Make sure that user has consented to send crashes. 61 base::FilePath consent_dir; 62 PathService::Get(chrome::DIR_USER_DATA, &consent_dir); 63 if (!base::DirectoryExists(consent_dir) || 64 !GoogleUpdateSettings::GetCollectStatsConsent()) 65 return false; 66 67 // Since user has consented, write the metrics id to the file. 68 google_update::posix_guid() = WideToASCII(client_id); 69 return GoogleUpdateSettings::SetCollectStatsConsent(true); 70 } 71 72 // GetLastRunTime and SetLastRunTime are not implemented for posix. Their 73 // current return values signal failure which the caller is designed to 74 // handle. 75 76 // static 77 int GoogleUpdateSettings::GetLastRunTime() { 78 return -1; 79 } 80 81 // static 82 bool GoogleUpdateSettings::SetLastRunTime() { 83 return false; 84 } 85