blob: da9f59dda325e6a0e9e4d01a27c2d30f929f7bcd [file] [log] [blame]
// Copyright (c) 2011 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "chrome/installer/util/google_update_settings.h"
#include "base/file_util.h"
#include "base/lazy_instance.h"
#include "base/path_service.h"
#include "base/strings/string_util.h"
#include "base/strings/utf_string_conversions.h"
#include "base/synchronization/lock.h"
#include "chrome/common/chrome_paths.h"
namespace {
base::LazyInstance<std::string>::Leaky g_posix_guid = LAZY_INSTANCE_INITIALIZER;
base::LazyInstance<base::Lock>::Leaky g_posix_guid_lock =
LAZY_INSTANCE_INITIALIZER;
// File name used in the user data dir to indicate consent.
const char kConsentToSendStats[] = "Consent To Send Stats";
void SetConsentFilePermissionIfNeeded(const base::FilePath& consent_file) {
#if defined(OS_CHROMEOS)
// The consent file needs to be world readable. See http://crbug.com/383003
int permissions;
if (base::GetPosixFilePermissions(consent_file, &permissions) &&
(permissions & base::FILE_PERMISSION_READ_BY_OTHERS) == 0) {
permissions |= base::FILE_PERMISSION_READ_BY_OTHERS;
base::SetPosixFilePermissions(consent_file, permissions);
}
#endif
}
} // namespace
// static
bool GoogleUpdateSettings::GetCollectStatsConsent() {
base::FilePath consent_file;
PathService::Get(chrome::DIR_USER_DATA, &consent_file);
consent_file = consent_file.Append(kConsentToSendStats);
std::string tmp_guid;
bool consented = base::ReadFileToString(consent_file, &tmp_guid);
if (consented) {
SetConsentFilePermissionIfNeeded(consent_file);
base::AutoLock lock(g_posix_guid_lock.Get());
g_posix_guid.Get().assign(tmp_guid);
}
return consented;
}
// static
bool GoogleUpdateSettings::SetCollectStatsConsent(bool consented) {
base::FilePath consent_dir;
PathService::Get(chrome::DIR_USER_DATA, &consent_dir);
if (!base::DirectoryExists(consent_dir))
return false;
base::AutoLock lock(g_posix_guid_lock.Get());
base::FilePath consent_file = consent_dir.AppendASCII(kConsentToSendStats);
if (!consented) {
g_posix_guid.Get().clear();
return base::DeleteFile(consent_file, false);
}
const std::string& client_id = g_posix_guid.Get();
if (base::PathExists(consent_file) && client_id.empty())
return true;
int size = client_id.size();
bool write_success =
base::WriteFile(consent_file, client_id.c_str(), size) == size;
if (write_success)
SetConsentFilePermissionIfNeeded(consent_file);
return write_success;
}
// static
bool GoogleUpdateSettings::GetMetricsId(std::string* metrics_id) {
base::AutoLock lock(g_posix_guid_lock.Get());
*metrics_id = g_posix_guid.Get();
return true;
}
// static
bool GoogleUpdateSettings::SetMetricsId(const std::string& client_id) {
// Make sure that user has consented to send crashes.
base::FilePath consent_dir;
PathService::Get(chrome::DIR_USER_DATA, &consent_dir);
if (!base::DirectoryExists(consent_dir) ||
!GoogleUpdateSettings::GetCollectStatsConsent()) {
return false;
}
{
// Since user has consented, write the metrics id to the file.
base::AutoLock lock(g_posix_guid_lock.Get());
g_posix_guid.Get() = client_id;
}
return GoogleUpdateSettings::SetCollectStatsConsent(true);
}
// GetLastRunTime and SetLastRunTime are not implemented for posix. Their
// current return values signal failure which the caller is designed to
// handle.
// static
int GoogleUpdateSettings::GetLastRunTime() {
return -1;
}
// static
bool GoogleUpdateSettings::SetLastRunTime() {
return false;
}