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// Copyright (c) 2013 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/browser/chromeos/policy/device_local_account.h"
#include <set>
#include "base/basictypes.h"
#include "base/logging.h"
#include "base/memory/scoped_ptr.h"
#include "base/strings/string_number_conversions.h"
#include "base/strings/string_util.h"
#include "base/values.h"
#include "chrome/browser/chromeos/ownership/owner_settings_service_chromeos.h"
#include "chrome/browser/chromeos/settings/cros_settings.h"
#include "chromeos/login/user_names.h"
#include "chromeos/settings/cros_settings_names.h"
#include "google_apis/gaia/gaia_auth_util.h"
namespace policy {
namespace {
const char kPublicAccountDomainPrefix[] = "public-accounts";
const char kKioskAppAccountDomainPrefix[] = "kiosk-apps";
const char kDeviceLocalAccountDomainSuffix[] = ".device-local.localhost";
} // namespace
DeviceLocalAccount::DeviceLocalAccount(Type type,
const std::string& account_id,
const std::string& kiosk_app_id,
const std::string& kiosk_app_update_url)
: type(type),
account_id(account_id),
user_id(GenerateDeviceLocalAccountUserId(account_id, type)),
kiosk_app_id(kiosk_app_id),
kiosk_app_update_url(kiosk_app_update_url) {
}
DeviceLocalAccount::~DeviceLocalAccount() {
}
std::string GenerateDeviceLocalAccountUserId(const std::string& account_id,
DeviceLocalAccount::Type type) {
std::string domain_prefix;
switch (type) {
case DeviceLocalAccount::TYPE_PUBLIC_SESSION:
domain_prefix = kPublicAccountDomainPrefix;
break;
case DeviceLocalAccount::TYPE_KIOSK_APP:
domain_prefix = kKioskAppAccountDomainPrefix;
break;
case DeviceLocalAccount::TYPE_COUNT:
NOTREACHED();
break;
}
return gaia::CanonicalizeEmail(
base::HexEncode(account_id.c_str(), account_id.size()) + "@" +
domain_prefix + kDeviceLocalAccountDomainSuffix);
}
bool IsDeviceLocalAccountUser(const std::string& user_id,
DeviceLocalAccount::Type* type) {
// For historical reasons, the guest user ID does not contain an @ symbol and
// therefore, cannot be parsed by gaia::ExtractDomainName().
if (user_id == chromeos::login::kGuestUserName)
return false;
const std::string domain = gaia::ExtractDomainName(user_id);
if (!base::EndsWith(domain, kDeviceLocalAccountDomainSuffix, true))
return false;
const std::string domain_prefix = domain.substr(
0, domain.size() - arraysize(kDeviceLocalAccountDomainSuffix) + 1);
if (domain_prefix == kPublicAccountDomainPrefix) {
if (type)
*type = DeviceLocalAccount::TYPE_PUBLIC_SESSION;
return true;
}
if (domain_prefix == kKioskAppAccountDomainPrefix) {
if (type)
*type = DeviceLocalAccount::TYPE_KIOSK_APP;
return true;
}
// |user_id| is a device-local account but its type is not recognized.
NOTREACHED();
if (type)
*type = DeviceLocalAccount::TYPE_COUNT;
return true;
}
void SetDeviceLocalAccounts(chromeos::OwnerSettingsServiceChromeOS* service,
const std::vector<DeviceLocalAccount>& accounts) {
base::ListValue list;
for (std::vector<DeviceLocalAccount>::const_iterator it = accounts.begin();
it != accounts.end(); ++it) {
scoped_ptr<base::DictionaryValue> entry(new base::DictionaryValue);
entry->SetStringWithoutPathExpansion(
chromeos::kAccountsPrefDeviceLocalAccountsKeyId,
it->account_id);
entry->SetIntegerWithoutPathExpansion(
chromeos::kAccountsPrefDeviceLocalAccountsKeyType,
it->type);
if (it->type == DeviceLocalAccount::TYPE_KIOSK_APP) {
entry->SetStringWithoutPathExpansion(
chromeos::kAccountsPrefDeviceLocalAccountsKeyKioskAppId,
it->kiosk_app_id);
if (!it->kiosk_app_update_url.empty()) {
entry->SetStringWithoutPathExpansion(
chromeos::kAccountsPrefDeviceLocalAccountsKeyKioskAppUpdateURL,
it->kiosk_app_update_url);
}
}
list.Append(entry.release());
}
service->Set(chromeos::kAccountsPrefDeviceLocalAccounts, list);
}
std::vector<DeviceLocalAccount> GetDeviceLocalAccounts(
chromeos::CrosSettings* cros_settings) {
std::vector<DeviceLocalAccount> accounts;
const base::ListValue* list = NULL;
cros_settings->GetList(chromeos::kAccountsPrefDeviceLocalAccounts, &list);
if (!list)
return accounts;
std::set<std::string> account_ids;
for (size_t i = 0; i < list->GetSize(); ++i) {
const base::DictionaryValue* entry = NULL;
if (!list->GetDictionary(i, &entry)) {
LOG(ERROR) << "Corrupt entry in device-local account list at index " << i
<< ".";
continue;
}
std::string account_id;
if (!entry->GetStringWithoutPathExpansion(
chromeos::kAccountsPrefDeviceLocalAccountsKeyId, &account_id) ||
account_id.empty()) {
LOG(ERROR) << "Missing account ID in device-local account list at index "
<< i << ".";
continue;
}
int type;
if (!entry->GetIntegerWithoutPathExpansion(
chromeos::kAccountsPrefDeviceLocalAccountsKeyType, &type) ||
type < 0 || type >= DeviceLocalAccount::TYPE_COUNT) {
LOG(ERROR) << "Missing or invalid account type in device-local account "
<< "list at index " << i << ".";
continue;
}
std::string kiosk_app_id;
std::string kiosk_app_update_url;
if (type == DeviceLocalAccount::TYPE_KIOSK_APP) {
if (!entry->GetStringWithoutPathExpansion(
chromeos::kAccountsPrefDeviceLocalAccountsKeyKioskAppId,
&kiosk_app_id)) {
LOG(ERROR) << "Missing app ID in device-local account entry at index "
<< i << ".";
continue;
}
entry->GetStringWithoutPathExpansion(
chromeos::kAccountsPrefDeviceLocalAccountsKeyKioskAppUpdateURL,
&kiosk_app_update_url);
}
if (!account_ids.insert(account_id).second) {
LOG(ERROR) << "Duplicate entry in device-local account list at index "
<< i << ": " << account_id << ".";
continue;
}
accounts.push_back(
DeviceLocalAccount(static_cast<DeviceLocalAccount::Type>(type),
account_id,
kiosk_app_id,
kiosk_app_update_url));
}
return accounts;
}
} // namespace policy
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