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// Copyright (c) 2010 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/autofill/autofill_ie_toolbar_import_win.h"
#include "base/basictypes.h"
#include "base/string16.h"
#include "base/win/registry.h"
#include "chrome/browser/autofill/autofill_profile.h"
#include "chrome/browser/autofill/credit_card.h"
#include "chrome/browser/autofill/field_types.h"
#include "chrome/browser/autofill/personal_data_manager.h"
#include "chrome/browser/sync/util/data_encryption.h"
using base::win::RegKey;
// Forward declaration. This function is not in unnamed namespace as it
// is referenced in the unittest.
bool ImportCurrentUserProfiles(std::vector<AutoFillProfile>* profiles,
std::vector<CreditCard>* credit_cards);
namespace {
#if defined(GOOGLE_CHROME_BUILD)
#include "chrome/browser/autofill/internal/autofill_ie_toolbar_decryption.h"
#else // defined(GOOGLE_CHROME_BUILD)
inline std::wstring DecryptCCNumber(const std::wstring& data) {
return std::wstring();
}
inline bool IsEmptySalt(const std::wstring& salt) {
return false;
}
#endif // defined(GOOGLE_CHROME_BUILD)
const wchar_t* const kProfileKey =
L"Software\\Google\\Google Toolbar\\4.0\\Autofill\\Profiles";
const wchar_t* const kCreditCardKey =
L"Software\\Google\\Google Toolbar\\4.0\\Autofill\\Credit Cards";
const wchar_t* const kPasswordHashValue = L"password_hash";
const wchar_t* const kSaltValue = L"salt";
string16 ReadAndDecryptValue(RegKey* key, const wchar_t* value_name) {
DWORD data_type = REG_BINARY;
DWORD data_size = 0;
if (!key->ReadValue(value_name, NULL, &data_size, &data_type) ||
!data_size || data_type != REG_BINARY)
return string16();
std::vector<uint8> data;
data.resize(data_size);
if (key->ReadValue(value_name, &(data[0]), &data_size, &data_type)) {
std::string out_data;
if (DecryptData(data, &out_data)) {
// The actual data is in UTF16 already.
if (!(out_data.size() & 1) && (out_data.size() > 2) &&
!out_data[out_data.size() - 1] && !out_data[out_data.size() - 2]) {
return string16(
reinterpret_cast<const wchar_t *>(out_data.c_str()));
}
}
}
return string16();
}
struct {
AutoFillFieldType field_type;
const wchar_t *reg_value_name;
} profile_reg_values[] = {
{ NAME_FIRST, L"name_first" },
{ NAME_MIDDLE, L"name_middle" },
{ NAME_LAST, L"name_last" },
{ NAME_SUFFIX, L"name_suffix" },
{ EMAIL_ADDRESS, L"email" },
{ COMPANY_NAME, L"company_name" },
{ PHONE_HOME_NUMBER, L"phone_home_number" },
{ PHONE_HOME_CITY_CODE, L"phone_home_city_code" },
{ PHONE_HOME_COUNTRY_CODE, L"phone_home_country_code" },
{ PHONE_FAX_NUMBER, L"phone_fax_number" },
{ PHONE_FAX_CITY_CODE, L"phone_fax_city_code" },
{ PHONE_FAX_COUNTRY_CODE, L"phone_fax_country_code" },
{ ADDRESS_HOME_LINE1, L"address_home_line1" },
{ ADDRESS_HOME_LINE2, L"address_home_line2" },
{ ADDRESS_HOME_CITY, L"address_home_city" },
{ ADDRESS_HOME_STATE, L"address_home_state" },
{ ADDRESS_HOME_ZIP, L"address_home_zip" },
{ ADDRESS_HOME_COUNTRY, L"address_home_country" },
{ ADDRESS_BILLING_LINE1, L"address_billing_line1" },
{ ADDRESS_BILLING_LINE2, L"address_billing_line2" },
{ ADDRESS_BILLING_CITY, L"address_billing_city" },
{ ADDRESS_BILLING_STATE, L"address_billing_state" },
{ ADDRESS_BILLING_ZIP, L"address_billing_zip" },
{ ADDRESS_BILLING_COUNTRY, L"address_billing_country" },
{ CREDIT_CARD_NAME, L"credit_card_name" },
{ CREDIT_CARD_NUMBER, L"credit_card_number" },
{ CREDIT_CARD_EXP_MONTH, L"credit_card_exp_month" },
{ CREDIT_CARD_EXP_4_DIGIT_YEAR, L"credit_card_exp_4_digit_year" },
{ CREDIT_CARD_TYPE, L"credit_card_type" },
// We do not import verification code.
};
typedef std::map<std::wstring, AutoFillFieldType> RegToFieldMap;
bool ImportSingleProfile(FormGroup* profile,
RegKey* key,
const RegToFieldMap& reg_to_field ) {
DCHECK(profile != NULL);
if (!key->Valid())
return false;
bool has_non_empty_fields = false;
for (uint32 value_index = 0; value_index < key->ValueCount(); ++value_index) {
std::wstring value_name;
if (!key->ReadName(value_index, &value_name))
continue;
RegToFieldMap::const_iterator it = reg_to_field.find(value_name);
if (it == reg_to_field.end())
continue; // This field is not imported.
string16 field_value = ReadAndDecryptValue(key, value_name.c_str());
if (!field_value.empty()) {
has_non_empty_fields = true;
profile->SetInfo(AutoFillType(it->second), field_value);
}
}
return has_non_empty_fields;
}
// Imports profiles from the IE toolbar and stores them. Asynchronous
// if PersonalDataManager has not been loaded yet. Deletes itself on completion.
class AutoFillImporter : public PersonalDataManager::Observer {
public:
explicit AutoFillImporter(PersonalDataManager* personal_data_manager)
: personal_data_manager_(personal_data_manager) {
personal_data_manager_->SetObserver(this);
}
bool ImportProfiles() {
if (!ImportCurrentUserProfiles(&profiles_, &credit_cards_)) {
delete this;
return false;
}
if (personal_data_manager_->IsDataLoaded())
OnPersonalDataLoaded();
return true;
}
// PersonalDataManager::Observer methods:
virtual void OnPersonalDataLoaded() {
if (!profiles_.empty())
personal_data_manager_->SetProfiles(&profiles_);
if (!credit_cards_.empty())
personal_data_manager_->SetCreditCards(&credit_cards_);
delete this;
}
private:
~AutoFillImporter() {
personal_data_manager_->RemoveObserver(this);
}
PersonalDataManager* personal_data_manager_;
std::vector<AutoFillProfile> profiles_;
std::vector<CreditCard> credit_cards_;
};
} // namespace
// Imports AutoFill profiles and credit cards from IE Toolbar if present and not
// password protected. Returns true if data is successfully retrieved. False if
// there is no data, data is password protected or error occurred.
bool ImportCurrentUserProfiles(std::vector<AutoFillProfile>* profiles,
std::vector<CreditCard>* credit_cards) {
DCHECK(profiles);
DCHECK(credit_cards);
// Create a map of possible fields for a quick access.
RegToFieldMap reg_to_field;
for (size_t i = 0; i < arraysize(profile_reg_values); ++i) {
reg_to_field[std::wstring(profile_reg_values[i].reg_value_name)] =
profile_reg_values[i].field_type;
}
base::win::RegistryKeyIterator iterator_profiles(HKEY_CURRENT_USER,
kProfileKey);
for (; iterator_profiles.Valid(); ++iterator_profiles) {
std::wstring key_name(kProfileKey);
key_name.append(L"\\");
key_name.append(iterator_profiles.Name());
RegKey key(HKEY_CURRENT_USER, key_name.c_str(), KEY_READ);
AutoFillProfile profile;
if (ImportSingleProfile(&profile, &key, reg_to_field)) {
// Combine phones into whole phone #.
string16 phone;
phone = profile.GetFieldText(AutoFillType(PHONE_HOME_COUNTRY_CODE));
phone.append(profile.GetFieldText(AutoFillType(PHONE_HOME_CITY_CODE)));
phone.append(profile.GetFieldText(AutoFillType(PHONE_HOME_NUMBER)));
profile.SetInfo(AutoFillType(PHONE_HOME_WHOLE_NUMBER), phone);
phone = profile.GetFieldText(AutoFillType(PHONE_FAX_COUNTRY_CODE));
phone.append(profile.GetFieldText(AutoFillType(PHONE_FAX_CITY_CODE)));
phone.append(profile.GetFieldText(AutoFillType(PHONE_FAX_NUMBER)));
profile.SetInfo(AutoFillType(PHONE_FAX_WHOLE_NUMBER), phone);
profiles->push_back(profile);
}
}
string16 password_hash;
string16 salt;
RegKey cc_key(HKEY_CURRENT_USER, kCreditCardKey, KEY_READ);
if (cc_key.Valid()) {
password_hash = ReadAndDecryptValue(&cc_key, kPasswordHashValue);
salt = ReadAndDecryptValue(&cc_key, kSaltValue);
}
// We import CC profiles only if they are not password protected.
if (password_hash.empty() && IsEmptySalt(salt)) {
base::win::RegistryKeyIterator iterator_cc(HKEY_CURRENT_USER,
kCreditCardKey);
for (; iterator_cc.Valid(); ++iterator_cc) {
std::wstring key_name(kCreditCardKey);
key_name.append(L"\\");
key_name.append(iterator_cc.Name());
RegKey key(HKEY_CURRENT_USER, key_name.c_str(), KEY_READ);
CreditCard credit_card;
if (ImportSingleProfile(&credit_card, &key, reg_to_field)) {
string16 cc_number = credit_card.GetFieldText(
AutoFillType(CREDIT_CARD_NUMBER));
if (!cc_number.empty()) {
// No additional password, and CC# is not empty, decrypt CC#.
cc_number = DecryptCCNumber(cc_number);
}
credit_card.SetInfo(AutoFillType(CREDIT_CARD_NUMBER), cc_number);
if (!cc_number.empty())
credit_cards->push_back(credit_card);
}
}
}
return (profiles->size() + credit_cards->size()) > 0;
}
bool ImportAutofillDataWin(PersonalDataManager* pdm) {
AutoFillImporter *importer = new AutoFillImporter(pdm);
// importer will self delete.
return importer->ImportProfiles();
}
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