| // Copyright 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 "components/autofill/core/browser/phone_number_i18n.h" |
| |
| #include "base/basictypes.h" |
| #include "base/logging.h" |
| #include "base/strings/string_number_conversions.h" |
| #include "base/strings/string_util.h" |
| #include "base/strings/stringprintf.h" |
| #include "base/strings/utf_string_conversions.h" |
| #include "components/autofill/core/browser/autofill_country.h" |
| #include "third_party/libphonenumber/src/phonenumber_api.h" |
| |
| using i18n::phonenumbers::PhoneNumber; |
| using i18n::phonenumbers::PhoneNumberUtil; |
| |
| namespace autofill { |
| |
| namespace { |
| |
| std::string SanitizeRegion(const std::string& region, |
| const std::string& app_locale) { |
| if (region.length() == 2) |
| return region; |
| |
| return AutofillCountry::CountryCodeForLocale(app_locale); |
| } |
| |
| // Returns true if |phone_number| is valid. |
| bool IsValidPhoneNumber(const PhoneNumber& phone_number) { |
| PhoneNumberUtil* phone_util = PhoneNumberUtil::GetInstance(); |
| if (!phone_util->IsPossibleNumber(phone_number)) |
| return false; |
| |
| // Verify that the number has a valid area code (that in some cases could be |
| // empty) for the parsed country code. Also verify that this is a valid |
| // number (for example, in the US 1234567 is not valid, because numbers do not |
| // start with 1). |
| if (!phone_util->IsValidNumber(phone_number)) |
| return false; |
| |
| return true; |
| } |
| |
| // Formats the given |number| as a human-readable string, and writes the result |
| // into |formatted_number|. Also, normalizes the formatted number, and writes |
| // that result into |normalized_number|. This function should only be called |
| // with numbers already known to be valid, i.e. validation should be done prior |
| // to calling this function. Note that the |country_code|, which determines |
| // whether to format in the national or in the international format, is passed |
| // in explicitly, as |number| might have an implicit country code set, even |
| // though the original input lacked a country code. |
| void FormatValidatedNumber(const PhoneNumber& number, |
| const base::string16& country_code, |
| base::string16* formatted_number, |
| base::string16* normalized_number) { |
| PhoneNumberUtil::PhoneNumberFormat format = |
| country_code.empty() ? |
| PhoneNumberUtil::NATIONAL : |
| PhoneNumberUtil::INTERNATIONAL; |
| |
| PhoneNumberUtil* phone_util = PhoneNumberUtil::GetInstance(); |
| std::string processed_number; |
| phone_util->Format(number, format, &processed_number); |
| |
| std::string region_code; |
| phone_util->GetRegionCodeForNumber(number, ®ion_code); |
| |
| // Drop the leading '+' for US numbers as some US sites can't handle the "+", |
| // and in the US dialing "+1..." is the same as dialing "1...". |
| std::string prefix; |
| if (processed_number[0] == '+') { |
| processed_number = processed_number.substr(1); |
| if (region_code != "US") |
| prefix = "+"; |
| } |
| |
| if (formatted_number) |
| *formatted_number = base::UTF8ToUTF16(prefix + processed_number); |
| |
| if (normalized_number) { |
| phone_util->NormalizeDigitsOnly(&processed_number); |
| *normalized_number = base::UTF8ToUTF16(prefix + processed_number); |
| } |
| } |
| |
| } // namespace |
| |
| namespace i18n { |
| |
| // Parses the number stored in |value| as it should be interpreted in the given |
| // |default_region|, and stores the results into the remaining arguments. |
| // The |default_region| should be sanitized prior to calling this function. |
| bool ParsePhoneNumber(const base::string16& value, |
| const std::string& default_region, |
| base::string16* country_code, |
| base::string16* city_code, |
| base::string16* number, |
| std::string* inferred_region, |
| PhoneNumber* i18n_number) { |
| country_code->clear(); |
| city_code->clear(); |
| number->clear(); |
| *i18n_number = PhoneNumber(); |
| |
| std::string number_text(base::UTF16ToUTF8(value)); |
| |
| // Parse phone number based on the region. |
| PhoneNumberUtil* phone_util = PhoneNumberUtil::GetInstance(); |
| |
| // The |default_region| should already be sanitized. |
| DCHECK_EQ(2U, default_region.size()); |
| if (phone_util->ParseAndKeepRawInput( |
| number_text, default_region, i18n_number) != |
| PhoneNumberUtil::NO_PARSING_ERROR) { |
| return false; |
| } |
| |
| if (!IsValidPhoneNumber(*i18n_number)) |
| return false; |
| |
| std::string national_significant_number; |
| phone_util->GetNationalSignificantNumber(*i18n_number, |
| &national_significant_number); |
| |
| int area_length = phone_util->GetLengthOfGeographicalAreaCode(*i18n_number); |
| int destination_length = |
| phone_util->GetLengthOfNationalDestinationCode(*i18n_number); |
| // Some phones have a destination code in lieu of area code: mobile operators |
| // in Europe, toll and toll-free numbers in USA, etc. From our point of view |
| // these two types of codes are the same. |
| if (destination_length > area_length) |
| area_length = destination_length; |
| |
| std::string area_code; |
| std::string subscriber_number; |
| if (area_length > 0) { |
| area_code = national_significant_number.substr(0, area_length); |
| subscriber_number = national_significant_number.substr(area_length); |
| } else { |
| subscriber_number = national_significant_number; |
| } |
| *number = base::UTF8ToUTF16(subscriber_number); |
| *city_code = base::UTF8ToUTF16(area_code); |
| |
| // Check if parsed number has a country code that was not inferred from the |
| // region. |
| if (i18n_number->has_country_code() && |
| i18n_number->country_code_source() != PhoneNumber::FROM_DEFAULT_COUNTRY) { |
| *country_code = base::UTF8ToUTF16( |
| base::StringPrintf("%d", i18n_number->country_code())); |
| } |
| |
| // The region might be different from what we started with. |
| phone_util->GetRegionCodeForNumber(*i18n_number, inferred_region); |
| |
| return true; |
| } |
| |
| base::string16 NormalizePhoneNumber(const base::string16& value, |
| const std::string& region) { |
| DCHECK_EQ(2u, region.size()); |
| base::string16 country_code, unused_city_code, unused_number; |
| std::string unused_region; |
| PhoneNumber phone_number; |
| if (!ParsePhoneNumber(value, region, &country_code, &unused_city_code, |
| &unused_number, &unused_region, &phone_number)) { |
| return base::string16(); // Parsing failed - do not store phone. |
| } |
| |
| base::string16 normalized_number; |
| FormatValidatedNumber(phone_number, country_code, NULL, &normalized_number); |
| return normalized_number; |
| } |
| |
| bool ConstructPhoneNumber(const base::string16& country_code, |
| const base::string16& city_code, |
| const base::string16& number, |
| const std::string& region, |
| base::string16* whole_number) { |
| DCHECK_EQ(2u, region.size()); |
| whole_number->clear(); |
| |
| base::string16 unused_country_code, unused_city_code, unused_number; |
| std::string unused_region; |
| PhoneNumber phone_number; |
| if (!ParsePhoneNumber(country_code + city_code + number, region, |
| &unused_country_code, &unused_city_code, &unused_number, |
| &unused_region, &phone_number)) { |
| return false; |
| } |
| |
| FormatValidatedNumber(phone_number, country_code, whole_number, NULL); |
| return true; |
| } |
| |
| bool PhoneNumbersMatch(const base::string16& number_a, |
| const base::string16& number_b, |
| const std::string& raw_region, |
| const std::string& app_locale) { |
| // Sanitize the provided |raw_region| before trying to use it for parsing. |
| const std::string region = SanitizeRegion(raw_region, app_locale); |
| |
| PhoneNumberUtil* phone_util = PhoneNumberUtil::GetInstance(); |
| |
| // Parse phone numbers based on the region |
| PhoneNumber i18n_number1; |
| if (phone_util->Parse( |
| base::UTF16ToUTF8(number_a), region.c_str(), &i18n_number1) != |
| PhoneNumberUtil::NO_PARSING_ERROR) { |
| return false; |
| } |
| |
| PhoneNumber i18n_number2; |
| if (phone_util->Parse( |
| base::UTF16ToUTF8(number_b), region.c_str(), &i18n_number2) != |
| PhoneNumberUtil::NO_PARSING_ERROR) { |
| return false; |
| } |
| |
| switch (phone_util->IsNumberMatch(i18n_number1, i18n_number2)) { |
| case PhoneNumberUtil::INVALID_NUMBER: |
| case PhoneNumberUtil::NO_MATCH: |
| return false; |
| case PhoneNumberUtil::SHORT_NSN_MATCH: |
| return false; |
| case PhoneNumberUtil::NSN_MATCH: |
| case PhoneNumberUtil::EXACT_MATCH: |
| return true; |
| } |
| |
| NOTREACHED(); |
| return false; |
| } |
| |
| PhoneObject::PhoneObject(const base::string16& number, |
| const std::string& region) { |
| DCHECK_EQ(2u, region.size()); |
| // TODO(isherman): Autofill profiles should always have a |region| set, but in |
| // some cases it should be marked as implicit. Otherwise, phone numbers |
| // might behave differently when they are synced across computers: |
| // [ http://crbug.com/100845 ]. Once the bug is fixed, add a DCHECK here to |
| // verify. |
| |
| scoped_ptr<PhoneNumber> i18n_number(new PhoneNumber); |
| if (ParsePhoneNumber(number, region, &country_code_, &city_code_, &number_, |
| ®ion_, i18n_number.get())) { |
| // The phone number was successfully parsed, so store the parsed version. |
| // The formatted and normalized versions will be set on the first call to |
| // the coresponding methods. |
| i18n_number_ = i18n_number.Pass(); |
| } else { |
| // Parsing failed. Store passed phone "as is" into |whole_number_|. |
| whole_number_ = number; |
| } |
| } |
| |
| PhoneObject::PhoneObject(const PhoneObject& other) { *this = other; } |
| |
| PhoneObject::PhoneObject() {} |
| |
| PhoneObject::~PhoneObject() {} |
| |
| const base::string16& PhoneObject::GetFormattedNumber() const { |
| if (i18n_number_ && formatted_number_.empty()) { |
| FormatValidatedNumber(*i18n_number_, country_code_, &formatted_number_, |
| &whole_number_); |
| } |
| |
| return formatted_number_; |
| } |
| |
| base::string16 PhoneObject::GetNationallyFormattedNumber() const { |
| base::string16 formatted = whole_number_; |
| if (i18n_number_) |
| FormatValidatedNumber(*i18n_number_, base::string16(), &formatted, NULL); |
| |
| return formatted; |
| } |
| |
| const base::string16& PhoneObject::GetWholeNumber() const { |
| if (i18n_number_ && whole_number_.empty()) { |
| FormatValidatedNumber(*i18n_number_, country_code_, &formatted_number_, |
| &whole_number_); |
| } |
| |
| return whole_number_; |
| } |
| |
| PhoneObject& PhoneObject::operator=(const PhoneObject& other) { |
| if (this == &other) |
| return *this; |
| |
| region_ = other.region_; |
| |
| if (other.i18n_number_.get()) |
| i18n_number_.reset(new PhoneNumber(*other.i18n_number_)); |
| else |
| i18n_number_.reset(); |
| |
| country_code_ = other.country_code_; |
| city_code_ = other.city_code_; |
| number_ = other.number_; |
| |
| formatted_number_ = other.formatted_number_; |
| whole_number_ = other.whole_number_; |
| |
| return *this; |
| } |
| |
| } // namespace i18n |
| } // namespace autofill |