149 lines
4.8 KiB
Java
149 lines
4.8 KiB
Java
/**
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* Copyright (C) 2014-2016 Open Whisper Systems
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*
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* Licensed according to the LICENSE file in this repository.
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*/
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package org.whispersystems.signalservice.api.util;
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import com.google.i18n.phonenumbers.NumberParseException;
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import com.google.i18n.phonenumbers.PhoneNumberUtil;
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import com.google.i18n.phonenumbers.PhoneNumberUtil.PhoneNumberFormat;
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import com.google.i18n.phonenumbers.Phonenumber.PhoneNumber;
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import org.whispersystems.libsignal.logging.Log;
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import java.util.Locale;
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import java.util.regex.Pattern;
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/**
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* Phone number formats are a pain.
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*
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* @author Moxie Marlinspike
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*
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*/
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public class PhoneNumberFormatter {
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private static final String TAG = PhoneNumberFormatter.class.getSimpleName();
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private static final String COUNTRY_CODE_BR = "55";
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private static final String COUNTRY_CODE_US = "1";
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public static boolean isValidNumber(String e164Number, String countryCode) {
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if (!PhoneNumberUtil.getInstance().isPossibleNumber(e164Number, countryCode)) {
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Log.w(TAG, "Failed isPossibleNumber()");
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return false;
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}
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if (COUNTRY_CODE_US.equals(countryCode) && !Pattern.matches("^\\+1[0-9]{10}$", e164Number)) {
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Log.w(TAG, "Failed US number format check");
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return false;
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}
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if (COUNTRY_CODE_BR.equals(countryCode) && !Pattern.matches("^\\+55[0-9]{2}9?[0-9]{8}$", e164Number)) {
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Log.w(TAG, "Failed Brazil number format check");
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return false;
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}
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return e164Number.matches("^\\+[1-9][0-9]{6,14}$");
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}
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private static String impreciseFormatNumber(String number, String localNumber)
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throws InvalidNumberException
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{
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number = number.replaceAll("[^0-9+]", "");
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if (number.charAt(0) == '+')
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return number;
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if (localNumber.charAt(0) == '+')
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localNumber = localNumber.substring(1);
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if (localNumber.length() == number.length() || number.length() > localNumber.length())
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return "+" + number;
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int difference = localNumber.length() - number.length();
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return "+" + localNumber.substring(0, difference) + number;
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}
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public static String formatNumberInternational(String number) {
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try {
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PhoneNumberUtil util = PhoneNumberUtil.getInstance();
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PhoneNumber parsedNumber = util.parse(number, null);
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return util.format(parsedNumber, PhoneNumberFormat.INTERNATIONAL);
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} catch (NumberParseException e) {
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Log.w(TAG, e);
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return number;
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}
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}
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public static String formatNumber(String number, String localNumber)
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throws InvalidNumberException
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{
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if (number == null) {
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throw new InvalidNumberException("Null String passed as number.");
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}
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if (number.contains("@")) {
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throw new InvalidNumberException("Possible attempt to use email address.");
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}
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number = number.replaceAll("[^0-9+]", "");
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if (number.length() == 0) {
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throw new InvalidNumberException("No valid characters found.");
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}
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// if (number.charAt(0) == '+')
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// return number;
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try {
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PhoneNumberUtil util = PhoneNumberUtil.getInstance();
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PhoneNumber localNumberObject = util.parse(localNumber, null);
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String localCountryCode = util.getRegionCodeForNumber(localNumberObject);
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Log.w(TAG, "Got local CC: " + localCountryCode);
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PhoneNumber numberObject = util.parse(number, localCountryCode);
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return util.format(numberObject, PhoneNumberFormat.E164);
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} catch (NumberParseException e) {
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Log.w(TAG, e);
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return impreciseFormatNumber(number, localNumber);
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}
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}
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public static String getRegionDisplayName(String regionCode) {
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return (regionCode == null || regionCode.equals("ZZ") || regionCode.equals(PhoneNumberUtil.REGION_CODE_FOR_NON_GEO_ENTITY))
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? "Unknown country" : new Locale("", regionCode).getDisplayCountry(Locale.getDefault());
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}
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public static String formatE164(String countryCode, String number) {
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try {
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PhoneNumberUtil util = PhoneNumberUtil.getInstance();
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int parsedCountryCode = Integer.parseInt(countryCode);
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PhoneNumber parsedNumber = util.parse(number,
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util.getRegionCodeForCountryCode(parsedCountryCode));
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return util.format(parsedNumber, PhoneNumberUtil.PhoneNumberFormat.E164);
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} catch (NumberParseException | NumberFormatException npe) {
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Log.w(TAG, npe);
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}
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return "+" +
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countryCode.replaceAll("[^0-9]", "").replaceAll("^0*", "") +
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number.replaceAll("[^0-9]", "");
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}
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public static String getInternationalFormatFromE164(String e164number) {
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try {
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PhoneNumberUtil util = PhoneNumberUtil.getInstance();
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PhoneNumber parsedNumber = util.parse(e164number, null);
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return util.format(parsedNumber, PhoneNumberFormat.INTERNATIONAL);
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} catch (NumberParseException e) {
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Log.w(TAG, e);
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return e164number;
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}
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}
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}
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