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Improve and centralize e164 utils.

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This commit is contained in:
Greyson Parrelli
2025-03-03 10:42:21 -05:00
parent 0fdcc1c027
commit 9c473fb570
99 changed files with 748 additions and 1826 deletions
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163
libsignal-service/src/main/java/org/whispersystems/signalservice/api/util/PhoneNumberFormatter.java
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@@ -1,163 +0,0 @@
/**
* Copyright (C) 2014-2016 Open Whisper Systems
*
* Licensed according to the LICENSE file in this repository.
*/
package org.whispersystems.signalservice.api.util;
import com.google.i18n.phonenumbers.NumberParseException;
import com.google.i18n.phonenumbers.PhoneNumberUtil;
import com.google.i18n.phonenumbers.PhoneNumberUtil.PhoneNumberFormat;
import com.google.i18n.phonenumbers.Phonenumber.PhoneNumber;
import org.signal.libsignal.protocol.logging.Log;
import org.whispersystems.signalservice.internal.util.Util;
import java.util.Locale;
import java.util.Optional;
import java.util.regex.Pattern;
/**
* Phone number formats are a pain.
*
* @author Moxie Marlinspike
*
*/
public class PhoneNumberFormatter {
private static final String TAG = PhoneNumberFormatter.class.getSimpleName();
private static final String COUNTRY_CODE_BR = "55";
private static final String COUNTRY_CODE_US = "1";
public static boolean isValidNumber(String e164Number, String countryCode) {
if (!PhoneNumberUtil.getInstance().isPossibleNumber(e164Number, countryCode)) {
Log.w(TAG, "Failed isPossibleNumber()");
return false;
}
if (COUNTRY_CODE_US.equals(countryCode) && !Pattern.matches("^\\+1[0-9]{10}$", e164Number)) {
Log.w(TAG, "Failed US number format check");
return false;
}
if (COUNTRY_CODE_BR.equals(countryCode) && !Pattern.matches("^\\+55[0-9]{2}9?[0-9]{8}$", e164Number)) {
Log.w(TAG, "Failed Brazil number format check");
return false;
}
return e164Number.matches("^\\+[1-9][0-9]{6,14}$");
}
private static String impreciseFormatNumber(String number, String localNumber)
throws InvalidNumberException
{
number = number.replaceAll("[^0-9+]", "");
if (number.charAt(0) == '+')
return number;
if (localNumber.charAt(0) == '+')
localNumber = localNumber.substring(1);
if (localNumber.length() == number.length() || number.length() > localNumber.length())
return "+" + number;
int difference = localNumber.length() - number.length();
return "+" + localNumber.substring(0, difference) + number;
}
public static String formatNumberInternational(String number) {
try {
PhoneNumberUtil util = PhoneNumberUtil.getInstance();
PhoneNumber parsedNumber = util.parse(number, null);
return util.format(parsedNumber, PhoneNumberFormat.INTERNATIONAL);
} catch (NumberParseException e) {
Log.w(TAG, e);
return number;
}
}
public static String formatNumber(String number, String localNumber)
throws InvalidNumberException
{
if (number == null) {
throw new InvalidNumberException("Null String passed as number.");
}
if (number.contains("@")) {
throw new InvalidNumberException("Possible attempt to use email address.");
}
number = number.replaceAll("[^0-9+]", "");
if (number.length() == 0) {
throw new InvalidNumberException("No valid characters found.");
}
// if (number.charAt(0) == '+')
// return number;
try {
PhoneNumberUtil util = PhoneNumberUtil.getInstance();
PhoneNumber localNumberObject = util.parse(localNumber, null);
String localCountryCode = util.getRegionCodeForNumber(localNumberObject);
Log.w(TAG, "Got local CC: " + localCountryCode);
PhoneNumber numberObject = util.parse(number, localCountryCode);
return util.format(numberObject, PhoneNumberFormat.E164);
} catch (NumberParseException e) {
Log.d(TAG, e.getClass().getSimpleName() + ": " + e.getMessage());
return impreciseFormatNumber(number, localNumber);
}
}
/**
* @deprecated Use {@link #getRegionDisplayName} as it can be localized when the region is not found.
*/
@Deprecated
public static String getRegionDisplayNameLegacy(String regionCode) {
return getRegionDisplayName(regionCode).orElse("Unknown country");
}
public static Optional<String> getRegionDisplayName(String regionCode) {
if (regionCode != null && !regionCode.equals("ZZ") && !regionCode.equals(PhoneNumberUtil.REGION_CODE_FOR_NON_GEO_ENTITY)) {
String displayCountry = new Locale("", regionCode).getDisplayCountry(Locale.getDefault());
if (!Util.isEmpty(displayCountry)) {
return Optional.of(displayCountry);
}
}
return Optional.empty();
}
public static String formatE164(String countryCode, String number) {
try {
PhoneNumberUtil util = PhoneNumberUtil.getInstance();
int parsedCountryCode = Integer.parseInt(countryCode);
PhoneNumber parsedNumber = util.parse(number,
util.getRegionCodeForCountryCode(parsedCountryCode));
return util.format(parsedNumber, PhoneNumberUtil.PhoneNumberFormat.E164);
} catch (NumberParseException | NumberFormatException npe) {
Log.d(TAG, npe.getClass().getSimpleName() + ": " + npe.getMessage());
}
return "+" +
countryCode.replaceAll("[^0-9]", "").replaceAll("^0*", "") +
(number != null ? number.replaceAll("[^0-9]", "") : "");
}
public static String getInternationalFormatFromE164(String e164number) {
try {
PhoneNumberUtil util = PhoneNumberUtil.getInstance();
PhoneNumber parsedNumber = util.parse(e164number, null);
return util.format(parsedNumber, PhoneNumberFormat.INTERNATIONAL);
} catch (NumberParseException e) {
Log.w(TAG, e);
return e164number;
}
}
}