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Consider everything <= len(4) a short code, except short countries

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// FREEBIE
This commit is contained in:
Moxie Marlinspike
2015-11-14 15:17:05 -08:00
parent 2a753c7795
commit 69f5aacd25
3 changed files with 86 additions and 15 deletions
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17
src/org/thoughtcrime/securesms/database/CanonicalAddressDatabase.java
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@@ -33,6 +33,7 @@ import com.google.i18n.phonenumbers.Phonenumber;
import com.google.i18n.phonenumbers.ShortNumberInfo;
import org.thoughtcrime.securesms.util.GroupUtil;
import org.thoughtcrime.securesms.util.ShortCodeUtil;
import org.thoughtcrime.securesms.util.TextSecurePreferences;
import org.thoughtcrime.securesms.util.VisibleForTesting;
import org.whispersystems.textsecure.api.util.InvalidNumberException;
@@ -151,7 +152,7 @@ public class CanonicalAddressDatabase {
if (isNumberAddress(address) && TextSecurePreferences.isPushRegistered(context)) {
String localNumber = TextSecurePreferences.getLocalNumber(context);
if (!isShortCode(localNumber, address)) {
if (!ShortCodeUtil.isShortCode(localNumber, address)) {
address = PhoneNumberFormatter.formatNumber(address, localNumber);
}
}
@@ -237,20 +238,6 @@ public class CanonicalAddressDatabase {
return PhoneNumberUtils.isWellFormedSmsAddress(number);
}
private boolean isShortCode(@NonNull String localNumber, @NonNull String number) {
try {
PhoneNumberUtil util = PhoneNumberUtil.getInstance();
Phonenumber.PhoneNumber localNumberObject = util.parse(localNumber, null);
String localCountryCode = util.getRegionCodeForNumber(localNumberObject);
Phonenumber.PhoneNumber shortCode = util.parse(number, localCountryCode);
return ShortNumberInfo.getInstance().isPossibleShortNumberForRegion(shortCode, localCountryCode);
} catch (NumberParseException e) {
Log.w(TAG, e);
return false;
}
}
private static class DatabaseHelper extends SQLiteOpenHelper {
public DatabaseHelper(Context context, String name, CursorFactory factory, int version) {

43
src/org/thoughtcrime/securesms/util/ShortCodeUtil.java Normal file
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@@ -0,0 +1,43 @@
package org.thoughtcrime.securesms.util;
import android.support.annotation.NonNull;
import android.util.Log;
import com.google.i18n.phonenumbers.NumberParseException;
import com.google.i18n.phonenumbers.PhoneNumberUtil;
import com.google.i18n.phonenumbers.Phonenumber;
import com.google.i18n.phonenumbers.ShortNumberInfo;
import java.util.HashSet;
import java.util.Set;
public class ShortCodeUtil {
private static final String TAG = ShortCodeUtil.class.getSimpleName();
private static final Set<String> SHORT_COUNTRIES = new HashSet<String>() {{
add("NU");
add("TK");
add("NC");
add("AC");
}};
public static boolean isShortCode(@NonNull String localNumber, @NonNull String number) {
try {
PhoneNumberUtil util = PhoneNumberUtil.getInstance();
Phonenumber.PhoneNumber localNumberObject = util.parse(localNumber, null);
String localCountryCode = util.getRegionCodeForNumber(localNumberObject);
if (number.replaceAll("[^0-9+]", "").length() <= 4 && !SHORT_COUNTRIES.contains(localCountryCode)) {
return true;
} else {
Phonenumber.PhoneNumber shortCode = util.parse(number, localCountryCode);
return ShortNumberInfo.getInstance().isPossibleShortNumberForRegion(shortCode, localCountryCode);
}
} catch (NumberParseException e) {
Log.w(TAG, e);
return false;
}
}
}