package org.asamk.signal.util;
-import java.io.File;
+import com.fasterxml.jackson.databind.JsonNode;
+
+import org.whispersystems.signalservice.api.push.SignalServiceAddress;
+import org.whispersystems.signalservice.api.util.InvalidNumberException;
+import org.whispersystems.signalservice.api.util.PhoneNumberFormatter;
+import org.whispersystems.signalservice.api.util.UuidUtil;
+import org.whispersystems.util.Base64;
+
import java.io.IOException;
+import java.io.InvalidObjectException;
public class Util {
- public static File createTempFile() throws IOException {
- return File.createTempFile("signal_tmp_", ".tmp");
+
+ private Util() {
+ }
+
+ public static String formatSafetyNumber(String digits) {
+ final int partCount = 12;
+ int partSize = digits.length() / partCount;
+ StringBuilder f = new StringBuilder(digits.length() + partCount);
+ for (int i = 0; i < partCount; i++) {
+ f.append(digits, i * partSize, (i * partSize) + partSize).append(" ");
+ }
+ return f.toString();
+ }
+
+ public static String join(CharSequence separator, Iterable<? extends CharSequence> list) {
+ StringBuilder buf = new StringBuilder();
+ for (CharSequence str : list) {
+ if (buf.length() > 0) {
+ buf.append(separator);
+ }
+ buf.append(str);
+ }
+
+ return buf.toString();
+ }
+
+ public static JsonNode getNotNullNode(JsonNode parent, String name) throws InvalidObjectException {
+ JsonNode node = parent.get(name);
+ if (node == null) {
+ throw new InvalidObjectException(String.format("Incorrect file format: expected parameter %s not found ", name));
+ }
+
+ return node;
+ }
+
+ public static byte[] decodeGroupId(String groupId) throws GroupIdFormatException {
+ try {
+ return Base64.decode(groupId);
+ } catch (IOException e) {
+ throw new GroupIdFormatException(groupId, e);
+ }
+ }
+
+ public static String canonicalizeNumber(String number, String localNumber) throws InvalidNumberException {
+ return PhoneNumberFormatter.formatNumber(number, localNumber);
+ }
+
+ public static SignalServiceAddress getSignalServiceAddressFromIdentifier(final String identifier) {
+ if (UuidUtil.isUuid(identifier)) {
+ return new SignalServiceAddress(UuidUtil.parseOrNull(identifier), null);
+ } else {
+ return new SignalServiceAddress(null, identifier);
+ }
}
}