nmode's Git Repositories - signal-cli/blob - lib/src/main/java/org/asamk/signal/manager/api/IdentityVerificationCode.java

   1 package org.asamk.signal.manager.api;
   2
   3 import org.signal.libsignal.protocol.util.Hex;
   4
   5 import java.util.Base64;
   6 import java.util.Locale;
   7
   8 public sealed interface IdentityVerificationCode {
   9
  10     record Fingerprint(byte[] fingerprint) implements IdentityVerificationCode {}
  11
  12     record SafetyNumber(String safetyNumber) implements IdentityVerificationCode {}
  13
  14     record ScannableSafetyNumber(byte[] safetyNumber) implements IdentityVerificationCode {}
  15
  16     static IdentityVerificationCode parse(String code) throws Exception {
  17         code = code.replaceAll(" ", "");
  18         if (code.length() == 66) {
  19             final var fingerprintBytes = Hex.fromStringCondensed(code.toLowerCase(Locale.ROOT));
  20             return new Fingerprint(fingerprintBytes);
  21         } else if (code.length() == 60) {
  22             return new SafetyNumber(code);
  23         } else {
  24             final var scannableSafetyNumber = Base64.getDecoder().decode(code);
  25             return new ScannableSafetyNumber(scannableSafetyNumber);
  26         }
  27     }
  28 }