package org.asamk.signal.manager;
-import org.whispersystems.libsignal.InvalidKeyException;
-import org.whispersystems.libsignal.ecc.Curve;
-import org.whispersystems.libsignal.ecc.ECPublicKey;
+import org.asamk.signal.manager.api.InvalidDeviceLinkException;
+import org.asamk.signal.manager.util.Utils;
+import org.signal.libsignal.protocol.InvalidKeyException;
+import org.signal.libsignal.protocol.ecc.Curve;
+import org.signal.libsignal.protocol.ecc.ECPublicKey;
import java.net.URI;
import java.net.URISyntaxException;
-import java.net.URLDecoder;
import java.net.URLEncoder;
import java.nio.charset.StandardCharsets;
import java.util.Base64;
-import java.util.HashMap;
-import java.util.Map;
import static org.whispersystems.signalservice.internal.util.Util.isEmpty;
-public class DeviceLinkInfo {
+public record DeviceLinkInfo(String deviceIdentifier, ECPublicKey deviceKey) {
- final String deviceIdentifier;
- final ECPublicKey deviceKey;
-
- public static DeviceLinkInfo parseDeviceLinkUri(URI linkUri) throws InvalidKeyException {
+ public static DeviceLinkInfo parseDeviceLinkUri(URI linkUri) throws InvalidDeviceLinkException {
final var rawQuery = linkUri.getRawQuery();
if (isEmpty(rawQuery)) {
throw new RuntimeException("Invalid device link uri");
}
- var query = getQueryMap(rawQuery);
+ var query = Utils.getQueryMap(rawQuery);
var deviceIdentifier = query.get("uuid");
var publicKeyEncoded = query.get("pub_key");
if (isEmpty(deviceIdentifier) || isEmpty(publicKeyEncoded)) {
- throw new RuntimeException("Invalid device link uri");
+ throw new InvalidDeviceLinkException("Invalid device link uri");
}
final byte[] publicKeyBytes;
try {
publicKeyBytes = Base64.getDecoder().decode(publicKeyEncoded);
} catch (IllegalArgumentException e) {
- throw new RuntimeException("Invalid device link uri", e);
+ throw new InvalidDeviceLinkException("Invalid device link uri", e);
}
- var deviceKey = Curve.decodePoint(publicKeyBytes, 0);
-
- return new DeviceLinkInfo(deviceIdentifier, deviceKey);
- }
-
- private static Map<String, String> getQueryMap(String query) {
- var params = query.split("&");
- var map = new HashMap<String, String>();
- for (var param : params) {
- final var paramParts = param.split("=");
- var name = URLDecoder.decode(paramParts[0], StandardCharsets.UTF_8);
- var value = URLDecoder.decode(paramParts[1], StandardCharsets.UTF_8);
- map.put(name, value);
+ ECPublicKey deviceKey;
+ try {
+ deviceKey = Curve.decodePoint(publicKeyBytes, 0);
+ } catch (InvalidKeyException e) {
+ throw new InvalidDeviceLinkException("Invalid device link", e);
}
- return map;
- }
- public DeviceLinkInfo(final String deviceIdentifier, final ECPublicKey deviceKey) {
- this.deviceIdentifier = deviceIdentifier;
- this.deviceKey = deviceKey;
+ return new DeviceLinkInfo(deviceIdentifier, deviceKey);
}
public URI createDeviceLinkUri() {
final var deviceKeyString = Base64.getEncoder().encodeToString(deviceKey.serialize()).replace("=", "");
try {
- return new URI("tsdevice:/?uuid="
+ return new URI("sgnl://linkdevice?uuid="
+ URLEncoder.encode(deviceIdentifier, StandardCharsets.UTF_8)
+ "&pub_key="
+ URLEncoder.encode(deviceKeyString, StandardCharsets.UTF_8));