X-Git-Url: https://git.nmode.ca/signal-cli/blobdiff_plain/ce7aa580b6f0580cdcf7fd68fcc8efba737d21ed..f7f882e834f33702e4cc36d9a20e0a89ed76dec8:/lib/src/main/java/org/asamk/signal/manager/DeviceLinkInfo.java

diff --git a/lib/src/main/java/org/asamk/signal/manager/DeviceLinkInfo.java b/lib/src/main/java/org/asamk/signal/manager/DeviceLinkInfo.java
index 3e35aced..356cb47d 100644
--- a/lib/src/main/java/org/asamk/signal/manager/DeviceLinkInfo.java
+++ b/lib/src/main/java/org/asamk/signal/manager/DeviceLinkInfo.java
@@ -1,59 +1,51 @@
 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 record DeviceLinkInfo(String deviceIdentifier, 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);
+        }
+        ECPublicKey deviceKey;
+        try {
+            deviceKey = Curve.decodePoint(publicKeyBytes, 0);
+        } catch (InvalidKeyException e) {
+            throw new InvalidDeviceLinkException("Invalid device link", 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);
-        }
-        return map;
-    }
-
     public URI createDeviceLinkUri() {
         final var deviceKeyString = Base64.getEncoder().encodeToString(deviceKey.serialize()).replace("=", "");
         try {