Init

src/main/java/de/w665/testing/config/UsernameHandshakeInterceptor.java

@@ -0,0 +1,37 @@
+package de.w665.testing.config;
+
+import org.springframework.http.server.ServerHttpRequest;
+import org.springframework.http.server.ServerHttpResponse;
+import org.springframework.web.socket.WebSocketHandler;
+import org.springframework.web.socket.server.HandshakeInterceptor;
+
+import java.net.URI;
+import java.util.List;
+import java.util.Map;
+
+public class UsernameHandshakeInterceptor implements HandshakeInterceptor {
+    @Override
+    public boolean beforeHandshake(ServerHttpRequest request, ServerHttpResponse response, WebSocketHandler wsHandler, Map<String, Object> attributes) {
+        URI uri = request.getURI();
+        String query = uri.getQuery();
+        if (query != null) {
+            for (String pair : query.split("&")) {
+                String[] kv = pair.split("=", 2);
+                if (kv.length == 2 && kv[0].equals("token")) {
+                    attributes.put("token", kv[1]);
+                }
+            }
+        }
+        // Also check headers (not used by SockJS handshake, but harmless)
+        List<String> header = request.getHeaders().get("X-Auth-Token");
+        if (header != null && !header.isEmpty()) {
+            attributes.put("token", header.getFirst());
+        }
+        return true;
+    }
+
+    @Override
+    public void afterHandshake(ServerHttpRequest request, ServerHttpResponse response, WebSocketHandler wsHandler, Exception exception) {
+        // no-op
+    }
+}