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skip certain headers while proxying websockets

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This commit is contained in:
Spencer Gibb
2017-10-10 16:41:03 -04:00
parent 56f99e7491
commit 17b1110464
1 changed files with 9 additions and 1 deletions
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10
spring-cloud-gateway-core/src/main/java/org/springframework/cloud/gateway/filter/WebsocketRoutingFilter.java
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@@ -70,7 +70,15 @@ public class WebsocketRoutingFilter implements GlobalFilter, Ordered {
public ProxyWebSocketHandler(URI url, WebSocketClient client, HttpHeaders headers) {
this.client = client;
this.url = url;
this.headers = headers;
this.headers = new HttpHeaders();//headers;
//TODO: better strategy to filter these headers?
headers.entrySet().forEach(header -> {
if (!header.getKey().toLowerCase().startsWith("sec-websocket")
&& !header.getKey().equalsIgnoreCase("upgrade")
&& !header.getKey().equalsIgnoreCase("connection")) {
this.headers.addAll(header.getKey(), header.getValue());
}
});
List<String> protocols = headers.get(SEC_WEBSOCKET_PROTOCOL);
if (protocols != null) {
this.subProtocols = protocols;