diff --git a/http-service/src/main/java/net/runelite/http/service/util/CacheControlFilter.java b/http-service/src/main/java/net/runelite/http/service/util/CacheControlFilter.java new file mode 100644 index 0000000000..f0bd95e914 --- /dev/null +++ b/http-service/src/main/java/net/runelite/http/service/util/CacheControlFilter.java @@ -0,0 +1,62 @@ +/* + * Copyright (c) 2017, Adam + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are met: + * + * 1. Redistributions of source code must retain the above copyright notice, this + * list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright notice, + * this list of conditions and the following disclaimer in the documentation + * and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED + * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE + * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR + * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES + * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; + * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND + * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS + * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ +package net.runelite.http.service.util; + +import org.springframework.core.MethodParameter; +import org.springframework.http.MediaType; +import org.springframework.http.converter.HttpMessageConverter; +import org.springframework.http.server.ServerHttpRequest; +import org.springframework.http.server.ServerHttpResponse; +import org.springframework.web.bind.annotation.ControllerAdvice; +import org.springframework.web.servlet.mvc.method.annotation.ResponseBodyAdvice; + +@ControllerAdvice +public class CacheControlFilter implements ResponseBodyAdvice +{ + + @Override + public boolean supports(MethodParameter returnType, Class> converterType) + { + return true; + } + + @Override + public Object beforeBodyWrite( + Object body, + MethodParameter returnType, + MediaType selectedContentType, + Class> selectedConverterType, + ServerHttpRequest request, + ServerHttpResponse response + ) + { + if (!response.getHeaders().containsKey("Cache-Control")) + { + response.getHeaders().add("Cache-Control", "no-cache, no-store, must-revalidate"); + response.getHeaders().add("pragma", "no-cache"); + } + return body; + } +} \ No newline at end of file