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GUACAMOLE-275: Request browser to always revalidate cached dynamic contents.

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This commit is contained in:
Michael Jumper
2021-07-20 18:49:43 -07:00
parent e9e1703184
commit f94b6c68aa
1 changed files with 4 additions and 0 deletions
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4
guacamole/src/main/java/org/apache/guacamole/resource/ResourceServlet.java
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@@ -68,6 +68,10 @@ public class ResourceServlet extends HttpServlet {
protected void doHead(HttpServletRequest request, HttpServletResponse response) protected void doHead(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException { throws ServletException, IOException {
// Request that the browser revalidate cached data
response.addHeader("Cache-Control", "no-cache");
response.addHeader("Pragma", "no-cache");
// Set last modified and content type headers // Set last modified and content type headers
response.addDateHeader("Last-Modified", resource.getLastModified()); response.addDateHeader("Last-Modified", resource.getLastModified());
response.setContentType(resource.getMimeType()); response.setContentType(resource.getMimeType());