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new c65d66d76b Fix BZ 69415. ExpiresFilter is too eager to add headers
c65d66d76b is described below
commit c65d66d76be43cc1384c060edcb7053de4c63602
Author: Mark Thomas <ma...@apache.org>
AuthorDate: Fri Nov 1 17:15:32 2024 +0000
Fix BZ 69415. ExpiresFilter is too eager to add headers
https://bz.apache.org/bugzilla/show_bug.cgi?id=69415
The headers should only be added to methods that support caching and
where no-store has not been set
---
.../org/apache/catalina/filters/ExpiresFilter.java | 22 +++++++++++++++++++---
.../catalina/filters/LocalStrings.properties | 4 +++-
.../apache/catalina/filters/TestExpiresFilter.java | 18 ++++++++++++++++++
3 files changed, 40 insertions(+), 4 deletions(-)
diff --git a/java/org/apache/catalina/filters/ExpiresFilter.java
b/java/org/apache/catalina/filters/ExpiresFilter.java
index 6e1d9fdc9b..f3bde19d0e 100644
--- a/java/org/apache/catalina/filters/ExpiresFilter.java
+++ b/java/org/apache/catalina/filters/ExpiresFilter.java
@@ -1383,9 +1383,17 @@ public class ExpiresFilter extends FilterBase {
*/
protected boolean
isEligibleToExpirationHeaderGeneration(HttpServletRequest request,
XHttpServletResponse response) {
- boolean expirationHeaderHasBeenSet =
- response.containsHeader(HEADER_EXPIRES) ||
contains(response.getCacheControlHeader(), "max-age");
- if (expirationHeaderHasBeenSet) {
+
+ // Don't add cache headers unless the request is a GET or a HEAD
request
+ String method = request.getMethod();
+ if (!"GET".equals(method) && !"HEAD".equals(method)) {
+ if (log.isDebugEnabled()) {
+ log.debug(sm.getString("expiresFilter.invalidMethod",
request.getRequestURI(), method));
+ }
+ return false;
+ }
+
+ if (response.containsHeader(HEADER_EXPIRES) ||
contains(response.getCacheControlHeader(), "max-age")) {
if (log.isDebugEnabled()) {
log.debug(sm.getString("expiresFilter.expirationHeaderAlreadyDefined",
request.getRequestURI(),
Integer.valueOf(response.getStatus()),
response.getContentType()));
@@ -1393,6 +1401,14 @@ public class ExpiresFilter extends FilterBase {
return false;
}
+ if (contains(response.getCacheControlHeader(), "no-store")) {
+ if (log.isDebugEnabled()) {
+ log.debug(sm.getString("expiresFilter.cacheControlNoStore",
request.getRequestURI(),
+ Integer.valueOf(response.getStatus()),
response.getContentType()));
+ }
+ return false;
+ }
+
for (int skippedStatusCode : this.excludedResponseStatusCodes) {
if (response.getStatus() == skippedStatusCode) {
if (log.isDebugEnabled()) {
diff --git a/java/org/apache/catalina/filters/LocalStrings.properties
b/java/org/apache/catalina/filters/LocalStrings.properties
index aab53ede4f..77e9b010b2 100644
--- a/java/org/apache/catalina/filters/LocalStrings.properties
+++ b/java/org/apache/catalina/filters/LocalStrings.properties
@@ -31,8 +31,10 @@ csrfPrevention.rejectNoCache=Rejecting request for [{0}]
with session [{1}] due
csrfPrevention.rejectNoNonce=Rejecting request for [{0}] with session [{1}]
because no CSRF nonce was found
csrfPrevention.unsupportedPattern=Unsupported pattern [{0}]
+expiresFilter.cacheControlNoStore=Request [{0}] with response status [{1}]
content-type [{2}], Cache-Control: no-store header already defined
expiresFilter.exceptionProcessingParameter=Exception processing configuration
parameter [{0}]:[{1}]
-expiresFilter.expirationHeaderAlreadyDefined=Request [{0}] with response
status [{1}] content-type [{2}], expiration header already defined
+expiresFilter.expirationHeaderAlreadyDefined=Request [{0}] with response
status [{1}] content-type [{2}], Expires header already defined
+expiresFilter.invalidMethod=Request [{0}] with request method [{1}],
non-cacheable method
expiresFilter.filterInitialized=Filter initialized with configuration [{0}]
expiresFilter.invalidDurationNumber=Invalid duration (number) [{0}] in
directive [{1}]
expiresFilter.invalidDurationUnit=Invalid duration unit
(years|months|weeks|days|hours|minutes|seconds) [{0}] in directive [{1}]
diff --git a/test/org/apache/catalina/filters/TestExpiresFilter.java
b/test/org/apache/catalina/filters/TestExpiresFilter.java
index 38acb2eaa2..83a82d3a6e 100644
--- a/test/org/apache/catalina/filters/TestExpiresFilter.java
+++ b/test/org/apache/catalina/filters/TestExpiresFilter.java
@@ -327,6 +327,24 @@ public class TestExpiresFilter extends TomcatBaseTest {
validate(servlet, Integer.valueOf(1 * 60));
}
+ @Test
+ public void testUseDefaultConfiguration3() throws Exception {
+ HttpServlet servlet = new HttpServlet() {
+ private static final long serialVersionUID = 1L;
+
+ @Override
+ protected void service(HttpServletRequest request,
HttpServletResponse response)
+ throws ServletException, IOException {
+ response.setContentType("image/jpeg");
+ response.addHeader("Cache-Control", "no-store");
+
+ response.getWriter().print("Hello world");
+ }
+ };
+
+ validate(servlet, null);
+ }
+
@Test
public void testUseMajorTypeExpiresConfiguration() throws Exception {
HttpServlet servlet = new HttpServlet() {
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