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Fix HTTPCLIENT-2354: Allow caching of responses with "must-revalidate, max-age=0" in shared caches #609

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Merged
arturobernalg merged 1 commit into from
Jan 9, 2025
Merged

Fix HTTPCLIENT-2354: Allow caching of responses with "must-revalidate, max-age=0" in shared caches #609

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2 changes: 1 addition & 1 deletion ...ent5-cache/src/main/java/org/apache/hc/client5/http/impl/cache/ResponseCachingPolicy.java
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Original file line number Diff line number Diff line change
Expand Up @@ -145,7 +145,7 @@ public boolean isResponseCacheable(final ResponseCacheControl cacheControl, fina
if (sharedCache) {
if (request.containsHeader(HttpHeaders.AUTHORIZATION) &&
cacheControl.getSharedMaxAge() == -1 &&
!cacheControl.isPublic()) {
!(cacheControl.isPublic() || cacheControl.isMustRevalidate())) {
LOG.debug("Request contains private credentials");
return false;
}
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56 changes: 56 additions & 0 deletions ...-cache/src/test/java/org/apache/hc/client5/http/impl/cache/TestResponseCachingPolicy.java
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Original file line number Diff line number Diff line change
Expand Up @@ -944,4 +944,60 @@ void testImmutableAndFreshResponseIsCacheable() {

Assertions.assertTrue(policy.isResponseCacheable(responseCacheControl, request, response));
}

@Test
void testPublicWithAuthorizationIsCacheable() {
request = new BasicHttpRequest("GET", "/resource");
request.setHeader(HttpHeaders.AUTHORIZATION, "Basic dXNlcjpwYXNzd2Q=");
response.setHeader("Cache-Control", "public");
responseCacheControl = ResponseCacheControl.builder()
.setCachePublic(true)
.build();

final boolean isCacheable = policy.isResponseCacheable(responseCacheControl, request, response);
Assertions.assertTrue(isCacheable,
"Response with public directive and Authorization header should be cacheable in shared cache.");
}

@Test
void testSMaxageWithAuthorizationIsCacheable() {
request = new BasicHttpRequest("GET", "/resource");
request.setHeader(HttpHeaders.AUTHORIZATION, "Basic dXNlcjpwYXNzd2Q=");
response.setHeader("Cache-Control", "s-maxage=60");
responseCacheControl = ResponseCacheControl.builder()
.setSharedMaxAge(60)
.build();

final boolean isCacheable = policy.isResponseCacheable(responseCacheControl, request, response);
Assertions.assertTrue(isCacheable,
"Response with s-maxage and Authorization header should be cacheable in shared cache.");
}

@Test
void testNoDirectivesWithAuthorizationNotCacheable() {
request = new BasicHttpRequest("GET", "/resource");
request.setHeader(HttpHeaders.AUTHORIZATION, "Basic dXNlcjpwYXNzd2Q=");
response.setHeader("Cache-Control", "");
responseCacheControl = ResponseCacheControl.builder()
.build();

final boolean isCacheable = policy.isResponseCacheable(responseCacheControl, request, response);
Assertions.assertFalse(isCacheable,
"Response without must-revalidate, public, or s-maxage should not be cacheable with Authorization header.");
}

@Test
void testMustRevalidateWithAuthorizationIsCacheable() {
request = new BasicHttpRequest("GET", "/resource");
request.setHeader(HttpHeaders.AUTHORIZATION, "Basic dXNlcjpwYXNzd2Q=");
response.setHeader("Cache-Control", "must-revalidate");
responseCacheControl = ResponseCacheControl.builder()
.setMustRevalidate(true)
.build();

final boolean isCacheable = policy.isResponseCacheable(responseCacheControl, request, response);
Assertions.assertTrue(isCacheable,
"Response with must-revalidate and Authorization header should be cacheable in shared cache.");
}

}
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