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ignore invalid cache control values (#1619)

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Athou
2024-12-02 18:43:44 +01:00
parent 8ccb59ed18
commit a073d843ab
2 changed files with 23 additions and 2 deletions
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11
commafeed-server/src/main/java/com/commafeed/backend/HttpGetter.java
View File

@@ -162,7 +162,7 @@ public class HttpGetter {
CacheControl cacheControl = Optional.ofNullable(resp.getFirstHeader(HttpHeaders.CACHE_CONTROL))
.map(NameValuePair::getValue)
.map(StringUtils::trimToNull)
.map(CacheControlDelegate.INSTANCE::fromString)
.map(HttpGetter::toCacheControl)
.orElse(null);
String contentType = Optional.ofNullable(resp.getEntity()).map(HttpEntity::getContentType).orElse(null);
@@ -176,6 +176,15 @@ public class HttpGetter {
});
}
private static CacheControl toCacheControl(String headerValue) {
try {
return CacheControlDelegate.INSTANCE.fromString(headerValue);
} catch (Exception e) {
log.debug("Invalid Cache-Control header: {}", headerValue);
return null;
}
}
private static byte[] toByteArray(HttpEntity entity, long maxBytes) throws IOException {
if (entity.getContentLength() > maxBytes) {
throw new IOException(

14
commafeed-server/src/test/java/com/commafeed/backend/HttpGetterTest.java
View File

@@ -94,7 +94,7 @@ class HttpGetterTest {
.withContentType(MediaType.APPLICATION_ATOM_XML)
.withHeader(HttpHeaders.LAST_MODIFIED, "123456")
.withHeader(HttpHeaders.ETAG, "78910")
.withHeader(HttpHeaders.CACHE_CONTROL, "max-age=60"));
.withHeader(HttpHeaders.CACHE_CONTROL, "max-age=60, must-revalidate"));
HttpResult result = getter.get(this.feedUrl);
Assertions.assertArrayEquals(feedContent, result.getContent());
@@ -105,6 +105,18 @@ class HttpGetterTest {
Assertions.assertEquals(this.feedUrl, result.getUrlAfterRedirect());
}
@Test
void ignoreInvalidCacheControlValue() throws Exception {
this.mockServerClient.when(HttpRequest.request().withMethod("GET"))
.respond(HttpResponse.response()
.withBody(feedContent)
.withContentType(MediaType.APPLICATION_ATOM_XML)
.withHeader(HttpHeaders.CACHE_CONTROL, "max-age=60; must-revalidate"));
HttpResult result = getter.get(this.feedUrl);
Assertions.assertEquals(Duration.ZERO, result.getValidFor());
}
@ParameterizedTest
@ValueSource(
ints = { HttpStatus.SC_MOVED_PERMANENTLY, HttpStatus.SC_MOVED_TEMPORARILY, HttpStatus.SC_TEMPORARY_REDIRECT,