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Posted to dev@hc.apache.org by "Jon Moore (JIRA)" <ji...@apache.org> on 2013/08/09 20:00:51 UTC
[jira] [Commented] (HTTPCLIENT-1384) Expose CacheInvalidator in
CachingHttpClientBuilder
[ https://issues.apache.org/jira/browse/HTTPCLIENT-1384?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13735070#comment-13735070 ]
Jon Moore commented on HTTPCLIENT-1384:
---------------------------------------
Ok, I see what you are getting at, and I think the current implementation has conservative, compliant behavior. The solution you propose of being able to dependency-inject a different CacheInvalidator sounds fine. Would you be willing to construct a patch for this?
> Expose CacheInvalidator in CachingHttpClientBuilder
> ---------------------------------------------------
>
> Key: HTTPCLIENT-1384
> URL: https://issues.apache.org/jira/browse/HTTPCLIENT-1384
> Project: HttpComponents HttpClient
> Issue Type: Wish
> Components: HttpCache
> Affects Versions: 4.2.5, 4.3 Beta2
> Reporter: Nicolas Richeton
> Fix For: 4.3 Final
>
>
> There is currently no way to customize the CacheInvalidator. Could it be possible to allow setting a CacheInvalidator in CachingHttpClientBuilder (eg. CachingHttpClientBuilder#setCacheInvalidator())
> Our use case :
> - HttpClientCache is used in a Caching Reverse Proxy (shared cache, exposed to public connections)
> - We have to ensure the cache cannot be flush by a random user.
> - The default CacheInvalidator flushes all variants of an URI when receiving anything other than GET, HEAD (compliant with RFC)
> - It is currently possible for a user to flush the whole cache by sending POST requests of all uri (this may be harmful even only on a home page).
> While it is not RFC-compliant, we need at least the ability to prevent invalidation in CacheInvalidator#flushInvalidatedCacheEntriesFor and/or control invalidation with custom method (PURGE) and other criteria (like remote ip)
> The same applies to HttpClientCache 4.2.5: CachingHttpClient which does not allow provide a custom CacheInvalidator
> Would this sound ok for you ?
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