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// Copyright 2018 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef SERVICES_NETWORK_HTTP_CACHE_DATA_REMOVER_H_
#define SERVICES_NETWORK_HTTP_CACHE_DATA_REMOVER_H_
#include <memory>
#include "base/callback_forward.h"
#include "base/component_export.h"
#include "base/macros.h"
#include "base/memory/weak_ptr.h"
#include "base/time/time.h"
#include "services/network/conditional_cache_deletion_helper.h"
#include "services/network/public/mojom/network_service.mojom.h"
#include "url/gurl.h"
namespace disk_cache {
class Backend;
}
namespace net {
class URLRequestContext;
}
namespace network {
// Helper to remove data from the HTTP cache.
class COMPONENT_EXPORT(NETWORK_SERVICE) HttpCacheDataRemover {
public:
using HttpCacheDataRemoverCallback =
base::OnceCallback<void(HttpCacheDataRemover*)>;
// Creates an HttpCacheDataRemover that starts deleting cache entries in the
// time range between |delete_begin| (inclusively) and |delete_end|
// (exclusively) and that are matched by |url_filter|. Invokes |done_callback|
// when finished.
// Note that deletion with URL filtering is not built in to the cache
// interface and might be slow.
static std::unique_ptr<HttpCacheDataRemover> CreateAndStart(
net::URLRequestContext* url_request_context,
mojom::ClearDataFilterPtr url_filter,
base::Time delete_begin,
base::Time delete_end,
HttpCacheDataRemoverCallback done_callback);
~HttpCacheDataRemover();
private:
HttpCacheDataRemover(mojom::ClearDataFilterPtr url_filter,
base::Time delete_begin,
base::Time delete_end,
HttpCacheDataRemoverCallback done_callback);
void CacheRetrieved(int rv);
void ClearHttpCacheDone(int rv);
base::RepeatingCallback<bool(const GURL&)> url_matcher_;
const base::Time delete_begin_;
const base::Time delete_end_;
HttpCacheDataRemoverCallback done_callback_;
disk_cache::Backend* backend_;
std::unique_ptr<ConditionalCacheDeletionHelper> deletion_helper_;
base::WeakPtrFactory<HttpCacheDataRemover> weak_factory_{this};
DISALLOW_COPY_AND_ASSIGN(HttpCacheDataRemover);
};
} // namespace network
#endif // SERVICES_NETWORK_HTTP_CACHE_DATA_REMOVER_H_
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