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// Copyright 2013 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef CHROME_BROWSER_EXTENSIONS_BLOCKLIST_STATE_FETCHER_H_
#define CHROME_BROWSER_EXTENSIONS_BLOCKLIST_STATE_FETCHER_H_
#include <algorithm>
#include <memory>
#include <set>
#include <string>
#include "base/functional/callback.h"
#include "base/memory/weak_ptr.h"
#include "components/safe_browsing/core/browser/db/util.h"
#include "extensions/browser/blocklist_state.h"
#include "extensions/buildflags/buildflags.h"
static_assert(BUILDFLAG(ENABLE_EXTENSIONS_CORE));
namespace network {
class SharedURLLoaderFactory;
class SimpleURLLoader;
} // namespace network
namespace extensions {
class TestBlocklistStateFetcher;
class BlocklistStateFetcher {
public:
using RequestCallback = base::OnceCallback<void(BlocklistState)>;
BlocklistStateFetcher();
BlocklistStateFetcher(const BlocklistStateFetcher&) = delete;
BlocklistStateFetcher& operator=(const BlocklistStateFetcher&) = delete;
virtual ~BlocklistStateFetcher();
virtual void Request(const std::string& id, RequestCallback callback);
void SetSafeBrowsingConfig(const safe_browsing::V4ProtocolConfig& config);
protected:
void OnURLLoaderComplete(network::SimpleURLLoader* url_loader,
std::unique_ptr<std::string> response_body);
// Used for ease unit tests.
void OnURLLoaderCompleteInternal(network::SimpleURLLoader* url_loader,
const std::string& response_body,
int response_code,
int net_error);
private:
friend class TestBlocklistStateFetcher;
using CallbackMultiMap = std::multimap<std::string, RequestCallback>;
GURL RequestUrl() const;
void SendRequest(const std::string& id);
std::unique_ptr<safe_browsing::V4ProtocolConfig> safe_browsing_config_;
scoped_refptr<network::SharedURLLoaderFactory> url_loader_factory_;
// SimpleURLLoader -> (owned loader, extension id).
std::map<const network::SimpleURLLoader*,
std::pair<std::unique_ptr<network::SimpleURLLoader>, std::string>>
requests_;
// Callbacks by extension ID.
CallbackMultiMap callbacks_;
base::WeakPtrFactory<BlocklistStateFetcher> weak_ptr_factory_{this};
};
} // namespace extensions
#endif // CHROME_BROWSER_EXTENSIONS_BLOCKLIST_STATE_FETCHER_H_
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