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// Copyright 2019 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef COMPONENTS_SAFE_SEARCH_API_SAFE_SEARCH_SAFE_SEARCH_URL_CHECKER_CLIENT_H_
#define COMPONENTS_SAFE_SEARCH_API_SAFE_SEARCH_SAFE_SEARCH_URL_CHECKER_CLIENT_H_
#include <list>
#include <memory>
#include <string>
#include "base/memory/scoped_refptr.h"
#include "components/safe_search_api/url_checker_client.h"
#include "google_apis/google_api_keys.h"
#include "net/traffic_annotation/network_traffic_annotation.h"
namespace network {
class SharedURLLoaderFactory;
} // namespace network
namespace safe_search_api {
// This class uses the SafeSearch API to check the SafeSearch classification
// of the content on a given URL and returns the result asynchronously
// via a callback.
class SafeSearchURLCheckerClient : public URLCheckerClient {
public:
SafeSearchURLCheckerClient(
scoped_refptr<network::SharedURLLoaderFactory> url_loader_factory,
const net::NetworkTrafficAnnotationTag& traffic_annotation,
const std::string& api_key = google_apis::GetAPIKey());
SafeSearchURLCheckerClient(const SafeSearchURLCheckerClient&) = delete;
SafeSearchURLCheckerClient& operator=(const SafeSearchURLCheckerClient&) =
delete;
~SafeSearchURLCheckerClient() override;
// Checks whether an |url| is restricted according to SafeSearch.
//
// On failure, the |callback| function is called with |url| as the first
// parameter, and UNKNOWN as the second.
void CheckURL(const GURL& url, ClientCheckCallback callback) override;
private:
struct Check;
using CheckList = std::list<std::unique_ptr<Check>>;
void OnSimpleLoaderComplete(CheckList::iterator it,
std::unique_ptr<std::string> response_body);
scoped_refptr<network::SharedURLLoaderFactory> url_loader_factory_;
const net::NetworkTrafficAnnotationTag traffic_annotation_;
const std::string api_key_;
CheckList checks_in_progress_;
};
} // namespace safe_search_api
#endif // COMPONENTS_SAFE_SEARCH_API_SAFE_SEARCH_SAFE_SEARCH_URL_CHECKER_CLIENT_H_
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