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// Copyright 2015 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.
//
// Implementation of the SafeBrowsingDatabaseManager that sends URLs
// via IPC to a database that chromium doesn't manage locally.
#ifndef COMPONENTS_SAFE_BROWSING_DB_REMOTE_DATABASE_MANAGER_H_
#define COMPONENTS_SAFE_BROWSING_DB_REMOTE_DATABASE_MANAGER_H_
#include <set>
#include <string>
#include <vector>
#include "base/macros.h"
#include "base/memory/ref_counted.h"
#include "base/memory/weak_ptr.h"
#include "components/safe_browsing_db/database_manager.h"
#include "url/gurl.h"
namespace net {
class URLRequestContextGetter;
}
namespace safe_browsing {
struct V4GetHashProtocolConfig;
// An implementation that proxies requests to a service outside of Chromium.
// Does not manage a local database.
class RemoteSafeBrowsingDatabaseManager : public SafeBrowsingDatabaseManager {
public:
// Use this constructor for testing only.
RemoteSafeBrowsingDatabaseManager();
// Construct RemoteSafeBrowsingDatabaseManager.
// Must be initialized by calling StartOnIOThread() before using.
RemoteSafeBrowsingDatabaseManager(
net::URLRequestContextGetter* request_context_getter,
const V4GetHashProtocolConfig& config);
//
// SafeBrowsingDatabaseManager implementation
//
bool IsSupported() const override;
safe_browsing::ThreatSource GetThreatSource() const override;
bool ChecksAreAlwaysAsync() const override;
bool CanCheckResourceType(content::ResourceType resource_type) const override;
bool CanCheckUrl(const GURL& url) const override;
bool download_protection_enabled() const override;
bool CheckBrowseUrl(const GURL& url, Client* client) override;
void CancelCheck(Client* client) override;
void StartOnIOThread() override;
void StopOnIOThread(bool shutdown) override;
// These will fail with DCHECK() since their functionality isn't implemented.
// We may later add support for a subset of them.
bool CheckDownloadUrl(const std::vector<GURL>& url_chain,
Client* client) override;
bool CheckExtensionIDs(const std::set<std::string>& extension_ids,
Client* client) override;
bool MatchCsdWhitelistUrl(const GURL& url) override;
bool MatchMalwareIP(const std::string& ip_address) override;
bool MatchDownloadWhitelistUrl(const GURL& url) override;
bool MatchDownloadWhitelistString(const std::string& str) override;
bool MatchInclusionWhitelistUrl(const GURL& url) override;
bool MatchModuleWhitelistString(const std::string& str) override;
bool IsMalwareKillSwitchOn() override;
bool IsCsdWhitelistKillSwitchOn() override;
//
// RemoteSafeBrowsingDatabaseManager implementation
//
private:
~RemoteSafeBrowsingDatabaseManager() override;
class ClientRequest; // Per-request tracker.
// Requests currently outstanding. This owns the ptrs.
std::vector<ClientRequest*> current_requests_;
bool enabled_;
std::set<content::ResourceType> resource_types_to_check_;
friend class base::RefCountedThreadSafe<RemoteSafeBrowsingDatabaseManager>;
DISALLOW_COPY_AND_ASSIGN(RemoteSafeBrowsingDatabaseManager);
}; // class RemoteSafeBrowsingDatabaseManager
} // namespace safe_browsing
#endif // COMPONENTS_SAFE_BROWSING_DB_REMOTE_DATABASE_MANAGER_H_
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