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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 CHROME_BROWSER_SAFE_BROWSING_DOWNLOAD_PROTECTION_DOWNLOAD_PROTECTION_OBSERVER_H_
#define CHROME_BROWSER_SAFE_BROWSING_DOWNLOAD_PROTECTION_DOWNLOAD_PROTECTION_OBSERVER_H_
#include "base/scoped_multi_source_observation.h"
#include "chrome/browser/profiles/profile.h"
#include "chrome/browser/profiles/profile_manager_observer.h"
#include "chrome/browser/profiles/profile_observer.h"
#include "components/download/public/common/download_item.h"
#include "components/download/public/common/simple_download_manager_coordinator.h"
namespace safe_browsing {
// This class is responsible for observing download events and reporting them as
// appropriate. For save package scans, this also runs the correct callback when
// the user bypasses a scan.
class DownloadProtectionObserver
: public download::DownloadItem::Observer,
public download::SimpleDownloadManagerCoordinator::Observer,
public ProfileManagerObserver,
public ProfileObserver {
public:
DownloadProtectionObserver();
DownloadProtectionObserver(const DownloadProtectionObserver&) = delete;
DownloadProtectionObserver& operator=(const DownloadProtectionObserver&) =
delete;
~DownloadProtectionObserver() override;
// ProfileManagerObserver:
void OnProfileAdded(Profile* profile) override;
// ProfileObserver:
void OnOffTheRecordProfileCreated(Profile* off_the_record) override;
void OnProfileWillBeDestroyed(Profile* profile) override;
// SimpleDownloadManagerCoordinator::Observer:
void OnManagerGoingDown(
download::SimpleDownloadManagerCoordinator* coordinator) override;
void OnDownloadCreated(download::DownloadItem* download) override;
// DownloadItem::Observer:
void OnDownloadDestroyed(download::DownloadItem* download) override;
void OnDownloadUpdated(download::DownloadItem* download) override;
void OnDownloadRemoved(download::DownloadItem* download) override;
// Reports the bypass event for this download because it was opened before the
// verdict was available. |danger_type| is the danger type returned by the
// async scan.
void ReportDelayedBypassEvent(download::DownloadItem* download,
download::DownloadDangerType danger_type);
private:
base::flat_map<download::DownloadItem*, download::DownloadDangerType>
danger_types_;
base::ScopedMultiSourceObservation<Profile, ProfileObserver>
observed_profiles_{this};
base::ScopedMultiSourceObservation<
download::SimpleDownloadManagerCoordinator,
download::SimpleDownloadManagerCoordinator::Observer>
observed_coordinators_{this};
base::ScopedMultiSourceObservation<download::DownloadItem,
download::DownloadItem::Observer>
observed_downloads_{this};
void AddBypassEventToPref(download::DownloadItem* download);
void ReportAndRecordDangerousDownloadWarningBypassed(
download::DownloadItem* download,
download::DownloadDangerType danger_type);
};
} // namespace safe_browsing
#endif // CHROME_BROWSER_SAFE_BROWSING_DOWNLOAD_PROTECTION_DOWNLOAD_PROTECTION_OBSERVER_H_
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