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// Copyright 2022 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_UI_SAFETY_HUB_REVOKED_PERMISSIONS_SERVICE_H_
#define CHROME_BROWSER_UI_SAFETY_HUB_REVOKED_PERMISSIONS_SERVICE_H_
#include "base/functional/callback_forward.h"
#include "base/memory/raw_ptr.h"
#include "base/memory/weak_ptr.h"
#include "base/scoped_observation.h"
#include "base/time/clock.h"
#include "base/time/time.h"
#include "chrome/browser/content_settings/host_content_settings_map_factory.h"
#include "chrome/browser/ui/safety_hub/abusive_notification_permissions_manager.h"
#include "chrome/browser/ui/safety_hub/disruptive_notification_permissions_manager.h"
#include "chrome/browser/ui/safety_hub/revoked_permissions_result.h"
#include "chrome/browser/ui/safety_hub/safety_hub_result.h"
#include "chrome/browser/ui/safety_hub/safety_hub_service.h"
#include "chrome/browser/ui/safety_hub/unused_site_permissions_manager.h"
#include "components/content_settings/core/browser/content_settings_observer.h"
#include "components/content_settings/core/browser/host_content_settings_map.h"
#include "components/content_settings/core/common/content_settings_pattern.h"
#include "components/content_settings/core/common/content_settings_types.h"
#include "content/public/browser/browser_context.h"
#include "content/public/browser/web_contents_observer.h"
#include "content/public/browser/web_contents_user_data.h"
class PrefChangeRegistrar;
class PrefService;
namespace url {
class Origin;
}
namespace content {
class Page;
} // namespace content
// This class keeps track of revoked permissions, including unused permissions,
// abusive and disruptive notifications. For unused permissions, it updates
// their last_visit date on navigations and clears them periodically.
class RevokedPermissionsService final : public SafetyHubService,
public content_settings::Observer {
public:
class TabHelper : public content::WebContentsObserver,
public content::WebContentsUserData<TabHelper> {
public:
TabHelper(const TabHelper&) = delete;
TabHelper& operator=(const TabHelper&) = delete;
~TabHelper() override;
// WebContentsObserver:
void PrimaryPageChanged(content::Page& page) override;
private:
explicit TabHelper(
content::WebContents* web_contents,
RevokedPermissionsService* unused_site_permission_service);
base::WeakPtr<RevokedPermissionsService> unused_site_permission_service_;
friend class content::WebContentsUserData<TabHelper>;
WEB_CONTENTS_USER_DATA_KEY_DECL();
};
explicit RevokedPermissionsService(content::BrowserContext* browser_context,
PrefService* prefs);
RevokedPermissionsService(const RevokedPermissionsService&) = delete;
RevokedPermissionsService& operator=(const RevokedPermissionsService&) =
delete;
~RevokedPermissionsService() override;
// content_settings::Observer implementation.
void OnContentSettingChanged(
const ContentSettingsPattern& primary_pattern,
const ContentSettingsPattern& secondary_pattern,
ContentSettingsTypeSet content_type_set) override;
// KeyedService implementation.
void Shutdown() override;
// Re-grants permissions that are auto-revoked ones and removes the origin
// from revoked permissions list.
void RegrantPermissionsForOrigin(const url::Origin& origin);
// Reverse changes made by |RegrantPermissionsForOrigin|. Adds this origin to
// the removed permissions list and resets its permissions.
void UndoRegrantPermissionsForOrigin(const PermissionsData& permission);
// Clear the list of revoked permissions so they will no longer be shown to
// the user. Does not change permissions themselves.
void ClearRevokedPermissionsList();
// Restores the list of revoked permissions after it was deleted after user
// has accepted the revocation (via `ClearRevokedPermissionsList()`).
void RestoreDeletedRevokedPermissionsList(
const std::vector<PermissionsData>& permissions_data_list);
// Returns the list of all permissions that have been revoked.
std::unique_ptr<RevokedPermissionsResult> GetRevokedPermissions();
// Stops or restarts permissions autorevocation upon the pref change.
void OnPermissionsAutorevocationControlChanged();
// SafetyHubService implementation
// Returns a weak pointer to the service.
base::WeakPtr<SafetyHubService> GetAsWeakRef() override;
// TabHelper needs a weak pointer to the implementation type.
base::WeakPtr<RevokedPermissionsService> AsWeakPtr() {
return weak_factory_.GetWeakPtr();
}
// Test support:
void SetClockForTesting(base::Clock* clock);
std::vector<ContentSettingEntry> GetTrackedUnusedPermissionsForTesting();
private:
// Called by TabHelper when a URL was visited.
void OnPageVisited(const url::Origin& origin);
HostContentSettingsMap* hcsm() {
return HostContentSettingsMapFactory::GetForProfile(browser_context_.get());
}
void MaybeStartRepeatedUpdates();
// SafetyHubService implementation
std::unique_ptr<SafetyHubResult> InitializeLatestResultImpl() override;
// Returns the interval at which the repeated updates will be run.
base::TimeDelta GetRepeatedUpdateInterval() override;
// Returns a reference to the static |UpdateOnBackgroundThread| function,
// bound with a |SafetyHubResult| containing a reference to the clock and
// host content settings map.
base::OnceCallback<std::unique_ptr<SafetyHubResult>()> GetBackgroundTask()
override;
// Revokes permissions for all managers and returns the list of revoked
// permissions.
std::unique_ptr<SafetyHubResult> UpdateOnUIThread(
std::unique_ptr<SafetyHubResult> result) override;
// Returns if the permissions auto-revocation is enabled for unused sites.
bool IsUnusedSiteAutoRevocationEnabled();
// Returns true if all features are enabled to automatically revoke abusive
// notification permissions.
bool IsAbusiveNotificationAutoRevocationEnabled();
raw_ptr<content::BrowserContext> browser_context_;
// Observer to watch for content settings changed.
base::ScopedObservation<HostContentSettingsMap, content_settings::Observer>
content_settings_observation_{this};
// Observes user profile prefs.
std::unique_ptr<PrefChangeRegistrar> pref_change_registrar_;
raw_ptr<base::Clock> clock_;
// Object for managing Safe Browsing blocklist checks and notification
// revocation for abusive sites.
std::unique_ptr<AbusiveNotificationPermissionsManager>
abusive_notification_manager_;
// Object for notification revocation for disruptive sites.
std::unique_ptr<DisruptiveNotificationPermissionsManager>
disruptive_notification_manager_;
// Object for unused site permissions revocation.
std::unique_ptr<UnusedSitePermissionsManager>
unused_site_permissions_manager_;
base::WeakPtrFactory<RevokedPermissionsService> weak_factory_{this};
};
#endif // CHROME_BROWSER_UI_SAFETY_HUB_REVOKED_PERMISSIONS_SERVICE_H_
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