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// Copyright 2023 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_SUPERVISED_USER_TEST_SUPPORT_FAMILY_LINK_SETTINGS_STATE_MANAGEMENT_H_
#define COMPONENTS_SUPERVISED_USER_TEST_SUPPORT_FAMILY_LINK_SETTINGS_STATE_MANAGEMENT_H_
#include <memory>
#include <optional>
#include <string>
#include <string_view>
#include <vector>
#include "base/functional/callback_forward.h"
#include "base/location.h"
#include "base/run_loop.h"
#include "base/test/bind.h"
#include "base/time/time.h"
#include "base/types/strong_alias.h"
#include "components/content_settings/core/browser/host_content_settings_map.h"
#include "components/prefs/pref_service.h"
#include "components/supervised_user/core/browser/fetcher_config.h"
#include "components/supervised_user/core/browser/proto/kidsmanagement_messages.pb.h"
#include "components/supervised_user/core/browser/proto_fetcher.h"
#include "components/supervised_user/core/browser/supervised_user_service.h"
#include "components/supervised_user/core/browser/supervised_user_service_observer.h"
#include "components/supervised_user/core/browser/supervised_user_url_filter.h"
namespace supervised_user {
// State of a Family Link toggle.
enum class FamilyLinkToggleState : bool {
kEnabled = true,
kDisabled = false,
};
// Toggles provided in the FL Advanced Settings parental controls.
enum class FamilyLinkToggleType : int {
kPermissionsToggle = 0,
kExtensionsToggle = 1,
kCookiesToggle = 2
};
// Configured Family Link toggle.
struct FamilyLinkToggleConfiguration {
const FamilyLinkToggleType type;
const FamilyLinkToggleState state;
};
// Utility that can seed (request) the Family Link state, and check if the
// browser's Family Link settings are in that state. Under the hood, seeding is
// done by sending an RPC to Google backend that modifies the internal sync
// state, and the change is propagated via sync service.
class FamilyLinkSettingsState {
public:
// Groups services that might be used to verify if seeding is successful.
struct Services {
Services(const SupervisedUserService& supervised_user_service,
const PrefService& pref_service,
const HostContentSettingsMap& host_content_settings_map);
raw_ref<const SupervisedUserService> supervised_user_service;
raw_ref<const PrefService> pref_service;
raw_ref<const HostContentSettingsMap> host_content_settings_map;
};
// Represents intended state of the supervised user service to achieve.
// It both knows what request to send to get to that state (::GetRequest()),
// and how to check whether the service is in that state
// (::Check()).
class Intent {
public:
virtual ~Intent() = 0;
// This intent represented as serialized proto request.
virtual std::string GetRequest() const = 0;
// Configuration for RPC call for this intent.
virtual const FetcherConfig& GetConfig() const = 0;
// Textual representation of this intent for debugging purposes.
virtual std::string ToString() const = 0;
// Function that checks if the `browser_user`'s Family Link setting is in
// the intended state.
virtual bool Check(const Services& services) const = 0;
};
// Resets the state to defaults.
class ResetIntent : public Intent {
public:
~ResetIntent() override;
// Intent
std::string GetRequest() const override;
const FetcherConfig& GetConfig() const override;
std::string ToString() const override;
bool Check(const Services& services) const override;
};
// Defines safe sites configuration.
class DefineManualSiteListIntent : public Intent {
public:
using AllowUrl = base::StrongAlias<class AllowUrlTag, GURL>;
using BlockUrl = base::StrongAlias<class BlockUrlTag, GURL>;
DefineManualSiteListIntent();
explicit DefineManualSiteListIntent(AllowUrl url);
explicit DefineManualSiteListIntent(BlockUrl url);
~DefineManualSiteListIntent() override;
// Intent
std::string GetRequest() const override;
const FetcherConfig& GetConfig() const override;
std::string ToString() const override;
bool Check(const Services& services) const override;
private:
std::optional<GURL> allowed_url_;
std::optional<GURL> blocked_url_;
};
// Defines configuration for a list of given boolean toggles.
class ToggleIntent : public Intent {
public:
explicit ToggleIntent(std::list<FamilyLinkToggleConfiguration> toggle_list);
~ToggleIntent() override;
// Intent implementation:
std::string GetRequest() const override;
const FetcherConfig& GetConfig() const override;
std::string ToString() const override;
bool Check(const Services& services) const override;
private:
std::list<FamilyLinkToggleConfiguration> toggle_list_;
};
// TODO(370932512): Make this constructor private. Use static constructors
// instead.
explicit FamilyLinkSettingsState(std::unique_ptr<Intent> intent);
// Use those static constructors to request state as indicated by name.
// LINT.IfChange
// Clears url filter lists and filter settings to server-side defaults. After
// issuing, url filter lists are empty. FilteringLevel is unset.
static FamilyLinkSettingsState Reset();
// After issuing, FilteringLevel is set to SAFE_SITES
static FamilyLinkSettingsState EnableSafeSites();
// After issuing, FilteringLevel is set to SAFE_SITES and gurl is added to
// allow list of filtered urls.
static FamilyLinkSettingsState AllowSite(const GURL& gurl);
// After issuing, FilteringLevel is set to SAFE_SITES and gurl is added to
// block list of filtered urls.
static FamilyLinkSettingsState BlockSite(const GURL& gurl);
// Sets the Advanced Setting toggles (Permissions, Extensions, Cookies) to
// their default values.
static FamilyLinkSettingsState SetAdvancedSettingsDefault();
// LINT.ThenChange(/ios/chrome/browser/settings/ui_bundled/supervised_user_family_link_app_interface.mm)
// After issuing, Permissions, Extensions and Cookies toggles are set to the
// given values, if such a value is provided on the input list.
static FamilyLinkSettingsState AdvancedSettingsToggles(
std::list<FamilyLinkToggleConfiguration> toggle_list);
~FamilyLinkSettingsState();
// Tests whether the browser's Family Link settings are in the intended state.
// The state is checked for `member`'s browser, which typically should be the
// child.
bool Check(const Services& services) const;
#if !BUILDFLAG(IS_IOS)
// Seeds the `target_state_` by issuing a RPC.
// `caller_identity_manager` and `caller_url_loader_factory` are associated
// with the browser making the rpc call. They might origin from the parent's
// browser directly, or a child browser impersonating the parent for testing
// purposes. `subject_account_id` is the account id of the user that will have
// their settings changed, typically the child.
// This method will return once the fetch is completed.
void Seed(
signin::IdentityManager& caller_identity_manager,
scoped_refptr<network::SharedURLLoaderFactory> caller_url_loader_factory,
std::string_view subject_account_id) const;
#endif
#if BUILDFLAG(IS_IOS)
// Seeds the `target_state_` by issuing a RPC, similar to `Seed()`.
// This method returns immediately, but fetching continues as long as the
// FamilyLinkSettingsState is alive.
void StartSeeding(
signin::IdentityManager& caller_identity_manager,
scoped_refptr<network::SharedURLLoaderFactory> caller_url_loader_factory,
std::string_view subject_account_id);
#endif // BUILDFLAG(IS_IOS)
// Textual representation of this instance (for logging).
std::string ToString() const;
private:
std::unique_ptr<const Intent> intent_;
#if BUILDFLAG(IS_IOS)
// ProtoFetcher used for StartSeeding().
std::unique_ptr<ProtoFetcher<std::string>> fetcher_;
#endif // BUILDFLAG(IS_IOS)
};
} // namespace supervised_user
#endif // COMPONENTS_SUPERVISED_USER_TEST_SUPPORT_FAMILY_LINK_SETTINGS_STATE_MANAGEMENT_H_
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