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// Copyright 2016 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_COMPONENT_UPDATER_UPDATER_STATE_H_
#define CHROME_BROWSER_COMPONENT_UPDATER_UPDATER_STATE_H_
#include <memory>
#include <optional>
#include <string>
#include <string_view>
#include "base/containers/flat_map.h"
#include "base/gtest_prod_util.h"
#include "base/time/time.h"
#include "base/values.h"
#include "base/version.h"
#include "build/build_config.h"
#include "components/update_client/update_client_errors.h"
namespace component_updater {
class UpdaterState {
public:
using Attributes = base::flat_map<std::string, std::string>;
// Returns a map of items representing the state of an updater.
// If |is_machine| is true, this indicates that the updater state corresponds
// to the machine instance of the updater. Returns nullptr on
// the platforms and builds where this feature is not supported.
static Attributes GetState(bool is_machine);
~UpdaterState();
private:
FRIEND_TEST_ALL_PREFIXES(UpdaterStateTest, SerializeChromePerUser);
FRIEND_TEST_ALL_PREFIXES(UpdaterStateTest, SerializeChromium);
FRIEND_TEST_ALL_PREFIXES(UpdaterStateTest, UpdaterNamePerUser);
struct State {
State();
State(const State&);
State& operator=(const State&);
~State();
std::string updater_name;
base::Version updater_version;
base::Time last_autoupdate_started;
base::Time last_checked;
bool is_autoupdate_check_enabled = false;
int update_policy = 0;
update_client::CategorizedError last_update_check_error = {};
};
class StateReader {
public:
static std::unique_ptr<StateReader> Create(bool is_machine);
// Returns the state of the Chrome updater.
State Read(bool is_machine) const;
virtual ~StateReader() = default;
private:
virtual std::string GetUpdaterName() const = 0;
virtual base::Version GetUpdaterVersion(bool is_machine) const = 0;
virtual bool IsAutoupdateCheckEnabled() const = 0;
virtual base::Time GetUpdaterLastStartedAU(bool is_machine) const = 0;
virtual base::Time GetUpdaterLastChecked(bool is_machine) const = 0;
virtual int GetUpdatePolicy() const = 0;
virtual update_client::CategorizedError GetLastUpdateCheckError() const = 0;
};
#if BUILDFLAG(IS_MAC)
class StateReaderKeystone final : public StateReader {
private:
// Overrides for StateReader.
std::string GetUpdaterName() const override;
base::Version GetUpdaterVersion(bool is_machine) const override;
bool IsAutoupdateCheckEnabled() const override;
base::Time GetUpdaterLastStartedAU(bool is_machine) const override;
base::Time GetUpdaterLastChecked(bool is_machine) const override;
int GetUpdatePolicy() const override;
update_client::CategorizedError GetLastUpdateCheckError() const override;
};
#elif BUILDFLAG(IS_WIN)
class StateReaderOmaha final : public StateReader {
private:
// Overrides for StateReader.
std::string GetUpdaterName() const override;
base::Version GetUpdaterVersion(bool is_machine) const override;
bool IsAutoupdateCheckEnabled() const override;
base::Time GetUpdaterLastStartedAU(bool is_machine) const override;
base::Time GetUpdaterLastChecked(bool is_machine) const override;
int GetUpdatePolicy() const override;
update_client::CategorizedError GetLastUpdateCheckError() const override;
};
#endif
class StateReaderChromiumUpdater final : public StateReader {
public:
explicit StateReaderChromiumUpdater(base::Value::Dict parsed_json);
private:
// Overrides for StateReader.
std::string GetUpdaterName() const override;
base::Version GetUpdaterVersion(bool is_machine) const override;
bool IsAutoupdateCheckEnabled() const override;
base::Time GetUpdaterLastStartedAU(bool is_machine) const override;
base::Time GetUpdaterLastChecked(bool is_machine) const override;
int GetUpdatePolicy() const override;
update_client::CategorizedError GetLastUpdateCheckError() const override;
base::Time FindTimeKey(std::string_view key) const;
const base::Value::Dict parsed_json_;
};
explicit UpdaterState(bool is_machine);
// Builds the map of state attributes by serializing the state of this object.
Attributes Serialize() const;
static std::optional<State> ReadState(bool is_machine);
static std::string GetUpdaterName();
static base::Version GetUpdaterVersion(bool is_machine);
static bool IsAutoupdateCheckEnabled();
static base::Time GetUpdaterLastStartedAU(bool is_machine);
static base::Time GetUpdaterLastChecked(bool is_machine);
static int GetUpdatePolicy();
static std::string NormalizeTimeDelta(base::TimeDelta delta);
// True if the updater is installed per-machine.
bool is_machine_ = false;
std::optional<State> state_;
};
} // namespace component_updater
#endif // CHROME_BROWSER_COMPONENT_UPDATER_UPDATER_STATE_H_
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