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// Copyright 2020 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "chrome/updater/policy/manager.h"
#include <optional>
#include <string>
#include <vector>
#include "base/memory/ref_counted.h"
#include "base/memory/scoped_refptr.h"
#include "base/time/time.h"
#include "chrome/updater/constants.h"
namespace updater {
bool UpdatesSuppressedTimes::valid() const {
return start_hour_ != kPolicyNotSet && start_minute_ != kPolicyNotSet &&
duration_minute_ != kPolicyNotSet;
}
bool UpdatesSuppressedTimes::contains(int hour, int minute) const {
int elapsed_minutes = (hour - start_hour_) * 60 + (minute - start_minute_);
if (elapsed_minutes >= 0 && elapsed_minutes < duration_minute_) {
// The given time is in the suppression period that started today.
// This can be off by up to an hour on the day of a DST transition.
return true;
}
if (elapsed_minutes < 0 && elapsed_minutes + 60 * 24 < duration_minute_) {
// The given time is in the suppression period that started yesterday.
// This can be off by up to an hour on the day after a DST transition.
return true;
}
return false;
}
// DefaultValuesPolicyManager returns the default values for policies when no
// other policy manager is present in the system.
class DefaultValuesPolicyManager : public PolicyManagerInterface {
public:
DefaultValuesPolicyManager();
DefaultValuesPolicyManager(const DefaultValuesPolicyManager&) = delete;
DefaultValuesPolicyManager& operator=(const DefaultValuesPolicyManager&) =
delete;
std::string source() const override;
bool HasActiveDevicePolicies() const override;
std::optional<bool> CloudPolicyOverridesPlatformPolicy() const override;
std::optional<base::TimeDelta> GetLastCheckPeriod() const override;
std::optional<UpdatesSuppressedTimes> GetUpdatesSuppressedTimes()
const override;
std::optional<std::string> GetDownloadPreference() const override;
std::optional<int> GetPackageCacheSizeLimitMBytes() const override;
std::optional<int> GetPackageCacheExpirationTimeDays() const override;
std::optional<int> GetEffectivePolicyForAppInstalls(
const std::string& app_id) const override;
std::optional<int> GetEffectivePolicyForAppUpdates(
const std::string& app_id) const override;
std::optional<std::string> GetTargetVersionPrefix(
const std::string& app_id) const override;
std::optional<bool> IsRollbackToTargetVersionAllowed(
const std::string& app_id) const override;
std::optional<int> GetMajorVersionRolloutPolicy(
const std::string& app_id) const override;
std::optional<int> GetMinorVersionRolloutPolicy(
const std::string& app_id) const override;
std::optional<std::string> GetProxyMode() const override;
std::optional<std::string> GetProxyPacUrl() const override;
std::optional<std::string> GetProxyServer() const override;
std::optional<std::string> GetTargetChannel(
const std::string& app_id) const override;
std::optional<std::vector<std::string>> GetForceInstallApps() const override;
std::optional<std::vector<std::string>> GetAppsWithPolicy() const override;
private:
~DefaultValuesPolicyManager() override;
};
DefaultValuesPolicyManager::DefaultValuesPolicyManager() = default;
DefaultValuesPolicyManager::~DefaultValuesPolicyManager() = default;
bool DefaultValuesPolicyManager::HasActiveDevicePolicies() const {
return true;
}
std::string DefaultValuesPolicyManager::source() const {
return kSourceDefaultValuesPolicyManager;
}
std::optional<bool>
DefaultValuesPolicyManager::CloudPolicyOverridesPlatformPolicy() const {
return std::nullopt;
}
std::optional<base::TimeDelta> DefaultValuesPolicyManager::GetLastCheckPeriod()
const {
return kDefaultLastCheckPeriod;
}
std::optional<UpdatesSuppressedTimes>
DefaultValuesPolicyManager::GetUpdatesSuppressedTimes() const {
return std::nullopt;
}
std::optional<std::string> DefaultValuesPolicyManager::GetDownloadPreference()
const {
return std::nullopt;
}
std::optional<int> DefaultValuesPolicyManager::GetPackageCacheSizeLimitMBytes()
const {
return std::nullopt;
}
std::optional<int>
DefaultValuesPolicyManager::GetPackageCacheExpirationTimeDays() const {
return std::nullopt;
}
std::optional<int> DefaultValuesPolicyManager::GetEffectivePolicyForAppInstalls(
const std::string& app_id) const {
return kInstallPolicyDefault;
}
std::optional<int> DefaultValuesPolicyManager::GetEffectivePolicyForAppUpdates(
const std::string& app_id) const {
return kUpdatePolicyDefault;
}
std::optional<std::string> DefaultValuesPolicyManager::GetTargetVersionPrefix(
const std::string& app_id) const {
return std::nullopt;
}
std::optional<bool>
DefaultValuesPolicyManager::IsRollbackToTargetVersionAllowed(
const std::string& app_id) const {
return false;
}
std::optional<int> DefaultValuesPolicyManager::GetMajorVersionRolloutPolicy(
const std::string& app_id) const {
return std::nullopt;
}
std::optional<int> DefaultValuesPolicyManager::GetMinorVersionRolloutPolicy(
const std::string& app_id) const {
return std::nullopt;
}
std::optional<std::string> DefaultValuesPolicyManager::GetProxyMode() const {
return std::nullopt;
}
std::optional<std::string> DefaultValuesPolicyManager::GetProxyPacUrl() const {
return std::nullopt;
}
std::optional<std::string> DefaultValuesPolicyManager::GetProxyServer() const {
return std::nullopt;
}
std::optional<std::string> DefaultValuesPolicyManager::GetTargetChannel(
const std::string& app_id) const {
return std::nullopt;
}
std::optional<std::vector<std::string>>
DefaultValuesPolicyManager::GetForceInstallApps() const {
return std::nullopt;
}
std::optional<std::vector<std::string>>
DefaultValuesPolicyManager::GetAppsWithPolicy() const {
return std::nullopt;
}
scoped_refptr<PolicyManagerInterface> GetDefaultValuesPolicyManager() {
return base::MakeRefCounted<DefaultValuesPolicyManager>();
}
} // namespace updater
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