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// Copyright 2013 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_POLICY_CORE_BROWSER_POLICY_CONVERSIONS_H_
#define COMPONENTS_POLICY_CORE_BROWSER_POLICY_CONVERSIONS_H_
#include <memory>
#include <string>
#include "base/containers/flat_map.h"
#include "base/values.h"
#include "build/branding_buildflags.h"
#include "build/build_config.h"
#include "components/policy/core/common/policy_map.h"
#include "components/policy/core/common/policy_namespace.h"
#include "components/policy/core/common/policy_types.h"
#include "components/policy/core/common/schema.h"
#include "components/policy/policy_export.h"
#include "extensions/buildflags/buildflags.h"
#include "ui/base/webui/web_ui_util.h"
namespace policy {
class PolicyConversionsClient;
extern const POLICY_EXPORT webui::LocalizedString
kPolicySources[POLICY_SOURCE_COUNT];
extern const POLICY_EXPORT char kIdKey[];
extern const POLICY_EXPORT char kNameKey[];
extern const POLICY_EXPORT char kPoliciesKey[];
extern const POLICY_EXPORT char kPolicyNamesKey[];
extern const POLICY_EXPORT char kChromePoliciesId[];
extern const POLICY_EXPORT char kChromePoliciesName[];
#if !BUILDFLAG(IS_CHROMEOS)
extern const POLICY_EXPORT char kPrecedencePoliciesId[];
extern const POLICY_EXPORT char kPrecedencePoliciesName[];
#endif // !BUILDFLAG(IS_CHROMEOS)
// A convenience class to retrieve all policies values.
// Usage example:
// PolicyConversions
// .EnableConvertTypes(false) // Using enable* functions to turn on/off
// .EnableConvertValues(false) // some features. All enable* functions are
// .EnableConvertValues(true) // optional.
// .UseChromePolicyConversions() // Choose different delegate if needed.
// .ToValueDict(); // Choose the data format in the end.
class POLICY_EXPORT PolicyConversions {
public:
// Maps known policy names to their schema. If a policy is not present, it is
// not known (either through policy_templates.json or through an extension's
// managed storage schema).
using PolicyToSchemaMap = base::flat_map<std::string, Schema>;
// Delegate class that controls the structure and content of the output.
class Delegate {
public:
explicit Delegate(PolicyConversionsClient* client);
Delegate(const Delegate&) = delete;
Delegate& operator=(const Delegate&) = delete;
virtual ~Delegate();
virtual base::Value::Dict ToValueDict() = 0;
protected:
PolicyConversionsClient* client() { return client_; }
private:
raw_ptr<PolicyConversionsClient> client_;
};
// |client| provides embedder-specific policy information and must not be
// nullptr.
explicit PolicyConversions(std::unique_ptr<PolicyConversionsClient> client);
PolicyConversions(const PolicyConversions&) = delete;
PolicyConversions& operator=(const PolicyConversions&) = delete;
virtual ~PolicyConversions();
// Set to get policy types as human friendly string instead of enum integer.
// Policy types includes policy source, policy scope and policy level.
// Enabled by default.
PolicyConversions& EnableConvertTypes(bool enabled);
// Set to get dictionary policy value as JSON string.
// Disabled by default.
PolicyConversions& EnableConvertValues(bool enabled);
// Set to get device local account policies on ChromeOS.
// Disabled by default.
PolicyConversions& EnableDeviceLocalAccountPolicies(bool enabled);
// Set to get device basic information on ChromeOS.
// Disabled by default.
PolicyConversions& EnableDeviceInfo(bool enabled);
// Set to enable pretty print for all JSON string.
// Enabled by default.
PolicyConversions& EnablePrettyPrint(bool enabled);
// Set to get all user scope policies.
// Enabled by default.
PolicyConversions& EnableUserPolicies(bool enabled);
// Set to drop the policies of which value is a default one set by the policy
// provider. Disabled by default.
PolicyConversions& SetDropDefaultValues(bool enabled);
// Set to show policy values set by machine scope sources including CBCM or
// GPO. When set to false, policies are still included, but values and errors
// will be hidden. Used when caller don't have permission to view those
// values. Enabled by default.
PolicyConversions& EnableShowMachineValues(bool enabled);
// Switch to Chrome policy conversion to get Chrome policies.
// Chrome policy conversion can't be used to return device local account
// policies and device info.
PolicyConversions& UseChromePolicyConversions();
// Returns the policy data as a JSON string;
std::string ToJSON();
base::Value::Dict ToValueDict();
private:
std::unique_ptr<PolicyConversionsClient> client_;
std::unique_ptr<Delegate> delegate_;
};
// Used to export all policies.
class POLICY_EXPORT DefaultPolicyConversions
: public PolicyConversions::Delegate {
public:
explicit DefaultPolicyConversions(PolicyConversionsClient* client);
DefaultPolicyConversions(const DefaultPolicyConversions&) = delete;
DefaultPolicyConversions& operator=(const DefaultPolicyConversions&) = delete;
~DefaultPolicyConversions() override;
base::Value::Dict ToValueDict() override;
private:
#if BUILDFLAG(ENABLE_EXTENSIONS)
base::Value::Dict GetExtensionPolicies();
base::Value::Dict GetExtensionPolicies(PolicyDomain policy_domain);
#endif // BUILDFLAG(ENABLE_EXTENSIONS)
#if BUILDFLAG(IS_CHROMEOS)
base::Value::Dict GetDeviceLocalAccountPolicies();
#endif
};
// Used to export all Chrome policies. It also splits precedence
// policies into a different section.
class POLICY_EXPORT ChromePolicyConversions
: public PolicyConversions::Delegate {
public:
explicit ChromePolicyConversions(PolicyConversionsClient* client);
ChromePolicyConversions(const ChromePolicyConversions&) = delete;
ChromePolicyConversions& operator=(const ChromePolicyConversions&) = delete;
~ChromePolicyConversions() override;
base::Value::Dict ToValueDict() override;
private:
base::Value::Dict GetChromePolicies();
#if !BUILDFLAG(IS_CHROMEOS)
base::Value::Dict GetPrecedencePolicies();
#endif // !BUILDFLAG(IS_CHROMEOS)
};
} // namespace policy
#endif // COMPONENTS_POLICY_CORE_BROWSER_POLICY_CONVERSIONS_H_
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