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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 CHROMEOS_ASH_COMPONENTS_QUICK_START_QUICK_START_MESSAGE_H_
#define CHROMEOS_ASH_COMPONENTS_QUICK_START_QUICK_START_MESSAGE_H_
#include <string>
#include "base/types/expected.h"
#include "base/values.h"
#include "chromeos/ash/components/quick_start/quick_start_message_type.h"
namespace ash::quick_start {
// Wraps a QuickStartMessage, which is a JSON object with payload which
// represents either a request or a response. This class collects common logic
// used by both request builders and parsers.
class QuickStartMessage {
public:
enum class ReadError {
INVALID_JSON,
MISSING_MESSAGE_PAYLOAD,
BASE64_DESERIALIZATION_FAILURE,
UNEXPECTED_MESSAGE_TYPE,
};
using ReadResult =
base::expected<std::unique_ptr<QuickStartMessage>, ReadError>;
explicit QuickStartMessage(QuickStartMessageType message_type);
QuickStartMessage(QuickStartMessageType message_type,
base::Value::Dict payload);
QuickStartMessage(QuickStartMessage&) = delete;
QuickStartMessage& operator=(QuickStartMessage&) = delete;
~QuickStartMessage();
base::Value::Dict* GetPayload();
QuickStartMessageType get_type() { return message_type_; }
std::unique_ptr<base::Value::Dict> GenerateEncodedMessage();
// Read a message from raw data.
// NOTE: This function must be called in a process isolated from the
// browser process - it will fail otherwise.
static base::expected<std::unique_ptr<QuickStartMessage>,
QuickStartMessage::ReadError>
ReadMessage(std::vector<uint8_t> data);
static base::expected<std::unique_ptr<QuickStartMessage>,
QuickStartMessage::ReadError>
ReadMessage(std::vector<uint8_t> data, QuickStartMessageType message_type);
static void DisableSandboxCheckForTesting();
private:
// enables checks for ReadMessage which force the function to only run in a
// sandbox
static bool enable_sandbox_checks_;
QuickStartMessageType message_type_;
base::Value::Dict payload_;
};
} // namespace ash::quick_start
#endif // CHROMEOS_ASH_COMPONENTS_QUICK_START_QUICK_START_MESSAGE_H_
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